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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ | 5 #ifndef CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ |
6 #define CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ | 6 #define CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "content/public/browser/native_web_keyboard_event.h" | 10 #include "content/public/browser/native_web_keyboard_event.h" |
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67 | 67 |
68 // Shows the dropdown bar. | 68 // Shows the dropdown bar. |
69 virtual void Show(bool animate); | 69 virtual void Show(bool animate); |
70 // Hides the dropdown bar. | 70 // Hides the dropdown bar. |
71 virtual void Hide(bool animate); | 71 virtual void Hide(bool animate); |
72 | 72 |
73 // Returns the rectangle representing where to position the dropdown widget. | 73 // Returns the rectangle representing where to position the dropdown widget. |
74 virtual gfx::Rect GetDialogPosition(gfx::Rect avoid_overlapping_rect) = 0; | 74 virtual gfx::Rect GetDialogPosition(gfx::Rect avoid_overlapping_rect) = 0; |
75 | 75 |
76 // Moves the widget to the provided location, moves it to top | 76 // Moves the widget to the provided location, moves it to top |
77 // in the z-order (HWND_TOP, not HWND_TOPMOST for windows), and sets the size | 77 // in the z-order (HWND_TOP, not HWND_TOPMOST for windows) and shows |
78 // of the |view_|. | 78 // the widget (if hidden). |
79 virtual void SetDialogPosition(const gfx::Rect& new_pos); | 79 virtual void SetDialogPosition(const gfx::Rect& new_pos) = 0; |
80 | 80 |
81 // Overridden from views::FocusChangeListener: | 81 // Overridden from views::FocusChangeListener: |
82 void OnWillChangeFocus(views::View* focused_before, | 82 void OnWillChangeFocus(views::View* focused_before, |
83 views::View* focused_now) override; | 83 views::View* focused_now) override; |
84 void OnDidChangeFocus(views::View* focused_before, | 84 void OnDidChangeFocus(views::View* focused_before, |
85 views::View* focused_now) override; | 85 views::View* focused_now) override; |
86 | 86 |
87 // Overridden from ui::AcceleratorTarget: | 87 // Overridden from ui::AcceleratorTarget: |
88 bool AcceleratorPressed(const ui::Accelerator& accelerator) override = 0; | 88 bool AcceleratorPressed(const ui::Accelerator& accelerator) override = 0; |
89 bool CanHandleAccelerators() const override = 0; | 89 bool CanHandleAccelerators() const override = 0; |
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125 | 125 |
126 // Resets the focus tracker. | 126 // Resets the focus tracker. |
127 void ResetFocusTracker(); | 127 void ResetFocusTracker(); |
128 | 128 |
129 // The focus manager we register with to keep track of focus changes. | 129 // The focus manager we register with to keep track of focus changes. |
130 views::FocusManager* focus_manager() const { return focus_manager_; } | 130 views::FocusManager* focus_manager() const { return focus_manager_; } |
131 | 131 |
132 // Returns the host widget. | 132 // Returns the host widget. |
133 views::Widget* host() const { return host_.get(); } | 133 views::Widget* host() const { return host_.get(); } |
134 | 134 |
| 135 // Returns the animation offset. |
| 136 int animation_offset() const { return animation_offset_; } |
| 137 |
135 // Retrieves the boundary that the dropdown widget has to work with | 138 // Retrieves the boundary that the dropdown widget has to work with |
136 // within the Chrome frame window. The boundary differs depending on | 139 // within the Chrome frame window. The boundary differs depending on |
137 // the dropdown bar implementation. The default implementation | 140 // the dropdown bar implementation. The default implementation |
138 // returns the boundary of browser_view and the drop down | 141 // returns the boundary of browser_view and the drop down |
139 // can be shown in any client area. | 142 // can be shown in any client area. |
140 virtual void GetWidgetBounds(gfx::Rect* bounds); | 143 virtual void GetWidgetBounds(gfx::Rect* bounds); |
141 | 144 |
142 // Returns the animation for the dropdown. | 145 // Returns the animation for the dropdown. |
143 gfx::SlideAnimation* animation() { | 146 gfx::SlideAnimation* animation() { |
144 return animation_.get(); | 147 return animation_.get(); |
145 } | 148 } |
146 | 149 |
147 private: | 150 private: |
148 // Set the view whose position in the |browser_view_| view hierarchy | 151 // Set the view whose position in the |browser_view_| view hierarchy |
149 // determines the z-order of |host_| relative to views with layers and | 152 // determines the z-order of |host_| relative to views with layers and |
150 // views with associated NativeViews. | 153 // views with associated NativeViews. |
151 void SetHostViewNative(views::View* host_view); | 154 void SetHostViewNative(views::View* host_view); |
152 | 155 |
153 // The BrowserView that created us. | 156 // The BrowserView that created us. |
154 BrowserView* browser_view_; | 157 BrowserView* browser_view_; |
155 | 158 |
156 // A parent View to |view_| that is used to clip when animating the bar | |
157 // between the shown and hidden states. | |
158 views::View* clip_view_; | |
159 | |
160 // Our view, which is responsible for drawing the UI. | 159 // Our view, which is responsible for drawing the UI. |
161 views::View* view_; | 160 views::View* view_; |
162 DropdownBarHostDelegate* delegate_; | 161 DropdownBarHostDelegate* delegate_; |
163 | 162 |
| 163 // The y position pixel offset of the widget while animating the |
| 164 // dropdown widget. |
| 165 int animation_offset_; |
| 166 |
164 // The animation class to use when opening the Dropdown widget. | 167 // The animation class to use when opening the Dropdown widget. |
165 scoped_ptr<gfx::SlideAnimation> animation_; | 168 scoped_ptr<gfx::SlideAnimation> animation_; |
166 | 169 |
167 // The focus manager we register with to keep track of focus changes. | 170 // The focus manager we register with to keep track of focus changes. |
168 views::FocusManager* focus_manager_; | 171 views::FocusManager* focus_manager_; |
169 | 172 |
170 // True if the accelerator target for Esc key is registered. | 173 // True if the accelerator target for Esc key is registered. |
171 bool esc_accel_target_registered_; | 174 bool esc_accel_target_registered_; |
172 | 175 |
173 // Tracks and stores the last focused view which is not the DropdownBarView | 176 // Tracks and stores the last focused view which is not the DropdownBarView |
174 // or any of its children. Used to restore focus once the DropdownBarView is | 177 // or any of its children. Used to restore focus once the DropdownBarView is |
175 // closed. | 178 // closed. |
176 scoped_ptr<views::ExternalFocusTracker> focus_tracker_; | 179 scoped_ptr<views::ExternalFocusTracker> focus_tracker_; |
177 | 180 |
178 // Host is the Widget implementation that is created and maintained by the | 181 // Host is the Widget implementation that is created and maintained by the |
179 // dropdown bar. It contains the DropdownBarView. | 182 // dropdown bar. It contains the DropdownBarView. |
180 scoped_ptr<views::Widget> host_; | 183 scoped_ptr<views::Widget> host_; |
181 | 184 |
182 // A flag to manually manage visibility. GTK/X11 is asynchronous and | 185 // A flag to manually manage visibility. GTK/X11 is asynchronous and |
183 // the state of the widget can be out of sync. | 186 // the state of the widget can be out of sync. |
184 bool is_visible_; | 187 bool is_visible_; |
185 | 188 |
186 DISALLOW_COPY_AND_ASSIGN(DropdownBarHost); | 189 DISALLOW_COPY_AND_ASSIGN(DropdownBarHost); |
187 }; | 190 }; |
188 | 191 |
189 #endif // CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ | 192 #endif // CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_ |
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