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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_BASE_BASE_WINDOW_H_ | |
| 6 #define UI_BASE_BASE_WINDOW_H_ | |
| 7 | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "ui/base/ui_base_types.h" // WindowShowState | |
| 10 #include "ui/gfx/native_widget_types.h" | |
| 11 | |
| 12 namespace gfx { | |
| 13 class Rect; | |
| 14 } | |
| 15 | |
| 16 class SkRegion; | |
| 17 | |
| 18 namespace ui { | |
| 19 | |
| 20 // Provides an interface to perform actions on windows, and query window | |
| 21 // state. | |
| 22 class UI_BASE_EXPORT BaseWindow { | |
| 23 public: | |
| 24 // Returns true if the window is currently the active/focused window. | |
| 25 virtual bool IsActive() const = 0; | |
| 26 | |
| 27 // Returns true if the window is maximized (aka zoomed). | |
| 28 virtual bool IsMaximized() const = 0; | |
| 29 | |
| 30 // Returns true if the window is minimized. | |
| 31 virtual bool IsMinimized() const = 0; | |
| 32 | |
| 33 // Returns true if the window is full screen. | |
| 34 virtual bool IsFullscreen() const = 0; | |
| 35 | |
| 36 // Returns true if the window is fully restored (not Fullscreen, Maximized, | |
| 37 // Minimized). | |
| 38 static bool IsRestored(const BaseWindow& window); | |
| 39 | |
| 40 // Return a platform dependent identifier for this window. | |
| 41 virtual gfx::NativeWindow GetNativeWindow() = 0; | |
| 42 | |
| 43 // Returns the nonmaximized bounds of the window (even if the window is | |
| 44 // currently maximized or minimized) in terms of the screen coordinates. | |
| 45 virtual gfx::Rect GetRestoredBounds() const = 0; | |
| 46 | |
| 47 // Returns the restore state for the window (platform dependent). | |
| 48 virtual ui::WindowShowState GetRestoredState() const = 0; | |
| 49 | |
| 50 // Retrieves the window's current bounds, including its window. | |
| 51 // This will only differ from GetRestoredBounds() for maximized | |
| 52 // and minimized windows. | |
| 53 virtual gfx::Rect GetBounds() const = 0; | |
| 54 | |
| 55 // Shows the window, or activates it if it's already visible. | |
| 56 virtual void Show() = 0; | |
| 57 | |
| 58 // Hides the window. | |
| 59 virtual void Hide() = 0; | |
| 60 | |
| 61 // Show the window, but do not activate it. Does nothing if window | |
| 62 // is already visible. | |
| 63 virtual void ShowInactive() = 0; | |
| 64 | |
| 65 // Closes the window as soon as possible. The close action may be delayed | |
| 66 // if an operation is in progress (e.g. a drag operation). | |
| 67 virtual void Close() = 0; | |
| 68 | |
| 69 // Activates (brings to front) the window. Restores the window from minimized | |
| 70 // state if necessary. | |
| 71 virtual void Activate() = 0; | |
| 72 | |
| 73 // Deactivates the window, making the next window in the Z order the active | |
| 74 // window. | |
| 75 virtual void Deactivate() = 0; | |
| 76 | |
| 77 // Maximizes/minimizes/restores the window. | |
| 78 virtual void Maximize() = 0; | |
| 79 virtual void Minimize() = 0; | |
| 80 virtual void Restore() = 0; | |
| 81 | |
| 82 // Sets the window's size and position to the specified values. | |
| 83 virtual void SetBounds(const gfx::Rect& bounds) = 0; | |
| 84 | |
| 85 // Flashes the taskbar item associated with this window. | |
| 86 // Set |flash| to true to initiate flashing, false to stop flashing. | |
| 87 virtual void FlashFrame(bool flash) = 0; | |
| 88 | |
| 89 // Returns true if a window is set to be always on top. | |
| 90 virtual bool IsAlwaysOnTop() const = 0; | |
| 91 | |
| 92 // If set to true, the window will stay on top of other windows which do not | |
| 93 // have this flag enabled. | |
| 94 virtual void SetAlwaysOnTop(bool always_on_top) = 0; | |
| 95 }; | |
| 96 | |
| 97 } // namespace ui | |
| 98 | |
| 99 #endif // UI_BASE_BASE_WINDOW_H_ | |
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