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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_BASE_BASE_WINDOW_H_
#define UI_BASE_BASE_WINDOW_H_
#include "base/compiler_specific.h"
#include "ui/base/ui_base_types.h" // WindowShowState
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Rect;
}
class SkRegion;
namespace ui {
// Provides an interface to perform actions on windows, and query window
// state.
class UI_BASE_EXPORT BaseWindow {
public:
// Returns true if the window is currently the active/focused window.
virtual bool IsActive() const = 0;
// Returns true if the window is maximized (aka zoomed).
virtual bool IsMaximized() const = 0;
// Returns true if the window is minimized.
virtual bool IsMinimized() const = 0;
// Returns true if the window is full screen.
virtual bool IsFullscreen() const = 0;
// Returns true if the window is fully restored (not Fullscreen, Maximized,
// Minimized).
static bool IsRestored(const BaseWindow& window);
// Return a platform dependent identifier for this window.
virtual gfx::NativeWindow GetNativeWindow() const = 0;
// Returns the nonmaximized bounds of the window (even if the window is
// currently maximized or minimized) in terms of the screen coordinates.
virtual gfx::Rect GetRestoredBounds() const = 0;
// Returns the restore state for the window (platform dependent).
virtual ui::WindowShowState GetRestoredState() const = 0;
// Retrieves the window's current bounds, including its window.
// This will only differ from GetRestoredBounds() for maximized
// and minimized windows.
virtual gfx::Rect GetBounds() const = 0;
// Shows the window, or activates it if it's already visible.
virtual void Show() = 0;
// Hides the window.
virtual void Hide() = 0;
// Show the window, but do not activate it. Does nothing if window
// is already visible.
virtual void ShowInactive() = 0;
// Closes the window as soon as possible. The close action may be delayed
// if an operation is in progress (e.g. a drag operation).
virtual void Close() = 0;
// Activates (brings to front) the window. Restores the window from minimized
// state if necessary.
virtual void Activate() = 0;
// Deactivates the window, making the next window in the Z order the active
// window.
virtual void Deactivate() = 0;
// Maximizes/minimizes/restores the window.
virtual void Maximize() = 0;
virtual void Minimize() = 0;
virtual void Restore() = 0;
// Sets the window's size and position to the specified values.
virtual void SetBounds(const gfx::Rect& bounds) = 0;
// Flashes the taskbar item associated with this window.
// Set |flash| to true to initiate flashing, false to stop flashing.
virtual void FlashFrame(bool flash) = 0;
// Returns true if a window is set to be always on top.
virtual bool IsAlwaysOnTop() const = 0;
// If set to true, the window will stay on top of other windows which do not
// have this flag enabled.
virtual void SetAlwaysOnTop(bool always_on_top) = 0;
};
} // namespace ui
#endif // UI_BASE_BASE_WINDOW_H_