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

Example 16 with TaskStack

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

the class RecentsActivity method onMultiWindowModeChanged.

@Override
public void onMultiWindowModeChanged(boolean isInMultiWindowMode) {
    super.onMultiWindowModeChanged(isInMultiWindowMode);
    // Reload the task stack completely
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
    loader.preloadTasks(loadPlan, -1, /* runningTaskId */
    false);
    RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
    loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
    loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
    loader.loadTasks(this, loadPlan, loadOpts);
    TaskStack stack = loadPlan.getTaskStack();
    int numStackTasks = stack.getStackTaskCount();
    boolean showDeferredAnimation = numStackTasks > 0;
    EventBus.getDefault().send(new ConfigurationChangedEvent(true, /* fromMultiWindow */
    false, /* fromDeviceOrientationChange */
    false, /* fromDisplayDensityChange */
    numStackTasks > 0));
    EventBus.getDefault().send(new MultiWindowStateChangedEvent(isInMultiWindowMode, showDeferredAnimation, stack));
}

Example 17 with TaskStack

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

the class RecentsImpl method getThumbnailTransitionTransform.

/**
     * Returns the transition rect for the given task id.
     */
private TaskViewTransform getThumbnailTransitionTransform(TaskStackView stackView, Task runningTaskOut, Rect windowOverrideRect) {
    // Find the running task in the TaskStack
    TaskStack stack = stackView.getStack();
    Task launchTask = stack.getLaunchTarget();
    if (launchTask != null) {
        runningTaskOut.copyFrom(launchTask);
    } else {
        // If no task is specified or we can not find the task just use the front most one
        launchTask = stack.getStackFrontMostTask(true);
        runningTaskOut.copyFrom(launchTask);
    }
    // Get the transform for the running task
    stackView.updateLayoutAlgorithm(true);
    stackView.updateToInitialState();
    stackView.getStackAlgorithm().getStackTransformScreenCoordinates(launchTask, stackView.getScroller().getStackScroll(), mTmpTransform, null, windowOverrideRect);
    return mTmpTransform;
}

Example 18 with TaskStack

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

the class RecentsImpl method preloadRecents.

public void preloadRecents() {
    // Preload only the raw task list into a new load plan (which will be consumed by the
    // RecentsActivity) only if there is a task to animate to.
    SystemServicesProxy ssp = Recents.getSystemServices();
    MutableBoolean isHomeStackVisible = new MutableBoolean(true);
    if (!ssp.isRecentsActivityVisible(isHomeStackVisible)) {
        ActivityManager.RunningTaskInfo runningTask = ssp.getRunningTask();
        RecentsTaskLoader loader = Recents.getTaskLoader();
        sInstanceLoadPlan = loader.createLoadPlan(mContext);
        sInstanceLoadPlan.preloadRawTasks(!isHomeStackVisible.value);
        loader.preloadTasks(sInstanceLoadPlan, runningTask.id, !isHomeStackVisible.value);
        TaskStack stack = sInstanceLoadPlan.getTaskStack();
        if (stack.getTaskCount() > 0) {
            // Only preload the icon (but not the thumbnail since it may not have been taken for
            // the pausing activity)
            preloadIcon(runningTask.id);
            // At this point, we don't know anything about the stack state.  So only calculate
            // the dimensions of the thumbnail that we need for the transition into Recents, but
            // do not draw it until we construct the activity options when we start Recents
            updateHeaderBarLayout(stack, null);
        }
    }
}

Example 19 with TaskStack

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

the class RecentsImpl method startRecentsActivity.

/**
     * Shows the recents activity
     */
protected void startRecentsActivity(ActivityManager.RunningTaskInfo runningTask, boolean isHomeStackVisible, boolean animate, int growTarget) {
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
    SystemServicesProxy ssp = Recents.getSystemServices();
    boolean isBlacklisted = (runningTask != null) ? ssp.isBlackListedActivity(runningTask.baseActivity.getClassName()) : false;
    int runningTaskId = !mLaunchedWhileDocking && !isBlacklisted && (runningTask != null) ? runningTask.id : -1;
    // the stacks might have changed.
    if (mLaunchedWhileDocking || mTriggeredFromAltTab || sInstanceLoadPlan == null) {
        // Create a new load plan if preloadRecents() was never triggered
        sInstanceLoadPlan = loader.createLoadPlan(mContext);
    }
    if (mLaunchedWhileDocking || mTriggeredFromAltTab || !sInstanceLoadPlan.hasTasks()) {
        loader.preloadTasks(sInstanceLoadPlan, runningTaskId, !isHomeStackVisible);
    }
    TaskStack stack = sInstanceLoadPlan.getTaskStack();
    boolean hasRecentTasks = stack.getTaskCount() > 0;
    boolean useThumbnailTransition = (runningTask != null) && !isHomeStackVisible && hasRecentTasks;
    // Update the launch state that we need in updateHeaderBarLayout()
    launchState.launchedFromHome = !useThumbnailTransition && !mLaunchedWhileDocking;
    launchState.launchedFromApp = useThumbnailTransition || mLaunchedWhileDocking;
    launchState.launchedFromBlacklistedApp = launchState.launchedFromApp && isBlacklisted;
    launchState.launchedViaDockGesture = mLaunchedWhileDocking;
    launchState.launchedViaDragGesture = mDraggingInRecents;
    launchState.launchedToTaskId = runningTaskId;
    launchState.launchedWithAltTab = mTriggeredFromAltTab;
    // Preload the icon (this will be a null-op if we have preloaded the icon already in
    // preloadRecents())
    preloadIcon(runningTaskId);
    // Update the header bar if necessary
    Rect windowOverrideRect = getWindowRectOverride(growTarget);
    updateHeaderBarLayout(stack, windowOverrideRect);
    // Prepare the dummy stack for the transition
    TaskStackLayoutAlgorithm.VisibilityReport stackVr = mDummyStackView.computeStackVisibilityReport();
    // Update the remaining launch state
    launchState.launchedNumVisibleTasks = stackVr.numVisibleTasks;
    launchState.launchedNumVisibleThumbnails = stackVr.numVisibleThumbnails;
    if (!animate) {
        startRecentsActivity(ActivityOptions.makeCustomAnimation(mContext, -1, -1));
        return;
    }
    ActivityOptions opts;
    if (isBlacklisted) {
        opts = getUnknownTransitionActivityOptions();
    } else if (useThumbnailTransition) {
        // Try starting with a thumbnail transition
        opts = getThumbnailTransitionActivityOptions(runningTask, mDummyStackView, windowOverrideRect);
    } else {
        // If there is no thumbnail transition, but is launching from home into recents, then
        // use a quick home transition
        opts = hasRecentTasks ? getHomeTransitionActivityOptions() : getUnknownTransitionActivityOptions();
    }
    startRecentsActivity(opts);
    mLastToggleTime = SystemClock.elapsedRealtime();
}

Example 20 with TaskStack

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

the class TaskViewFocusFrame method onGlobalFocusChanged.

@Override
public void onGlobalFocusChanged(View oldFocus, View newFocus) {
    if (!mSv.useGridLayout()) {
        return;
    }
    if (newFocus == null) {
        // We're going to touch mode, unset the focus.
        moveGridTaskViewFocus(null);
        return;
    }
    if (oldFocus == null) {
        // We're returning from touch mode, set the focus to the previously focused task.
        final TaskStack stack = mSv.getStack();
        final int taskCount = stack.getTaskCount();
        final int k = stack.indexOfStackTask(mSv.getFocusedTask());
        final int taskIndexToFocus = k == -1 ? (taskCount - 1) : (k % taskCount);
        mSv.setFocusedTask(taskIndexToFocus, false, true);
    }
}