1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_CHILD_QUOTA_DISPATCHER_H_
6 #define CONTENT_CHILD_QUOTA_DISPATCHER_H_
11 #include "base/basictypes.h"
12 #include "base/id_map.h"
13 #include "base/memory/ref_counted.h"
14 #include "webkit/child/worker_task_runner.h"
15 #include "webkit/common/quota/quota_types.h"
24 class WebStorageQuotaCallbacks;
29 class ThreadSafeSender;
30 class QuotaMessageFilter;
32 // Dispatches and sends quota related messages sent to/from a child
33 // process from/to the main browser process. There is one instance
34 // per each thread. Thread-specific instance can be obtained by
35 // ThreadSpecificInstance().
36 class QuotaDispatcher : public webkit_glue::WorkerTaskRunner::Observer {
40 virtual ~Callback() {}
41 virtual void DidQueryStorageUsageAndQuota(int64 usage, int64 quota) = 0;
42 virtual void DidGrantStorageQuota(int64 usage, int64 granted_quota) = 0;
43 virtual void DidFail(quota::QuotaStatusCode status) = 0;
46 QuotaDispatcher(ThreadSafeSender* thread_safe_sender,
47 QuotaMessageFilter* quota_message_filter);
48 virtual ~QuotaDispatcher();
50 // |thread_safe_sender| and |quota_message_filter| are used if
51 // calling this leads to construction.
52 static QuotaDispatcher* ThreadSpecificInstance(
53 ThreadSafeSender* thread_safe_sender,
54 QuotaMessageFilter* quota_message_filter);
56 // webkit_glue::WorkerTaskRunner::Observer implementation.
57 virtual void OnWorkerRunLoopStopped() OVERRIDE;
59 void OnMessageReceived(const IPC::Message& msg);
61 void QueryStorageUsageAndQuota(const GURL& gurl,
62 quota::StorageType type,
64 void RequestStorageQuota(int render_view_id,
66 quota::StorageType type,
67 uint64 requested_size,
70 // Creates a new Callback instance for WebStorageQuotaCallbacks.
71 static Callback* CreateWebStorageQuotaCallbacksWrapper(
72 blink::WebStorageQuotaCallbacks callbacks);
76 void DidQueryStorageUsageAndQuota(int request_id,
79 void DidGrantStorageQuota(int request_id,
82 void DidFail(int request_id,
83 quota::QuotaStatusCode error);
85 IDMap<Callback, IDMapOwnPointer> pending_quota_callbacks_;
87 scoped_refptr<ThreadSafeSender> thread_safe_sender_;
88 scoped_refptr<QuotaMessageFilter> quota_message_filter_;
90 DISALLOW_COPY_AND_ASSIGN(QuotaDispatcher);
93 } // namespace content
95 #endif // CONTENT_CHILD_QUOTA_DISPATCHER_H_