blob: c9fb56fbdaefe5f8aa69d2ba4cf66bf268634a8a [file] [log] [blame]
// Copyright 2016 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 <memory>
#include <set>
#include <string>
#include <vector>
#include "base/files/file.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "content/public/browser/browser_message_filter.h"
class GURL;
namespace storage {
class BlobStorageContext;
namespace content {
class ChromeBlobStorageContext;
// This class's responsibility is to listen for and dispatch blob storage
// messages and handle logistics of blob storage for a single child process.
// When the child process terminates all blob references attributable to
// that process go away upon destruction of the instance.
// This lives in the browser process, is single threaded (IO thread), and there
// is one per child process.
class CONTENT_EXPORT BlobDispatcherHost : public BrowserMessageFilter {
int process_id,
scoped_refptr<ChromeBlobStorageContext> blob_storage_context);
// BrowserMessageFilter implementation.
void OnChannelClosing() override;
bool OnMessageReceived(const IPC::Message& message) override;
~BlobDispatcherHost() override;
friend class base::RefCountedThreadSafe<BlobDispatcherHost>;
void OnRegisterPublicBlobURL(const GURL& public_url, const std::string& uuid);
void OnRevokePublicBlobURL(const GURL& public_url);
storage::BlobStorageContext* context();
bool IsUrlRegisteredInHost(const GURL& blob_url);
// Unregisters all urls that were registered in this host.
void ClearHostFromBlobStorageContext();
const int process_id_;
// The set of public blob urls coined by this consumer.
std::set<GURL> public_blob_urls_;
scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
} // namespace content