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package com.mirrorlabs.quickaction; // w w w . j a v a 2s . co m import java.util.ArrayList; import java.util.List; import android.content.Context; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.view.animation.Interpolator; import android.widget.ImageView; import android.widget.PopupWindow.OnDismissListener; import android.widget.TextView; import com.mirrorlabs.filebrowser.FilebrowserULTRAActivity.Fonts; import com.mirrorlabs.filebrowser.R; /** * QuickAction dialog. * * @author Lorensius W. L. T <lorenz@londatiga.net> * * Contributors: * - Kevin Peck <kevinwpeck@gmail.com> */ public class QuickAction extends PopupWindows implements OnDismissListener { private ImageView mArrowUp; private ImageView mArrowDown; private Animation mTrackAnim; private LayoutInflater inflater; private ViewGroup mTrack; private OnActionItemClickListener mItemClickListener; private OnDismissListener mDismissListener; private List<ActionItem> mActionItemList = new ArrayList<ActionItem>(); private boolean mDidAction; private boolean mAnimateTrack; private int mChildPos; private int mAnimStyle; public static final int ANIM_GROW_FROM_LEFT = 1; public static final int ANIM_GROW_FROM_RIGHT = 2; public static final int ANIM_GROW_FROM_CENTER = 3; public static final int ANIM_AUTO = 4; /** * Constructor. * * @param context Context */ public QuickAction(Context context) { super(context); inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); mTrackAnim = AnimationUtils.loadAnimation(context, R.anim.rail); mTrackAnim.setInterpolator(new Interpolator() { public float getInterpolation(float t) { // Pushes past the target area, then snaps back into place. // Equation for graphing: 1.2-((x*1.6)-1.1)^2 final float inner = (t * 1.55f) - 1.1f; return 1.2f - inner * inner; } }); setRootViewId(R.layout.quickaction); mAnimStyle = ANIM_AUTO; mAnimateTrack = true; mChildPos = 0; } /** * Get action item at an index * * @param index Index of item (position from callback) * * @return Action Item at the position */ public ActionItem getActionItem(int index) { return mActionItemList.get(index); } /** * Set root view. * * @param id Layout resource id */ public void setRootViewId(int id) { mRootView = (ViewGroup) inflater.inflate(id, null); mTrack = (ViewGroup) mRootView.findViewById(R.id.tracks); mArrowDown = (ImageView) mRootView.findViewById(R.id.arrow_down); mArrowUp = (ImageView) mRootView.findViewById(R.id.arrow_up); //This was previously defined on show() method, moved here to prevent force close that occured //when tapping fastly on a view to show quickaction dialog. //Thanx to zammbi (github.com/zammbi) mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); setContentView(mRootView); } /** * Animate track. * * @param mAnimateTrack flag to animate track */ public void mAnimateTrack(boolean mAnimateTrack) { this.mAnimateTrack = mAnimateTrack; } /** * Set animation style. * * @param mAnimStyle animation style, default is set to ANIM_AUTO */ public void setAnimStyle(int mAnimStyle) { this.mAnimStyle = mAnimStyle; } /** * Add action item * * @param action {@link ActionItem} */ public void addActionItem(ActionItem action) { mActionItemList.add(action); String title = action.getTitle(); Drawable icon = action.getIcon(); View container = (View) inflater.inflate(R.layout.action_item, null); ImageView img = (ImageView) container.findViewById(R.id.iv_icon); TextView text = (TextView) container.findViewById(R.id.tv_title); text.setTypeface(Fonts.ICS); if (icon != null) { img.setImageDrawable(icon); } else { img.setVisibility(View.GONE); } if (title != null) { text.setText(title); } else { text.setVisibility(View.GONE); } final int pos = mChildPos; final int actionId = action.getActionId(); container.setOnClickListener(new OnClickListener() { public void onClick(View v) { if (mItemClickListener != null) { mItemClickListener.onItemClick(QuickAction.this, pos, actionId); } if (!getActionItem(pos).isSticky()) { mDidAction = true; //workaround for transparent background bug //thx to Roman Wozniak <roman.wozniak@gmail.com> v.post(new Runnable() { public void run() { dismiss(); } }); } } }); container.setFocusable(true); container.setClickable(true); mTrack.addView(container, mChildPos+1); mChildPos++; } public void setOnActionItemClickListener(OnActionItemClickListener listener) { mItemClickListener = listener; } /** * Show popup mWindow */ public void show (View anchor) { preShow(); int[] location = new int[2]; mDidAction = false; anchor.getLocationOnScreen(location); Rect anchorRect = new Rect(location[0], location[1], location[0] + anchor.getWidth(), location[1] + anchor.getHeight()); //mRootView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); mRootView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); int rootWidth = mRootView.getMeasuredWidth(); int rootHeight = mRootView.getMeasuredHeight(); int screenWidth = mWindowManager.getDefaultDisplay().getWidth(); //int screenHeight = mWindowManager.getDefaultDisplay().getHeight(); int xPos = (screenWidth - rootWidth) / 2; int yPos = anchorRect.top - rootHeight; boolean onTop = true; // display on bottom if (rootHeight > anchor.getTop()) { yPos = anchorRect.bottom; onTop = false; } showArrow(((onTop) ? R.id.arrow_down : R.id.arrow_up), anchorRect.centerX()); setAnimationStyle(screenWidth, anchorRect.centerX(), onTop); mWindow.showAtLocation(anchor, Gravity.NO_GRAVITY, xPos, yPos); if (mAnimateTrack) mTrack.startAnimation(mTrackAnim); } /** * Set animation style * * @param screenWidth Screen width * @param requestedX distance from left screen * @param onTop flag to indicate where the popup should be displayed. Set TRUE if displayed on top of anchor and vice versa */ private void setAnimationStyle(int screenWidth, int requestedX, boolean onTop) { int arrowPos = requestedX - mArrowUp.getMeasuredWidth()/2; switch (mAnimStyle) { case ANIM_GROW_FROM_LEFT: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left); break; case ANIM_GROW_FROM_RIGHT: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Right : R.style.Animations_PopDownMenu_Right); break; case ANIM_GROW_FROM_CENTER: mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center); break; case ANIM_AUTO: if (arrowPos <= screenWidth/4) { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Left : R.style.Animations_PopDownMenu_Left); } else if (arrowPos > screenWidth/4 && arrowPos < 3 * (screenWidth/4)) { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopUpMenu_Center : R.style.Animations_PopDownMenu_Center); } else { mWindow.setAnimationStyle((onTop) ? R.style.Animations_PopDownMenu_Right : R.style.Animations_PopDownMenu_Right); } break; } } /** * Show arrow * * @param whichArrow arrow type resource id * @param requestedX distance from left screen */ private void showArrow(int whichArrow, int requestedX) { final View showArrow = (whichArrow == R.id.arrow_up) ? mArrowUp : mArrowDown; final View hideArrow = (whichArrow == R.id.arrow_up) ? mArrowDown : mArrowUp; final int arrowWidth = mArrowUp.getMeasuredWidth(); showArrow.setVisibility(View.VISIBLE); ViewGroup.MarginLayoutParams param = (ViewGroup.MarginLayoutParams)showArrow.getLayoutParams(); param.leftMargin = requestedX - arrowWidth / 2; hideArrow.setVisibility(View.INVISIBLE); } /** * Set listener for window dismissed. This listener will only be fired if the quicakction dialog is dismissed * by clicking outside the dialog or clicking on sticky item. */ public void setOnDismissListener(QuickAction.OnDismissListener listener) { setOnDismissListener(this); mDismissListener = listener; } @Override public void onDismiss() { if (!mDidAction && mDismissListener != null) { mDismissListener.onDismiss(); } } /** * Listener for item click * */ public interface OnActionItemClickListener { public abstract void onItemClick(QuickAction source, int pos, int actionId); } /** * Listener for window dismiss * */ public interface OnDismissListener { public abstract void onDismiss(); } }