Replace old with new synthetic gesture framework.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 7cd7c33f25e6cdde639dd4d063878ba529acddc5..df344d32090f2d474f6498637c4edadafe696dc8 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -23,6 +23,7 @@
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
+#include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/input/web_input_event_traits.h"
 #include "content/common/input_messages.h"
 #include "content/common/swapped_out_messages.h"
@@ -595,6 +596,8 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
                         OnCursorVisibilityChange)
     IPC_MESSAGE_HANDLER(InputMsg_MouseCaptureLost, OnMouseCaptureLost)
     IPC_MESSAGE_HANDLER(InputMsg_SetFocus, OnSetFocus)
+    IPC_MESSAGE_HANDLER(InputMsg_SyntheticGestureCompleted,
+                        OnSyntheticGestureCompleted)
     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewMsg_CreatingNew_ACK, OnCreatingNewAck)
     IPC_MESSAGE_HANDLER(ViewMsg_Resize, OnResize)
@@ -609,8 +612,6 @@ bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_ImeConfirmComposition, OnImeConfirmComposition)
     IPC_MESSAGE_HANDLER(ViewMsg_PaintAtSize, OnPaintAtSize)
     IPC_MESSAGE_HANDLER(ViewMsg_Repaint, OnRepaint)
-    IPC_MESSAGE_HANDLER(ViewMsg_SyntheticGestureCompleted,
-                        OnSyntheticGestureCompleted)
     IPC_MESSAGE_HANDLER(ViewMsg_SetTextDirection, OnSetTextDirection)
     IPC_MESSAGE_HANDLER(ViewMsg_Move_ACK, OnRequestMoveAck)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateScreenRects, OnUpdateScreenRects)
@@ -2002,6 +2003,19 @@ void RenderWidget::closeWidgetSoon() {
       FROM_HERE, base::Bind(&RenderWidget::DoDeferredClose, this));
 }
 
+void RenderWidget::QueueSyntheticGesture(
+    scoped_ptr<SyntheticGestureParams> gesture_params,

[bulach, 2013/11/20 12:06:17]

does this need to be a ptr? I think such params struct are normally just passed
by value..

[Dominik Grewe, 2013/11/20 13:20:36]

SyntheticGestureParams is just an abstract type. We want to be able to pass
arbitrary subtypes, that's why we're using a pointer here.

+    const SyntheticGestureCompletionCallback& callback) {
+  DCHECK(!callback.is_null());
+
+  pending_synthetic_gesture_callbacks_.push(callback);
+
+  SyntheticGesturePacket gesture_packet;
+  gesture_packet.set_gesture_params(gesture_params.Pass());
+
+  Send(new InputHostMsg_QueueSyntheticGesture(routing_id_, gesture_packet));
+}
+
 void RenderWidget::Close() {
   if (webwidget_) {
     webwidget_->willCloseLayerTreeView();
@@ -2258,7 +2272,10 @@ void RenderWidget::OnRepaint(gfx::Size size_to_paint) {
 }
 
 void RenderWidget::OnSyntheticGestureCompleted() {
-  pending_synthetic_gesture_.Run();
+  DCHECK(!pending_synthetic_gesture_callbacks_.empty());
+
+  pending_synthetic_gesture_callbacks_.front().Run();
+  pending_synthetic_gesture_callbacks_.pop();
 }
 
 void RenderWidget::OnSetTextDirection(WebTextDirection direction) {
@@ -2730,42 +2747,6 @@ void RenderWidget::GetBrowserRenderingStats(BrowserRenderingStats* stats) {
   *stats = browser_rendering_stats_;
 }
 
-void RenderWidget::BeginSmoothScroll(
-    bool down,
-    const SyntheticGestureCompletionCallback& callback,
-    int pixels_to_scroll,
-    int mouse_event_x,
-    int mouse_event_y) {
-  DCHECK(!callback.is_null());
-
-  ViewHostMsg_BeginSmoothScroll_Params params;
-  params.scroll_down = down;
-  params.pixels_to_scroll = pixels_to_scroll;
-  params.mouse_event_x = mouse_event_x;
-  params.mouse_event_y = mouse_event_y;
-
-  Send(new ViewHostMsg_BeginSmoothScroll(routing_id_, params));
-  pending_synthetic_gesture_ = callback;
-}
-
-void RenderWidget::BeginPinch(
-    bool zoom_in,
-    int pixels_to_move,
-    int anchor_x,
-    int anchor_y,
-    const SyntheticGestureCompletionCallback& callback) {
-  DCHECK(!callback.is_null());
-
-  ViewHostMsg_BeginPinch_Params params;
-  params.zoom_in = zoom_in;
-  params.pixels_to_move = pixels_to_move;
-  params.anchor_x = anchor_x;
-  params.anchor_y = anchor_y;
-
-  Send(new ViewHostMsg_BeginPinch(routing_id_, params));
-  pending_synthetic_gesture_ = callback;
-}
-
 bool RenderWidget::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
   return false;
 }