content/common/drag_messages.h

   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.
   4
   5 // IPC messages for drag and drop.
   6 // Multiply-included message file, hence no include guard.
   7
   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/WebKit/public/web/WebDragOperation.h"
  13 #include "third_party/skia/include/core/SkBitmap.h"
  14 #include "ui/gfx/geometry/point.h"
  15 #include "ui/gfx/geometry/vector2d.h"
  16
  17 #define IPC_MESSAGE_START DragMsgStart
  18
  19 // Messages sent from the browser to the renderer.
  20
  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 */)
  27
  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 */)
  33
  34 IPC_MESSAGE_ROUTED0(DragMsg_TargetDragLeave)
  35
  36 IPC_MESSAGE_ROUTED3(DragMsg_TargetDrop,
  37                     gfx::Point /* client_pt */,
  38                     gfx::Point /* screen_pt */,
  39                     int /* key_modifiers */)
  40
  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 */)
  46
  47 // Notifies the renderer that the system DoDragDrop call has ended.
  48 IPC_MESSAGE_ROUTED0(DragMsg_SourceSystemDragEnded)
  49
  50 // Messages sent from the renderer to the browser.
  51
  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 */)
  62
  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 */)
  67
  68 // Notifies the host that the renderer finished a drop operation.
  69 IPC_MESSAGE_ROUTED0(DragHostMsg_TargetDrop_ACK)