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| 1 // Copyright (c) 2013 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 CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_H_ | |
| 6 #define CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_H_ | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 | |
| 10 class Panel; | |
| 11 class StackedPanelCollection; | |
| 12 namespace gfx { | |
| 13 class Rect; | |
| 14 } | |
| 15 | |
| 16 // An interface that encapsulates the platform-specific behaviors that are | |
| 17 // needed to support multiple panels that are stacked together. A native | |
| 18 // window might be created to enclose all the panels in the stack. The lifetime | |
| 19 // of the class that implements this interface is managed by itself. | |
| 20 class NativePanelStack { | |
| 21 public: | |
| 22 // Creates and returns a NativePanelStack instance whose lifetime is managed | |
| 23 // by itself and it will be valid until Close is called. NativePanelStack | |
| 24 // also owns the StackedPanelCollection instance being passed here. | |
| 25 static NativePanelStack* Create(scoped_ptr<StackedPanelCollection> stack); | |
| 26 | |
| 27 virtual ~NativePanelStack() {} | |
| 28 | |
| 29 virtual bool IsMinimized() const = 0; | |
| 30 | |
| 31 protected: | |
| 32 friend class StackedPanelCollection; | |
| 33 | |
| 34 // Called when the stack is to be closed. This will destruct the | |
| 35 // NativePanelStack instance which causes the StackedPanelCollection | |
| 36 // instance to be also destructed since the former owns the later. | |
| 37 virtual void Close() = 0; | |
| 38 | |
| 39 // Called when |panel| is being added to or removed from the stack. | |
| 40 virtual void OnPanelAddedOrRemoved(Panel* panel) = 0; | |
| 41 | |
| 42 // Sets the bounds that is big enough to enclose all panels in the stack. | |
| 43 virtual void SetBounds(const gfx::Rect& bounds) = 0; | |
| 44 | |
| 45 // Minimizes all the panels in the stack as a whole via system. | |
| 46 virtual void Minimize() = 0; | |
| 47 | |
| 48 // Draws or clears the attention via system. The system might choose to | |
| 49 // flash the taskbar icon for attention. | |
| 50 virtual void DrawSystemAttention(bool draw_attention) = 0; | |
| 51 }; | |
| 52 | |
| 53 #endif // CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_H_ | |
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