Merge "Changing the return type of takeScreenshot() (1/n)"

core/java/android/app/IUiAutomationConnection.aidl

@@ -39,6 +39,7 @@ interface IUiAutomationConnection {
     boolean injectInputEvent(in InputEvent event, boolean sync);
     void syncInputTransactions();
     boolean setRotation(int rotation);
+    Bitmap takeScreenshot(in Rect crop, int rotation);
     boolean clearWindowContentFrameStats(int windowId);
     WindowContentFrameStats getWindowContentFrameStats(int windowId);
     void clearWindowAnimationFrameStats();

core/java/android/app/UiAutomation.java

@@ -27,7 +27,10 @@ import android.annotation.Nullable;
 import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.graphics.Bitmap;
+import android.graphics.Point;
+import android.graphics.Rect;
 import android.graphics.Region;
+import android.hardware.display.DisplayManagerGlobal;
 import android.os.Build;
 import android.os.Handler;
 import android.os.HandlerThread;
@@ -828,20 +831,39 @@ public final class UiAutomation {
     }
 
     /**
-     * Takes a screenshot of the default display and returns it by {@link Bitmap.Config#HARDWARE}
-     * format.
+     * Takes a screenshot.
      *
      * @return The screenshot bitmap on success, null otherwise.
      */
     public Bitmap takeScreenshot() {
-        final int connectionId;
         synchronized (mLock) {
             throwIfNotConnectedLocked();
-            connectionId = mConnectionId;
         }
-        // Calling out without a lock held.
-        return AccessibilityInteractionClient.getInstance()
-                .takeScreenshot(connectionId, Display.DEFAULT_DISPLAY);
+        Display display = DisplayManagerGlobal.getInstance()
+                .getRealDisplay(Display.DEFAULT_DISPLAY);
+        Point displaySize = new Point();
+        display.getRealSize(displaySize);
+
+        int rotation = display.getRotation();
+
+        // Take the screenshot
+        Bitmap screenShot = null;
+        try {
+            // Calling out without a lock held.
+            screenShot = mUiAutomationConnection.takeScreenshot(
+                    new Rect(0, 0, displaySize.x, displaySize.y), rotation);
+            if (screenShot == null) {
+                return null;
+            }
+        } catch (RemoteException re) {
+            Log.e(LOG_TAG, "Error while taking screnshot!", re);
+            return null;
+        }
+
+        // Optimization
+        screenShot.setHasAlpha(false);
+
+        return screenShot;
     }
 
     /**

core/java/android/app/UiAutomationConnection.java

@@ -21,6 +21,8 @@ import android.accessibilityservice.IAccessibilityServiceClient;
 import android.annotation.Nullable;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
 import android.hardware.input.InputManager;
 import android.os.Binder;
 import android.os.IBinder;
@@ -177,6 +179,23 @@ public final class UiAutomationConnection extends IUiAutomationConnection.Stub {
         return false;
     }
 
+    @Override
+    public Bitmap takeScreenshot(Rect crop, int rotation) {
+        synchronized (mLock) {
+            throwIfCalledByNotTrustedUidLocked();
+            throwIfShutdownLocked();
+            throwIfNotConnectedLocked();
+        }
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            int width = crop.width();
+            int height = crop.height();
+            return SurfaceControl.screenshot(crop, width, height, rotation);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
     @Override
     public boolean clearWindowContentFrameStats(int windowId) throws RemoteException {
         synchronized (mLock) {
@@ -430,8 +449,7 @@ public final class UiAutomationConnection extends IUiAutomationConnection.Stub {
         info.setCapabilities(AccessibilityServiceInfo.CAPABILITY_CAN_RETRIEVE_WINDOW_CONTENT
                 | AccessibilityServiceInfo.CAPABILITY_CAN_REQUEST_TOUCH_EXPLORATION
                 | AccessibilityServiceInfo.CAPABILITY_CAN_REQUEST_ENHANCED_WEB_ACCESSIBILITY
-                | AccessibilityServiceInfo.CAPABILITY_CAN_REQUEST_FILTER_KEY_EVENTS
-                | AccessibilityServiceInfo.CAPABILITY_CAN_TAKE_SCREENSHOT);
+                | AccessibilityServiceInfo.CAPABILITY_CAN_REQUEST_FILTER_KEY_EVENTS);
         try {
             // Calling out with a lock held is fine since if the system
             // process is gone the client calling in will be killed.

core/java/android/view/accessibility/AccessibilityInteractionClient.java

@@ -20,7 +20,6 @@ import android.accessibilityservice.IAccessibilityServiceConnection;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.compat.annotation.UnsupportedAppUsage;
-import android.graphics.Bitmap;
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
@@ -828,31 +827,6 @@ public final class AccessibilityInteractionClient
         }
     }
 
-    /**
-     * Takes the screenshot of the specified display and returns it by bitmap format.
-     *
-     * @param connectionId The id of a connection for interacting with the system.
-     * @param displayId The logic display id, use {@link Display#DEFAULT_DISPLAY} for
-     *                  default display.
-     * @return The screenshot bitmap on success, null otherwise.
-     */
-    public Bitmap takeScreenshot(int connectionId, int displayId) {
-        Bitmap screenShot = null;
-        try {
-            IAccessibilityServiceConnection connection = getConnection(connectionId);
-            if (connection != null) {
-                screenShot = connection.takeScreenshot(displayId);
-            } else {
-                if (DEBUG) {
-                    Log.w(LOG_TAG, "No connection for connection id: " + connectionId);
-                }
-            }
-        } catch (RemoteException re) {
-            Log.w(LOG_TAG, "Error while calling remote takeScreenshot", re);
-        }
-        return screenShot;
-    }
-
     /**
      * Clears the result state.
      */