Add chrome://popular-sites-internals/ to iOS.

chrome/browser/ui/webui/popular_sites_internals_message_handler.cc

 // 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/ntp/popular_sites.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
-#include "components/ntp_tiles/pref_names.h"
-#include "components/prefs/pref_service.h"
 #include "components/safe_json/safe_json_parser.h"
-#include "components/url_formatter/url_fixer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_ui.h"
 
 using ntp_tiles::PopularSites;
-
-namespace {
-
-std::string ReadFileToString(const base::FilePath& path) {
-  std::string result;
-  if (!base::ReadFileToString(path, &result))
-    result.clear();
-  return result;
-}
-
-}  // namespace
+using ntp_tiles::PopularSitesInternalsMessageHandlerImpl;

[Bernhard Bauer, 2016/10/28 13:23:07]

Do you need this?

[sfiera, 2016/10/28 14:12:42]

Removed.

 
 PopularSitesInternalsMessageHandler::PopularSitesInternalsMessageHandler()
-    : weak_ptr_factory_(this) {}
+    : impl_(this) {}
 
 PopularSitesInternalsMessageHandler::~PopularSitesInternalsMessageHandler() {}
 
 void PopularSitesInternalsMessageHandler::RegisterMessages() {
-  web_ui()->RegisterMessageCallback("registerForEvents",
-      base::Bind(&PopularSitesInternalsMessageHandler::HandleRegisterForEvents,
-                 base::Unretained(this)));
-
-  web_ui()->RegisterMessageCallback("update",
-      base::Bind(&PopularSitesInternalsMessageHandler::HandleUpdate,
-                 base::Unretained(this)));
-
-  web_ui()->RegisterMessageCallback(
-      "viewJson",
-      base::Bind(&PopularSitesInternalsMessageHandler::HandleViewJson,
-                 base::Unretained(this)));
+  impl_.RegisterMessages();
 }
 
-void PopularSitesInternalsMessageHandler::HandleRegisterForEvents(
-    const base::ListValue* args) {
-  DCHECK(args->empty());
+base::SequencedWorkerPool*
+PopularSitesInternalsMessageHandler::GetBlockingPool() {
+  return content::BrowserThread::GetBlockingPool();
+}
 
-  SendOverrides();
-
+std::unique_ptr<PopularSites>
+PopularSitesInternalsMessageHandler::MakePopularSites() {
   Profile* profile = Profile::FromWebUI(web_ui());
-  popular_sites_.reset(new PopularSites(
+  return base::MakeUnique<PopularSites>(
       content::BrowserThread::GetBlockingPool(), profile->GetPrefs(),
       TemplateURLServiceFactory::GetForProfile(profile),
       g_browser_process->variations_service(), profile->GetRequestContext(),
       ChromePopularSites::GetDirectory(),
-      base::Bind(safe_json::SafeJsonParser::Parse)));
-  popular_sites_->StartFetch(
-      false,
-      base::Bind(&PopularSitesInternalsMessageHandler::OnPopularSitesAvailable,
-                 base::Unretained(this), false));
+      base::Bind(safe_json::SafeJsonParser::Parse));
 }
 
-void PopularSitesInternalsMessageHandler::HandleUpdate(
-    const base::ListValue* args) {
-  DCHECK_EQ(3u, args->GetSize());
+PrefService* PopularSitesInternalsMessageHandler::GetPrefs() {
   Profile* profile = Profile::FromWebUI(web_ui());
-  auto callback =
-      base::Bind(&PopularSitesInternalsMessageHandler::OnPopularSitesAvailable,
-                 base::Unretained(this), true);
-
-  PrefService* prefs = profile->GetPrefs();
-
-  std::string url;
-  args->GetString(0, &url);
-  if (url.empty())
-    prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideURL);
-  else
-    prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideURL,
-                     url_formatter::FixupURL(url, std::string()).spec());
-
-  std::string country;
-  args->GetString(1, &country);
-  if (country.empty())
-    prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideCountry);
-  else
-    prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideCountry, country);
-
-  std::string version;
-  args->GetString(2, &version);
-  if (version.empty())
-    prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideVersion);
-  else
-    prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideVersion, version);
-
-  popular_sites_.reset(new PopularSites(
-      content::BrowserThread::GetBlockingPool(), prefs,
-      TemplateURLServiceFactory::GetForProfile(profile),
-      g_browser_process->variations_service(), profile->GetRequestContext(),
-      ChromePopularSites::GetDirectory(),
-      base::Bind(safe_json::SafeJsonParser::Parse)));
-  popular_sites_->StartFetch(true, callback);
+  return profile->GetPrefs();
 }
 
-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::RegisterMessageCallback(
+    const std::string& message,
+    const base::Callback<void(const base::ListValue*)>& callback) {
+  web_ui()->RegisterMessageCallback(message, callback);
 }
 
-void PopularSitesInternalsMessageHandler::SendOverrides() {
-  PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
-  std::string url =
-      prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideURL);
-  std::string country =
-      prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideCountry);
-  std::string version =
-      prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideVersion);
-  web_ui()->CallJavascriptFunctionUnsafe(
-      "chrome.popular_sites_internals.receiveOverrides", base::StringValue(url),
-      base::StringValue(country), base::StringValue(version));
+void PopularSitesInternalsMessageHandler::CallJavascriptFunctionVector(
+    const std::string& name,
+    const std::vector<const base::Value*>& values) {
+  web_ui()->CallJavascriptFunctionUnsafe(name, values);
 }
-
-void PopularSitesInternalsMessageHandler::SendDownloadResult(bool success) {
-  base::StringValue result(success ? "Success" : "Fail");
-  web_ui()->CallJavascriptFunctionUnsafe(
-      "chrome.popular_sites_internals.receiveDownloadResult", result);
-}
-
-void PopularSitesInternalsMessageHandler::SendSites() {
-  std::unique_ptr<base::ListValue> sites_list(new base::ListValue);
-  for (const PopularSites::Site& site : popular_sites_->sites()) {
-    std::unique_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));
-  result.SetString("url", popular_sites_->LastURL().spec());
-  web_ui()->CallJavascriptFunctionUnsafe(
-      "chrome.popular_sites_internals.receiveSites", result);
-}
-
-void PopularSitesInternalsMessageHandler::SendJson(const std::string& json) {
-  web_ui()->CallJavascriptFunctionUnsafe(
-      "chrome.popular_sites_internals.receiveJson", base::StringValue(json));
-}
-
-void PopularSitesInternalsMessageHandler::OnPopularSitesAvailable(
-    bool explicit_request, bool success) {
-  if (explicit_request)
-    SendDownloadResult(success);
-  SendSites();
-}