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_WINDOW_H_ 6 #define CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_WINDOW_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "base/strings/string16.h" 10 11 class Panel; 12 namespace gfx { 13 class Rect; 14 class Vector2d; 15 } 16 17 class NativePanelStackWindowDelegate { 18 public: 19 // Returns the title representing the whole stack. 20 virtual string16 GetTitle() const = 0; 21 22 // Called when the batch bounds update is completed, i.e. animation ends. 23 virtual void PanelBoundsBatchUpdateCompleted() = 0; 24 }; 25 26 // An interface that encapsulates the platform-specific behaviors that are 27 // needed to support multiple panels that are stacked together. A native 28 // window might be created to enclose all the panels in the stack. The lifetime 29 // of the class that implements this interface is managed by itself. 30 class NativePanelStackWindow { 31 public: 32 // Creates and returns a NativePanelStackWindow instance. Calling Close() will 33 // destruct the instance. 34 static NativePanelStackWindow* Create( 35 NativePanelStackWindowDelegate* delegate); 36 37 virtual ~NativePanelStackWindow() {} 38 39 virtual bool IsMinimized() const = 0; 40 41 protected: 42 friend class StackedPanelCollection; 43 44 // Called when the stack is to be closed. This will cause this instance to be 45 // self destructed after the native window closes. 46 virtual void Close() = 0; 47 48 // Makes |panel| be enclosed by this stack window. 49 50 // Adds |panel| to the set of panels grouped and shown inside this stack 51 // Window. It does not take ownership of |panel|. 52 virtual void AddPanel(Panel* panel) = 0; 53 54 // Removes |panel| from the set of panels grouped and shown inside this stack 55 // window. 56 virtual void RemovePanel(Panel* panel) = 0; 57 58 // Merges those panels grouped and shown inside |another| stack window into 59 // the set of panels grouped and shown inside this stack window. 60 virtual void MergeWith(NativePanelStackWindow* another) = 0; 61 62 // Returns true if no panel is being shown inside this stack window. 63 virtual bool IsEmpty() const = 0; 64 65 // Returns true if |panel| is being enclosed by this stack window. 66 virtual bool HasPanel(Panel* panel) const = 0; 67 68 // Moves all panels instantly by |delta|. All the moves should be done 69 // simulatenously. 70 virtual void MovePanelsBy(const gfx::Vector2d& delta) = 0; 71 72 // Changes the bounds of a set of panels synchronously. 73 virtual void BeginBatchUpdatePanelBounds(bool animate) = 0; 74 virtual void AddPanelBoundsForBatchUpdate(Panel* panel, 75 const gfx::Rect& new_bounds) = 0; 76 virtual void EndBatchUpdatePanelBounds() = 0; 77 78 // Returns true if some panels within this stack window are still in the 79 // process of bounds animation. 80 virtual bool IsAnimatingPanelBounds() const = 0; 81 82 // Minimizes all the panels in the stack as a whole via system. 83 virtual void Minimize() = 0; 84 85 // Draws or clears the attention via system. The system might choose to 86 // flash the taskbar icon for attention. 87 virtual void DrawSystemAttention(bool draw_attention) = 0; 88 89 // Called when the panel is activated. 90 virtual void OnPanelActivated(Panel* panel) = 0; 91 }; 92 93 #endif // CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_WINDOW_H_ 94
