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// Copyright 2013 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_ASH_LAUNCHER_BROWSER_STATUS_MONITOR_H_
#define CHROME_BROWSER_UI_ASH_LAUNCHER_BROWSER_STATUS_MONITOR_H_
#include <map>
#include <string>
#include "ash/launcher/scoped_observer_with_duplicated_sources.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/scoped_observer.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "ui/aura/client/activation_change_observer.h"
#include "ui/aura/window_observer.h"
#include "ui/gfx/display_observer.h"
namespace aura {
class Window;
namespace client {
class ActivationClient;
}
} // namespace aura
class Browser;
class ChromeLauncherController;
// BrowserStatusMonitor monitors creation/deletion of Browser and its
// TabStripModel to keep the launcher representation up to date as the
// active tab changes.
class BrowserStatusMonitor : public aura::client::ActivationChangeObserver,
public aura::WindowObserver,
public chrome::BrowserListObserver,
public gfx::DisplayObserver,
public TabStripModelObserver {
public:
explicit BrowserStatusMonitor(ChromeLauncherController* launcher_controller);
virtual ~BrowserStatusMonitor();
// aura::client::ActivationChangeObserver overrides:
virtual void OnWindowActivated(aura::Window* gained_active,
aura::Window* lost_active) OVERRIDE;
// aura::WindowObserver overrides:
virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
// chrome::BrowserListObserver overrides:
virtual void OnBrowserAdded(Browser* browser) OVERRIDE;
virtual void OnBrowserRemoved(Browser* browser) OVERRIDE;
// gfx::DisplayObserver overrides:
virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE;
virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;
// TabStripModelObserver overrides:
virtual void ActiveTabChanged(content::WebContents* old_contents,
content::WebContents* new_contents,
int index,
int reason) OVERRIDE;
virtual void TabInsertedAt(content::WebContents* contents,
int index,
bool foreground) OVERRIDE;
virtual void TabDetachedAt(content::WebContents* contents,
int index) OVERRIDE;
virtual void TabChangedAt(
content::WebContents* contents,
int index,
TabStripModelObserver::TabChangeType change_type) OVERRIDE;
virtual void TabReplacedAt(TabStripModel* tab_strip_model,
content::WebContents* old_contents,
content::WebContents* new_contents,
int index) OVERRIDE;
private:
typedef std::map<Browser*, std::string> BrowserToAppIDMap;
// Update app state for |contents|.
void UpdateAppState(content::WebContents* contents);
ChromeLauncherController* launcher_controller_;
// Hold all observed activation clients.
ScopedObserverWithDuplicatedSources<aura::client::ActivationClient,
aura::client::ActivationChangeObserver> observed_activation_clients_;
// Hold all observed root windows.
ScopedObserver<aura::Window, aura::WindowObserver> observed_root_windows_;
BrowserToAppIDMap browser_to_app_id_map_;
DISALLOW_COPY_AND_ASSIGN(BrowserStatusMonitor);
};
#endif // CHROME_BROWSER_UI_ASH_LAUNCHER_BROWSER_STATUS_MONITOR_H_
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