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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/storage_partition_map.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/file_path.h"
#include "base/stl_util.h"
#include "base/string_util.h"
#include "content/browser/appcache/chrome_appcache_service.h"
#include "content/browser/resource_context_impl.h"
#include "content/browser/storage_partition.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_constants.h"
namespace content {
// Dirname for storing persistent data for renderers with isolated storage.
const FilePath::CharType kStoragePartitionDirName[] =
FILE_PATH_LITERAL("Storage Partitions");
StoragePartitionMap::StoragePartitionMap(
BrowserContext* browser_context)
: browser_context_(browser_context) {
}
StoragePartitionMap::~StoragePartitionMap() {
STLDeleteContainerPairSecondPointers(partitions_.begin(),
partitions_.end());
}
StoragePartition* StoragePartitionMap::Get(const std::string& partition_id) {
// Find the previously created partition if it's available.
std::map<std::string, StoragePartition*>::const_iterator it =
partitions_.find(partition_id);
if (it != partitions_.end())
return it->second;
// There was no previous partition, so let's make a new one.
FilePath partition_path = browser_context_->GetPath();
if (!partition_id.empty()) {
// TODO(ajwong): This should check the pth is valid?
CHECK(IsStringASCII(partition_id));
partition_path = partition_path.Append(kStoragePartitionDirName)
.AppendASCII(partition_id);
}
StoragePartition* storage_partition =
StoragePartition::Create(browser_context_, partition_path);
partitions_[partition_id] = storage_partition;
PostCreateInitialization(storage_partition, partition_path);
// TODO(ajwong): We need to remove this conditional by making
// InitializeResourceContext() understand having different partition data
// based on the renderer_id.
if (partition_id.empty()) {
InitializeResourceContext(browser_context_);
}
return storage_partition;
}
void StoragePartitionMap::ForEach(
const base::Callback<void(StoragePartition*)>& callback) {
for (std::map<std::string, StoragePartition*>::const_iterator it =
partitions_.begin();
it != partitions_.end();
++it) {
callback.Run(it->second);
}
}
void StoragePartitionMap::PostCreateInitialization(
StoragePartition* partition,
const FilePath& partition_path) {
// Check first to avoid memory leak in unittests.
if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&ChromeAppCacheService::InitializeOnIOThread,
partition->appcache_service(),
browser_context_->IsOffTheRecord() ? FilePath() :
partition_path.Append(kAppCacheDirname),
browser_context_->GetResourceContext(),
make_scoped_refptr(
browser_context_->GetSpecialStoragePolicy())));
}
}
} // namespace content
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