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Commit 8e04a4b0 authored by Massimo Carli's avatar Massimo Carli Committed by Automerger Merge Worker
Browse files

Merge "Enable blur letterbox wallpaper behind flags" into udc-qpr-dev am: 9c84b517 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23874759



Change-Id: I8d26028646ec316ad449df8546c81872ff56e48c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents ea639a21 9c84b517

core/res/res/color/letterbox_background.xml

deleted100644 → 0
+0 −19
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!--

  ~ Copyright (C) 2022 The Android Open Source Project

  ~

  ~ Licensed under the Apache License, Version 2.0 (the "License");

  ~ you may not use this file except in compliance with the License.

  ~ You may obtain a copy of the License at

  ~

  ~      http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License.

  -->

<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:color="@color/system_neutral1_500" android:lStar="5" />

</selector>

core/res/res/values/config.xml

+3 −3
Original line number Diff line number Diff line
@@ -5577,13 +5577,13 @@ 


    <!-- Blur radius for the Option 3 in R.integer.config_letterboxBackgroundType. Values < 0 are

        ignored and 0 is used. -->

    <dimen name="config_letterboxBackgroundWallpaperBlurRadius">31dp</dimen>

    <dimen name="config_letterboxBackgroundWallpaperBlurRadius">24dp</dimen>



    <!-- Alpha of a black translucent scrim showed over wallpaper letterbox background when

        the Option 3 is selected for R.integer.config_letterboxBackgroundType.

        Values < 0 or >= 1 are ignored and 0.0 (transparent) is used instead. -->

    <item name="config_letterboxBackgroundWallaperDarkScrimAlpha" format="float" type="dimen">

        0.5

        0.68

    </item>



    <!-- Corners appearance of the letterbox background.
@@ -5608,7 +5608,7 @@ 
            but isn't supported on the device or both dark scrim alpha and blur radius aren't

            provided.

     -->

    <color name="config_letterboxBackgroundColor">@color/letterbox_background</color>

    <color name="config_letterboxBackgroundColor">@color/system_on_secondary_fixed</color>



    <!-- Horizontal position of a center of the letterboxed app window.

        0 corresponds to the left side of the screen and 1 to the right side. If given value < 0

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

+65 −30
Original line number Diff line number Diff line
@@ -85,6 +85,13 @@ final class LetterboxConfiguration { 
    // TODO(b/288142656): Enable user aspect ratio settings by default.

    private static final boolean DEFAULT_VALUE_ENABLE_USER_ASPECT_RATIO_SETTINGS = false;



    // Whether the letterbox wallpaper style is enabled by default

    private static final String KEY_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER =

            "enable_letterbox_background_wallpaper";



    // TODO(b/290048978): Enable wallpaper as default letterbox background.

    private static final boolean DEFAULT_VALUE_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER = false;



    /**

     * Override of aspect ratio for fixed orientation letterboxing that is set via ADB with

     * set-fixed-orientation-letterbox-aspect-ratio or via {@link
@@ -101,9 +108,16 @@ final class LetterboxConfiguration { 


    /** Enum for Letterbox background type. */

    @Retention(RetentionPolicy.SOURCE)

    @IntDef({LETTERBOX_BACKGROUND_SOLID_COLOR, LETTERBOX_BACKGROUND_APP_COLOR_BACKGROUND,

            LETTERBOX_BACKGROUND_APP_COLOR_BACKGROUND_FLOATING, LETTERBOX_BACKGROUND_WALLPAPER})

    @IntDef({LETTERBOX_BACKGROUND_OVERRIDE_UNSET,

            LETTERBOX_BACKGROUND_SOLID_COLOR,

            LETTERBOX_BACKGROUND_APP_COLOR_BACKGROUND,

            LETTERBOX_BACKGROUND_APP_COLOR_BACKGROUND_FLOATING,

            LETTERBOX_BACKGROUND_WALLPAPER})

    @interface LetterboxBackgroundType {};



    /** No letterbox background style set. Using the one defined by DeviceConfig. */

    static final int LETTERBOX_BACKGROUND_OVERRIDE_UNSET = -1;



    /** Solid background using color specified in R.color.config_letterboxBackgroundColor. */

    static final int LETTERBOX_BACKGROUND_SOLID_COLOR = 0;
@@ -183,14 +197,14 @@ final class LetterboxConfiguration { 
    @Nullable private Integer mLetterboxBackgroundColorResourceIdOverride;



    @LetterboxBackgroundType

    private int mLetterboxBackgroundType;

    private final int mLetterboxBackgroundType;



    // Blur radius for LETTERBOX_BACKGROUND_WALLPAPER option in mLetterboxBackgroundType.

    // Blur radius for LETTERBOX_BACKGROUND_WALLPAPER option from getLetterboxBackgroundType().

    // Values <= 0 are ignored and 0 is used instead.

    private int mLetterboxBackgroundWallpaperBlurRadius;

    private int mLetterboxBackgroundWallpaperBlurRadiusPx;



    // Alpha of a black scrim shown over wallpaper letterbox background when

    // LETTERBOX_BACKGROUND_WALLPAPER option is selected for mLetterboxBackgroundType.

    // LETTERBOX_BACKGROUND_WALLPAPER option is returned from getLetterboxBackgroundType().

    // Values < 0 or >= 1 are ignored and 0.0 (transparent) is used instead.

    private float mLetterboxBackgroundWallpaperDarkScrimAlpha;
@@ -252,6 +266,11 @@ final class LetterboxConfiguration { 
    // Allows to enable user aspect ratio settings ignoring flags.

    private boolean mUserAppAspectRatioSettingsOverrideEnabled;



    // The override for letterbox background type in case it's different from

    // LETTERBOX_BACKGROUND_OVERRIDE_UNSET

    @LetterboxBackgroundType

    private int mLetterboxBackgroundTypeOverride = LETTERBOX_BACKGROUND_OVERRIDE_UNSET;



    // Whether we should use split screen aspect ratio for the activity when camera compat treatment

    // is enabled and activity is connected to the camera in fullscreen.

    private final boolean mIsCameraCompatSplitScreenAspectRatioEnabled;
@@ -294,10 +313,10 @@ final class LetterboxConfiguration { 


        mFixedOrientationLetterboxAspectRatio = mContext.getResources().getFloat(

                R.dimen.config_fixedOrientationLetterboxAspectRatio);

        mLetterboxBackgroundType = readLetterboxBackgroundTypeFromConfig(mContext);

        mLetterboxActivityCornersRadius = mContext.getResources().getInteger(

                R.integer.config_letterboxActivityCornersRadius);

        mLetterboxBackgroundType = readLetterboxBackgroundTypeFromConfig(mContext);

        mLetterboxBackgroundWallpaperBlurRadius = mContext.getResources().getDimensionPixelSize(

        mLetterboxBackgroundWallpaperBlurRadiusPx = mContext.getResources().getDimensionPixelSize(

                R.dimen.config_letterboxBackgroundWallpaperBlurRadius);

        mLetterboxBackgroundWallpaperDarkScrimAlpha = mContext.getResources().getFloat(

                R.dimen.config_letterboxBackgroundWallaperDarkScrimAlpha);
@@ -359,6 +378,8 @@ final class LetterboxConfiguration { 
                        DEFAULT_VALUE_ENABLE_USER_ASPECT_RATIO_SETTINGS,

                        mContext.getResources().getBoolean(

                                R.bool.config_appCompatUserAppAspectRatioSettingsIsEnabled))

                .addDeviceConfigEntry(KEY_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER,

                        DEFAULT_VALUE_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER, /* enabled */ true)

                .build();

    }
@@ -497,25 +518,39 @@ final class LetterboxConfiguration { 
    }



    /**

     * Gets {@link LetterboxBackgroundType} specified in {@link

     * com.android.internal.R.integer.config_letterboxBackgroundType} or over via ADB command.

     * Gets {@link LetterboxBackgroundType} specified via ADB command or the default one.

     */

    @LetterboxBackgroundType

    int getLetterboxBackgroundType() {

        return mLetterboxBackgroundType;

        return mLetterboxBackgroundTypeOverride != LETTERBOX_BACKGROUND_OVERRIDE_UNSET

                ? mLetterboxBackgroundTypeOverride

                : getDefaultLetterboxBackgroundType();

    }



    /** Sets letterbox background type. */

    void setLetterboxBackgroundType(@LetterboxBackgroundType int backgroundType) {

        mLetterboxBackgroundType = backgroundType;

    /** Overrides the letterbox background type. */

    void setLetterboxBackgroundTypeOverride(@LetterboxBackgroundType int backgroundType) {

        mLetterboxBackgroundTypeOverride = backgroundType;

    }



    /**

     * Resets cletterbox background type to {@link

     * com.android.internal.R.integer.config_letterboxBackgroundType}.

     * Resets letterbox background type value depending on the

     * {@link #KEY_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER} built time and runtime flags.

     *

     * <p>If enabled, the letterbox background type value is set toZ

     * {@link #LETTERBOX_BACKGROUND_WALLPAPER}. When disabled the letterbox background type value

     * comes from {@link R.integer.config_letterboxBackgroundType}.

     */

    void resetLetterboxBackgroundType() {

        mLetterboxBackgroundType = readLetterboxBackgroundTypeFromConfig(mContext);

        mLetterboxBackgroundTypeOverride = LETTERBOX_BACKGROUND_OVERRIDE_UNSET;

    }



    // Returns KEY_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER if the DeviceConfig flag is enabled

    // or the value in com.android.internal.R.integer.config_letterboxBackgroundType if the flag

    // is disabled.

    @LetterboxBackgroundType

    private int getDefaultLetterboxBackgroundType() {

        return mDeviceConfig.getFlagValue(KEY_ENABLE_LETTERBOX_BACKGROUND_WALLPAPER)

                ? LETTERBOX_BACKGROUND_WALLPAPER : mLetterboxBackgroundType;

    }



    /** Returns a string representing the given {@link LetterboxBackgroundType}. */
@@ -548,7 +583,7 @@ final class LetterboxConfiguration { 


    /**

     * Overrides alpha of a black scrim shown over wallpaper for {@link

     * #LETTERBOX_BACKGROUND_WALLPAPER} option in {@link mLetterboxBackgroundType}.

     * #LETTERBOX_BACKGROUND_WALLPAPER} option returned from {@link getLetterboxBackgroundType()}.

     *

     * <p>If given value is < 0 or >= 1, both it and a value of {@link

     * com.android.internal.R.dimen.config_letterboxBackgroundWallaperDarkScrimAlpha} are ignored
@@ -575,33 +610,33 @@ final class LetterboxConfiguration { 
    }



    /**

     * Overrides blur radius for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option in

     * {@link mLetterboxBackgroundType}.

     * Overrides blur radius for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option from

     * {@link getLetterboxBackgroundType()}.

     *

     * <p> If given value <= 0, both it and a value of {@link

     * com.android.internal.R.dimen.config_letterboxBackgroundWallpaperBlurRadius} are ignored

     * and 0 is used instead.

     */

    void setLetterboxBackgroundWallpaperBlurRadius(int radius) {

        mLetterboxBackgroundWallpaperBlurRadius = radius;

    void setLetterboxBackgroundWallpaperBlurRadiusPx(int radius) {

        mLetterboxBackgroundWallpaperBlurRadiusPx = radius;

    }



    /**

     * Resets blur raidus for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option in {@link

     * mLetterboxBackgroundType} to {@link

     * Resets blur raidus for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option returned by {@link

     * getLetterboxBackgroundType()} to {@link

     * com.android.internal.R.dimen.config_letterboxBackgroundWallpaperBlurRadius}.

     */

    void resetLetterboxBackgroundWallpaperBlurRadius() {

        mLetterboxBackgroundWallpaperBlurRadius = mContext.getResources().getDimensionPixelSize(

    void resetLetterboxBackgroundWallpaperBlurRadiusPx() {

        mLetterboxBackgroundWallpaperBlurRadiusPx = mContext.getResources().getDimensionPixelSize(

                com.android.internal.R.dimen.config_letterboxBackgroundWallpaperBlurRadius);

    }



    /**

     * Gets blur raidus for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option in {@link

     * mLetterboxBackgroundType}.

     * Gets blur raidus for {@link #LETTERBOX_BACKGROUND_WALLPAPER} option returned by {@link

     * getLetterboxBackgroundType()}.

     */

    int getLetterboxBackgroundWallpaperBlurRadius() {

        return mLetterboxBackgroundWallpaperBlurRadius;

    int getLetterboxBackgroundWallpaperBlurRadiusPx() {

        return mLetterboxBackgroundWallpaperBlurRadiusPx;

    }



    /*

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

+8 −8
Original line number Diff line number Diff line
@@ -894,7 +894,7 @@ final class LetterboxUiController { 
                        this::shouldLetterboxHaveRoundedCorners,

                        this::getLetterboxBackgroundColor,

                        this::hasWallpaperBackgroundForLetterbox,

                        this::getLetterboxWallpaperBlurRadius,

                        this::getLetterboxWallpaperBlurRadiusPx,

                        this::getLetterboxWallpaperDarkScrimAlpha,

                        this::handleHorizontalDoubleTap,

                        this::handleVerticalDoubleTap,
@@ -1315,7 +1315,7 @@ final class LetterboxUiController { 
            case LETTERBOX_BACKGROUND_WALLPAPER:

                if (hasWallpaperBackgroundForLetterbox()) {

                    // Color is used for translucent scrim that dims wallpaper.

                    return Color.valueOf(Color.BLACK);

                    return mLetterboxConfiguration.getLetterboxBackgroundColor();

                }

                Slog.w(TAG, "Wallpaper option is selected for letterbox background but "

                        + "blur is not supported by a device or not supported in the current "
@@ -1472,10 +1472,10 @@ final class LetterboxUiController { 
                        // Don't use wallpaper as a background if letterboxed for display cutout.

                        && isLetterboxedNotForDisplayCutout(mainWindow)

                        // Check that dark scrim alpha or blur radius are provided

                        && (getLetterboxWallpaperBlurRadius() > 0

                        && (getLetterboxWallpaperBlurRadiusPx() > 0

                                || getLetterboxWallpaperDarkScrimAlpha() > 0)

                        // Check that blur is supported by a device if blur radius is provided.

                        && (getLetterboxWallpaperBlurRadius() <= 0

                        && (getLetterboxWallpaperBlurRadiusPx() <= 0

                                || isLetterboxWallpaperBlurSupported());

        if (mShowWallpaperForLetterboxBackground != wallpaperShouldBeShown) {

            mShowWallpaperForLetterboxBackground = wallpaperShouldBeShown;
@@ -1483,9 +1483,9 @@ final class LetterboxUiController { 
        }

    }



    private int getLetterboxWallpaperBlurRadius() {

        int blurRadius = mLetterboxConfiguration.getLetterboxBackgroundWallpaperBlurRadius();

        return blurRadius < 0 ? 0 : blurRadius;

    private int getLetterboxWallpaperBlurRadiusPx() {

        int blurRadius = mLetterboxConfiguration.getLetterboxBackgroundWallpaperBlurRadiusPx();

        return Math.max(blurRadius, 0);

    }



    private float getLetterboxWallpaperDarkScrimAlpha() {
@@ -1535,7 +1535,7 @@ final class LetterboxUiController { 
            pw.println(prefix + "  letterboxBackgroundWallpaperDarkScrimAlpha="

                    + getLetterboxWallpaperDarkScrimAlpha());

            pw.println(prefix + "  letterboxBackgroundWallpaperBlurRadius="

                    + getLetterboxWallpaperBlurRadius());

                    + getLetterboxWallpaperBlurRadiusPx());

        }



        pw.println(prefix + "  isHorizontalReachabilityEnabled="

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

+10 −7
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ import android.os.UserHandle; 
import android.provider.Settings;

import android.util.DisplayMetrics;

import android.util.Pair;

import android.util.TypedValue;

import android.view.Display;

import android.view.IWindow;

import android.view.IWindowManager;
@@ -728,7 +729,7 @@ public class WindowManagerShellCommand extends ShellCommand { 
            return -1;

        }

        synchronized (mInternal.mGlobalLock) {

            mLetterboxConfiguration.setLetterboxBackgroundType(backgroundType);

            mLetterboxConfiguration.setLetterboxBackgroundTypeOverride(backgroundType);

        }

        return 0;

    }
@@ -770,10 +771,10 @@ public class WindowManagerShellCommand extends ShellCommand { 


    private int runSetLetterboxBackgroundWallpaperBlurRadius(PrintWriter pw)

            throws RemoteException {

        final int radius;

        final int radiusDp;

        try {

            String arg = getNextArgRequired();

            radius = Integer.parseInt(arg);

            radiusDp = Integer.parseInt(arg);

        } catch (NumberFormatException  e) {

            getErrPrintWriter().println("Error: blur radius format " + e);

            return -1;
@@ -783,7 +784,9 @@ public class WindowManagerShellCommand extends ShellCommand { 
            return -1;

        }

        synchronized (mInternal.mGlobalLock) {

            mLetterboxConfiguration.setLetterboxBackgroundWallpaperBlurRadius(radius);

            final int radiusPx = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,

                    radiusDp, mInternal.mContext.getResources().getDisplayMetrics());

            mLetterboxConfiguration.setLetterboxBackgroundWallpaperBlurRadiusPx(radiusPx);

        }

        return 0;

    }
@@ -1050,7 +1053,7 @@ public class WindowManagerShellCommand extends ShellCommand { 
                        mLetterboxConfiguration.resetLetterboxBackgroundColor();

                        break;

                    case "wallpaperBlurRadius":

                        mLetterboxConfiguration.resetLetterboxBackgroundWallpaperBlurRadius();

                        mLetterboxConfiguration.resetLetterboxBackgroundWallpaperBlurRadiusPx();

                        break;

                    case "wallpaperDarkScrimAlpha":

                        mLetterboxConfiguration.resetLetterboxBackgroundWallpaperDarkScrimAlpha();
@@ -1188,7 +1191,7 @@ public class WindowManagerShellCommand extends ShellCommand { 
            mLetterboxConfiguration.resetLetterboxActivityCornersRadius();

            mLetterboxConfiguration.resetLetterboxBackgroundType();

            mLetterboxConfiguration.resetLetterboxBackgroundColor();

            mLetterboxConfiguration.resetLetterboxBackgroundWallpaperBlurRadius();

            mLetterboxConfiguration.resetLetterboxBackgroundWallpaperBlurRadiusPx();

            mLetterboxConfiguration.resetLetterboxBackgroundWallpaperDarkScrimAlpha();

            mLetterboxConfiguration.resetLetterboxHorizontalPositionMultiplier();

            mLetterboxConfiguration.resetIsHorizontalReachabilityEnabled();
@@ -1262,7 +1265,7 @@ public class WindowManagerShellCommand extends ShellCommand { 
            pw.println("    Background color: " + Integer.toHexString(

                    mLetterboxConfiguration.getLetterboxBackgroundColor().toArgb()));

            pw.println("    Wallpaper blur radius: "

                    + mLetterboxConfiguration.getLetterboxBackgroundWallpaperBlurRadius());

                    + mLetterboxConfiguration.getLetterboxBackgroundWallpaperBlurRadiusPx());

            pw.println("    Wallpaper dark scrim alpha: "

                    + mLetterboxConfiguration.getLetterboxBackgroundWallpaperDarkScrimAlpha());

            pw.println("Is letterboxing for translucent activities enabled: "