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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/public/browser/browser_context.h"
#include "content/browser/appcache/chrome_appcache_service.h"
#include "content/browser/file_system/browser_file_system_helper.h"
#include "content/browser/in_process_webkit/webkit_context.h"
#include "content/browser/resource_context_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_constants.h"
#include "webkit/database/database_tracker.h"
#include "webkit/quota/quota_manager.h"
using appcache::AppCacheService;
using base::UserDataAdapter;
using content::BrowserThread;
using fileapi::FileSystemContext;
using quota::QuotaManager;
using webkit_database::DatabaseTracker;
// Key names on BrowserContext.
static const char* kAppCacheServicKeyName = "content_appcache_service_tracker";
static const char* kDatabaseTrackerKeyName = "content_database_tracker";
static const char* kFileSystemContextKeyName = "content_file_system_context";
static const char* kQuotaManagerKeyName = "content_quota_manager";
static const char* kWebKitContextKeyName = "content_webkit_context";
namespace content {
void CreateQuotaManagerAndClients(BrowserContext* context) {
if (context->GetUserData(kQuotaManagerKeyName)) {
DCHECK(context->GetUserData(kDatabaseTrackerKeyName));
DCHECK(context->GetUserData(kFileSystemContextKeyName));
DCHECK(context->GetUserData(kWebKitContextKeyName));
return;
}
// All of the clients have to be created and registered with the
// QuotaManager prior to the QuotaManger being used. So we do them
// all together here prior to handing out a reference to anything
// that utlizes the QuotaManager.
scoped_refptr<QuotaManager> quota_manager = new quota::QuotaManager(
context->IsOffTheRecord(), context->GetPath(),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB),
context->GetSpecialStoragePolicy());
context->SetUserData(kQuotaManagerKeyName,
new UserDataAdapter<QuotaManager>(quota_manager));
// Each consumer is responsible for registering its QuotaClient during
// its construction.
scoped_refptr<FileSystemContext> filesystem_context = CreateFileSystemContext(
context->GetPath(), context->IsOffTheRecord(),
context->GetSpecialStoragePolicy(), quota_manager->proxy());
context->SetUserData(
kFileSystemContextKeyName,
new UserDataAdapter<FileSystemContext>(filesystem_context));
scoped_refptr<DatabaseTracker> db_tracker = new DatabaseTracker(
context->GetPath(), context->IsOffTheRecord(), false,
context->GetSpecialStoragePolicy(), quota_manager->proxy(),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
context->SetUserData(kDatabaseTrackerKeyName,
new UserDataAdapter<DatabaseTracker>(db_tracker));
scoped_refptr<WebKitContext> webkit_context = new WebKitContext(
context->IsOffTheRecord(), context->GetPath(),
context->GetSpecialStoragePolicy(), false, quota_manager->proxy(),
BrowserThread::GetMessageLoopProxyForThread(
BrowserThread::WEBKIT_DEPRECATED));
context->SetUserData(kWebKitContextKeyName,
new UserDataAdapter<WebKitContext>(webkit_context));
scoped_refptr<ChromeAppCacheService> appcache_service =
new ChromeAppCacheService(quota_manager->proxy());
context->SetUserData(
kAppCacheServicKeyName,
new UserDataAdapter<ChromeAppCacheService>(appcache_service));
InitializeResourceContext(context);
// Check first to avoid memory leak in unittests.
if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&ChromeAppCacheService::InitializeOnIOThread,
appcache_service,
context->IsOffTheRecord() ? FilePath() :
context->GetPath().Append(content::kAppCacheDirname),
context->GetResourceContext(),
make_scoped_refptr(context->GetSpecialStoragePolicy())));
}
}
QuotaManager* BrowserContext::GetQuotaManager(BrowserContext* context) {
CreateQuotaManagerAndClients(context);
return UserDataAdapter<QuotaManager>::Get(context, kQuotaManagerKeyName);
}
WebKitContext* BrowserContext::GetWebKitContext(BrowserContext* context) {
CreateQuotaManagerAndClients(context);
return UserDataAdapter<WebKitContext>::Get(context, kWebKitContextKeyName);
}
DatabaseTracker* BrowserContext::GetDatabaseTracker(BrowserContext* context) {
CreateQuotaManagerAndClients(context);
return UserDataAdapter<DatabaseTracker>::Get(
context, kDatabaseTrackerKeyName);
}
AppCacheService* BrowserContext::GetAppCacheService(
BrowserContext* browser_context) {
CreateQuotaManagerAndClients(browser_context);
return UserDataAdapter<ChromeAppCacheService>::Get(
browser_context, kAppCacheServicKeyName);
}
FileSystemContext* BrowserContext::GetFileSystemContext(
BrowserContext* browser_context) {
CreateQuotaManagerAndClients(browser_context);
return UserDataAdapter<FileSystemContext>::Get(
browser_context, kFileSystemContextKeyName);
}
void BrowserContext::EnsureResourceContextInitialized(BrowserContext* context) {
if (context->GetResourceContext()->GetUserData(kWebKitContextKeyName))
return;
InitializeResourceContext(context);
}
BrowserContext::~BrowserContext() {
if (GetUserData(kDatabaseTrackerKeyName) &&
BrowserThread::IsMessageLoopValid(BrowserThread::FILE)) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&webkit_database::DatabaseTracker::Shutdown,
GetDatabaseTracker(this)));
}
}
} // namespace content
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