SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 2e5c0851dabd45615ea7a2a2fcff81d6924f50bf..7f015bfa5b9eb9d563d98a1550765231c152ed0e 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -34,12 +34,15 @@
 #include "content/browser/renderer_host/generic_touch_gesture_android.h"
 #include "content/browser/renderer_host/image_transport_factory_android.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/synthetic_touch_event_android.h"
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/gpu_messages.h"
+#include "content/common/input/input_event.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "skia/ext/image_operations.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "ui/gfx/android/device_display_info.h"
@@ -48,6 +51,9 @@
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size_conversions.h"
 
+using WebKit::WebInputEvent;
+using WebKit::WebTouchEvent;
+
 namespace content {
 
 namespace {
@@ -1001,6 +1007,21 @@ void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent(
     content_view_core_->ConfirmTouchEvent(ack_result);
 }
 
+void RenderWidgetHostViewAndroid::QueueInputEventToPlatform(
+    const InputEvent& event) {
+  if (!synthetic_touch_event_)
+    synthetic_touch_event_.reset(
+        new SyntheticTouchEventAndroid(content_view_core_));
+
+  if (WebInputEvent::isTouchEventType(event.web_event->type)) {
+    const WebTouchEvent* web_touch =
+        static_cast<const WebTouchEvent*>(event.web_event.get());
+
+    synthetic_touch_event_->InjectWebTouchEvent(web_touch);
+  } else
+    NOTREACHED(); // FIXME: implement other types (MouseWheel?)

[Dominik Grewe, 2013/10/21 17:26:44]

For Android it should be fine to only have touch support for now I guess.

[kouhei (in TOK), 2013/10/25 15:10:18]

Got it.

+}
+
 void RenderWidgetHostViewAndroid::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
   // intentionally empty, like RenderWidgetHostViewViews