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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 ASH_LAUNCHER_LAUNCHER_H_
#define ASH_LAUNCHER_LAUNCHER_H_
#include "ash/ash_export.h"
#include "ash/launcher/launcher_types.h"
#include "ash/shelf/shelf_types.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/size.h"
#include "ui/views/widget/widget_observer.h"
namespace app_list {
class ApplicationDragAndDropHost;
}
namespace aura {
class Window;
}
namespace gfx {
class Rect;
}
namespace views {
class View;
}
namespace ash {
namespace internal {
class FocusCycler;
class ShelfLayoutManager;
class ShelfView;
}
namespace test {
class LauncherTestAPI;
}
class LauncherDelegate;
class ShelfIconObserver;
class ShelfModel;
class ShelfWidget;
class ASH_EXPORT Launcher {
public:
static const char kNativeViewName[];
Launcher(ShelfModel* shelf_model,
LauncherDelegate* launcher_delegate,
ShelfWidget* shelf_widget);
virtual ~Launcher();
// Return the launcher for the primary display. NULL if no user is
// logged in yet.
static Launcher* ForPrimaryDisplay();
// Return the launcher for the display that |window| is currently on,
// or a launcher on primary display if the launcher per display feature
// is disabled. NULL if no user is logged in yet.
static Launcher* ForWindow(aura::Window* window);
void SetAlignment(ShelfAlignment alignment);
ShelfAlignment alignment() const { return alignment_; }
// Returns the screen bounds of the item for the specified window. If there is
// no item for the specified window an empty rect is returned.
gfx::Rect GetScreenBoundsOfItemIconForWindow(aura::Window* window);
// Updates the icon position given the current window bounds. This is used
// when dragging panels to reposition them with respect to the other panels.
void UpdateIconPositionForWindow(aura::Window* window);
// Activates the the launcher item specified by the index in the list
// of launcher items.
void ActivateLauncherItem(int index);
// Cycles the window focus linearly over the current launcher items.
void CycleWindowLinear(CycleDirection direction);
void AddIconObserver(ShelfIconObserver* observer);
void RemoveIconObserver(ShelfIconObserver* observer);
// Returns true if the Launcher is showing a context menu.
bool IsShowingMenu() const;
bool IsShowingOverflowBubble() const;
void SetVisible(bool visible) const;
bool IsVisible() const;
void SchedulePaint();
views::View* GetAppListButtonView() const;
// Launch a 0-indexed launcher item in the Launcher.
// A negative index launches the last launcher item in the launcher.
void LaunchAppIndexAt(int item_index);
ShelfWidget* shelf_widget() { return shelf_widget_; }
// Set the bounds of the shelf view.
void SetShelfViewBounds(gfx::Rect bounds);
gfx::Rect GetShelfViewBounds() const;
// Returns rectangle bounding all visible launcher items. Used screen
// coordinate system.
gfx::Rect GetVisibleItemsBoundsInScreen() const;
// Returns ApplicationDragAndDropHost for this Launcher.
app_list::ApplicationDragAndDropHost* GetDragAndDropHostForAppList();
private:
friend class ash::test::LauncherTestAPI;
// ShelfView used to display icons.
internal::ShelfView* shelf_view_;
ShelfAlignment alignment_;
LauncherDelegate* delegate_;
ShelfWidget* shelf_widget_;
DISALLOW_COPY_AND_ASSIGN(Launcher);
};
} // namespace ash
#endif // ASH_LAUNCHER_LAUNCHER_H_
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