WIP Add getCoalescedEvents API using vector of WebInputEvents

content/renderer/input/main_thread_event_queue.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_
 #define CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_
 
 #include <deque>
 #include "base/feature_list.h"
 #include "content/common/content_export.h"
 #include "content/common/input/event_with_latency_info.h"
 #include "content/common/input/input_event_ack_state.h"
 #include "content/common/input/input_event_dispatch_type.h"
 #include "content/common/input/web_input_event_queue.h"
 #include "content/public/common/content_features.h"
-#include "third_party/WebKit/public/platform/WebInputEvent.h"
+#include "third_party/WebKit/public/platform/CoalescedWebInputEvent.h"
 #include "third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h"
 #include "ui/events/blink/web_input_event_traits.h"
 #include "ui/events/latency_info.h"
 
 namespace content {
 
 class EventWithDispatchType : public ScopedWebInputEventWithLatencyInfo {
  public:
-  EventWithDispatchType(ui::ScopedWebInputEvent event,
-                        const ui::LatencyInfo& latency,
-                        InputEventDispatchType dispatch_type);
+  EventWithDispatchType(
+      blink::CoalescedWebInputEvent::ScopedWebInputEvent event,
+      const ui::LatencyInfo& latency,
+      InputEventDispatchType dispatch_type);
   ~EventWithDispatchType();
   bool CanCoalesceWith(const EventWithDispatchType& other) const
       WARN_UNUSED_RESULT;
   void CoalesceWith(const EventWithDispatchType& other);
 
   const std::deque<uint32_t>& coalescedEventIds() const {
     return coalesced_event_ids_;
   }
   InputEventDispatchType dispatchType() const { return dispatch_type_; }
   base::TimeTicks creationTimestamp() const { return creation_timestamp_; }
@@ skipping 13 matching lines @@
   base::TimeTicks last_coalesced_timestamp_;
 };
 
 class CONTENT_EXPORT MainThreadEventQueueClient {
  public:
   // Handle an |event| that was previously queued (possibly
   // coalesced with another event) to the |routing_id|'s
   // channel. Implementors must implement this callback.
   virtual void HandleEventOnMainThread(
       int routing_id,
-      const blink::WebInputEvent* event,
+      const blink::CoalescedWebInputEvent* event,
       const ui::LatencyInfo& latency,
       InputEventDispatchType dispatch_type) = 0;
 
   virtual void SendInputEventAck(int routing_id,
                                  blink::WebInputEvent::Type type,
                                  InputEventAckState ack_result,
                                  uint32_t touch_event_id) = 0;
   virtual void NeedsMainFrame(int routing_id) = 0;
 };
 
@@ skipping 37 matching lines @@
     : public base::RefCountedThreadSafe<MainThreadEventQueue> {
  public:
   MainThreadEventQueue(
       int routing_id,
       MainThreadEventQueueClient* client,
       const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
       blink::scheduler::RendererScheduler* renderer_scheduler);
 
   // Called once the compositor has handled |event| and indicated that it is
   // a non-blocking event to be queued to the main thread.
-  bool HandleEvent(ui::ScopedWebInputEvent event,
+  bool HandleEvent(blink::CoalescedWebInputEvent::ScopedWebInputEvent event,
                    const ui::LatencyInfo& latency,
                    InputEventDispatchType dispatch_type,
                    InputEventAckState ack_result);
   void DispatchRafAlignedInput();
 
   // Call once the main thread has handled an outstanding |type| event
   // in flight.
   void EventHandled(blink::WebInputEvent::Type type,
                     InputEventAckState ack_result);
 
@@ skipping 37 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
   blink::scheduler::RendererScheduler* renderer_scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(MainThreadEventQueue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_