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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_EXTENSIONS_SHELL_WINDOW_REGISTRY_H_
#define CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_REGISTRY_H_
#pragma once
#include <set>
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "base/observer_list.h"
#include "chrome/browser/profiles/profile_keyed_service.h"
#include "chrome/browser/profiles/profile_keyed_service_factory.h"
#include "ui/gfx/native_widget_types.h"
class Profile;
class ShellWindow;
namespace content {
class RenderViewHost;
}
// The ShellWindowRegistry tracks the ShellWindows for all platform apps for a
// particular profile.
// This class is planned to evolve into tracking all PlatformApps for a
// particular profile, with a PlatformApp encapsulating all views (background
// page, shell windows, tray view, panels etc.) and other app level behaviour
// (e.g. notifications the app is interested in, lifetime of the background
// page).
class ShellWindowRegistry : public ProfileKeyedService {
public:
class Observer {
public:
// Called just after a shell window was added.
virtual void OnShellWindowAdded(ShellWindow* shell_window) = 0;
// Called just after a shell window was removed.
virtual void OnShellWindowRemoved(ShellWindow* shell_window) = 0;
protected:
virtual ~Observer() {}
};
typedef std::set<ShellWindow*> ShellWindowSet;
typedef ShellWindowSet::const_iterator const_iterator;
ShellWindowRegistry();
virtual ~ShellWindowRegistry();
// Returns the instance for the given profile, or NULL if none. This is
// a convenience wrapper around ShellWindowRegistryFactory::GetForProfile.
static ShellWindowRegistry* Get(Profile* profile);
void AddShellWindow(ShellWindow* shell_window);
void RemoveShellWindow(ShellWindow* shell_window);
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
// Returns a set of windows owned by the application identified by app_id.
ShellWindowSet GetShellWindowsForApp(const std::string app_id) const;
const ShellWindowSet& shell_windows() const { return shell_windows_; }
// Helper functions to find shell windows with particular attributes.
ShellWindow* GetShellWindowForRenderViewHost(
content::RenderViewHost* render_view_host) const;
ShellWindow* GetShellWindowForNativeWindow(gfx::NativeWindow window) const;
private:
class Factory : public ProfileKeyedServiceFactory {
public:
static ShellWindowRegistry* GetForProfile(Profile* profile);
static Factory* GetInstance();
private:
friend struct DefaultSingletonTraits<Factory>;
Factory();
virtual ~Factory();
// ProfileKeyedServiceFactory
virtual ProfileKeyedService* BuildServiceInstanceFor(
Profile* profile) const OVERRIDE;
virtual bool ServiceIsCreatedWithProfile() OVERRIDE;
virtual bool ServiceIsNULLWhileTesting() OVERRIDE;
};
ShellWindowSet shell_windows_;
ObserverList<Observer> observers_;
};
#endif // CHROME_BROWSER_EXTENSIONS_SHELL_WINDOW_REGISTRY_H_
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