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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 CHROME_BROWSER_UI_PANELS_DETACHED_PANEL_STRIP_H_
#define CHROME_BROWSER_UI_PANELS_DETACHED_PANEL_STRIP_H_
#pragma once
#include <set>
#include "base/basictypes.h"
#include "chrome/browser/ui/panels/panel.h"
#include "chrome/browser/ui/panels/panel_strip.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
class Browser;
class PanelManager;
// This class manages a group of free-floating panels.
class DetachedPanelStrip : public PanelStrip {
public:
typedef std::set<Panel*> Panels;
explicit DetachedPanelStrip(PanelManager* panel_manager);
virtual ~DetachedPanelStrip();
// PanelStrip OVERRIDES:
virtual gfx::Rect GetDisplayArea() const OVERRIDE;
virtual void SetDisplayArea(const gfx::Rect& display_area) OVERRIDE;
virtual void RefreshLayout() OVERRIDE;
virtual void AddPanel(Panel* panel,
PositioningMask positioning_mask) OVERRIDE;
virtual void RemovePanel(Panel* panel) OVERRIDE;
virtual void CloseAll() OVERRIDE;
virtual void ResizePanelWindow(
Panel* panel,
const gfx::Size& preferred_window_size) OVERRIDE;
virtual panel::Resizability GetPanelResizability(
const Panel* panel) const OVERRIDE;
virtual void OnPanelResizedByMouse(Panel* panel,
const gfx::Rect& new_bounds) OVERRIDE;
virtual void OnPanelAttentionStateChanged(Panel* panel) OVERRIDE;
virtual void OnPanelTitlebarClicked(Panel* panel,
panel::ClickModifier modifier) OVERRIDE;
virtual void ActivatePanel(Panel* panel) OVERRIDE;
virtual void MinimizePanel(Panel* panel) OVERRIDE;
virtual void RestorePanel(Panel* panel) OVERRIDE;
virtual void MinimizeAll() OVERRIDE;
virtual void RestoreAll() OVERRIDE;
virtual bool CanMinimizePanel(const Panel* panel) const OVERRIDE;
virtual bool IsPanelMinimized(const Panel* panel) const OVERRIDE;
virtual void SavePanelPlacement(Panel* panel) OVERRIDE;
virtual void RestorePanelToSavedPlacement() OVERRIDE;
virtual void DiscardSavedPanelPlacement() OVERRIDE;
virtual void StartDraggingPanelWithinStrip(Panel* panel) OVERRIDE;
virtual void DragPanelWithinStrip(Panel* panel,
const gfx::Point& target_position) OVERRIDE;
virtual void EndDraggingPanelWithinStrip(Panel* panel,
bool aborted) OVERRIDE;
virtual void ClearDraggingStateWhenPanelClosed() OVERRIDE;
virtual void UpdatePanelOnStripChange(Panel* panel) OVERRIDE;
virtual void OnPanelActiveStateChanged(Panel* panel) OVERRIDE;
bool HasPanel(Panel* panel) const;
int num_panels() const { return panels_.size(); }
const Panels& panels() const { return panels_; }
private:
struct PanelPlacement {
Panel* panel;
gfx::Point position;
PanelPlacement() : panel(NULL) { }
};
PanelManager* panel_manager_; // Weak, owns us.
// All panels in the panel strip must fit within this area.
gfx::Rect display_area_;
// Collection of all panels.
Panels panels_;
// Used to save the placement information for a panel.
PanelPlacement saved_panel_placement_;
DISALLOW_COPY_AND_ASSIGN(DetachedPanelStrip);
};
#endif // CHROME_BROWSER_UI_PANELS_DETACHED_PANEL_STRIP_H_
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