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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 "chrome/browser/browsing_data_local_storage_helper.h"
#include "base/bind.h"
#include "base/message_loop.h"
#include "chrome/browser/browsing_data_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/dom_storage_context.h"
using content::BrowserContext;
using content::BrowserThread;
using content::DOMStorageContext;
using dom_storage::DomStorageContext;
BrowsingDataLocalStorageHelper::LocalStorageInfo::LocalStorageInfo(
const GURL& origin_url, int64 size, base::Time last_modified)
: origin_url(origin_url), size(size), last_modified(last_modified) {}
BrowsingDataLocalStorageHelper::LocalStorageInfo::~LocalStorageInfo() {}
BrowsingDataLocalStorageHelper::BrowsingDataLocalStorageHelper(
Profile* profile)
: dom_storage_context_(BrowserContext::GetDOMStorageContext(profile)),
is_fetching_(false) {
DCHECK(dom_storage_context_);
}
BrowsingDataLocalStorageHelper::~BrowsingDataLocalStorageHelper() {
}
void BrowsingDataLocalStorageHelper::StartFetching(
const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(!is_fetching_);
DCHECK_EQ(false, callback.is_null());
is_fetching_ = true;
completion_callback_ = callback;
dom_storage_context_->GetUsageInfo(
base::Bind(
&BrowsingDataLocalStorageHelper::GetUsageInfoCallback, this));
}
void BrowsingDataLocalStorageHelper::DeleteOrigin(const GURL& origin) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
dom_storage_context_->DeleteOrigin(origin);
}
void BrowsingDataLocalStorageHelper::GetUsageInfoCallback(
const std::vector<DomStorageContext::UsageInfo>& infos) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
for (size_t i = 0; i < infos.size(); ++i) {
// Non-websafe state is not considered browsing data.
const DomStorageContext::UsageInfo& info = infos[i];
if (BrowsingDataHelper::HasWebScheme(info.origin)) {
local_storage_info_.push_back(
LocalStorageInfo(info.origin, info.data_size, info.last_modified));
}
}
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&BrowsingDataLocalStorageHelper::CallCompletionCallback,
this));
}
void BrowsingDataLocalStorageHelper::CallCompletionCallback() {
DCHECK(is_fetching_);
completion_callback_.Run(local_storage_info_);
completion_callback_.Reset();
is_fetching_ = false;
}
//---------------------------------------------------------
CannedBrowsingDataLocalStorageHelper::CannedBrowsingDataLocalStorageHelper(
Profile* profile)
: BrowsingDataLocalStorageHelper(profile),
profile_(profile) {
}
CannedBrowsingDataLocalStorageHelper*
CannedBrowsingDataLocalStorageHelper::Clone() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CannedBrowsingDataLocalStorageHelper* clone =
new CannedBrowsingDataLocalStorageHelper(profile_);
clone->pending_local_storage_info_ = pending_local_storage_info_;
return clone;
}
void CannedBrowsingDataLocalStorageHelper::AddLocalStorage(
const GURL& origin) {
if (BrowsingDataHelper::HasWebScheme(origin))
pending_local_storage_info_.insert(origin);
}
void CannedBrowsingDataLocalStorageHelper::Reset() {
pending_local_storage_info_.clear();
}
bool CannedBrowsingDataLocalStorageHelper::empty() const {
return pending_local_storage_info_.empty();
}
size_t CannedBrowsingDataLocalStorageHelper::GetLocalStorageCount() const {
return pending_local_storage_info_.size();
}
const std::set<GURL>&
CannedBrowsingDataLocalStorageHelper::GetLocalStorageInfo() const {
return pending_local_storage_info_;
}
void CannedBrowsingDataLocalStorageHelper::StartFetching(
const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) {
DCHECK(!is_fetching_);
DCHECK_EQ(false, callback.is_null());
is_fetching_ = true;
completion_callback_ = callback;
// We post a task to emulate async fetching behavior.
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&CannedBrowsingDataLocalStorageHelper::
ConvertPendingInfo, this));
}
CannedBrowsingDataLocalStorageHelper::~CannedBrowsingDataLocalStorageHelper() {}
void CannedBrowsingDataLocalStorageHelper::ConvertPendingInfo() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
local_storage_info_.clear();
for (std::set<GURL>::iterator iter = pending_local_storage_info_.begin();
iter != pending_local_storage_info_.end(); ++iter) {
local_storage_info_.push_back(
LocalStorageInfo(*iter, 0, base::Time()));
}
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&CannedBrowsingDataLocalStorageHelper::CallCompletionCallback,
this));
}
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