Merge "Obtain correct screenshot based on device orientation" into rvc-dev

core/java/android/hardware/display/DisplayManagerInternal.java

@@ -65,21 +65,23 @@ public abstract class DisplayManagerInternal {
     public abstract boolean isProximitySensorAvailable();
 
     /**
-     * Take a screenshot of the specified display and return a buffer.
+     * Screenshot for internal system-only use such as rotation, etc.  This method includes
+     * secure layers and the result should never be exposed to non-system applications.
+     * This method does not apply any rotation and provides the output in natural orientation.
      *
      * @param displayId The display id to take the screenshot of.
      * @return The buffer or null if we have failed.
      */
-    public abstract SurfaceControl.ScreenshotGraphicBuffer screenshot(int displayId);
+    public abstract SurfaceControl.ScreenshotGraphicBuffer systemScreenshot(int displayId);
 
     /**
-     * Take a screenshot without secure layer of the specified display and return a buffer.
+     * General screenshot functionality that excludes secure layers and applies appropriate
+     * rotation that the device is currently in.
      *
      * @param displayId The display id to take the screenshot of.
      * @return The buffer or null if we have failed.
      */
-    public abstract SurfaceControl.ScreenshotGraphicBuffer screenshotWithoutSecureLayer(
-            int displayId);
+    public abstract SurfaceControl.ScreenshotGraphicBuffer userScreenshot(int displayId);
 
     /**
      * Returns information about the specified logical display.

services/accessibility/java/com/android/server/accessibility/AbstractAccessibilityServiceConnection.java

@@ -1023,8 +1023,7 @@ abstract class AbstractAccessibilityServiceConnection extends IAccessibilityServ
         try {
             mMainHandler.post(PooledLambda.obtainRunnable((nonArg) -> {
                 final ScreenshotGraphicBuffer screenshotBuffer = LocalServices
-                        .getService(DisplayManagerInternal.class)
-                        .screenshotWithoutSecureLayer(displayId);
+                        .getService(DisplayManagerInternal.class).userScreenshot(displayId);
                 if (screenshotBuffer != null) {
                     sendScreenshotSuccess(screenshotBuffer, callback);
                 } else {

services/core/java/com/android/server/display/DisplayManagerService.java

@@ -28,6 +28,8 @@ import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_SHOUL
 import static android.hardware.display.DisplayViewport.VIEWPORT_EXTERNAL;
 import static android.hardware.display.DisplayViewport.VIEWPORT_INTERNAL;
 import static android.hardware.display.DisplayViewport.VIEWPORT_VIRTUAL;
+import static android.view.Surface.ROTATION_270;
+import static android.view.Surface.ROTATION_90;
 
 import android.Manifest;
 import android.annotation.NonNull;
@@ -1363,8 +1365,7 @@ public final class DisplayManagerService extends SystemService {
         return null;
     }
 
-    private SurfaceControl.ScreenshotGraphicBuffer screenshotInternal(int displayId,
-            boolean captureSecureLayer) {
+    private SurfaceControl.ScreenshotGraphicBuffer systemScreenshotInternal(int displayId) {
         synchronized (mSyncRoot) {
             final IBinder token = getDisplayToken(displayId);
             if (token == null) {
@@ -1376,15 +1377,42 @@ public final class DisplayManagerService extends SystemService {
             }
 
             final DisplayInfo displayInfo = logicalDisplay.getDisplayInfoLocked();
-            if (captureSecureLayer) {
-                return SurfaceControl.screenshotToBufferWithSecureLayersUnsafe(token, new Rect(),
-                        displayInfo.getNaturalWidth(), displayInfo.getNaturalHeight(),
-                        false /* useIdentityTransform */, 0 /* rotation */);
-            } else {
-                return SurfaceControl.screenshotToBuffer(token, new Rect(),
-                        displayInfo.getNaturalWidth(), displayInfo.getNaturalHeight(),
-                        false /* useIdentityTransform */, 0 /* rotation */);
+            return SurfaceControl.screenshotToBufferWithSecureLayersUnsafe(token, new Rect(),
+                    displayInfo.getNaturalWidth(), displayInfo.getNaturalHeight(),
+                    false /* useIdentityTransform */, 0 /* rotation */);
+        }
+    }
+
+    private SurfaceControl.ScreenshotGraphicBuffer userScreenshotInternal(int displayId) {
+        synchronized (mSyncRoot) {
+            final IBinder token = getDisplayToken(displayId);
+            if (token == null) {
+                return null;
             }
+            final LogicalDisplay logicalDisplay = mLogicalDisplays.get(displayId);
+            if (logicalDisplay == null) {
+                return null;
+            }
+
+            final DisplayInfo displayInfo = logicalDisplay.getDisplayInfoLocked();
+            // Takes screenshot based on current device orientation.
+            final Display display = DisplayManagerGlobal.getInstance()
+                    .getRealDisplay(displayId);
+            if (display == null) {
+                return null;
+            }
+            final Point displaySize = new Point();
+            display.getRealSize(displaySize);
+
+            int rotation = displayInfo.rotation;
+            // TODO (b/153382624) : This workaround solution would be removed after
+            // SurfaceFlinger fixes the inconsistency with rotation direction issue.
+            if (rotation == ROTATION_90 || rotation == ROTATION_270) {
+                rotation = (rotation == ROTATION_90) ? ROTATION_270 : ROTATION_90;
+            }
+
+            return SurfaceControl.screenshotToBuffer(token, new Rect(), displaySize.x,
+                    displaySize.y, false /* useIdentityTransform */, rotation /* rotation */);
         }
     }
 
@@ -2502,13 +2530,13 @@ public final class DisplayManagerService extends SystemService {
         }
 
         @Override
-        public SurfaceControl.ScreenshotGraphicBuffer screenshot(int displayId) {
-            return screenshotInternal(displayId, true);
+        public SurfaceControl.ScreenshotGraphicBuffer systemScreenshot(int displayId) {
+            return systemScreenshotInternal(displayId);
         }
 
         @Override
-        public SurfaceControl.ScreenshotGraphicBuffer screenshotWithoutSecureLayer(int displayId) {
-            return screenshotInternal(displayId, false);
+        public SurfaceControl.ScreenshotGraphicBuffer userScreenshot(int displayId) {
+            return userScreenshotInternal(displayId);
         }
 
         @Override

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

@@ -212,7 +212,7 @@ class ScreenRotationAnimation {
             final Surface surface = mService.mSurfaceFactory.get();
             surface.copyFrom(mScreenshotLayer);
             SurfaceControl.ScreenshotGraphicBuffer gb =
-                    mService.mDisplayManagerInternal.screenshot(displayId);
+                    mService.mDisplayManagerInternal.systemScreenshot(displayId);
             if (gb != null) {
                 Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER,
                         "ScreenRotationAnimation#getMedianBorderLuma");