Add InputEvent and EventPacket types for batched input delivery

content/common/input_messages.h

 // Copyright (c) 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.
 
 // IPC messages for input events and other messages that require processing in
 // order relative to input events.
 // Multiply-included message file, hence no include guard.
 
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/edit_command.h"
+#include "content/common/input/event_packet.h"
+#include "content/common/input/input_event.h"
+#include "content/common/input/input_event_state.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/base/latency_info.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #ifdef IPC_MESSAGE_START
 #error IPC_MESSAGE_START
 #endif
 
 #define IPC_MESSAGE_START InputMsgStart
 
 IPC_ENUM_TRAITS(content::InputEventAckState)
+IPC_ENUM_TRAITS(content::InputEventState)
+IPC_ENUM_TRAITS(content::InputEventType)
 
 IPC_STRUCT_TRAITS_BEGIN(content::EditCommand)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(value)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::InputEvent)
+  IPC_STRUCT_TRAITS_MEMBER(id)
+  IPC_STRUCT_TRAITS_MEMBER(type)
+  IPC_STRUCT_TRAITS_MEMBER(message)
+  IPC_STRUCT_TRAITS_MEMBER(state)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(content::EventPacket)
+  IPC_STRUCT_TRAITS_MEMBER(id)
+  IPC_STRUCT_TRAITS_MEMBER(events)
+IPC_STRUCT_TRAITS_END()
+
 // Sends an input event to the render widget.
 IPC_MESSAGE_ROUTED3(InputMsg_HandleInputEvent,
                     IPC::WebInputEventPointer /* event */,
                     ui::LatencyInfo /* latency_info */,
                     bool /* is_keyboard_shortcut */)
 
 // Sends the cursor visibility state to the render widget.
 IPC_MESSAGE_ROUTED1(InputMsg_CursorVisibilityChange,
                     bool /* is_visible */)
 
@@ skipping 59 matching lines @@
 // Expects a SelectRange_ACK message when finished.
 IPC_MESSAGE_ROUTED2(InputMsg_SelectRange,
                     gfx::Point /* start */,
                     gfx::Point /* end */)
 
 // Requests the renderer to move the caret selection toward the point.
 // Expects a MoveCaret_ACK message when finished.
 IPC_MESSAGE_ROUTED1(InputMsg_MoveCaret,
                     gfx::Point /* location */)
 
+IPC_MESSAGE_ROUTED1(InputMsg_HandleEventPacket,
+                    content::EventPacket /* packet */)
+
 #if defined(OS_ANDROID)
 // Sent when the user clicks on the find result bar to activate a find result.
 // The point (x,y) is in fractions of the content document's width and height.
 IPC_MESSAGE_ROUTED3(InputMsg_ActivateNearestFindResult,
                     int /* request_id */,
                     float /* x */,
                     float /* y */)
 #endif
 
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
 // Acknowledges receipt of a InputMsg_HandleInputEvent message.
 IPC_MESSAGE_ROUTED3(InputHostMsg_HandleInputEvent_ACK,
                     WebKit::WebInputEvent::Type,
                     content::InputEventAckState /* ack_result */,
                     ui::LatencyInfo /* latency_info */)
 
+// Acknowledges receipt of a InputMsg_HandleEventPacket message.
+IPC_MESSAGE_ROUTED1(InputHostMsg_HandleEventPacket_ACK,
+                    content::EventPacket /* acked_packet */)
+
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent InputMsg, then ifdefs for platform specific InputMsg, then
 // platform independent InputHostMsg, then ifdefs for platform specific
 // InputHostMsg.