Replace old with new synthetic gesture framework.

content/renderer/render_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/output_surface.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/child/npapi/webplugin.h"
 #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"
 #include "content/common/view_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/cursor_utils.h"
 #include "content/renderer/external_popup_menu.h"
 #include "content/renderer/gpu/compositor_output_surface.h"
 #include "content/renderer/gpu/compositor_software_output_device.h"
 #include "content/renderer/gpu/delegated_compositor_output_surface.h"
@@ skipping 552 matching lines @@
 }
 
 bool RenderWidget::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderWidget, message)
     IPC_MESSAGE_HANDLER(InputMsg_HandleInputEvent, OnHandleInputEvent)
     IPC_MESSAGE_HANDLER(InputMsg_CursorVisibilityChange,
                         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)
     IPC_MESSAGE_HANDLER(ViewMsg_ChangeResizeRect, OnChangeResizeRect)
     IPC_MESSAGE_HANDLER(ViewMsg_WasHidden, OnWasHidden)
     IPC_MESSAGE_HANDLER(ViewMsg_WasShown, OnWasShown)
     IPC_MESSAGE_HANDLER(ViewMsg_WasSwappedOut, OnWasSwappedOut)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateRect_ACK, OnUpdateRectAck)
     IPC_MESSAGE_HANDLER(ViewMsg_SwapBuffers_ACK, OnSwapBuffersComplete)
     IPC_MESSAGE_HANDLER(ViewMsg_SetInputMethodActive, OnSetInputMethodActive)
     IPC_MESSAGE_HANDLER(ViewMsg_ImeSetComposition, OnImeSetComposition)
     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)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ViewMsg_ShowImeIfNeeded, OnShowImeIfNeeded)
     IPC_MESSAGE_HANDLER(ViewMsg_ImeEventAck, OnImeEventAck)
 #endif
     IPC_MESSAGE_HANDLER(ViewMsg_Snapshot, OnSnapshot)
     IPC_MESSAGE_HANDLER(ViewMsg_SetBrowserRenderingStats,
                         OnSetBrowserRenderingStats)
@@ skipping 1371 matching lines @@
 
   // Ask the RenderWidgetHost to initiate close.  We could be called from deep
   // in Javascript.  If we ask the RendwerWidgetHost to close now, the window
   // could be closed before the JS finishes executing.  So instead, post a
   // message back to the message loop, which won't run until the JS is
   // complete, and then the Close message can be sent.
   base::MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(&RenderWidget::DoDeferredClose, this));
 }
 
+void RenderWidget::QueueSyntheticGesture(
+    scoped_ptr<SyntheticGestureParams> gesture_params,
+    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();
     compositor_.reset();
     webwidget_->close();
     webwidget_ = NULL;
   }
 }
 
 WebRect RenderWidget::windowRect() {
@@ skipping 236 matching lines @@
   set_next_paint_is_repaint_ack();
   if (is_accelerated_compositing_active_ && compositor_) {
     compositor_->SetNeedsRedrawRect(gfx::Rect(size_to_paint));
   } else {
     gfx::Rect repaint_rect(size_to_paint.width(), size_to_paint.height());
     didInvalidateRect(repaint_rect);
   }
 }
 
 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) {
   if (!webwidget_)
     return;
   webwidget_->setTextDirection(direction);
 }
 
 void RenderWidget::OnUpdateScreenRects(const gfx::Rect& view_screen_rect,
                                        const gfx::Rect& window_screen_rect) {
@@ skipping 451 matching lines @@
 
 void RenderWidget::OnSetBrowserRenderingStats(
     const BrowserRenderingStats& stats) {
   browser_rendering_stats_ = stats;
 }
 
 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;
 }
 
 bool RenderWidget::WillHandleKeyEvent(const blink::WebKeyboardEvent& event) {
   return false;
 }
 
 bool RenderWidget::WillHandleGestureEvent(
     const blink::WebGestureEvent& event) {
@@ skipping 63 matching lines @@
           GetURLForGraphicsContext3D(),
           gpu_channel_host.get(),
           use_echo_for_swap_ack,
           attributes,
           false /* bind generates resources */,
           limits));
   return context.Pass();
 }
 
 }  // namespace content