MD Settings: Add Google Play Store (Arc++) section

chrome/browser/ui/webui/settings/chromeos/android_apps_handler.cc

+// Copyright 2016 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/settings/chromeos/android_apps_handler.h"
+
+#include "base/values.h"
+#include "chrome/browser/chromeos/arc/arc_session_manager.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/arc/arc_app_utils.h"  // kSettingsAppId
+#include "ui/events/event_constants.h"
+
+namespace chromeos {
+namespace settings {
+
+AndroidAppsHandler::AndroidAppsHandler(Profile* profile)
+    : arc_prefs_observer_(this), profile_(profile), weak_ptr_factory_(this) {}
+
+AndroidAppsHandler::~AndroidAppsHandler() {}
+
+void AndroidAppsHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback(
+      "requestAndroidAppsInfo",
+      base::Bind(&AndroidAppsHandler::HandleRequestAndroidAppsInfo,
+                 weak_ptr_factory_.GetWeakPtr()));
+  web_ui()->RegisterMessageCallback(
+      "showAndroidAppsSettings",
+      base::Bind(&AndroidAppsHandler::ShowAndroidAppsSettings,
+                 weak_ptr_factory_.GetWeakPtr()));
+}
+
+void AndroidAppsHandler::OnJavascriptAllowed() {
+  ArcAppListPrefs* arc_prefs = ArcAppListPrefs::Get(profile_);
+  if (arc_prefs)
+    arc_prefs_observer_.Add(arc_prefs);
+}
+
+void AndroidAppsHandler::OnJavascriptDisallowed() {
+  arc_prefs_observer_.RemoveAll();
+}
+
+void AndroidAppsHandler::OnAppRegistered(
+    const std::string& app_id,
+    const ArcAppListPrefs::AppInfo& app_info) {
+  OnAppChanged(app_id);
+}
+
+void AndroidAppsHandler::OnAppRemoved(const std::string& app_id) {
+  OnAppChanged(app_id);
+}
+
+void AndroidAppsHandler::OnAppReadyChanged(const std::string& app_id,
+                                           bool ready) {
+  OnAppChanged(app_id);
+}
+
+void AndroidAppsHandler::OnAppChanged(const std::string& app_id) {
+  if (app_id != arc::kSettingsAppId)
+    return;
+  SendAndroidAppsInfo();
+}
+
+std::unique_ptr<base::DictionaryValue>
+AndroidAppsHandler::BuildAndroidAppsInfo() {
+  std::unique_ptr<base::DictionaryValue> info(new base::DictionaryValue);
+  bool app_ready = false;
+  if (arc::ArcSessionManager::Get()->IsArcEnabled()) {
+    std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
+        ArcAppListPrefs::Get(profile_)->GetApp(arc::kSettingsAppId);
+    app_ready = app_info && app_info->ready;
+  }
+  info->SetBoolean("appReady", app_ready);
+  return info;
+}
+
+void AndroidAppsHandler::HandleRequestAndroidAppsInfo(
+    const base::ListValue* args) {
+  SendAndroidAppsInfo();
+}
+
+void AndroidAppsHandler::SendAndroidAppsInfo() {
+  AllowJavascript();
+  std::unique_ptr<base::DictionaryValue> info = BuildAndroidAppsInfo();
+  CallJavascriptFunction("cr.webUIListenerCallback",
+                         base::StringValue("android-apps-info-update"), *info);
+}
+
+void AndroidAppsHandler::ShowAndroidAppsSettings(const base::ListValue* args) {
+  CHECK_EQ(1U, args->GetSize());
+  bool activated_from_keyboard = false;
+  args->GetBoolean(0, &activated_from_keyboard);
+  int flags = activated_from_keyboard ? ui::EF_NONE : ui::EF_LEFT_MOUSE_BUTTON;
+
+  // Settings in secondary profile cannot access ARC.
+  CHECK(arc::ArcSessionManager::IsAllowedForProfile(profile_));
+  arc::LaunchAndroidSettingsApp(profile_, flags);
+}
+
+}  // namespace settings
+}  // namespace chromeos