Examples with Task com.android.systemui.recents.model.Task used on opensource projects

Example 61 with Task

use of com.android.systemui.recents.model.Task in project android_frameworks_base by AOSPA.

the class RecentsTvActivity method onResume.

@Override
public void onResume() {
    super.onResume();
    mPipRecentsOverlayManager.onRecentsResumed();
    // Update the recent tasks
    updateRecentsTasks();
    // If this is a new instance from a configuration change, then we have to manually trigger
    // the enter animation state, or if recents was relaunched by AM, without going through
    // the normal mechanisms
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    boolean wasLaunchedByAm = !launchState.launchedFromHome && !launchState.launchedFromApp;
    if (wasLaunchedByAm) {
        EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
    }
    // Notify that recents is now visible
    SystemServicesProxy ssp = Recents.getSystemServices();
    EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true));
    if (mTaskStackHorizontalGridView.getStack().getTaskCount() > 1 && !mLaunchedFromHome) {
        // If there are 2 or more tasks, and we are not launching from home
        // set the selected position to the 2nd task to allow for faster app switching
        mTaskStackHorizontalGridView.setSelectedPosition(1);
    } else {
        mTaskStackHorizontalGridView.setSelectedPosition(0);
    }
    mRecentsView.getViewTreeObserver().addOnPreDrawListener(this);
    View dismissPlaceholder = findViewById(R.id.dismiss_placeholder);
    mTalkBackEnabled = ssp.isTouchExplorationEnabled();
    if (mTalkBackEnabled) {
        dismissPlaceholder.setAccessibilityTraversalBefore(R.id.task_list);
        dismissPlaceholder.setAccessibilityTraversalAfter(R.id.dismiss_placeholder);
        mTaskStackHorizontalGridView.setAccessibilityTraversalAfter(R.id.dismiss_placeholder);
        mTaskStackHorizontalGridView.setAccessibilityTraversalBefore(R.id.pip);
        dismissPlaceholder.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mTaskStackHorizontalGridView.requestFocus();
                mTaskStackHorizontalGridView.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
                Task focusedTask = mTaskStackHorizontalGridView.getFocusedTask();
                if (focusedTask != null) {
                    mTaskStackViewAdapter.removeTask(focusedTask);
                    EventBus.getDefault().send(new DeleteTaskDataEvent(focusedTask));
                }
            }
        });
    }
    // Initialize PIP UI
    if (mPipManager.isPipShown()) {
        if (mTalkBackEnabled) {
            // If talkback is on, use the mPipView to handle focus changes
            // between recents row and PIP controls.
            mPipView.setVisibility(View.VISIBLE);
        } else {
            mPipView.setVisibility(View.GONE);
        }
        // When PIP view has focus, recents overlay view will takes the focus
        // as if it's the part of the Recents UI.
        mPipRecentsOverlayManager.requestFocus(mTaskStackViewAdapter.getItemCount() > 0);
    } else {
        mPipView.setVisibility(View.GONE);
        mPipRecentsOverlayManager.removePipRecentsOverlayView();
    }
}

Example 62 with Task

use of com.android.systemui.recents.model.Task in project android_frameworks_base by crdroidandroid.

the class RecentsTvView method launchTaskFomRecents.

/**
     * Launch the given task from recents with animation. If the task is not focused, this will
     * attempt to scroll to focus the task before launching.
     * @param task
     */
private void launchTaskFomRecents(final Task task, boolean animate) {
    if (!animate) {
        SystemServicesProxy ssp = Recents.getSystemServices();
        ssp.startActivityFromRecents(getContext(), task.key, task.title, null);
        return;
    }
    mTaskStackHorizontalView.requestFocus();
    Task focusedTask = mTaskStackHorizontalView.getFocusedTask();
    if (focusedTask != null && task != focusedTask) {
        if (mScrollListener != null) {
            mTaskStackHorizontalView.removeOnScrollListener(mScrollListener);
        }
        mScrollListener = new OnScrollListener() {

            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                if (newState == RecyclerView.SCROLL_STATE_IDLE) {
                    TaskCardView cardView = mTaskStackHorizontalView.getChildViewForTask(task);
                    if (cardView != null) {
                        mTransitionHelper.launchTaskFromRecents(mStack, task, mTaskStackHorizontalView, cardView, null, INVALID_STACK_ID);
                    } else {
                        // This should not happen normally. If this happens then the data in
                        // the grid view was altered during the scroll. Log error and launch
                        // task with no animation.
                        Log.e(TAG, "Card view for task : " + task + ", returned null.");
                        SystemServicesProxy ssp = Recents.getSystemServices();
                        ssp.startActivityFromRecents(getContext(), task.key, task.title, null);
                    }
                    mTaskStackHorizontalView.removeOnScrollListener(mScrollListener);
                }
            }
        };
        mTaskStackHorizontalView.addOnScrollListener(mScrollListener);
        mTaskStackHorizontalView.setSelectedPositionSmooth(((TaskStackHorizontalViewAdapter) mTaskStackHorizontalView.getAdapter()).getPositionOfTask(task));
    } else {
        mTransitionHelper.launchTaskFromRecents(mStack, task, mTaskStackHorizontalView, mTaskStackHorizontalView.getChildViewForTask(task), null, INVALID_STACK_ID);
    }
}

Example 63 with Task

use of com.android.systemui.recents.model.Task in project android_frameworks_base by crdroidandroid.

the class TaskStackAnimationHelper method startScrollToFocusedTaskAnimation.

/**
     * Starts the animation to focus the next {@link TaskView} when paging through recents.
     *
     * @return whether or not this will trigger a scroll in the stack
     */
public boolean startScrollToFocusedTaskAnimation(Task newFocusedTask, boolean requestViewFocus) {
    TaskStackLayoutAlgorithm stackLayout = mStackView.getStackAlgorithm();
    TaskStackViewScroller stackScroller = mStackView.getScroller();
    TaskStack stack = mStackView.getStack();
    final float curScroll = stackScroller.getStackScroll();
    final float newScroll = stackScroller.getBoundedStackScroll(stackLayout.getStackScrollForTask(newFocusedTask));
    boolean willScrollToFront = newScroll > curScroll;
    boolean willScroll = Float.compare(newScroll, curScroll) != 0;
    // Get the current set of task transforms
    int taskViewCount = mStackView.getTaskViews().size();
    ArrayList<Task> stackTasks = stack.getStackTasks();
    mStackView.getCurrentTaskTransforms(stackTasks, mTmpCurrentTaskTransforms);
    // Pick up the newly visible views after the scroll
    mStackView.bindVisibleTaskViews(newScroll);
    // Update the internal state
    stackLayout.setFocusState(TaskStackLayoutAlgorithm.STATE_FOCUSED);
    stackScroller.setStackScroll(newScroll, null);
    mStackView.cancelDeferredTaskViewLayoutAnimation();
    // Get the final set of task transforms
    mStackView.getLayoutTaskTransforms(newScroll, stackLayout.getFocusState(), stackTasks, true, /* ignoreTaskOverrides */
    mTmpFinalTaskTransforms);
    // Focus the task view
    TaskView newFocusedTaskView = mStackView.getChildViewForTask(newFocusedTask);
    if (newFocusedTaskView == null) {
        // Log the error if we have no task view, and skip the animation
        Log.e("TaskStackAnimationHelper", "b/27389156 null-task-view prebind:" + taskViewCount + " postbind:" + mStackView.getTaskViews().size() + " prescroll:" + curScroll + " postscroll: " + newScroll);
        return false;
    }
    newFocusedTaskView.setFocusedState(true, requestViewFocus);
    // Setup the end listener to return all the hidden views to the view pool after the
    // focus animation
    ReferenceCountedTrigger postAnimTrigger = new ReferenceCountedTrigger();
    postAnimTrigger.addLastDecrementRunnable(new Runnable() {

        @Override
        public void run() {
            mStackView.bindVisibleTaskViews(newScroll);
        }
    });
    List<TaskView> taskViews = mStackView.getTaskViews();
    taskViewCount = taskViews.size();
    int newFocusTaskViewIndex = taskViews.indexOf(newFocusedTaskView);
    for (int i = 0; i < taskViewCount; i++) {
        TaskView tv = taskViews.get(i);
        Task task = tv.getTask();
        if (mStackView.isIgnoredTask(task)) {
            continue;
        }
        int taskIndex = stackTasks.indexOf(task);
        TaskViewTransform fromTransform = mTmpCurrentTaskTransforms.get(taskIndex);
        TaskViewTransform toTransform = mTmpFinalTaskTransforms.get(taskIndex);
        // Update the task to the initial state (for the newly picked up tasks)
        mStackView.updateTaskViewToTransform(tv, fromTransform, AnimationProps.IMMEDIATE);
        int duration;
        Interpolator interpolator;
        if (willScrollToFront) {
            duration = calculateStaggeredAnimDuration(i);
            interpolator = FOCUS_BEHIND_NEXT_TASK_INTERPOLATOR;
        } else {
            if (i < newFocusTaskViewIndex) {
                duration = 150 + ((newFocusTaskViewIndex - i - 1) * 50);
                interpolator = FOCUS_BEHIND_NEXT_TASK_INTERPOLATOR;
            } else if (i > newFocusTaskViewIndex) {
                duration = Math.max(100, 150 - ((i - newFocusTaskViewIndex - 1) * 50));
                interpolator = FOCUS_IN_FRONT_NEXT_TASK_INTERPOLATOR;
            } else {
                duration = 200;
                interpolator = FOCUS_NEXT_TASK_INTERPOLATOR;
            }
        }
        AnimationProps anim = new AnimationProps().setDuration(AnimationProps.BOUNDS, duration).setInterpolator(AnimationProps.BOUNDS, interpolator).setListener(postAnimTrigger.decrementOnAnimationEnd());
        postAnimTrigger.increment();
        mStackView.updateTaskViewToTransform(tv, toTransform, anim);
    }
    return willScroll;
}

Example 64 with Task

use of com.android.systemui.recents.model.Task in project android_frameworks_base by crdroidandroid.

the class RecentsView method launchPreviousTask.

/** Launches the task that recents was launched from if possible */
public boolean launchPreviousTask() {
    if (mTaskStackView != null) {
        Task task = getStack().getLaunchTarget();
        if (task != null) {
            TaskView taskView = mTaskStackView.getChildViewForTask(task);
            EventBus.getDefault().send(new LaunchTaskEvent(taskView, task, null, INVALID_STACK_ID, false));
            return true;
        }
    }
    return false;
}

Example 65 with Task

use of com.android.systemui.recents.model.Task in project android_frameworks_base by crdroidandroid.

the class TaskStackLayoutAlgorithm method computeStackVisibilityReport.

/**
     * Computes the maximum number of visible tasks and thumbnails when the scroll is at the initial
     * stack scroll.  Requires that update() is called first.
     */
public VisibilityReport computeStackVisibilityReport(ArrayList<Task> tasks) {
    // Ensure minimum visibility count
    if (tasks.size() <= 1) {
        return new VisibilityReport(1, 1);
    }
    // Quick return when there are no stack tasks
    if (mNumStackTasks == 0) {
        return new VisibilityReport(Math.max(mNumFreeformTasks, 1), Math.max(mNumFreeformTasks, 1));
    }
    // Otherwise, walk backwards in the stack and count the number of tasks and visible
    // thumbnails and add that to the total freeform task count
    TaskViewTransform tmpTransform = new TaskViewTransform();
    Range currentRange = getInitialFocusState() > 0f ? mFocusedRange : mUnfocusedRange;
    currentRange.offset(mInitialScrollP);
    int taskBarHeight = mContext.getResources().getDimensionPixelSize(R.dimen.recents_task_view_header_height);
    int numVisibleTasks = Math.max(mNumFreeformTasks, 1);
    int numVisibleThumbnails = Math.max(mNumFreeformTasks, 1);
    float prevScreenY = Integer.MAX_VALUE;
    for (int i = tasks.size() - 1; i >= 0; i--) {
        Task task = tasks.get(i);
        // Skip freeform
        if (task.isFreeformTask()) {
            continue;
        }
        // Skip invisible
        float taskProgress = getStackScrollForTask(task);
        if (!currentRange.isInRange(taskProgress)) {
            continue;
        }
        boolean isFrontMostTaskInGroup = task.group == null || task.group.isFrontMostTask(task);
        if (isFrontMostTaskInGroup) {
            getStackTransform(taskProgress, taskProgress, mInitialScrollP, mFocusState, tmpTransform, null, false, /* ignoreSingleTaskCase */
            false);
            float screenY = tmpTransform.rect.top;
            boolean hasVisibleThumbnail = (prevScreenY - screenY) > taskBarHeight;
            if (hasVisibleThumbnail) {
                numVisibleThumbnails++;
                numVisibleTasks++;
                prevScreenY = screenY;
            } else {
                // walk through remaining visible set
                for (int j = i; j >= 0; j--) {
                    numVisibleTasks++;
                    taskProgress = getStackScrollForTask(tasks.get(j));
                    if (!currentRange.isInRange(taskProgress)) {
                        continue;
                    }
                }
                break;
            }
        } else if (!isFrontMostTaskInGroup) {
            // Affiliated task, no thumbnail
            numVisibleTasks++;
        }
    }
    return new VisibilityReport(numVisibleTasks, numVisibleThumbnails);
}