| // 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_COMMON_QUOTA_DISPATCHER_H_ |
| #define CONTENT_COMMON_QUOTA_DISPATCHER_H_ |
| |
| #include <map> |
| #include <set> |
| |
| #include "base/basictypes.h" |
| #include "base/id_map.h" |
| #include "ipc/ipc_listener.h" |
| #include "webkit/quota/quota_types.h" |
| |
| class GURL; |
| |
| namespace IPC { |
| class Message; |
| } |
| |
| namespace WebKit { |
| class WebStorageQuotaCallbacks; |
| } |
| |
| // Dispatches and sends quota related messages sent to/from a child |
| // process from/to the main browser process. There is one instance |
| // per child process. Messages are dispatched on the main child thread. |
| class QuotaDispatcher : public IPC::Listener { |
| public: |
| class Callback { |
| public: |
| virtual ~Callback() {} |
| virtual void DidQueryStorageUsageAndQuota(int64 usage, int64 quota) = 0; |
| virtual void DidGrantStorageQuota(int64 granted_quota) = 0; |
| virtual void DidFail(quota::QuotaStatusCode status) = 0; |
| }; |
| |
| QuotaDispatcher(); |
| virtual ~QuotaDispatcher(); |
| |
| // IPC::Listener implementation. |
| virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; |
| |
| void QueryStorageUsageAndQuota(const GURL& gurl, |
| quota::StorageType type, |
| Callback* callback); |
| void RequestStorageQuota(int render_view_id, |
| const GURL& gurl, |
| quota::StorageType type, |
| int64 requested_size, |
| Callback* callback); |
| |
| // Creates a new Callback instance for WebStorageQuotaCallbacks. |
| static Callback* CreateWebStorageQuotaCallbacksWrapper( |
| WebKit::WebStorageQuotaCallbacks* callbacks); |
| |
| private: |
| // Message handlers. |
| void DidQueryStorageUsageAndQuota(int request_id, |
| int64 current_usage, |
| int64 current_quota); |
| void DidGrantStorageQuota(int request_id, |
| int64 granted_quota); |
| void DidFail(int request_id, quota::QuotaStatusCode error); |
| |
| IDMap<Callback, IDMapOwnPointer> pending_quota_callbacks_; |
| |
| DISALLOW_COPY_AND_ASSIGN(QuotaDispatcher); |
| }; |
| |
| #endif // CONTENT_COMMON_QUOTA_DISPATCHER_H_ |