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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/update_client/update_engine.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/thread_task_runner_handle.h"
#include "components/update_client/action_update_check.h"
#include "components/update_client/configurator.h"
#include "components/update_client/crx_update_item.h"
#include "components/update_client/update_checker.h"
namespace update_client {
UpdateContext::UpdateContext(
const scoped_refptr<Configurator>& config,
const std::vector<std::string>& ids,
const UpdateClient::CrxDataCallback& crx_data_callback,
const UpdateEngine::NotifyObserversCallback& notify_observers_callback,
const UpdateEngine::CompletionCallback& callback,
UpdateChecker::Factory update_checker_factory,
CrxDownloader::Factory crx_downloader_factory,
PingManager* ping_manager)
: config(config),
ids(ids),
crx_data_callback(crx_data_callback),
notify_observers_callback(notify_observers_callback),
callback(callback),
main_task_runner(base::ThreadTaskRunnerHandle::Get()),
blocking_task_runner(config->GetSequencedTaskRunner()),
single_thread_task_runner(config->GetSingleThreadTaskRunner()),
update_checker_factory(update_checker_factory),
crx_downloader_factory(crx_downloader_factory),
ping_manager(ping_manager) {
}
UpdateContext::~UpdateContext() {
STLDeleteElements(&update_items);
}
UpdateEngine::UpdateEngine(
const scoped_refptr<Configurator>& config,
UpdateChecker::Factory update_checker_factory,
CrxDownloader::Factory crx_downloader_factory,
PingManager* ping_manager,
const NotifyObserversCallback& notify_observers_callback)
: config_(config),
update_checker_factory_(update_checker_factory),
crx_downloader_factory_(crx_downloader_factory),
ping_manager_(ping_manager),
notify_observers_callback_(notify_observers_callback) {
}
UpdateEngine::~UpdateEngine() {
DCHECK(thread_checker_.CalledOnValidThread());
}
bool UpdateEngine::IsUpdating(const std::string& id) const {
DCHECK(thread_checker_.CalledOnValidThread());
for (const auto& context : update_contexts_) {
const auto& ids = context->ids;
const auto it = std::find_if(
ids.begin(), ids.end(),
[id](const std::string& this_id) { return id == this_id; });
if (it != ids.end()) {
return true;
}
}
return false;
}
bool UpdateEngine::GetUpdateState(const std::string& id,
CrxUpdateItem* update_item) {
DCHECK(thread_checker_.CalledOnValidThread());
for (const auto& context : update_contexts_) {
const auto& update_items = context->update_items;
const auto it = std::find_if(update_items.begin(), update_items.end(),
[id](const CrxUpdateItem* update_item) {
return id == update_item->id;
});
if (it != update_items.end()) {
*update_item = **it;
return true;
}
}
return false;
}
void UpdateEngine::Update(
const std::vector<std::string>& ids,
const UpdateClient::CrxDataCallback& crx_data_callback,
const CompletionCallback& callback) {
DCHECK(thread_checker_.CalledOnValidThread());
scoped_ptr<UpdateContext> update_context(new UpdateContext(
config_, ids, crx_data_callback, notify_observers_callback_, callback,
update_checker_factory_, crx_downloader_factory_, ping_manager_));
CrxUpdateItem update_item;
scoped_ptr<ActionUpdateCheck> update_check_action(new ActionUpdateCheck(
(*update_context->update_checker_factory)(*config_).Pass(),
config_->GetBrowserVersion(), config_->ExtraRequestParams()));
update_context->current_action.reset(update_check_action.release());
update_contexts_.insert(update_context.get());
update_context->current_action->Run(
update_context.get(),
base::Bind(&UpdateEngine::UpdateComplete, base::Unretained(this),
update_context.get()));
ignore_result(update_context.release());
}
void UpdateEngine::UpdateComplete(UpdateContext* update_context, int error) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(update_contexts_.find(update_context) != update_contexts_.end());
auto callback = update_context->callback;
update_contexts_.erase(update_context);
delete update_context;
callback.Run(error);
}
} // namespace update_client
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