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 #include "ui/gfx/image/image.h" 11 12 class Panel; 13 namespace gfx { 14 class Rect; 15 class Vector2d; 16 } 17 18 class NativePanelStackWindowDelegate { 19 public: 20 // Returns the title representing the whole stack. 21 virtual base::string16 GetTitle() const = 0; 22 23 // Returns the icon denoting the whole stack. 24 virtual gfx::Image GetIcon() const = 0; 25 26 // Called when the batch bounds update is completed, i.e. animation ends. 27 virtual void PanelBoundsBatchUpdateCompleted() = 0; 28 }; 29 30 // An interface that encapsulates the platform-specific behaviors that are 31 // needed to support multiple panels that are stacked together. A native 32 // window might be created to enclose all the panels in the stack. The lifetime 33 // of the class that implements this interface is managed by itself. 34 class NativePanelStackWindow { 35 public: 36 // Creates and returns a NativePanelStackWindow instance. Calling Close() will 37 // destruct the instance. 38 static NativePanelStackWindow* Create( 39 NativePanelStackWindowDelegate* delegate); 40 41 virtual ~NativePanelStackWindow() {} 42 43 virtual bool IsMinimized() const = 0; 44 45 protected: 46 friend class StackedPanelCollection; 47 48 // Called when the stack is to be closed. This will cause this instance to be 49 // self destructed after the native window closes. 50 virtual void Close() = 0; 51 52 // Makes |panel| be enclosed by this stack window. 53 54 // Adds |panel| to the set of panels grouped and shown inside this stack 55 // Window. It does not take ownership of |panel|. 56 virtual void AddPanel(Panel* panel) = 0; 57 58 // Removes |panel| from the set of panels grouped and shown inside this stack 59 // window. 60 virtual void RemovePanel(Panel* panel) = 0; 61 62 // Merges those panels grouped and shown inside |another| stack window into 63 // the set of panels grouped and shown inside this stack window. 64 virtual void MergeWith(NativePanelStackWindow* another) = 0; 65 66 // Returns true if no panel is being shown inside this stack window. 67 virtual bool IsEmpty() const = 0; 68 69 // Returns true if |panel| is being enclosed by this stack window. 70 virtual bool HasPanel(Panel* panel) const = 0; 71 72 // Moves all panels instantly by |delta|. All the moves should be done 73 // simulatenously. 74 virtual void MovePanelsBy(const gfx::Vector2d& delta) = 0; 75 76 // Changes the bounds of a set of panels synchronously. 77 virtual void BeginBatchUpdatePanelBounds(bool animate) = 0; 78 virtual void AddPanelBoundsForBatchUpdate(Panel* panel, 79 const gfx::Rect& new_bounds) = 0; 80 virtual void EndBatchUpdatePanelBounds() = 0; 81 82 // Returns true if some panels within this stack window are still in the 83 // process of bounds animation. 84 virtual bool IsAnimatingPanelBounds() const = 0; 85 86 // Minimizes all the panels in the stack as a whole via system. 87 virtual void Minimize() = 0; 88 89 // Draws or clears the attention via system. The system might choose to 90 // flash the taskbar icon for attention. 91 virtual void DrawSystemAttention(bool draw_attention) = 0; 92 93 // Called when the panel is activated. 94 virtual void OnPanelActivated(Panel* panel) = 0; 95 }; 96 97 #endif // CHROME_BROWSER_UI_PANELS_NATIVE_PANEL_STACK_WINDOW_H_ 98
