Examples with RecentsActivityLaunchState com.android.systemui.recents.RecentsActivityLaunchState used on opensource projects

Example 16 with RecentsActivityLaunchState

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

the class TaskStackLayoutAlgorithm method setTaskOverridesForInitialState.

/**
     * Creates task overrides to ensure the initial stack layout if necessary.
     */
public void setTaskOverridesForInitialState(TaskStack stack, boolean ignoreScrollToFront) {
    RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
    mTaskIndexOverrideMap.clear();
    boolean scrollToFront = launchState.launchedFromHome || launchState.launchedFromBlacklistedApp || launchState.launchedViaDockGesture;
    if (getInitialFocusState() == STATE_UNFOCUSED && mNumStackTasks > 1) {
        if (ignoreScrollToFront || (!launchState.launchedWithAltTab && !scrollToFront)) {
            // Set the initial scroll to the predefined state (which differs from the stack)
            float[] initialNormX = null;
            float minBottomTaskNormX = getNormalizedXFromUnfocusedY(mSystemInsets.bottom + mInitialBottomOffset, FROM_BOTTOM);
            float maxBottomTaskNormX = getNormalizedXFromUnfocusedY(mFocusedTopPeekHeight + mTaskRect.height() - mMinMargin, FROM_TOP);
            if (mNumStackTasks <= 2) {
                // For small stacks, position the tasks so that they are top aligned to under
                // the action button, but ensure that it is at least a certain offset from the
                // bottom of the stack
                initialNormX = new float[] { Math.min(maxBottomTaskNormX, minBottomTaskNormX), getNormalizedXFromUnfocusedY(mFocusedTopPeekHeight, FROM_TOP) };
            } else {
                initialNormX = new float[] { minBottomTaskNormX, getNormalizedXFromUnfocusedY(mInitialTopOffset, FROM_TOP) };
            }
            mUnfocusedRange.offset(0f);
            List<Task> tasks = stack.getStackTasks();
            int taskCount = tasks.size();
            for (int i = taskCount - 1; i >= 0; i--) {
                int indexFromFront = taskCount - i - 1;
                if (indexFromFront >= initialNormX.length) {
                    break;
                }
                float newTaskProgress = mInitialScrollP + mUnfocusedRange.getAbsoluteX(initialNormX[indexFromFront]);
                mTaskIndexOverrideMap.put(tasks.get(i).key.id, newTaskProgress);
            }
        }
    }
}

Example 17 with RecentsActivityLaunchState

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

the class TaskStackView method onBusEvent.

public final void onBusEvent(final MultiWindowStateChangedEvent event) {
    if (event.inMultiWindow || !event.showDeferredAnimation) {
        setTasks(event.stack, true);
    } else {
        // Reset the launch state before handling the multiwindow change
        RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
        launchState.reset();
        // Defer until the next frame to ensure that we have received all the system insets, and
        // initial layout updates
        event.getAnimationTrigger().increment();
        post(new Runnable() {

            @Override
            public void run() {
                // Scroll the stack to the front to see the undocked task
                mAnimationHelper.startNewStackScrollAnimation(event.stack, event.getAnimationTrigger());
                event.getAnimationTrigger().decrement();
            }
        });
    }
}

Example 18 with RecentsActivityLaunchState

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

the class RecentsView method onLayout.

/**
     * This is called with the full size of the window since we are handling our own insets.
     */
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    if (mTaskStackView.getVisibility() != GONE) {
        mTaskStackView.layout(left, top, left + getMeasuredWidth(), top + getMeasuredHeight());
    }
    // Layout the empty view
    if (mEmptyView.getVisibility() != GONE) {
        int leftRightInsets = mSystemInsets.left + mSystemInsets.right;
        int topBottomInsets = mSystemInsets.top + mSystemInsets.bottom;
        int childWidth = mEmptyView.getMeasuredWidth();
        int childHeight = mEmptyView.getMeasuredHeight();
        int childLeft = left + mSystemInsets.left + Math.max(0, (right - left - leftRightInsets - childWidth)) / 2;
        int childTop = top + mSystemInsets.top + Math.max(0, (bottom - top - topBottomInsets - childHeight)) / 2;
        mEmptyView.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
    }
    if (RecentsDebugFlags.Static.EnableStackActionButton) {
        // Layout the stack action button such that its drawable is start-aligned with the
        // stack, vertically centered in the available space above the stack
        Rect buttonBounds = getStackActionButtonBoundsFromStackLayout();
        mStackActionButton.layout(buttonBounds.left, buttonBounds.top, buttonBounds.right, buttonBounds.bottom);
    }
    if (mAwaitingFirstLayout) {
        mAwaitingFirstLayout = false;
        // If launched via dragging from the nav bar, then we should translate the whole view
        // down offscreen
        RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
        if (launchState.launchedViaDragGesture) {
            setTranslationY(getMeasuredHeight());
        } else {
            setTranslationY(0f);
        }
    }
}

Example 19 with RecentsActivityLaunchState

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

the class RecentsTvView method init.

/**
     * Initialize the view.
     */
public void init(TaskStack stack) {
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    mStack = stack;
    mTaskStackHorizontalView.init(stack);
    if (stack.getStackTaskCount() > 0) {
        hideEmptyView();
    } else {
        showEmptyView();
    }
    // Layout with the new stack
    requestLayout();
}

Example 20 with RecentsActivityLaunchState

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

the class RecentsView method onReload.

/**
     * Called from RecentsActivity when it is relaunched.
     */
public void onReload(boolean isResumingFromVisible, boolean isTaskStackEmpty) {
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    if (mTaskStackView == null) {
        isResumingFromVisible = false;
        mTaskStackView = new TaskStackView(getContext());
        mTaskStackView.setSystemInsets(mSystemInsets);
        addView(mTaskStackView);
    }
    // Reset the state
    mAwaitingFirstLayout = !isResumingFromVisible;
    mLastTaskLaunchedWasFreeform = false;
    // Update the stack
    mTaskStackView.onReload(isResumingFromVisible);
    if (isResumingFromVisible) {
        // If we are already visible, then restore the background scrim
        animateBackgroundScrim(1f, DEFAULT_UPDATE_SCRIM_DURATION);
    } else {
        // the tasks for the home animation.
        if (launchState.launchedViaDockGesture || launchState.launchedFromApp || isTaskStackEmpty) {
            mBackgroundScrim.setAlpha(255);
        } else {
            mBackgroundScrim.setAlpha(0);
        }
    }
}