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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+/* Copyright 2012 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* jshint esnext:true */
+/* globals Components, Services, XPCOMUtils */
+
+'use strict';
+
+var EXPORTED_SYMBOLS = ['PdfjsContentUtils'];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import('resource://gre/modules/XPCOMUtils.jsm');
+Cu.import('resource://gre/modules/Services.jsm');
+
+var PdfjsContentUtils = {
+ _mm: null,
+
+ /*
+ * Public API
+ */
+
+ get isRemote() {
+ return (Services.appinfo.processType ===
+ Services.appinfo.PROCESS_TYPE_CONTENT);
+ },
+
+ init: function () {
+ // child *process* mm, or when loaded into the parent for in-content
+ // support the psuedo child process mm 'child PPMM'.
+ if (!this._mm) {
+ this._mm = Cc['@mozilla.org/childprocessmessagemanager;1'].
+ getService(Ci.nsISyncMessageSender);
+ this._mm.addMessageListener('PDFJS:Child:refreshSettings', this);
+ Services.obs.addObserver(this, 'quit-application', false);
+ }
+ },
+
+ uninit: function () {
+ if (this._mm) {
+ this._mm.removeMessageListener('PDFJS:Child:refreshSettings', this);
+ Services.obs.removeObserver(this, 'quit-application');
+ }
+ this._mm = null;
+ },
+
+ /*
+ * prefs utilities - the child does not have write access to prefs.
+ * note, the pref names here are cross-checked against a list of
+ * approved pdfjs prefs in chrome utils.
+ */
+
+ clearUserPref: function (aPrefName) {
+ this._mm.sendSyncMessage('PDFJS:Parent:clearUserPref', {
+ name: aPrefName
+ });
+ },
+
+ setIntPref: function (aPrefName, aPrefValue) {
+ this._mm.sendSyncMessage('PDFJS:Parent:setIntPref', {
+ name: aPrefName,
+ value: aPrefValue
+ });
+ },
+
+ setBoolPref: function (aPrefName, aPrefValue) {
+ this._mm.sendSyncMessage('PDFJS:Parent:setBoolPref', {
+ name: aPrefName,
+ value: aPrefValue
+ });
+ },
+
+ setCharPref: function (aPrefName, aPrefValue) {
+ this._mm.sendSyncMessage('PDFJS:Parent:setCharPref', {
+ name: aPrefName,
+ value: aPrefValue
+ });
+ },
+
+ setStringPref: function (aPrefName, aPrefValue) {
+ this._mm.sendSyncMessage('PDFJS:Parent:setStringPref', {
+ name: aPrefName,
+ value: aPrefValue
+ });
+ },
+
+ /*
+ * Forwards default app query to the parent where we check various
+ * handler app settings only available in the parent process.
+ */
+ isDefaultHandlerApp: function () {
+ return this._mm.sendSyncMessage('PDFJS:Parent:isDefaultHandlerApp')[0];
+ },
+
+ /*
+ * Request the display of a notification warning in the associated window
+ * when the renderer isn't sure a pdf displayed correctly.
+ */
+ displayWarning: function (aWindow, aMessage, aLabel, accessKey) {
+ // the child's dom frame mm associated with the window.
+ let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIDocShell)
+ .QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIContentFrameMessageManager);
+ winmm.sendAsyncMessage('PDFJS:Parent:displayWarning', {
+ message: aMessage,
+ label: aLabel,
+ accessKey: accessKey
+ });
+ },
+
+ /*
+ * Events
+ */
+
+ observe: function(aSubject, aTopic, aData) {
+ if (aTopic === 'quit-application') {
+ this.uninit();
+ }
+ },
+
+ receiveMessage: function (aMsg) {
+ switch (aMsg.name) {
+ case 'PDFJS:Child:refreshSettings':
+ // Only react to this if we are remote.
+ if (Services.appinfo.processType ===
+ Services.appinfo.PROCESS_TYPE_CONTENT) {
+ let jsm = 'resource://pdf.js/PdfJs.jsm';
+ let pdfjs = Components.utils.import(jsm, {}).PdfJs;
+ pdfjs.updateRegistration();
+ }
+ break;
+ }
+ }
+};
+