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// Copyright (c) 2011 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 CONTENT_BROWSER_RESOURCE_CONTEXT_H_
#define CONTENT_BROWSER_RESOURCE_CONTEXT_H_
#include <map>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "content/browser/download/download_manager.h"
class ChromeAppCacheService;
class ChromeBlobStorageContext;
class ExtensionInfoMap;
class HostZoomMap;
class MediaObserver;
namespace fileapi {
class FileSystemContext;
} // namespace fileapi
namespace media_stream {
class MediaStreamManager;
} // namespace media_stream
namespace net {
class HostResolver;
class URLRequestContext;
} // namespace net
namespace prerender {
class PrerenderManager;
} // namespace prerender
namespace quota {
class QuotaManager;
}; // namespace quota
namespace webkit_database {
class DatabaseTracker;
} // namespace webkit_database
namespace content {
// ResourceContext contains the relevant context information required for
// resource loading. It lives on the IO thread, although it is constructed on
// the UI thread. ResourceContext doesn't own anything it points to, it just
// holds pointers to relevant objects to resource loading.
class CONTENT_EXPORT ResourceContext {
public:
virtual ~ResourceContext();
// The user data allows the clients to associate data with this request.
// Multiple user data values can be stored under different keys.
void* GetUserData(const void* key) const;
void SetUserData(const void* key, void* data);
net::HostResolver* host_resolver() const;
void set_host_resolver(net::HostResolver* host_resolver);
net::URLRequestContext* request_context() const;
void set_request_context(net::URLRequestContext* request_context);
ChromeAppCacheService* appcache_service() const;
void set_appcache_service(ChromeAppCacheService* service);
webkit_database::DatabaseTracker* database_tracker() const;
void set_database_tracker(webkit_database::DatabaseTracker* tracker);
fileapi::FileSystemContext* file_system_context() const;
void set_file_system_context(fileapi::FileSystemContext* context);
ChromeBlobStorageContext* blob_storage_context() const;
void set_blob_storage_context(ChromeBlobStorageContext* context);
quota::QuotaManager* quota_manager() const;
void set_quota_manager(quota::QuotaManager* quota_manager);
HostZoomMap* host_zoom_map() const;
void set_host_zoom_map(HostZoomMap* host_zoom_map);
MediaObserver* media_observer() const;
void set_media_observer(MediaObserver* media_observer);
// TODO(benjhayden): Promote GetNextIdThunkType to a separate object.
const DownloadManager::GetNextIdThunkType& next_download_id_thunk() const;
void set_next_download_id_thunk(
const DownloadManager::GetNextIdThunkType& thunk);
media_stream::MediaStreamManager* media_stream_manager() const;
void set_media_stream_manager(
media_stream::MediaStreamManager* media_stream_manager);
// =======================================================================
// TODO(willchan): These don't belong in content/. Remove them eventually.
// TODO(cbentzel): Kill this one.
const base::Callback<prerender::PrerenderManager*(void)>&
prerender_manager_getter() const;
void set_prerender_manager_getter(
const base::Callback<prerender::PrerenderManager*(void)>&
prerender_manager_getter);
protected:
ResourceContext();
private:
virtual void EnsureInitialized() const = 0;
net::HostResolver* host_resolver_;
net::URLRequestContext* request_context_;
ChromeAppCacheService* appcache_service_;
webkit_database::DatabaseTracker* database_tracker_;
fileapi::FileSystemContext* file_system_context_;
ChromeBlobStorageContext* blob_storage_context_;
quota::QuotaManager* quota_manager_;
HostZoomMap* host_zoom_map_;
MediaObserver* media_observer_;
DownloadManager::GetNextIdThunkType next_download_id_thunk_;
media_stream::MediaStreamManager* media_stream_manager_;
// Externally-defined data accessible by key.
typedef std::map<const void*, void*> UserDataMap;
UserDataMap user_data_;
// =======================================================================
// TODO(willchan): These don't belong in content/. Remove them eventually.
base::Callback<prerender::PrerenderManager*(void)> prerender_manager_getter_;
DISALLOW_COPY_AND_ASSIGN(ResourceContext);
};
} // namespace content
#endif // CONTENT_BROWSER_RESOURCE_CONTEXT_H_
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