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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 APPS_SHELL_WINDOW_REGISTRY_H_
#define APPS_SHELL_WINDOW_REGISTRY_H_
#include <list>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "base/observer_list.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
class BrowserContext;
class DevToolsAgentHost;
class RenderViewHost;
}
namespace apps {
class ShellWindow;
// The ShellWindowRegistry tracks the ShellWindows for all platform apps for a
// particular browser context.
class ShellWindowRegistry : public BrowserContextKeyedService {
public:
class Observer {
public:
// Called just after a shell window was added.
virtual void OnShellWindowAdded(apps::ShellWindow* shell_window) = 0;
// Called when the window icon changes.
virtual void OnShellWindowIconChanged(apps::ShellWindow* shell_window) = 0;
// Called just after a shell window was removed.
virtual void OnShellWindowRemoved(apps::ShellWindow* shell_window) = 0;
protected:
virtual ~Observer() {}
};
typedef std::list<apps::ShellWindow*> ShellWindowList;
typedef ShellWindowList::const_iterator const_iterator;
typedef std::set<std::string> InspectedWindowSet;
explicit ShellWindowRegistry(content::BrowserContext* context);
virtual ~ShellWindowRegistry();
// Returns the instance for the given browser context, or NULL if none. This
// is a convenience wrapper around
// ShellWindowRegistry::Factory::GetForBrowserContext().
static ShellWindowRegistry* Get(content::BrowserContext* context);
void AddShellWindow(apps::ShellWindow* shell_window);
void ShellWindowIconChanged(apps::ShellWindow* shell_window);
// Called by |shell_window| when it is activated.
void ShellWindowActivated(apps::ShellWindow* shell_window);
void RemoveShellWindow(apps::ShellWindow* shell_window);
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
// Returns a set of windows owned by the application identified by app_id.
ShellWindowList GetShellWindowsForApp(const std::string& app_id) const;
const ShellWindowList& shell_windows() const { return shell_windows_; }
// Close all shell windows associated with an app.
void CloseAllShellWindowsForApp(const std::string& app_id);
// Helper functions to find shell windows with particular attributes.
apps::ShellWindow* GetShellWindowForRenderViewHost(
content::RenderViewHost* render_view_host) const;
apps::ShellWindow* GetShellWindowForNativeWindow(
gfx::NativeWindow window) const;
// Returns an app window for the given app, or NULL if no shell windows are
// open. If there is a window for the given app that is active, that one will
// be returned, otherwise an arbitrary window will be returned.
apps::ShellWindow* GetCurrentShellWindowForApp(
const std::string& app_id) const;
// Returns an app window for the given app and window key, or NULL if no shell
// window with the key are open. If there is a window for the given app and
// key that is active, that one will be returned, otherwise an arbitrary
// window will be returned.
apps::ShellWindow* GetShellWindowForAppAndKey(
const std::string& app_id,
const std::string& window_key) const;
// Returns whether a ShellWindow's ID was last known to have a DevToolsAgent
// attached to it, which should be restored during a reload of a corresponding
// newly created |render_view_host|.
bool HadDevToolsAttached(content::RenderViewHost* render_view_host) const;
// Returns the shell window for |window|, looking in all browser contexts.
static apps::ShellWindow* GetShellWindowForNativeWindowAnyProfile(
gfx::NativeWindow window);
// Returns true if the number of shell windows registered across all browser
// contexts is non-zero. |window_type_mask| is a bitwise OR filter of
// ShellWindow::WindowType, or 0 for any window type.
static bool IsShellWindowRegisteredInAnyProfile(int window_type_mask);
class Factory : public BrowserContextKeyedServiceFactory {
public:
static ShellWindowRegistry* GetForBrowserContext(
content::BrowserContext* context, bool create);
static Factory* GetInstance();
private:
friend struct DefaultSingletonTraits<Factory>;
Factory();
virtual ~Factory();
// BrowserContextKeyedServiceFactory
virtual BrowserContextKeyedService* BuildServiceInstanceFor(
content::BrowserContext* context) const OVERRIDE;
virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
virtual content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const OVERRIDE;
};
protected:
void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
private:
// Ensures the specified |shell_window| is included in |shell_windows_|.
// Otherwise adds |shell_window| to the back of |shell_windows_|.
void AddShellWindowToList(apps::ShellWindow* shell_window);
// Bring |shell_window| to the front of |shell_windows_|. If it is not in the
// list, add it first.
void BringToFront(apps::ShellWindow* shell_window);
content::BrowserContext* context_;
ShellWindowList shell_windows_;
InspectedWindowSet inspected_windows_;
ObserverList<Observer> observers_;
base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
};
} // namespace extensions
#endif // APPS_SHELL_WINDOW_REGISTRY_H_
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