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// 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.
#include "content/browser/resource_context_impl.h"
#include <stdint.h>
#include "base/base64.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/rand_util.h"
#include "content/browser/blob_storage/chrome_blob_storage_context.h"
#include "content/browser/loader/resource_dispatcher_host_impl.h"
#include "content/browser/loader/resource_request_info_impl.h"
#include "content/browser/streams/stream_context.h"
#include "content/browser/webui/url_data_manager_backend.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
using base::UserDataAdapter;
namespace content {
// Key names on ResourceContext.
const char kBlobStorageContextKeyName[] = "content_blob_storage_context";
const char kStreamContextKeyName[] = "content_stream_context";
const char kURLDataManagerBackendKeyName[] = "url_data_manager_backend";
ResourceContext::ResourceContext()
: media_device_id_salt_(CreateRandomMediaDeviceIDSalt()) {
}
ResourceContext::~ResourceContext() {
if (ResourceDispatcherHostImpl::Get())
ResourceDispatcherHostImpl::Get()->CancelRequestsForContext(this);
}
std::string ResourceContext::GetMediaDeviceIDSalt() {
return media_device_id_salt_;
}
// static
std::string ResourceContext::CreateRandomMediaDeviceIDSalt() {
std::string salt;
base::Base64Encode(base::RandBytesAsString(16), &salt);
DCHECK(!salt.empty());
return salt;
}
ChromeBlobStorageContext* GetChromeBlobStorageContextForResourceContext(
const ResourceContext* resource_context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
return UserDataAdapter<ChromeBlobStorageContext>::Get(
resource_context, kBlobStorageContextKeyName);
}
StreamContext* GetStreamContextForResourceContext(
const ResourceContext* resource_context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
return UserDataAdapter<StreamContext>::Get(
resource_context, kStreamContextKeyName);
}
URLDataManagerBackend* GetURLDataManagerForResourceContext(
ResourceContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!context->GetUserData(kURLDataManagerBackendKeyName)) {
context->SetUserData(kURLDataManagerBackendKeyName,
new URLDataManagerBackend());
}
return static_cast<URLDataManagerBackend*>(
context->GetUserData(kURLDataManagerBackendKeyName));
}
void InitializeResourceContext(BrowserContext* browser_context) {
ResourceContext* resource_context = browser_context->GetResourceContext();
resource_context->SetUserData(
kBlobStorageContextKeyName,
new UserDataAdapter<ChromeBlobStorageContext>(
ChromeBlobStorageContext::GetFor(browser_context)));
resource_context->SetUserData(
kStreamContextKeyName,
new UserDataAdapter<StreamContext>(
StreamContext::GetFor(browser_context)));
resource_context->DetachFromSequence();
}
} // namespace content
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