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// Copyright 2015 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 "components/offline_pages/offline_page_model.h"
#include <algorithm>
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "components/offline_pages/offline_page_item.h"
#include "components/offline_pages/offline_page_metadata_store.h"
#include "url/gurl.h"
using ArchiverResult = offline_pages::OfflinePageArchiver::ArchiverResult;
using SavePageResult = offline_pages::OfflinePageModel::SavePageResult;
namespace offline_pages {
namespace {
SavePageResult ToSavePageResult(ArchiverResult archiver_result) {
SavePageResult result;
switch (archiver_result) {
case ArchiverResult::SUCCESSFULLY_CREATED:
result = SavePageResult::SUCCESS;
break;
case ArchiverResult::ERROR_DEVICE_FULL:
result = SavePageResult::DEVICE_FULL;
break;
case ArchiverResult::ERROR_CONTENT_UNAVAILABLE:
result = SavePageResult::CONTENT_UNAVAILABLE;
break;
case ArchiverResult::ERROR_ARCHIVE_CREATION_FAILED:
result = SavePageResult::ARCHIVE_CREATION_FAILED;
break;
case ArchiverResult::ERROR_CANCELED:
result = SavePageResult::CANCELLED;
break;
default:
NOTREACHED();
result = SavePageResult::CONTENT_UNAVAILABLE;
}
return result;
}
} // namespace
OfflinePageModel::OfflinePageModel(scoped_ptr<OfflinePageMetadataStore> store)
: store_(store.Pass()),
weak_ptr_factory_(this) {
}
OfflinePageModel::~OfflinePageModel() {
}
void OfflinePageModel::Shutdown() {
}
void OfflinePageModel::SavePage(
const GURL& url,
scoped_ptr<OfflinePageArchiver> archiver,
const SavePageCallback& callback) {
DCHECK(archiver.get());
archiver->CreateArchive(base::Bind(&OfflinePageModel::OnCreateArchiveDone,
weak_ptr_factory_.GetWeakPtr(), url,
callback));
pending_archivers_.push_back(archiver.Pass());
}
void OfflinePageModel::DeletePage(const GURL& url,
const DeletePageCallback& callback) {
NOTIMPLEMENTED();
}
void OfflinePageModel::LoadAllPages(const LoadAllPagesCallback& callback) {
store_->Load(base::Bind(&OfflinePageModel::OnLoadDone,
weak_ptr_factory_.GetWeakPtr(), callback));
}
OfflinePageMetadataStore* OfflinePageModel::GetStoreForTesting() {
return store_.get();
}
void OfflinePageModel::OnCreateArchiveDone(
const GURL& requested_url,
const SavePageCallback& callback,
OfflinePageArchiver* archiver,
ArchiverResult archiver_result,
const GURL& url,
const base::string16& title,
const base::FilePath& file_path,
int64 file_size) {
if (requested_url != url) {
DVLOG(1) << "Saved URL does not match requested URL.";
// TODO(fgorski): We have created an archive for a wrong URL. It should be
// deleted from here, once archiver has the right functionality.
InformSavePageDone(callback, SavePageResult::ARCHIVE_CREATION_FAILED);
DeletePendingArchiver(archiver);
return;
}
if (archiver_result != ArchiverResult::SUCCESSFULLY_CREATED) {
SavePageResult result = ToSavePageResult(archiver_result);
InformSavePageDone(callback, result);
DeletePendingArchiver(archiver);
return;
}
OfflinePageItem offline_page_item(url, title, file_path, file_size,
base::Time::Now());
store_->AddOfflinePage(
offline_page_item,
base::Bind(&OfflinePageModel::OnAddOfflinePageDone,
weak_ptr_factory_.GetWeakPtr(), archiver, callback));
}
void OfflinePageModel::OnAddOfflinePageDone(OfflinePageArchiver* archiver,
const SavePageCallback& callback,
bool success) {
SavePageResult result =
success ? SavePageResult::SUCCESS : SavePageResult::STORE_FAILURE;
InformSavePageDone(callback, result);
DeletePendingArchiver(archiver);
}
void OfflinePageModel::OnLoadDone(
const LoadAllPagesCallback& callback,
bool success,
const std::vector<OfflinePageItem>& offline_pages) {
// TODO(fgorski): Cache the values here, if we are comfortable with that
// model. This will require extra handling of parallel loads.
LoadResult result =
success ? LoadResult::SUCCESS : LoadResult::STORE_FAILURE;
callback.Run(result, offline_pages);
}
void OfflinePageModel::InformSavePageDone(const SavePageCallback& callback,
SavePageResult result) {
callback.Run(result);
}
void OfflinePageModel::DeletePendingArchiver(OfflinePageArchiver* archiver) {
pending_archivers_.erase(std::find(
pending_archivers_.begin(), pending_archivers_.end(), archiver));
}
} // namespace offline_pages
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