Switch all screenshot saving paths to ImageExporter

Step toward fully deprecating SaveImageInBackgroundTask. Also removes
shouldShowUiOnExternalDisplay boolean (unused).

Bug: 352308052
Flag: com.android.systemui.screenshot_save_image_exporter
Test: atest, manual test of toast pathway with flag on/off
Change-Id: I038508354c1aeb8a8096b4230108baf194f4381e
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index e2ecda3..61dc17d 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -591,6 +591,16 @@
 }
 
 flag {
+    name: "screenshot_save_image_exporter"
+    namespace: "systemui"
+    description: "Save all screenshots using ImageExporter"
+    bug: "352308052"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}
+
+flag {
    name: "run_fingerprint_detect_on_dismissible_keyguard"
    namespace: "systemui"
    description: "Run fingerprint detect instead of authenticate if the keyguard is dismissible."
diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotController.java b/packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotController.java
index 95ee2e0..0cbf8f9 100644
--- a/packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotController.java
+++ b/packages/SystemUI/src/com/android/systemui/screenshot/ScreenshotController.java
@@ -20,6 +20,7 @@
 import static android.view.WindowManager.LayoutParams.TYPE_SCREENSHOT;
 
 import static com.android.systemui.Flags.screenshotPrivateProfileAccessibilityAnnouncementFix;
+import static com.android.systemui.Flags.screenshotSaveImageExporter;
 import static com.android.systemui.screenshot.LogConfig.DEBUG_ANIM;
 import static com.android.systemui.screenshot.LogConfig.DEBUG_CALLBACK;
 import static com.android.systemui.screenshot.LogConfig.DEBUG_INPUT;
@@ -230,13 +231,6 @@
     private String mPackageName = "";
     private final BroadcastReceiver mCopyBroadcastReceiver;
 
-    // When false, the screenshot is taken without showing the ui. Note that this only applies to
-    // external displays, as on the default one the UI should **always** be shown.
-    // This is needed in case of screenshot during display mirroring, as adding another window to
-    // the external display makes mirroring stop.
-    // When there is a way to distinguish between displays that are mirroring or extending, this
-    // can be removed and we can directly show the ui only in the extended case.
-    private final Boolean mShowUIOnExternalDisplay;
     /** Tracks config changes that require re-creating UI */
     private final InterestingConfigChanges mConfigChanges = new InterestingConfigChanges(
             ActivityInfo.CONFIG_ORIENTATION
@@ -272,8 +266,7 @@
             MessageContainerController messageContainerController,
             Provider<ScreenshotSoundController> screenshotSoundController,
             AnnouncementResolver announcementResolver,
-            @Assisted Display display,
-            @Assisted boolean showUIOnExternalDisplay
+            @Assisted Display display
     ) {
         mScreenshotSmartActions = screenshotSmartActions;
         mNotificationsController = screenshotNotificationsControllerFactory.create(
@@ -347,7 +340,6 @@
         mBroadcastDispatcher.registerReceiver(mCopyBroadcastReceiver, new IntentFilter(
                         ClipboardOverlayController.COPY_OVERLAY_ACTION), null, null,
                 Context.RECEIVER_NOT_EXPORTED, ClipboardOverlayController.SELF_PERMISSION);
-        mShowUIOnExternalDisplay = showUIOnExternalDisplay;
     }
 
     @Override
@@ -381,7 +373,7 @@
             Log.w(TAG, "User setup not complete, displaying toast only");
             // User setup isn't complete, so we don't want to show any UI beyond a toast, as editing
             // and sharing shouldn't be exposed to the user.
-            saveScreenshotAndToast(screenshot.getUserHandle(), finisher);
+            saveScreenshotAndToast(screenshot, finisher);
             return;
         }
 
@@ -397,17 +389,15 @@
 
         prepareViewForNewScreenshot(screenshot, oldPackageName);
 
-        if (!shouldShowUi()) {
-            saveScreenshotInWorkerThread(
-                    screenshot.getUserHandle(), finisher, this::logSuccessOnActionsReady,
-                    (ignored) -> {
-                    });
-            return;
-        }
-
         final UUID requestId;
         requestId = mActionsController.setCurrentScreenshot(screenshot);
-        saveScreenshotInBackground(screenshot, requestId, finisher);
+        saveScreenshotInBackground(screenshot, requestId, finisher, result -> {
+            if (result.uri != null) {
+                ScreenshotSavedResult savedScreenshot = new ScreenshotSavedResult(
+                        result.uri, screenshot.getUserOrDefault(), result.timestamp);
+                mActionsController.setCompletedScreenshot(requestId, savedScreenshot);
+            }
+        });
 
         if (screenshot.getTaskId() >= 0) {
             mAssistContentRequester.requestAssistContent(
@@ -453,10 +443,6 @@
                 (v, insets) -> WindowInsets.CONSUMED);
     }
 
-    private boolean shouldShowUi() {
-        return mDisplay.getDisplayId() == Display.DEFAULT_DISPLAY || mShowUIOnExternalDisplay;
-    }
-
     void prepareViewForNewScreenshot(@NonNull ScreenshotData screenshot, String oldPackageName) {
         withWindowAttached(() -> {
             if (screenshotPrivateProfileAccessibilityAnnouncementFix()) {
@@ -724,29 +710,40 @@
      * Save the bitmap but don't show the normal screenshot UI.. just a toast (or notification on
      * failure).
      */
-    private void saveScreenshotAndToast(UserHandle owner, Consumer<Uri> finisher) {
+    private void saveScreenshotAndToast(ScreenshotData screenshot, Consumer<Uri> finisher) {
         // Play the shutter sound to notify that we've taken a screenshot
         playCameraSoundIfNeeded();
 
-        saveScreenshotInWorkerThread(
-                owner,
-                /* onComplete */ finisher,
-                /* actionsReadyListener */ imageData -> {
-                    if (DEBUG_CALLBACK) {
-                        Log.d(TAG, "returning URI to finisher (Consumer<URI>): " + imageData.uri);
-                    }
-                    finisher.accept(imageData.uri);
-                    if (imageData.uri == null) {
-                        mUiEventLogger.log(ScreenshotEvent.SCREENSHOT_NOT_SAVED, 0, mPackageName);
-                        mNotificationsController.notifyScreenshotError(
-                                R.string.screenshot_failed_to_save_text);
-                    } else {
-                        mUiEventLogger.log(ScreenshotEvent.SCREENSHOT_SAVED, 0, mPackageName);
-                        mScreenshotHandler.post(() -> Toast.makeText(mContext,
-                                R.string.screenshot_saved_title, Toast.LENGTH_SHORT).show());
-                    }
-                },
-                null);
+        if (screenshotSaveImageExporter()) {
+            saveScreenshotInBackground(screenshot, UUID.randomUUID(), finisher, result -> {
+                if (result.uri != null) {
+                    mScreenshotHandler.post(() -> Toast.makeText(mContext,
+                            R.string.screenshot_saved_title, Toast.LENGTH_SHORT).show());
+                }
+            });
+        } else {
+            saveScreenshotInWorkerThread(
+                    screenshot.getUserHandle(),
+                    /* onComplete */ finisher,
+                    /* actionsReadyListener */ imageData -> {
+                        if (DEBUG_CALLBACK) {
+                            Log.d(TAG,
+                                    "returning URI to finisher (Consumer<URI>): " + imageData.uri);
+                        }
+                        finisher.accept(imageData.uri);
+                        if (imageData.uri == null) {
+                            mUiEventLogger.log(ScreenshotEvent.SCREENSHOT_NOT_SAVED, 0,
+                                    mPackageName);
+                            mNotificationsController.notifyScreenshotError(
+                                    R.string.screenshot_failed_to_save_text);
+                        } else {
+                            mUiEventLogger.log(ScreenshotEvent.SCREENSHOT_SAVED, 0, mPackageName);
+                            mScreenshotHandler.post(() -> Toast.makeText(mContext,
+                                    R.string.screenshot_saved_title, Toast.LENGTH_SHORT).show());
+                        }
+                    },
+                    null);
+        }
     }
 
     /**
@@ -819,8 +816,8 @@
         mScreenshotHandler.cancelTimeout();
     }
 
-    private void saveScreenshotInBackground(
-            ScreenshotData screenshot, UUID requestId, Consumer<Uri> finisher) {
+    private void saveScreenshotInBackground(ScreenshotData screenshot, UUID requestId,
+            Consumer<Uri> finisher, Consumer<ImageExporter.Result> onResult) {
         ListenableFuture<ImageExporter.Result> future = mImageExporter.export(mBgExecutor,
                 requestId, screenshot.getBitmap(), screenshot.getUserOrDefault(),
                 mDisplay.getDisplayId());
@@ -829,10 +826,7 @@
                 ImageExporter.Result result = future.get();
                 Log.d(TAG, "Saved screenshot: " + result);
                 logScreenshotResultStatus(result.uri, screenshot.getUserHandle());
-                if (result.uri != null) {
-                    mActionsController.setCompletedScreenshot(requestId, new ScreenshotSavedResult(
-                            result.uri, screenshot.getUserOrDefault(), result.timestamp));
-                }
+                onResult.accept(result);
                 if (DEBUG_CALLBACK) {
                     Log.d(TAG, "finished background processing, Calling (Consumer<Uri>) "
                             + "finisher.accept(\"" + result.uri + "\"");
@@ -1028,9 +1022,7 @@
          * Creates an instance of the controller for that specific display.
          *
          * @param display                 display to capture
-         * @param showUIOnExternalDisplay Whether the UI should be shown if this is an external
-         *                                display.
          */
-        ScreenshotController create(Display display, boolean showUIOnExternalDisplay);
+        ScreenshotController create(Display display);
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotExecutor.kt b/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotExecutor.kt
index 2699657..07f6e85 100644
--- a/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotExecutor.kt
+++ b/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotExecutor.kt
@@ -219,7 +219,7 @@
     }
 
     private fun getScreenshotController(display: Display): ScreenshotController {
-        val controller = screenshotController ?: screenshotControllerFactory.create(display, false)
+        val controller = screenshotController ?: screenshotControllerFactory.create(display)
         screenshotController = controller
         return controller
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/screenshot/TakeScreenshotExecutorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/screenshot/TakeScreenshotExecutorTest.kt
index 0b81b5e..8d3a29a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/screenshot/TakeScreenshotExecutorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/screenshot/TakeScreenshotExecutorTest.kt
@@ -69,7 +69,7 @@
 
     @Before
     fun setUp() {
-        whenever(controllerFactory.create(any(), any())).thenReturn(controller)
+        whenever(controllerFactory.create(any())).thenReturn(controller)
         whenever(notificationControllerFactory.create(eq(0))).thenReturn(notificationsController0)
         whenever(notificationControllerFactory.create(eq(1))).thenReturn(notificationsController1)
     }
@@ -83,8 +83,8 @@
             val onSaved = { _: Uri? -> }
             screenshotExecutor.executeScreenshots(createScreenshotRequest(), onSaved, callback)
 
-            verify(controllerFactory).create(eq(internalDisplay), any())
-            verify(controllerFactory, never()).create(eq(externalDisplay), any())
+            verify(controllerFactory).create(eq(internalDisplay))
+            verify(controllerFactory, never()).create(eq(externalDisplay))
 
             val capturer = ArgumentCaptor<ScreenshotData>()
 
@@ -118,8 +118,8 @@
                 callback
             )
 
-            verify(controllerFactory).create(eq(internalDisplay), any())
-            verify(controllerFactory, never()).create(eq(externalDisplay), any())
+            verify(controllerFactory).create(eq(internalDisplay))
+            verify(controllerFactory, never()).create(eq(externalDisplay))
 
             val capturer = ArgumentCaptor<ScreenshotData>()
 
@@ -151,7 +151,7 @@
     @Test
     fun executeScreenshots_allowedTypes_allCaptured() =
         testScope.runTest {
-            whenever(controllerFactory.create(any(), any())).thenReturn(controller)
+            whenever(controllerFactory.create(any())).thenReturn(controller)
 
             setDisplays(
                 display(TYPE_INTERNAL, id = 0),