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..e3b62ae1b1a67b9245a0fdb85ae018752bdb98e8 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_)

[Dominik Grewe, 2013/10/15 09:10:55]

Does this work with scoped_ptr<> or should it be
if (!synthetic_touch_event_.get()) ?

Also, remove space between '!' and 'synthetic_touch_event_'.

[kouhei (in TOK), 2013/10/16 04:45:38]

This should be OK.
https://code.google.com/p/chromium/codesearch#chromium/src/base/memory/scoped...
Done.

+    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