| /* |
| * 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.ValueAnimator; |
| import android.graphics.Outline; |
| import android.graphics.Rect; |
| import android.view.View; |
| import android.view.ViewOutlineProvider; |
| |
| import com.android.systemui.recents.RecentsConfiguration; |
| |
| /* An outline provider that has a clip and outline that can be animated. */ |
| public class AnimateableViewBounds extends ViewOutlineProvider { |
| |
| RecentsConfiguration mConfig; |
| |
| TaskView mSourceView; |
| Rect mTmpRect = new Rect(); |
| Rect mClipRect = new Rect(); |
| Rect mClipBounds = new Rect(); |
| Rect mOutlineClipRect = new Rect(); |
| int mCornerRadius; |
| float mAlpha = 1f; |
| final float mMinAlpha = 0.25f; |
| |
| ObjectAnimator mClipTopAnimator; |
| ObjectAnimator mClipRightAnimator; |
| ObjectAnimator mClipBottomAnimator; |
| |
| public AnimateableViewBounds(TaskView source, int cornerRadius) { |
| mConfig = RecentsConfiguration.getInstance(); |
| mSourceView = source; |
| mCornerRadius = cornerRadius; |
| setClipTop(getClipTop()); |
| setClipRight(getClipRight()); |
| setClipBottom(getClipBottom()); |
| setOutlineClipBottom(getOutlineClipBottom()); |
| } |
| |
| @Override |
| public void getOutline(View view, Outline outline) { |
| outline.setAlpha(mMinAlpha + mAlpha / (1f - mMinAlpha)); |
| outline.setRoundRect(Math.max(mClipRect.left, mOutlineClipRect.left), |
| Math.max(mClipRect.top, mOutlineClipRect.top), |
| mSourceView.getWidth() - Math.max(mClipRect.right, mOutlineClipRect.right), |
| mSourceView.getHeight() - Math.max(mClipRect.bottom, mOutlineClipRect.bottom), |
| mCornerRadius); |
| } |
| |
| /** Sets the view outline alpha. */ |
| void setAlpha(float alpha) { |
| if (Float.compare(alpha, mAlpha) != 0) { |
| mAlpha = alpha; |
| mSourceView.invalidateOutline(); |
| } |
| } |
| |
| /** Animates the top clip. */ |
| void animateClipTop(int top, int duration, ValueAnimator.AnimatorUpdateListener updateListener) { |
| if (mClipTopAnimator != null) { |
| mClipTopAnimator.removeAllListeners(); |
| mClipTopAnimator.cancel(); |
| } |
| mClipTopAnimator = ObjectAnimator.ofInt(this, "clipTop", top); |
| mClipTopAnimator.setDuration(duration); |
| mClipTopAnimator.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| if (updateListener != null) { |
| mClipTopAnimator.addUpdateListener(updateListener); |
| } |
| mClipTopAnimator.start(); |
| } |
| |
| /** Sets the top clip. */ |
| public void setClipTop(int top) { |
| if (top != mClipRect.top) { |
| mClipRect.top = top; |
| mSourceView.invalidateOutline(); |
| updateClipBounds(); |
| } |
| } |
| |
| /** Returns the top clip. */ |
| public int getClipTop() { |
| return mClipRect.top; |
| } |
| |
| /** Animates the right clip. */ |
| void animateClipRight(int right, int duration) { |
| if (mClipRightAnimator != null) { |
| mClipRightAnimator.removeAllListeners(); |
| mClipRightAnimator.cancel(); |
| } |
| mClipRightAnimator = ObjectAnimator.ofInt(this, "clipRight", right); |
| mClipRightAnimator.setDuration(duration); |
| mClipRightAnimator.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| mClipRightAnimator.start(); |
| } |
| |
| /** Sets the right clip. */ |
| public void setClipRight(int right) { |
| if (right != mClipRect.right) { |
| mClipRect.right = right; |
| mSourceView.invalidateOutline(); |
| updateClipBounds(); |
| } |
| } |
| |
| /** Returns the right clip. */ |
| public int getClipRight() { |
| return mClipRect.right; |
| } |
| |
| /** Animates the bottom clip. */ |
| void animateClipBottom(int bottom, int duration) { |
| if (mClipBottomAnimator != null) { |
| mClipBottomAnimator.removeAllListeners(); |
| mClipBottomAnimator.cancel(); |
| } |
| mClipBottomAnimator = ObjectAnimator.ofInt(this, "clipBottom", bottom); |
| mClipBottomAnimator.setDuration(duration); |
| mClipBottomAnimator.setInterpolator(mConfig.fastOutSlowInInterpolator); |
| mClipBottomAnimator.start(); |
| } |
| |
| /** Sets the bottom clip. */ |
| public void setClipBottom(int bottom) { |
| if (bottom != mClipRect.bottom) { |
| mClipRect.bottom = bottom; |
| mSourceView.invalidateOutline(); |
| updateClipBounds(); |
| if (!mConfig.useHardwareLayers) { |
| mSourceView.mThumbnailView.updateVisibility( |
| bottom - mSourceView.getPaddingBottom()); |
| } |
| } |
| } |
| |
| /** Returns the bottom clip. */ |
| public int getClipBottom() { |
| return mClipRect.bottom; |
| } |
| |
| /** Sets the outline bottom clip. */ |
| public void setOutlineClipBottom(int bottom) { |
| if (bottom != mOutlineClipRect.bottom) { |
| mOutlineClipRect.bottom = bottom; |
| mSourceView.invalidateOutline(); |
| } |
| } |
| |
| /** Gets the outline bottom clip. */ |
| public int getOutlineClipBottom() { |
| return mOutlineClipRect.bottom; |
| } |
| |
| private void updateClipBounds() { |
| mClipBounds.set(mClipRect.left, mClipRect.top, |
| mSourceView.getWidth() - mClipRect.right, |
| mSourceView.getHeight() - mClipRect.bottom); |
| mSourceView.setClipBounds(mClipBounds); |
| } |
| } |