| /* |
| * 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.animation.ValueAnimator; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Color; |
| import android.graphics.Outline; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.util.FloatProperty; |
| import android.util.IntProperty; |
| import android.util.Property; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewOutlineProvider; |
| import android.view.animation.AccelerateInterpolator; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| import android.widget.FrameLayout; |
| import com.android.systemui.R; |
| import com.android.systemui.recents.Recents; |
| import com.android.systemui.recents.RecentsActivity; |
| import com.android.systemui.recents.RecentsConfiguration; |
| import com.android.systemui.recents.events.EventBus; |
| import com.android.systemui.recents.events.activity.LaunchTaskEvent; |
| import com.android.systemui.recents.events.ui.DismissTaskViewEvent; |
| import com.android.systemui.recents.events.ui.TaskViewDismissedEvent; |
| import com.android.systemui.recents.events.ui.dragndrop.DragEndEvent; |
| import com.android.systemui.recents.events.ui.dragndrop.DragStartEvent; |
| import com.android.systemui.recents.misc.ReferenceCountedTrigger; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.recents.misc.Utilities; |
| import com.android.systemui.recents.model.Task; |
| import com.android.systemui.recents.model.TaskStack; |
| import com.android.systemui.statusbar.phone.PhoneStatusBar; |
| |
| import java.util.ArrayList; |
| |
| import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| |
| /* A task view */ |
| public class TaskView extends FrameLayout implements Task.TaskCallbacks, |
| TaskStackAnimationHelper.Callbacks, View.OnClickListener, View.OnLongClickListener { |
| |
| /** The TaskView callbacks */ |
| interface TaskViewCallbacks { |
| void onTaskViewClipStateChanged(TaskView tv); |
| } |
| |
| /** |
| * The dim overlay is generally calculated from the task progress, but occasionally (like when |
| * launching) needs to be animated independently of the task progress. |
| */ |
| public static final Property<TaskView, Integer> DIM = |
| new IntProperty<TaskView>("dim") { |
| @Override |
| public void setValue(TaskView tv, int dim) { |
| tv.setDim(dim); |
| } |
| |
| @Override |
| public Integer get(TaskView tv) { |
| return tv.getDim(); |
| } |
| }; |
| |
| public static final Property<TaskView, Float> TASK_PROGRESS = |
| new FloatProperty<TaskView>("taskProgress") { |
| @Override |
| public void setValue(TaskView tv, float p) { |
| tv.setTaskProgress(p); |
| } |
| |
| @Override |
| public Float get(TaskView tv) { |
| return tv.getTaskProgress(); |
| } |
| }; |
| |
| float mTaskProgress; |
| float mMaxDimScale; |
| int mDimAlpha; |
| AccelerateInterpolator mDimInterpolator = new AccelerateInterpolator(3f); |
| PorterDuffColorFilter mDimColorFilter = new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_ATOP); |
| Paint mDimLayerPaint = new Paint(); |
| float mActionButtonTranslationZ; |
| |
| Task mTask; |
| boolean mTaskDataLoaded; |
| boolean mClipViewInStack = true; |
| AnimateableViewBounds mViewBounds; |
| |
| private AnimatorSet mTransformAnimation; |
| private ArrayList<Animator> mTmpAnimators = new ArrayList<>(); |
| |
| View mContent; |
| TaskViewThumbnail mThumbnailView; |
| TaskViewHeader mHeaderView; |
| View mActionButtonView; |
| TaskViewCallbacks mCb; |
| |
| Point mDownTouchPos = new Point(); |
| |
| Interpolator mFastOutSlowInInterpolator; |
| |
| 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); |
| RecentsConfiguration config = Recents.getConfiguration(); |
| Resources res = context.getResources(); |
| mMaxDimScale = res.getInteger(R.integer.recents_max_task_stack_view_dim) / 255f; |
| mViewBounds = new AnimateableViewBounds(this, res.getDimensionPixelSize( |
| R.dimen.recents_task_view_rounded_corners_radius)); |
| mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context, |
| com.android.internal.R.interpolator.fast_out_slow_in); |
| if (config.fakeShadows) { |
| setBackground(new FakeShadowDrawable(res, config)); |
| } |
| setOutlineProvider(mViewBounds); |
| setOnLongClickListener(this); |
| } |
| |
| /** Set callback */ |
| void setCallbacks(TaskViewCallbacks cb) { |
| mCb = cb; |
| } |
| |
| /** Resets this TaskView for reuse. */ |
| void reset() { |
| resetViewProperties(); |
| resetNoUserInteractionState(); |
| setClipViewInStack(false); |
| setCallbacks(null); |
| } |
| |
| /** Gets the task */ |
| public Task getTask() { |
| return mTask; |
| } |
| |
| /** Returns the view bounds. */ |
| AnimateableViewBounds getViewBounds() { |
| return mViewBounds; |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| // Bind the views |
| mContent = findViewById(R.id.task_view_content); |
| mHeaderView = (TaskViewHeader) findViewById(R.id.task_view_bar); |
| mThumbnailView = (TaskViewThumbnail) findViewById(R.id.task_view_thumbnail); |
| mActionButtonView = findViewById(R.id.lock_to_app_fab); |
| mActionButtonView.setOutlineProvider(new ViewOutlineProvider() { |
| @Override |
| public void getOutline(View view, Outline outline) { |
| // Set the outline to match the FAB background |
| outline.setOval(0, 0, mActionButtonView.getWidth(), mActionButtonView.getHeight()); |
| outline.setAlpha(0.35f); |
| } |
| }); |
| mActionButtonView.setOnClickListener(this); |
| mActionButtonTranslationZ = mActionButtonView.getTranslationZ(); |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| if (w > 0 && h > 0) { |
| mHeaderView.onTaskViewSizeChanged(w, h); |
| mThumbnailView.onTaskViewSizeChanged(w, h); |
| } |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| if (ev.getAction() == MotionEvent.ACTION_DOWN) { |
| mDownTouchPos.set((int) (ev.getX() * getScaleX()), (int) (ev.getY() * getScaleY())); |
| } |
| return super.onInterceptTouchEvent(ev); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int width = MeasureSpec.getSize(widthMeasureSpec); |
| int height = MeasureSpec.getSize(heightMeasureSpec); |
| |
| int widthWithoutPadding = width - mPaddingLeft - mPaddingRight; |
| int heightWithoutPadding = height - mPaddingTop - mPaddingBottom; |
| int taskBarHeight = getResources().getDimensionPixelSize(R.dimen.recents_task_bar_height); |
| |
| // Measure the content |
| mContent.measure(MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY), |
| MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY)); |
| |
| // Measure the bar view, and action button |
| mHeaderView.measure(MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY), |
| MeasureSpec.makeMeasureSpec(taskBarHeight, MeasureSpec.EXACTLY)); |
| mActionButtonView.measure( |
| MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.AT_MOST), |
| MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.AT_MOST)); |
| // Measure the thumbnail to be square |
| mThumbnailView.measure( |
| MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY), |
| MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY)); |
| mThumbnailView.updateClipToTaskBar(mHeaderView); |
| |
| setMeasuredDimension(width, height); |
| invalidateOutline(); |
| } |
| |
| void updateViewPropertiesToTaskTransform(TaskViewTransform toTransform, |
| TaskViewAnimation toAnimation, ValueAnimator.AnimatorUpdateListener updateCallback) { |
| RecentsConfiguration config = Recents.getConfiguration(); |
| Utilities.cancelAnimationWithoutCallbacks(mTransformAnimation); |
| |
| // Compose the animations for the transform |
| mTmpAnimators.clear(); |
| toTransform.applyToTaskView(this, mTmpAnimators, toAnimation, !config.fakeShadows); |
| if (toAnimation.isImmediate()) { |
| if (Float.compare(getTaskProgress(), toTransform.p) != 0) { |
| setTaskProgress(toTransform.p); |
| } |
| // Manually call back to the animator listener and update callback |
| if (toAnimation.listener != null) { |
| toAnimation.listener.onAnimationEnd(null); |
| } |
| if (updateCallback != null) { |
| updateCallback.onAnimationUpdate(null); |
| } |
| } else { |
| if (Float.compare(getTaskProgress(), toTransform.p) != 0) { |
| mTmpAnimators.add(ObjectAnimator.ofFloat(this, TASK_PROGRESS, getTaskProgress(), |
| toTransform.p)); |
| } |
| if (updateCallback != null) { |
| ValueAnimator updateCallbackAnim = ValueAnimator.ofInt(0, 1); |
| updateCallbackAnim.addUpdateListener(updateCallback); |
| mTmpAnimators.add(updateCallbackAnim); |
| } |
| |
| // Create the animator |
| mTransformAnimation = toAnimation.createAnimator(mTmpAnimators); |
| mTransformAnimation.start(); |
| } |
| } |
| |
| /** Resets this view's properties */ |
| void resetViewProperties() { |
| Utilities.cancelAnimationWithoutCallbacks(mTransformAnimation); |
| setDim(0); |
| setVisibility(View.VISIBLE); |
| getViewBounds().reset(); |
| getHeaderView().reset(); |
| TaskViewTransform.reset(this); |
| |
| mActionButtonView.setScaleX(1f); |
| mActionButtonView.setScaleY(1f); |
| mActionButtonView.setAlpha(0f); |
| mActionButtonView.setTranslationZ(mActionButtonTranslationZ); |
| } |
| |
| /** |
| * Cancels any current transform animations. |
| */ |
| public void cancelTransformAnimation() { |
| Utilities.cancelAnimationWithoutCallbacks(mTransformAnimation); |
| } |
| |
| /** Enables/disables handling touch on this task view. */ |
| void setTouchEnabled(boolean enabled) { |
| setOnClickListener(enabled ? this : null); |
| } |
| |
| /** Animates this task view if the user does not interact with the stack after a certain time. */ |
| void startNoUserInteractionAnimation() { |
| mHeaderView.startNoUserInteractionAnimation(); |
| } |
| |
| /** Mark this task view that the user does has not interacted with the stack after a certain time. */ |
| void setNoUserInteractionState() { |
| mHeaderView.setNoUserInteractionState(); |
| } |
| |
| /** Resets the state tracking that the user has not interacted with the stack after a certain time. */ |
| void resetNoUserInteractionState() { |
| mHeaderView.resetNoUserInteractionState(); |
| } |
| |
| /** Dismisses this task. */ |
| void dismissTask() { |
| // Animate out the view and call the callback |
| final TaskView tv = this; |
| DismissTaskViewEvent dismissEvent = new DismissTaskViewEvent(tv, mTask); |
| dismissEvent.addPostAnimationCallback(new Runnable() { |
| @Override |
| public void run() { |
| EventBus.getDefault().send(new TaskViewDismissedEvent(mTask, tv)); |
| } |
| }); |
| EventBus.getDefault().send(dismissEvent); |
| } |
| |
| /** |
| * Returns whether this view should be clipped, or any views below should clip against this |
| * view. |
| */ |
| boolean shouldClipViewInStack() { |
| // Never clip for freeform tasks or if invisible |
| if (mTask.isFreeformTask() || getVisibility() != View.VISIBLE) { |
| return false; |
| } |
| return mClipViewInStack; |
| } |
| |
| /** Sets whether this view should be clipped, or clipped against. */ |
| void setClipViewInStack(boolean clip) { |
| if (clip != mClipViewInStack) { |
| mClipViewInStack = clip; |
| if (mCb != null) { |
| mCb.onTaskViewClipStateChanged(this); |
| } |
| } |
| } |
| |
| /** Sets the current task progress. */ |
| public void setTaskProgress(float p) { |
| mTaskProgress = p; |
| mViewBounds.setAlpha(p); |
| updateDimFromTaskProgress(); |
| } |
| |
| public TaskViewHeader getHeaderView() { |
| return mHeaderView; |
| } |
| |
| /** Returns the current task progress. */ |
| public float getTaskProgress() { |
| return mTaskProgress; |
| } |
| |
| /** Returns the current dim. */ |
| public void setDim(int dim) { |
| RecentsConfiguration config = Recents.getConfiguration(); |
| |
| mDimAlpha = dim; |
| if (config.useHardwareLayers) { |
| // Defer setting hardware layers if we have not yet measured, or there is no dim to draw |
| if (getMeasuredWidth() > 0 && getMeasuredHeight() > 0) { |
| mDimColorFilter.setColor(Color.argb(mDimAlpha, 0, 0, 0)); |
| mDimLayerPaint.setColorFilter(mDimColorFilter); |
| mContent.setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint); |
| } |
| } else { |
| float dimAlpha = mDimAlpha / 255.0f; |
| mThumbnailView.setDimAlpha(dimAlpha); |
| mHeaderView.setDimAlpha(dimAlpha); |
| } |
| } |
| |
| /** Returns the current dim. */ |
| public int getDim() { |
| return mDimAlpha; |
| } |
| |
| /** Animates the dim to the task progress. */ |
| void animateDimToProgress(int duration, Animator.AnimatorListener animListener) { |
| // Animate the dim into view as well |
| int toDim = getDimFromTaskProgress(); |
| if (toDim != getDim()) { |
| ObjectAnimator anim = ObjectAnimator.ofInt(this, DIM, getDim(), toDim); |
| anim.setDuration(duration); |
| if (animListener != null) { |
| anim.addListener(animListener); |
| } |
| anim.start(); |
| } else { |
| animListener.onAnimationEnd(null); |
| } |
| } |
| |
| /** Compute the dim as a function of the scale of this view. */ |
| int getDimFromTaskProgress() { |
| float x = mTaskProgress < 0 |
| ? 1f |
| : mDimInterpolator.getInterpolation(1f - mTaskProgress); |
| float dim = mMaxDimScale * x; |
| return (int) (dim * 255); |
| } |
| |
| /** Update the dim as a function of the scale of this view. */ |
| void updateDimFromTaskProgress() { |
| setDim(getDimFromTaskProgress()); |
| } |
| |
| /** |
| * Explicitly sets the focused state of this task. |
| */ |
| public void setFocusedState(boolean isFocused, boolean requestViewFocus) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (isFocused) { |
| if (requestViewFocus && !isFocused()) { |
| requestFocus(); |
| } |
| if (requestViewFocus && !isAccessibilityFocused() && ssp.isTouchExplorationEnabled()) { |
| requestAccessibilityFocus(); |
| } |
| } else { |
| if (isAccessibilityFocused() && ssp.isTouchExplorationEnabled()) { |
| clearAccessibilityFocus(); |
| } |
| } |
| } |
| |
| /** |
| * Shows the action button. |
| * @param fadeIn whether or not to animate the action button in. |
| * @param fadeInDuration the duration of the action button animation, only used if |
| * {@param fadeIn} is true. |
| */ |
| public void showActionButton(boolean fadeIn, int fadeInDuration) { |
| mActionButtonView.setVisibility(View.VISIBLE); |
| |
| if (fadeIn && mActionButtonView.getAlpha() < 1f) { |
| mActionButtonView.animate() |
| .alpha(1f) |
| .scaleX(1f) |
| .scaleY(1f) |
| .setDuration(fadeInDuration) |
| .setInterpolator(PhoneStatusBar.ALPHA_IN) |
| .start(); |
| } else { |
| mActionButtonView.setScaleX(1f); |
| mActionButtonView.setScaleY(1f); |
| mActionButtonView.setAlpha(1f); |
| mActionButtonView.setTranslationZ(mActionButtonTranslationZ); |
| } |
| } |
| |
| /** |
| * Immediately hides the action button. |
| * |
| * @param fadeOut whether or not to animate the action button out. |
| */ |
| public void hideActionButton(boolean fadeOut, int fadeOutDuration, boolean scaleDown, |
| final Animator.AnimatorListener animListener) { |
| if (fadeOut && mActionButtonView.getAlpha() > 0f) { |
| if (scaleDown) { |
| float toScale = 0.9f; |
| mActionButtonView.animate() |
| .scaleX(toScale) |
| .scaleY(toScale); |
| } |
| mActionButtonView.animate() |
| .alpha(0f) |
| .setDuration(fadeOutDuration) |
| .setInterpolator(PhoneStatusBar.ALPHA_OUT) |
| .withEndAction(new Runnable() { |
| @Override |
| public void run() { |
| if (animListener != null) { |
| animListener.onAnimationEnd(null); |
| } |
| mActionButtonView.setVisibility(View.INVISIBLE); |
| } |
| }) |
| .start(); |
| } else { |
| mActionButtonView.setAlpha(0f); |
| mActionButtonView.setVisibility(View.INVISIBLE); |
| if (animListener != null) { |
| animListener.onAnimationEnd(null); |
| } |
| } |
| } |
| |
| /**** TaskStackAnimationHelper.Callbacks Implementation ****/ |
| |
| @Override |
| public void onPrepareLaunchTargetForEnterAnimation() { |
| // These values will be animated in when onStartLaunchTargetEnterAnimation() is called |
| setDim(0); |
| mActionButtonView.setAlpha(0f); |
| } |
| |
| @Override |
| public void onStartLaunchTargetEnterAnimation(int duration, boolean screenPinningEnabled, |
| ReferenceCountedTrigger postAnimationTrigger) { |
| postAnimationTrigger.increment(); |
| animateDimToProgress(duration, postAnimationTrigger.decrementOnAnimationEnd()); |
| |
| if (screenPinningEnabled) { |
| showActionButton(true /* fadeIn */, duration /* fadeInDuration */); |
| } |
| } |
| |
| @Override |
| public void onStartLaunchTargetLaunchAnimation(int duration, boolean screenPinningRequested, |
| ReferenceCountedTrigger postAnimationTrigger) { |
| if (mDimAlpha > 0) { |
| ObjectAnimator anim = ObjectAnimator.ofInt(this, DIM, getDim(), 0); |
| anim.setDuration(duration); |
| anim.setInterpolator(PhoneStatusBar.ALPHA_OUT); |
| anim.start(); |
| } |
| |
| postAnimationTrigger.increment(); |
| hideActionButton(true /* fadeOut */, duration, |
| !screenPinningRequested /* scaleDown */, |
| postAnimationTrigger.decrementOnAnimationEnd()); |
| } |
| |
| /**** TaskCallbacks Implementation ****/ |
| |
| public void onTaskBound(Task t) { |
| mTask = t; |
| mTask.addCallback(this); |
| } |
| |
| @Override |
| public void onTaskDataLoaded(Task task) { |
| // Bind each of the views to the new task data |
| mThumbnailView.rebindToTask(mTask); |
| mHeaderView.rebindToTask(mTask); |
| mTaskDataLoaded = true; |
| } |
| |
| @Override |
| public void onTaskDataUnloaded() { |
| // Unbind each of the views from the task data and remove the task callback |
| mTask.removeCallback(this); |
| mThumbnailView.unbindFromTask(); |
| mHeaderView.unbindFromTask(); |
| mTaskDataLoaded = false; |
| } |
| |
| @Override |
| public void onTaskStackIdChanged() { |
| mHeaderView.rebindToTask(mTask); |
| } |
| |
| /**** View.OnClickListener Implementation ****/ |
| |
| @Override |
| public void onClick(final View v) { |
| boolean screenPinningRequested = false; |
| if (v == mActionButtonView) { |
| // Reset the translation of the action button before we animate it out |
| mActionButtonView.setTranslationZ(0f); |
| screenPinningRequested = true; |
| } |
| EventBus.getDefault().send(new LaunchTaskEvent(this, mTask, null, INVALID_STACK_ID, |
| screenPinningRequested)); |
| } |
| |
| /**** View.OnLongClickListener Implementation ****/ |
| |
| @Override |
| public boolean onLongClick(View v) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| // Since we are clipping the view to the bounds, manually do the hit test |
| Rect clipBounds = new Rect(mViewBounds.mClipBounds); |
| clipBounds.scale(getScaleX()); |
| boolean inBounds = clipBounds.contains(mDownTouchPos.x, mDownTouchPos.y); |
| if (v == this && inBounds && !ssp.hasDockedTask()) { |
| // Start listening for drag events |
| setClipViewInStack(false); |
| |
| mDownTouchPos.x += ((1f - getScaleX()) * getWidth()) / 2; |
| mDownTouchPos.y += ((1f - getScaleY()) * getHeight()) / 2; |
| |
| EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1); |
| EventBus.getDefault().send(new DragStartEvent(mTask, this, mDownTouchPos)); |
| return true; |
| } |
| return false; |
| } |
| |
| /**** Events ****/ |
| |
| public final void onBusEvent(DragEndEvent event) { |
| if (!(event.dropTarget instanceof TaskStack.DockState)) { |
| event.addPostAnimationCallback(new Runnable() { |
| @Override |
| public void run() { |
| // Animate the drag view back from where it is, to the view location, then after |
| // it returns, update the clip state |
| setClipViewInStack(true); |
| } |
| }); |
| } |
| EventBus.getDefault().unregister(this); |
| } |
| } |