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/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" 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 of updates in mouse position of an in-progress 42 // drag. if |ended| is true, then the user has ended the drag operation. 43 IPC_MESSAGE_ROUTED4(DragMsg_SourceEndedOrMoved, 44 gfx::Point /* client_pt */, 45 gfx::Point /* screen_pt */, 46 bool /* ended */, 47 blink::WebDragOperation /* drag_operation */) 48 49 // Notifies the renderer that the system DoDragDrop call has ended. 50 IPC_MESSAGE_ROUTED0(DragMsg_SourceSystemDragEnded) 51 52 // Messages sent from the renderer to the browser. 53 54 // Used to tell the parent the user started dragging in the content area. The 55 // DropData struct contains contextual information about the pieces of the 56 // page the user dragged. The parent uses this notification to initiate a 57 // drag session at the OS level. 58 IPC_MESSAGE_ROUTED5(DragHostMsg_StartDragging, 59 content::DropData /* drop_data */, 60 blink::WebDragOperationsMask /* ops_allowed */, 61 SkBitmap /* image */, 62 gfx::Vector2d /* image_offset */, 63 content::DragEventSourceInfo /* event_info */) 64 65 // The page wants to update the mouse cursor during a drag & drop operation. 66 // |is_drop_target| is true if the mouse is over a valid drop target. 67 IPC_MESSAGE_ROUTED1(DragHostMsg_UpdateDragCursor, 68 blink::WebDragOperation /* drag_operation */) 69 70 // Notifies the host that the renderer finished a drop operation. 71 IPC_MESSAGE_ROUTED0(DragHostMsg_TargetDrop_ACK) 72