quickstep/src/com/android/quickstep/views/TaskMenuView.java - platform/packages/apps/Launcher3 - Git at Google

 /*
  * Copyright (C) 2018 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.quickstep.views;

 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
 import static com.android.quickstep.views.TaskThumbnailView.DIM_ALPHA;

 import android.animation.Animator;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.graphics.Outline;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.drawable.ShapeDrawable;
 import android.graphics.drawable.shapes.RectShape;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewOutlineProvider;
 import android.view.ViewTreeObserver.OnScrollChangedListener;
 import android.widget.LinearLayout;
 import android.widget.TextView;

 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.anim.RoundedRectRevealOutlineProvider;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.TaskOverlayFactory;
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.util.TaskCornerRadius;

 /**
  * Contains options for a recent task when long-pressing its icon.
  */
 public class TaskMenuView extends AbstractFloatingView implements OnScrollChangedListener {

     private static final Rect sTempRect = new Rect();

     private static final int REVEAL_OPEN_DURATION = 150;
     private static final int REVEAL_CLOSE_DURATION = 100;
     private final float mTaskInsetMargin;

     private BaseDraggingActivity mActivity;
     private TextView mTaskName;
     private AnimatorSet mOpenCloseAnimator;
     private TaskView mTaskView;
     private LinearLayout mOptionLayout;

     public TaskMenuView(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }

     public TaskMenuView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);

         mActivity = BaseDraggingActivity.fromContext(context);
         setClipToOutline(true);
         mTaskInsetMargin = getResources().getDimension(R.dimen.task_card_margin);
     }

     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
         mTaskName = findViewById(R.id.task_name);
         mOptionLayout = findViewById(R.id.menu_option_layout);
     }

     @Override
     public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
             BaseDragLayer dl = mActivity.getDragLayer();
             if (!dl.isEventOverView(this, ev)) {
                 // TODO: log this once we have a new container type for it?
                 close(true);
                 return true;
             }
         }
         return false;
     }

     @Override
     protected void handleClose(boolean animate) {
         if (animate) {
             animateClose();
         } else {
             closeComplete();
         }
     }

     @Override
     protected boolean isOfType(int type) {
         return (type & TYPE_TASK_MENU) != 0;
     }

     @Override
     public ViewOutlineProvider getOutlineProvider() {
         return new ViewOutlineProvider() {
             @Override
             public void getOutline(View view, Outline outline) {
                 outline.setRoundRect(0, 0, view.getWidth(), view.getHeight(),
                         TaskCornerRadius.get(view.getContext()));
             }
         };
     }

     private void setPosition(float x, float y, int overscrollShift) {
         PagedOrientationHandler pagedOrientationHandler = mTaskView.getPagedOrientationHandler();
         // Inset due to margin
         PointF additionalInset = pagedOrientationHandler
                 .getAdditionalInsetForTaskMenu(mTaskInsetMargin);
         int taskTopMargin = mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx;

         float adjustedY = y + taskTopMargin - additionalInset.y;
         float adjustedX = x - additionalInset.x;
         // Changing pivot to make computations easier
         // NOTE: Changing the pivots means the rotated view gets rotated about the new pivots set,
         // which would render the X and Y position set here incorrect
         setPivotX(0);
         if (mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get()) {
             // In tablet, set pivotY to original position without mThumbnailTopMargin adjustment.
             setPivotY(-taskTopMargin);
         } else {
             setPivotY(0);
         }
         setRotation(pagedOrientationHandler.getDegreesRotated());
         setX(pagedOrientationHandler.getTaskMenuX(adjustedX,
                 mTaskView.getThumbnail(), overscrollShift));
         setY(pagedOrientationHandler.getTaskMenuY(
                 adjustedY, mTaskView.getThumbnail(), overscrollShift));
     }

     public void onRotationChanged() {
         if (mOpenCloseAnimator != null && mOpenCloseAnimator.isRunning()) {
             mOpenCloseAnimator.end();
         }
         if (mIsOpen) {
             mOptionLayout.removeAllViews();
             if (!populateAndLayoutMenu()) {
                 close(false);
             }
         }
     }

     public static boolean showForTask(TaskView taskView) {
         BaseDraggingActivity activity = BaseDraggingActivity.fromContext(taskView.getContext());
         final TaskMenuView taskMenuView = (TaskMenuView) activity.getLayoutInflater().inflate(
                         R.layout.task_menu, activity.getDragLayer(), false);
         return taskMenuView.populateAndShowForTask(taskView);
     }

     private boolean populateAndShowForTask(TaskView taskView) {
         if (isAttachedToWindow()) {
             return false;
         }
         mActivity.getDragLayer().addView(this);
         mTaskView = taskView;
         if (!populateAndLayoutMenu()) {
             return false;
         }
         post(this::animateOpen);
         ((RecentsView) mActivity.getOverviewPanel()).addOnScrollChangedListener(this);
         return true;
     }

     @Override
     public void onScrollChanged() {
         RecentsView rv = mTaskView.getRecentsView();
         setPosition(mTaskView.getX() - rv.getScrollX(), mTaskView.getY() - rv.getScrollY(),
                 rv.getOverScrollShift());
     }

     /** @return true if successfully able to populate task view menu, false otherwise */
     private boolean populateAndLayoutMenu() {
         if (mTaskView.getTask().icon == null) {
             // Icon may not be loaded
             return false;
         }
         addMenuOptions(mTaskView);
         orientAroundTaskView(mTaskView);
         return true;
     }

     private void addMenuOptions(TaskView taskView) {
         mTaskName.setText(TaskUtils.getTitle(getContext(), taskView.getTask()));
         mTaskName.setOnClickListener(v -> close(true));

         TaskOverlayFactory.getEnabledShortcuts(taskView, mActivity.getDeviceProfile())
                 .forEach(this::addMenuOption);
     }

     private void addMenuOption(SystemShortcut menuOption) {
         LinearLayout menuOptionView = (LinearLayout) mActivity.getLayoutInflater().inflate(
                 R.layout.task_view_menu_option, this, false);
         menuOption.setIconAndLabelFor(
                 menuOptionView.findViewById(R.id.icon), menuOptionView.findViewById(R.id.text));
         LayoutParams lp = (LayoutParams) menuOptionView.getLayoutParams();
         mTaskView.getPagedOrientationHandler().setLayoutParamsForTaskMenuOptionItem(lp,
                 menuOptionView, mActivity.getDeviceProfile());
         menuOptionView.setEnabled(menuOption.isEnabled());
         menuOptionView.setAlpha(menuOption.isEnabled() ? 1 : 0.5f);
         menuOptionView.setOnClickListener(view -> {
             if (ENABLE_QUICKSTEP_LIVE_TILE.get() && !menuOption.hasFinishRecentsInAction()) {
                 RecentsView recentsView = mTaskView.getRecentsView();
                 recentsView.switchToScreenshot(null,
                         () -> recentsView.finishRecentsAnimation(true /* toRecents */,
                                 false /* shouldPip */,
                                 () -> menuOption.onClick(view)));
             } else {
                 menuOption.onClick(view);
             }
         });
         mOptionLayout.addView(menuOptionView);
     }

     private void orientAroundTaskView(TaskView taskView) {
         PagedOrientationHandler orientationHandler = taskView.getPagedOrientationHandler();
         measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
         orientationHandler.setTaskMenuAroundTaskView(this, mTaskInsetMargin);

         // Get Position
         mActivity.getDragLayer().getDescendantRectRelativeToSelf(taskView, sTempRect);
         Rect insets = mActivity.getDragLayer().getInsets();
         BaseDragLayer.LayoutParams params = (BaseDragLayer.LayoutParams) getLayoutParams();
         int padding = getResources()
                 .getDimensionPixelSize(R.dimen.task_menu_vertical_padding);
         params.width = orientationHandler.getTaskMenuWidth(taskView.getThumbnail()) - (2 * padding);
         // Gravity set to Left instead of Start as sTempRect.left measures Left distance not Start
         params.gravity = Gravity.LEFT;
         setLayoutParams(params);
         setScaleX(taskView.getScaleX());
         setScaleY(taskView.getScaleY());

         // Set divider spacing
         ShapeDrawable divider = new ShapeDrawable(new RectShape());
         divider.getPaint().setColor(getResources().getColor(android.R.color.transparent));
         int dividerSpacing = (int) getResources().getDimension(R.dimen.task_menu_spacing);
         mOptionLayout.setShowDividers(SHOW_DIVIDER_MIDDLE);

         orientationHandler.setTaskOptionsMenuLayoutOrientation(
                 mActivity.getDeviceProfile(), mOptionLayout, dividerSpacing, divider);
         setPosition(sTempRect.left - insets.left, sTempRect.top - insets.top, 0);
     }

     private void animateOpen() {
         animateOpenOrClosed(false);
         mIsOpen = true;
     }

     private void animateClose() {
         animateOpenOrClosed(true);
     }

     private void animateOpenOrClosed(boolean closing) {
         if (mOpenCloseAnimator != null && mOpenCloseAnimator.isRunning()) {
             mOpenCloseAnimator.end();
         }
         mOpenCloseAnimator = new AnimatorSet();

         final Animator revealAnimator = createOpenCloseOutlineProvider()
                 .createRevealAnimator(this, closing);
         revealAnimator.setInterpolator(Interpolators.DEACCEL);
         mOpenCloseAnimator.playTogether(revealAnimator,
                 ObjectAnimator.ofFloat(
                         mTaskView.getThumbnail(), DIM_ALPHA,
                         closing ? 0 : TaskView.MAX_PAGE_SCRIM_ALPHA),
                 ObjectAnimator.ofFloat(this, ALPHA, closing ? 0 : 1));
         mOpenCloseAnimator.addListener(new AnimationSuccessListener() {
             @Override
             public void onAnimationStart(Animator animation) {
                 setVisibility(VISIBLE);
             }

             @Override
             public void onAnimationSuccess(Animator animator) {
                 if (closing) {
                     closeComplete();
                 }
             }
         });
         mOpenCloseAnimator.setDuration(closing ? REVEAL_CLOSE_DURATION: REVEAL_OPEN_DURATION);
         mOpenCloseAnimator.start();
     }

     private void closeComplete() {
         mIsOpen = false;
         mActivity.getDragLayer().removeView(this);
         ((RecentsView) mActivity.getOverviewPanel()).removeOnScrollChangedListener(this);
     }

     private RoundedRectRevealOutlineProvider createOpenCloseOutlineProvider() {
         float radius = TaskCornerRadius.get(mContext);
         Rect fromRect = new Rect(0, 0, getWidth(), 0);
         Rect toRect = new Rect(0, 0, getWidth(), getHeight());
         return new RoundedRectRevealOutlineProvider(radius, radius, fromRect, toRect);
     }

     public View findMenuItemByText(String text) {
         for (int i = mOptionLayout.getChildCount() - 1; i >= 0; --i) {
             final ViewGroup menuOptionView = (ViewGroup) mOptionLayout.getChildAt(i);
             if (text.equals(menuOptionView.<TextView>findViewById(R.id.text).getText())) {
                 return menuOptionView;
             }
         }
         return null;
     }
 }
	/*
	* Copyright (C) 2018 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.quickstep.views;

	import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
	import static com.android.quickstep.views.TaskThumbnailView.DIM_ALPHA;

	import android.animation.Animator;
	import android.animation.AnimatorSet;
	import android.animation.ObjectAnimator;
	import android.content.Context;
	import android.graphics.Outline;
	import android.graphics.PointF;
	import android.graphics.Rect;
	import android.graphics.drawable.ShapeDrawable;
	import android.graphics.drawable.shapes.RectShape;
	import android.util.AttributeSet;
	import android.view.Gravity;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.ViewOutlineProvider;
	import android.view.ViewTreeObserver.OnScrollChangedListener;
	import android.widget.LinearLayout;
	import android.widget.TextView;

	import com.android.launcher3.AbstractFloatingView;
	import com.android.launcher3.BaseDraggingActivity;
	import com.android.launcher3.R;
	import com.android.launcher3.anim.AnimationSuccessListener;
	import com.android.launcher3.anim.Interpolators;
	import com.android.launcher3.anim.RoundedRectRevealOutlineProvider;
	import com.android.launcher3.config.FeatureFlags;
	import com.android.launcher3.popup.SystemShortcut;
	import com.android.launcher3.touch.PagedOrientationHandler;
	import com.android.launcher3.views.BaseDragLayer;
	import com.android.quickstep.TaskOverlayFactory;
	import com.android.quickstep.TaskUtils;
	import com.android.quickstep.util.TaskCornerRadius;

	/**
	* Contains options for a recent task when long-pressing its icon.
	*/
	public class TaskMenuView extends AbstractFloatingView implements OnScrollChangedListener {

	private static final Rect sTempRect = new Rect();

	private static final int REVEAL_OPEN_DURATION = 150;
	private static final int REVEAL_CLOSE_DURATION = 100;
	private final float mTaskInsetMargin;

	private BaseDraggingActivity mActivity;
	private TextView mTaskName;
	private AnimatorSet mOpenCloseAnimator;
	private TaskView mTaskView;
	private LinearLayout mOptionLayout;

	public TaskMenuView(Context context, AttributeSet attrs) {
	this(context, attrs, 0);
	}

	public TaskMenuView(Context context, AttributeSet attrs, int defStyleAttr) {
	super(context, attrs, defStyleAttr);

	mActivity = BaseDraggingActivity.fromContext(context);
	setClipToOutline(true);
	mTaskInsetMargin = getResources().getDimension(R.dimen.task_card_margin);
	}

	@Override
	protected void onFinishInflate() {
	super.onFinishInflate();
	mTaskName = findViewById(R.id.task_name);
	mOptionLayout = findViewById(R.id.menu_option_layout);
	}

	@Override
	public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
	if (ev.getAction() == MotionEvent.ACTION_DOWN) {
	BaseDragLayer dl = mActivity.getDragLayer();
	if (!dl.isEventOverView(this, ev)) {
	// TODO: log this once we have a new container type for it?
	close(true);
	return true;
	}
	}
	return false;
	}

	@Override
	protected void handleClose(boolean animate) {
	if (animate) {
	animateClose();
	} else {
	closeComplete();
	}
	}

	@Override
	protected boolean isOfType(int type) {
	return (type & TYPE_TASK_MENU) != 0;
	}

	@Override
	public ViewOutlineProvider getOutlineProvider() {
	return new ViewOutlineProvider() {
	@Override
	public void getOutline(View view, Outline outline) {
	outline.setRoundRect(0, 0, view.getWidth(), view.getHeight(),
	TaskCornerRadius.get(view.getContext()));
	}
	};
	}

	private void setPosition(float x, float y, int overscrollShift) {
	PagedOrientationHandler pagedOrientationHandler = mTaskView.getPagedOrientationHandler();
	// Inset due to margin
	PointF additionalInset = pagedOrientationHandler
	.getAdditionalInsetForTaskMenu(mTaskInsetMargin);
	int taskTopMargin = mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx;

	float adjustedY = y + taskTopMargin - additionalInset.y;
	float adjustedX = x - additionalInset.x;
	// Changing pivot to make computations easier
	// NOTE: Changing the pivots means the rotated view gets rotated about the new pivots set,
	// which would render the X and Y position set here incorrect
	setPivotX(0);
	if (mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get()) {
	// In tablet, set pivotY to original position without mThumbnailTopMargin adjustment.
	setPivotY(-taskTopMargin);
	} else {
	setPivotY(0);
	}
	setRotation(pagedOrientationHandler.getDegreesRotated());
	setX(pagedOrientationHandler.getTaskMenuX(adjustedX,
	mTaskView.getThumbnail(), overscrollShift));
	setY(pagedOrientationHandler.getTaskMenuY(
	adjustedY, mTaskView.getThumbnail(), overscrollShift));
	}

	public void onRotationChanged() {
	if (mOpenCloseAnimator != null && mOpenCloseAnimator.isRunning()) {
	mOpenCloseAnimator.end();
	}
	if (mIsOpen) {
	mOptionLayout.removeAllViews();
	if (!populateAndLayoutMenu()) {
	close(false);
	}
	}
	}

	public static boolean showForTask(TaskView taskView) {
	BaseDraggingActivity activity = BaseDraggingActivity.fromContext(taskView.getContext());
	final TaskMenuView taskMenuView = (TaskMenuView) activity.getLayoutInflater().inflate(
	R.layout.task_menu, activity.getDragLayer(), false);
	return taskMenuView.populateAndShowForTask(taskView);
	}

	private boolean populateAndShowForTask(TaskView taskView) {
	if (isAttachedToWindow()) {
	return false;
	}
	mActivity.getDragLayer().addView(this);
	mTaskView = taskView;
	if (!populateAndLayoutMenu()) {
	return false;
	}
	post(this::animateOpen);
	((RecentsView) mActivity.getOverviewPanel()).addOnScrollChangedListener(this);
	return true;
	}

	@Override
	public void onScrollChanged() {
	RecentsView rv = mTaskView.getRecentsView();
	setPosition(mTaskView.getX() - rv.getScrollX(), mTaskView.getY() - rv.getScrollY(),
	rv.getOverScrollShift());
	}

	/** @return true if successfully able to populate task view menu, false otherwise */
	private boolean populateAndLayoutMenu() {
	if (mTaskView.getTask().icon == null) {
	// Icon may not be loaded
	return false;
	}
	addMenuOptions(mTaskView);
	orientAroundTaskView(mTaskView);
	return true;
	}

	private void addMenuOptions(TaskView taskView) {
	mTaskName.setText(TaskUtils.getTitle(getContext(), taskView.getTask()));
	mTaskName.setOnClickListener(v -> close(true));

	TaskOverlayFactory.getEnabledShortcuts(taskView, mActivity.getDeviceProfile())
	.forEach(this::addMenuOption);
	}

	private void addMenuOption(SystemShortcut menuOption) {
	LinearLayout menuOptionView = (LinearLayout) mActivity.getLayoutInflater().inflate(
	R.layout.task_view_menu_option, this, false);
	menuOption.setIconAndLabelFor(
	menuOptionView.findViewById(R.id.icon), menuOptionView.findViewById(R.id.text));
	LayoutParams lp = (LayoutParams) menuOptionView.getLayoutParams();
	mTaskView.getPagedOrientationHandler().setLayoutParamsForTaskMenuOptionItem(lp,
	menuOptionView, mActivity.getDeviceProfile());
	menuOptionView.setEnabled(menuOption.isEnabled());
	menuOptionView.setAlpha(menuOption.isEnabled() ? 1 : 0.5f);
	menuOptionView.setOnClickListener(view -> {
	if (ENABLE_QUICKSTEP_LIVE_TILE.get() && !menuOption.hasFinishRecentsInAction()) {
	RecentsView recentsView = mTaskView.getRecentsView();
	recentsView.switchToScreenshot(null,
	() -> recentsView.finishRecentsAnimation(true /* toRecents */,
	false /* shouldPip */,
	() -> menuOption.onClick(view)));
	} else {
	menuOption.onClick(view);
	}
	});
	mOptionLayout.addView(menuOptionView);
	}

	private void orientAroundTaskView(TaskView taskView) {
	PagedOrientationHandler orientationHandler = taskView.getPagedOrientationHandler();
	measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
	orientationHandler.setTaskMenuAroundTaskView(this, mTaskInsetMargin);

	// Get Position
	mActivity.getDragLayer().getDescendantRectRelativeToSelf(taskView, sTempRect);
	Rect insets = mActivity.getDragLayer().getInsets();
	BaseDragLayer.LayoutParams params = (BaseDragLayer.LayoutParams) getLayoutParams();
	int padding = getResources()
	.getDimensionPixelSize(R.dimen.task_menu_vertical_padding);
	params.width = orientationHandler.getTaskMenuWidth(taskView.getThumbnail()) - (2 * padding);
	// Gravity set to Left instead of Start as sTempRect.left measures Left distance not Start
	params.gravity = Gravity.LEFT;
	setLayoutParams(params);
	setScaleX(taskView.getScaleX());
	setScaleY(taskView.getScaleY());

	// Set divider spacing
	ShapeDrawable divider = new ShapeDrawable(new RectShape());
	divider.getPaint().setColor(getResources().getColor(android.R.color.transparent));
	int dividerSpacing = (int) getResources().getDimension(R.dimen.task_menu_spacing);
	mOptionLayout.setShowDividers(SHOW_DIVIDER_MIDDLE);

	orientationHandler.setTaskOptionsMenuLayoutOrientation(
	mActivity.getDeviceProfile(), mOptionLayout, dividerSpacing, divider);
	setPosition(sTempRect.left - insets.left, sTempRect.top - insets.top, 0);
	}

	private void animateOpen() {
	animateOpenOrClosed(false);
	mIsOpen = true;
	}

	private void animateClose() {
	animateOpenOrClosed(true);
	}

	private void animateOpenOrClosed(boolean closing) {
	if (mOpenCloseAnimator != null && mOpenCloseAnimator.isRunning()) {
	mOpenCloseAnimator.end();
	}
	mOpenCloseAnimator = new AnimatorSet();

	final Animator revealAnimator = createOpenCloseOutlineProvider()
	.createRevealAnimator(this, closing);
	revealAnimator.setInterpolator(Interpolators.DEACCEL);
	mOpenCloseAnimator.playTogether(revealAnimator,
	ObjectAnimator.ofFloat(
	mTaskView.getThumbnail(), DIM_ALPHA,
	closing ? 0 : TaskView.MAX_PAGE_SCRIM_ALPHA),
	ObjectAnimator.ofFloat(this, ALPHA, closing ? 0 : 1));
	mOpenCloseAnimator.addListener(new AnimationSuccessListener() {
	@Override
	public void onAnimationStart(Animator animation) {
	setVisibility(VISIBLE);
	}

	@Override
	public void onAnimationSuccess(Animator animator) {
	if (closing) {
	closeComplete();
	}
	}
	});
	mOpenCloseAnimator.setDuration(closing ? REVEAL_CLOSE_DURATION: REVEAL_OPEN_DURATION);
	mOpenCloseAnimator.start();
	}

	private void closeComplete() {
	mIsOpen = false;
	mActivity.getDragLayer().removeView(this);
	((RecentsView) mActivity.getOverviewPanel()).removeOnScrollChangedListener(this);
	}

	private RoundedRectRevealOutlineProvider createOpenCloseOutlineProvider() {
	float radius = TaskCornerRadius.get(mContext);
	Rect fromRect = new Rect(0, 0, getWidth(), 0);
	Rect toRect = new Rect(0, 0, getWidth(), getHeight());
	return new RoundedRectRevealOutlineProvider(radius, radius, fromRect, toRect);
	}

	public View findMenuItemByText(String text) {
	for (int i = mOptionLayout.getChildCount() - 1; i >= 0; --i) {
	final ViewGroup menuOptionView = (ViewGroup) mOptionLayout.getChildAt(i);
	if (text.equals(menuOptionView.<TextView>findViewById(R.id.text).getText())) {
	return menuOptionView;
	}
	}
	return null;
	}
	}