Example usage for android.view MotionEvent getAction

List of usage examples for android.view MotionEvent getAction

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Introduction

In this page you can find the example usage for android.view MotionEvent getAction.

Prototype

public final int getAction()

Source Link

Document

Return the kind of action being performed.

Usage

From source file:com.appunite.list.AbsListView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    int action = ev.getAction();
    View v;/*from  w  w w. j a  v  a 2  s .  co  m*/

    if (mPositionScroller != null) {
        mPositionScroller.stop();
    }

    if (!mIsAttached) {
        // Something isn't right.
        // Since we rely on being attached to get data set change notifications,
        // don't risk doing anything where we might try to resync and find things
        // in a bogus state.
        return false;
    }

    if (mFastScroller != null) {
        boolean intercepted = mFastScroller.onInterceptTouchEvent(ev);
        if (intercepted) {
            return true;
        }
    }

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        int touchMode = mTouchMode;
        if (touchMode == TOUCH_MODE_OVERFLING || touchMode == TOUCH_MODE_OVERSCROLL) {
            mMotionCorrection = 0;
            return true;
        }

        final int x = (int) ev.getX();
        final int y = (int) ev.getY();
        mActivePointerId = ev.getPointerId(0);

        int motionPosition = findMotionRow(y);
        if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) {
            // User clicked on an actual view (and was not stopping a fling).
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            mMotionViewOriginalTop = v.getTop();
            mMotionX = x;
            mMotionY = y;
            mMotionPosition = motionPosition;
            mTouchMode = TOUCH_MODE_DOWN;
            clearScrollingCache();
        }
        mLastY = Integer.MIN_VALUE;
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);
        if (touchMode == TOUCH_MODE_FLING) {
            return true;
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
            int pointerIndex = ev.findPointerIndex(mActivePointerId);
            if (pointerIndex == -1) {
                pointerIndex = 0;
                mActivePointerId = ev.getPointerId(pointerIndex);
            }
            final int y = (int) ev.getY(pointerIndex);
            initVelocityTrackerIfNotExists();
            mVelocityTracker.addMovement(ev);
            if (startScrollIfNeeded(y)) {
                return true;
            }
            break;
        }
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP: {
        mTouchMode = TOUCH_MODE_REST;
        mActivePointerId = INVALID_POINTER;
        recycleVelocityTracker();
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
        break;
    }
    }

    return false;
}

From source file:com.appunite.list.AbsListView.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
@Override//from w w  w. j a v  a 2s.  co m
public boolean onGenericMotionEvent(MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
        case MotionEvent.ACTION_SCROLL: {
            if (mTouchMode == TOUCH_MODE_REST) {
                final float vscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                if (vscroll != 0) {
                    final int delta = (int) (vscroll * getVerticalScrollFactorUnhide());
                    if (!trackMotionScroll(delta, delta)) {
                        return true;
                    }
                }
            }
        }
        }
    }
    return super.onGenericMotionEvent(event);
}

From source file:com.boutline.sports.helpers.TwoWayView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    if (!mIsAttached || mAdapter == null) {
        return false;
    }//from  w w w . j a v a  2 s  .  co m

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);

        mScroller.abortAnimation();

        final float x = ev.getX();
        final float y = ev.getY();

        mLastTouchPos = (mIsVertical ? y : x);

        final int motionPosition = findMotionRowOrColumn((int) mLastTouchPos);

        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mTouchRemainderPos = 0;

        if (mTouchMode == TOUCH_MODE_FLINGING) {
            return true;
        } else if (motionPosition >= 0) {
            mMotionPosition = motionPosition;
            mTouchMode = TOUCH_MODE_DOWN;
        }

        break;

    case MotionEvent.ACTION_MOVE: {
        if (mTouchMode != TOUCH_MODE_DOWN) {
            break;
        }

        initVelocityTrackerIfNotExists();
        mVelocityTracker.addMovement(ev);

        final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (index < 0) {
            Log.e(LOGTAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId
                    + " - did TwoWayView receive an inconsistent " + "event stream?");
            return false;
        }

        final float pos;
        if (mIsVertical) {
            pos = MotionEventCompat.getY(ev, index);
        } else {
            pos = MotionEventCompat.getX(ev, index);
        }

        final float diff = pos - mLastTouchPos + mTouchRemainderPos;
        final int delta = (int) diff;
        mTouchRemainderPos = diff - delta;

        if (maybeStartScrolling(delta)) {
            return true;
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        mActivePointerId = INVALID_POINTER;
        mTouchMode = TOUCH_MODE_REST;
        recycleVelocityTracker();
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);

        break;
    }

    return false;
}

From source file:com.aliasapps.seq.scroller.TwoWayView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    if (!mIsAttached) {
        return false;
    }/*  w w  w. ja v  a  2 s .  co m*/

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);

        mScroller.abortAnimation();

        final float x = ev.getX();
        final float y = ev.getY();

        mLastTouchPos = (mIsVertical ? y : x);

        final int motionPosition = findMotionRowOrColumn((int) mLastTouchPos);

        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mTouchRemainderPos = 0;

        if (mTouchMode == TOUCH_MODE_FLINGING) {
            return true;
        } else if (motionPosition >= 0) {
            mMotionPosition = motionPosition;
            mTouchMode = TOUCH_MODE_DOWN;
        }

        break;

    case MotionEvent.ACTION_MOVE: {
        if (mTouchMode != TOUCH_MODE_DOWN) {
            break;
        }

        initVelocityTrackerIfNotExists();
        mVelocityTracker.addMovement(ev);

        final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (index < 0) {
            Log.e(LOGTAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId
                    + " - did TwoWayView receive an inconsistent " + "event stream?");
            return false;
        }

        final float pos;
        if (mIsVertical) {
            pos = MotionEventCompat.getY(ev, index);
        } else {
            pos = MotionEventCompat.getX(ev, index);
        }

        final float diff = pos - mLastTouchPos + mTouchRemainderPos;
        final int delta = (int) diff;
        mTouchRemainderPos = diff - delta;

        if (maybeStartScrolling(delta)) {
            return true;
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        mActivePointerId = INVALID_POINTER;
        mTouchMode = TOUCH_MODE_REST;
        recycleVelocityTracker();
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);

        break;
    }

    return false;
}

From source file:com.boutline.sports.helpers.TwoWayView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }//w  w w . j  a v a 2s .  c om

    if (!mIsAttached || mAdapter == null) {
        return false;
    }

    boolean needsInvalidate = false;

    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        if (mDataChanged) {
            break;
        }

        mVelocityTracker.clear();
        mScroller.abortAnimation();

        final float x = ev.getX();
        final float y = ev.getY();

        mLastTouchPos = (mIsVertical ? y : x);

        int motionPosition = pointToPosition((int) x, (int) y);

        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mTouchRemainderPos = 0;

        if (mDataChanged) {
            break;
        }

        if (mTouchMode == TOUCH_MODE_FLINGING) {
            mTouchMode = TOUCH_MODE_DRAGGING;
            reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
            motionPosition = findMotionRowOrColumn((int) mLastTouchPos);
            return true;
        } else if (mMotionPosition >= 0 && mAdapter.isEnabled(mMotionPosition)) {
            mTouchMode = TOUCH_MODE_DOWN;
            triggerCheckForTap();
        }

        mMotionPosition = motionPosition;

        break;
    }

    case MotionEvent.ACTION_MOVE: {
        final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (index < 0) {
            Log.e(LOGTAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId
                    + " - did TwoWayView receive an inconsistent " + "event stream?");
            return false;
        }

        final float pos;
        if (mIsVertical) {
            pos = MotionEventCompat.getY(ev, index);
        } else {
            pos = MotionEventCompat.getX(ev, index);
        }

        if (mDataChanged) {
            // Re-sync everything if data has been changed
            // since the scroll operation can query the adapter.
            layoutChildren();
        }

        final float diff = pos - mLastTouchPos + mTouchRemainderPos;
        final int delta = (int) diff;
        mTouchRemainderPos = diff - delta;

        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            // Check if we have moved far enough that it looks more like a
            // scroll than a tap
            maybeStartScrolling(delta);
            break;

        case TOUCH_MODE_DRAGGING:
        case TOUCH_MODE_OVERSCROLL:
            mLastTouchPos = pos;
            maybeScroll(delta);
            break;
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
        cancelCheckForTap();
        mTouchMode = TOUCH_MODE_REST;
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);

        setPressed(false);
        View motionView = this.getChildAt(mMotionPosition - mFirstPosition);
        if (motionView != null) {
            motionView.setPressed(false);
        }

        if (mStartEdge != null && mEndEdge != null) {
            needsInvalidate = mStartEdge.onRelease() | mEndEdge.onRelease();
        }

        recycleVelocityTracker();

        break;

    case MotionEvent.ACTION_UP: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING: {
            final int motionPosition = mMotionPosition;
            final View child = getChildAt(motionPosition - mFirstPosition);

            final float x = ev.getX();
            final float y = ev.getY();

            final boolean inList;
            if (mIsVertical) {
                inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight();
            } else {
                inList = y > getPaddingTop() && y < getHeight() - getPaddingBottom();
            }

            if (child != null && !child.hasFocusable() && inList) {
                if (mTouchMode != TOUCH_MODE_DOWN) {
                    child.setPressed(false);
                }

                if (mPerformClick == null) {
                    mPerformClick = new PerformClick();
                }

                final PerformClick performClick = mPerformClick;
                performClick.mClickMotionPosition = motionPosition;
                performClick.rememberWindowAttachCount();

                mResurrectToPosition = motionPosition;

                if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) {
                    if (mTouchMode == TOUCH_MODE_DOWN) {
                        cancelCheckForTap();
                    } else {
                        cancelCheckForLongPress();
                    }

                    mLayoutMode = LAYOUT_NORMAL;

                    if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                        mTouchMode = TOUCH_MODE_TAP;

                        setPressed(true);
                        positionSelector(mMotionPosition, child);
                        child.setPressed(true);

                        if (mSelector != null) {
                            Drawable d = mSelector.getCurrent();
                            if (d != null && d instanceof TransitionDrawable) {
                                ((TransitionDrawable) d).resetTransition();
                            }
                        }

                        if (mTouchModeReset != null) {
                            removeCallbacks(mTouchModeReset);
                        }

                        mTouchModeReset = new Runnable() {
                            @Override
                            public void run() {
                                mTouchMode = TOUCH_MODE_REST;

                                setPressed(false);
                                child.setPressed(false);

                                if (!mDataChanged) {
                                    performClick.run();
                                }

                                mTouchModeReset = null;
                            }
                        };

                        postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration());
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        updateSelectorState();
                    }
                } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                    performClick.run();
                }
            }

            mTouchMode = TOUCH_MODE_REST;
            updateSelectorState();

            break;
        }

        case TOUCH_MODE_DRAGGING:
            if (contentFits()) {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                break;
            }

            mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);

            final float velocity;
            if (mIsVertical) {
                velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId);
            } else {
                velocity = VelocityTrackerCompat.getXVelocity(mVelocityTracker, mActivePointerId);
            }

            if (Math.abs(velocity) >= mFlingVelocity) {
                mTouchMode = TOUCH_MODE_FLINGING;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);

                mScroller.fling(0, 0, (int) (mIsVertical ? 0 : velocity), (int) (mIsVertical ? velocity : 0),
                        (mIsVertical ? 0 : Integer.MIN_VALUE), (mIsVertical ? 0 : Integer.MAX_VALUE),
                        (mIsVertical ? Integer.MIN_VALUE : 0), (mIsVertical ? Integer.MAX_VALUE : 0));

                mLastTouchPos = 0;
                needsInvalidate = true;
            } else {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }

            break;

        case TOUCH_MODE_OVERSCROLL:
            mTouchMode = TOUCH_MODE_REST;
            reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            break;
        }

        cancelCheckForTap();
        cancelCheckForLongPress();
        setPressed(false);

        if (mStartEdge != null && mEndEdge != null) {
            needsInvalidate |= mStartEdge.onRelease() | mEndEdge.onRelease();
        }

        recycleVelocityTracker();

        break;
    }
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }

    return true;
}

From source file:com.aliasapps.seq.scroller.TwoWayView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }//from  ww  w.j  a v  a 2s.c om

    if (!mIsAttached) {
        return false;
    }

    boolean needsInvalidate = false;

    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        if (mDataChanged) {
            break;
        }

        mVelocityTracker.clear();
        mScroller.abortAnimation();

        final float x = ev.getX();
        final float y = ev.getY();

        mLastTouchPos = (mIsVertical ? y : x);

        int motionPosition = pointToPosition((int) x, (int) y);

        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mTouchRemainderPos = 0;

        if (mDataChanged) {
            break;
        }

        if (mTouchMode == TOUCH_MODE_FLINGING) {
            mTouchMode = TOUCH_MODE_DRAGGING;
            reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL);
            motionPosition = findMotionRowOrColumn((int) mLastTouchPos);
            return true;
        } else if (mMotionPosition >= 0 && mAdapter.isEnabled(mMotionPosition)) {
            mTouchMode = TOUCH_MODE_DOWN;
            triggerCheckForTap();
        }

        mMotionPosition = motionPosition;

        break;
    }

    case MotionEvent.ACTION_MOVE: {
        final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (index < 0) {
            Log.e(LOGTAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId
                    + " - did TwoWayView receive an inconsistent " + "event stream?");
            return false;
        }

        final float pos;
        if (mIsVertical) {
            pos = MotionEventCompat.getY(ev, index);
        } else {
            pos = MotionEventCompat.getX(ev, index);
        }

        if (mDataChanged) {
            // Re-sync everything if data has been changed
            // since the scroll operation can query the adapter.
            layoutChildren();
        }

        final float diff = pos - mLastTouchPos + mTouchRemainderPos;
        final int delta = (int) diff;
        mTouchRemainderPos = diff - delta;

        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            // Check if we have moved far enough that it looks more like a
            // scroll than a tap
            maybeStartScrolling(delta);
            break;

        case TOUCH_MODE_DRAGGING:
        case TOUCH_MODE_OVERSCROLL:
            mLastTouchPos = pos;
            maybeScroll(delta);
            break;
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
        cancelCheckForTap();
        mTouchMode = TOUCH_MODE_REST;
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);

        setPressed(false);
        View motionView = this.getChildAt(mMotionPosition - mFirstPosition);
        if (motionView != null) {
            motionView.setPressed(false);
        }

        if (mStartEdge != null && mEndEdge != null) {
            needsInvalidate = mStartEdge.onRelease() | mEndEdge.onRelease();
        }

        recycleVelocityTracker();

        break;

    case MotionEvent.ACTION_UP: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING: {
            final int motionPosition = mMotionPosition;
            final View child = getChildAt(motionPosition - mFirstPosition);

            final float x = ev.getX();
            final float y = ev.getY();

            boolean inList = false;
            if (mIsVertical) {
                inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight();
            } else {
                inList = y > getPaddingTop() && y < getHeight() - getPaddingBottom();
            }

            if (child != null && !child.hasFocusable() && inList) {
                if (mTouchMode != TOUCH_MODE_DOWN) {
                    child.setPressed(false);
                }

                if (mPerformClick == null) {
                    mPerformClick = new PerformClick();
                }

                final PerformClick performClick = mPerformClick;
                performClick.mClickMotionPosition = motionPosition;
                performClick.rememberWindowAttachCount();

                mResurrectToPosition = motionPosition;

                if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) {
                    if (mTouchMode == TOUCH_MODE_DOWN) {
                        cancelCheckForTap();
                    } else {
                        cancelCheckForLongPress();
                    }

                    mLayoutMode = LAYOUT_NORMAL;

                    if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                        mTouchMode = TOUCH_MODE_TAP;

                        setPressed(true);
                        positionSelector(mMotionPosition, child);
                        child.setPressed(true);

                        if (mSelector != null) {
                            Drawable d = mSelector.getCurrent();
                            if (d != null && d instanceof TransitionDrawable) {
                                ((TransitionDrawable) d).resetTransition();
                            }
                        }

                        if (mTouchModeReset != null) {
                            removeCallbacks(mTouchModeReset);
                        }

                        mTouchModeReset = new Runnable() {
                            @Override
                            public void run() {
                                mTouchMode = TOUCH_MODE_REST;

                                setPressed(false);
                                child.setPressed(false);

                                if (!mDataChanged) {
                                    performClick.run();
                                }

                                mTouchModeReset = null;
                            }
                        };

                        postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration());
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        updateSelectorState();
                    }
                } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                    performClick.run();
                }
            }

            mTouchMode = TOUCH_MODE_REST;
            updateSelectorState();

            break;
        }

        case TOUCH_MODE_DRAGGING:
            if (contentFits()) {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                break;
            }

            mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);

            final float velocity;
            if (mIsVertical) {
                velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId);
            } else {
                velocity = VelocityTrackerCompat.getXVelocity(mVelocityTracker, mActivePointerId);
            }

            if (Math.abs(velocity) >= mFlingVelocity) {
                mTouchMode = TOUCH_MODE_FLINGING;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);

                mScroller.fling(0, 0, (int) (mIsVertical ? 0 : velocity), (int) (mIsVertical ? velocity : 0),
                        (mIsVertical ? 0 : Integer.MIN_VALUE), (mIsVertical ? 0 : Integer.MAX_VALUE),
                        (mIsVertical ? Integer.MIN_VALUE : 0), (mIsVertical ? Integer.MAX_VALUE : 0));

                mLastTouchPos = 0;
                needsInvalidate = true;
            } else {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }

            break;

        case TOUCH_MODE_OVERSCROLL:
            mTouchMode = TOUCH_MODE_REST;
            reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            break;
        }

        cancelCheckForTap();
        cancelCheckForLongPress();
        setPressed(false);

        if (mStartEdge != null && mEndEdge != null) {
            needsInvalidate |= mStartEdge.onRelease() | mEndEdge.onRelease();
        }

        recycleVelocityTracker();

        break;
    }
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }

    return true;
}

From source file:com.appunite.list.AbsHorizontalListView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }//from  w  w w. j  a va 2  s  .c  om

    if (mPositionScroller != null) {
        mPositionScroller.stop();
    }

    if (!mIsAttached) {
        // Something isn't right.
        // Since we rely on being attached to get data set change notifications,
        // don't risk doing anything where we might try to resync and find things
        // in a bogus state.
        return false;
    }

    final int action = ev.getAction();

    View v;

    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        switch (mTouchMode) {
        case TOUCH_MODE_OVERFLING: {
            mFlingRunnable.endFling();
            if (mPositionScroller != null) {
                mPositionScroller.stop();
            }
            mTouchMode = TOUCH_MODE_OVERSCROLL;
            mMotionX = mLastX = (int) ev.getX();
            mMotionY = (int) ev.getY();
            mMotionCorrection = 0;
            mActivePointerId = ev.getPointerId(0);
            mDirection = 0;
            break;
        }

        default: {
            mActivePointerId = ev.getPointerId(0);
            final int x = (int) ev.getX();
            final int y = (int) ev.getY();
            int motionPosition = pointToPosition(x, y);
            if (!mDataChanged) {
                if ((mTouchMode != TOUCH_MODE_FLING) && (motionPosition >= 0)
                        && (getAdapter().isEnabled(motionPosition))) {
                    // User clicked on an actual view (and was not stopping a fling).
                    // It might be a click or a scroll. Assume it is a click until
                    // proven otherwise
                    mTouchMode = TOUCH_MODE_DOWN;
                    // FIXME Debounce
                    if (mPendingCheckForTap == null) {
                        mPendingCheckForTap = new CheckForTap();
                    }
                    postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout());
                } else {
                    if (mTouchMode == TOUCH_MODE_FLING) {
                        // Stopped a fling. It is a scroll.
                        createScrollingCache();
                        mTouchMode = TOUCH_MODE_SCROLL;
                        mMotionCorrection = 0;
                        motionPosition = findMotionCol(x);
                        mFlingRunnable.flywheelTouch();
                    }
                }
            }

            if (motionPosition >= 0) {
                // Remember where the motion event started
                v = getChildAt(motionPosition - mFirstPosition);
                mMotionViewOriginalLeft = v.getLeft();
            }
            mMotionX = x;
            mMotionY = y;
            mMotionPosition = motionPosition;
            mLastX = Integer.MIN_VALUE;
            break;
        }
        }

        if (performButtonActionOnTouchDownUnhide(ev)) {
            if (mTouchMode == TOUCH_MODE_DOWN) {
                removeCallbacks(mPendingCheckForTap);
            }
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        int pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex == -1) {
            pointerIndex = 0;
            mActivePointerId = ev.getPointerId(pointerIndex);
        }
        final int x = (int) ev.getX(pointerIndex);

        if (mDataChanged) {
            // Re-sync everything if data has been changed
            // since the scroll operation can query the adapter.
            layoutChildren();
        }

        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            // Check if we have moved far enough that it looks more like a
            // scroll than a tap
            startScrollIfNeeded(x);
            break;
        case TOUCH_MODE_SCROLL:
        case TOUCH_MODE_OVERSCROLL:
            scrollIfNeeded(x);
            break;
        }
        break;
    }

    case MotionEvent.ACTION_UP: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            final int motionPosition = mMotionPosition;
            final View child = getChildAt(motionPosition - mFirstPosition);

            final float y = ev.getY();
            final boolean inList = y > mListPadding.top && y < getHeight() - mListPadding.bottom;

            if (child != null && !child.hasFocusable() && inList) {
                if (mTouchMode != TOUCH_MODE_DOWN) {
                    child.setPressed(false);
                }

                if (mPerformClick == null) {
                    mPerformClick = new PerformClick();
                }

                final AbsHorizontalListView.PerformClick performClick = mPerformClick;
                performClick.mClickMotionPosition = motionPosition;
                performClick.rememberWindowAttachCount();

                mResurrectToPosition = motionPosition;

                if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) {
                    final Handler handler = getHandler();
                    if (handler != null) {
                        handler.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap
                                : mPendingCheckForLongPress);
                    }
                    mLayoutMode = LAYOUT_NORMAL;
                    if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                        mTouchMode = TOUCH_MODE_TAP;
                        setSelectedPositionInt(mMotionPosition);
                        layoutChildren();
                        child.setPressed(true);
                        positionSelector(mMotionPosition, child);
                        setPressed(true);
                        if (mSelector != null) {
                            Drawable d = mSelector.getCurrent();
                            if (d != null && d instanceof TransitionDrawable) {
                                ((TransitionDrawable) d).resetTransition();
                            }
                        }
                        if (mTouchModeReset != null) {
                            removeCallbacks(mTouchModeReset);
                        }
                        mTouchModeReset = new Runnable() {
                            @Override
                            public void run() {
                                mTouchModeReset = null;
                                mTouchMode = TOUCH_MODE_REST;
                                child.setPressed(false);
                                setPressed(false);
                                if (!mDataChanged) {
                                    performClick.run();
                                }
                            }
                        };
                        postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration());
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        updateSelectorState();
                    }
                    return true;
                } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                    performClick.run();
                }
            }
            mTouchMode = TOUCH_MODE_REST;
            updateSelectorState();
            break;
        case TOUCH_MODE_SCROLL:
            final int childCount = getChildCount();
            if (childCount > 0) {
                final int firstChildLeft = getChildAt(0).getLeft();
                final int lastChildRight = getChildAt(childCount - 1).getRight();
                final int contentLeft = mListPadding.left;
                final int contentRight = getWidth() - mListPadding.right;
                if (mFirstPosition == 0 && firstChildLeft >= contentLeft
                        && mFirstPosition + childCount < mItemCount
                        && lastChildRight <= getWidth() - contentRight) {
                    mTouchMode = TOUCH_MODE_REST;
                    reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                } else {
                    final VelocityTracker velocityTracker = mVelocityTracker;
                    velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);

                    final int initialVelocity = (int) (velocityTracker.getXVelocity(mActivePointerId)
                            * mVelocityScale);
                    // Fling if we have enough velocity and we aren't at a boundary.
                    // Since we can potentially overfling more than we can overscroll, don't
                    // allow the weird behavior where you can scroll to a boundary then
                    // fling further.
                    if (Math.abs(initialVelocity) > mMinimumVelocity
                            && !((mFirstPosition == 0 && firstChildLeft == contentLeft - mOverscrollDistance)
                                    || (mFirstPosition + childCount == mItemCount
                                            && lastChildRight == contentRight + mOverscrollDistance))) {
                        if (mFlingRunnable == null) {
                            mFlingRunnable = new FlingRunnable();
                        }
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);

                        mFlingRunnable.start(-initialVelocity);
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                        if (mFlingRunnable != null) {
                            mFlingRunnable.endFling();
                        }
                        if (mPositionScroller != null) {
                            mPositionScroller.stop();
                        }
                    }
                }
            } else {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }
            break;

        case TOUCH_MODE_OVERSCROLL:
            if (mFlingRunnable == null) {
                mFlingRunnable = new FlingRunnable();
            }
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            final int initialVelocity = (int) velocityTracker.getXVelocity(mActivePointerId);

            reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);
            if (Math.abs(initialVelocity) > mMinimumVelocity) {
                mFlingRunnable.startOverfling(-initialVelocity);
            } else {
                mFlingRunnable.startSpringback();
            }

            break;
        }

        setPressed(false);

        if (mEdgeGlowLeft != null) {
            mEdgeGlowLeft.onRelease();
            mEdgeGlowRight.onRelease();
        }

        // Need to redraw since we probably aren't drawing the selector anymore
        invalidate();

        final Handler handler = getHandler();
        if (handler != null) {
            handler.removeCallbacks(mPendingCheckForLongPress);
        }

        recycleVelocityTracker();

        mActivePointerId = INVALID_POINTER;

        if (PROFILE_SCROLLING) {
            if (mScrollProfilingStarted) {
                Debug.stopMethodTracing();
                mScrollProfilingStarted = false;
            }
        }

        // FIXME not needed bacaues we could not implement strict span (j.m.)
        //            if (mScrollStrictSpan != null) {
        //                mScrollStrictSpan.finish();
        //                mScrollStrictSpan = null;
        //            }
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        switch (mTouchMode) {
        case TOUCH_MODE_OVERSCROLL:
            if (mFlingRunnable == null) {
                mFlingRunnable = new FlingRunnable();
            }
            mFlingRunnable.startSpringback();
            break;

        case TOUCH_MODE_OVERFLING:
            // Do nothing - let it play out.
            break;

        default:
            mTouchMode = TOUCH_MODE_REST;
            setPressed(false);
            View motionView = this.getChildAt(mMotionPosition - mFirstPosition);
            if (motionView != null) {
                motionView.setPressed(false);
            }
            clearScrollingCache();

            final Handler handler = getHandler();
            if (handler != null) {
                handler.removeCallbacks(mPendingCheckForLongPress);
            }

            recycleVelocityTracker();
        }

        if (mEdgeGlowLeft != null) {
            mEdgeGlowLeft.onRelease();
            mEdgeGlowRight.onRelease();
        }
        mActivePointerId = INVALID_POINTER;
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
        final int x = mMotionX;
        final int y = mMotionY;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            mMotionViewOriginalLeft = v.getLeft();
            mMotionPosition = motionPosition;
        }
        mLastX = x;
        break;
    }

    case MotionEvent.ACTION_POINTER_DOWN: {
        // New pointers take over dragging duties
        final int index = ev.getActionIndex();
        final int id = ev.getPointerId(index);
        final int x = (int) ev.getX(index);
        final int y = (int) ev.getY(index);
        mMotionCorrection = 0;
        mActivePointerId = id;
        mMotionX = x;
        mMotionY = y;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            mMotionViewOriginalLeft = v.getLeft();
            mMotionPosition = motionPosition;
        }
        mLastX = x;
        break;
    }
    }

    return true;
}

From source file:com.artifex.mupdflib.TwoWayView.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    if (!mIsAttached || mAdapter == null) {
        return false;
    }/*from   www.  ja  v a 2  s .  c  o m*/

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        initOrResetVelocityTracker();
        mVelocityTracker.addMovement(ev);

        mScroller.abortAnimation();
        if (mPositionScroller != null) {
            mPositionScroller.stop();
        }

        final float x = ev.getX();
        final float y = ev.getY();

        mLastTouchPos = (mIsVertical ? y : x);

        final int motionPosition = findMotionRowOrColumn((int) mLastTouchPos);

        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mTouchRemainderPos = 0;

        if (mTouchMode == TOUCH_MODE_FLINGING) {
            return true;
        } else if (motionPosition >= 0) {
            mMotionPosition = motionPosition;
            mTouchMode = TOUCH_MODE_DOWN;
        }

        break;

    case MotionEvent.ACTION_MOVE: {
        if (mTouchMode != TOUCH_MODE_DOWN) {
            break;
        }

        initVelocityTrackerIfNotExists();
        mVelocityTracker.addMovement(ev);

        final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        if (index < 0) {
            Log.e(LOGTAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId
                    + " - did TwoWayView receive an inconsistent " + "event stream?");
            return false;
        }

        final float pos;
        if (mIsVertical) {
            pos = MotionEventCompat.getY(ev, index);
        } else {
            pos = MotionEventCompat.getX(ev, index);
        }

        final float diff = pos - mLastTouchPos + mTouchRemainderPos;
        final int delta = (int) diff;
        mTouchRemainderPos = diff - delta;

        if (maybeStartScrolling(delta)) {
            return true;
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        mActivePointerId = INVALID_POINTER;
        mTouchMode = TOUCH_MODE_REST;
        recycleVelocityTracker();
        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);

        break;
    }

    return false;
}

From source file:com.appunite.list.AbsListView.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (!isEnabled()) {
        // A disabled view that is clickable still consumes the touch
        // events, it just doesn't respond to them.
        return isClickable() || isLongClickable();
    }/*w  w w . j av a2 s.c o  m*/

    if (mPositionScroller != null) {
        mPositionScroller.stop();
    }

    if (!mIsAttached) {
        // Something isn't right.
        // Since we rely on being attached to get data set change notifications,
        // don't risk doing anything where we might try to resync and find things
        // in a bogus state.
        return false;
    }

    if (mFastScroller != null) {
        boolean intercepted = mFastScroller.onTouchEvent(ev);
        if (intercepted) {
            return true;
        }
    }

    final int action = ev.getAction();

    View v;

    initVelocityTrackerIfNotExists();
    mVelocityTracker.addMovement(ev);

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        switch (mTouchMode) {
        case TOUCH_MODE_OVERFLING: {
            mFlingRunnable.endFling();
            if (mPositionScroller != null) {
                mPositionScroller.stop();
            }
            mTouchMode = TOUCH_MODE_OVERSCROLL;
            mMotionX = (int) ev.getX();
            mMotionY = mLastY = (int) ev.getY();
            mMotionCorrection = 0;
            mActivePointerId = ev.getPointerId(0);
            mDirection = 0;
            break;
        }

        default: {
            mActivePointerId = ev.getPointerId(0);
            final int x = (int) ev.getX();
            final int y = (int) ev.getY();
            int motionPosition = pointToPosition(x, y);
            if (!mDataChanged) {
                if ((mTouchMode != TOUCH_MODE_FLING) && (motionPosition >= 0)
                        && (getAdapter().isEnabled(motionPosition))) {
                    // User clicked on an actual view (and was not stopping a fling).
                    // It might be a click or a scroll. Assume it is a click until
                    // proven otherwise
                    mTouchMode = TOUCH_MODE_DOWN;
                    // FIXME Debounce
                    if (mPendingCheckForTap == null) {
                        mPendingCheckForTap = new CheckForTap();
                    }
                    postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout());
                } else {
                    if (mTouchMode == TOUCH_MODE_FLING) {
                        // Stopped a fling. It is a scroll.
                        createScrollingCache();
                        mTouchMode = TOUCH_MODE_SCROLL;
                        mMotionCorrection = 0;
                        motionPosition = findMotionRow(y);
                        mFlingRunnable.flywheelTouch();
                    }
                }
            }

            if (motionPosition >= 0) {
                // Remember where the motion event started
                v = getChildAt(motionPosition - mFirstPosition);
                mMotionViewOriginalTop = v.getTop();
            }
            mMotionX = x;
            mMotionY = y;
            mMotionPosition = motionPosition;
            mLastY = Integer.MIN_VALUE;
            break;
        }
        }

        if (performButtonActionOnTouchDownUnhide(ev)) {
            if (mTouchMode == TOUCH_MODE_DOWN) {
                removeCallbacks(mPendingCheckForTap);
            }
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        int pointerIndex = ev.findPointerIndex(mActivePointerId);
        if (pointerIndex == -1) {
            pointerIndex = 0;
            mActivePointerId = ev.getPointerId(pointerIndex);
        }
        final int y = (int) ev.getY(pointerIndex);

        if (mDataChanged) {
            // Re-sync everything if data has been changed
            // since the scroll operation can query the adapter.
            layoutChildren();
        }

        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            // Check if we have moved far enough that it looks more like a
            // scroll than a tap
            startScrollIfNeeded(y);
            break;
        case TOUCH_MODE_SCROLL:
        case TOUCH_MODE_OVERSCROLL:
            scrollIfNeeded(y);
            break;
        }
        break;
    }

    case MotionEvent.ACTION_UP: {
        switch (mTouchMode) {
        case TOUCH_MODE_DOWN:
        case TOUCH_MODE_TAP:
        case TOUCH_MODE_DONE_WAITING:
            final int motionPosition = mMotionPosition;
            final View child = getChildAt(motionPosition - mFirstPosition);

            final float x = ev.getX();
            final boolean inList = x > mListPadding.left && x < getWidth() - mListPadding.right;

            if (child != null && !child.hasFocusable() && inList) {
                if (mTouchMode != TOUCH_MODE_DOWN) {
                    child.setPressed(false);
                }

                if (mPerformClick == null) {
                    mPerformClick = new PerformClick();
                }

                final AbsListView.PerformClick performClick = mPerformClick;
                performClick.mClickMotionPosition = motionPosition;
                performClick.rememberWindowAttachCount();

                mResurrectToPosition = motionPosition;

                if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) {
                    final Handler handler = getHandler();
                    if (handler != null) {
                        handler.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap
                                : mPendingCheckForLongPress);
                    }
                    mLayoutMode = LAYOUT_NORMAL;
                    if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                        mTouchMode = TOUCH_MODE_TAP;
                        setSelectedPositionInt(mMotionPosition);
                        layoutChildren();
                        child.setPressed(true);
                        positionSelector(mMotionPosition, child);
                        setPressed(true);
                        if (mSelector != null) {
                            Drawable d = mSelector.getCurrent();
                            if (d != null && d instanceof TransitionDrawable) {
                                ((TransitionDrawable) d).resetTransition();
                            }
                        }
                        if (mTouchModeReset != null) {
                            removeCallbacks(mTouchModeReset);
                        }
                        mTouchModeReset = new Runnable() {
                            @Override
                            public void run() {
                                mTouchModeReset = null;
                                mTouchMode = TOUCH_MODE_REST;
                                child.setPressed(false);
                                setPressed(false);
                                if (!mDataChanged) {
                                    performClick.run();
                                }
                            }
                        };
                        postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration());
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        updateSelectorState();
                    }
                    return true;
                } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) {
                    performClick.run();
                }
            }
            mTouchMode = TOUCH_MODE_REST;
            updateSelectorState();
            break;
        case TOUCH_MODE_SCROLL:
            final int childCount = getChildCount();
            if (childCount > 0) {
                final int firstChildTop = getChildAt(0).getTop();
                final int lastChildBottom = getChildAt(childCount - 1).getBottom();
                final int contentTop = mListPadding.top;
                final int contentBottom = getHeight() - mListPadding.bottom;
                if (mFirstPosition == 0 && firstChildTop >= contentTop
                        && mFirstPosition + childCount < mItemCount
                        && lastChildBottom <= getHeight() - contentBottom) {
                    mTouchMode = TOUCH_MODE_REST;
                    reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                } else {
                    final VelocityTracker velocityTracker = mVelocityTracker;
                    velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);

                    final int initialVelocity = (int) (velocityTracker.getYVelocity(mActivePointerId)
                            * mVelocityScale);
                    // Fling if we have enough velocity and we aren't at a boundary.
                    // Since we can potentially overfling more than we can overscroll, don't
                    // allow the weird behavior where you can scroll to a boundary then
                    // fling further.
                    if (Math.abs(initialVelocity) > mMinimumVelocity
                            && !((mFirstPosition == 0 && firstChildTop == contentTop - mOverscrollDistance)
                                    || (mFirstPosition + childCount == mItemCount
                                            && lastChildBottom == contentBottom + mOverscrollDistance))) {
                        if (mFlingRunnable == null) {
                            mFlingRunnable = new FlingRunnable();
                        }
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);

                        mFlingRunnable.start(-initialVelocity);
                    } else {
                        mTouchMode = TOUCH_MODE_REST;
                        reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
                        if (mFlingRunnable != null) {
                            mFlingRunnable.endFling();
                        }
                        if (mPositionScroller != null) {
                            mPositionScroller.stop();
                        }
                    }
                }
            } else {
                mTouchMode = TOUCH_MODE_REST;
                reportScrollStateChange(OnScrollListener.SCROLL_STATE_IDLE);
            }
            break;

        case TOUCH_MODE_OVERSCROLL:
            if (mFlingRunnable == null) {
                mFlingRunnable = new FlingRunnable();
            }
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            final int initialVelocity = (int) velocityTracker.getYVelocity(mActivePointerId);

            reportScrollStateChange(OnScrollListener.SCROLL_STATE_FLING);
            if (Math.abs(initialVelocity) > mMinimumVelocity) {
                mFlingRunnable.startOverfling(-initialVelocity);
            } else {
                mFlingRunnable.startSpringback();
            }

            break;
        }

        setPressed(false);

        if (mEdgeGlowTop != null) {
            mEdgeGlowTop.onRelease();
            mEdgeGlowBottom.onRelease();
        }

        // Need to redraw since we probably aren't drawing the selector anymore
        invalidate();

        final Handler handler = getHandler();
        if (handler != null) {
            handler.removeCallbacks(mPendingCheckForLongPress);
        }

        recycleVelocityTracker();

        mActivePointerId = INVALID_POINTER;

        if (PROFILE_SCROLLING) {
            if (mScrollProfilingStarted) {
                Debug.stopMethodTracing();
                mScrollProfilingStarted = false;
            }
        }

        // FIXME not needed bacaues we could not implement strict span (j.m.)
        //            if (mScrollStrictSpan != null) {
        //                mScrollStrictSpan.finish();
        //                mScrollStrictSpan = null;
        //            }
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        switch (mTouchMode) {
        case TOUCH_MODE_OVERSCROLL:
            if (mFlingRunnable == null) {
                mFlingRunnable = new FlingRunnable();
            }
            mFlingRunnable.startSpringback();
            break;

        case TOUCH_MODE_OVERFLING:
            // Do nothing - let it play out.
            break;

        default:
            mTouchMode = TOUCH_MODE_REST;
            setPressed(false);
            View motionView = this.getChildAt(mMotionPosition - mFirstPosition);
            if (motionView != null) {
                motionView.setPressed(false);
            }
            clearScrollingCache();

            final Handler handler = getHandler();
            if (handler != null) {
                handler.removeCallbacks(mPendingCheckForLongPress);
            }

            recycleVelocityTracker();
        }

        if (mEdgeGlowTop != null) {
            mEdgeGlowTop.onRelease();
            mEdgeGlowBottom.onRelease();
        }
        mActivePointerId = INVALID_POINTER;
        break;
    }

    case MotionEvent.ACTION_POINTER_UP: {
        onSecondaryPointerUp(ev);
        final int x = mMotionX;
        final int y = mMotionY;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            mMotionViewOriginalTop = v.getTop();
            mMotionPosition = motionPosition;
        }
        mLastY = y;
        break;
    }

    case MotionEvent.ACTION_POINTER_DOWN: {
        // New pointers take over dragging duties
        final int index = MotionEventCompat.getActionIndex(ev);
        final int id = ev.getPointerId(index);
        final int x = (int) ev.getX(index);
        final int y = (int) ev.getY(index);
        mMotionCorrection = 0;
        mActivePointerId = id;
        mMotionX = x;
        mMotionY = y;
        final int motionPosition = pointToPosition(x, y);
        if (motionPosition >= 0) {
            // Remember where the motion event started
            v = getChildAt(motionPosition - mFirstPosition);
            mMotionViewOriginalTop = v.getTop();
            mMotionPosition = motionPosition;
        }
        mLastY = y;
        break;
    }
    }

    return true;
}

From source file:edu.mit.viral.shen.DroidFish.java

private final void initUI() {
    leftHanded = leftHandedView();//from w  w  w  .  j  a  va  2 s.c o  m
    setContentView(leftHanded ? R.layout.main_left_handed : R.layout.main);
    Util.overrideFonts(findViewById(android.R.id.content));

    // title lines need to be regenerated every time due to layout changes (rotations)
    secondTitleLine = findViewById(R.id.second_title_line);
    // whiteTitleText = (TextView)findViewById(R.id.white_clock);
    // whiteTitleText.setSelected(true);
    // blackTitleText = (TextView)findViewById(R.id.black_clock);
    // blackTitleText.setSelected(true);
    engineTitleText = (TextView) findViewById(R.id.title_text);
    whiteFigText = (TextView) findViewById(R.id.white_pieces);
    whiteFigText.setTypeface(figNotation);
    whiteFigText.setSelected(true);
    // whiteFigText.setTextColor(whiteTitleText.getTextColors());
    blackFigText = (TextView) findViewById(R.id.black_pieces);
    blackFigText.setTypeface(figNotation);
    blackFigText.setSelected(true);
    // blackFigText.setTextColor(blackTitleText.getTextColors());
    summaryTitleText = (TextView) findViewById(R.id.title_text_summary);

    status = (TextView) findViewById(R.id.status);
    //   server = (TextView)findViewById(R.id.server);
    moveListScroll = (ScrollView) findViewById(R.id.scrollView);
    moveList = (TextView) findViewById(R.id.moveList);
    defaultMoveListTypeFace = moveList.getTypeface();
    thinking = (TextView) findViewById(R.id.thinking);
    defaultThinkingListTypeFace = thinking.getTypeface();
    status.setFocusable(false);
    moveListScroll.setFocusable(false);
    moveList.setFocusable(false);
    moveList.setMovementMethod(LinkMovementMethod.getInstance());
    thinking.setFocusable(false);

    cb = (ChessBoardPlay) findViewById(R.id.chessboard);
    cb.setFocusable(true);
    cb.requestFocus();
    cb.setClickable(true);
    cb.setPgnOptions(pgnOptions);

    final GestureDetector gd = new GestureDetector(new GestureDetector.SimpleOnGestureListener() {
        private float scrollX = 0;
        private float scrollY = 0;

        @Override
        public boolean onDown(MotionEvent e) {
            if (!boardGestures) {
                handleClick(e);
                return true;
            }
            scrollX = 0;
            scrollY = 0;
            return false;
        }

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            if (!boardGestures)
                return false;
            cb.cancelLongPress();
            if (invertScrollDirection) {
                distanceX = -distanceX;
                distanceY = -distanceY;
            }
            if ((scrollSensitivity > 0) && (cb.sqSize > 0)) {
                scrollX += distanceX;
                scrollY += distanceY;
                float scrollUnit = cb.sqSize * scrollSensitivity;
                if (Math.abs(scrollX) >= Math.abs(scrollY)) {
                    // Undo/redo
                    int nRedo = 0, nUndo = 0;
                    while (scrollX > scrollUnit) {
                        nRedo++;
                        scrollX -= scrollUnit;
                    }
                    while (scrollX < -scrollUnit) {
                        nUndo++;
                        scrollX += scrollUnit;
                    }
                    if (nUndo + nRedo > 0)
                        scrollY = 0;
                    if (nRedo + nUndo > 1) {
                        boolean analysis = gameMode.analysisMode();
                        boolean human = gameMode.playerWhite() || gameMode.playerBlack();
                        if (analysis || !human)
                            ctrl.setGameMode(new GameMode(GameMode.TWO_PLAYERS));
                    }
                    for (int i = 0; i < nRedo; i++)
                        ctrl.redoMove();
                    for (int i = 0; i < nUndo; i++)
                        ctrl.undoMove();
                    ctrl.setGameMode(gameMode);
                } else {
                    // Next/previous variation
                    int varDelta = 0;
                    while (scrollY > scrollUnit) {
                        varDelta++;
                        scrollY -= scrollUnit;
                    }
                    while (scrollY < -scrollUnit) {
                        varDelta--;
                        scrollY += scrollUnit;
                    }
                    if (varDelta != 0)
                        scrollX = 0;
                    ctrl.changeVariation(varDelta);
                }
            }
            return true;
        }

        @Override
        public boolean onSingleTapUp(MotionEvent e) {
            if (!boardGestures)
                return false;
            cb.cancelLongPress();
            handleClick(e);
            return true;
        }

        @Override
        public boolean onDoubleTapEvent(MotionEvent e) {
            if (!boardGestures)
                return false;
            if (e.getAction() == MotionEvent.ACTION_UP)
                handleClick(e);
            return true;
        }

        private final void handleClick(MotionEvent e) {
            if (ctrl.humansTurn()) {
                int sq = cb.eventToSquare(e);
                Move m = cb.mousePressed(sq);
                if (m != null) {
                    ctrl.makeHumanMove(m);
                    String longfen = TextIO.toFEN(cb.pos);
                    String sentout = utils.getSendMessageJSON(longfen);
                    sendJSON(sentout);
                    // String fen1=longfen.replaceAll("D","1");]
                    // commented out 04/12/15
                    // sendDataone(longfen, 1); 
                }

                setEgtbHints(cb.getSelectedSquare());
            }
        }

        @Override
        public void onLongPress(MotionEvent e) {
            if (!boardGestures)
                return;
            ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(20);
            removeDialog(BOARD_MENU_DIALOG);
            showDialog(BOARD_MENU_DIALOG);
        }
    });
    cb.setOnTouchListener(new OnTouchListener() {
        public boolean onTouch(View v, MotionEvent event) {
            return gd.onTouchEvent(event);
        }
    });
    cb.setOnTrackballListener(new ChessBoard.OnTrackballListener() {
        public void onTrackballEvent(MotionEvent event) {
            if (ctrl.humansTurn()) {
                Move m = cb.handleTrackballEvent(event);
                if (m != null)
                    ctrl.makeHumanMove(m);
                setEgtbHints(cb.getSelectedSquare());

            }
        }
    });

    moveList.setOnLongClickListener(new OnLongClickListener() {
        public boolean onLongClick(View v) {
            removeDialog(MOVELIST_MENU_DIALOG);
            showDialog(MOVELIST_MENU_DIALOG);
            return true;
        }
    });
    thinking.setOnLongClickListener(new OnLongClickListener() {
        public boolean onLongClick(View v) {
            if (mShowThinking || gameMode.analysisMode()) {
                if (!pvMoves.isEmpty()) {
                    removeDialog(THINKING_MENU_DIALOG);
                    showDialog(THINKING_MENU_DIALOG);
                }
            }
            return true;
        }
    });

    custom1Button = (ImageButton) findViewById(R.id.custom1Button);
    custom1ButtonActions.setImageButton(custom1Button, this);
    custom2Button = (ImageButton) findViewById(R.id.custom2Button);
    custom2ButtonActions.setImageButton(custom2Button, this);
    custom3Button = (ImageButton) findViewById(R.id.custom3Button);
    custom3ButtonActions.setImageButton(custom3Button, this);

    /*        modeButton = (ImageButton)findViewById(R.id.modeButton);
            modeButton.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
        showDialog(GAME_MODE_DIALOG);
    }
            });
            */
    undoButton = (ImageButton) findViewById(R.id.undoButton);
    undoButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            ctrl.undoMove();
            sendDataone(TextIO.toFEN(cb.pos), 1);

        }
    });
    undoButton.setOnLongClickListener(new OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            removeDialog(GO_BACK_MENU_DIALOG);
            showDialog(GO_BACK_MENU_DIALOG);
            return true;
        }
    });

    commentButton = (ImageButton) findViewById(R.id.commentbutton);
    commentButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            AlertDialog.Builder builder = new AlertDialog.Builder(DroidFish.this);
            builder.setTitle(R.string.edit_comments);
            View content = View.inflate(DroidFish.this, R.layout.edit_comments, null);
            builder.setView(content);

            DroidChessController.CommentInfo commInfo = ctrl.getComments();

            final TextView preComment, moveView, nag, postComment;
            preComment = (TextView) content.findViewById(R.id.ed_comments_pre);
            moveView = (TextView) content.findViewById(R.id.ed_comments_move);
            nag = (TextView) content.findViewById(R.id.ed_comments_nag);
            postComment = (TextView) content.findViewById(R.id.ed_comments_post);

            preComment.setText(commInfo.preComment);
            postComment.setText(commInfo.postComment);
            moveView.setText(commInfo.move);
            String nagStr = Node.nagStr(commInfo.nag).trim();
            if ((nagStr.length() == 0) && (commInfo.nag > 0))
                nagStr = String.format(Locale.US, "%d", commInfo.nag);
            nag.setText(nagStr);

            builder.setNegativeButton(R.string.cancel, null);
            builder.setPositiveButton(android.R.string.ok, new Dialog.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    String pre = preComment.getText().toString().trim();
                    String post = postComment.getText().toString().trim();
                    sendComment(post);
                    int nagVal = Node.strToNag(nag.getText().toString());

                    DroidChessController.CommentInfo commInfo = new DroidChessController.CommentInfo();
                    commInfo.preComment = pre;
                    commInfo.postComment = post;
                    commInfo.nag = nagVal;
                    ctrl.setComments(commInfo);

                }
            });

            builder.show();
        }
    });
    commentButton.setOnLongClickListener(new OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            removeDialog(GO_FORWARD_MENU_DIALOG);
            showDialog(GO_FORWARD_MENU_DIALOG);
            return true;
        }
    });

    redoButton = (ImageButton) findViewById(R.id.redoButton);
    redoButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            ctrl.redoMove();
            //startNewGame(2);
        }
    });
    redoButton.setOnLongClickListener(new OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            removeDialog(GO_FORWARD_MENU_DIALOG);
            showDialog(GO_FORWARD_MENU_DIALOG);
            return true;
        }
    });
}