Route touchmove existence notifications to the TouchEventQueue

content/browser/renderer_host/input/input_router_impl.cc

 // Copyright 2013 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/input/input_router_impl.h"
 
 #include <math.h>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/browser/renderer_host/input/gesture_event_queue.h"
 #include "content/browser/renderer_host/input/input_ack_handler.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
 #include "content/browser/renderer_host/input/touch_event_queue.h"
 #include "content/browser/renderer_host/input/touchpad_tap_suppression_controller.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/edit_command.h"
 #include "content/common/input/input_event_ack_state.h"
 #include "content/common/input/touch_action.h"
 #include "content/common/input/web_touch_event_traits.h"
 #include "content/common/input_messages.h"
-#include "content/common/view_messages.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
 #include "ipc/ipc_sender.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using base::Time;
 using base::TimeDelta;
@@ skipping 228 matching lines @@
 
 bool InputRouterImpl::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(InputRouterImpl, message)
     IPC_MESSAGE_HANDLER(InputHostMsg_HandleInputEvent_ACK, OnInputEventAck)
     IPC_MESSAGE_HANDLER(InputHostMsg_DidOverscroll, OnDidOverscroll)
     IPC_MESSAGE_HANDLER(InputHostMsg_MoveCaret_ACK, OnMsgMoveCaretAck)
     IPC_MESSAGE_HANDLER(InputHostMsg_SelectRange_ACK, OnSelectMessageAck)
     IPC_MESSAGE_HANDLER(InputHostMsg_MoveRangeSelectionExtent_ACK,
                         OnSelectMessageAck)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_HasTouchEventHandlers,
+    IPC_MESSAGE_HANDLER(InputHostMsg_HasTouchEventHandlers,
                         OnHasTouchEventHandlers)
+    IPC_MESSAGE_HANDLER(InputHostMsg_HasTouchMoveEventHandlers,
+                        OnHasTouchMoveEventHandlers)
     IPC_MESSAGE_HANDLER(InputHostMsg_SetTouchAction,
                         OnSetTouchAction)
     IPC_MESSAGE_HANDLER(InputHostMsg_DidStopFlinging, OnDidStopFlinging)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void InputRouterImpl::OnTouchEventAck(const TouchEventWithLatencyInfo& event,
@@ skipping 194 matching lines @@
   // underlying touches never reach the router.
   // TODO(jdduke): Reset touch-action only at the end of a touch sequence to
   // prevent potentially strange mid-sequence behavior, crbug.com/375940.
   if (!has_handlers)
     touch_action_filter_.ResetTouchAction();
 
   touch_event_queue_.OnHasTouchEventHandlers(has_handlers);
   client_->OnHasTouchEventHandlers(has_handlers);
 }
 
+void InputRouterImpl::OnHasTouchMoveEventHandlers(bool has_handlers) {
+  TRACE_EVENT1("input", "InputRouterImpl::OnHasTouchMoveEventHandlers",
+               "has_handlers", has_handlers);
+
+  touch_event_queue_.OnHasTouchMoveEventHandlers(has_handlers);
+}
+
 void InputRouterImpl::OnSetTouchAction(TouchAction touch_action) {
   // Synthetic touchstart events should get filtered out in RenderWidget.
   DCHECK(touch_event_queue_.IsPendingAckTouchStart());
   TRACE_EVENT1("input", "InputRouterImpl::OnSetTouchAction",
                "action", touch_action);
 
   touch_action_filter_.OnSetTouchAction(touch_action);
 
   // TOUCH_ACTION_NONE should disable the touch ack timeout.
   UpdateTouchAckTimeoutEnabled();
@@ skipping 148 matching lines @@
     return;
 
   if (HasPendingEvents())
     return;
 
   flush_requested_ = false;
   client_->DidFlush();
 }
 
 }  // namespace content