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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ash/common/wm/wm_toplevel_window_event_handler.h" | 5 #include "ash/common/wm/wm_toplevel_window_event_handler.h" |
6 | 6 |
7 #include "ash/common/wm/window_resizer.h" | 7 #include "ash/common/wm/window_resizer.h" |
8 #include "ash/common/wm/window_state.h" | 8 #include "ash/common/wm/window_state.h" |
9 #include "ash/common/wm/window_state_observer.h" | 9 #include "ash/common/wm/window_state_observer.h" |
10 #include "ash/common/wm/wm_event.h" | 10 #include "ash/common/wm/wm_event.h" |
11 #include "ash/common/wm/wm_globals.h" | 11 #include "ash/common/wm_shell.h" |
12 #include "ash/common/wm/wm_window.h" | 12 #include "ash/common/wm_window.h" |
13 #include "ash/common/wm/wm_window_observer.h" | 13 #include "ash/common/wm_window_observer.h" |
14 #include "ui/base/hit_test.h" | 14 #include "ui/base/hit_test.h" |
15 #include "ui/events/event.h" | 15 #include "ui/events/event.h" |
16 | 16 |
17 namespace { | 17 namespace { |
18 const double kMinHorizVelocityForWindowSwipe = 1100; | 18 const double kMinHorizVelocityForWindowSwipe = 1100; |
19 const double kMinVertVelocityForWindowMinimize = 1000; | 19 const double kMinVertVelocityForWindowMinimize = 1000; |
20 } | 20 } |
21 | 21 |
22 namespace ash { | 22 namespace ash { |
23 namespace wm { | 23 namespace wm { |
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59 } | 59 } |
60 | 60 |
61 } // namespace | 61 } // namespace |
62 | 62 |
63 // ScopedWindowResizer --------------------------------------------------------- | 63 // ScopedWindowResizer --------------------------------------------------------- |
64 | 64 |
65 // Wraps a WindowResizer and installs an observer on its target window. When | 65 // Wraps a WindowResizer and installs an observer on its target window. When |
66 // the window is destroyed ResizerWindowDestroyed() is invoked back on the | 66 // the window is destroyed ResizerWindowDestroyed() is invoked back on the |
67 // WmToplevelWindowEventHandler to clean up. | 67 // WmToplevelWindowEventHandler to clean up. |
68 class WmToplevelWindowEventHandler::ScopedWindowResizer | 68 class WmToplevelWindowEventHandler::ScopedWindowResizer |
69 : public wm::WmWindowObserver, | 69 : public WmWindowObserver, |
70 public wm::WindowStateObserver { | 70 public wm::WindowStateObserver { |
71 public: | 71 public: |
72 ScopedWindowResizer(WmToplevelWindowEventHandler* handler, | 72 ScopedWindowResizer(WmToplevelWindowEventHandler* handler, |
73 std::unique_ptr<WindowResizer> resizer); | 73 std::unique_ptr<WindowResizer> resizer); |
74 ~ScopedWindowResizer() override; | 74 ~ScopedWindowResizer() override; |
75 | 75 |
76 // Returns true if the drag moves the window and does not resize. | 76 // Returns true if the drag moves the window and does not resize. |
77 bool IsMove() const; | 77 bool IsMove() const; |
78 | 78 |
79 WindowResizer* resizer() { return resizer_.get(); } | 79 WindowResizer* resizer() { return resizer_.get(); } |
80 | 80 |
81 // WindowObserver overrides: | 81 // WindowObserver overrides: |
82 void OnWindowDestroying(wm::WmWindow* window) override; | 82 void OnWindowDestroying(WmWindow* window) override; |
83 | 83 |
84 // WindowStateObserver overrides: | 84 // WindowStateObserver overrides: |
85 void OnPreWindowStateTypeChange(wm::WindowState* window_state, | 85 void OnPreWindowStateTypeChange(wm::WindowState* window_state, |
86 wm::WindowStateType type) override; | 86 wm::WindowStateType type) override; |
87 | 87 |
88 private: | 88 private: |
89 WmToplevelWindowEventHandler* handler_; | 89 WmToplevelWindowEventHandler* handler_; |
90 std::unique_ptr<WindowResizer> resizer_; | 90 std::unique_ptr<WindowResizer> resizer_; |
91 | 91 |
92 // Whether ScopedWindowResizer grabbed capture. | 92 // Whether ScopedWindowResizer grabbed capture. |
93 bool grabbed_capture_; | 93 bool grabbed_capture_; |
94 | 94 |
95 DISALLOW_COPY_AND_ASSIGN(ScopedWindowResizer); | 95 DISALLOW_COPY_AND_ASSIGN(ScopedWindowResizer); |
96 }; | 96 }; |
97 | 97 |
98 WmToplevelWindowEventHandler::ScopedWindowResizer::ScopedWindowResizer( | 98 WmToplevelWindowEventHandler::ScopedWindowResizer::ScopedWindowResizer( |
99 WmToplevelWindowEventHandler* handler, | 99 WmToplevelWindowEventHandler* handler, |
100 std::unique_ptr<WindowResizer> resizer) | 100 std::unique_ptr<WindowResizer> resizer) |
101 : handler_(handler), resizer_(std::move(resizer)), grabbed_capture_(false) { | 101 : handler_(handler), resizer_(std::move(resizer)), grabbed_capture_(false) { |
102 wm::WmWindow* target = resizer_->GetTarget(); | 102 WmWindow* target = resizer_->GetTarget(); |
103 target->AddObserver(this); | 103 target->AddObserver(this); |
104 target->GetWindowState()->AddObserver(this); | 104 target->GetWindowState()->AddObserver(this); |
105 | 105 |
106 if (!target->HasCapture()) { | 106 if (!target->HasCapture()) { |
107 grabbed_capture_ = true; | 107 grabbed_capture_ = true; |
108 target->SetCapture(); | 108 target->SetCapture(); |
109 } | 109 } |
110 } | 110 } |
111 | 111 |
112 WmToplevelWindowEventHandler::ScopedWindowResizer::~ScopedWindowResizer() { | 112 WmToplevelWindowEventHandler::ScopedWindowResizer::~ScopedWindowResizer() { |
113 wm::WmWindow* target = resizer_->GetTarget(); | 113 WmWindow* target = resizer_->GetTarget(); |
114 target->RemoveObserver(this); | 114 target->RemoveObserver(this); |
115 target->GetWindowState()->RemoveObserver(this); | 115 target->GetWindowState()->RemoveObserver(this); |
116 if (grabbed_capture_) | 116 if (grabbed_capture_) |
117 target->ReleaseCapture(); | 117 target->ReleaseCapture(); |
118 } | 118 } |
119 | 119 |
120 bool WmToplevelWindowEventHandler::ScopedWindowResizer::IsMove() const { | 120 bool WmToplevelWindowEventHandler::ScopedWindowResizer::IsMove() const { |
121 return resizer_->details().bounds_change == | 121 return resizer_->details().bounds_change == |
122 WindowResizer::kBoundsChange_Repositions; | 122 WindowResizer::kBoundsChange_Repositions; |
123 } | 123 } |
124 | 124 |
125 void WmToplevelWindowEventHandler::ScopedWindowResizer:: | 125 void WmToplevelWindowEventHandler::ScopedWindowResizer:: |
126 OnPreWindowStateTypeChange(wm::WindowState* window_state, | 126 OnPreWindowStateTypeChange(wm::WindowState* window_state, |
127 wm::WindowStateType old) { | 127 wm::WindowStateType old) { |
128 handler_->CompleteDrag(DragResult::SUCCESS); | 128 handler_->CompleteDrag(DragResult::SUCCESS); |
129 } | 129 } |
130 | 130 |
131 void WmToplevelWindowEventHandler::ScopedWindowResizer::OnWindowDestroying( | 131 void WmToplevelWindowEventHandler::ScopedWindowResizer::OnWindowDestroying( |
132 wm::WmWindow* window) { | 132 WmWindow* window) { |
133 DCHECK_EQ(resizer_->GetTarget(), window); | 133 DCHECK_EQ(resizer_->GetTarget(), window); |
134 handler_->ResizerWindowDestroyed(); | 134 handler_->ResizerWindowDestroyed(); |
135 } | 135 } |
136 | 136 |
137 // WmToplevelWindowEventHandler | 137 // WmToplevelWindowEventHandler |
138 // -------------------------------------------------- | 138 // -------------------------------------------------- |
139 | 139 |
140 WmToplevelWindowEventHandler::WmToplevelWindowEventHandler(WmGlobals* globals) | 140 WmToplevelWindowEventHandler::WmToplevelWindowEventHandler(WmShell* shell) |
141 : globals_(globals), first_finger_hittest_(HTNOWHERE) { | 141 : shell_(shell), first_finger_hittest_(HTNOWHERE) { |
142 globals_->AddDisplayObserver(this); | 142 shell_->AddDisplayObserver(this); |
143 } | 143 } |
144 | 144 |
145 WmToplevelWindowEventHandler::~WmToplevelWindowEventHandler() { | 145 WmToplevelWindowEventHandler::~WmToplevelWindowEventHandler() { |
146 globals_->RemoveDisplayObserver(this); | 146 shell_->RemoveDisplayObserver(this); |
147 } | 147 } |
148 | 148 |
149 void WmToplevelWindowEventHandler::OnKeyEvent(ui::KeyEvent* event) { | 149 void WmToplevelWindowEventHandler::OnKeyEvent(ui::KeyEvent* event) { |
150 if (window_resizer_.get() && event->type() == ui::ET_KEY_PRESSED && | 150 if (window_resizer_.get() && event->type() == ui::ET_KEY_PRESSED && |
151 event->key_code() == ui::VKEY_ESCAPE) { | 151 event->key_code() == ui::VKEY_ESCAPE) { |
152 CompleteDrag(DragResult::REVERT); | 152 CompleteDrag(DragResult::REVERT); |
153 } | 153 } |
154 } | 154 } |
155 | 155 |
156 void WmToplevelWindowEventHandler::OnMouseEvent(ui::MouseEvent* event, | 156 void WmToplevelWindowEventHandler::OnMouseEvent(ui::MouseEvent* event, |
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540 void WmToplevelWindowEventHandler::ResizerWindowDestroyed() { | 540 void WmToplevelWindowEventHandler::ResizerWindowDestroyed() { |
541 CompleteDrag(DragResult::WINDOW_DESTROYED); | 541 CompleteDrag(DragResult::WINDOW_DESTROYED); |
542 } | 542 } |
543 | 543 |
544 void WmToplevelWindowEventHandler::OnDisplayConfigurationChanging() { | 544 void WmToplevelWindowEventHandler::OnDisplayConfigurationChanging() { |
545 CompleteDrag(DragResult::REVERT); | 545 CompleteDrag(DragResult::REVERT); |
546 } | 546 } |
547 | 547 |
548 } // namespace wm | 548 } // namespace wm |
549 } // namespace ash | 549 } // namespace ash |
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