Replace old with new synthetic gesture framework.

content/browser/renderer_host/render_widget_host_impl.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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 13 matching lines @@
 #include "cc/output/compositor_frame_ack.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/renderer_host/backing_store.h"
 #include "content/browser/renderer_host/backing_store_manager.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/input/immediate_input_router.h"
+#include "content/browser/renderer_host/input/synthetic_gesture.h"
+#include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
+#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/common/accessibility_messages.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 265 matching lines @@
   return rwh->AsRenderWidgetHostImpl();
 }
 
 void RenderWidgetHostImpl::SetView(RenderWidgetHostView* view) {
   view_ = RenderWidgetHostViewPort::FromRWHV(view);
 
   if (!view_) {
     GpuSurfaceTracker::Get()->SetSurfaceHandle(
         surface_id_, gfx::GLSurfaceHandle());
   }
+
+  synthetic_gesture_controller_.reset();
 }
 
 RenderProcessHost* RenderWidgetHostImpl::GetProcess() const {
   return process_;
 }
 
 int RenderWidgetHostImpl::GetRoutingID() const {
   return routing_id_;
 }
 
@@ skipping 48 matching lines @@
 
   last_view_screen_rect_ = view_->GetViewBounds();
   last_window_screen_rect_ = view_->GetBoundsInRootWindow();
   Send(new ViewMsg_UpdateScreenRects(
       GetRoutingID(), last_view_screen_rect_, last_window_screen_rect_));
   if (delegate_)
     delegate_->DidSendScreenRects(this);
   waiting_for_screen_rects_ack_ = true;
 }
 
-base::TimeDelta
-    RenderWidgetHostImpl::GetSyntheticGestureMessageInterval() const {
-  return synthetic_gesture_controller_.GetSyntheticGestureMessageInterval();
-}
-
 void RenderWidgetHostImpl::SetOverscrollControllerEnabled(bool enabled) {
   if (!enabled)
     overscroll_controller_.reset();
   else if (!overscroll_controller_)
     overscroll_controller_.reset(new OverscrollController());
 }
 
 void RenderWidgetHostImpl::SuppressNextCharEvents() {
   suppress_next_char_events_ = true;
 }
 
 void RenderWidgetHostImpl::FlushInput() {
   input_router_->Flush();
+  if (synthetic_gesture_controller_)
+    synthetic_gesture_controller_->Flush(base::TimeTicks::Now());
 }
 
 void RenderWidgetHostImpl::SetNeedsFlush() {
   if (view_)
     view_->OnSetNeedsFlushInput();
 }
 
 void RenderWidgetHostImpl::Init() {
   DCHECK(process_->HasConnection());
 
@@ skipping 26 matching lines @@
 }
 
 bool RenderWidgetHostImpl::IsRenderView() const {
   return false;
 }
 
 bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
   bool handled = true;
   bool msg_is_ok = true;
   IPC_BEGIN_MESSAGE_MAP_EX(RenderWidgetHostImpl, msg, msg_is_ok)
+    IPC_MESSAGE_HANDLER(InputHostMsg_QueueSyntheticGesture,
+                        OnQueueSyntheticGesture)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RenderViewReady, OnRenderViewReady)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RenderProcessGone, OnRenderProcessGone)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
                         OnUpdateScreenRectsAck)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PaintAtSize_ACK, OnPaintAtSizeAck)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CompositorSurfaceBuffersSwapped,
                         OnCompositorSurfaceBuffersSwapped)
 #endif
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 msg_is_ok = OnSwapCompositorFrame(msg))
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidOverscroll, OnOverscrolled)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateIsDelayed, OnUpdateIsDelayed)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_BeginSmoothScroll, OnBeginSmoothScroll)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_BeginPinch, OnBeginPinch)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnBlur)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputTypeChanged,
                         OnTextInputTypeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
                         OnImeCancelComposition)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidActivateAcceleratedCompositing,
                         OnDidActivateAcceleratedCompositing)
     IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnLockMouse)
@@ skipping 793 matching lines @@
   in_flight_event_count_ = 0;
 
   if (view_) {
     GpuSurfaceTracker::Get()->SetSurfaceHandle(surface_id_,
                                                gfx::GLSurfaceHandle());
     view_->RenderProcessGone(status, exit_code);
     view_ = NULL;  // The View should be deleted by RenderProcessGone.
   }
 
   BackingStoreManager::RemoveBackingStore(this);
+
+  synthetic_gesture_controller_.reset();
 }
 
 void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) {
   text_direction_updated_ = true;
   text_direction_ = direction;
 }
 
 void RenderWidgetHostImpl::CancelUpdateTextDirection() {
   if (text_direction_updated_)
     text_direction_canceled_ = true;
@@ skipping 412 matching lines @@
   // DidUpdateBackingStore() method.  On platforms which have asynchronous
   // painting, such as Linux, this is the sum of MPArch.RWH_OnMsgUpdateRect,
   // MPArch.RWH_DidUpdateBackingStore, and the time spent asynchronously
   // waiting for the paint to complete.
   //
   // On other platforms, this will be equivalent to MPArch.RWH_OnMsgUpdateRect.
   delta = now - paint_start;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_TotalPaintTime", delta);
 }
 
-void RenderWidgetHostImpl::OnBeginSmoothScroll(
-    const ViewHostMsg_BeginSmoothScroll_Params& params) {
-  if (!view_)
-    return;
-  synthetic_gesture_controller_.BeginSmoothScroll(view_, params);
-}
+void RenderWidgetHostImpl::OnQueueSyntheticGesture(
+    const SyntheticGesturePacket& gesture_packet) {
+  if (!synthetic_gesture_controller_) {
+    if (!view_)
+      return;
+    synthetic_gesture_controller_.reset(
+        new SyntheticGestureController(
+            view_->CreateSyntheticGestureTarget().Pass()));
+  }
 
-void RenderWidgetHostImpl::OnBeginPinch(
-    const ViewHostMsg_BeginPinch_Params& params) {
-  if (!view_)
-    return;
-  synthetic_gesture_controller_.BeginPinch(view_, params);
+  synthetic_gesture_controller_->QueueSyntheticGesture(
+      SyntheticGesture::Create(*gesture_packet.gesture_params()));
 }
 
 void RenderWidgetHostImpl::OnFocus() {
   // Only RenderViewHost can deal with that message.
   RecordAction(UserMetricsAction("BadMessageTerminate_RWH4"));
   GetProcess()->ReceivedBadMessage();
 }
 
 void RenderWidgetHostImpl::OnBlur() {
   // Only RenderViewHost can deal with that message.
@@ skipping 740 matching lines @@
         continue;
       }
       RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
       if (rwhi_set.insert(rwhi).second)
         rwhi->FrameSwapped(latency_info);
     }
   }
 }
 
 }  // namespace content