Merge pull request #5082 from Rob--W/chromium-managed-preferences

Managed preferences for Chrome administrators

extensions/chromium/manifest.json

@@ -40,6 +40,9 @@
   "mime_types": [
     "application/pdf"
   ],
+  "storage": {
+    "managed_schema": "preferences_schema.json"
+  },
   "background": {
     "page": "pdfHandler.html"
   },

extensions/chromium/preferences_schema.json

@@ -0,0 +1,68 @@
+{
+  "type": "object",
+  "properties": {
+    "showPreviousViewOnLoad": {
+      "title": "Resume view on load",
+      "description": "Whether to view PDF documents in the last page and position upon opening the viewer.",
+      "type": "boolean",
+      "default": true
+    },
+    "defaultZoomValue": {
+      "title": "Default zoom level",
+      "description": "Default zoom level of the viewer. Accepted values: 'auto', 'page-actual', 'page-width', 'page-height', 'page-fit', or a zoom level in percents.",
+      "type": "string",
+      "pattern": "|auto|page-actual|page-width|page-height|page-fit|[0-9]+\\.?[0-9]*(,[0-9]+\\.?[0-9]*){0,2}",
+      "default": ""
+    },
+    "sidebarViewOnLoad": {
+      "title": "Sidebar state on load",
+      "description": "Controls the state of the sidebar upon load.\n 0 = do not show sidebar.\n 1 = show thumbnails in sidebar.\n 2 = show document outline in sidebar.\n 3 = Show attachments in sidebar.",
+      "type": "integer",
+      "enum": [
+        0,
+        1,
+        2,
+        3
+      ],
+      "default": 0
+    },
+    "enableHandToolOnLoad": {
+      "title": "Activate Hand tool by default",
+      "description": "Whether to activate the hand tool by default.",
+      "type": "boolean",
+      "default": false
+    },
+    "enableWebGL": {
+      "title": "Enable WebGL",
+      "description": "Whether to enable WebGL.",
+      "type": "boolean",
+      "default": false
+    },
+    "disableRange": {
+      "title": "Disable range requests",
+      "description": "Whether to disable range requests (not recommended).",
+      "type": "boolean",
+      "default": false
+    },
+    "disableAutoFetch": {
+      "type": "boolean",
+      "default": false
+    },
+    "disableFontFace": {
+      "title": "Disable @font-face",
+      "description": "Whether to disable @font-face and fall back to canvas rendering (this is more resource-intensive).",
+      "type": "boolean",
+      "default": false
+    },
+    "disableTextLayer": {
+      "title": "Disable text selection layer",
+      "description": "Whether to disable the text selection layer.",
+      "type": "boolean",
+      "default": false
+    },
+    "useOnlyCssZoom": {
+      "type": "boolean",
+      "default": false
+    }
+  }
+}

web/default_preferences.js

@@ -17,6 +17,9 @@
 
 'use strict';
 
+//#if CHROME
+////Note: Keep in sync with extensions/chromium/preferences_schema.json !
+//#endif
 var DEFAULT_PREFERENCES = {
   showPreviousViewOnLoad: true,
   defaultZoomValue: '',

web/preferences.js

@@ -178,7 +178,46 @@ var Preferences = {
 //};
 //#endif
 
-//#if !(FIREFOX || MOZCENTRAL || B2G)
+//#if CHROME
+//Preferences._writeToStorage = function (prefObj) {
+//  return new Promise(function (resolve) {
+//    if (prefObj == DEFAULT_PREFERENCES) {
+//      var keysToRemove = Object.keys(DEFAULT_PREFERENCES);
+//      // If the storage is reset, remove the keys so that the values from
+//      // managed storage are applied again.
+//      chrome.storage.local.remove(keysToRemove, function() {
+//        resolve();
+//      });
+//    } else {
+//      chrome.storage.local.set(prefObj, function() {
+//        resolve();
+//      });
+//    }
+//  });
+//};
+//
+//Preferences._readFromStorage = function (prefObj) {
+//  return new Promise(function (resolve) {
+//    if (chrome.storage.managed) {
+//      // Get preferences as set by the system administrator.
+//      // See extensions/chromium/preferences_schema.json for more information.
+//      // These preferences can be overridden by the user.
+//      chrome.storage.managed.get(DEFAULT_PREFERENCES, getPreferences);
+//    } else {
+//      // Managed storage not supported, e.g. in Opera.
+//      getPreferences(DEFAULT_PREFERENCES);
+//    }
+//
+//    function getPreferences(defaultPrefs) {
+//      chrome.storage.local.get(defaultPrefs, function(readPrefs) {
+//        resolve(readPrefs);
+//      });
+//    }
+//  });
+//};
+//#endif
+
+//#if !(FIREFOX || MOZCENTRAL || B2G || CHROME)
 Preferences._writeToStorage = function (prefObj) {
   return new Promise(function (resolve) {
     localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));