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Commit 4411178e authored by Jerry Chang's avatar Jerry Chang Committed by Automerger Merge Worker
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Merge "Add a flag to determin whether to support legacy split" into sc-dev am: 6a60e58c 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14410479

Change-Id: Icd97fbd0c669ca671a5ef0c021838f2edc32ed5f
parents 003fff97 6a60e58c

core/res/res/values/config.xml

+3 −0
Original line number Diff line number Diff line
@@ -3552,6 +3552,9 @@ 
    -->

    <integer name="config_largeScreenSmallestScreenWidthDp">600</integer>



    <!-- True if the device is using leagacy split. -->

    <bool name="config_useLegacySplit">true</bool>



    <!-- True if the device supports running activities on secondary displays. -->

    <bool name="config_supportsMultiDisplay">true</bool>

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -396,6 +396,7 @@ 
  <java-symbol type="integer" name="config_respectsActivityMinWidthHeightMultiWindow" />

  <java-symbol type="dimen" name="config_minPercentageMultiWindowSupportWidth" />

  <java-symbol type="integer" name="config_largeScreenSmallestScreenWidthDp" />

  <java-symbol type="bool" name="config_useLegacySplit" />

  <java-symbol type="bool" name="config_noHomeScreen" />

  <java-symbol type="bool" name="config_supportsSystemDecorsOnSecondaryDisplays" />

  <java-symbol type="bool" name="config_supportsInsecureLockScreen" />

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

+19 −2
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ import android.window.TransitionRequestInfo; 
import android.window.WindowContainerTransaction;





import com.android.internal.R;

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.protolog.common.ProtoLog;

import com.android.wm.shell.RootTaskDisplayAreaOrganizer;
@@ -110,6 +111,11 @@ class StageCoordinator implements SplitLayout.LayoutChangeListener, 
    private final SplitScreenTransitions mSplitTransitions;

    private boolean mExitSplitScreenOnHide = true;



    // TODO(b/187041611): remove this flag after totally deprecated legacy split

    /** Whether the device is supporting legacy split or not. */

    private boolean mUseLegacySplit;





    @SplitScreen.StageType int mDismissTop = NO_DISMISS;

    private final Runnable mOnTransitionAnimationComplete = () -> {

        // If still playing, let it finish.
@@ -334,10 +340,17 @@ class StageCoordinator implements SplitLayout.LayoutChangeListener, 


    private void onStageRootTaskAppeared(StageListenerImpl stageListener) {

        if (mMainStageListener.mHasRootTask && mSideStageListener.mHasRootTask) {

            mUseLegacySplit = mContext.getResources().getBoolean(R.bool.config_useLegacySplit);

            final WindowContainerTransaction wct = new WindowContainerTransaction();

            // Make the stages adjacent to each other so they occlude what's behind them.

            wct.setAdjacentRoots(mMainStage.mRootTaskInfo.token, mSideStage.mRootTaskInfo.token);



            // Only sets side stage as launch-adjacent-flag-root when the device is not using legacy

            // split to prevent new split behavior confusing users.

            if (!mUseLegacySplit) {

                wct.setLaunchAdjacentFlagRoot(mSideStage.mRootTaskInfo.token);

            }



            mTaskOrganizer.applyTransaction(wct);

        }

    }
@@ -347,7 +360,11 @@ class StageCoordinator implements SplitLayout.LayoutChangeListener, 
            final WindowContainerTransaction wct = new WindowContainerTransaction();

            // Deactivate the main stage if it no longer has a root task.

            mMainStage.deactivate(wct);



            if (!mUseLegacySplit) {

                wct.clearLaunchAdjacentFlagRoot(mSideStage.mRootTaskInfo.token);

            }



            mTaskOrganizer.applyTransaction(wct);

        }

    }