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 f2a03c17676a1673e91b8b3bd2dc76002fb22d1c..bcc8b583c5a9f427f552f0dd7bc9b3b79ea2be87 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -32,13 +32,17 @@
 #include "content/browser/renderer_host/dip_util.h"
 #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/input/touch_scroll_smooth_gesture.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"
@@ -47,6 +51,9 @@
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size_conversions.h"
 
+using WebKit::WebInputEvent;
+using WebKit::WebTouchEvent;
+
 namespace content {
 
 namespace {
@@ -608,14 +615,12 @@ void RenderWidgetHostViewAndroid::ShowDisambiguationPopup(
   content_view_core_->ShowDisambiguationPopup(target_rect, zoomed_bitmap);
 }
 
+// FIXME: move this to RenderWidgetHostBase

[Dominik Grewe, 2013/10/10 14:01:45]

This method will actually be removed completely once the new implementation of
synthetic gestures is complete.

[kouhei (in TOK), 2013/10/15 02:10:02]

Ack. I'll remove this in commit CL.

 SyntheticGesture* RenderWidgetHostViewAndroid::CreateSmoothScrollGesture(
     bool scroll_down, int pixels_to_scroll, int mouse_event_x,
     int mouse_event_y) {
-  return new GenericTouchGestureAndroid(
-      GetRenderWidgetHost(),
-      content_view_core_->CreateOnePointTouchGesture(
-          mouse_event_x, mouse_event_y,
-          0, scroll_down ? -pixels_to_scroll : pixels_to_scroll));
+  return new TouchSmoothScrollGesture(
+      scroll_down, pixels_to_scroll, mouse_event_x, mouse_event_y);
 }
 
 SyntheticGesture* RenderWidgetHostViewAndroid::CreatePinchGesture(
@@ -930,6 +935,21 @@ 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?)
+}
+
 void RenderWidgetHostViewAndroid::SetHasHorizontalScrollbar(
     bool has_horizontal_scrollbar) {
   // intentionally empty, like RenderWidgetHostViewViews