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Commit 08af89be authored by Jerry Chang's avatar Jerry Chang Committed by Automerger Merge Worker
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Merge "Update smallestScreenWidthDp when split bounds resized" into tm-dev am: 613fbf77 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16938660

Change-Id: Ic081c4543c0417ede459c40484b65aa8c0b4ab4d
parents 61211995 613fbf77

libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java

+8 −0
Original line number Diff line number Diff line
@@ -502,16 +502,24 @@ public final class SplitLayout implements DisplayInsetsController.OnInsetsChange 


        if (!mBounds1.equals(mWinBounds1) || !task1.token.equals(mWinToken1)) {

            wct.setBounds(task1.token, mBounds1);

            wct.setSmallestScreenWidthDp(task1.token, getSmallestWidthDp(mBounds1));

            mWinBounds1.set(mBounds1);

            mWinToken1 = task1.token;

        }

        if (!mBounds2.equals(mWinBounds2) || !task2.token.equals(mWinToken2)) {

            wct.setBounds(task2.token, mBounds2);

            wct.setSmallestScreenWidthDp(task2.token, getSmallestWidthDp(mBounds2));

            mWinBounds2.set(mBounds2);

            mWinToken2 = task2.token;

        }

    }



    private int getSmallestWidthDp(Rect bounds) {

        final int minWidth = Math.min(bounds.width(), bounds.height());

        final float density = mContext.getResources().getDisplayMetrics().density;

        return (int) (minWidth / density);

    }



    /**

     * Shift configuration bounds to prevent client apps get configuration changed or relaunch. And

     * restore shifted configuration bounds if it's no longer shifted.

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java

+4 −6
Original line number Diff line number Diff line
@@ -18,7 +18,6 @@ package com.android.wm.shell.splitscreen; 


import android.annotation.Nullable;

import android.content.Context;

import android.graphics.Rect;

import android.view.SurfaceSession;

import android.window.WindowContainerToken;

import android.window.WindowContainerTransaction;
@@ -49,14 +48,13 @@ class MainStage extends StageTaskListener { 
        return mIsActive;

    }



    void activate(Rect rootBounds, WindowContainerTransaction wct, boolean includingTopTask) {

    void activate(WindowContainerTransaction wct, boolean includingTopTask) {

        if (mIsActive) return;



        final WindowContainerToken rootToken = mRootTaskInfo.token;

        wct.setBounds(rootToken, rootBounds)

        // Moving the root task to top after the child tasks were re-parented , or the root

        // task cannot be visible and focused.

                .reorder(rootToken, true /* onTop */);

        wct.reorder(rootToken, true /* onTop */);

        if (includingTopTask) {

            wct.reparentTasks(

                    null /* currentParent */,

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

+10 −9
Original line number Diff line number Diff line
@@ -354,8 +354,8 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
        mSplitLayout.setDivideRatio(splitRatio);

        // Build a request WCT that will launch both apps such that task 0 is on the main stage

        // while task 1 is on the side stage.

        mMainStage.activate(getMainStageBounds(), wct, false /* reparent */);

        mSideStage.setBounds(getSideStageBounds(), wct);

        mMainStage.activate(wct, false /* reparent */);

        updateWindowBounds(mSplitLayout, wct);



        // Make sure the launch options will put tasks in the corresponding split roots

        addActivityOptions(mainOptions, mMainStage);
@@ -470,13 +470,14 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler, 


        mSplitLayout.setDivideRatio(splitRatio);

        if (mMainStage.isActive()) {

            mMainStage.moveToTop(getMainStageBounds(), wct);

            mMainStage.moveToTop(wct);

        } else {

            // Build a request WCT that will launch both apps such that task 0 is on the main stage

            // while task 1 is on the side stage.

            mMainStage.activate(getMainStageBounds(), wct, false /* reparent */);

            mMainStage.activate(wct, false /* reparent */);

        }

        mSideStage.moveToTop(getSideStageBounds(), wct);

        mSideStage.moveToTop(wct);

        updateWindowBounds(mSplitLayout, wct);



        // Make sure the launch options will put tasks in the corresponding split roots

        addActivityOptions(mainOptions, mMainStage);
@@ -774,8 +775,9 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
            setSideStagePosition(startPosition, wct);

            mSideStage.addTask(taskInfo, wct);

        }

        mMainStage.activate(getMainStageBounds(), wct, true /* includingTopTask */);

        mSideStage.moveToTop(getSideStageBounds(), wct);

        mMainStage.activate(wct, true /* includingTopTask */);

        mSideStage.moveToTop(wct);

        updateWindowBounds(mSplitLayout, wct);

    }



    void finishEnterSplitScreen(SurfaceControl.Transaction t) {
@@ -997,10 +999,9 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler, 
                // Exit to side stage if main stage no longer has children.

                exitSplitScreen(mSideStage, EXIT_REASON_APP_FINISHED);

            }

        } else if (isSideStage) {

        } else if (isSideStage && !mMainStage.isActive()) {

            final WindowContainerTransaction wct = new WindowContainerTransaction();

            mSplitLayout.init();

            // Make sure the main stage is active.

            prepareEnterSplitScreen(wct);

            mSyncQueue.queue(wct);

            mSyncQueue.runInSync(t -> {

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageTaskListener.java

+4 −8
Original line number Diff line number Diff line
@@ -53,8 +53,8 @@ import java.io.PrintWriter; 
 * Base class that handle common task org. related for split-screen stages.

 * Note that this class and its sub-class do not directly perform hierarchy operations.

 * They only serve to hold a collection of tasks and provide APIs like

 * {@link #setBounds(Rect, WindowContainerTransaction)} for the centralized {@link StageCoordinator}

 * to perform operations in-sync with other containers.

 * {@link #addTask(ActivityManager.RunningTaskInfo, WindowContainerTransaction)} for the centralized

 * {@link StageCoordinator} to perform hierarchy operations in-sync with other containers.

 *

 * @see StageCoordinator

 */
@@ -310,13 +310,9 @@ class StageTaskListener implements ShellTaskOrganizer.TaskListener { 
        wct.reparent(task.token, mRootTaskInfo.token, true /* onTop*/);

    }



    void moveToTop(Rect rootBounds, WindowContainerTransaction wct) {

    void moveToTop(WindowContainerTransaction wct) {

        final WindowContainerToken rootToken = mRootTaskInfo.token;

        wct.setBounds(rootToken, rootBounds).reorder(rootToken, true /* onTop */);

    }



    void setBounds(Rect bounds, WindowContainerTransaction wct) {

        wct.setBounds(mRootTaskInfo.token, bounds);

        wct.reorder(rootToken, true /* onTop */);

    }



    void reorderChild(int taskId, boolean onTop, WindowContainerTransaction wct) {

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/common/split/SplitLayoutTests.java

+14 −0
Original line number Diff line number Diff line
@@ -28,8 +28,10 @@ import static org.mockito.Mockito.never; 
import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;



import android.app.ActivityManager;

import android.content.res.Configuration;

import android.graphics.Rect;

import android.window.WindowContainerTransaction;



import androidx.test.annotation.UiThreadTest;

import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -38,6 +40,7 @@ import androidx.test.filters.SmallTest; 
import com.android.internal.policy.DividerSnapAlgorithm;

import com.android.wm.shell.ShellTaskOrganizer;

import com.android.wm.shell.ShellTestCase;

import com.android.wm.shell.TestRunningTaskInfoBuilder;

import com.android.wm.shell.common.DisplayImeController;



import org.junit.Before;
@@ -56,6 +59,7 @@ public class SplitLayoutTests extends ShellTestCase { 
    @Mock SplitWindowManager.ParentContainerCallbacks mCallbacks;

    @Mock DisplayImeController mDisplayImeController;

    @Mock ShellTaskOrganizer mTaskOrganizer;

    @Mock WindowContainerTransaction mWct;

    @Captor ArgumentCaptor<Runnable> mRunnableCaptor;

    private SplitLayout mSplitLayout;
@@ -149,6 +153,16 @@ public class SplitLayoutTests extends ShellTestCase { 
        verify(mSplitLayoutHandler).onSnappedToDismiss(eq(true));

    }



    @Test

    public void testApplyTaskChanges_updatesSmallestScreenWidthDp() {

        final ActivityManager.RunningTaskInfo task1 = new TestRunningTaskInfoBuilder().build();

        final ActivityManager.RunningTaskInfo task2 = new TestRunningTaskInfoBuilder().build();

        mSplitLayout.applyTaskChanges(mWct, task1, task2);



        verify(mWct).setSmallestScreenWidthDp(eq(task1.token), anyInt());

        verify(mWct).setSmallestScreenWidthDp(eq(task2.token), anyInt());

    }



    private void waitDividerFlingFinished() {

        verify(mSplitLayout).flingDividePosition(anyInt(), anyInt(), mRunnableCaptor.capture());

        mRunnableCaptor.getValue().run();