| // Copyright (c) 2012 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. |
| |
| #ifndef ASH_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |
| #define ASH_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/wm/wm_toplevel_window_event_handler.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "ui/events/event_handler.h" |
| #include "ui/wm/public/window_move_client.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace base { |
| class RunLoop; |
| } |
| |
| namespace ash { |
| |
| class ASH_EXPORT ToplevelWindowEventHandler : public ui::EventHandler, |
| public ::wm::WindowMoveClient { |
| public: |
| ToplevelWindowEventHandler(); |
| ~ToplevelWindowEventHandler() override; |
| |
| wm::WmToplevelWindowEventHandler* wm_toplevel_window_event_handler() { |
| return &wm_toplevel_window_event_handler_; |
| } |
| |
| // Overridden from ui::EventHandler: |
| void OnKeyEvent(ui::KeyEvent* event) override; |
| void OnMouseEvent(ui::MouseEvent* event) override; |
| void OnGestureEvent(ui::GestureEvent* event) override; |
| |
| // Attempts to start a drag if one is not already in progress. Returns true if |
| // successful. |end_closure| is run when the drag completes. |
| // If the event handler is handing the gesture stream, it will use the touch |
| // movement. |
| bool AttemptToStartDrag( |
| aura::Window* window, |
| const gfx::Point& point_in_parent, |
| int window_component, |
| wm::WmToplevelWindowEventHandler::EndClosure end_closure); |
| |
| // Overridden form wm::WindowMoveClient: |
| ::wm::WindowMoveResult RunMoveLoop( |
| aura::Window* source, |
| const gfx::Vector2d& drag_offset, |
| ::wm::WindowMoveSource move_source) override; |
| void EndMoveLoop() override; |
| |
| aura::Window* gesture_target() { |
| return wm_toplevel_window_event_handler_.gesture_target(); |
| } |
| |
| const gfx::Point& event_location_in_gesture_target() { |
| return wm_toplevel_window_event_handler_.event_location_in_gesture_target(); |
| } |
| |
| private: |
| // Callback from WmToplevelWindowEventHandler once the drag completes. |
| void OnDragCompleted( |
| wm::WmToplevelWindowEventHandler::DragResult* result_return_value, |
| base::RunLoop* run_loop, |
| wm::WmToplevelWindowEventHandler::DragResult result); |
| |
| wm::WmToplevelWindowEventHandler wm_toplevel_window_event_handler_; |
| |
| // Are we running a nested run loop from RunMoveLoop(). |
| bool in_move_loop_ = false; |
| |
| base::WeakPtrFactory<ToplevelWindowEventHandler> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ToplevelWindowEventHandler); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |