| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.recents.views; |
| |
| import android.animation.ObjectAnimator; |
| import android.animation.TimeInterpolator; |
| import android.animation.ValueAnimator; |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Outline; |
| import android.graphics.Path; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewPropertyAnimator; |
| import android.view.animation.AccelerateInterpolator; |
| import android.widget.FrameLayout; |
| import com.android.systemui.R; |
| import com.android.systemui.recents.Console; |
| import com.android.systemui.recents.Constants; |
| import com.android.systemui.recents.RecentsConfiguration; |
| import com.android.systemui.recents.model.Task; |
| |
| |
| /* A task view */ |
| public class TaskView extends FrameLayout implements Task.TaskCallbacks, View.OnClickListener, |
| View.OnLongClickListener { |
| /** The TaskView callbacks */ |
| interface TaskViewCallbacks { |
| public void onTaskIconClicked(TaskView tv); |
| public void onTaskAppInfoClicked(TaskView tv); |
| public void onTaskFocused(TaskView tv); |
| public void onTaskDismissed(TaskView tv); |
| } |
| |
| RecentsConfiguration mConfig; |
| |
| int mDim; |
| int mMaxDim; |
| TimeInterpolator mDimInterpolator = new AccelerateInterpolator(); |
| |
| Task mTask; |
| boolean mTaskDataLoaded; |
| boolean mIsFocused; |
| boolean mClipViewInStack; |
| Point mLastTouchDown = new Point(); |
| Path mRoundedRectClipPath = new Path(); |
| Rect mTmpRect = new Rect(); |
| |
| TaskThumbnailView mThumbnailView; |
| TaskBarView mBarView; |
| TaskViewCallbacks mCb; |
| |
| // Optimizations |
| ValueAnimator.AnimatorUpdateListener mUpdateDimListener = |
| new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| updateDimOverlayFromScale(); |
| } |
| }; |
| Runnable mEnableThumbnailClip = new Runnable() { |
| @Override |
| public void run() { |
| mThumbnailView.updateTaskBarClip(mBarView); |
| } |
| }; |
| Runnable mDisableThumbnailClip = new Runnable() { |
| @Override |
| public void run() { |
| mThumbnailView.disableClipTaskBarView(); |
| } |
| }; |
| |
| |
| public TaskView(Context context) { |
| this(context, null); |
| } |
| |
| public TaskView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public TaskView(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public TaskView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mConfig = RecentsConfiguration.getInstance(); |
| setWillNotDraw(false); |
| setDim(getDim()); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| mMaxDim = mConfig.taskStackMaxDim; |
| |
| // By default, all views are clipped to other views in their stack |
| mClipViewInStack = true; |
| |
| // Bind the views |
| mBarView = (TaskBarView) findViewById(R.id.task_view_bar); |
| mThumbnailView = (TaskThumbnailView) findViewById(R.id.task_view_thumbnail); |
| |
| if (mTaskDataLoaded) { |
| onTaskDataLoaded(false); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| |
| // Update the rounded rect clip path |
| float radius = mConfig.taskViewRoundedCornerRadiusPx; |
| mRoundedRectClipPath.reset(); |
| mRoundedRectClipPath.addRoundRect(new RectF(0, 0, getMeasuredWidth(), getMeasuredHeight()), |
| radius, radius, Path.Direction.CW); |
| |
| // Update the outline |
| Outline o = new Outline(); |
| o.setRoundRect(0, 0, getMeasuredWidth(), getMeasuredHeight() - |
| mConfig.taskViewShadowOutlineBottomInsetPx, radius); |
| setOutline(o); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| switch (ev.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| case MotionEvent.ACTION_MOVE: |
| mLastTouchDown.set((int) ev.getX(), (int) ev.getY()); |
| break; |
| } |
| return super.onInterceptTouchEvent(ev); |
| } |
| |
| /** Set callback */ |
| void setCallbacks(TaskViewCallbacks cb) { |
| mCb = cb; |
| } |
| |
| /** Gets the task */ |
| Task getTask() { |
| return mTask; |
| } |
| |
| /** Synchronizes this view's properties with the task's transform */ |
| void updateViewPropertiesToTaskTransform(TaskViewTransform toTransform, int duration) { |
| if (Console.Enabled) { |
| Console.log(Constants.Log.UI.Draw, "[TaskView|updateViewPropertiesToTaskTransform]", |
| "duration: " + duration, Console.AnsiPurple); |
| } |
| |
| // Update the bar view |
| mBarView.updateViewPropertiesToTaskTransform(toTransform, duration); |
| |
| // Check to see if any properties have changed, and update the task view |
| if (duration > 0) { |
| ViewPropertyAnimator anim = animate(); |
| boolean useLayers = false; |
| |
| // Animate to the final state |
| if (toTransform.hasTranslationYChangedFrom(getTranslationY())) { |
| anim.translationY(toTransform.translationY); |
| } |
| if (Constants.DebugFlags.App.EnableShadows && |
| toTransform.hasTranslationZChangedFrom(getTranslationZ())) { |
| anim.translationZ(toTransform.translationZ); |
| } |
| if (toTransform.hasScaleChangedFrom(getScaleX())) { |
| anim.scaleX(toTransform.scale) |
| .scaleY(toTransform.scale) |
| .setUpdateListener(mUpdateDimListener); |
| useLayers = true; |
| } |
| if (toTransform.hasAlphaChangedFrom(getAlpha())) { |
| // Use layers if we animate alpha |
| anim.alpha(toTransform.alpha); |
| useLayers = true; |
| } |
| if (useLayers) { |
| anim.withLayer(); |
| } |
| anim.setStartDelay(0) |
| .setDuration(duration) |
| .setInterpolator(mConfig.fastOutSlowInInterpolator) |
| .start(); |
| } else { |
| // Set the changed properties |
| if (toTransform.hasTranslationYChangedFrom(getTranslationY())) { |
| setTranslationY(toTransform.translationY); |
| } |
| if (Constants.DebugFlags.App.EnableShadows && |
| toTransform.hasTranslationZChangedFrom(getTranslationZ())) { |
| setTranslationZ(toTransform.translationZ); |
| } |
| if (toTransform.hasScaleChangedFrom(getScaleX())) { |
| setScaleX(toTransform.scale); |
| setScaleY(toTransform.scale); |
| updateDimOverlayFromScale(); |
| } |
| if (toTransform.hasAlphaChangedFrom(getAlpha())) { |
| setAlpha(toTransform.alpha); |
| } |
| } |
| } |
| |
| /** Resets this view's properties */ |
| void resetViewProperties() { |
| setTranslationX(0f); |
| setTranslationY(0f); |
| if (Constants.DebugFlags.App.EnableShadows) { |
| setTranslationZ(0f); |
| } |
| setScaleX(1f); |
| setScaleY(1f); |
| setAlpha(1f); |
| setDim(0); |
| invalidate(); |
| } |
| |
| /** |
| * When we are un/filtering, this method will set up the transform that we are animating to, |
| * in order to hide the task. |
| */ |
| void prepareTaskTransformForFilterTaskHidden(TaskViewTransform toTransform) { |
| // Fade the view out and slide it away |
| toTransform.alpha = 0f; |
| toTransform.translationY += 200; |
| } |
| |
| /** |
| * When we are un/filtering, this method will setup the transform that we are animating from, |
| * in order to show the task. |
| */ |
| void prepareTaskTransformForFilterTaskVisible(TaskViewTransform fromTransform) { |
| // Fade the view in |
| fromTransform.alpha = 0f; |
| } |
| |
| /** Prepares this task view for the enter-recents animations. This is called earlier in the |
| * first layout because the actual animation into recents may take a long time. */ |
| public void prepareEnterRecentsAnimation(boolean isTaskViewFrontMost, int offsetY, int offscreenY, |
| Rect taskRect) { |
| if (mConfig.launchedFromAppWithScreenshot) { |
| if (isTaskViewFrontMost) { |
| // Hide the task view as we are going to animate the full screenshot into view |
| // and then replace it with this view once we are done |
| setVisibility(View.INVISIBLE); |
| // Also hide the front most task bar view so we can animate it in |
| mBarView.prepareEnterRecentsAnimation(); |
| } else { |
| // Top align the task views |
| setTranslationY(offsetY); |
| setScaleX(1f); |
| setScaleY(1f); |
| } |
| |
| } else if (mConfig.launchedFromAppWithThumbnail) { |
| if (isTaskViewFrontMost) { |
| // Hide the front most task bar view so we can animate it in |
| mBarView.prepareEnterRecentsAnimation(); |
| // Set the dim to 0 so we can animate it in |
| setDim(0); |
| } |
| |
| } else if (mConfig.launchedFromHome) { |
| // Move the task view off screen (below) so we can animate it in |
| setTranslationY(offscreenY); |
| setTranslationZ(0); |
| setScaleX(1f); |
| setScaleY(1f); |
| } |
| } |
| |
| /** Animates this task view as it enters recents */ |
| public void startEnterRecentsAnimation(ViewAnimation.TaskViewEnterContext ctx) { |
| TaskViewTransform transform = ctx.transform; |
| |
| if (mConfig.launchedFromAppWithScreenshot) { |
| if (ctx.isFrontMost) { |
| // Animate the full screenshot down first, before swapping with this task view |
| ctx.fullScreenshot.animateOnEnterRecents(ctx, new Runnable() { |
| @Override |
| public void run() { |
| // Animate the task bar of the first task view |
| mBarView.startEnterRecentsAnimation(0, mEnableThumbnailClip); |
| setVisibility(View.VISIBLE); |
| } |
| }); |
| } else { |
| // Animate the tasks down behind the full screenshot |
| animate() |
| .scaleX(transform.scale) |
| .scaleY(transform.scale) |
| .translationY(transform.translationY) |
| .setStartDelay(0) |
| .setUpdateListener(null) |
| .setInterpolator(mConfig.linearOutSlowInInterpolator) |
| .setDuration(475) |
| .withLayer() |
| .withEndAction(mEnableThumbnailClip) |
| .start(); |
| } |
| |
| } else if (mConfig.launchedFromAppWithThumbnail) { |
| if (ctx.isFrontMost) { |
| // Animate the task bar of the first task view |
| mBarView.startEnterRecentsAnimation(mConfig.taskBarEnterAnimDelay, mEnableThumbnailClip); |
| |
| // Animate the dim into view as well |
| ObjectAnimator anim = ObjectAnimator.ofInt(this, "dim", getDimOverlayFromScale()); |
| anim.setStartDelay(mConfig.taskBarEnterAnimDelay); |
| anim.setDuration(mConfig.taskBarEnterAnimDuration); |
| anim.setInterpolator(mConfig.fastOutLinearInInterpolator); |
| anim.start(); |
| } else { |
| mEnableThumbnailClip.run(); |
| } |
| |
| } else if (mConfig.launchedFromHome) { |
| // Animate the tasks up |
| int frontIndex = (ctx.stackViewCount - ctx.stackViewIndex - 1); |
| int delay = mConfig.taskBarEnterAnimDelay + |
| frontIndex * mConfig.taskViewEnterFromHomeDelay; |
| animate() |
| .scaleX(transform.scale) |
| .scaleY(transform.scale) |
| .translationY(transform.translationY) |
| .translationZ(transform.translationZ) |
| .setStartDelay(delay) |
| .setUpdateListener(null) |
| .setInterpolator(mConfig.quintOutInterpolator) |
| .setDuration(mConfig.taskViewEnterFromHomeDuration) |
| .withLayer() |
| .withEndAction(mEnableThumbnailClip) |
| .start(); |
| } |
| } |
| |
| /** Animates this task view as it leaves recents by pressing home. */ |
| public void startExitToHomeAnimation(ViewAnimation.TaskViewExitContext ctx) { |
| animate() |
| .translationY(ctx.offscreenTranslationY) |
| .setStartDelay(0) |
| .setUpdateListener(null) |
| .setInterpolator(mConfig.fastOutLinearInInterpolator) |
| .setDuration(mConfig.taskViewExitToHomeDuration) |
| .withLayer() |
| .withEndAction(ctx.postAnimationTrigger.decrementAsRunnable()) |
| .start(); |
| ctx.postAnimationTrigger.increment(); |
| } |
| |
| /** Animates this task view as it exits recents */ |
| public void startLaunchTaskAnimation(final Runnable r, boolean isLaunchingTask) { |
| if (isLaunchingTask) { |
| // Disable the thumbnail clip and animate the bar out |
| mBarView.startLaunchTaskAnimation(mDisableThumbnailClip, r); |
| |
| // Animate the dim |
| if (mDim > 0) { |
| ObjectAnimator anim = ObjectAnimator.ofInt(this, "dim", 0); |
| anim.setDuration(mConfig.taskBarExitAnimDuration); |
| anim.setInterpolator(mConfig.fastOutLinearInInterpolator); |
| anim.start(); |
| } |
| } else { |
| // Hide the dismiss button |
| mBarView.startLaunchTaskDismissAnimation(); |
| } |
| } |
| |
| /** Animates the deletion of this task view */ |
| public void startDeleteTaskAnimation(final Runnable r) { |
| // Disabling clipping with the stack while the view is animating away |
| setClipViewInStack(false); |
| |
| animate().translationX(mConfig.taskViewRemoveAnimTranslationXPx) |
| .alpha(0f) |
| .setStartDelay(0) |
| .setUpdateListener(null) |
| .setInterpolator(mConfig.fastOutSlowInInterpolator) |
| .setDuration(mConfig.taskViewRemoveAnimDuration) |
| .withLayer() |
| .withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| // We just throw this into a runnable because starting a view property |
| // animation using layers can cause inconsisten results if we try and |
| // update the layers while the animation is running. In some cases, |
| // the runnabled passed in may start an animation which also uses layers |
| // so we defer all this by posting this. |
| r.run(); |
| |
| // Re-enable clipping with the stack (we will reuse this view) |
| setClipViewInStack(true); |
| } |
| }) |
| .start(); |
| } |
| |
| /** Animates this task view if the user does not interact with the stack after a certain time. */ |
| public void startNoUserInteractionAnimation() { |
| mBarView.startNoUserInteractionAnimation(); |
| } |
| |
| /** Mark this task view that the user does has not interacted with the stack after a certain time. */ |
| public void setNoUserInteractionState() { |
| mBarView.setNoUserInteractionState(); |
| } |
| |
| /** Returns the rect we want to clip (it may not be the full rect) */ |
| Rect getClippingRect(Rect outRect) { |
| getHitRect(outRect); |
| // XXX: We should get the hit rect of the thumbnail view and intersect, but this is faster |
| outRect.right = outRect.left + mThumbnailView.getRight(); |
| outRect.bottom = outRect.top + mThumbnailView.getBottom(); |
| return outRect; |
| } |
| |
| /** Enable the hw layers on this task view */ |
| void enableHwLayers() { |
| mThumbnailView.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| mBarView.enableHwLayers(); |
| } |
| |
| /** Disable the hw layers on this task view */ |
| void disableHwLayers() { |
| mThumbnailView.setLayerType(View.LAYER_TYPE_NONE, null); |
| mBarView.disableHwLayers(); |
| } |
| |
| /** |
| * Returns whether this view should be clipped, or any views below should clip against this |
| * view. |
| */ |
| boolean shouldClipViewInStack() { |
| return mClipViewInStack && (getVisibility() == View.VISIBLE); |
| } |
| |
| /** Sets whether this view should be clipped, or clipped against. */ |
| void setClipViewInStack(boolean clip) { |
| if (clip != mClipViewInStack) { |
| mClipViewInStack = clip; |
| if (getParent() instanceof View) { |
| getHitRect(mTmpRect); |
| ((View) getParent()).invalidate(mTmpRect); |
| } |
| } |
| } |
| |
| /** Returns the current dim. */ |
| public void setDim(int dim) { |
| mDim = dim; |
| postInvalidateOnAnimation(); |
| } |
| |
| /** Returns the current dim. */ |
| public int getDim() { |
| return mDim; |
| } |
| |
| /** Compute the dim as a function of the scale of this view. */ |
| int getDimOverlayFromScale() { |
| float minScale = Constants.Values.TaskStackView.StackPeekMinScale; |
| float scaleRange = 1f - minScale; |
| float dim = (1f - getScaleX()) / scaleRange; |
| dim = mDimInterpolator.getInterpolation(Math.min(dim, 1f)); |
| return Math.max(0, Math.min(mMaxDim, (int) (dim * 255))); |
| } |
| |
| /** Update the dim as a function of the scale of this view. */ |
| void updateDimOverlayFromScale() { |
| setDim(getDimOverlayFromScale()); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| int restoreCount = canvas.save(Canvas.CLIP_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); |
| // Apply the rounded rect clip path on the whole view |
| canvas.clipPath(mRoundedRectClipPath); |
| super.draw(canvas); |
| canvas.restoreToCount(restoreCount); |
| |
| // Apply the dim if necessary |
| if (mDim > 0) { |
| canvas.drawColor(mDim << 24); |
| } |
| } |
| |
| /** |
| * Sets the focused task explicitly. We need a separate flag because requestFocus() won't happen |
| * if the view is not currently visible, or we are in touch state (where we still want to keep |
| * track of focus). |
| */ |
| public void setFocusedTask() { |
| mIsFocused = true; |
| requestFocus(); |
| invalidate(); |
| mCb.onTaskFocused(this); |
| } |
| |
| /** |
| * Updates the explicitly focused state when the view focus changes. |
| */ |
| @Override |
| protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) { |
| super.onFocusChanged(gainFocus, direction, previouslyFocusedRect); |
| if (!gainFocus) { |
| mIsFocused = false; |
| invalidate(); |
| } |
| } |
| |
| /** |
| * Returns whether we have explicitly been focused. |
| */ |
| public boolean isFocusedTask() { |
| return mIsFocused || isFocused(); |
| } |
| |
| /**** TaskCallbacks Implementation ****/ |
| |
| /** Binds this task view to the task */ |
| public void onTaskBound(Task t) { |
| mTask = t; |
| mTask.setCallbacks(this); |
| } |
| |
| @Override |
| public void onTaskDataLoaded(boolean reloadingTaskData) { |
| if (mThumbnailView != null && mBarView != null) { |
| // Bind each of the views to the new task data |
| mThumbnailView.rebindToTask(mTask, reloadingTaskData); |
| mBarView.rebindToTask(mTask, reloadingTaskData); |
| // Rebind any listeners |
| mBarView.mApplicationIcon.setOnClickListener(this); |
| mBarView.mDismissButton.setOnClickListener(this); |
| if (Constants.DebugFlags.App.EnableDevAppInfoOnLongPress) { |
| if (mConfig.developerOptionsEnabled) { |
| mBarView.mApplicationIcon.setOnLongClickListener(this); |
| } |
| } |
| } |
| mTaskDataLoaded = true; |
| } |
| |
| @Override |
| public void onTaskDataUnloaded() { |
| if (mThumbnailView != null && mBarView != null) { |
| // Unbind each of the views from the task data and remove the task callback |
| mTask.setCallbacks(null); |
| mThumbnailView.unbindFromTask(); |
| mBarView.unbindFromTask(); |
| // Unbind any listeners |
| mBarView.mApplicationIcon.setOnClickListener(null); |
| mBarView.mDismissButton.setOnClickListener(null); |
| if (Constants.DebugFlags.App.EnableDevAppInfoOnLongPress) { |
| mBarView.mApplicationIcon.setOnLongClickListener(null); |
| } |
| } |
| mTaskDataLoaded = false; |
| } |
| |
| @Override |
| public void onClick(View v) { |
| if (v == mBarView.mApplicationIcon) { |
| mCb.onTaskIconClicked(this); |
| } else if (v == mBarView.mDismissButton) { |
| // Animate out the view and call the callback |
| final TaskView tv = this; |
| startDeleteTaskAnimation(new Runnable() { |
| @Override |
| public void run() { |
| mCb.onTaskDismissed(tv); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public boolean onLongClick(View v) { |
| if (v == mBarView.mApplicationIcon) { |
| mCb.onTaskAppInfoClicked(this); |
| return true; |
| } |
| return false; |
| } |
| } |