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// Copyright 2014 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/drive/drive_app_registry.h"
#include <algorithm>
#include <set>
#include <utility>
#include "base/callback.h"
#include "base/files/file_path.h"
#include "components/drive/drive_app_registry_observer.h"
#include "components/drive/service/drive_service_interface.h"
#include "google_apis/drive/drive_api_parser.h"
#include "google_apis/google_api_keys.h"
namespace {
// Add {selector -> app_id} mapping to |map|.
void AddAppSelectorList(const ScopedVector<std::string>& selectors,
const std::string& app_id,
std::multimap<std::string, std::string>* map) {
for (size_t i = 0; i < selectors.size(); ++i)
map->insert(std::make_pair(*selectors[i], app_id));
}
// Append list of app ids in |map| looked up by |selector| to |matched_apps|.
void FindAppsForSelector(const std::string& selector,
const std::multimap<std::string, std::string>& map,
std::vector<std::string>* matched_apps) {
typedef std::multimap<std::string, std::string>::const_iterator iterator;
std::pair<iterator, iterator> range = map.equal_range(selector);
for (iterator it = range.first; it != range.second; ++it)
matched_apps->push_back(it->second);
}
void RemoveAppFromSelector(const std::string& app_id,
std::multimap<std::string, std::string>* map) {
typedef std::multimap<std::string, std::string>::iterator iterator;
for (iterator it = map->begin(); it != map->end(); ) {
iterator now = it++;
if (now->second == app_id)
map->erase(now);
}
}
} // namespace
namespace drive {
DriveAppInfo::DriveAppInfo() {
}
DriveAppInfo::DriveAppInfo(
const std::string& app_id,
const std::string& product_id,
const IconList& app_icons,
const IconList& document_icons,
const std::string& app_name,
const GURL& create_url,
bool is_removable)
: app_id(app_id),
product_id(product_id),
app_icons(app_icons),
document_icons(document_icons),
app_name(app_name),
create_url(create_url),
is_removable(is_removable) {
}
DriveAppInfo::~DriveAppInfo() {
}
DriveAppRegistry::DriveAppRegistry(DriveServiceInterface* drive_service)
: drive_service_(drive_service),
is_updating_(false),
weak_ptr_factory_(this) {
}
DriveAppRegistry::~DriveAppRegistry() {
}
void DriveAppRegistry::GetAppsForFile(
const base::FilePath::StringType& file_extension,
const std::string& mime_type,
std::vector<DriveAppInfo>* apps) const {
DCHECK(thread_checker_.CalledOnValidThread());
std::vector<std::string> matched_apps;
if (!file_extension.empty()) {
const std::string without_dot =
base::FilePath(file_extension.substr(1)).AsUTF8Unsafe();
FindAppsForSelector(without_dot, extension_map_, &matched_apps);
}
if (!mime_type.empty())
FindAppsForSelector(mime_type, mimetype_map_, &matched_apps);
// Insert found Drive apps into |apps|, but skip duplicate results.
std::set<std::string> inserted_app_ids;
for (size_t i = 0; i < matched_apps.size(); ++i) {
if (inserted_app_ids.count(matched_apps[i]) == 0) {
inserted_app_ids.insert(matched_apps[i]);
std::map<std::string, DriveAppInfo>::const_iterator it =
all_apps_.find(matched_apps[i]);
DCHECK(it != all_apps_.end());
apps->push_back(it->second);
}
}
}
void DriveAppRegistry::GetAppList(std::vector<DriveAppInfo>* apps) const {
DCHECK(thread_checker_.CalledOnValidThread());
apps->clear();
for (std::map<std::string, DriveAppInfo>::const_iterator
it = all_apps_.begin(); it != all_apps_.end(); ++it) {
apps->push_back(it->second);
}
}
void DriveAppRegistry::Update() {
DCHECK(thread_checker_.CalledOnValidThread());
if (is_updating_) // There is already an update in progress.
return;
is_updating_ = true;
drive_service_->GetAppList(
base::Bind(&DriveAppRegistry::UpdateAfterGetAppList,
weak_ptr_factory_.GetWeakPtr()));
}
void DriveAppRegistry::UpdateAfterGetAppList(
google_apis::DriveApiErrorCode gdata_error,
scoped_ptr<google_apis::AppList> app_list) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(is_updating_);
is_updating_ = false;
// Failed to fetch the data from the server. We can do nothing here.
if (gdata_error != google_apis::HTTP_SUCCESS)
return;
DCHECK(app_list);
UpdateFromAppList(*app_list);
}
void DriveAppRegistry::UpdateFromAppList(const google_apis::AppList& app_list) {
all_apps_.clear();
extension_map_.clear();
mimetype_map_.clear();
for (size_t i = 0; i < app_list.items().size(); ++i) {
const google_apis::AppResource& app = *app_list.items()[i];
const std::string id = app.application_id();
DriveAppInfo::IconList app_icons;
DriveAppInfo::IconList document_icons;
for (size_t j = 0; j < app.icons().size(); ++j) {
const google_apis::DriveAppIcon& icon = *app.icons()[j];
if (icon.icon_url().is_empty())
continue;
if (icon.category() == google_apis::DriveAppIcon::APPLICATION)
app_icons.push_back(std::make_pair(icon.icon_side_length(),
icon.icon_url()));
if (icon.category() == google_apis::DriveAppIcon::DOCUMENT)
document_icons.push_back(std::make_pair(icon.icon_side_length(),
icon.icon_url()));
}
all_apps_[id] = DriveAppInfo(app.application_id(),
app.product_id(),
app_icons,
document_icons,
app.name(),
app.create_url(),
app.is_removable());
// TODO(kinaba): consider taking primary/secondary distinction into account.
AddAppSelectorList(app.primary_mimetypes(), id, &mimetype_map_);
AddAppSelectorList(app.secondary_mimetypes(), id, &mimetype_map_);
AddAppSelectorList(app.primary_file_extensions(), id, &extension_map_);
AddAppSelectorList(app.secondary_file_extensions(), id, &extension_map_);
}
FOR_EACH_OBSERVER(DriveAppRegistryObserver,
observers_,
OnDriveAppRegistryUpdated());
}
void DriveAppRegistry::AddObserver(DriveAppRegistryObserver* observer) {
observers_.AddObserver(observer);
}
void DriveAppRegistry::RemoveObserver(DriveAppRegistryObserver* observer) {
observers_.RemoveObserver(observer);
}
void DriveAppRegistry::UninstallApp(const std::string& app_id,
const UninstallCallback& callback) {
DCHECK(!callback.is_null());
drive_service_->UninstallApp(app_id,
base::Bind(&DriveAppRegistry::OnAppUninstalled,
weak_ptr_factory_.GetWeakPtr(),
app_id,
callback));
}
void DriveAppRegistry::OnAppUninstalled(const std::string& app_id,
const UninstallCallback& callback,
google_apis::DriveApiErrorCode error) {
if (error == google_apis::HTTP_NO_CONTENT) {
all_apps_.erase(app_id);
RemoveAppFromSelector(app_id, &mimetype_map_);
RemoveAppFromSelector(app_id, &extension_map_);
}
callback.Run(error);
}
// static
bool DriveAppRegistry::IsAppUninstallSupported() {
return google_apis::IsGoogleChromeAPIKeyUsed();
}
namespace util {
GURL FindPreferredIcon(const DriveAppInfo::IconList& icons,
int preferred_size) {
if (icons.empty())
return GURL();
DriveAppInfo::IconList sorted_icons = icons;
std::sort(sorted_icons.rbegin(), sorted_icons.rend());
// Go forward while the size is larger or equal to preferred_size.
size_t i = 1;
while (i < sorted_icons.size() && sorted_icons[i].first >= preferred_size)
++i;
return sorted_icons[i - 1].second;
}
} // namespace util
} // namespace drive
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