com.android.systemui.statusbar.phone.NotificationPanelView.java Source code

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Here is the source code for com.android.systemui.statusbar.phone.NotificationPanelView.java

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/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.systemui.statusbar.phone;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.animation.ValueAnimator;
import android.app.ActivityManager;
import android.app.StatusBarManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.SystemProperties;
import android.provider.Settings;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.AttributeSet;
import android.util.Log;
import android.util.MathUtils;
import android.view.MotionEvent;
import android.view.VelocityTracker;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.WindowInsets;
import android.view.accessibility.AccessibilityEvent;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.view.animation.PathInterpolator;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;

import com.android.internal.logging.MetricsLogger;
import com.android.keyguard.KeyguardStatusView;
import com.android.systemui.DejankUtils;
import com.android.systemui.EventLogConstants;
import com.android.systemui.EventLogTags;
import com.android.systemui.R;
import com.android.systemui.qs.QSContainer;
import com.android.systemui.qs.QSPanel;
import com.android.systemui.qs.QSPanel.UpdateIndicator;
import com.android.systemui.statusbar.ExpandableNotificationRow;
import com.android.systemui.statusbar.ExpandableView;
import com.android.systemui.statusbar.FlingAnimationUtils;
import com.android.systemui.statusbar.GestureRecorder;
import com.android.systemui.statusbar.KeyguardAffordanceView;
import com.android.systemui.statusbar.NotificationData;
import com.android.systemui.statusbar.StatusBarState;
import com.android.systemui.statusbar.policy.HeadsUpManager;
import com.android.systemui.statusbar.policy.KeyguardUserSwitcher;
import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
import com.android.systemui.statusbar.stack.StackStateAnimator;
import com.qucii.systemui.statusbar.phone.CirclePageIndicator;
import com.qucii.systemui.statusbar.phone.NotificationPagerAdapter;
import com.qucii.systemui.statusbar.phone.NotificationsViewPager;

import java.util.List;

public class NotificationPanelView extends PanelView
        implements ExpandableView.OnHeightChangedListener, ObservableScrollView.Listener, View.OnClickListener,
        NotificationStackScrollLayout.OnOverscrollTopChangedListener, KeyguardAffordanceHelper.Callback,
        NotificationStackScrollLayout.OnEmptySpaceClickListener, HeadsUpManager.OnHeadsUpChangedListener,
        OnPageChangeListener, UpdateIndicator {

    private static final boolean DEBUG = false; //mare modify
    public static final String TAG = NotificationPanelView.class.getSimpleName();
    public static final boolean QUCII_DISABLE_QS_PANNEL = true; //mare add
    // Cap and total height of Roboto font. Needs to be adjusted when font for the big clock is
    // changed.
    private static final int CAP_HEIGHT = 1456;
    private static final int FONT_HEIGHT = 2163;

    private static final float HEADER_RUBBERBAND_FACTOR = 2.05f;
    private static final float LOCK_ICON_ACTIVE_SCALE = 1.2f;

    private static final String COUNTER_PANEL_OPEN = "panel_open";
    private static final String COUNTER_PANEL_OPEN_QS = "panel_open_qs";
    private static final String COUNTER_PANEL_OPEN_PEEK = "panel_open_peek";

    private static final Rect mDummyDirtyRect = new Rect(0, 0, 1, 1);

    public static final long DOZE_ANIMATION_DURATION = 700;

    private KeyguardAffordanceHelper mAfforanceHelper;
    private StatusBarHeaderView mHeader;
    private KeyguardUserSwitcher mKeyguardUserSwitcher;
    private KeyguardStatusBarView mKeyguardStatusBar;
    private QSContainer mQsContainer, mQsContainer_Qucii;
    private QSPanel mQsPanel, mQsPanel_Qucii;
    private KeyguardStatusView mKeyguardStatusView;
    private ObservableScrollView mScrollView;
    private TextView mClockView;
    private View mReserveNotificationSpace;
    private View mQsNavbarScrim;
    private NotificationsQuickSettingsContainer mNotificationContainerParent;
    private NotificationStackScrollLayout mNotificationStackScroller;
    private int mNotificationTopPadding;
    private boolean mAnimateNextTopPaddingChange;

    private int mTrackingPointer;
    private VelocityTracker mVelocityTracker;
    private boolean mQsTracking;

    /**
     * If set, the ongoing touch gesture might both trigger the expansion in {@link PanelView} and
     * the expansion for quick settings.
     */
    private boolean mConflictingQsExpansionGesture;

    /**
     * Whether we are currently handling a motion gesture in #onInterceptTouchEvent, but haven't
     * intercepted yet.
     */
    private boolean mIntercepting;
    private boolean mPanelExpanded;
    private boolean mQsExpanded;
    private boolean mQsExpandedWhenExpandingStarted;
    private boolean mQsFullyExpanded;
    private boolean mKeyguardShowing;
    private boolean mDozing;
    private boolean mDozingOnDown;
    public int mStatusBarState;
    private float mInitialHeightOnTouch;
    private float mInitialTouchX;
    private float mInitialTouchY;
    private float mLastTouchX;
    private float mLastTouchY;
    private float mQsExpansionHeight;
    private int mQsMinExpansionHeight;
    private int mQsMaxExpansionHeight;
    private int mQsPeekHeight;
    private boolean mStackScrollerOverscrolling;
    private boolean mQsExpansionFromOverscroll;
    private float mLastOverscroll;
    //modify by mare ?false?QS
    private boolean mQsExpansionEnabled = false;
    private ValueAnimator mQsExpansionAnimator;
    private FlingAnimationUtils mFlingAnimationUtils;
    private int mStatusBarMinHeight;
    private boolean mUnlockIconActive;
    private int mNotificationsHeaderCollideDistance;
    private int mUnlockMoveDistance;
    private float mEmptyDragAmount;

    private Interpolator mFastOutSlowInInterpolator;
    private Interpolator mFastOutLinearInterpolator;
    private Interpolator mDozeAnimationInterpolator;
    private ObjectAnimator mClockAnimator;
    private int mClockAnimationTarget = -1;
    private int mTopPaddingAdjustment;
    private KeyguardClockPositionAlgorithm mClockPositionAlgorithm = new KeyguardClockPositionAlgorithm();
    private KeyguardClockPositionAlgorithm.Result mClockPositionResult = new KeyguardClockPositionAlgorithm.Result();
    private boolean mIsExpanding;

    private boolean mBlockTouches;
    private int mNotificationScrimWaitDistance;
    // Used for two finger gesture as well as accessibility shortcut to QS.
    private boolean mQsExpandImmediate;
    private boolean mTwoFingerQsExpandPossible;

    /**
     * If we are in a panel collapsing motion, we reset scrollY of our scroll view but still
     * need to take this into account in our panel height calculation.
     */
    private int mScrollYOverride = -1;
    private boolean mQsAnimatorExpand;
    private boolean mIsLaunchTransitionFinished;
    private boolean mIsLaunchTransitionRunning;
    private Runnable mLaunchAnimationEndRunnable;
    private boolean mOnlyAffordanceInThisMotion;
    private boolean mKeyguardStatusViewAnimating;
    private boolean mHeaderAnimating;
    private ObjectAnimator mQsContainerAnimator;
    private ValueAnimator mQsSizeChangeAnimator;

    private boolean mShadeEmpty;

    private boolean mQsScrimEnabled = true;
    private boolean mLastAnnouncementWasQuickSettings;
    private boolean mQsTouchAboveFalsingThreshold;
    private int mQsFalsingThreshold;

    private float mKeyguardStatusBarAnimateAlpha = 1f;
    private int mOldLayoutDirection;
    private HeadsUpTouchHelper mHeadsUpTouchHelper;
    private boolean mIsExpansionFromHeadsUp;
    private boolean mListenForHeadsUp;
    private int mNavigationBarBottomHeight;

    protected View mArrow;
    protected View mArrowLayout;
    protected CirclePageIndicator mIndicator;// added by yangfan 

    private boolean mCollapsedOnDown;
    private int mPositionMinSideMargin;
    private int mLastOrientation = -1;
    private boolean mClosingWithAlphaFadeOut;
    private boolean mHeadsUpAnimatingAway;
    private boolean mLaunchingAffordance;
    private NotificationsViewPager mNotificationsViewPager;
    private String mLastCameraLaunchSource = KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_AFFORDANCE;
    public static final int NOTIFICATION_PAGE_INDEX = 0;
    public static final int QUICKSETTINGS_PAGE_INDEX = 1;
    private int mCurPage = NOTIFICATION_PAGE_INDEX;
    //added by dongwei-17-2-17,add function of double click to go to sleep {start
    private final String ACTION_DOUBLE_CLICK_GOTOSLEEP = "com.qucii.gotosleep";
    private long mFirstClickTime = 0;
    private long mSecondClickTime = 0;
    //added by dongwei end}

    private int mBarSize;
    private Runnable mHeadsUpExistenceChangedRunnable = new Runnable() {
        @Override
        public void run() {
            mHeadsUpAnimatingAway = false;
            notifyBarPanelExpansionChanged();
        }
    };

    /** Interpolator to be used for animations that respond directly to a touch */
    private final Interpolator mTouchResponseInterpolator = new PathInterpolator(0.3f, 0f, 0.1f, 1f);

    public NotificationPanelView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setWillNotDraw(!DEBUG);
    }

    public NotificationStackScrollLayout getNotificationStackScrollLayout() {
        return mNotificationStackScroller;
    }

    public ObservableScrollView getObservableScrollView() {
        return mScrollView;
    }

    public void setStatusBar(PhoneStatusBar bar) {
        mStatusBar = bar;
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
        mHeader = (StatusBarHeaderView) findViewById(R.id.header);
        mHeader.setOnClickListener(this);
        mKeyguardStatusView = (KeyguardStatusView) findViewById(R.id.keyguard_status_view);
        mNotificationContainerParent = (NotificationsQuickSettingsContainer) findViewById(
                R.id.notification_container_parent);
        mKeyguardStatusBar = (KeyguardStatusBarView) mNotificationContainerParent
                .findViewById(R.id.keyguard_header);
        mClockView = (TextView) findViewById(R.id.clock_view);

        mNotificationsViewPager = (NotificationsViewPager) mNotificationContainerParent
                .findViewById(R.id.notification_viewpager);
        NotificationPagerAdapter mAdapter = (NotificationPagerAdapter) mNotificationsViewPager.getAdapter();
        mIndicator = (CirclePageIndicator) findViewById(R.id.qucii_indicator);
        mArrow = findViewById(R.id.qucii_arrow);
        mArrowLayout = findViewById(R.id.qucii_arrow_layout);
        mIndicator.setViewPager(mNotificationsViewPager);
        mIndicator.setOnPageChangeListener(this);
        mNotificationsViewPager.setPanelView(this);
        List<View> views = mAdapter.getViews();
        mNotificationStackScroller = (NotificationStackScrollLayout) views.get(0);
        mScrollView = (ObservableScrollView) views.get(1);
        mScrollView.setNotificationPanelView(this);
        mQsContainer = (QSContainer) mScrollView.findViewById(R.id.quick_settings_container);
        mQsContainer_Qucii = (QSContainer) mScrollView.findViewById(R.id.qucii_quick_settings_container);

        mQsPanel = (QSPanel) mScrollView.findViewById(R.id.quick_settings_panel);
        mQsPanel_Qucii = (QSPanel) mScrollView.findViewById(R.id.qucii_quick_settings_panel);
        mQsPanel_Qucii.setExpanded(true);
        mQsPanel_Qucii.setIndicatorListener(this);// added by yangfan 
        mScrollView.setListener(this);
        mScrollView.setFocusable(false);
        mReserveNotificationSpace = mScrollView.findViewById(R.id.reserve_notification_space);
        mNotificationStackScroller.setOnHeightChangedListener(this);
        mNotificationStackScroller.setOverscrollTopChangedListener(this);
        mNotificationStackScroller.setOnEmptySpaceClickListener(this);
        mNotificationStackScroller.setScrollView(mScrollView);
        mNotificationStackScroller.setNotificationPanelView(this);
        mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(getContext(),
                android.R.interpolator.fast_out_slow_in);
        mFastOutLinearInterpolator = AnimationUtils.loadInterpolator(getContext(),
                android.R.interpolator.fast_out_linear_in);
        mDozeAnimationInterpolator = AnimationUtils.loadInterpolator(getContext(),
                android.R.interpolator.linear_out_slow_in);
        mKeyguardBottomArea = (KeyguardBottomAreaView) findViewById(R.id.keyguard_bottom_area);
        mQsNavbarScrim = findViewById(R.id.qs_navbar_scrim);
        mAfforanceHelper = new KeyguardAffordanceHelper(this, getContext());
        mLastOrientation = getResources().getConfiguration().orientation;

        // recompute internal state when qspanel height changes
        mQsContainer.addOnLayoutChangeListener(new OnLayoutChangeListener() {
            @Override
            public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop,
                    int oldRight, int oldBottom) {
                final int height = bottom - top;
                final int oldHeight = oldBottom - oldTop;
                if (height != oldHeight) {
                    onScrollChanged();
                }
            }
        });

    }

    @Override
    protected void loadDimens() {
        super.loadDimens();
        mNotificationTopPadding = getResources().getDimensionPixelSize(R.dimen.notifications_top_padding);
        mFlingAnimationUtils = new FlingAnimationUtils(getContext(), 0.4f);
        mStatusBarMinHeight = getResources().getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
        mQsPeekHeight = getResources().getDimensionPixelSize(R.dimen.qs_peek_height);
        mNotificationsHeaderCollideDistance = getResources()
                .getDimensionPixelSize(R.dimen.header_notifications_collide_distance);
        mUnlockMoveDistance = getResources().getDimensionPixelOffset(R.dimen.unlock_move_distance);
        mClockPositionAlgorithm.loadDimens(getResources());
        mNotificationScrimWaitDistance = getResources()
                .getDimensionPixelSize(R.dimen.notification_scrim_wait_distance);
        mQsFalsingThreshold = getResources().getDimensionPixelSize(R.dimen.qs_falsing_threshold);
        mPositionMinSideMargin = getResources().getDimensionPixelSize(R.dimen.notification_panel_min_side_margin);
        mBarSize = getResources().getDimensionPixelSize(R.dimen.navigation_bar_size);
        isScreenLand();
    }

    public void updateResources() {
        int panelWidth = getResources().getDimensionPixelSize(R.dimen.notification_panel_width);
        int panelGravity = getResources().getInteger(R.integer.notification_panel_layout_gravity);
        FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mHeader.getLayoutParams();
        if (lp.width != panelWidth) {
            lp.width = panelWidth;
            lp.gravity = panelGravity;
            mHeader.setLayoutParams(lp);
            mHeader.post(mUpdateHeader);
        }

        ViewGroup.LayoutParams lp1 = (ViewGroup.LayoutParams) mNotificationStackScroller.getLayoutParams();
        if (lp1 != null && lp1.width != panelWidth) {
            lp1.width = panelWidth;
            mNotificationStackScroller.setLayoutParams(lp1);
        }

        ViewGroup.LayoutParams lp2 = (ViewGroup.LayoutParams) mScrollView.getLayoutParams();
        if (lp2 != null && lp2.width != panelWidth) {
            lp2.width = panelWidth;
            mScrollView.setLayoutParams(lp2);
        }
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
        super.onLayout(changed, left, top, right, bottom);
        //        Log.e("=======onLayout======", "onLayout:mChangedBottom"+mChangedBottom);
        //add by mare 2017/3/21 begin
        //========================>
        //?layout???,??
        if (is_Qucii_Headup()) {
            mNotificationContainerParent.layout(left, top, right, bottom);
        } else {
            if (getIsTouchOrAnimationOrBarState()) {
                mNotificationContainerParent.layout(left, top, right, noBottom);
                mHeader.layout(left, top, right, Math.min(noBottom, mHeader.getMeasuredHeight()));
                mArrowLayout.layout(left, noBottom, right, mChangedBottom);
            }

        }
        //add by mare 2017/3/21 end
        // Update Clock Pivot
        mKeyguardStatusView.setPivotX(getWidth() / 2);
        mKeyguardStatusView.setPivotY((FONT_HEIGHT - CAP_HEIGHT) / 2048f * mClockView.getTextSize());

        // Calculate quick setting heights.
        int oldMaxHeight = mQsMaxExpansionHeight;
        mQsMinExpansionHeight = mKeyguardShowing ? 0 : mHeader.getCollapsedHeight() + mQsPeekHeight;
        if (!mQsExpansionEnabled) {
            mQsMaxExpansionHeight = mHeader.getCollapsedHeight() + mQsContainer.getDesiredHeight();
        } else {
            mQsMaxExpansionHeight = mHeader.getExpandedHeight() + mQsContainer.getDesiredHeight();
        }
        positionClockAndNotifications();
        if (mQsExpanded && mQsFullyExpanded) {
            mQsExpansionHeight = mQsMaxExpansionHeight;
            requestScrollerTopPaddingUpdate(false /* animate */);
            requestPanelHeightUpdate();

            // Size has changed, start an animation.
            if (mQsMaxExpansionHeight != oldMaxHeight) {
                startQsSizeChangeAnimation(oldMaxHeight, mQsMaxExpansionHeight);
            }
        } else if (!mQsExpanded) {
            setQsExpansion(mQsMinExpansionHeight + mLastOverscroll);
        }
        updateStackHeight(getExpandedHeight());
        updateHeader();
        mNotificationStackScroller.updateIsSmallScreen(mHeader.getCollapsedHeight() + mQsPeekHeight);

        // If we are running a size change animation, the animation takes care of the height of
        // the container. However, if we are not animating, we always need to make the QS container
        // the desired height so when closing the QS detail, it stays smaller after the size change
        // animation is finished but the detail view is still being animated away (this animation
        // takes longer than the size change animation).
        if (mQsSizeChangeAnimator == null) {
            mQsContainer.setHeightOverride(mQsContainer.getDesiredHeight());
        }
        updateMaxHeadsUpTranslation();
    }

    private void startQsSizeChangeAnimation(int oldHeight, final int newHeight) {
        if (mQsSizeChangeAnimator != null) {
            oldHeight = (int) mQsSizeChangeAnimator.getAnimatedValue();
            mQsSizeChangeAnimator.cancel();
        }
        mQsSizeChangeAnimator = ValueAnimator.ofInt(oldHeight, newHeight);
        mQsSizeChangeAnimator.setDuration(300);
        mQsSizeChangeAnimator.setInterpolator(mFastOutSlowInInterpolator);
        mQsSizeChangeAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                requestScrollerTopPaddingUpdate(false /* animate */);
                requestPanelHeightUpdate();
                int height = (int) mQsSizeChangeAnimator.getAnimatedValue();
                mQsContainer.setHeightOverride(height - mHeader.getExpandedHeight());
            }
        });
        mQsSizeChangeAnimator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mQsSizeChangeAnimator = null;
            }
        });
        mQsSizeChangeAnimator.start();
    }

    /**
     * Positions the clock and notifications dynamically depending on how many notifications are
     * showing.
     */
    private void positionClockAndNotifications() {
        boolean animate = mNotificationStackScroller.isAddOrRemoveAnimationPending();
        int stackScrollerPadding;
        if (mStatusBarState != StatusBarState.KEYGUARD) {
            int bottom = mHeader.getCollapsedHeight();
            //modify by mare 2017/03/03
            //=======================>
            //StatusBarState.SHADE_LOCK????bug
            stackScrollerPadding = /*mStatusBarState == StatusBarState.SHADE
                                   ?*/ bottom + mQsPeekHeight + mNotificationTopPadding
            /*: mKeyguardStatusBar.getHeight() + mNotificationTopPadding*/;
            //<=======================
            //modify by mare 2017/03/03
            mTopPaddingAdjustment = 0;
        } else {
            mClockPositionAlgorithm.setup(mStatusBar.getMaxKeyguardNotifications(), getMaxPanelHeight(),
                    getExpandedHeight(), mNotificationStackScroller.getNotGoneChildCount(), getHeight(),
                    mKeyguardStatusView.getHeight(), mEmptyDragAmount);
            mClockPositionAlgorithm.run(mClockPositionResult);
            if (animate || mClockAnimator != null) {
                startClockAnimation(mClockPositionResult.clockY);
            } else {
                mKeyguardStatusView.setY(mClockPositionResult.clockY);
            }
            updateClock(mClockPositionResult.clockAlpha, mClockPositionResult.clockScale);
            stackScrollerPadding = mClockPositionResult.stackScrollerPadding;
            mTopPaddingAdjustment = mClockPositionResult.stackScrollerPaddingAdjustment;
        }
        mNotificationStackScroller.setIntrinsicPadding(stackScrollerPadding);
        requestScrollerTopPaddingUpdate(animate);
    }

    private void startClockAnimation(int y) {
        if (mClockAnimationTarget == y) {
            return;
        }
        mClockAnimationTarget = y;
        getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
            @Override
            public boolean onPreDraw() {
                getViewTreeObserver().removeOnPreDrawListener(this);
                if (mClockAnimator != null) {
                    mClockAnimator.removeAllListeners();
                    mClockAnimator.cancel();
                }
                mClockAnimator = ObjectAnimator.ofFloat(mKeyguardStatusView, View.Y, mClockAnimationTarget);
                mClockAnimator.setInterpolator(mFastOutSlowInInterpolator);
                mClockAnimator.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
                mClockAnimator.addListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        mClockAnimator = null;
                        mClockAnimationTarget = -1;
                    }
                });
                mClockAnimator.start();
                return true;
            }
        });
    }

    private void updateClock(float alpha, float scale) {
        if (!mKeyguardStatusViewAnimating) {
            mKeyguardStatusView.setAlpha(alpha);
        }
        mKeyguardStatusView.setScaleX(scale);
        mKeyguardStatusView.setScaleY(scale);
    }

    public void animateToFullShade(long delay) {
        mAnimateNextTopPaddingChange = true;
        mNotificationStackScroller.goToFullShade(delay);
        requestLayout();
    }

    public void setQsExpansionEnabled(boolean qsExpansionEnabled) {
        mQsExpansionEnabled = qsExpansionEnabled;
        mHeader.setClickable(qsExpansionEnabled);
    }

    @Override
    public void resetViews() {
        mIsLaunchTransitionFinished = false;
        mBlockTouches = false;
        mUnlockIconActive = false;
        if (!mLaunchingAffordance) {
            mAfforanceHelper.reset(false);
            mLastCameraLaunchSource = KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_AFFORDANCE;
        }
        closeQs();
        mStatusBar.dismissPopups();
        mNotificationStackScroller.setOverScrollAmount(0f, true /* onTop */, false /* animate */,
                true /* cancelAnimators */);
        mNotificationStackScroller.resetScrollPosition();
    }

    public void closeQs() {
        cancelQsAnimation();
        setQsExpansion(mQsMinExpansionHeight);
    }

    public void animateCloseQs() {
        if (mQsExpansionAnimator != null) {
            if (!mQsAnimatorExpand) {
                return;
            }
            float height = mQsExpansionHeight;
            mQsExpansionAnimator.cancel();
            setQsExpansion(height);
        }
        flingSettings(0 /* vel */, false);
    }

    public void openQs() {
        cancelQsAnimation();
        if (mQsExpansionEnabled) {
            setQsExpansion(mQsMaxExpansionHeight);
        }
    }

    public void expandWithQs() {
        if (mQsExpansionEnabled) {
            mQsExpandImmediate = true;
        }
        expand();
    }

    @Override
    public void fling(float vel, boolean expand) {
        GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();
        if (gr != null) {
            gr.tag("fling " + ((vel > 0) ? "open" : "closed"), "notifications,v=" + vel);
        }
        super.fling(vel, expand);
    }

    @Override
    protected void flingToHeight(float vel, boolean expand, float target, float collapseSpeedUpFactor,
            boolean expandBecauseOfFalsing) {
        mHeadsUpTouchHelper.notifyFling(!expand);
        setClosingWithAlphaFadeout(!expand && getFadeoutAlpha() == 1.0f);
        super.flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing);
    }

    @Override
    public boolean dispatchPopulateAccessibilityEventInternal(AccessibilityEvent event) {
        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
            event.getText().add(getKeyguardOrLockScreenString());
            mLastAnnouncementWasQuickSettings = false;
            return true;
        }
        return super.dispatchPopulateAccessibilityEventInternal(event);
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent event) {
        if (mBlockTouches) {
            return false;
        }
        initDownStates(event);
        if (mHeadsUpTouchHelper.onInterceptTouchEvent(event)) {
            mIsExpansionFromHeadsUp = true;
            MetricsLogger.count(mContext, COUNTER_PANEL_OPEN, 1);
            MetricsLogger.count(mContext, COUNTER_PANEL_OPEN_PEEK, 1);
            return true;
        }
        if (!isFullyCollapsed() && onQsIntercept(event)) {
            return true;
        }
        return super.onInterceptTouchEvent(event);
    }

    private boolean onQsIntercept(MotionEvent event) {
        int pointerIndex = event.findPointerIndex(mTrackingPointer);
        if (pointerIndex < 0) {
            pointerIndex = 0;
            mTrackingPointer = event.getPointerId(pointerIndex);
        }
        final float x = event.getX(pointerIndex);
        final float y = event.getY(pointerIndex);

        switch (event.getActionMasked()) {
        case MotionEvent.ACTION_DOWN:
            mIntercepting = true;
            mInitialTouchY = y;
            mInitialTouchX = x;
            initVelocityTracker();
            trackMovement(event);
            if (shouldQuickSettingsIntercept(mInitialTouchX, mInitialTouchY, 0)) {
                getParent().requestDisallowInterceptTouchEvent(true);
            }
            if (mQsExpansionAnimator != null) {
                onQsExpansionStarted();
                mInitialHeightOnTouch = mQsExpansionHeight;
                mQsTracking = true;
                mIntercepting = false;
                mNotificationStackScroller.removeLongPressCallback();
            }
            break;
        case MotionEvent.ACTION_POINTER_UP:
            final int upPointer = event.getPointerId(event.getActionIndex());
            if (mTrackingPointer == upPointer) {
                // gesture is ongoing, find a new pointer to track
                final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
                mTrackingPointer = event.getPointerId(newIndex);
                mInitialTouchX = event.getX(newIndex);
                mInitialTouchY = event.getY(newIndex);
            }
            break;

        case MotionEvent.ACTION_MOVE:
            final float h = y - mInitialTouchY;
            trackMovement(event);
            if (mQsTracking) {

                // Already tracking because onOverscrolled was called. We need to update here
                // so we don't stop for a frame until the next touch event gets handled in
                // onTouchEvent.

                setQsExpansion(h + mInitialHeightOnTouch);
                trackMovement(event);
                mIntercepting = false;
                return true;
            }
            if (Math.abs(h) > mTouchSlop && Math.abs(h) > Math.abs(x - mInitialTouchX)
                    && shouldQuickSettingsIntercept(mInitialTouchX, mInitialTouchY, h)) {
                mQsTracking = true;
                onQsExpansionStarted();
                notifyExpandingFinished();
                mInitialHeightOnTouch = mQsExpansionHeight;
                mInitialTouchY = y;
                mInitialTouchX = x;
                mIntercepting = false;
                mNotificationStackScroller.removeLongPressCallback();
                return true;
            }
            break;

        case MotionEvent.ACTION_CANCEL:
        case MotionEvent.ACTION_UP:
            trackMovement(event);
            if (mQsTracking) {
                flingQsWithCurrentVelocity(y, event.getActionMasked() == MotionEvent.ACTION_CANCEL);
                mQsTracking = false;
            }
            mIntercepting = false;
            break;
        }
        return false;
    }

    @Override
    protected boolean isInContentBounds(float x, float y) {
        float stackScrollerX = mNotificationStackScroller.getX();
        return !mNotificationStackScroller.isBelowLastNotification(x - stackScrollerX, y) && stackScrollerX < x
                && x < stackScrollerX + mNotificationStackScroller.getWidth();
    }

    private void initDownStates(MotionEvent event) {
        if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
            mOnlyAffordanceInThisMotion = false;
            mQsTouchAboveFalsingThreshold = mQsFullyExpanded;
            mDozingOnDown = isDozing();
            mCollapsedOnDown = isFullyCollapsed();
            mListenForHeadsUp = mCollapsedOnDown && mHeadsUpManager.hasPinnedHeadsUp();
        }
    }

    @Override
    public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {

        // Block request when interacting with the scroll view so we can still intercept the
        // scrolling when QS is expanded.
        if (mScrollView.isHandlingTouchEvent()) {
            return;
        }
        super.requestDisallowInterceptTouchEvent(disallowIntercept);
    }

    private void flingQsWithCurrentVelocity(float y, boolean isCancelMotionEvent) {
        float vel = getCurrentVelocity();
        final boolean expandsQs = flingExpandsQs(vel);
        if (expandsQs) {
            logQsSwipeDown(y);
        }
        flingSettings(vel, expandsQs && !isCancelMotionEvent);
    }

    private void logQsSwipeDown(float y) {
        float vel = getCurrentVelocity();
        final int gesture = mStatusBarState == StatusBarState.KEYGUARD
                ? EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_SWIPE_DOWN_QS
                : EventLogConstants.SYSUI_SHADE_GESTURE_SWIPE_DOWN_QS;
        EventLogTags.writeSysuiLockscreenGesture(gesture,
                (int) ((y - mInitialTouchY) / mStatusBar.getDisplayDensity()),
                (int) (vel / mStatusBar.getDisplayDensity()));
    }

    private boolean flingExpandsQs(float vel) {
        if (isBelowFalsingThreshold()) {
            return false;
        }
        if (Math.abs(vel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) {
            return getQsExpansionFraction() > 0.5f;
        } else {
            return vel > 0;
        }
    }

    private boolean isBelowFalsingThreshold() {
        return !mQsTouchAboveFalsingThreshold && mStatusBarState == StatusBarState.KEYGUARD;
    }

    private float getQsExpansionFraction() {
        return Math.min(1f,
                (mQsExpansionHeight - mQsMinExpansionHeight) / (getTempQsMaxExpansion() - mQsMinExpansionHeight));
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        //       Log.e("=====onTouchEvent======", "event:"+event.getActionMasked());
        if (mBlockTouches) {
            return false;
        }

        initDownStates(event);
        if (mListenForHeadsUp && !mHeadsUpTouchHelper.isTrackingHeadsUp()
                && mHeadsUpTouchHelper.onInterceptTouchEvent(event)) {
            mIsExpansionFromHeadsUp = true;
            MetricsLogger.count(mContext, COUNTER_PANEL_OPEN_PEEK, 1);
        }
        if ((!mIsExpanding || mHintAnimationRunning) && !mQsExpanded
                && mStatusBar.getBarState() != StatusBarState.SHADE) {
            mAfforanceHelper.onTouchEvent(event);
        }
        if (mOnlyAffordanceInThisMotion) {
            return true;
        }
        mHeadsUpTouchHelper.onTouchEvent(event);
        //??????event
        if (!mHeadsUpTouchHelper.isTrackingHeadsUp() && handleQsTouch(event)) {
            return true;
        }
        if (event.getActionMasked() == MotionEvent.ACTION_DOWN && isFullyCollapsed()) {
            MetricsLogger.count(mContext, COUNTER_PANEL_OPEN, 1);
            updateVerticalPanelPosition(event.getX());
        }
        super.onTouchEvent(event);
        return true;
    }

    private boolean handleQsTouch(MotionEvent event) {
        final int action = event.getActionMasked();
        // screen statusBar animator by yangfan 
        if (mStatusBarState == StatusBarState.KEYGUARD) {
            if (event.getY() < getResources().getDimensionPixelOffset(R.dimen.status_bar_height))
                //modify by mare 2017/3/2
                //=====================>
                //?true??action????
                return false;
            //<=====================
            //modify by mare 2017/3/2
        }
        // screen statusBar animator by yangfan 
        if (action == MotionEvent.ACTION_DOWN && getExpandedFraction() == 1f
                && mStatusBar.getBarState() != StatusBarState.KEYGUARD && !mQsExpanded && mQsExpansionEnabled) {

            // Down in the empty area while fully expanded - go to QS.
            mQsTracking = true;
            mConflictingQsExpansionGesture = true;
            onQsExpansionStarted();
            mInitialHeightOnTouch = mQsExpansionHeight;
            mInitialTouchY = event.getX();
            mInitialTouchX = event.getY();
        }
        if (!isFullyCollapsed()) {
            handleQsDown(event);
        }
        if (!mQsExpandImmediate && mQsTracking) {
            onQsTouch(event);
            if (!mConflictingQsExpansionGesture) {
                return true;
            }
        }
        if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
            mConflictingQsExpansionGesture = false;
        }
        if (action == MotionEvent.ACTION_DOWN && isFullyCollapsed() && mQsExpansionEnabled) {
            mTwoFingerQsExpandPossible = true;
        }
        if (mTwoFingerQsExpandPossible && isOpenQsEvent(event)
                && event.getY(event.getActionIndex()) < mStatusBarMinHeight) {
            MetricsLogger.count(mContext, COUNTER_PANEL_OPEN_QS, 1);
            mQsExpandImmediate = true;
            requestPanelHeightUpdate();

            // Normally, we start listening when the panel is expanded, but here we need to start
            // earlier so the state is already up to date when dragging down.
            setListening(true);
        }
        return false;
    }

    private boolean isInQsArea(float x, float y) {
        return (x >= mScrollView.getX() && x <= mScrollView.getX() + mScrollView.getWidth())
                && (y <= mNotificationStackScroller.getBottomMostNotificationBottom()
                        || y <= mQsContainer.getY() + mQsContainer.getHeight()
                        || y <= mQsContainer_Qucii.getY() + mQsContainer_Qucii.getHeight());
    }

    private boolean isOpenQsEvent(MotionEvent event) {
        final int pointerCount = event.getPointerCount();
        final int action = event.getActionMasked();

        final boolean twoFingerDrag = action == MotionEvent.ACTION_POINTER_DOWN && pointerCount == 2;

        final boolean stylusButtonClickDrag = action == MotionEvent.ACTION_DOWN
                && (event.isButtonPressed(MotionEvent.BUTTON_STYLUS_PRIMARY)
                        || event.isButtonPressed(MotionEvent.BUTTON_STYLUS_SECONDARY));

        final boolean mouseButtonClickDrag = action == MotionEvent.ACTION_DOWN
                && (event.isButtonPressed(MotionEvent.BUTTON_SECONDARY)
                        || event.isButtonPressed(MotionEvent.BUTTON_TERTIARY));
        boolean isOverride = true;

        return twoFingerDrag || isOverride || stylusButtonClickDrag || mouseButtonClickDrag;
    }

    private void handleQsDown(MotionEvent event) {
        if (event.getActionMasked() == MotionEvent.ACTION_DOWN
                && shouldQuickSettingsIntercept(event.getX(), event.getY(), -1)) {
            mQsTracking = true;
            onQsExpansionStarted();
            mInitialHeightOnTouch = mQsExpansionHeight;
            mInitialTouchY = event.getX();
            mInitialTouchX = event.getY();

            // If we interrupt an expansion gesture here, make sure to update the state correctly.
            notifyExpandingFinished();
        }
    }

    @Override
    protected boolean flingExpands(float vel, float vectorVel, float x, float y) {
        boolean expands = super.flingExpands(vel, vectorVel, x, y);

        // If we are already running a QS expansion, make sure that we keep the panel open.
        if (mQsExpansionAnimator != null) {
            expands = true;
        }
        return expands;
    }

    @Override
    protected boolean hasConflictingGestures() {
        return mStatusBar.getBarState() != StatusBarState.SHADE;
    }

    @Override
    protected boolean shouldGestureIgnoreXTouchSlop(float x, float y) {
        return !mAfforanceHelper.isOnAffordanceIcon(x, y);
    }

    private void onQsTouch(MotionEvent event) {
        int pointerIndex = event.findPointerIndex(mTrackingPointer);
        if (pointerIndex < 0) {
            pointerIndex = 0;
            mTrackingPointer = event.getPointerId(pointerIndex);
        }
        final float y = event.getY(pointerIndex);
        final float x = event.getX(pointerIndex);
        final float h = y - mInitialTouchY;
        logf("onQsTouch() touch event = " + event.getActionMasked());
        switch (event.getActionMasked()) {
        case MotionEvent.ACTION_DOWN:
            logf("onQsTouch() touch event = MotionEvent.ACTION_DOWN ");
            mQsTracking = true;
            mInitialTouchY = y;
            mInitialTouchX = x;
            onQsExpansionStarted();
            mInitialHeightOnTouch = mQsExpansionHeight;
            initVelocityTracker();
            trackMovement(event);
            break;

        case MotionEvent.ACTION_POINTER_UP:
            logf("onQsTouch() touch event = MotionEvent.ACTION_POINTER_UP ");
            final int upPointer = event.getPointerId(event.getActionIndex());
            if (mTrackingPointer == upPointer) {
                // gesture is ongoing, find a new pointer to track
                final int newIndex = event.getPointerId(0) != upPointer ? 0 : 1;
                final float newY = event.getY(newIndex);
                final float newX = event.getX(newIndex);
                mTrackingPointer = event.getPointerId(newIndex);
                mInitialHeightOnTouch = mQsExpansionHeight;
                mInitialTouchY = newY;
                mInitialTouchX = newX;
            }
            break;

        case MotionEvent.ACTION_MOVE:
            logf("onQsTouch() touch event = MotionEvent.ACTION_MOVE ");
            setQsExpansion(h + mInitialHeightOnTouch);
            if (h >= getFalsingThreshold()) {
                mQsTouchAboveFalsingThreshold = true;
            }
            trackMovement(event);
            break;

        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_CANCEL:
            logf("onQsTouch() touch event = MotionEvent.ACTION_UP/ACTION_CANCEL");
            mQsTracking = false;
            mTrackingPointer = -1;
            trackMovement(event);
            float fraction = getQsExpansionFraction();
            if ((fraction != 0f || y >= mInitialTouchY) && (fraction != 1f || y <= mInitialTouchY)) {
                flingQsWithCurrentVelocity(y, event.getActionMasked() == MotionEvent.ACTION_CANCEL);
            } else {
                logQsSwipeDown(y);
                mScrollYOverride = -1;
            }
            if (mVelocityTracker != null) {
                mVelocityTracker.recycle();
                mVelocityTracker = null;
            }
            break;
        }
    }

    private int getFalsingThreshold() {
        float factor = mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f;
        return (int) (mQsFalsingThreshold * factor);
    }

    @Override
    public void onOverscrolled(float lastTouchX, float lastTouchY, int amount) {
        if (mIntercepting
                && shouldQuickSettingsIntercept(lastTouchX, lastTouchY, -1 /* yDiff: Not relevant here */)) {
            mQsTracking = true;
            onQsExpansionStarted(amount);
            mInitialHeightOnTouch = mQsExpansionHeight;
            mInitialTouchY = mLastTouchY;
            mInitialTouchX = mLastTouchX;
        }
    }

    @Override
    public void onOverscrollTopChanged(float amount, boolean isRubberbanded) {
        logf("onOverscrollTopChanged() amount = " + amount + ",  isRubberbanded = " + isRubberbanded);
        cancelQsAnimation();
        if (!mQsExpansionEnabled) {
            amount = 0f;
        }
        float rounded = amount >= 1f ? amount : 0f;
        mStackScrollerOverscrolling = rounded != 0f && isRubberbanded;
        mQsExpansionFromOverscroll = rounded != 0f;
        mLastOverscroll = rounded;
        updateQsState();
        setQsExpansion(mQsMinExpansionHeight + rounded);
    }

    @Override
    public void flingTopOverscroll(float velocity, boolean open) {
        mLastOverscroll = 0f;
        setQsExpansion(mQsExpansionHeight);
        flingSettings(!mQsExpansionEnabled && open ? 0f : velocity, open && mQsExpansionEnabled, new Runnable() {
            @Override
            public void run() {
                mStackScrollerOverscrolling = false;
                mQsExpansionFromOverscroll = false;
                updateQsState();
            }
        }, false /* isClick */);
    }

    private void onQsExpansionStarted() {
        onQsExpansionStarted(0);
    }

    private void onQsExpansionStarted(int overscrollAmount) {
        cancelQsAnimation();
        cancelHeightAnimator();

        // Reset scroll position and apply that position to the expanded height.
        float height = mQsExpansionHeight - mScrollView.getScrollY() - overscrollAmount;
        if (mScrollView.getScrollY() != 0) {
            mScrollYOverride = mScrollView.getScrollY();
        }
        mScrollView.scrollTo(0, 0);
        setQsExpansion(height);
        requestPanelHeightUpdate();
    }

    private void setQsExpanded(boolean expanded) {
        logf("setQsExpanded() expanded = " + expanded);
        boolean changed = mQsExpanded != expanded;
        if (changed) {
            mQsExpanded = expanded;
            updateQsState();
            requestPanelHeightUpdate();
            mNotificationStackScroller.setInterceptDelegateEnabled(expanded);
            mStatusBar.setQsExpanded(expanded);
            mQsPanel.setExpanded(expanded);
            mNotificationContainerParent.setQsExpanded(expanded);
        }
    }

    public void setBarState(int statusBarState, boolean keyguardFadingAway, boolean goingToFullShade) {
        int oldState = mStatusBarState;
        boolean keyguardShowing = statusBarState == StatusBarState.KEYGUARD;
        setKeyguardStatusViewVisibility(statusBarState, keyguardFadingAway, goingToFullShade);
        setKeyguardBottomAreaVisibility(statusBarState, goingToFullShade);

        mStatusBarState = statusBarState;
        mKeyguardShowing = keyguardShowing;
        mNotificationsViewPager.setDisable(keyguardShowing);
        updateIndicatorVisibility(statusBarState == StatusBarState.KEYGUARD ? INVISIBLE : VISIBLE);// added by yangfan 
        //add by mare for viewpager
        if (keyguardShowing) {
            mNotificationsViewPager.setCurrentItem(0);
        }
        //add by mare ????? begin
        if ((mStatusBarState == StatusBarState.SHADE_LOCKED || mStatusBarState == StatusBarState.KEYGUARD)) {
            setBackgroundResource(0);
        }
        //add by mare ????? end
        if (goingToFullShade
                || (oldState == StatusBarState.KEYGUARD && statusBarState == StatusBarState.SHADE_LOCKED)) {
            animateKeyguardStatusBarOut();
            animateHeaderSlidingIn();
        } else if (oldState == StatusBarState.SHADE_LOCKED && statusBarState == StatusBarState.KEYGUARD) {
            animateKeyguardStatusBarIn(StackStateAnimator.ANIMATION_DURATION_STANDARD);
            animateHeaderSlidingOut();
        } else {
            mKeyguardStatusBar.setAlpha(1f);
            mKeyguardStatusBar.setVisibility(keyguardShowing ? View.VISIBLE : View.INVISIBLE);
            if (keyguardShowing && oldState != mStatusBarState) {
                mKeyguardBottomArea.updateLeftAffordance();
                mAfforanceHelper.updatePreviews();
            }
        }
        if (keyguardShowing) {
            updateDozingVisibilities(false /* animate */);
        }
        resetVerticalPanelPosition();
        updateQsState();
    }

    private final Runnable mAnimateKeyguardStatusViewInvisibleEndRunnable = new Runnable() {
        @Override
        public void run() {
            mKeyguardStatusViewAnimating = false;
            mKeyguardStatusView.setVisibility(View.GONE);
        }
    };

    private final Runnable mAnimateKeyguardStatusViewVisibleEndRunnable = new Runnable() {
        @Override
        public void run() {
            mKeyguardStatusViewAnimating = false;
        }
    };

    private final Animator.AnimatorListener mAnimateHeaderSlidingInListener = new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            mHeaderAnimating = false;
            mQsContainerAnimator = null;
            mQsContainer.removeOnLayoutChangeListener(mQsContainerAnimatorUpdater);
        }
    };

    private final OnLayoutChangeListener mQsContainerAnimatorUpdater = new OnLayoutChangeListener() {
        @Override
        public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop,
                int oldRight, int oldBottom) {
            int oldHeight = oldBottom - oldTop;
            int height = bottom - top;
            if (height != oldHeight && mQsContainerAnimator != null) {
                PropertyValuesHolder[] values = mQsContainerAnimator.getValues();
                float newEndValue = mHeader.getCollapsedHeight() + mQsPeekHeight - height - top;
                float newStartValue = -height - top;
                values[0].setFloatValues(newStartValue, newEndValue);
                mQsContainerAnimator.setCurrentPlayTime(mQsContainerAnimator.getCurrentPlayTime());
            }
        }
    };

    private final ViewTreeObserver.OnPreDrawListener mStartHeaderSlidingIn = new ViewTreeObserver.OnPreDrawListener() {
        @Override
        public boolean onPreDraw() {
            getViewTreeObserver().removeOnPreDrawListener(this);
            long delay = mStatusBarState == StatusBarState.SHADE_LOCKED ? 0
                    : mStatusBar.calculateGoingToFullShadeDelay();
            mHeader.setTranslationY(-mHeader.getCollapsedHeight() - mQsPeekHeight);
            mHeader.animate().translationY(0f).setStartDelay(delay)
                    .setDuration(StackStateAnimator.ANIMATION_DURATION_GO_TO_FULL_SHADE)
                    .setInterpolator(mFastOutSlowInInterpolator).start();
            mQsContainer.setY(-mQsContainer.getHeight());
            mQsContainerAnimator = ObjectAnimator.ofFloat(mQsContainer, View.TRANSLATION_Y,
                    mQsContainer.getTranslationY(), mHeader.getCollapsedHeight() + mQsPeekHeight
                            - mQsContainer.getHeight() - mQsContainer.getTop());
            mQsContainerAnimator.setStartDelay(delay);
            mQsContainerAnimator.setDuration(StackStateAnimator.ANIMATION_DURATION_GO_TO_FULL_SHADE);
            mQsContainerAnimator.setInterpolator(mFastOutSlowInInterpolator);
            mQsContainerAnimator.addListener(mAnimateHeaderSlidingInListener);
            mQsContainerAnimator.start();
            mQsContainer.addOnLayoutChangeListener(mQsContainerAnimatorUpdater);
            return true;
        }
    };

    private void animateHeaderSlidingIn() {
        // If the QS is already expanded we don't need to slide in the header as it's already
        // visible.
        if (!mQsExpanded) {
            mHeaderAnimating = true;
            getViewTreeObserver().addOnPreDrawListener(mStartHeaderSlidingIn);
        }
    }

    private void animateHeaderSlidingOut() {
        mHeaderAnimating = true;
        mHeader.animate().y(-mHeader.getHeight()).setStartDelay(0)
                .setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD)
                .setInterpolator(mFastOutSlowInInterpolator).setListener(new AnimatorListenerAdapter() {
                    @Override
                    public void onAnimationEnd(Animator animation) {
                        mHeader.animate().setListener(null);
                        mHeaderAnimating = false;
                        updateQsState();
                    }
                }).start();
        mQsContainer.animate().y(-mQsContainer.getHeight()).setStartDelay(0)
                .setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD)
                .setInterpolator(mFastOutSlowInInterpolator).start();
    }

    private final Runnable mAnimateKeyguardStatusBarInvisibleEndRunnable = new Runnable() {
        @Override
        public void run() {
            mKeyguardStatusBar.setVisibility(View.INVISIBLE);
            mKeyguardStatusBar.setAlpha(1f);
            mKeyguardStatusBarAnimateAlpha = 1f;
        }
    };

    private void animateKeyguardStatusBarOut() {
        ValueAnimator anim = ValueAnimator.ofFloat(mKeyguardStatusBar.getAlpha(), 0f);
        anim.addUpdateListener(mStatusBarAnimateAlphaListener);
        anim.setStartDelay(mStatusBar.isKeyguardFadingAway() ? mStatusBar.getKeyguardFadingAwayDelay() : 0);
        anim.setDuration(mStatusBar.isKeyguardFadingAway() ? mStatusBar.getKeyguardFadingAwayDuration() / 2
                : StackStateAnimator.ANIMATION_DURATION_STANDARD);
        anim.setInterpolator(mDozeAnimationInterpolator);
        anim.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mAnimateKeyguardStatusBarInvisibleEndRunnable.run();
            }
        });
        anim.start();
    }

    private final ValueAnimator.AnimatorUpdateListener mStatusBarAnimateAlphaListener = new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            mKeyguardStatusBarAnimateAlpha = (float) animation.getAnimatedValue();
            updateHeaderKeyguardAlpha();
        }
    };

    private void animateKeyguardStatusBarIn(long duration) {
        mKeyguardStatusBar.setVisibility(View.VISIBLE);
        mKeyguardStatusBar.setAlpha(0f);
        ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
        anim.addUpdateListener(mStatusBarAnimateAlphaListener);
        anim.setDuration(duration);
        anim.setInterpolator(mDozeAnimationInterpolator);
        anim.start();
    }

    private final Runnable mAnimateKeyguardBottomAreaInvisibleEndRunnable = new Runnable() {
        @Override
        public void run() {
            mKeyguardBottomArea.setVisibility(View.GONE);
        }
    };

    private void setKeyguardBottomAreaVisibility(int statusBarState, boolean goingToFullShade) {
        if (goingToFullShade) {
            mKeyguardBottomArea.animate().cancel();
            mKeyguardBottomArea.animate().alpha(0f).setStartDelay(mStatusBar.getKeyguardFadingAwayDelay())
                    .setDuration(mStatusBar.getKeyguardFadingAwayDuration() / 2)
                    .setInterpolator(PhoneStatusBar.ALPHA_OUT)
                    .withEndAction(mAnimateKeyguardBottomAreaInvisibleEndRunnable).start();
        } else if (statusBarState == StatusBarState.KEYGUARD || statusBarState == StatusBarState.SHADE_LOCKED) {
            mKeyguardBottomArea.animate().cancel();
            if (!mDozing) {
                mKeyguardBottomArea.setVisibility(View.VISIBLE);
            }
            mKeyguardBottomArea.setAlpha(1f);
        } else {
            mKeyguardBottomArea.animate().cancel();
            mKeyguardBottomArea.setVisibility(View.GONE);
            mKeyguardBottomArea.setAlpha(1f);
        }
    }

    private void setKeyguardStatusViewVisibility(int statusBarState, boolean keyguardFadingAway,
            boolean goingToFullShade) {
        if ((!keyguardFadingAway && mStatusBarState == StatusBarState.KEYGUARD
                && statusBarState != StatusBarState.KEYGUARD) || goingToFullShade) {
            mKeyguardStatusView.animate().cancel();
            mKeyguardStatusViewAnimating = true;
            mKeyguardStatusView.animate().alpha(0f).setStartDelay(0).setDuration(160)
                    .setInterpolator(PhoneStatusBar.ALPHA_OUT)
                    .withEndAction(mAnimateKeyguardStatusViewInvisibleEndRunnable);
            if (keyguardFadingAway) {
                mKeyguardStatusView.animate().setStartDelay(mStatusBar.getKeyguardFadingAwayDelay())
                        .setDuration(mStatusBar.getKeyguardFadingAwayDuration() / 2).start();
            }
        } else if (mStatusBarState == StatusBarState.SHADE_LOCKED && statusBarState == StatusBarState.KEYGUARD) {
            mKeyguardStatusView.animate().cancel();
            mKeyguardStatusView.setVisibility(View.VISIBLE);
            mKeyguardStatusViewAnimating = true;
            mKeyguardStatusView.setAlpha(0f);
            mKeyguardStatusView.animate().alpha(1f).setStartDelay(0).setDuration(320)
                    .setInterpolator(PhoneStatusBar.ALPHA_IN)
                    .withEndAction(mAnimateKeyguardStatusViewVisibleEndRunnable);
        } else if (statusBarState == StatusBarState.KEYGUARD) {
            mKeyguardStatusView.animate().cancel();
            mKeyguardStatusViewAnimating = false;
            mKeyguardStatusView.setVisibility(View.VISIBLE);
            mKeyguardStatusView.setAlpha(1f);
        } else {
            mKeyguardStatusView.animate().cancel();
            mKeyguardStatusViewAnimating = false;
            mKeyguardStatusView.setVisibility(View.GONE);
            mKeyguardStatusView.setAlpha(1f);
        }
    }

    private void updateQsState() {
        boolean expandVisually = mQsExpanded || mStackScrollerOverscrolling || mHeaderAnimating;
        mHeader.setVisibility(
                (mQsExpanded || !mKeyguardShowing || mHeaderAnimating) ? View.VISIBLE : View.INVISIBLE);
        mHeader.setExpanded(
                ((mKeyguardShowing && !mHeaderAnimating) || (mQsExpanded && !mStackScrollerOverscrolling))
                        && mQsExpansionEnabled);
        mNotificationStackScroller.setScrollingEnabled(
                mStatusBarState != StatusBarState.KEYGUARD && (!mQsExpanded || mQsExpansionFromOverscroll));
        mQsPanel.setVisibility(expandVisually ? View.VISIBLE : View.INVISIBLE);
        /*mQsContainer.setVisibility(
            mKeyguardShowing && !expandVisually ? View.INVISIBLE : View.VISIBLE);*/
        //modify by mare begin ??mQsContainer
        mQsContainer.setVisibility(mQsExpansionEnabled ? View.VISIBLE : View.GONE);
        //modify by mare end
        if (QUICKSETTINGS_PAGE_INDEX == mCurPage) {
            mScrollView.setTouchEnabled(true);
        } else if (NOTIFICATION_PAGE_INDEX == mCurPage) {
            mScrollView.setTouchEnabled(false);
        }
        updateEmptyShadeView();
        mQsNavbarScrim.setVisibility(mStatusBarState == StatusBarState.SHADE && mQsExpanded
                && !mStackScrollerOverscrolling && mQsScrimEnabled ? View.VISIBLE : View.INVISIBLE);
        if (mKeyguardUserSwitcher != null && mQsExpanded && !mStackScrollerOverscrolling) {
            mKeyguardUserSwitcher.hideIfNotSimple(true /* animate */);
        }
    }

    private void setQsExpansion(float height) {
        logf("setQsExpansion() height = " + height);
        height = Math.min(Math.max(height, mQsMinExpansionHeight), mQsMaxExpansionHeight);
        mQsFullyExpanded = height == mQsMaxExpansionHeight;
        if ((height > mQsMinExpansionHeight && !mQsExpanded && !mStackScrollerOverscrolling)
                && mQsExpansionEnabled) {
            setQsExpanded(true);
        } else if (height <= mQsMinExpansionHeight && mQsExpanded) {
            setQsExpanded(false);
            if (mLastAnnouncementWasQuickSettings && !mTracking && !isCollapsing()) {
                announceForAccessibility(getKeyguardOrLockScreenString());
                mLastAnnouncementWasQuickSettings = false;
            }
        }
        mQsExpansionHeight = height;

        if (mQsExpansionEnabled) {
            mHeader.setExpansion(getHeaderExpansionFraction());
            setQsTranslation(height);
            requestScrollerTopPaddingUpdate(false /* animate */);
            updateNotificationScrim(height);
        }

        //add by mare 2017/2/24 begin
        //=========================>
        //?page1???
        mQsContainer_Qucii.setY(getHeaderTranslation());
        mQsContainer_Qucii.invalidate();
        //<=========================
        //add by mare 2017/2/24 end 

        if (mKeyguardShowing) {
            updateHeaderKeyguard();
        }
        if ((mStatusBarState == StatusBarState.SHADE_LOCKED || mStatusBarState == StatusBarState.KEYGUARD)
                && mQsExpansionEnabled) {
            updateKeyguardBottomAreaAlpha();
        }
        if (mStatusBarState == StatusBarState.SHADE && mQsExpanded && !mStackScrollerOverscrolling
                && mQsScrimEnabled) {
            mQsNavbarScrim.setAlpha(getQsExpansionFraction());
        }

        // Upon initialisation when we are not layouted yet we don't want to announce that we are
        // fully expanded, hence the != 0.0f check.
        if (height != 0.0f && mQsFullyExpanded && !mLastAnnouncementWasQuickSettings) {
            announceForAccessibility(getContext().getString(R.string.accessibility_desc_quick_settings));
            mLastAnnouncementWasQuickSettings = true;
        }
        if (DEBUG) {
            invalidate();
        }
    }

    private String getKeyguardOrLockScreenString() {
        if (mStatusBarState == StatusBarState.KEYGUARD) {
            return getContext().getString(R.string.accessibility_desc_lock_screen);
        } else {
            return getContext().getString(R.string.accessibility_desc_notification_shade);
        }
    }

    private void updateNotificationScrim(float height) {
        int startDistance = mQsMinExpansionHeight + mNotificationScrimWaitDistance;
        float progress = (height - startDistance) / (mQsMaxExpansionHeight - startDistance);
        progress = Math.max(0.0f, Math.min(progress, 1.0f));
    }

    private float getHeaderExpansionFraction() {
        if (!mKeyguardShowing) {
            return getQsExpansionFraction();
        } else {
            return 1f;
        }
    }

    private void setQsTranslation(float height) {
        logf(" mare  setQsTranslation() height    = " + height);
        if (!mHeaderAnimating) {
            mQsContainer.setY(height - mQsContainer.getDesiredHeight() + getHeaderTranslation());
        }
        //delete by mare 2017/2/24 begin
        //???
        //        if(mCurPage==QUICKSETTINGS_PAGE_INDEX&&!mQsExpansionEnabled){
        //            mQsContainer_Qucii.setY(getHeaderTranslation());
        //        }
        //delete by mare 2017/2/24 end 
        if (mKeyguardShowing && !mHeaderAnimating) {
            mHeader.setY(interpolate(getQsExpansionFraction(), -mHeader.getHeight(), 0));
        }
    }

    private float calculateQsTopPadding() {
        if (mKeyguardShowing && (mQsExpandImmediate || mIsExpanding && mQsExpandedWhenExpandingStarted)) {

            // Either QS pushes the notifications down when fully expanded, or QS is fully above the
            // notifications (mostly on tablets). maxNotifications denotes the normal top padding
            // on Keyguard, maxQs denotes the top padding from the quick settings panel. We need to
            // take the maximum and linearly interpolate with the panel expansion for a nice motion.
            int maxNotifications = mClockPositionResult.stackScrollerPadding
                    - mClockPositionResult.stackScrollerPaddingAdjustment - mNotificationTopPadding;
            int maxQs = getTempQsMaxExpansion();
            int max = mStatusBarState == StatusBarState.KEYGUARD ? Math.max(maxNotifications, maxQs) : maxQs;
            return (int) interpolate(getExpandedFraction(), mQsMinExpansionHeight, max);
        } else if (mQsSizeChangeAnimator != null) {
            return (int) mQsSizeChangeAnimator.getAnimatedValue();
        } else if (mKeyguardShowing && mScrollYOverride == -1) {

            // We can only do the smoother transition on Keyguard when we also are not collapsing
            // from a scrolled quick settings.
            return interpolate(getQsExpansionFraction(),
                    mNotificationStackScroller.getIntrinsicPadding() - mNotificationTopPadding,
                    mQsMaxExpansionHeight);
        } else {
            return mQsExpansionHeight;
        }
    }

    private void requestScrollerTopPaddingUpdate(boolean animate) {
        mNotificationStackScroller.updateTopPadding(calculateQsTopPadding(), mScrollView.getScrollY(),
                mAnimateNextTopPaddingChange || animate,
                mKeyguardShowing && (mQsExpandImmediate || mIsExpanding && mQsExpandedWhenExpandingStarted));
        mAnimateNextTopPaddingChange = false;
    }

    private void trackMovement(MotionEvent event) {
        if (mVelocityTracker != null)
            mVelocityTracker.addMovement(event);
        mLastTouchX = event.getX();
        mLastTouchY = event.getY();
    }

    private void initVelocityTracker() {
        if (mVelocityTracker != null) {
            mVelocityTracker.recycle();
        }
        mVelocityTracker = VelocityTracker.obtain();
    }

    private float getCurrentVelocity() {
        if (mVelocityTracker == null) {
            return 0;
        }
        mVelocityTracker.computeCurrentVelocity(1000);
        return mVelocityTracker.getYVelocity();
    }

    private void cancelQsAnimation() {
        if (mQsExpansionAnimator != null) {
            mQsExpansionAnimator.cancel();
        }
    }

    private void flingSettings(float vel, boolean expand) {
        flingSettings(vel, expand, null, false /* isClick */);
    }

    private void flingSettings(float vel, boolean expand, final Runnable onFinishRunnable, boolean isClick) {
        float target = expand ? mQsMaxExpansionHeight : mQsMinExpansionHeight;
        if (target == mQsExpansionHeight) {
            mScrollYOverride = -1;
            if (onFinishRunnable != null) {
                onFinishRunnable.run();
            }
            return;
        }
        boolean belowFalsingThreshold = isBelowFalsingThreshold();
        if (belowFalsingThreshold) {
            vel = 0;
        }
        mScrollView.setBlockFlinging(true);
        ValueAnimator animator = ValueAnimator.ofFloat(mQsExpansionHeight, target);
        if (isClick) {
            animator.setInterpolator(mTouchResponseInterpolator);
            animator.setDuration(368);
        } else {
            mFlingAnimationUtils.apply(animator, mQsExpansionHeight, target, vel);
        }
        if (belowFalsingThreshold) {
            animator.setDuration(350);
        }
        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                setQsExpansion((Float) animation.getAnimatedValue());
            }
        });
        animator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mScrollView.setBlockFlinging(false);
                mScrollYOverride = -1;
                mQsExpansionAnimator = null;
                if (onFinishRunnable != null) {
                    onFinishRunnable.run();
                }
            }
        });
        animator.start();
        mQsExpansionAnimator = animator;
        mQsAnimatorExpand = expand;
    }

    /**
     * @return Whether we should intercept a gesture to open Quick Settings.
     */
    private boolean shouldQuickSettingsIntercept(float x, float y, float yDiff) {
        if ((!mQsExpansionEnabled || mCollapsedOnDown) && mQsExpansionEnabled) {
            return false;
        }
        View header = mKeyguardShowing ? mKeyguardStatusBar : mHeader;
        boolean onHeader = x >= header.getX() && x <= header.getX() + header.getWidth() && y >= header.getTop()
                && y <= header.getBottom();
        if (mQsExpanded) {
            return onHeader || (mScrollView.isScrolledToBottom() && yDiff < 0) && isInQsArea(x, y);
        } else {
            return onHeader;
        }
    }

    @Override
    protected boolean isScrolledToBottom() {
        if (!isInSettings()) {
            return mStatusBar.getBarState() == StatusBarState.KEYGUARD
                    || mNotificationStackScroller.isScrolledToBottom();
        } else {
            return mScrollView.isScrolledToBottom();
        }
    }

    @Override
    protected int getMaxPanelHeight() {
        int min = mStatusBarMinHeight;
        if (mStatusBar.getBarState() != StatusBarState.KEYGUARD
                && mNotificationStackScroller.getNotGoneChildCount() == 0) {
            int minHeight = (int) ((mQsMinExpansionHeight + getOverExpansionAmount()) * HEADER_RUBBERBAND_FACTOR);
            min = Math.max(min, minHeight);
        }
        int maxHeight;
        if (mQsExpandImmediate || mQsExpanded || mIsExpanding && mQsExpandedWhenExpandingStarted) {
            maxHeight = calculatePanelHeightQsExpanded();
        } else {
            maxHeight = calculatePanelHeightShade();
        }
        maxHeight = Math.max(maxHeight, min);
        //add by mare 2017/3/15 begin      3/24 begin
        //========================>
        //?     
        //3/24?
        maxHeight = Math.max(maxHeight, mNotificationContainerParent.getMeasuredHeight());
        //add by mare 2017/3/15 end
        return maxHeight;
    }

    private boolean isInSettings() {
        logf("isInSettings() mQsExpanded = " + mQsExpanded);
        return mQsExpanded;
    }

    @Override
    protected void onHeightUpdated(float expandedHeight) {
        if (!mQsExpanded || mQsExpandImmediate || mIsExpanding && mQsExpandedWhenExpandingStarted) {
            positionClockAndNotifications();
        }
        if (mQsExpandImmediate
                || mQsExpanded && !mQsTracking && mQsExpansionAnimator == null && !mQsExpansionFromOverscroll) {
            float t;
            if (mKeyguardShowing) {

                // On Keyguard, interpolate the QS expansion linearly to the panel expansion
                t = expandedHeight / getMaxPanelHeight();
            } else {

                // In Shade, interpolate linearly such that QS is closed whenever panel height is
                // minimum QS expansion + minStackHeight
                float panelHeightQsCollapsed = mNotificationStackScroller.getIntrinsicPadding()
                        + mNotificationStackScroller.getMinStackHeight();
                float panelHeightQsExpanded = calculatePanelHeightQsExpanded();
                t = (expandedHeight - panelHeightQsCollapsed) / (panelHeightQsExpanded - panelHeightQsCollapsed);
            }
            setQsExpansion(mQsMinExpansionHeight + t * (getTempQsMaxExpansion() - mQsMinExpansionHeight));
        }
        updateStackHeight(expandedHeight);
        updateHeader();
        updateUnlockIcon();
        updateNotificationTranslucency();
        updatePanelExpanded();
        mNotificationStackScroller.setShadeExpanded(!isFullyCollapsed());
        if (DEBUG) {
            invalidate();
        }
    }

    private void updatePanelExpanded() {
        boolean isExpanded = !isFullyCollapsed();
        if (mPanelExpanded != isExpanded) {
            mHeadsUpManager.setIsExpanded(isExpanded);
            mStatusBar.setPanelExpanded(isExpanded);
            mPanelExpanded = isExpanded;
        }
    }

    /**
     * @return a temporary override of {@link #mQsMaxExpansionHeight}, which is needed when
     *         collapsing QS / the panel when QS was scrolled
     */
    private int getTempQsMaxExpansion() {
        int qsTempMaxExpansion = mQsMaxExpansionHeight;
        if (mScrollYOverride != -1) {
            qsTempMaxExpansion -= mScrollYOverride;
        }
        return qsTempMaxExpansion;
    }

    private int calculatePanelHeightShade() {
        int emptyBottomMargin = mNotificationStackScroller.getEmptyBottomMargin();
        int maxHeight = mNotificationStackScroller.getHeight() - emptyBottomMargin - mTopPaddingAdjustment;
        maxHeight += mNotificationStackScroller.getTopPaddingOverflow();
        return maxHeight;
    }

    private int calculatePanelHeightQsExpanded() {
        float notificationHeight = mNotificationStackScroller.getHeight()
                - mNotificationStackScroller.getEmptyBottomMargin() - mNotificationStackScroller.getTopPadding();

        // When only empty shade view is visible in QS collapsed state, simulate that we would have
        // it in expanded QS state as well so we don't run into troubles when fading the view in/out
        // and expanding/collapsing the whole panel from/to quick settings.
        if (mNotificationStackScroller.getNotGoneChildCount() == 0 && mShadeEmpty) {
            notificationHeight = mNotificationStackScroller.getEmptyShadeViewHeight()
                    + mNotificationStackScroller.getBottomStackPeekSize()
                    + mNotificationStackScroller.getCollapseSecondCardPadding();
        }
        int maxQsHeight = mQsMaxExpansionHeight;

        // If an animation is changing the size of the QS panel, take the animated value.
        if (mQsSizeChangeAnimator != null) {
            maxQsHeight = (int) mQsSizeChangeAnimator.getAnimatedValue();
        }
        float totalHeight = Math.max(maxQsHeight + mNotificationStackScroller.getNotificationTopPadding(),
                mStatusBarState == StatusBarState.KEYGUARD
                        ? mClockPositionResult.stackScrollerPadding - mTopPaddingAdjustment
                        : 0)
                + notificationHeight;
        if (totalHeight > mNotificationStackScroller.getHeight()) {
            float fullyCollapsedHeight = maxQsHeight + mNotificationStackScroller.getMinStackHeight()
                    + mNotificationStackScroller.getNotificationTopPadding() - getScrollViewScrollY();
            totalHeight = Math.max(fullyCollapsedHeight, mNotificationStackScroller.getHeight());
        }
        return (int) totalHeight;
    }

    private int getScrollViewScrollY() {
        if (mScrollYOverride != -1 && !mQsTracking) {
            return mScrollYOverride;
        } else {
            return mScrollView.getScrollY();
        }
    }

    private void updateNotificationTranslucency() {
        float alpha = 1f;
        if (mClosingWithAlphaFadeOut && !mExpandingFromHeadsUp && !mHeadsUpManager.hasPinnedHeadsUp()) {
            alpha = getFadeoutAlpha();
        }
        mNotificationStackScroller.setAlpha(alpha);
    }

    private float getFadeoutAlpha() {
        float alpha = (getNotificationsTopY() + mNotificationStackScroller.getItemHeight())
                / (mQsMinExpansionHeight + mNotificationStackScroller.getBottomStackPeekSize()
                        - mNotificationStackScroller.getCollapseSecondCardPadding());
        alpha = Math.max(0, Math.min(alpha, 1));
        alpha = (float) Math.pow(alpha, 0.75);
        return alpha;
    }

    @Override
    protected float getOverExpansionAmount() {
        return mNotificationStackScroller.getCurrentOverScrollAmount(true /* top */);
    }

    @Override
    protected float getOverExpansionPixels() {
        return mNotificationStackScroller.getCurrentOverScrolledPixels(true /* top */);
    }

    private void updateUnlockIcon() {
        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD
                || mStatusBar.getBarState() == StatusBarState.SHADE_LOCKED) {
            boolean active = getMaxPanelHeight() - getExpandedHeight() > mUnlockMoveDistance;
            KeyguardAffordanceView lockIcon = mKeyguardBottomArea.getLockIcon();
            if (active && !mUnlockIconActive && mTracking) {
                lockIcon.setImageAlpha(1.0f, true, 150, mFastOutLinearInterpolator, null);
                lockIcon.setImageScale(LOCK_ICON_ACTIVE_SCALE, true, 150, mFastOutLinearInterpolator);
            } else if (!active && mUnlockIconActive && mTracking) {
                lockIcon.setImageAlpha(lockIcon.getRestingAlpha(), true /* animate */, 150,
                        mFastOutLinearInterpolator, null);
                lockIcon.setImageScale(1.0f, true, 150, mFastOutLinearInterpolator);
            }
            mUnlockIconActive = active;
        }
    }

    /**
     * Hides the header when notifications are colliding with it.
     */
    private void updateHeader() {
        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
            updateHeaderKeyguard();
        } else {
            updateHeaderShade();
        }

    }

    private void updateHeaderShade() {
        if (!mHeaderAnimating) {
            mHeader.setTranslationY(getHeaderTranslation());
        }
        setQsTranslation(mQsExpansionHeight);
    }

    private float getHeaderTranslation() {
        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
            return 0;
        }
        if (mNotificationStackScroller.getNotGoneChildCount() == 0) {
            if (mExpandedHeight / HEADER_RUBBERBAND_FACTOR >= mQsMinExpansionHeight) {
                return 0;
            } else {
                return mExpandedHeight / HEADER_RUBBERBAND_FACTOR - mQsMinExpansionHeight;
            }
        }
        float stackTranslation = mNotificationStackScroller.getStackTranslation();
        float translation = stackTranslation / HEADER_RUBBERBAND_FACTOR;
        //modify by mare 2017/3/1 begin
        //===================>
        //??
        if (mStatusBarState != StatusBarState.KEYGUARD) {
            translation = mNotificationStackScroller.getTopPadding() + stackTranslation - mNotificationTopPadding
                    - mQsMinExpansionHeight;
        }
        //        if (mHeadsUpManager.hasPinnedHeadsUp() || mIsExpansionFromHeadsUp) {
        //            translation = mNotificationStackScroller.getTopPadding() + stackTranslation
        //                    - mNotificationTopPadding - mQsMinExpansionHeight;
        //        }
        //===================>
        //modify by mare 2017/3/1 end
        return Math.min(0, translation);
    }

    /**
     * @return the alpha to be used to fade out the contents on Keyguard (status bar, bottom area)
     *         during swiping up
     */
    private float getKeyguardContentsAlpha() {
        float alpha;
        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) {

            // When on Keyguard, we hide the header as soon as the top card of the notification
            // stack scroller is close enough (collision distance) to the bottom of the header.
            alpha = getNotificationsTopY() / (mKeyguardStatusBar.getHeight() + mNotificationsHeaderCollideDistance);
        } else {

            // In SHADE_LOCKED, the top card is already really close to the header. Hide it as
            // soon as we start translating the stack.
            alpha = getNotificationsTopY() / mKeyguardStatusBar.getHeight();
        }
        alpha = MathUtils.constrain(alpha, 0, 1);
        alpha = (float) Math.pow(alpha, 0.75);
        return alpha;
    }

    private void updateHeaderKeyguardAlpha() {
        float alphaQsExpansion = 1 - Math.min(1, getQsExpansionFraction() * 2);
        mKeyguardStatusBar
                .setAlpha(Math.min(getKeyguardContentsAlpha(), alphaQsExpansion) * mKeyguardStatusBarAnimateAlpha);
        mKeyguardStatusBar.setVisibility(mKeyguardStatusBar.getAlpha() != 0f && !mDozing ? VISIBLE : INVISIBLE);
    }

    private void updateHeaderKeyguard() {
        updateHeaderKeyguardAlpha();
        setQsTranslation(mQsExpansionHeight);
    }

    private void updateKeyguardBottomAreaAlpha() {
        float alpha = Math.min(getKeyguardContentsAlpha(), 1 - getQsExpansionFraction());
        mKeyguardBottomArea.setAlpha(alpha);
        mKeyguardBottomArea.setImportantForAccessibility(
                alpha == 0f ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS : IMPORTANT_FOR_ACCESSIBILITY_AUTO);
    }

    private float getNotificationsTopY() {
        if (mNotificationStackScroller.getNotGoneChildCount() == 0) {
            return getExpandedHeight();
        }
        return mNotificationStackScroller.getNotificationsTopY();
    }

    @Override
    protected void onExpandingStarted() {
        super.onExpandingStarted();
        mNotificationStackScroller.onExpansionStarted();
        mIsExpanding = true;
        mQsExpandedWhenExpandingStarted = mQsFullyExpanded;
        if (mQsExpanded) {
            onQsExpansionStarted();
        }
    }

    @Override
    protected void onExpandingFinished() {
        super.onExpandingFinished();
        mNotificationStackScroller.onExpansionStopped();
        mHeadsUpManager.onExpandingFinished();
        mIsExpanding = false;
        mScrollYOverride = -1;
        if (isFullyCollapsed()) {
            DejankUtils.postAfterTraversal(new Runnable() {
                @Override
                public void run() {
                    setListening(false);
                }
            });

            // Workaround b/22639032: Make sure we invalidate something because else RenderThread
            // thinks we are actually drawing a frame put in reality we don't, so RT doesn't go
            // ahead with rendering and we jank.
            postOnAnimation(new Runnable() {
                @Override
                public void run() {
                    getParent().invalidateChild(NotificationPanelView.this, mDummyDirtyRect);
                }
            });
        } else {
            setListening(true);
        }
        mQsExpandImmediate = false;
        mTwoFingerQsExpandPossible = false;
        mIsExpansionFromHeadsUp = false;
        mNotificationStackScroller.setTrackingHeadsUp(false);
        mExpandingFromHeadsUp = false;
        setPanelScrimMinFraction(0.0f);
    }

    private void setListening(boolean listening) {
        mHeader.setListening(listening);
        //mKeyguardStatusBar.setListening(listening);//remove by yangfan
        mQsPanel.setListening(listening);
        mQsPanel_Qucii.setListening(true);
    }

    @Override
    public void instantExpand() {
        super.instantExpand();
        setListening(true);
    }

    @Override
    protected void setOverExpansion(float overExpansion, boolean isPixels) {
        if (mConflictingQsExpansionGesture || mQsExpandImmediate) {
            return;
        }
        if (mStatusBar.getBarState() != StatusBarState.KEYGUARD) {
            mNotificationStackScroller.setOnHeightChangedListener(null);
            if (isPixels) {
                mNotificationStackScroller.setOverScrolledPixels(overExpansion, true /* onTop */,
                        false /* animate */);
            } else {
                mNotificationStackScroller.setOverScrollAmount(overExpansion, true /* onTop */,
                        false /* animate */);
            }
            mNotificationStackScroller.setOnHeightChangedListener(this);
        }
    }

    @Override
    protected void onTrackingStarted() {
        super.onTrackingStarted();
        if (mQsFullyExpanded) {
            mQsExpandImmediate = true;
        }
        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD
                || mStatusBar.getBarState() == StatusBarState.SHADE_LOCKED) {
            mAfforanceHelper.animateHideLeftRightIcon();
        }
        mNotificationStackScroller.onPanelTrackingStarted();
    }

    @Override
    protected void onTrackingStopped(boolean expand) {
        super.onTrackingStopped(expand);
        if (expand) {
            mNotificationStackScroller.setOverScrolledPixels(0.0f, true /* onTop */, true /* animate */);
        }
        mNotificationStackScroller.onPanelTrackingStopped();
        if (expand && (mStatusBar.getBarState() == StatusBarState.KEYGUARD
                || mStatusBar.getBarState() == StatusBarState.SHADE_LOCKED)) {
            if (!mHintAnimationRunning) {
                mAfforanceHelper.reset(true);
            }
        }
        if (!expand && (mStatusBar.getBarState() == StatusBarState.KEYGUARD
                || mStatusBar.getBarState() == StatusBarState.SHADE_LOCKED)) {
            KeyguardAffordanceView lockIcon = mKeyguardBottomArea.getLockIcon();
            lockIcon.setImageAlpha(0.0f, true, 100, mFastOutLinearInterpolator, null);
            lockIcon.setImageScale(2.0f, true, 100, mFastOutLinearInterpolator);
        }
    }

    @Override
    public void onHeightChanged(ExpandableView view, boolean needsAnimation) {

        // Block update if we are in quick settings and just the top padding changed
        // (i.e. view == null).
        if (view == null && mQsExpanded) {
            return;
        }
        requestPanelHeightUpdate();
    }

    @Override
    public void onReset(ExpandableView view) {
    }

    @Override
    public void onScrollChanged() {
        if (mQsExpanded) {
            requestScrollerTopPaddingUpdate(false /* animate */);
            requestPanelHeightUpdate();
        }
    }

    @Override
    protected void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        mAfforanceHelper.onConfigurationChanged();
        if (newConfig.orientation != mLastOrientation) {
            resetVerticalPanelPosition();
        }
        mLastOrientation = newConfig.orientation;
    }

    @Override
    public WindowInsets onApplyWindowInsets(WindowInsets insets) {
        mNavigationBarBottomHeight = insets.getSystemWindowInsetBottom();
        updateMaxHeadsUpTranslation();
        return insets;
    }

    private void updateMaxHeadsUpTranslation() {
        mNotificationStackScroller.setHeadsUpBoundaries(getHeight(),
                mNavigationBarBottomHeight + getResources().getDimensionPixelSize(R.dimen.close_handle_underlap));
    }

    @Override
    public void onRtlPropertiesChanged(int layoutDirection) {
        if (layoutDirection != mOldLayoutDirection) {
            mAfforanceHelper.onRtlPropertiesChanged();
            mOldLayoutDirection = layoutDirection;
        }
    }

    @Override
    public void onClick(View v) {
        if (v == mHeader) {
            onQsExpansionStarted();
            if (mQsExpanded) {
                flingSettings(0 /* vel */, false /* expand */, null, true /* isClick */);
            } else if (mQsExpansionEnabled) {
                EventLogTags.writeSysuiLockscreenGesture(EventLogConstants.SYSUI_TAP_TO_OPEN_QS, 0, 0);
                flingSettings(0 /* vel */, true /* expand */, null, true /* isClick */);
            }
        }
    }

    @Override
    public void onAnimationToSideStarted(boolean rightPage, float translation, float vel) {
        boolean start = getLayoutDirection() == LAYOUT_DIRECTION_RTL ? rightPage : !rightPage;
        mIsLaunchTransitionRunning = true;
        mLaunchAnimationEndRunnable = null;
        float displayDensity = mStatusBar.getDisplayDensity();
        int lengthDp = Math.abs((int) (translation / displayDensity));
        int velocityDp = Math.abs((int) (vel / displayDensity));
        if (start) {
            EventLogTags.writeSysuiLockscreenGesture(EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_SWIPE_DIALER,
                    lengthDp, velocityDp);
            mKeyguardBottomArea.launchLeftAffordance();
        } else {
            if (KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_AFFORDANCE.equals(mLastCameraLaunchSource)) {
                EventLogTags.writeSysuiLockscreenGesture(EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_SWIPE_CAMERA,
                        lengthDp, velocityDp);
            }
            mKeyguardBottomArea.launchCamera(mLastCameraLaunchSource);
        }
        mStatusBar.startLaunchTransitionTimeout();
        mBlockTouches = true;
    }

    @Override
    public void onAnimationToSideEnded() {
        mIsLaunchTransitionRunning = false;
        mIsLaunchTransitionFinished = true;
        if (mLaunchAnimationEndRunnable != null) {
            mLaunchAnimationEndRunnable.run();
            mLaunchAnimationEndRunnable = null;
        }
    }

    @Override
    protected void startUnlockHintAnimation() {
        super.startUnlockHintAnimation();
        startHighlightIconAnimation(getCenterIcon());
    }

    /**
     * Starts the highlight (making it fully opaque) animation on an icon.
     */
    private void startHighlightIconAnimation(final KeyguardAffordanceView icon) {
        icon.setImageAlpha(1.0f, true, KeyguardAffordanceHelper.HINT_PHASE1_DURATION, mFastOutSlowInInterpolator,
                new Runnable() {
                    @Override
                    public void run() {
                        icon.setImageAlpha(icon.getRestingAlpha(), true /* animate */,
                                KeyguardAffordanceHelper.HINT_PHASE1_DURATION, mFastOutSlowInInterpolator, null);
                    }
                });
    }

    @Override
    public float getMaxTranslationDistance() {
        return (float) Math.hypot(getWidth(), getHeight());
    }

    @Override
    public void onSwipingStarted(boolean rightIcon) {
        boolean camera = getLayoutDirection() == LAYOUT_DIRECTION_RTL ? !rightIcon : rightIcon;
        if (camera) {
            mKeyguardBottomArea.bindCameraPrewarmService();
        }
        requestDisallowInterceptTouchEvent(true);
        mOnlyAffordanceInThisMotion = true;
        mQsTracking = false;
    }

    @Override
    public void onSwipingAborted() {
        mKeyguardBottomArea.unbindCameraPrewarmService(false /* launched */);
    }

    @Override
    public void onIconClicked(boolean rightIcon) {
        if (mHintAnimationRunning) {
            return;
        }
        mHintAnimationRunning = true;
        mAfforanceHelper.startHintAnimation(rightIcon, new Runnable() {
            @Override
            public void run() {
                mHintAnimationRunning = false;
                mStatusBar.onHintFinished();
            }
        });
        rightIcon = getLayoutDirection() == LAYOUT_DIRECTION_RTL ? !rightIcon : rightIcon;
        if (rightIcon) {
            mStatusBar.onCameraHintStarted();
        } else {
            if (mKeyguardBottomArea.isLeftVoiceAssist()) {
                mStatusBar.onVoiceAssistHintStarted();
            } else {
                mStatusBar.onPhoneHintStarted();
            }
        }
    }

    @Override
    public KeyguardAffordanceView getLeftIcon() {
        return getLayoutDirection() == LAYOUT_DIRECTION_RTL ? mKeyguardBottomArea.getRightView()
                : mKeyguardBottomArea.getLeftView();
    }

    @Override
    public KeyguardAffordanceView getCenterIcon() {
        return mKeyguardBottomArea.getLockIcon();
    }

    @Override
    public KeyguardAffordanceView getRightIcon() {
        return getLayoutDirection() == LAYOUT_DIRECTION_RTL ? mKeyguardBottomArea.getLeftView()
                : mKeyguardBottomArea.getRightView();
    }

    @Override
    public View getLeftPreview() {
        return getLayoutDirection() == LAYOUT_DIRECTION_RTL ? mKeyguardBottomArea.getRightPreview()
                : mKeyguardBottomArea.getLeftPreview();
    }

    @Override
    public View getRightPreview() {
        return getLayoutDirection() == LAYOUT_DIRECTION_RTL ? mKeyguardBottomArea.getLeftPreview()
                : mKeyguardBottomArea.getRightPreview();
    }

    @Override
    public float getAffordanceFalsingFactor() {
        return mStatusBar.isWakeUpComingFromTouch() ? 1.5f : 1.0f;
    }

    @Override
    protected float getPeekHeight() {
        if (mNotificationStackScroller.getNotGoneChildCount() > 0) {
            return mNotificationStackScroller.getPeekHeight();
        } else {
            return mQsMinExpansionHeight * HEADER_RUBBERBAND_FACTOR;
        }
    }

    @Override
    protected float getCannedFlingDurationFactor() {
        if (mQsExpanded) {
            return 0.7f;
        } else {
            return 0.6f;
        }
    }

    @Override
    protected boolean fullyExpandedClearAllVisible() {
        return mNotificationStackScroller.isDismissViewNotGone() && mNotificationStackScroller.isScrolledToBottom()
                && !mQsExpandImmediate;
    }

    @Override
    protected boolean isClearAllVisible() {
        return mNotificationStackScroller.isDismissViewVisible();
    }

    @Override
    protected int getClearAllHeight() {
        return mNotificationStackScroller.getDismissViewHeight();
    }

    @Override
    protected boolean isTrackingBlocked() {
        return mConflictingQsExpansionGesture && mQsExpanded;
    }

    public void notifyVisibleChildrenChanged() {
        if (mNotificationStackScroller.getNotGoneChildCount() != 0) {
            mReserveNotificationSpace.setVisibility(View.VISIBLE);
        } else {
            mReserveNotificationSpace.setVisibility(View.GONE);
        }
    }

    public boolean isQsExpanded() {
        return mQsExpanded;
    }

    public boolean isQsDetailShowing() {
        return mQsPanel.isShowingDetail();
    }

    public void closeQsDetail() {
        mQsPanel.closeDetail();
    }

    @Override
    public boolean shouldDelayChildPressedState() {
        return true;
    }

    public boolean isLaunchTransitionFinished() {
        return mIsLaunchTransitionFinished;
    }

    public boolean isLaunchTransitionRunning() {
        return mIsLaunchTransitionRunning;
    }

    public void setLaunchTransitionEndRunnable(Runnable r) {
        mLaunchAnimationEndRunnable = r;
    }

    public void setEmptyDragAmount(float amount) {
        float factor = 0.8f;
        if (mNotificationStackScroller.getNotGoneChildCount() > 0) {
            factor = 0.4f;
        } else if (!mStatusBar.hasActiveNotifications()) {
            factor = 0.4f;
        }
        mEmptyDragAmount = amount * factor;
        positionClockAndNotifications();
    }

    private static float interpolate(float t, float start, float end) {
        return (1 - t) * start + t * end;
    }

    public void setDozing(boolean dozing, boolean animate) {
        if (dozing == mDozing)
            return;
        mDozing = dozing;
        if (mStatusBarState == StatusBarState.KEYGUARD) {
            updateDozingVisibilities(animate);
        }
    }

    private void updateDozingVisibilities(boolean animate) {
        if (mDozing) {
            mKeyguardStatusBar.setVisibility(View.INVISIBLE);
            mKeyguardBottomArea.setVisibility(View.INVISIBLE);
        } else {
            mKeyguardBottomArea.setVisibility(View.VISIBLE);
            mKeyguardStatusBar.setVisibility(View.VISIBLE);
            if (animate) {
                animateKeyguardStatusBarIn(DOZE_ANIMATION_DURATION);
                mKeyguardBottomArea.startFinishDozeAnimation();
            }
        }
    }

    @Override
    public boolean isDozing() {
        return mDozing;
    }

    public void setShadeEmpty(boolean shadeEmpty) {
        mShadeEmpty = shadeEmpty;
        updateEmptyShadeView();
    }

    private void updateEmptyShadeView() {

        // Hide "No notifications" in QS.
        mNotificationStackScroller.updateEmptyShadeView(mShadeEmpty && !mQsExpanded);
    }

    public void setQsScrimEnabled(boolean qsScrimEnabled) {
        boolean changed = mQsScrimEnabled != qsScrimEnabled;
        mQsScrimEnabled = qsScrimEnabled;
        if (changed) {
            updateQsState();
        }
    }

    public void setKeyguardUserSwitcher(KeyguardUserSwitcher keyguardUserSwitcher) {
        mKeyguardUserSwitcher = keyguardUserSwitcher;
    }

    private final Runnable mUpdateHeader = new Runnable() {
        @Override
        public void run() {
            mHeader.updateEverything();
        }
    };

    public void onScreenTurningOn() {
        mKeyguardStatusView.refreshTime();
    }

    @Override
    public void onEmptySpaceClicked(float x, float y) {
        onEmptySpaceClick(x);
    }

    protected boolean onMiddleClicked() {
        switch (mStatusBar.getBarState()) {
        case StatusBarState.KEYGUARD:
            if (!mDozingOnDown) {
                EventLogTags.writeSysuiLockscreenGesture(EventLogConstants.SYSUI_LOCKSCREEN_GESTURE_TAP_UNLOCK_HINT,
                        0 /* lengthDp - N/A */, 0 /* velocityDp - N/A */);
                // hsp 2016-09-27 : If user have open double click go to sleep
                // settings,
                // we don't want to show animation
                boolean isClickToSleep = (Settings.System.getInt(getContext().getContentResolver(),
                        "dblclick_gotosleep", 0) == 1);
                if (!isClickToSleep) {
                    startUnlockHintAnimation();
                }

                // added by dongwei-2017-2-17 : Double click to go to sleep, move code from
                // ViewGroup to here,{start
                if (isClickToSleep) {
                    if (mFirstClickTime > 0) {
                        mSecondClickTime = System.currentTimeMillis();
                        if (mSecondClickTime - mFirstClickTime < 500) {
                            Intent intent = new Intent(ACTION_DOUBLE_CLICK_GOTOSLEEP);
                            // Send broadcast to PhoneWindowManager to go to
                            // sleep
                            mContext.sendBroadcast(intent);
                            mFirstClickTime = 0;
                            Log.d("zolen", "Intercept the key Double click for go to sleep");
                        }
                    }
                    mFirstClickTime = System.currentTimeMillis();
                }
                // added by dongwei-17-2-17,end}

            }
            return true;
        case StatusBarState.SHADE_LOCKED:
            if (!mQsExpanded) {
                mStatusBar.goToKeyguard();
            }
            return true;
        case StatusBarState.SHADE:

            // This gets called in the middle of the touch handling, where the
            // state is still
            // that we are tracking the panel. Collapse the panel after this is
            // done.
            post(mPostCollapseRunnable);
            return false;
        default:
            return true;
        }
    }

    @Override
    protected void dispatchDraw(Canvas canvas) {
        super.dispatchDraw(canvas);
        if (DEBUG) {
            Paint p = new Paint();
            p.setColor(Color.RED);
            p.setStrokeWidth(2);
            p.setStyle(Paint.Style.STROKE);
            canvas.drawLine(0, getMaxPanelHeight(), getWidth(), getMaxPanelHeight(), p);
            p.setColor(Color.BLUE);
            canvas.drawLine(0, getExpandedHeight(), getWidth(), getExpandedHeight(), p);
            p.setColor(Color.GREEN);
            canvas.drawLine(0, calculatePanelHeightQsExpanded(), getWidth(), calculatePanelHeightQsExpanded(), p);
            p.setColor(Color.YELLOW);
            canvas.drawLine(0, calculatePanelHeightShade(), getWidth(), calculatePanelHeightShade(), p);
            p.setColor(Color.MAGENTA);
            canvas.drawLine(0, calculateQsTopPadding(), getWidth(), calculateQsTopPadding(), p);
            p.setColor(Color.CYAN);
            canvas.drawLine(0, mNotificationStackScroller.getTopPadding(), getWidth(),
                    mNotificationStackScroller.getTopPadding(), p);
        }
    }

    @Override
    public void onHeadsUpPinnedModeChanged(final boolean inPinnedMode) {
        if (inPinnedMode) {
            //add by mare ????? begin
            if (mStatusBarState != StatusBarState.KEYGUARD) {
                if (!mPanelExpanded) {
                    setBackground(null);
                    updateIndicatorVisibility(GONE);// gone indicator by yangfan
                } else {
                    mHeadsUpManager.unpinAll();
                }
            }
            //add by mare ????? end
            //           setBackgroundResource(0); // clear bg by yangfan
            mHeadsUpExistenceChangedRunnable.run();
            updateNotificationTranslucency();
        } else {
            //add by mare ????? begin
            //remove by mare
            //          if (mStatusBarState != StatusBarState.KEYGUARD) {
            //             mStatusBar.blurPanelBg();// blurred bg by yangfan 
            //          }
            //remove by mare
            //add by mare ????? end

            mHeadsUpAnimatingAway = true;
            mNotificationStackScroller.runAfterAnimationFinished(mHeadsUpExistenceChangedRunnable);
        }
    }

    @Override
    public void onHeadsUpPinned(ExpandableNotificationRow headsUp) {
        mNotificationStackScroller.generateHeadsUpAnimation(headsUp, true);
    }

    @Override
    public void onHeadsUpUnPinned(ExpandableNotificationRow headsUp) {
    }

    @Override
    public void onHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp) {
        mNotificationStackScroller.generateHeadsUpAnimation(entry.row, isHeadsUp);
        //add by mare 2017/3/22 begin
        //========================>
        //
        mHeadUpLayoutHeight = entry.row.getIntrinsicHeight();
        //add by mare 2017/3/22 end
    }

    @Override
    public void setHeadsUpManager(HeadsUpManager headsUpManager) {
        super.setHeadsUpManager(headsUpManager);
        mHeadsUpTouchHelper = new HeadsUpTouchHelper(headsUpManager, mNotificationStackScroller, this);
    }

    public void setTrackingHeadsUp(boolean tracking) {
        if (tracking) {
            mNotificationStackScroller.setTrackingHeadsUp(true);
            mExpandingFromHeadsUp = true;
        }
        // otherwise we update the state when the expansion is finished
    }

    @Override
    protected void onClosingFinished() {
        super.onClosingFinished();
        resetVerticalPanelPosition();
        setClosingWithAlphaFadeout(false);
    }

    private void setClosingWithAlphaFadeout(boolean closing) {
        mClosingWithAlphaFadeOut = closing;
        mNotificationStackScroller.forceNoOverlappingRendering(closing);
    }

    /**
     * Updates the vertical position of the panel so it is positioned closer to the touch
     * responsible for opening the panel.
     *
     * @param x the x-coordinate the touch event
     */
    private void updateVerticalPanelPosition(float x) {
        if (mNotificationStackScroller.getWidth() * 1.75f > getWidth()) {
            resetVerticalPanelPosition();
            return;
        }
        float leftMost = mPositionMinSideMargin + mNotificationStackScroller.getWidth() / 2;
        float rightMost = getWidth() - mPositionMinSideMargin - mNotificationStackScroller.getWidth() / 2;
        if (Math.abs(x - getWidth() / 2) < mNotificationStackScroller.getWidth() / 4) {
            x = getWidth() / 2;
        }
        x = Math.min(rightMost, Math.max(leftMost, x));
        setVerticalPanelTranslation(
                x - (mNotificationStackScroller.getLeft() + mNotificationStackScroller.getWidth() / 2));
    }

    private void resetVerticalPanelPosition() {
        setVerticalPanelTranslation(0f);
    }

    private void setVerticalPanelTranslation(float translation) {
        mNotificationStackScroller.setTranslationX(translation);
        mScrollView.setTranslationX(translation);
        mHeader.setTranslationX(translation);
    }

    private void updateStackHeight(float stackHeight) {
        mNotificationStackScroller.setStackHeight(stackHeight);
        updateKeyguardBottomAreaAlpha();
    }

    public void setPanelScrimMinFraction(float minFraction) {
        mBar.panelScrimMinFractionChanged(minFraction);
    }

    public void clearNotificattonEffects() {
        mStatusBar.clearNotificationEffects();
    }

    protected boolean isPanelVisibleBecauseOfHeadsUp() {
        return mHeadsUpManager.hasPinnedHeadsUp() || mHeadsUpAnimatingAway;
    }

    @Override
    public boolean hasOverlappingRendering() {
        return !mDozing;
    }

    public void launchCamera(boolean animate, int source) {
        if (source == StatusBarManager.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP) {
            mLastCameraLaunchSource = KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP;
        } else if (source == StatusBarManager.CAMERA_LAUNCH_SOURCE_WIGGLE) {
            mLastCameraLaunchSource = KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_WIGGLE;
        } else {

            // Default.
            mLastCameraLaunchSource = KeyguardBottomAreaView.CAMERA_LAUNCH_SOURCE_AFFORDANCE;
        }

        // If we are launching it when we are occluded already we don't want it to animate,
        // nor setting these flags, since the occluded state doesn't change anymore, hence it's
        // never reset.
        if (!isFullyCollapsed()) {
            mLaunchingAffordance = true;
            setLaunchingAffordance(true);
        } else {
            animate = false;
        }
        mAfforanceHelper.launchAffordance(animate, getLayoutDirection() == LAYOUT_DIRECTION_RTL);
    }

    public void onAffordanceLaunchEnded() {
        mLaunchingAffordance = false;
        setLaunchingAffordance(false);
    }

    /**
     * Set whether we are currently launching an affordance. This is currently only set when
     * launched via a camera gesture.
     */
    private void setLaunchingAffordance(boolean launchingAffordance) {
        getLeftIcon().setLaunchingAffordance(launchingAffordance);
        getRightIcon().setLaunchingAffordance(launchingAffordance);
        getCenterIcon().setLaunchingAffordance(launchingAffordance);
    }

    /**
     * Whether the camera application can be launched for the camera launch gesture.
     *
     * @param keyguardIsShowing whether keyguard is being shown
     */
    public boolean canCameraGestureBeLaunched(boolean keyguardIsShowing) {
        ResolveInfo resolveInfo = mKeyguardBottomArea.resolveCameraIntent();
        String packageToLaunch = (resolveInfo == null || resolveInfo.activityInfo == null) ? null
                : resolveInfo.activityInfo.packageName;
        return packageToLaunch != null && (keyguardIsShowing || !isForegroundApp(packageToLaunch))
                && !mAfforanceHelper.isSwipingInProgress();
    }

    /**
     * Return true if the applications with the package name is running in foreground.
     *
     * @param pkgName application package name.
     */
    private boolean isForegroundApp(String pkgName) {
        ActivityManager am = getContext().getSystemService(ActivityManager.class);
        List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
        return !tasks.isEmpty() && pkgName.equals(tasks.get(0).topActivity.getPackageName());
    }

    @Override
    public void onPageScrollStateChanged(int arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onPageScrolled(int arg0, float arg1, int arg2) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onPageSelected(int pageIndex) {
        mCurPage = pageIndex;
        updateQsState();
    }

    public boolean isNotificationView() {
        return (mCurPage != QUICKSETTINGS_PAGE_INDEX);
    }

    // added by yangfan       
    @Override
    public void updateIndicatorVisibility(int vis) {
        if (mIndicator.getVisibility() == vis) {
            return;
        }
        mIndicator.setVisibility(vis);
        //add by mare 2017/3/15 begin
        //=========================>
        //
        mArrowLayout.setVisibility(vis);
        //add by mare 2017/3/15 end
    }
    // added by yangfan    end

    //add by mare 2017/3/15 begin
    //=========================>
    //????layout???
    int mChangedBottom;
    int noBottom;

    public int getChangedBottom() {
        return mChangedBottom;
    }

    protected void qucii_TouchMove_resetLayout(float newHeight) {

        if (mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
            mChangedBottom = mNotificationContainerParent.getMeasuredHeight();
            noBottom = mChangedBottom;
            if (getBottom() != mChangedBottom) {
                setBottom(mChangedBottom);
                mNotificationContainerParent.setBottom(mChangedBottom);
            }
        } else {
            int mPanelHeight = Math.max(0, (int) newHeight);
            mPanelHeight = Math.min(mPanelHeight, getMaxPanelHeight());
            if (SystemProperties.getBoolean("persist.sys.navg_bar_visible", false) && !isScreenLand()) {
                mPanelHeight = Math.min(mPanelHeight, getMaxPanelHeight() - mBarSize);
            }
            changeIndicatorVisable(mPanelHeight);
            setBottom(mPanelHeight);
            mChangedBottom = mPanelHeight;
            int arrowHeight = mArrowLayout.getMeasuredHeight();
            noBottom = Math.max(-arrowHeight, mPanelHeight - arrowHeight);
            mNotificationContainerParent.setBottom(noBottom);
            mHeader.setBottom(Math.min(noBottom, mHeader.getMeasuredHeight()));
            mArrowLayout.layout(mArrowLayout.getLeft(), noBottom, mArrowLayout.getRight(), noBottom + arrowHeight);
        }
    }
    //add by mare 2017/3/15 end

    //modify by mare 2017/3/24 begin
    //========================>
    //????
    public void changeIndicatorVisable(int mPanelHeight) {
        boolean isMax = (mPanelHeight == getMaxPanelHeight());
        if (SystemProperties.getBoolean("persist.sys.navg_bar_visible", false) && !isScreenLand()) {
            isMax = (mPanelHeight == getMaxPanelHeight() - mBarSize);
        }

        if (isMax) {
            if (mArrow.getVisibility() == View.INVISIBLE) {
                return;
            }
            mIndicator.setVisibility(View.VISIBLE);
            mArrow.setVisibility(View.INVISIBLE);
        } else {
            if (mArrow.getVisibility() == View.VISIBLE) {
                return;
            }
            mIndicator.setVisibility(View.INVISIBLE);
            mArrow.setVisibility(View.VISIBLE);
        }
    }
    //modify by mare 2017/3/24 end

    public void collapseAllPanels() {
        mStatusBar.animateCollapsePanels();
    }

    public void dismissKeyguard(float vel) {
        fling(vel, false);
    }

    //added by yangfan begin
    public boolean isQsExpansionEnabled() {
        return mQsExpansionEnabled;
    }

    public void showPage(int page) {
        mNotificationsViewPager.setCurrentItem(page);
        onPageSelected(page);
    }
    //added by yangfan end

    //modify by mare 2017/3/24 begin
    //========================>
    //??
    public boolean isScreenLand() {

        Configuration mConfiguration = null;
        if (mConfiguration == null) {
            mConfiguration = this.getResources().getConfiguration(); // ???
        }
        int ori = mConfiguration.orientation; // ???

        if (ori == mConfiguration.ORIENTATION_LANDSCAPE) {
            // ?
            return true;
        } else if (ori == mConfiguration.ORIENTATION_PORTRAIT) {
            // ?
            return false;
        }
        return false;
    }
    //modify by mare 2017/3/24 end

}