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[chromium-blink-merge.git] / content / common / drag_messages.h
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // IPC messages for drag and drop.
6 // Multiply-included message file, hence no include guard.
8 #include "content/common/drag_event_source_info.h"
9 #include "content/public/common/common_param_traits.h"
10 #include "content/public/common/drop_data.h"
11 #include "ipc/ipc_message_macros.h"
12 #include "third_party/skia/include/core/SkBitmap.h"
13 #include "third_party/WebKit/public/web/WebDragOperation.h"
14 #include "ui/gfx/point.h"
15 #include "ui/gfx/vector2d.h"
17 #define IPC_MESSAGE_START DragMsgStart
19 // Messages sent from the browser to the renderer.
21 IPC_MESSAGE_ROUTED5(DragMsg_TargetDragEnter,
22 content::DropData /* drop_data */,
23 gfx::Point /* client_pt */,
24 gfx::Point /* screen_pt */,
25 blink::WebDragOperationsMask /* ops_allowed */,
26 int /* key_modifiers */)
28 IPC_MESSAGE_ROUTED4(DragMsg_TargetDragOver,
29 gfx::Point /* client_pt */,
30 gfx::Point /* screen_pt */,
31 blink::WebDragOperationsMask /* ops_allowed */,
32 int /* key_modifiers */)
34 IPC_MESSAGE_ROUTED0(DragMsg_TargetDragLeave)
36 IPC_MESSAGE_ROUTED3(DragMsg_TargetDrop,
37 gfx::Point /* client_pt */,
38 gfx::Point /* screen_pt */,
39 int /* key_modifiers */)
41 // Notifies the renderer when and where the mouse-drag ended.
42 IPC_MESSAGE_ROUTED3(DragMsg_SourceEnded,
43 gfx::Point /* client_pt */,
44 gfx::Point /* screen_pt */,
45 blink::WebDragOperation /* drag_operation */)
47 // Notifies the renderer that the system DoDragDrop call has ended.
48 IPC_MESSAGE_ROUTED0(DragMsg_SourceSystemDragEnded)
50 // Messages sent from the renderer to the browser.
52 // Used to tell the parent the user started dragging in the content area. The
53 // DropData struct contains contextual information about the pieces of the
54 // page the user dragged. The parent uses this notification to initiate a
55 // drag session at the OS level.
56 IPC_MESSAGE_ROUTED5(DragHostMsg_StartDragging,
57 content::DropData /* drop_data */,
58 blink::WebDragOperationsMask /* ops_allowed */,
59 SkBitmap /* image */,
60 gfx::Vector2d /* image_offset */,
61 content::DragEventSourceInfo /* event_info */)
63 // The page wants to update the mouse cursor during a drag & drop operation.
64 // |is_drop_target| is true if the mouse is over a valid drop target.
65 IPC_MESSAGE_ROUTED1(DragHostMsg_UpdateDragCursor,
66 blink::WebDragOperation /* drag_operation */)
68 // Notifies the host that the renderer finished a drop operation.
69 IPC_MESSAGE_ROUTED0(DragHostMsg_TargetDrop_ACK)