| // 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 CONTENT_BROWSER_RENDERER_HOST_DATABASE_MESSAGE_FILTER_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_DATABASE_MESSAGE_FILTER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/containers/hash_tables.h" |
| #include "base/strings/string16.h" |
| #include "content/public/browser/browser_message_filter.h" |
| #include "ipc/ipc_platform_file.h" |
| #include "storage/browser/database/database_tracker.h" |
| #include "storage/common/database/database_connections.h" |
| #include "storage/common/quota/quota_types.h" |
| |
| namespace url { |
| class Origin; |
| } // namespace url |
| |
| namespace content { |
| |
| class DatabaseMessageFilter : public BrowserMessageFilter, |
| public storage::DatabaseTracker::Observer { |
| public: |
| explicit DatabaseMessageFilter(storage::DatabaseTracker* db_tracker); |
| |
| // BrowserMessageFilter implementation. |
| void OnChannelClosing() override; |
| void OverrideThreadForMessage(const IPC::Message& message, |
| BrowserThread::ID* thread) override; |
| bool OnMessageReceived(const IPC::Message& message) override; |
| |
| storage::DatabaseTracker* database_tracker() const { |
| return db_tracker_.get(); |
| } |
| |
| private: |
| ~DatabaseMessageFilter() override; |
| |
| class PromptDelegate; |
| |
| void AddObserver(); |
| void RemoveObserver(); |
| |
| // VFS message handlers (file thread) |
| void OnDatabaseOpenFile(const base::string16& vfs_file_name, |
| int desired_flags, |
| IPC::PlatformFileForTransit* handle); |
| void OnDatabaseDeleteFile(const base::string16& vfs_file_name, |
| const bool& sync_dir, |
| IPC::Message* reply_msg); |
| void OnDatabaseGetFileAttributes(const base::string16& vfs_file_name, |
| int32_t* attributes); |
| void OnDatabaseGetFileSize(const base::string16& vfs_file_name, |
| int64_t* size); |
| void OnDatabaseSetFileSize(const base::string16& vfs_file_name, |
| int64_t size, |
| bool* success); |
| |
| // Quota message handler (io thread) |
| void OnDatabaseGetSpaceAvailable(const url::Origin& origin, |
| IPC::Message* reply_msg); |
| void OnDatabaseGetUsageAndQuota(IPC::Message* reply_msg, |
| storage::QuotaStatusCode status, |
| int64_t usage, |
| int64_t quota); |
| |
| // Database tracker message handlers (file thread) |
| void OnDatabaseOpened(const url::Origin& origin, |
| const base::string16& database_name, |
| const base::string16& description, |
| int64_t estimated_size); |
| void OnDatabaseModified(const url::Origin& origin, |
| const base::string16& database_name); |
| void OnDatabaseClosed(const url::Origin& origin, |
| const base::string16& database_name); |
| void OnHandleSqliteError(const url::Origin& origin, |
| const base::string16& database_name, |
| int error); |
| |
| // DatabaseTracker::Observer callbacks (file thread) |
| void OnDatabaseSizeChanged(const std::string& origin_identifier, |
| const base::string16& database_name, |
| int64_t database_size) override; |
| void OnDatabaseScheduledForDeletion( |
| const std::string& origin_identifier, |
| const base::string16& database_name) override; |
| |
| void DatabaseDeleteFile(const base::string16& vfs_file_name, |
| bool sync_dir, |
| IPC::Message* reply_msg, |
| int reschedule_count); |
| |
| // The database tracker for the current browser context. |
| scoped_refptr<storage::DatabaseTracker> db_tracker_; |
| |
| // True if and only if this instance was added as an observer |
| // to DatabaseTracker. |
| bool observer_added_; |
| |
| // Keeps track of all DB connections opened by this renderer |
| storage::DatabaseConnections database_connections_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_DATABASE_MESSAGE_FILTER_H_ |