| /* |
| * 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.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.animation.AccelerateInterpolator; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import com.android.systemui.R; |
| 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 FullscreenTransitionOverlayView extends FrameLayout { |
| |
| /** The FullscreenTransitionOverlayView callbacks */ |
| public interface FullScreenTransitionViewCallbacks { |
| void onEnterAnimationComplete(); |
| } |
| |
| RecentsConfiguration mConfig; |
| |
| FullScreenTransitionViewCallbacks mCb; |
| |
| ImageView mScreenshotView; |
| Rect mClipRect = new Rect(); |
| Paint mLayerPaint = new Paint(); |
| PorterDuffColorFilter mDimColorFilter = new PorterDuffColorFilter(0, PorterDuff.Mode.MULTIPLY); |
| |
| int mDim; |
| int mMaxDim; |
| AccelerateInterpolator mDimInterpolator = new AccelerateInterpolator(); |
| |
| boolean mIsAnimating; |
| AnimatorSet mEnterAnimation; |
| |
| public FullscreenTransitionOverlayView(Context context) { |
| super(context); |
| } |
| |
| public FullscreenTransitionOverlayView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public FullscreenTransitionOverlayView(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public FullscreenTransitionOverlayView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mConfig = RecentsConfiguration.getInstance(); |
| mMaxDim = mConfig.taskStackMaxDim; |
| setClipTop(getClipTop()); |
| setClipBottom(getClipBottom()); |
| setDim(getDim()); |
| setWillNotDraw(false); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| mScreenshotView = (ImageView) findViewById(R.id.image); |
| } |
| |
| /** Sets the callbacks */ |
| public void setCallbacks(FullScreenTransitionViewCallbacks cb) { |
| mCb = cb; |
| } |
| |
| /** Sets the top clip */ |
| public void setClipTop(int clip) { |
| mClipRect.top = clip; |
| setClipBounds(mClipRect); |
| } |
| |
| /** Gets the top clip */ |
| public int getClipTop() { |
| return mClipRect.top; |
| } |
| |
| /** Sets the bottom clip */ |
| public void setClipBottom(int clip) { |
| mClipRect.bottom = clip; |
| setClipBounds(mClipRect); |
| } |
| |
| /** Gets the top clip */ |
| public int getClipBottom() { |
| return mClipRect.bottom; |
| } |
| |
| /** Returns the current dim. */ |
| public void setDim(int dim) { |
| mDim = dim; |
| /* |
| int inverse = 255 - mDim; |
| mDimColorFilter.setColor(Color.argb(0xFF, inverse, inverse, inverse)); |
| mLayerPaint.setColorFilter(mDimColorFilter); |
| setLayerType(LAYER_TYPE_HARDWARE, mLayerPaint); |
| */ |
| } |
| |
| /** Returns the current dim. */ |
| public int getDim() { |
| return mDim; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| mClipRect.set(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| /** Prepares the screenshot view for the transition into Recents */ |
| public void prepareAnimateOnEnterRecents(Bitmap screenshot) { |
| if (!mConfig.launchedFromAppWithScreenshot) return; |
| |
| setClipTop(0); |
| setClipBottom(getMeasuredHeight()); |
| setDim(0); |
| 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.GONE); |
| mScreenshotView.setImageDrawable(null); |
| } |
| |
| /** Animates this view as it enters recents */ |
| public void animateOnEnterRecents(ViewAnimation.TaskViewEnterContext ctx, |
| final Runnable postAnimRunnable) { |
| // Cancel the current animation |
| if (mEnterAnimation != null) { |
| mEnterAnimation.removeAllListeners(); |
| mEnterAnimation.cancel(); |
| } |
| |
| // Calculate the bottom clip |
| Rect targetTaskRect = ctx.targetTaskTransform.rect; |
| float scale = (float) targetTaskRect.width() / getMeasuredWidth(); |
| float scaleYOffset = ((1f - scale) * getMeasuredHeight()) / 2; |
| float scaledTopInset = (int) (scale * mConfig.systemInsets.top); |
| int translationY = (int) -scaleYOffset + (int) (mConfig.systemInsets.top - scaledTopInset) |
| + targetTaskRect.top; |
| int clipBottom = mConfig.systemInsets.top + (int) (targetTaskRect.height() / scale); |
| |
| // Calculate the dim |
| float minScale = TaskStackViewLayoutAlgorithm.StackPeekMinScale; |
| float scaleRange = 1f - minScale; |
| float dim = (1f - ctx.targetTaskTransform.scale) / scaleRange; |
| dim = mDimInterpolator.getInterpolation(Math.min(dim, 1f)); |
| int toDim = Math.max(0, Math.min(mMaxDim, (int) (dim * 255))); |
| |
| // 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) { |
| post(new Runnable() { |
| @Override |
| public void run() { |
| // Mark that we are no longer animating |
| mIsAnimating = false; |
| // Disable the HW Layers on this view |
| setLayerType(View.LAYER_TYPE_NONE, mLayerPaint); |
| // Notify any callbacks |
| mCb.onEnterAnimationComplete(); |
| // Run the given post-anim runnable |
| postAnimRunnable.run(); |
| } |
| }); |
| } |
| }); |
| // XXX: Translation y should be negative initially to simulate moving from the top of the screen? |
| 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.ofInt(this, "dim", toDim), |
| ObjectAnimator.ofFloat(this, "translationY", translationY), |
| ObjectAnimator.ofFloat(this, "scaleX", scale), |
| ObjectAnimator.ofFloat(this, "scaleY", scale) |
| ); |
| setClipTop(mConfig.systemInsets.top); |
| 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(); |
| } |
| |
| // 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) { |
| post(new Runnable() { |
| @Override |
| public void 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); |
| // Notify any callbacks |
| mCb.onEnterAnimationComplete(); |
| // Run the given post-anim runnable |
| postAnimRunnable.run(); |
| } |
| }); |
| } |
| }); |
| mEnterAnimation.setDuration(475); |
| mEnterAnimation.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| mEnterAnimation.playTogether( |
| ObjectAnimator.ofInt(this, "clipTop", 0), |
| ObjectAnimator.ofInt(this, "clipBottom", getMeasuredHeight()), |
| ObjectAnimator.ofInt(this, "dim", 0), |
| ObjectAnimator.ofFloat(this, "translationY", 0f), |
| ObjectAnimator.ofFloat(this, "scaleX", 1f), |
| ObjectAnimator.ofFloat(this, "scaleY", 1f) |
| ); |
| mEnterAnimation.start(); |
| |
| return true; |
| } |
| return false; |
| } |
| } |