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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_database_helper.h"
#include "base/callback.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/profile.h"
#include "net/base/net_errors.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"
BrowsingDataDatabaseHelper::BrowsingDataDatabaseHelper(Profile* profile)
: tracker_(profile->GetDatabaseTracker()),
completion_callback_(NULL),
is_fetching_(false) {
}
BrowsingDataDatabaseHelper::~BrowsingDataDatabaseHelper() {
}
void BrowsingDataDatabaseHelper::StartFetching(
Callback1<const std::vector<DatabaseInfo>& >::Type* callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(!is_fetching_);
DCHECK(callback);
is_fetching_ = true;
database_info_.clear();
completion_callback_.reset(callback);
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, NewRunnableMethod(
this, &BrowsingDataDatabaseHelper::FetchDatabaseInfoInFileThread));
}
void BrowsingDataDatabaseHelper::CancelNotification() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
completion_callback_.reset(NULL);
}
void BrowsingDataDatabaseHelper::DeleteDatabase(const std::string& origin,
const std::string& name) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, NewRunnableMethod(
this, &BrowsingDataDatabaseHelper::DeleteDatabaseInFileThread, origin,
name));
}
void BrowsingDataDatabaseHelper::FetchDatabaseInfoInFileThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
std::vector<webkit_database::OriginInfo> origins_info;
if (tracker_.get() && tracker_->GetAllOriginsInfo(&origins_info)) {
for (std::vector<webkit_database::OriginInfo>::const_iterator ori =
origins_info.begin(); ori != origins_info.end(); ++ori) {
const std::string origin_identifier(UTF16ToUTF8(ori->GetOrigin()));
if (StartsWithASCII(origin_identifier,
std::string(chrome::kExtensionScheme),
true)) {
// Extension state is not considered browsing data.
continue;
}
WebKit::WebSecurityOrigin web_security_origin =
WebKit::WebSecurityOrigin::createFromDatabaseIdentifier(
ori->GetOrigin());
std::vector<string16> databases;
ori->GetAllDatabaseNames(&databases);
for (std::vector<string16>::const_iterator db = databases.begin();
db != databases.end(); ++db) {
FilePath file_path = tracker_->GetFullDBFilePath(ori->GetOrigin(), *db);
base::PlatformFileInfo file_info;
if (file_util::GetFileInfo(file_path, &file_info)) {
database_info_.push_back(DatabaseInfo(
web_security_origin.host().utf8(),
UTF16ToUTF8(*db),
origin_identifier,
UTF16ToUTF8(ori->GetDatabaseDescription(*db)),
web_security_origin.toString().utf8(),
file_info.size,
file_info.last_modified));
}
}
}
}
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, NewRunnableMethod(
this, &BrowsingDataDatabaseHelper::NotifyInUIThread));
}
void BrowsingDataDatabaseHelper::NotifyInUIThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::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(database_info_);
completion_callback_.reset();
}
is_fetching_ = false;
database_info_.clear();
}
void BrowsingDataDatabaseHelper::DeleteDatabaseInFileThread(
const std::string& origin,
const std::string& name) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
if (!tracker_.get())
return;
tracker_->DeleteDatabase(UTF8ToUTF16(origin), UTF8ToUTF16(name), NULL);
}
CannedBrowsingDataDatabaseHelper::CannedBrowsingDataDatabaseHelper(
Profile* profile)
: BrowsingDataDatabaseHelper(profile) {
}
void CannedBrowsingDataDatabaseHelper::AddDatabase(
const GURL& origin,
const std::string& name,
const std::string& description) {
WebKit::WebSecurityOrigin web_security_origin =
WebKit::WebSecurityOrigin::createFromString(
UTF8ToUTF16(origin.spec()));
std::string origin_identifier =
web_security_origin.databaseIdentifier().utf8();
for (std::vector<DatabaseInfo>::iterator database = database_info_.begin();
database != database_info_.end(); ++database) {
if (database->origin_identifier == origin_identifier &&
database->database_name == name)
return;
}
database_info_.push_back(DatabaseInfo(
web_security_origin.host().utf8(),
name,
origin_identifier,
description,
web_security_origin.toString().utf8(),
0,
base::Time()));
}
void CannedBrowsingDataDatabaseHelper::Reset() {
database_info_.clear();
}
bool CannedBrowsingDataDatabaseHelper::empty() const {
return database_info_.empty();
}
void CannedBrowsingDataDatabaseHelper::StartFetching(
Callback1<const std::vector<DatabaseInfo>& >::Type* callback) {
callback->Run(database_info_);
delete callback;
}
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