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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_PEPPER_FLASH_SETTINGS_MANAGER_H_
#define CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
class PluginPrefs;
class PrefService;
namespace content {
class BrowserContext;
}
namespace webkit {
struct WebPluginInfo;
}
// PepperFlashSettingsManager communicates with a PPAPI broker process to
// read/write Pepper Flash settings.
class PepperFlashSettingsManager {
public:
class Client {
public:
virtual ~Client() {}
virtual void OnDeauthorizeContentLicensesCompleted(uint32 request_id,
bool success) = 0;
};
// |client| must outlive this object. It is guaranteed that |client| won't
// receive any notifications after this object goes away.
PepperFlashSettingsManager(Client* client,
content::BrowserContext* browser_context);
~PepperFlashSettingsManager();
// |plugin_info| will be updated if it is not NULL and the method returns
// true.
static bool IsPepperFlashInUse(PluginPrefs* plugin_prefs,
webkit::WebPluginInfo* plugin_info);
static void RegisterUserPrefs(PrefService* prefs);
// Requests to deauthorize content licenses.
// Client::OnDeauthorizeContentLicensesCompleted() will be called when the
// operation is completed.
// The return value is the same as the request ID passed into
// Client::OnDeauthorizeContentLicensesCompleted().
uint32 DeauthorizeContentLicenses();
private:
// Core does most of the work. It is ref-counted so that its lifespan can be
// independent of the containing object's:
// - The manager can be deleted on the UI thread while the core still being
// used on the I/O thread.
// - The manager can delete the core when it encounters errors and create
// another one to handle new requests.
class Core;
uint32 GetNextRequestId();
void EnsureCoreExists();
// Notified by |core_| when an error occurs.
void OnError();
// |client_| is not owned by this object and must outlive it.
Client* client_;
// The browser context for the profile.
content::BrowserContext* browser_context_;
scoped_refptr<Core> core_;
uint32 next_request_id_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashSettingsManager);
};
#endif // CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_
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