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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_
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "ppapi/c/private/ppp_flash_browser_operations.h"
#include "ppapi/shared_impl/ppp_flash_browser_operations_shared.h"
class PluginPrefs;
class PrefService;
namespace content {
class BrowserContext;
struct WebPluginInfo;
}
namespace user_prefs {
class PrefRegistrySyncable;
}
// 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_t request_id,
bool success) {}
virtual void OnGetPermissionSettingsCompleted(
uint32_t request_id,
bool success,
PP_Flash_BrowserOperations_Permission default_permission,
const ppapi::FlashSiteSettings& sites) {}
virtual void OnSetDefaultPermissionCompleted(uint32_t request_id,
bool success) {}
virtual void OnSetSitePermissionCompleted(uint32_t request_id,
bool success) {}
virtual void OnGetSitesWithDataCompleted(
uint32_t request_id,
const std::vector<std::string>& sites) {}
virtual void OnClearSiteDataCompleted(uint32_t request_id, bool success) {}
};
// |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,
content::WebPluginInfo* plugin_info);
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// 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_t DeauthorizeContentLicenses(PrefService* prefs);
// Gets permission settings.
// Client::OnGetPermissionSettingsCompleted() will be called when the
// operation is completed.
uint32_t GetPermissionSettings(
PP_Flash_BrowserOperations_SettingType setting_type);
// Sets default permission.
// Client::OnSetDefaultPermissionCompleted() will be called when the
// operation is completed.
uint32_t SetDefaultPermission(
PP_Flash_BrowserOperations_SettingType setting_type,
PP_Flash_BrowserOperations_Permission permission,
bool clear_site_specific);
// Sets site-specific permission.
// Client::OnSetSitePermissionCompleted() will be called when the operation
// is completed.
uint32_t SetSitePermission(
PP_Flash_BrowserOperations_SettingType setting_type,
const ppapi::FlashSiteSettings& sites);
// Gets a list of sites that have stored data.
// Client::OnGetSitesWithDataCompleted() will be called when the operation is
// completed.
uint32_t GetSitesWithData();
// Clears data for a certain site.
// Client::OnClearSiteDataompleted() will be called when the operation is
// completed.
uint32_t ClearSiteData(const std::string& site,
uint64_t flags,
uint64_t max_age);
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_t GetNextRequestId();
void EnsureCoreExists();
// Notifies us that an error occurred in |core|.
void OnError(Core* core);
// |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_t next_request_id_;
base::WeakPtrFactory<PepperFlashSettingsManager> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(PepperFlashSettingsManager);
};
#endif // CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_
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