15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#ifndef UI_WM_PUBLIC_DRAG_DROP_CLIENT_H_ 6effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#define UI_WM_PUBLIC_DRAG_DROP_CLIENT_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/aura_export.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/dragdrop/drag_drop_types.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/native_widget_types.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Point; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class LocatedEvent; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class OSExchangeData; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace aura { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Window; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace client { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An interface implemented by an object that controls a drag and drop session. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class AURA_EXPORT DragDropClient { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~DragDropClient() {} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initiates a drag and drop session. Returns the drag operation that was 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // applied at the end of the drag drop session. |root_location| is in the 321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // root Window's coordinate system. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int StartDragAndDrop(const ui::OSExchangeData& data, 341e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) aura::Window* root_window, 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) aura::Window* source_window, 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& root_location, 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int operation, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::DragDropTypes::DragEventSource source) = 0; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when mouse is dragged during a drag and drop. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DragUpdate(aura::Window* target, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ui::LocatedEvent& event) = 0; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when mouse is released during a drag and drop. 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Drop(aura::Window* target, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ui::LocatedEvent& event) = 0; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when a drag and drop session is cancelled. 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DragCancel() = 0; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if a drag and drop session is in progress. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool IsDragDropInProgress() = 0; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 551e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)AURA_EXPORT void SetDragDropClient(Window* root_window, 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DragDropClient* client); 571e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)AURA_EXPORT DragDropClient* GetDragDropClient(Window* root_window); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace client 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace aura 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 62effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#endif // UI_WM_PUBLIC_DRAG_DROP_CLIENT_H_ 63