Merge "Re-land: Let WindowProcessController apply app specific config" into main
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 129cee7..121376c 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -53,7 +53,6 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.app.WindowConfiguration.activityTypeToString;
-import static android.app.WindowConfiguration.isFloating;
 import static android.app.admin.DevicePolicyResources.Drawables.Source.PROFILE_SWITCH_ANIMATION;
 import static android.app.admin.DevicePolicyResources.Drawables.Style.OUTLINE;
 import static android.app.admin.DevicePolicyResources.Drawables.WORK_PROFILE_ICON;
@@ -343,7 +342,6 @@
 import android.service.dreams.DreamActivity;
 import android.service.voice.IVoiceInteractionSession;
 import android.util.ArraySet;
-import android.util.DisplayMetrics;
 import android.util.EventLog;
 import android.util.Log;
 import android.util.MergedConfiguration;
@@ -8681,7 +8679,14 @@
             resolvedConfig.windowConfiguration.setMaxBounds(mTmpBounds);
         }
 
-        applySizeOverrideIfNeeded(newParentConfiguration, parentWindowingMode, resolvedConfig);
+        applySizeOverrideIfNeeded(
+                mDisplayContent,
+                info.applicationInfo,
+                newParentConfiguration,
+                resolvedConfig,
+                mOptOutEdgeToEdge,
+                hasFixedRotationTransform(),
+                getCompatDisplayInsets() != null);
         mResolveConfigHint.resetTmpOverrides();
 
         logAppCompatState();
@@ -8691,100 +8696,6 @@
         return Rect.copyOrNull(mResolveConfigHint.mParentAppBoundsOverride);
     }
 
-    /**
-     * If necessary, override configuration fields related to app bounds.
-     * This will happen when the app is targeting SDK earlier than 35.
-     * The insets and configuration has decoupled since SDK level 35, to make the system
-     * compatible to existing apps, override the configuration with legacy metrics. In legacy
-     * metrics, fields such as appBounds will exclude some of the system bar areas.
-     * The override contains all potentially affected fields in Configuration, including
-     * screenWidthDp, screenHeightDp, smallestScreenWidthDp, and orientation.
-     * All overrides to those fields should be in this method.
-     *
-     * TODO: Consider integrate this with computeConfigByResolveHint()
-     */
-    private void applySizeOverrideIfNeeded(Configuration newParentConfiguration,
-            int parentWindowingMode, Configuration inOutConfig) {
-        if (mDisplayContent == null) {
-            return;
-        }
-        final Rect parentBounds = newParentConfiguration.windowConfiguration.getBounds();
-        int rotation = newParentConfiguration.windowConfiguration.getRotation();
-        if (rotation == ROTATION_UNDEFINED && !isFixedRotationTransforming()) {
-            rotation = mDisplayContent.getRotation();
-        }
-        if (!mOptOutEdgeToEdge && (!mResolveConfigHint.mUseOverrideInsetsForConfig
-                || getCompatDisplayInsets() != null
-                || (isFloating(parentWindowingMode)
-                        // Check the requested windowing mode of activity as well in case it is
-                        // switching between PiP and fullscreen.
-                        && (inOutConfig.windowConfiguration.getWindowingMode()
-                                == WINDOWING_MODE_UNDEFINED
-                                || isFloating(inOutConfig.windowConfiguration.getWindowingMode())))
-                || rotation == ROTATION_UNDEFINED)) {
-            // If the insets configuration decoupled logic is not enabled for the app, or the app
-            // already has a compat override, or the context doesn't contain enough info to
-            // calculate the override, skip the override.
-            return;
-        }
-        // Make sure the orientation related fields will be updated by the override insets, because
-        // fixed rotation has assigned the fields from display's configuration.
-        if (hasFixedRotationTransform()) {
-            inOutConfig.windowConfiguration.setAppBounds(null);
-            inOutConfig.screenWidthDp = Configuration.SCREEN_WIDTH_DP_UNDEFINED;
-            inOutConfig.screenHeightDp = Configuration.SCREEN_HEIGHT_DP_UNDEFINED;
-            inOutConfig.smallestScreenWidthDp = Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED;
-            inOutConfig.orientation = ORIENTATION_UNDEFINED;
-        }
-
-        // Override starts here.
-        final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
-        final int dw = rotated ? mDisplayContent.mBaseDisplayHeight
-                : mDisplayContent.mBaseDisplayWidth;
-        final int dh = rotated ? mDisplayContent.mBaseDisplayWidth
-                : mDisplayContent.mBaseDisplayHeight;
-        final Rect nonDecorInsets = mDisplayContent.getDisplayPolicy()
-                .getDecorInsetsInfo(rotation, dw, dh).mOverrideNonDecorInsets;
-        // This should be the only place override the configuration for ActivityRecord. Override
-        // the value if not calculated yet.
-        Rect outAppBounds = inOutConfig.windowConfiguration.getAppBounds();
-        if (outAppBounds == null || outAppBounds.isEmpty()) {
-            inOutConfig.windowConfiguration.setAppBounds(parentBounds);
-            outAppBounds = inOutConfig.windowConfiguration.getAppBounds();
-            outAppBounds.inset(nonDecorInsets);
-        }
-        float density = inOutConfig.densityDpi;
-        if (density == Configuration.DENSITY_DPI_UNDEFINED) {
-            density = newParentConfiguration.densityDpi;
-        }
-        density *= DisplayMetrics.DENSITY_DEFAULT_SCALE;
-        if (inOutConfig.screenWidthDp == Configuration.SCREEN_WIDTH_DP_UNDEFINED) {
-            inOutConfig.screenWidthDp = (int) (outAppBounds.width() / density + 0.5f);
-        }
-        if (inOutConfig.screenHeightDp == Configuration.SCREEN_HEIGHT_DP_UNDEFINED) {
-            inOutConfig.screenHeightDp = (int) (outAppBounds.height() / density + 0.5f);
-        }
-        if (inOutConfig.smallestScreenWidthDp
-                == Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED
-                && parentWindowingMode == WINDOWING_MODE_FULLSCREEN) {
-            // For the case of PIP transition and multi-window environment, the
-            // smallestScreenWidthDp is handled already. Override only if the app is in
-            // fullscreen.
-            final DisplayInfo info = new DisplayInfo(mDisplayContent.getDisplayInfo());
-            mDisplayContent.computeSizeRanges(info, rotated, dw, dh,
-                    mDisplayContent.getDisplayMetrics().density,
-                    inOutConfig, true /* overrideConfig */);
-        }
-
-        // It's possible that screen size will be considered in different orientation with or
-        // without considering the system bar insets. Override orientation as well.
-        if (inOutConfig.orientation == ORIENTATION_UNDEFINED) {
-            inOutConfig.orientation =
-                    (inOutConfig.screenWidthDp <= inOutConfig.screenHeightDp)
-                            ? ORIENTATION_PORTRAIT : ORIENTATION_LANDSCAPE;
-        }
-    }
-
     private void computeConfigByResolveHint(@NonNull Configuration resolvedConfig,
             @NonNull Configuration parentConfig) {
         task.computeConfigResourceOverrides(resolvedConfig, parentConfig, mResolveConfigHint);
diff --git a/services/core/java/com/android/server/wm/ConfigurationContainer.java b/services/core/java/com/android/server/wm/ConfigurationContainer.java
index efd5202..a38ac9b 100644
--- a/services/core/java/com/android/server/wm/ConfigurationContainer.java
+++ b/services/core/java/com/android/server/wm/ConfigurationContainer.java
@@ -22,14 +22,23 @@
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
+import static android.app.WindowConfiguration.ROTATION_UNDEFINED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.app.WindowConfiguration.activityTypeToString;
+import static android.app.WindowConfiguration.isFloating;
 import static android.app.WindowConfiguration.windowingModeToString;
 import static android.app.WindowConfigurationProto.WINDOWING_MODE;
 import static android.content.ConfigurationProto.WINDOW_CONFIGURATION;
+import static android.content.pm.ActivityInfo.INSETS_DECOUPLED_CONFIGURATION_ENFORCED;
+import static android.content.pm.ActivityInfo.OVERRIDE_ENABLE_INSETS_DECOUPLED_CONFIGURATION;
+import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
+import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
+import static android.content.res.Configuration.ORIENTATION_UNDEFINED;
+import static android.view.Surface.ROTATION_270;
+import static android.view.Surface.ROTATION_90;
 
 import static com.android.server.wm.ConfigurationContainerProto.FULL_CONFIGURATION;
 import static com.android.server.wm.ConfigurationContainerProto.MERGED_OVERRIDE_CONFIGURATION;
@@ -38,11 +47,14 @@
 import android.annotation.CallSuper;
 import android.annotation.NonNull;
 import android.app.WindowConfiguration;
+import android.content.pm.ApplicationInfo;
 import android.content.res.Configuration;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.LocaleList;
+import android.util.DisplayMetrics;
 import android.util.proto.ProtoOutputStream;
+import android.view.DisplayInfo;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -173,6 +185,111 @@
         mResolvedOverrideConfiguration.setTo(mRequestedOverrideConfiguration);
     }
 
+    /**
+     * If necessary, override configuration fields related to app bounds.
+     * This will happen when the app is targeting SDK earlier than 35.
+     * The insets and configuration has decoupled since SDK level 35, to make the system
+     * compatible to existing apps, override the configuration with legacy metrics. In legacy
+     * metrics, fields such as appBounds will exclude some of the system bar areas.
+     * The override contains all potentially affected fields in Configuration, including
+     * screenWidthDp, screenHeightDp, smallestScreenWidthDp, and orientation.
+     * All overrides to those fields should be in this method.
+     *
+     * TODO: Consider integrate this with computeConfigByResolveHint()
+     */
+    static void applySizeOverrideIfNeeded(DisplayContent displayContent, ApplicationInfo appInfo,
+            Configuration newParentConfiguration, Configuration inOutConfig,
+            boolean optOutEdgeToEdge, boolean hasFixedRotationTransform,
+            boolean hasCompatDisplayInsets) {
+        if (displayContent == null) {
+            return;
+        }
+        final boolean useOverrideInsetsForConfig =
+                displayContent.mWmService.mFlags.mInsetsDecoupledConfiguration
+                        ? !appInfo.isChangeEnabled(INSETS_DECOUPLED_CONFIGURATION_ENFORCED)
+                                && !appInfo.isChangeEnabled(
+                                        OVERRIDE_ENABLE_INSETS_DECOUPLED_CONFIGURATION)
+                        : appInfo.isChangeEnabled(OVERRIDE_ENABLE_INSETS_DECOUPLED_CONFIGURATION);
+        final int parentWindowingMode =
+                newParentConfiguration.windowConfiguration.getWindowingMode();
+        final boolean isFloating = isFloating(parentWindowingMode)
+                // Check the requested windowing mode of activity as well in case it is
+                // switching between PiP and fullscreen.
+                && (inOutConfig.windowConfiguration.getWindowingMode() == WINDOWING_MODE_UNDEFINED
+                        || isFloating(inOutConfig.windowConfiguration.getWindowingMode()));
+        final Rect parentBounds = newParentConfiguration.windowConfiguration.getBounds();
+        int rotation = newParentConfiguration.windowConfiguration.getRotation();
+        if (rotation == ROTATION_UNDEFINED && !hasFixedRotationTransform) {
+            rotation = displayContent.getRotation();
+        }
+        if (!optOutEdgeToEdge && (!useOverrideInsetsForConfig
+                || hasCompatDisplayInsets
+                || isFloating
+                || rotation == ROTATION_UNDEFINED)) {
+            // If the insets configuration decoupled logic is not enabled for the app, or the app
+            // already has a compat override, or the context doesn't contain enough info to
+            // calculate the override, skip the override.
+            return;
+        }
+        // Make sure the orientation related fields will be updated by the override insets, because
+        // fixed rotation has assigned the fields from display's configuration.
+        if (hasFixedRotationTransform) {
+            inOutConfig.windowConfiguration.setAppBounds(null);
+            inOutConfig.screenWidthDp = Configuration.SCREEN_WIDTH_DP_UNDEFINED;
+            inOutConfig.screenHeightDp = Configuration.SCREEN_HEIGHT_DP_UNDEFINED;
+            inOutConfig.smallestScreenWidthDp = Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED;
+            inOutConfig.orientation = ORIENTATION_UNDEFINED;
+        }
+
+        // Override starts here.
+        final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
+        final int dw = rotated
+                ? displayContent.mBaseDisplayHeight
+                : displayContent.mBaseDisplayWidth;
+        final int dh = rotated
+                ? displayContent.mBaseDisplayWidth
+                : displayContent.mBaseDisplayHeight;
+        final Rect nonDecorFrame = displayContent.getDisplayPolicy()
+                .getDecorInsetsInfo(rotation, dw, dh).mOverrideNonDecorFrame;
+        // This should be the only place override the configuration for ActivityRecord. Override
+        // the value if not calculated yet.
+        Rect outAppBounds = inOutConfig.windowConfiguration.getAppBounds();
+        if (outAppBounds == null || outAppBounds.isEmpty()) {
+            inOutConfig.windowConfiguration.setAppBounds(parentBounds);
+            outAppBounds = inOutConfig.windowConfiguration.getAppBounds();
+            outAppBounds.intersect(nonDecorFrame);
+        }
+        float density = inOutConfig.densityDpi;
+        if (density == Configuration.DENSITY_DPI_UNDEFINED) {
+            density = newParentConfiguration.densityDpi;
+        }
+        density *= DisplayMetrics.DENSITY_DEFAULT_SCALE;
+        if (inOutConfig.screenWidthDp == Configuration.SCREEN_WIDTH_DP_UNDEFINED) {
+            inOutConfig.screenWidthDp = (int) (outAppBounds.width() / density + 0.5f);
+        }
+        if (inOutConfig.screenHeightDp == Configuration.SCREEN_HEIGHT_DP_UNDEFINED) {
+            inOutConfig.screenHeightDp = (int) (outAppBounds.height() / density + 0.5f);
+        }
+        if (inOutConfig.smallestScreenWidthDp == Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED
+                && parentWindowingMode == WINDOWING_MODE_FULLSCREEN) {
+            // For the case of PIP transition and multi-window environment, the
+            // smallestScreenWidthDp is handled already. Override only if the app is in
+            // fullscreen.
+            final DisplayInfo info = new DisplayInfo(displayContent.getDisplayInfo());
+            displayContent.computeSizeRanges(info, rotated, dw, dh,
+                    displayContent.getDisplayMetrics().density,
+                    inOutConfig, true /* overrideConfig */);
+        }
+
+        // It's possible that screen size will be considered in different orientation with or
+        // without considering the system bar insets. Override orientation as well.
+        if (inOutConfig.orientation == ORIENTATION_UNDEFINED) {
+            inOutConfig.orientation = (inOutConfig.screenWidthDp <= inOutConfig.screenHeightDp)
+                    ? ORIENTATION_PORTRAIT
+                    : ORIENTATION_LANDSCAPE;
+        }
+    }
+
     /** Returns {@code true} if requested override override configuration is not empty. */
     boolean hasRequestedOverrideConfiguration() {
         return mHasOverrideConfiguration;
diff --git a/services/core/java/com/android/server/wm/WindowProcessController.java b/services/core/java/com/android/server/wm/WindowProcessController.java
index 60d3e78..bbd9c0a 100644
--- a/services/core/java/com/android/server/wm/WindowProcessController.java
+++ b/services/core/java/com/android/server/wm/WindowProcessController.java
@@ -1655,6 +1655,22 @@
         // Otherwise if other places send wpc.getConfiguration() to client, the configuration may
         // be ignored due to the seq is older.
         resolvedConfig.seq = newParentConfig.seq;
+
+        if (mConfigActivityRecord != null) {
+            // Let the activity decide whether to apply the size override.
+            return;
+        }
+        final DisplayContent displayContent = mAtm.mWindowManager != null
+                ? mAtm.mWindowManager.getDefaultDisplayContentLocked()
+                : null;
+        applySizeOverrideIfNeeded(
+                displayContent,
+                mInfo,
+                newParentConfig,
+                resolvedConfig,
+                false /* optOutEdgeToEdge */,
+                false /* hasFixedRotationTransform */,
+                false /* hasCompatDisplayInsets */);
     }
 
     void dispatchConfiguration(@NonNull Configuration config) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowProcessControllerTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowProcessControllerTests.java
index e6648da..0cb22ad 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowProcessControllerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowProcessControllerTests.java
@@ -18,6 +18,7 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
+import static android.content.pm.ActivityInfo.INSETS_DECOUPLED_CONFIGURATION_ENFORCED;
 import static android.content.res.Configuration.GRAMMATICAL_GENDER_NOT_SPECIFIED;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
@@ -86,6 +87,7 @@
 
         ApplicationInfo info = mock(ApplicationInfo.class);
         info.packageName = "test.package.name";
+        doReturn(true).when(info).isChangeEnabled(INSETS_DECOUPLED_CONFIGURATION_ENFORCED);
         mWpc = new WindowProcessController(
                 mAtm, info, null, 0, -1, null, mMockListener);
         mWpc.setThread(mock(IApplicationThread.class));