| /* |
| * 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.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.Rect; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import com.android.systemui.recents.Console; |
| import com.android.systemui.recents.Constants; |
| import com.android.systemui.recents.RecentsConfiguration; |
| |
| |
| /** |
| * The full screen transition view that gets animated down from the full screen into a task |
| * thumbnail view. |
| */ |
| public class FullScreenTransitionView extends FrameLayout { |
| |
| /** The FullScreenTransitionView callbacks */ |
| public interface FullScreenTransitionViewCallbacks { |
| void onEnterAnimationComplete(boolean canceled); |
| } |
| |
| RecentsConfiguration mConfig; |
| |
| FullScreenTransitionViewCallbacks mCb; |
| |
| ImageView mScreenshotView; |
| Rect mClipRect = new Rect(); |
| Paint mLayerPaint = new Paint(); |
| |
| boolean mIsAnimating; |
| AnimatorSet mEnterAnimation; |
| |
| public FullScreenTransitionView(Context context, FullScreenTransitionViewCallbacks cb) { |
| super(context); |
| mConfig = RecentsConfiguration.getInstance(); |
| mCb = cb; |
| mScreenshotView = new ImageView(context); |
| mScreenshotView.setScaleType(ImageView.ScaleType.FIT_XY); |
| mScreenshotView.setLayoutParams(new FrameLayout.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); |
| addView(mScreenshotView); |
| setClipTop(getClipTop()); |
| setClipBottom(getClipBottom()); |
| setWillNotDraw(false); |
| } |
| |
| /** Sets the top clip */ |
| public void setClipTop(int clip) { |
| mClipRect.top = clip; |
| postInvalidateOnAnimation(); |
| } |
| |
| /** Gets the top clip */ |
| public int getClipTop() { |
| return mClipRect.top; |
| } |
| |
| /** Sets the bottom clip */ |
| public void setClipBottom(int clip) { |
| mClipRect.bottom = clip; |
| postInvalidateOnAnimation(); |
| } |
| |
| /** Gets the top clip */ |
| public int getClipBottom() { |
| return mClipRect.bottom; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| mClipRect.set(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| int restoreCount = canvas.save(Canvas.CLIP_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); |
| canvas.clipRect(mClipRect); |
| super.draw(canvas); |
| canvas.restoreToCount(restoreCount); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| /** Prepares the screenshot view for the transition into Recents */ |
| public void prepareAnimateOnEnterRecents(Bitmap screenshot) { |
| if (!mConfig.launchedFromAppWithScreenshot) return; |
| |
| if (Console.Enabled) { |
| Console.logStartTracingTime(Constants.Log.App.TimeRecentsScreenshotTransition, |
| Constants.Log.App.TimeRecentsScreenshotTransitionKey); |
| } |
| |
| setClipTop(0); |
| setClipBottom(getMeasuredHeight()); |
| setTranslationY(0f); |
| setScaleX(1f); |
| setScaleY(1f); |
| setVisibility(mConfig.launchedFromAppWithScreenshot ? View.VISIBLE : View.INVISIBLE); |
| if (screenshot != null) { |
| mScreenshotView.setImageBitmap(screenshot); |
| } else { |
| mScreenshotView.setImageDrawable(null); |
| } |
| } |
| |
| /** Resets the transition view */ |
| public void reset() { |
| setVisibility(View.INVISIBLE); |
| mScreenshotView.setImageDrawable(null); |
| } |
| |
| /** Animates this view as it enters recents */ |
| public void animateOnEnterRecents(ViewAnimation.TaskViewEnterContext ctx, |
| final Runnable postAnimRunnable) { |
| if (Console.Enabled) { |
| Console.logTraceTime(Constants.Log.App.TimeRecentsScreenshotTransition, |
| Constants.Log.App.TimeRecentsScreenshotTransitionKey, "Starting"); |
| } |
| |
| // Cancel the current animation |
| if (mEnterAnimation != null) { |
| mEnterAnimation.removeAllListeners(); |
| mEnterAnimation.cancel(); |
| } |
| |
| // Calculate the bottom clip |
| float scale = (float) ctx.taskRect.width() / getMeasuredWidth(); |
| int translationY = -mConfig.systemInsets.top + ctx.stackRectSansPeek.top + |
| ctx.transform.translationY; |
| int clipBottom = mConfig.systemInsets.top + (int) (ctx.taskRect.height() / scale); |
| |
| // Enable the HW Layers on the screenshot view |
| mScreenshotView.setLayerType(View.LAYER_TYPE_HARDWARE, mLayerPaint); |
| |
| // Compose the animation |
| mEnterAnimation = new AnimatorSet(); |
| mEnterAnimation.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| // Notify any callbacks |
| mCb.onEnterAnimationComplete(false); |
| // Run the given post-anim runnable |
| postAnimRunnable.run(); |
| // Mark that we are no longer animating |
| mIsAnimating = false; |
| // Disable the HW Layers on this view |
| setLayerType(View.LAYER_TYPE_NONE, mLayerPaint); |
| |
| if (Console.Enabled) { |
| Console.logTraceTime(Constants.Log.App.TimeRecentsScreenshotTransition, |
| Constants.Log.App.TimeRecentsScreenshotTransitionKey, "Completed"); |
| } |
| } |
| }); |
| mEnterAnimation.setStartDelay(0); |
| mEnterAnimation.setDuration(475); |
| mEnterAnimation.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| mEnterAnimation.playTogether( |
| ObjectAnimator.ofInt(this, "clipTop", mConfig.systemInsets.top), |
| ObjectAnimator.ofInt(this, "clipBottom", clipBottom), |
| ObjectAnimator.ofFloat(this, "translationY", translationY), |
| ObjectAnimator.ofFloat(this, "scaleX", scale), |
| ObjectAnimator.ofFloat(this, "scaleY", scale) |
| ); |
| mEnterAnimation.start(); |
| |
| mIsAnimating = true; |
| } |
| |
| /** Animates this view back out of Recents if we were in the process of animating in. */ |
| public boolean cancelAnimateOnEnterRecents(final Runnable postAnimRunnable) { |
| if (mIsAnimating) { |
| // Cancel the current animation |
| if (mEnterAnimation != null) { |
| mEnterAnimation.removeAllListeners(); |
| mEnterAnimation.cancel(); |
| } |
| |
| // Compose the animation |
| mEnterAnimation = new AnimatorSet(); |
| mEnterAnimation.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| // Notify any callbacks |
| mCb.onEnterAnimationComplete(true); |
| // Run the given post-anim runnable |
| postAnimRunnable.run(); |
| // Mark that we are no longer animating |
| mIsAnimating = false; |
| // Disable the HW Layers on the screenshot view |
| mScreenshotView.setLayerType(View.LAYER_TYPE_NONE, mLayerPaint); |
| } |
| }); |
| mEnterAnimation.setDuration(475); |
| mEnterAnimation.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| mEnterAnimation.playTogether( |
| ObjectAnimator.ofInt(this, "clipTop", 0), |
| ObjectAnimator.ofInt(this, "clipBottom", getMeasuredHeight()), |
| ObjectAnimator.ofFloat(this, "translationY", 0f), |
| ObjectAnimator.ofFloat(this, "scaleX", 1f), |
| ObjectAnimator.ofFloat(this, "scaleY", 1f) |
| ); |
| mEnterAnimation.start(); |
| |
| return true; |
| } |
| return false; |
| } |
| } |