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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/components/components_handler.h"
#include <utility>
#include <vector>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/notreached.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/grit/generated_resources.h"
#include "components/update_client/crx_update_item.h"
#include "ui/base/l10n/l10n_util.h"
ComponentsHandler::ComponentsHandler(
component_updater::ComponentUpdateService* component_updater)
: component_updater_(component_updater) {
DCHECK(component_updater_);
}
ComponentsHandler::~ComponentsHandler() = default;
void ComponentsHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"requestComponentsData",
base::BindRepeating(&ComponentsHandler::HandleRequestComponentsData,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"checkUpdate", base::BindRepeating(&ComponentsHandler::HandleCheckUpdate,
base::Unretained(this)));
}
void ComponentsHandler::OnJavascriptAllowed() {
observation_.Observe(component_updater_.get());
}
void ComponentsHandler::OnJavascriptDisallowed() {
observation_.Reset();
}
void ComponentsHandler::HandleRequestComponentsData(
const base::Value::List& args) {
AllowJavascript();
const base::Value& callback_id = args[0];
base::Value::Dict result;
result.Set("components", LoadComponents());
ResolveJavascriptCallback(callback_id, result);
}
// This function is called when user presses button from html UI.
// TODO(shrikant): We need to make this button available based on current
// state e.g. If component state is currently updating then we need to disable
// button. (https://code.google.com/p/chromium/issues/detail?id=272540)
void ComponentsHandler::HandleCheckUpdate(const base::Value::List& args) {
if (args.size() != 1) {
NOTREACHED();
}
if (!args[0].is_string()) {
NOTREACHED();
}
const std::string& component_id = args[0].GetString();
OnDemandUpdate(component_id);
}
void ComponentsHandler::OnEvent(const update_client::CrxUpdateItem& item) {
base::Value::Dict parameters;
parameters.Set("event", ServiceStatusToString(item.state));
parameters.Set("id", item.id);
if (item.component) {
parameters.Set("version", item.component->version.GetString());
}
FireWebUIListener("component-event", parameters);
}
std::u16string ComponentsHandler::ServiceStatusToString(
update_client::ComponentState state) {
switch (state) {
case update_client::ComponentState::kNew:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_NEW);
case update_client::ComponentState::kChecking:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_CHECKING);
case update_client::ComponentState::kCanUpdate:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATE);
case update_client::ComponentState::kDownloadingDiff:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL_DIFF);
case update_client::ComponentState::kDownloading:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_DNL);
case update_client::ComponentState::kUpdatingDiff:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDT_DIFF);
case update_client::ComponentState::kUpdating:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATING);
case update_client::ComponentState::kUpdated:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATED);
case update_client::ComponentState::kUpToDate:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPTODATE);
case update_client::ComponentState::kUpdateError:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_SVC_STATUS_UPDATE_ERROR);
case update_client::ComponentState::kRun: // Fall through.
case update_client::ComponentState::kLastStatus:
return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
}
return l10n_util::GetStringUTF16(IDS_COMPONENTS_UNKNOWN);
}
void ComponentsHandler::OnDemandUpdate(const std::string& component_id) {
component_updater_->GetOnDemandUpdater().OnDemandUpdate(
component_id, component_updater::OnDemandUpdater::Priority::FOREGROUND,
component_updater::Callback());
}
base::Value::List ComponentsHandler::LoadComponents() {
const std::vector<std::string> component_ids =
component_updater_->GetComponentIDs();
// Construct `base::Value::Dict` to return to UI.
base::Value::List component_list;
for (const auto& component_id : component_ids) {
update_client::CrxUpdateItem item;
if (component_updater_->GetComponentDetails(component_id, &item)) {
base::Value::Dict component_entry;
component_entry.Set("id", component_id);
component_entry.Set("status", ServiceStatusToString(item.state));
if (item.component) {
component_entry.Set("name", item.component->name);
component_entry.Set("version", item.component->version.GetString());
}
component_list.Append(std::move(component_entry));
}
}
return component_list;
}
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