| /* |
| * 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.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.animation.AccelerateInterpolator; |
| import android.widget.FrameLayout; |
| import com.android.systemui.R; |
| 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); |
| |
| // public void onTaskViewReboundToTask(TaskView tv, Task t); |
| } |
| |
| int mDim; |
| int mMaxDim; |
| TimeInterpolator mDimInterpolator = new AccelerateInterpolator(); |
| |
| Task mTask; |
| boolean mTaskDataLoaded; |
| boolean mIsFocused; |
| boolean mClipViewInStack; |
| Point mLastTouchDown = new Point(); |
| Path mRoundedRectClipPath = new Path(); |
| |
| TaskThumbnailView mThumbnailView; |
| TaskBarView mBarView; |
| TaskViewCallbacks mCb; |
| |
| |
| 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); |
| setWillNotDraw(false); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| mMaxDim = config.taskStackMaxDim; |
| |
| // By default, all views are clipped to other views in their stack |
| mClipViewInStack = true; |
| |
| // Bind the views |
| mThumbnailView = (TaskThumbnailView) findViewById(R.id.task_view_thumbnail); |
| mBarView = (TaskBarView) findViewById(R.id.task_view_bar); |
| |
| if (mTaskDataLoaded) { |
| onTaskDataLoaded(false); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| |
| // Update the rounded rect clip path |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| float radius = config.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() - |
| config.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 animateFromTransform, |
| TaskViewTransform toTransform, int duration) { |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| int minZ = config.taskViewTranslationZMinPx; |
| int incZ = config.taskViewTranslationZIncrementPx; |
| |
| // Update the bar view |
| mBarView.updateViewPropertiesToTaskTransform(animateFromTransform, toTransform, duration); |
| |
| // Update this task view |
| if (duration > 0) { |
| if (animateFromTransform != null) { |
| setTranslationY(animateFromTransform.translationY); |
| if (Constants.DebugFlags.App.EnableShadows) { |
| setTranslationZ(Math.max(minZ, minZ + (animateFromTransform.t * incZ))); |
| } |
| setScaleX(animateFromTransform.scale); |
| setScaleY(animateFromTransform.scale); |
| setAlpha(animateFromTransform.alpha); |
| } |
| if (Constants.DebugFlags.App.EnableShadows) { |
| animate().translationZ(Math.max(minZ, minZ + (toTransform.t * incZ))); |
| } |
| animate().translationY(toTransform.translationY) |
| .scaleX(toTransform.scale) |
| .scaleY(toTransform.scale) |
| .alpha(toTransform.alpha) |
| .setDuration(duration) |
| .setInterpolator(config.fastOutSlowInInterpolator) |
| .withLayer() |
| .setUpdateListener(new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| updateDimOverlayFromScale(); |
| } |
| }) |
| .start(); |
| } else { |
| setTranslationY(toTransform.translationY); |
| if (Constants.DebugFlags.App.EnableShadows) { |
| setTranslationZ(Math.max(minZ, minZ + (toTransform.t * incZ))); |
| } |
| setScaleX(toTransform.scale); |
| setScaleY(toTransform.scale); |
| setAlpha(toTransform.alpha); |
| } |
| updateDimOverlayFromScale(); |
| invalidate(); |
| } |
| |
| /** Resets this view's properties */ |
| void resetViewProperties() { |
| setTranslationX(0f); |
| setTranslationY(0f); |
| if (Constants.DebugFlags.App.EnableShadows) { |
| setTranslationZ(0f); |
| } |
| setScaleX(1f); |
| setScaleY(1f); |
| setAlpha(1f); |
| 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 prepareAnimateOnEnterRecents() { |
| mBarView.setVisibility(View.INVISIBLE); |
| } |
| |
| /** Animates this task view as it enters recents */ |
| public void animateOnEnterRecents() { |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| mBarView.setVisibility(View.VISIBLE); |
| mBarView.setTranslationY(-mBarView.getMeasuredHeight()); |
| mBarView.animate() |
| .translationY(0) |
| .setStartDelay(200) |
| .setInterpolator(config.fastOutSlowInInterpolator) |
| .setDuration(config.taskBarEnterAnimDuration) |
| .withLayer() |
| .start(); |
| } |
| |
| /** Animates this task view as it exits recents */ |
| public void animateOnLeavingRecents(final Runnable r) { |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| mBarView.animate() |
| .translationY(-mBarView.getMeasuredHeight()) |
| .setStartDelay(0) |
| .setInterpolator(config.fastOutLinearInInterpolator) |
| .setDuration(config.taskBarExitAnimDuration) |
| .withLayer() |
| .withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| post(r); |
| } |
| }) |
| .start(); |
| } |
| |
| /** Animates the deletion of this task view */ |
| public void animateRemoval(final Runnable r) { |
| // Disabling clipping with the stack while the view is animating away |
| setClipViewInStack(false); |
| |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| animate().translationX(config.taskViewRemoveAnimTranslationXPx) |
| .alpha(0f) |
| .setStartDelay(0) |
| .setInterpolator(config.fastOutSlowInInterpolator) |
| .setDuration(config.taskViewRemoveAnimDuration) |
| .withLayer() |
| .withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| post(r); |
| |
| // Re-enable clipping with the stack (we will reuse this view) |
| setClipViewInStack(false); |
| } |
| }) |
| .start(); |
| } |
| |
| /** 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); |
| } |
| |
| /** Disable the hw layers on this task view */ |
| void disableHwLayers() { |
| mThumbnailView.setLayerType(View.LAYER_TYPE_NONE, null); |
| } |
| |
| /** |
| * Returns whether this view should be clipped, or any views below should clip against this |
| * view. |
| */ |
| boolean shouldClipViewInStack() { |
| return mClipViewInStack; |
| } |
| |
| /** Sets whether this view should be clipped, or clipped against. */ |
| void setClipViewInStack(boolean clip) { |
| if (clip != mClipViewInStack) { |
| mClipViewInStack = clip; |
| if (getParent() instanceof View) { |
| Rect r = new Rect(); |
| getHitRect(r); |
| ((View) getParent()).invalidate(r); |
| } |
| } |
| } |
| |
| /** Update the dim as a function of the scale of this view. */ |
| void updateDimOverlayFromScale() { |
| float minScale = Constants.Values.TaskStackView.StackPeekMinScale; |
| float scaleRange = 1f - minScale; |
| float dim = (1f - getScaleX()) / scaleRange; |
| dim = mDimInterpolator.getInterpolation(Math.min(dim, 1f)); |
| mDim = Math.max(0, Math.min(mMaxDim, (int) (dim * 255))); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| // Apply the rounded rect clip path on the whole view |
| canvas.clipPath(mRoundedRectClipPath); |
| |
| super.draw(canvas); |
| |
| // 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) { |
| RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| if (config.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; |
| animateRemoval(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; |
| } |
| } |