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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 { |
| (...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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