Bug 1077559 - Rename APZCCallbackHandler to AndroidContentController. r=botond

widget/android/AndroidContentController.cpp

@@ -0,0 +1,57 @@
+/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "AndroidContentController.h"
+#include "mozilla/layers/APZCTreeManager.h"
+#include "base/message_loop.h"
+#include "nsWindow.h"
+#include "AndroidBridge.h"
+
+using mozilla::layers::APZCTreeManager;
+
+namespace mozilla {
+namespace widget {
+namespace android {
+
+NativePanZoomController::GlobalRef AndroidContentController::sNativePanZoomController = nullptr;
+
+NativePanZoomController::LocalRef
+AndroidContentController::SetNativePanZoomController(NativePanZoomController::Param obj)
+{
+    NativePanZoomController::LocalRef old = sNativePanZoomController;
+    sNativePanZoomController = obj;
+    return old;
+}
+
+void
+AndroidContentController::NotifyDefaultPrevented(uint64_t aInputBlockId,
+                                                 bool aDefaultPrevented)
+{
+    if (!AndroidBridge::IsJavaUiThread()) {
+        // The notification must reach the APZ on the Java UI thread (aka the
+        // APZ "controller" thread) but we get it from the Gecko thread, so we
+        // have to throw it onto the other thread.
+        AndroidBridge::Bridge()->PostTaskToUiThread(NewRunnableFunction(
+            &AndroidContentController::NotifyDefaultPrevented,
+            aInputBlockId, aDefaultPrevented), 0);
+        return;
+    }
+
+    MOZ_ASSERT(AndroidBridge::IsJavaUiThread());
+    APZCTreeManager* controller = nsWindow::GetAPZCTreeManager();
+    if (controller) {
+        controller->ContentReceivedInputBlock(aInputBlockId, aDefaultPrevented);
+    }
+}
+
+void
+AndroidContentController::PostDelayedTask(Task* aTask, int aDelayMs)
+{
+    AndroidBridge::Bridge()->PostTaskToUiThread(aTask, aDelayMs);
+}
+
+} // namespace android
+} // namespace widget
+} // namespace mozilla