Merge "Force Grid-based Recents to show at most 8 tasks." into nyc-mr2-dev

import com.android.systemui.recents.RecentsDebugFlags;

import com.android.systemui.recents.misc.SystemServicesProxy;

import com.android.systemui.recents.views.grid.TaskGridLayoutAlgorithm;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

            Task.TaskKey taskKey = new Task.TaskKey(t.persistentId, t.stackId, t.baseIntent,

                    t.userId, t.firstActiveTime, t.lastActiveTime);

            // This task is only shown in the stack if it statisfies the historical time or min

            // This task is only shown in the stack if it satisfies the historical time or min

            // number of tasks constraints. Freeform tasks are also always shown.

            boolean isFreeformTask = SystemServicesProxy.isFreeformStack(t.stackId);

            boolean isStackTask = isFreeformTask || !isHistoricalTask(t) ||

            boolean isStackTask;

            if (Recents.getConfiguration().isGridEnabled) {

                // When grid layout is enabled, we only show the first

                // TaskGridLayoutAlgorithm.MAX_LAYOUT_TASK_COUNT} tasks.

                isStackTask = t.lastActiveTime >= lastStackActiveTime &&

                    i >= taskCount - TaskGridLayoutAlgorithm.MAX_LAYOUT_TASK_COUNT;

            } else {

                isStackTask = isFreeformTask || !isHistoricalTask(t) ||

                    (t.lastActiveTime >= lastStackActiveTime && i >= (taskCount - MIN_NUM_TASKS));

            }

            boolean isLaunchTarget = taskKey.id == runningTaskId;

            // The last stack active time is the baseline for which we show visible tasks.  Since

public class TaskGridLayoutAlgorithm  {

    private final String TAG = "TaskGridLayoutAlgorithm";

    private final int MAX_LAYOUT_TASK_COUNT = 8;

    public static final int MAX_LAYOUT_TASK_COUNT = 8;

    /** The horizontal padding around the whole recents view. */

    private int mPaddingLeftRight;

        updateAppAspectRatio();

    }

    /**

     * Returns the proper task view transform of a certain task view, according to its index and the

     * amount of task views.

     * @param taskIndex     The index of the task view whose transform we want. It's never greater

     *                      than {@link MAX_LAYOUT_TASK_COUNT}.

     * @param taskCount     The current amount of task views.

     * @param transformOut  The result transform that this method returns.

     * @param stackLayout   The base stack layout algorithm.

     * @return  The expected transform of the (taskIndex)th task view.

     */

    public TaskViewTransform getTransform(int taskIndex, int taskCount,

        TaskViewTransform transformOut, TaskStackLayoutAlgorithm stackLayout) {