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Commit a7e27ab0 authored by Graciela Wissen Putri's avatar Graciela Wissen Putri
Browse files

Only check letterbox position in book mode 

Don't resize app only when device is in half-folded book mode state and
app is centered - this will fix and allow app to resize to split screen
size in tabletop mode again.

Fix: 274983420
Test: atest WmTests:SizeCompatTests
Change-Id: Iad48912a06174354be1ed450c04b967ae379daaf
parent e3ae617c

services/core/java/com/android/server/wm/LetterboxConfiguration.java

+3 −0
Original line number Diff line number Diff line
@@ -53,6 +53,9 @@ final class LetterboxConfiguration { 
     */

    static final float MIN_FIXED_ORIENTATION_LETTERBOX_ASPECT_RATIO = 1.0f;



    /** Letterboxed app window position multiplier indicating center position. */

    static final float LETTERBOX_POSITION_MULTIPLIER_CENTER = 0.5f;



    /** Enum for Letterbox background type. */

    @Retention(RetentionPolicy.SOURCE)

    @IntDef({LETTERBOX_BACKGROUND_SOLID_COLOR, LETTERBOX_BACKGROUND_APP_COLOR_BACKGROUND,

services/core/java/com/android/server/wm/LetterboxUiController.java

+14 −6
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_BACKGROUND_ 
import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_HORIZONTAL_REACHABILITY_POSITION_CENTER;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_HORIZONTAL_REACHABILITY_POSITION_LEFT;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_HORIZONTAL_REACHABILITY_POSITION_RIGHT;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_POSITION_MULTIPLIER_CENTER;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_VERTICAL_REACHABILITY_POSITION_BOTTOM;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_VERTICAL_REACHABILITY_POSITION_CENTER;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_VERTICAL_REACHABILITY_POSITION_TOP;
@@ -932,9 +933,16 @@ final class LetterboxUiController { 
    }



    private boolean shouldUseSplitScreenAspectRatio(@NonNull Configuration parentConfiguration) {

        return isDisplayFullScreenAndSeparatingHinge()

                // Don't resize to split screen size when half folded and centered

                && getHorizontalPositionMultiplier(parentConfiguration) != 0.5f

        final boolean isBookMode = isDisplayFullScreenAndInPosture(

                DeviceStateController.DeviceState.HALF_FOLDED,

                /* isTabletop */ false);

        final boolean isNotCenteredHorizontally = getHorizontalPositionMultiplier(

                parentConfiguration) != LETTERBOX_POSITION_MULTIPLIER_CENTER;

        final boolean isTabletopMode = isDisplayFullScreenAndInPosture(

                DeviceStateController.DeviceState.HALF_FOLDED,

                /* isTabletop */ true);

        // Don't resize to split screen size when in book mode if letterbox position is centered

        return ((isBookMode && isNotCenteredHorizontally) || isTabletopMode)

                    || isCameraCompatSplitScreenAspectRatioAllowed()

                        && isCameraCompatTreatmentActive();

    }
@@ -996,7 +1004,7 @@ final class LetterboxUiController { 


    @LetterboxConfiguration.LetterboxHorizontalReachabilityPosition

    int getLetterboxPositionForHorizontalReachability() {

        final boolean isInFullScreenBookMode = isDisplayFullScreenAndSeparatingHinge();

        final boolean isInFullScreenBookMode = isFullScreenAndBookModeEnabled();

        return mLetterboxConfiguration.getLetterboxPositionForHorizontalReachability(

                isInFullScreenBookMode);

    }

services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java

+22 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ import static com.android.server.wm.ActivityRecord.State.RESTARTING_PROCESS; 
import static com.android.server.wm.ActivityRecord.State.RESUMED;

import static com.android.server.wm.ActivityRecord.State.STOPPED;

import static com.android.server.wm.DisplayContent.IME_TARGET_LAYERING;

import static com.android.server.wm.LetterboxConfiguration.LETTERBOX_POSITION_MULTIPLIER_CENTER;

import static com.android.server.wm.WindowContainer.POSITION_TOP;



import static com.google.common.truth.Truth.assertThat;
@@ -3770,6 +3771,27 @@ public class SizeCompatTests extends WindowTestsBase { 
        assertEquals(letterboxNoFold, mActivity.getBounds());

    }



    @Test

    public void testGetFixedOrientationLetterboxAspectRatio_tabletop_centered() {

        // Set up a display in portrait with a fixed-orientation LANDSCAPE app

        setUpDisplaySizeWithApp(1400, 2800);

        mWm.mLetterboxConfiguration.setLetterboxHorizontalPositionMultiplier(

                LETTERBOX_POSITION_MULTIPLIER_CENTER);

        mActivity.mWmService.mLetterboxConfiguration.setLetterboxVerticalPositionMultiplier(

                1.0f /*letterboxVerticalPositionMultiplier*/);

        prepareUnresizable(mActivity, SCREEN_ORIENTATION_LANDSCAPE);



        setFoldablePosture(true /* isHalfFolded */, true /* isTabletop */);



        Configuration parentConfig = mActivity.getParent().getConfiguration();



        float actual = mActivity.mLetterboxUiController

                .getFixedOrientationLetterboxAspectRatio(parentConfig);

        float expected = mActivity.mLetterboxUiController.getSplitScreenAspectRatio();



        assertEquals(expected, actual, 0.01);

    }



    @Test

    public void testUpdateResolvedBoundsHorizontalPosition_bookModeEnabled() {

        // Set up a display in landscape with a fixed-orientation PORTRAIT app