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Commit 8ce3f0f3 authored by Maryam Dehaini's avatar Maryam Dehaini
Browse files

Add animation for drag to freeform cancelled 

Adds animation for when task is dragged below status bar and then
released back in status bar area.

Bug: 277256992
Test: Manual Testing
Change-Id: Icbfb7680bef316d26aa287e308525f85549d9cc3
parent d5494efd

libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt

+16 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ import android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN 
import android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED

import android.app.WindowConfiguration.WindowingMode

import android.content.Context

import android.graphics.Point

import android.graphics.Rect

import android.os.IBinder

import android.os.SystemProperties
@@ -193,6 +194,21 @@ class DesktopTasksController( 
        }

    }





    /**

     * Move a task to fullscreen after being dragged from fullscreen and released back into

     * status bar area

     */

    fun cancelMoveToFreeform(task: RunningTaskInfo, startPosition: Point) {

        val wct = WindowContainerTransaction()

        addMoveToFullscreenChanges(wct, task.token)

        if (Transitions.ENABLE_SHELL_TRANSITIONS) {

            enterDesktopTaskTransitionHandler.startCancelMoveToDesktopMode(wct, startPosition)

        } else {

            shellTaskOrganizer.applyTransaction(wct)

        }

    }



    fun moveToFullscreenWithAnimation(task: ActivityManager.RunningTaskInfo) {

        val wct = WindowContainerTransaction()

        addMoveToFullscreenChanges(wct, task.token)

libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/EnterDesktopTaskTransitionHandler.java

+45 −0
Original line number Diff line number Diff line
@@ -17,11 +17,13 @@ 
package com.android.wm.shell.desktopmode;



import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;

import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;



import android.animation.Animator;

import android.animation.AnimatorListenerAdapter;

import android.animation.ValueAnimator;

import android.app.ActivityManager;

import android.graphics.Point;

import android.graphics.Rect;

import android.os.IBinder;

import android.view.SurfaceControl;
@@ -55,6 +57,7 @@ public class EnterDesktopTaskTransitionHandler implements Transitions.Transition 
    public static final int FREEFORM_ANIMATION_DURATION = 336;



    private final List<IBinder> mPendingTransitionTokens = new ArrayList<>();

    private Point mStartPosition;



    public EnterDesktopTaskTransitionHandler(

            Transitions transitions) {
@@ -79,6 +82,17 @@ public class EnterDesktopTaskTransitionHandler implements Transitions.Transition 
        mPendingTransitionTokens.add(token);

    }



    /**

     * Starts Transition of type TRANSIT_CANCEL_ENTERING_DESKTOP_MODE

     * @param wct WindowContainerTransaction for transition

     * @param startPosition Position of task when transition is triggered

     */

    public void startCancelMoveToDesktopMode(@NonNull WindowContainerTransaction wct,

            Point startPosition) {

        mStartPosition = startPosition;

        startTransition(Transitions.TRANSIT_CANCEL_ENTERING_DESKTOP_MODE, wct);

    }



    @Override

    public boolean startAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,

            @NonNull SurfaceControl.Transaction startT,
@@ -173,6 +187,37 @@ public class EnterDesktopTaskTransitionHandler implements Transitions.Transition 
            return true;

        }



        if (type == Transitions.TRANSIT_CANCEL_ENTERING_DESKTOP_MODE

                && taskInfo.getWindowingMode() == WINDOWING_MODE_FULLSCREEN

                && mStartPosition != null) {

            // This Transition animates a task to fullscreen after being dragged from the status

            // bar and then released back into the status bar area

            final SurfaceControl sc = change.getLeash();

            startT.setWindowCrop(sc, null);

            startT.apply();



            final ValueAnimator animator = new ValueAnimator();

            animator.setFloatValues(DRAG_FREEFORM_SCALE, 1f);

            animator.setDuration(FREEFORM_ANIMATION_DURATION);

            final SurfaceControl.Transaction t = mTransactionSupplier.get();

            animator.addUpdateListener(animation -> {

                final float scale = animation.getAnimatedFraction();

                t.setPosition(sc, mStartPosition.x * (1 - scale),

                        mStartPosition.y * (1 - scale));

                t.setScale(sc, scale, scale);

                t.apply();

            });

            animator.addListener(new AnimatorListenerAdapter() {

                @Override

                public void onAnimationEnd(Animator animation) {

                    mTransitions.getMainExecutor().execute(

                            () -> finishCallback.onTransitionFinished(null, null));

                }

            });

            animator.start();

            return true;

        }



        return false;

    }

libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java

+4 −0
Original line number Diff line number Diff line
@@ -143,6 +143,10 @@ public class Transitions implements RemoteCallable<Transitions> { 
    /** Transition type to fullscreen from desktop mode. */

    public static final int TRANSIT_EXIT_DESKTOP_MODE = WindowManager.TRANSIT_FIRST_CUSTOM + 12;



    /** Transition type to animate back to fullscreen when drag to freeform is cancelled. */

    public static final int TRANSIT_CANCEL_ENTERING_DESKTOP_MODE =

            WindowManager.TRANSIT_FIRST_CUSTOM + 13;



    private final WindowOrganizer mOrganizer;

    private final Context mContext;

    private final ShellExecutor mMainExecutor;

libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java

+5 −2
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ import android.app.ActivityManager.RunningTaskInfo; 
import android.app.ActivityTaskManager;

import android.content.Context;

import android.content.res.Resources;

import android.graphics.Point;

import android.graphics.Rect;

import android.hardware.input.InputManager;

import android.os.Handler;
@@ -553,8 +554,10 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel { 
                        mDragToDesktopAnimationStarted = false;

                        return;

                    } else if (mDragToDesktopAnimationStarted) {

                        mDesktopTasksController.ifPresent(c ->

                                c.moveToFullscreen(relevantDecor.mTaskInfo));

                        Point startPosition = new Point((int) ev.getX(), (int) ev.getY());

                        mDesktopTasksController.ifPresent(

                                c -> c.cancelMoveToFreeform(relevantDecor.mTaskInfo,

                                        startPosition));

                        mDragToDesktopAnimationStarted = false;

                        return;

                    }