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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 #ifndef ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ | 5 #ifndef ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ |
| 6 #define ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ | 6 #define ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <vector> | 10 #include <vector> |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 class WindowDimmer; | 23 class WindowDimmer; |
| 24 | 24 |
| 25 // LayoutManager for the modal window container. | 25 // LayoutManager for the modal window container. |
| 26 // System modal windows which are centered on the screen will be kept centered | 26 // System modal windows which are centered on the screen will be kept centered |
| 27 // when the container size changes. | 27 // when the container size changes. |
| 28 class ASH_EXPORT SystemModalContainerLayoutManager | 28 class ASH_EXPORT SystemModalContainerLayoutManager |
| 29 : public wm::WmSnapToPixelLayoutManager, | 29 : public wm::WmSnapToPixelLayoutManager, |
| 30 public aura::WindowObserver, | 30 public aura::WindowObserver, |
| 31 public keyboard::KeyboardControllerObserver { | 31 public keyboard::KeyboardControllerObserver { |
| 32 public: | 32 public: |
| 33 explicit SystemModalContainerLayoutManager(WmWindow* container); | 33 explicit SystemModalContainerLayoutManager(aura::Window* container); |
| 34 ~SystemModalContainerLayoutManager() override; | 34 ~SystemModalContainerLayoutManager() override; |
| 35 | 35 |
| 36 bool has_window_dimmer() const { return window_dimmer_ != nullptr; } | 36 bool has_window_dimmer() const { return window_dimmer_ != nullptr; } |
| 37 | 37 |
| 38 // Overridden from WmSnapToPixelLayoutManager: | 38 // Overridden from WmSnapToPixelLayoutManager: |
| 39 void OnChildWindowVisibilityChanged(WmWindow* child, bool visible) override; | 39 void OnChildWindowVisibilityChanged(aura::Window* child, |
| 40 bool visible) override; |
| 40 void OnWindowResized() override; | 41 void OnWindowResized() override; |
| 41 void OnWindowAddedToLayout(WmWindow* child) override; | 42 void OnWindowAddedToLayout(aura::Window* child) override; |
| 42 void OnWillRemoveWindowFromLayout(WmWindow* child) override; | 43 void OnWillRemoveWindowFromLayout(aura::Window* child) override; |
| 43 void SetChildBounds(WmWindow* child, | 44 void SetChildBounds(aura::Window* child, |
| 44 const gfx::Rect& requested_bounds) override; | 45 const gfx::Rect& requested_bounds) override; |
| 45 | 46 |
| 46 // Overridden from aura::WindowObserver: | 47 // Overridden from aura::WindowObserver: |
| 47 void OnWindowPropertyChanged(aura::Window* window, | 48 void OnWindowPropertyChanged(aura::Window* window, |
| 48 const void* key, | 49 const void* key, |
| 49 intptr_t old) override; | 50 intptr_t old) override; |
| 50 | 51 |
| 51 // Overridden from keyboard::KeyboardControllerObserver: | 52 // Overridden from keyboard::KeyboardControllerObserver: |
| 52 void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override; | 53 void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override; |
| 53 void OnKeyboardClosed() override; | 54 void OnKeyboardClosed() override; |
| 54 | 55 |
| 55 // True if the window is either contained by the top most modal window, | 56 // True if the window is either contained by the top most modal window, |
| 56 // or contained by its transient children. | 57 // or contained by its transient children. |
| 57 bool IsPartOfActiveModalWindow(WmWindow* window); | 58 bool IsPartOfActiveModalWindow(aura::Window* window); |
| 58 | 59 |
| 59 // Activates next modal window if any. Returns false if there | 60 // Activates next modal window if any. Returns false if there |
| 60 // are no more modal windows in this layout manager. | 61 // are no more modal windows in this layout manager. |
| 61 bool ActivateNextModalWindow(); | 62 bool ActivateNextModalWindow(); |
| 62 | 63 |
| 63 // Creates modal background window, which is a partially-opaque | 64 // Creates modal background window, which is a partially-opaque |
| 64 // fullscreen window. If there is already a modal background window, | 65 // fullscreen window. If there is already a modal background window, |
| 65 // it will bring it the top. | 66 // it will bring it the top. |
| 66 void CreateModalBackground(); | 67 void CreateModalBackground(); |
| 67 | 68 |
| 68 void DestroyModalBackground(); | 69 void DestroyModalBackground(); |
| 69 | 70 |
| 70 // Is the |window| modal background? | 71 // Is the |window| modal background? |
| 71 static bool IsModalBackground(WmWindow* window); | 72 static bool IsModalBackground(aura::Window* window); |
| 72 | 73 |
| 73 private: | 74 private: |
| 74 void AddModalWindow(WmWindow* window); | 75 void AddModalWindow(aura::Window* window); |
| 75 | 76 |
| 76 // Removes |window| from |modal_windows_|. Returns true if |window| was in | 77 // Removes |window| from |modal_windows_|. Returns true if |window| was in |
| 77 // |modal_windows_|. | 78 // |modal_windows_|. |
| 78 bool RemoveModalWindow(WmWindow* window); | 79 bool RemoveModalWindow(aura::Window* window); |
| 79 | 80 |
| 80 // Reposition the dialogs to become visible after the work area changes. | 81 // Reposition the dialogs to become visible after the work area changes. |
| 81 void PositionDialogsAfterWorkAreaResize(); | 82 void PositionDialogsAfterWorkAreaResize(); |
| 82 | 83 |
| 83 // Get the usable bounds rectangle for enclosed dialogs. | 84 // Get the usable bounds rectangle for enclosed dialogs. |
| 84 gfx::Rect GetUsableDialogArea() const; | 85 gfx::Rect GetUsableDialogArea() const; |
| 85 | 86 |
| 86 // Gets the new bounds for a |window| to use which are either centered (if the | 87 // Gets the new bounds for a |window| to use which are either centered (if the |
| 87 // window was previously centered) or fitted to the screen. | 88 // window was previously centered) or fitted to the screen. |
| 88 gfx::Rect GetCenteredAndOrFittedBounds(const WmWindow* window); | 89 gfx::Rect GetCenteredAndOrFittedBounds(const aura::Window* window); |
| 89 | 90 |
| 90 // Returns true if |bounds| is considered centered. | 91 // Returns true if |bounds| is considered centered. |
| 91 bool IsBoundsCentered(const gfx::Rect& window_bounds) const; | 92 bool IsBoundsCentered(const gfx::Rect& window_bounds) const; |
| 92 | 93 |
| 93 WmWindow* modal_window() { | 94 aura::Window* modal_window() { |
| 94 return !modal_windows_.empty() ? modal_windows_.back() : nullptr; | 95 return !modal_windows_.empty() ? modal_windows_.back() : nullptr; |
| 95 } | 96 } |
| 96 | 97 |
| 97 // The container that owns the layout manager. | 98 // The container that owns the layout manager. |
| 98 WmWindow* container_; | 99 aura::Window* container_; |
| 99 | 100 |
| 100 // WindowDimmer used to dim windows behind the modal window(s) being shown in | 101 // WindowDimmer used to dim windows behind the modal window(s) being shown in |
| 101 // |container_|. | 102 // |container_|. |
| 102 std::unique_ptr<WindowDimmer> window_dimmer_; | 103 std::unique_ptr<WindowDimmer> window_dimmer_; |
| 103 | 104 |
| 104 // A stack of modal windows. Only the topmost can receive events. | 105 // A stack of modal windows. Only the topmost can receive events. |
| 105 std::vector<WmWindow*> modal_windows_; | 106 std::vector<aura::Window*> modal_windows_; |
| 106 | 107 |
| 107 // Windows contained in this set are centered. Windows are automatically | 108 // Windows contained in this set are centered. Windows are automatically |
| 108 // added to this based on IsBoundsCentered(). | 109 // added to this based on IsBoundsCentered(). |
| 109 std::set<const WmWindow*> windows_to_center_; | 110 std::set<const aura::Window*> windows_to_center_; |
| 110 | 111 |
| 111 DISALLOW_COPY_AND_ASSIGN(SystemModalContainerLayoutManager); | 112 DISALLOW_COPY_AND_ASSIGN(SystemModalContainerLayoutManager); |
| 112 }; | 113 }; |
| 113 | 114 |
| 114 } // namespace ash | 115 } // namespace ash |
| 115 | 116 |
| 116 #endif // ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ | 117 #endif // ASH_WM_SYSTEM_MODAL_CONTAINER_LAYOUT_MANAGER_H_ |
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