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// Copyright 2013 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/media_galleries/fileapi/iapps_data_provider.h"
#include <map>
#include "base/bind.h"
#include "base/callback.h"
#include "base/format_macros.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/media_galleries/fileapi/file_path_watcher_util.h"
#include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
#include "chrome/common/media_galleries/itunes_library.h"
#include "third_party/icu/source/common/unicode/locid.h"
#include "webkit/browser/fileapi/native_file_util.h"
namespace iapps {
IAppsDataProvider::IAppsDataProvider(const base::FilePath& library_path)
: library_path_(library_path),
needs_refresh_(true),
is_valid_(false),
weak_factory_(this) {
DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
DCHECK(!library_path_.empty());
StartFilePathWatchOnMediaTaskRunner(
library_path_,
base::Bind(&IAppsDataProvider::OnLibraryWatchStarted,
weak_factory_.GetWeakPtr()),
base::Bind(&IAppsDataProvider::OnLibraryChanged,
weak_factory_.GetWeakPtr()));
}
IAppsDataProvider::~IAppsDataProvider() {}
bool IAppsDataProvider::valid() const {
return is_valid_;
}
void IAppsDataProvider::set_valid(bool valid) {
is_valid_ = valid;
}
void IAppsDataProvider::RefreshData(const ReadyCallback& ready_callback) {
DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
if (!needs_refresh_) {
ready_callback.Run(valid());
return;
}
// TODO(gbillock): this needs re-examination. Could be a refresh bug.
needs_refresh_ = false;
DoParseLibrary(library_path_, ready_callback);
}
const base::FilePath& IAppsDataProvider::library_path() const {
return library_path_;
}
void IAppsDataProvider::OnLibraryWatchStarted(
scoped_ptr<base::FilePathWatcher> library_watcher) {
DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
library_watcher_.reset(library_watcher.release());
}
void IAppsDataProvider::OnLibraryChanged(const base::FilePath& path,
bool error) {
DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread());
DCHECK_EQ(library_path_.value(), path.value());
if (error)
LOG(ERROR) << "Error watching " << library_path_.value();
needs_refresh_ = true;
}
} // namespace iapps
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