blob: 0b73c145e92f5b98f4148c78cfb573db3a7207f4 [file] [log] [blame]
// 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.
#include <stdint.h>
#include <map>
#include <set>
#include "base/id_map.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "content/public/child/worker_thread.h"
#include "storage/common/quota/quota_types.h"
class GURL;
namespace IPC {
class Message;
namespace blink {
class WebStorageQuotaCallbacks;
namespace content {
class ThreadSafeSender;
class QuotaMessageFilter;
// Dispatches and sends quota related messages sent to/from a child
// process from/to the main browser process. There is one instance
// per each thread. Thread-specific instance can be obtained by
// ThreadSpecificInstance().
class QuotaDispatcher : public WorkerThread::Observer {
class Callback {
virtual ~Callback() {}
virtual void DidQueryStorageUsageAndQuota(int64_t usage, int64_t quota) = 0;
virtual void DidGrantStorageQuota(int64_t usage, int64_t granted_quota) = 0;
virtual void DidFail(storage::QuotaStatusCode status) = 0;
QuotaDispatcher(ThreadSafeSender* thread_safe_sender,
QuotaMessageFilter* quota_message_filter);
~QuotaDispatcher() override;
// |thread_safe_sender| and |quota_message_filter| are used if
// calling this leads to construction.
static QuotaDispatcher* ThreadSpecificInstance(
ThreadSafeSender* thread_safe_sender,
QuotaMessageFilter* quota_message_filter);
// WorkerThread::Observer implementation.
void WillStopCurrentWorkerThread() override;
void OnMessageReceived(const IPC::Message& msg);
void QueryStorageUsageAndQuota(const GURL& gurl,
storage::StorageType type,
Callback* callback);
void RequestStorageQuota(int render_view_id,
const GURL& gurl,
storage::StorageType type,
uint64_t requested_size,
Callback* callback);
// Creates a new Callback instance for WebStorageQuotaCallbacks.
static Callback* CreateWebStorageQuotaCallbacksWrapper(
blink::WebStorageQuotaCallbacks callbacks);
// Message handlers.
void DidQueryStorageUsageAndQuota(int request_id,
int64_t current_usage,
int64_t current_quota);
void DidGrantStorageQuota(int request_id,
int64_t current_usage,
int64_t granted_quota);
void DidFail(int request_id, storage::QuotaStatusCode error);
IDMap<Callback, IDMapOwnPointer> pending_quota_callbacks_;
scoped_refptr<ThreadSafeSender> thread_safe_sender_;
scoped_refptr<QuotaMessageFilter> quota_message_filter_;
} // namespace content