Add a new pair of IPC categories for messages that need handling as input events

content/common/input_messages.h

Index: content/common/input_messages.h
diff --git a/content/common/input_messages.h b/content/common/input_messages.h
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+++ b/content/common/input_messages.h
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+// 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/string16.h"
+#include "content/common/content_export.h"
+#include "content/common/content_param_traits.h"
+#include "content/common/edit_command.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/Source/WebKit/chromium/public/WebInputEvent.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_STRUCT_TRAITS_BEGIN(content::EditCommand)
+  IPC_STRUCT_TRAITS_MEMBER(name)
+  IPC_STRUCT_TRAITS_MEMBER(value)
+IPC_STRUCT_TRAITS_END()
+
+// Sends an input event to the render widget.
+IPC_MESSAGE_ROUTED2(InputMsg_HandleInputEvent,
+                    IPC::WebInputEventPointer /* event */,
+                    bool /* is_keyboard_shortcut */)
+
+// This message notifies the renderer that the next key event is bound to one
+// or more pre-defined edit commands. If the next key event is not handled
+// by webkit, the specified edit commands shall be executed against current
+// focused frame.
+// Parameters
+// * edit_commands (see chrome/common/edit_command_types.h)
+//   Contains one or more edit commands.
+// See third_party/WebKit/Source/WebCore/editing/EditorCommand.cpp for detailed
+// definition of webkit edit commands.
+//
+// This message must be sent just before sending a key event.
+IPC_MESSAGE_ROUTED1(InputMsg_SetEditCommandsForNextKeyEvent,
+                    std::vector<content::EditCommand> /* edit_commands */)
+
+// Message payload is the name/value of a WebCore edit command to execute.
+IPC_MESSAGE_ROUTED2(InputMsg_ExecuteEditCommand,
+                    std::string, /* name */
+                    std::string /* value */)
+
+IPC_MESSAGE_ROUTED0(InputMsg_MouseCaptureLost)
+
+// TODO(darin): figure out how this meshes with RestoreFocus
+IPC_MESSAGE_ROUTED1(InputMsg_SetFocus,
+                    bool /* enable */)
+
+// Tells the renderer to focus the first (last if reverse is true) focusable
+// node.
+IPC_MESSAGE_ROUTED1(InputMsg_SetInitialFocus,
+                    bool /* reverse */)
+
+// Tells the renderer to scroll the currently focused node into rect only if
+// the currently focused node is a Text node (textfield, text area or content
+// editable divs).
+IPC_MESSAGE_ROUTED1(InputMsg_ScrollFocusedEditableNodeIntoRect, gfx::Rect)
+
+// These messages are typically generated from context menus and request the
+// renderer to apply the specified operation to the current selection.
+IPC_MESSAGE_ROUTED0(InputMsg_Undo)
+IPC_MESSAGE_ROUTED0(InputMsg_Redo)
+IPC_MESSAGE_ROUTED0(InputMsg_Cut)
+IPC_MESSAGE_ROUTED0(InputMsg_Copy)
+#if defined(OS_MACOSX)
+IPC_MESSAGE_ROUTED0(InputMsg_CopyToFindPboard)
+#endif
+IPC_MESSAGE_ROUTED0(InputMsg_Paste)
+IPC_MESSAGE_ROUTED0(InputMsg_PasteAndMatchStyle)
+// Replaces the selected region or a word around the cursor with the
+// specified string.
+IPC_MESSAGE_ROUTED1(InputMsg_Replace,
+                    string16)
+// Replaces the misspelling in the selected region with the specified string.
+IPC_MESSAGE_ROUTED1(InputMsg_ReplaceMisspelling,
+                    string16)
+IPC_MESSAGE_ROUTED0(InputMsg_Delete)
+IPC_MESSAGE_ROUTED0(InputMsg_SelectAll)
+
+IPC_MESSAGE_ROUTED0(InputMsg_Unselect)
+
+// Requests the renderer to select the region between two points.
+// 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 */)
+
+#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_ROUTED2(InputHostMsg_HandleInputEvent_ACK,
+                    WebKit::WebInputEvent::Type,
+                    content::InputEventAckState /* ack_result */)
+
+
+// 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.