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// Copyright (c) 2010 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 "chrome/browser/browsing_data_local_storage_helper.h"
#include "base/file_util.h"
#include "base/string_util.h"
#include "base/message_loop.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/in_process_webkit/webkit_context.h"
#include "chrome/browser/profile.h"
#include "third_party/WebKit/WebKit/chromium/public/WebCString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
#include "webkit/glue/webkit_glue.h"
BrowsingDataLocalStorageHelper::BrowsingDataLocalStorageHelper(
Profile* profile)
: profile_(profile),
completion_callback_(NULL),
is_fetching_(false) {
DCHECK(profile_);
}
BrowsingDataLocalStorageHelper::~BrowsingDataLocalStorageHelper() {
}
void BrowsingDataLocalStorageHelper::StartFetching(
Callback1<const std::vector<LocalStorageInfo>& >::Type* callback) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
DCHECK(!is_fetching_);
DCHECK(callback);
is_fetching_ = true;
completion_callback_.reset(callback);
ChromeThread::PostTask(
ChromeThread::WEBKIT, FROM_HERE,
NewRunnableMethod(
this,
&BrowsingDataLocalStorageHelper::
FetchLocalStorageInfoInWebKitThread));
}
void BrowsingDataLocalStorageHelper::CancelNotification() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
completion_callback_.reset(NULL);
}
void BrowsingDataLocalStorageHelper::DeleteLocalStorageFile(
const FilePath& file_path) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
ChromeThread::PostTask(
ChromeThread::WEBKIT, FROM_HERE,
NewRunnableMethod(
this,
&BrowsingDataLocalStorageHelper::
DeleteLocalStorageFileInWebKitThread,
file_path));
}
void BrowsingDataLocalStorageHelper::FetchLocalStorageInfoInWebKitThread() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::WEBKIT));
file_util::FileEnumerator file_enumerator(
profile_->GetWebKitContext()->data_path().Append(
DOMStorageContext::kLocalStorageDirectory),
false, file_util::FileEnumerator::FILES);
for (FilePath file_path = file_enumerator.Next(); !file_path.empty();
file_path = file_enumerator.Next()) {
if (file_path.Extension() == DOMStorageContext::kLocalStorageExtension) {
WebKit::WebSecurityOrigin web_security_origin =
WebKit::WebSecurityOrigin::createFromDatabaseIdentifier(
webkit_glue::FilePathToWebString(file_path.BaseName()));
if (EqualsASCII(web_security_origin.protocol(),
chrome::kExtensionScheme)) {
// Extension state is not considered browsing data.
continue;
}
file_util::FileInfo file_info;
bool ret = file_util::GetFileInfo(file_path, &file_info);
if (ret) {
local_storage_info_.push_back(LocalStorageInfo(
web_security_origin.protocol().utf8(),
web_security_origin.host().utf8(),
web_security_origin.port(),
web_security_origin.databaseIdentifier().utf8(),
web_security_origin.toString().utf8(),
file_path,
file_info.size,
file_info.last_modified));
}
}
}
ChromeThread::PostTask(
ChromeThread::UI, FROM_HERE,
NewRunnableMethod(
this, &BrowsingDataLocalStorageHelper::NotifyInUIThread));
}
void BrowsingDataLocalStorageHelper::NotifyInUIThread() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
DCHECK(is_fetching_);
// Note: completion_callback_ mutates only in the UI thread, so it's safe to
// test it here.
if (completion_callback_ != NULL) {
completion_callback_->Run(local_storage_info_);
completion_callback_.reset();
}
is_fetching_ = false;
}
void BrowsingDataLocalStorageHelper::DeleteLocalStorageFileInWebKitThread(
const FilePath& file_path) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::WEBKIT));
profile_->GetWebKitContext()->dom_storage_context()->DeleteLocalStorageFile(
file_path);
}
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