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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 "chrome/browser/ui/webui/popular_sites_internals_message_handler.h"
#include <utility>
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/memory/ref_counted.h"
#include "base/task_runner_util.h"
#include "base/values.h"
#include "chrome/browser/android/popular_sites.h"
#include "chrome/browser/profiles/profile.h"
#include "components/url_formatter/url_fixer.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_ui.h"
namespace {
std::string ReadFileToString(const base::FilePath& path) {
std::string result;
if (!base::ReadFileToString(path, &result))
result.clear();
return result;
}
}
PopularSitesInternalsMessageHandler::PopularSitesInternalsMessageHandler()
: weak_ptr_factory_(this) {}
PopularSitesInternalsMessageHandler::~PopularSitesInternalsMessageHandler() {}
void PopularSitesInternalsMessageHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback("registerForEvents",
base::Bind(&PopularSitesInternalsMessageHandler::HandleRegisterForEvents,
base::Unretained(this)));
web_ui()->RegisterMessageCallback("download",
base::Bind(&PopularSitesInternalsMessageHandler::HandleDownload,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"viewJson",
base::Bind(&PopularSitesInternalsMessageHandler::HandleViewJson,
base::Unretained(this)));
}
void PopularSitesInternalsMessageHandler::HandleRegisterForEvents(
const base::ListValue* args) {
DCHECK(args->empty());
std::string country;
std::string version;
popular_sites_.reset(new PopularSites(
Profile::FromWebUI(web_ui()), country, version, false,
base::Bind(&PopularSitesInternalsMessageHandler::OnPopularSitesAvailable,
base::Unretained(this), false)));
}
void PopularSitesInternalsMessageHandler::HandleDownload(
const base::ListValue* args) {
DCHECK_EQ(3u, args->GetSize());
auto callback =
base::Bind(&PopularSitesInternalsMessageHandler::OnPopularSitesAvailable,
base::Unretained(this), true);
std::string url;
args->GetString(0, &url);
if (!url.empty()) {
popular_sites_.reset(new PopularSites(
Profile::FromWebUI(web_ui()),
url_formatter::FixupURL(url, std::string()), callback));
return;
}
std::string country;
args->GetString(1, &country);
std::string version;
args->GetString(2, &version);
popular_sites_.reset(new PopularSites(Profile::FromWebUI(web_ui()), country,
version, true, callback));
}
void PopularSitesInternalsMessageHandler::HandleViewJson(
const base::ListValue* args) {
DCHECK_EQ(0u, args->GetSize());
const base::FilePath& path = popular_sites_->local_path();
base::PostTaskAndReplyWithResult(
content::BrowserThread::GetBlockingPool()
->GetTaskRunnerWithShutdownBehavior(
base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN)
.get(),
FROM_HERE, base::Bind(&ReadFileToString, path),
base::Bind(&PopularSitesInternalsMessageHandler::SendJson,
weak_ptr_factory_.GetWeakPtr()));
}
void PopularSitesInternalsMessageHandler::SendDownloadResult(bool success) {
base::StringValue result(success ? "Success" : "Fail");
web_ui()->CallJavascriptFunction(
"chrome.popular_sites_internals.receiveDownloadResult", result);
}
void PopularSitesInternalsMessageHandler::SendSites() {
scoped_ptr<base::ListValue> sites_list(new base::ListValue);
for (const PopularSites::Site& site : popular_sites_->sites()) {
scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue);
entry->SetString("title", site.title);
entry->SetString("url", site.url.spec());
sites_list->Append(std::move(entry));
}
base::DictionaryValue result;
result.Set("sites", std::move(sites_list));
web_ui()->CallJavascriptFunction(
"chrome.popular_sites_internals.receiveSites", result);
}
void PopularSitesInternalsMessageHandler::SendJson(const std::string& json) {
web_ui()->CallJavascriptFunction("chrome.popular_sites_internals.receiveJson",
base::StringValue(json));
}
void PopularSitesInternalsMessageHandler::OnPopularSitesAvailable(
bool explicit_request, bool success) {
if (explicit_request)
SendDownloadResult(success);
SendSites();
}
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