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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. | |
4 | |
5 #ifndef ASH_WM_WORKSPACE_WORKSPACE_EVENT_HANDLER_H_ | |
6 #define ASH_WM_WORKSPACE_WORKSPACE_EVENT_HANDLER_H_ | |
7 | |
8 #include "ash/common/wm/workspace/multi_window_resize_controller.h" | |
9 #include "base/macros.h" | |
10 #include "ui/events/event_handler.h" | |
11 | |
12 namespace ash { | |
13 class WorkspaceEventHandlerTestHelper; | |
14 | |
15 namespace wm { | |
16 class WindowState; | |
17 } | |
18 | |
19 class WorkspaceEventHandler : public ui::EventHandler { | |
20 public: | |
21 WorkspaceEventHandler(); | |
22 ~WorkspaceEventHandler() override; | |
23 | |
24 // ui::EventHandler: | |
25 void OnMouseEvent(ui::MouseEvent* event) override; | |
26 void OnGestureEvent(ui::GestureEvent* event) override; | |
27 | |
28 private: | |
29 friend class WorkspaceEventHandlerTestHelper; | |
30 | |
31 // Determines if |event| corresponds to a double click on either the top or | |
32 // bottom vertical resize edge, and if so toggles the vertical height of the | |
33 // window between its restored state and the full available height of the | |
34 // workspace. | |
35 void HandleVerticalResizeDoubleClick(wm::WindowState* window_state, | |
36 ui::MouseEvent* event); | |
37 | |
38 MultiWindowResizeController multi_window_resize_controller_; | |
39 | |
40 // The non-client component for the target of a MouseEvent or GestureEvent. | |
41 // Events can be destructive to the window tree, which can cause the | |
42 // component of a ui::EF_IS_DOUBLE_CLICK event to no longer be the same as | |
43 // that of the initial click. Acting on a double click should only occur for | |
44 // matching components. This will be set for left clicks, and tap events. | |
45 int click_component_; | |
46 | |
47 DISALLOW_COPY_AND_ASSIGN(WorkspaceEventHandler); | |
48 }; | |
49 | |
50 } // namespace ash | |
51 | |
52 #endif // ASH_WM_WORKSPACE_WORKSPACE_EVENT_HANDLER_H_ | |
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