settings: Disallow non-primary users to change Bluetooth settings

Since Bluetooth power preference became user-specific, we disallowed
non-primary users to change Bluetooth power setting for UX consistency
with system tray.

Bug: 853374
Change-Id: If61d2c0c048e7d8c764e24798da0ebbf2ab6c68f
Reviewed-on: https://chromium-review.googlesource.com/1187601
Commit-Queue: Sonny Sasaka <sonnysasaka@chromium.org>
Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586088}

chrome/app/settings_strings.grdp

@@ -937,6 +937,9 @@
     <message name="IDS_SETTINGS_BLUETOOTH_CONNECT_WRITE_NOT_PERMITTED">
       Write operation is not permitted on: "<ph name="DEVICE_NAME">$1<ex>Nexus 4</ex></ph>".
     </message>
+    <message name="IDS_SETTINGS_BLUETOOTH_PRIMARY_USER_CONTROLLED" desc="Settings > Bluetooth > Text to show when Bluetooth configuration is controlled by the primary user.">
+      Bluetooth configuration is controlled by <ph name="USER_EMAIL">$1<ex>joe@gmail.com</ex></ph>.
+    </message>
   </if>
 
   <if expr="use_nss_certs">

chrome/browser/resources/settings/bluetooth_page/bluetooth_page.html

@@ -3,6 +3,7 @@
 <link rel="import" href="chrome://resources/cr_elements/cr_toggle/cr_toggle.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_pref_indicator.html">
+<link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="../i18n_setup.html">
@@ -21,36 +22,47 @@
     <settings-animated-pages id="pages" section="bluetooth"
         focus-config="[[focusConfig_]]">
       <neon-animatable route-path="default">
-        <div id="bluetoothDevices"
-            class="settings-box two-line" actionable on-click="onTap_">
-          <iron-icon icon="[[getIcon_(bluetoothToggleState_)]]"></iron-icon>
-          <div class="middle">
-            $i18n{bluetoothPageTitle}
-            <div class="secondary" id="bluetoothSecondary">
-              [[getOnOffString_(bluetoothToggleState_,
-              '$i18nPolymer{deviceOn}', '$i18nPolymer{deviceOff}')]]
+        <template is="dom-if" if="[[!isSecondaryUser_]]">
+          <div id="bluetoothDevices"
+              class="settings-box two-line" actionable on-click="onTap_">
+            <iron-icon icon="[[getIcon_(bluetoothToggleState_)]]"></iron-icon>
+            <div class="middle">
+              $i18n{bluetoothPageTitle}
+              <div class="secondary" id="bluetoothSecondary">
+                [[getOnOffString_(bluetoothToggleState_,
+                '$i18nPolymer{deviceOn}', '$i18nPolymer{deviceOff}')]]
+              </div>
             </div>
+            <cr-policy-pref-indicator
+                icon-aria-label="$i18n{bluetoothPageTitle}"
+                pref="[[prefs.cros.device.allow_bluetooth]]"
+                hidden="[[prefs.cros.device.allow_bluetooth.value]]">
+            </cr-policy-pref-indicator>
+            <template is="dom-if" if="[[bluetoothToggleState_]]">
+              <paper-icon-button-light class="subpage-arrow">
+                <button on-click="onSubpageArrowTap_"
+                    aria-label="$i18n{bluetoothPageTitle}"
+                    aria-describedby="bluetoothSecondary">
+                </button>
+              </paper-icon-button-light>
+            </template>
+            <div class="separator"></div>
+            <cr-toggle id="enableBluetooth"
+                checked="{{bluetoothToggleState_}}"
+                disabled$="[[!isToggleEnabled_(
+                    adapterState_, stateChangeInProgress_)]]"
+                aria-label="$i18n{bluetoothToggleA11yLabel}">
+            </cr-toggle>
           </div>
-          <cr-policy-pref-indicator icon-aria-label="$i18n{bluetoothPageTitle}"
-              pref="[[prefs.cros.device.allow_bluetooth]]"
-            hidden="[[prefs.cros.device.allow_bluetooth.value]]">
-          </cr-policy-pref-indicator>
-          <template is="dom-if" if="[[bluetoothToggleState_]]">
-            <paper-icon-button-light class="subpage-arrow">
-              <button on-click="onSubpageArrowTap_"
-                  aria-label="$i18n{bluetoothPageTitle}"
-                  aria-describedby="bluetoothSecondary">
-              </button>
-            </paper-icon-button-light>
-          </template>
-          <div class="separator"></div>
-          <cr-toggle id="enableBluetooth"
-              checked="{{bluetoothToggleState_}}"
-              disabled$=
-                  "[[!isToggleEnabled_(adapterState_, stateChangeInProgress_)]]"
-              aria-label="$i18n{bluetoothToggleA11yLabel}">
-          </cr-toggle>
-        </div>
+        </template>
+        <template is="dom-if" if="[[isSecondaryUser_]]">
+          <div id="bluetoothDevices" class="settings-box two-line">
+            <iron-icon class="policy" icon="cr:group"></iron-icon>
+            <div class="middle">
+              [[i18n('bluetoothPrimaryUserControlled', primaryUserEmail_)]]
+            </div>
+          </div>
+        </template>
       </neon-animatable>
 
       <template is="dom-if" route-path="/bluetoothDevices">

chrome/browser/resources/settings/bluetooth_page/bluetooth_page.js

@@ -25,7 +25,7 @@ const bluetoothApis = window['bluetoothApis'] || {
 Polymer({
   is: 'settings-bluetooth-page',
 
-  behaviors: [PrefsBehavior],
+  behaviors: [I18nBehavior, PrefsBehavior],
 
   properties: {
     /** Preferences state. */
@@ -99,6 +99,30 @@ Polymer({
       type: Object,
       value: chrome.bluetoothPrivate,
     },
+
+    /**
+     * Whether the user is a secondary user.
+     * @private
+     */
+    isSecondaryUser_: {
+      type: Boolean,
+      value: function() {
+        return loadTimeData.getBoolean('isSecondaryUser');
+      },
+      readOnly: true,
+    },
+
+    /**
+     * Email address for the primary user.
+     * @private
+     */
+    primaryUserEmail_: {
+      type: String,
+      value: function() {
+        return loadTimeData.getString('primaryUserEmail');
+      },
+      readOnly: true,
+    },
   },
 
   observers: ['deviceListChanged_(deviceList_.*)'],

chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc

@@ -493,6 +493,8 @@ void AddBluetoothStrings(content::WebUIDataSource* html_source) {
       {"bluetoothPairDevicePageTitle",
        IDS_SETTINGS_BLUETOOTH_PAIR_DEVICE_TITLE},
       {"bluetoothRemove", IDS_SETTINGS_BLUETOOTH_REMOVE},
+      {"bluetoothPrimaryUserControlled",
+       IDS_SETTINGS_BLUETOOTH_PRIMARY_USER_CONTROLLED},
   };
   AddLocalizedStringsBulk(html_source, localized_strings,
                           arraysize(localized_strings));