Brendan Dahl
11 years ago
10 changed files with 763 additions and 99 deletions
@ -1,3 +1,5 @@
@@ -1,3 +1,5 @@
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# Additional resources for pdf.js |
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content pdf.js chrome/ |
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# PDFJS_SUPPORTED_LOCALES |
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@ -0,0 +1,98 @@
@@ -0,0 +1,98 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ |
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/* Copyright 2014 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/* jshint esnext:true */ |
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/* globals Components, Services, XPCOMUtils, PdfjsContentUtils, |
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PdfjsContentUtils, PdfStreamConverter, addMessageListener */ |
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'use strict'; |
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const Cc = Components.classes; |
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const Ci = Components.interfaces; |
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const Cm = Components.manager; |
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const Cu = Components.utils; |
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const Cr = Components.results; |
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Cu.import('resource://gre/modules/XPCOMUtils.jsm'); |
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Cu.import('resource://gre/modules/Services.jsm'); |
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var isRemote = Services.appinfo.processType === |
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Services.appinfo.PROCESS_TYPE_CONTENT; |
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// Factory that registers/unregisters a constructor as a component.
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function Factory() {} |
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Factory.prototype = { |
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIFactory]), |
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_targetConstructor: null, |
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register: function register(targetConstructor) { |
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this._targetConstructor = targetConstructor; |
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var proto = targetConstructor.prototype; |
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var registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); |
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registrar.registerFactory(proto.classID, proto.classDescription, |
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proto.contractID, this); |
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}, |
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unregister: function unregister() { |
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var proto = this._targetConstructor.prototype; |
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var registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); |
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registrar.unregisterFactory(proto.classID, this); |
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this._targetConstructor = null; |
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}, |
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// nsIFactory
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createInstance: function createInstance(aOuter, iid) { |
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if (aOuter !== null) { |
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throw Cr.NS_ERROR_NO_AGGREGATION; |
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} |
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return (new (this._targetConstructor)()).QueryInterface(iid); |
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}, |
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// nsIFactory
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lockFactory: function lockFactory(lock) { |
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// No longer used as of gecko 1.7.
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throw Cr.NS_ERROR_NOT_IMPLEMENTED; |
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} |
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}; |
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var pdfStreamConverterFactory = new Factory(); |
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function startup() { |
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Cu.import('resource://pdf.js/PdfjsContentUtils.jsm'); |
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PdfjsContentUtils.init(); |
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Cu.import('resource://pdf.js/PdfStreamConverter.jsm'); |
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pdfStreamConverterFactory.register(PdfStreamConverter); |
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} |
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function shutdown() { |
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// Remove the contract/component.
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pdfStreamConverterFactory.unregister(); |
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// Unload the converter
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Cu.unload('resource://pdf.js/PdfStreamConverter.jsm'); |
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PdfjsContentUtils.uninit(); |
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Cu.unload('resource://pdf.js/PdfjsContentUtils.jsm'); |
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} |
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if (isRemote) { |
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startup(); |
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addMessageListener('PDFJS:Child:shutdown', function (e) { |
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shutdown(); |
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}); |
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} |
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@ -0,0 +1,313 @@
@@ -0,0 +1,313 @@
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/* Copyright 2012 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/*globals DEFAULT_PREFERENCES */ |
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'use strict'; |
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var EXPORTED_SYMBOLS = ['PdfjsChromeUtils']; |
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const Cc = Components.classes; |
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const Ci = Components.interfaces; |
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const Cr = Components.results; |
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const Cu = Components.utils; |
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const PREF_PREFIX = 'pdfjs'; |
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const PDF_CONTENT_TYPE = 'application/pdf'; |
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Cu.import('resource://gre/modules/XPCOMUtils.jsm'); |
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Cu.import('resource://gre/modules/Services.jsm'); |
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XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils", |
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"resource://gre/modules/BrowserUtils.jsm"); |
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let Svc = {}; |
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XPCOMUtils.defineLazyServiceGetter(Svc, 'mime', |
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'@mozilla.org/mime;1', |
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'nsIMIMEService'); |
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//#include ../../../web/default_preferences.js
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let PdfjsChromeUtils = { |
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// For security purposes when running remote, we restrict preferences
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// content can access.
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_allowedPrefNames: Object.keys(DEFAULT_PREFERENCES), |
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_ppmm: null, |
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_mmg: null, |
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/* |
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* Public API |
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*/ |
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init: function () { |
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if (!this._ppmm) { |
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// global parent process message manager (PPMM)
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this._ppmm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster); |
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this._ppmm.addMessageListener("PDFJS:Parent:clearUserPref", this); |
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this._ppmm.addMessageListener("PDFJS:Parent:setIntPref", this); |
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this._ppmm.addMessageListener("PDFJS:Parent:setBoolPref", this); |
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this._ppmm.addMessageListener("PDFJS:Parent:setCharPref", this); |
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this._ppmm.addMessageListener("PDFJS:Parent:setStringPref", this); |
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this._ppmm.addMessageListener("PDFJS:Parent:isDefaultHandlerApp", this); |
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// global dom message manager (MMg)
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this._mmg = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager); |
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this._mmg.addMessageListener("PDFJS:Parent:getChromeWindow", this); |
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this._mmg.addMessageListener("PDFJS:Parent:getFindBar", this); |
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this._mmg.addMessageListener("PDFJS:Parent:displayWarning", this); |
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// observer to handle shutdown
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Services.obs.addObserver(this, "quit-application", false); |
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} |
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}, |
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uninit: function () { |
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if (this._ppmm) { |
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this._ppmm.removeMessageListener("PDFJS:Parent:clearUserPref", this); |
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this._ppmm.removeMessageListener("PDFJS:Parent:setIntPref", this); |
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this._ppmm.removeMessageListener("PDFJS:Parent:setBoolPref", this); |
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this._ppmm.removeMessageListener("PDFJS:Parent:setCharPref", this); |
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this._ppmm.removeMessageListener("PDFJS:Parent:setStringPref", this); |
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this._ppmm.removeMessageListener("PDFJS:Parent:isDefaultHandlerApp", this); |
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this._mmg.removeMessageListener("PDFJS:Parent:getChromeWindow", this); |
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this._mmg.removeMessageListener("PDFJS:Parent:getFindBar", this); |
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this._mmg.removeMessageListener("PDFJS:Parent:displayWarning", this); |
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Services.obs.removeObserver(this, "quit-application", false); |
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this._mmg = null; |
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this._ppmm = null; |
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} |
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}, |
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/* |
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* Called by the main module when preference changes are picked up |
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* in the parent process. Observers don't propagate so we need to |
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* instruct the child to refresh its configuration and (possibly) |
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* the module's registration. |
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*/ |
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notifyChildOfSettingsChange: function () { |
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if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_DEFAULT && |
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this._ppmm) { |
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// XXX kinda bad, we want to get the parent process mm associated
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// with the content process. _ppmm is currently the global process
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// manager, which means this is going to fire to every child process
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// we have open. Unfortunately I can't find a way to get at that
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// process specific mm from js.
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this._ppmm.broadcastAsyncMessage("PDFJS:Child:refreshSettings", {}); |
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} |
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}, |
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/* |
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* Events |
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*/ |
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observe: function(aSubject, aTopic, aData) { |
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if (aTopic == "quit-application") { |
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this.uninit(); |
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} |
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}, |
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receiveMessage: function (aMsg) { |
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switch (aMsg.name) { |
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case "PDFJS:Parent:clearUserPref": |
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this._clearUserPref(aMsg.json.name); |
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break; |
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case "PDFJS:Parent:setIntPref": |
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this._setIntPref(aMsg.json.name, aMsg.json.value); |
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break; |
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case "PDFJS:Parent:setBoolPref": |
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this._setBoolPref(aMsg.json.name, aMsg.json.value); |
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break; |
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case "PDFJS:Parent:setCharPref": |
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this._setCharPref(aMsg.json.name, aMsg.json.value); |
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break; |
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case "PDFJS:Parent:setStringPref": |
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this._setStringPref(aMsg.json.name, aMsg.json.value); |
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break; |
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case "PDFJS:Parent:isDefaultHandlerApp": |
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return this.isDefaultHandlerApp(); |
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case "PDFJS:Parent:displayWarning": |
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this._displayWarning(aMsg); |
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break; |
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// CPOW getters
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case "PDFJS:Parent:getChromeWindow": |
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return this._getChromeWindow(aMsg); |
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case "PDFJS:Parent:getFindBar": |
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return this._getFindBar(aMsg); |
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} |
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}, |
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/* |
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* Internal |
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*/ |
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_getChromeWindow: function (aMsg) { |
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// See the child module, our return result here can't be the element
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// since return results don't get auto CPOW'd.
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let browser = aMsg.target; |
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let wrapper = new PdfjsWindowWrapper(browser); |
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let suitcase = aMsg.objects.suitcase; |
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suitcase.setChromeWindow(wrapper); |
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return true; |
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}, |
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_getFindBar: function (aMsg) { |
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// We send this over via the window's message manager, so target should
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// be the dom window.
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let browser = aMsg.target; |
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let wrapper = new PdfjsFindbarWrapper(browser); |
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let suitcase = aMsg.objects.suitcase; |
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suitcase.setFindBar(wrapper); |
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return true; |
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}, |
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_isPrefAllowed: function (aPrefName) { |
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if (this._allowedPrefNames.indexOf(aPrefName) == -1) { |
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let msg = "'" + aPrefName + "' "; |
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msg += "can't be accessed from content. See PdfjsChromeUtils." |
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throw new Error(msg); |
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} |
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}, |
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_clearUserPref: function (aPrefName) { |
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this._isPrefAllowed(aPrefName); |
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Services.prefs.clearUserPref(aPrefName); |
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}, |
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_setIntPref: function (aPrefName, aPrefValue) { |
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this._isPrefAllowed(aPrefName); |
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Services.prefs.setIntPref(aPrefName, aPrefValue); |
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}, |
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_setBoolPref: function (aPrefName, aPrefValue) { |
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this._isPrefAllowed(aPrefName); |
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Services.prefs.setBoolPref(aPrefName, aPrefValue); |
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}, |
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_setCharPref: function (aPrefName, aPrefValue) { |
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this._isPrefAllowed(aPrefName); |
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Services.prefs.setCharPref(aPrefName, aPrefValue); |
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}, |
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_setStringPref: function (aPrefName, aPrefValue) { |
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this._isPrefAllowed(aPrefName); |
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let str = Cc['@mozilla.org/supports-string;1'] |
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.createInstance(Ci.nsISupportsString); |
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str.data = aPrefValue; |
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Services.prefs.setComplexValue(aPrefName, Ci.nsISupportsString, str); |
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}, |
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/* |
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* Svc.mime doesn't have profile information in the child, so |
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* we bounce this pdfjs enabled configuration check over to the |
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* parent. |
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*/ |
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isDefaultHandlerApp: function () { |
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var handlerInfo = Svc.mime.getFromTypeAndExtension(PDF_CONTENT_TYPE, 'pdf'); |
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return !handlerInfo.alwaysAskBeforeHandling && |
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handlerInfo.preferredAction == Ci.nsIHandlerInfo.handleInternally; |
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}, |
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/* |
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* Display a notification warning when the renderer isn't sure |
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* a pdf displayed correctly. |
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*/ |
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_displayWarning: function (aMsg) { |
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let json = aMsg.json; |
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let browser = aMsg.target; |
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let cpowCallback = aMsg.objects.callback; |
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let tabbrowser = browser.getTabBrowser(); |
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let notificationBox = tabbrowser.getNotificationBox(browser); |
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// Flag so we don't call the response callback twice, since if the user
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// clicks open with different viewer both the button callback and
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// eventCallback will be called.
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let responseSent = false; |
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let buttons = [{ |
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label: json.label, |
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accessKey: json.accessKey, |
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callback: function() { |
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responseSent = true; |
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cpowCallback(true); |
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} |
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}]; |
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notificationBox.appendNotification(json.message, 'pdfjs-fallback', null, |
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notificationBox.PRIORITY_INFO_LOW, |
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buttons, |
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function eventsCallback(eventType) { |
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// Currently there is only one event "removed" but if there are any other
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// added in the future we still only care about removed at the moment.
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if (eventType !== 'removed') { |
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return; |
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} |
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// Don't send a response again if we already responded when the button was
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// clicked.
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if (responseSent) { |
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return; |
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} |
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cpowCallback(false); |
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}); |
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} |
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}; |
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/* |
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* CPOW security features require chrome objects declare exposed |
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* properties via __exposedProps__. We don't want to expose things |
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* directly on the findbar, so we wrap the findbar in a smaller |
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* object here that supports the features pdf.js needs. |
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*/ |
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function PdfjsFindbarWrapper(aBrowser) { |
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let tabbrowser = aBrowser.getTabBrowser(); |
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let tab = tabbrowser._getTabForBrowser(aBrowser); |
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this._findbar = tabbrowser.getFindBar(tab); |
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}; |
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PdfjsFindbarWrapper.prototype = { |
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__exposedProps__: { |
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addEventListener: "r", |
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removeEventListener: "r", |
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updateControlState: "r", |
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}, |
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_findbar: null, |
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updateControlState: function (aResult, aFindPrevious) { |
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this._findbar.updateControlState(aResult, aFindPrevious); |
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}, |
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addEventListener: function (aType, aListener, aUseCapture, aWantsUntrusted) { |
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this._findbar.addEventListener(aType, aListener, aUseCapture, aWantsUntrusted); |
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}, |
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removeEventListener: function (aType, aListener, aUseCapture) { |
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this._findbar.removeEventListener(aType, aListener, aUseCapture); |
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} |
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}; |
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function PdfjsWindowWrapper(aBrowser) { |
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this._window = aBrowser.ownerDocument.defaultView; |
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}; |
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PdfjsWindowWrapper.prototype = { |
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__exposedProps__: { |
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valueOf: "r", |
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}, |
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_window: null, |
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valueOf: function () { |
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return this._window.valueOf(); |
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} |
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}; |
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@ -0,0 +1,197 @@
@@ -0,0 +1,197 @@
|
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/* Copyright 2012 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
|
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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'use strict'; |
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|
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var EXPORTED_SYMBOLS = ['PdfjsContentUtils']; |
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|
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const Cc = Components.classes; |
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const Ci = Components.interfaces; |
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const Cr = Components.results; |
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const Cu = Components.utils; |
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Cu.import('resource://gre/modules/XPCOMUtils.jsm'); |
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Cu.import('resource://gre/modules/Services.jsm'); |
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XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils", |
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"resource://gre/modules/BrowserUtils.jsm"); |
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let PdfjsContentUtils = { |
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_mm: null, |
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/* |
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* Public API |
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*/ |
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get isRemote() { |
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return Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT; |
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}, |
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init: function () { |
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// child *process* mm, or when loaded into the parent for in-content
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// support the psuedo child process mm 'child PPMM'.
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if (!this._mm) { |
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this._mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender); |
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this._mm.addMessageListener("PDFJS:Child:refreshSettings", this); |
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Services.obs.addObserver(this, "quit-application", false); |
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} |
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}, |
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uninit: function () { |
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if (this._mm) { |
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this._mm.removeMessageListener("PDFJS:Child:refreshSettings", this); |
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Services.obs.removeObserver(this, "quit-application"); |
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} |
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this._mm = null; |
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}, |
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|
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/* |
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* prefs utilities - the child does not have write access to prefs. |
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* note, the pref names here are cross-checked against a list of |
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* approved pdfjs prefs in chrome utils. |
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*/ |
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|
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clearUserPref: function (aPrefName) { |
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this._mm.sendSyncMessage("PDFJS:Parent:clearUserPref", { |
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name: aPrefName |
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}); |
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}, |
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|
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setIntPref: function (aPrefName, aPrefValue) { |
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this._mm.sendSyncMessage("PDFJS:Parent:setIntPref", { |
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name: aPrefName, |
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value: aPrefValue |
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}); |
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}, |
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|
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setBoolPref: function (aPrefName, aPrefValue) { |
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this._mm.sendSyncMessage("PDFJS:Parent:setBoolPref", { |
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name: aPrefName, |
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value: aPrefValue |
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}); |
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}, |
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|
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setCharPref: function (aPrefName, aPrefValue) { |
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this._mm.sendSyncMessage("PDFJS:Parent:setCharPref", { |
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name: aPrefName, |
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value: aPrefValue |
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}); |
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}, |
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|
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setStringPref: function (aPrefName, aPrefValue) { |
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this._mm.sendSyncMessage("PDFJS:Parent:setStringPref", { |
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name: aPrefName, |
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value: aPrefValue |
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}); |
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}, |
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|
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/* |
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* Forwards default app query to the parent where we check various |
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* handler app settings only available in the parent process. |
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*/ |
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isDefaultHandlerApp: function () { |
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return this._mm.sendSyncMessage("PDFJS:Parent:isDefaultHandlerApp")[0]; |
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}, |
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|
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/* |
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* Request the display of a notification warning in the associated window |
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* when the renderer isn't sure a pdf displayed correctly. |
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*/ |
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displayWarning: function (aWindow, aMessage, aCallback, aLabel, accessKey) { |
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// the child's dom frame mm associated with the window.
|
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let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIDocShell) |
||||
.sameTypeRootTreeItem |
||||
.QueryInterface(Ci.nsIDocShell) |
||||
.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIContentFrameMessageManager); |
||||
winmm.sendAsyncMessage("PDFJS:Parent:displayWarning", { |
||||
message: aMessage, |
||||
label: aLabel, |
||||
accessKey: accessKey |
||||
}, { |
||||
callback: aCallback |
||||
}); |
||||
}, |
||||
|
||||
/* |
||||
* 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; |
||||
} |
||||
}, |
||||
|
||||
/* |
||||
* CPOWs |
||||
*/ |
||||
|
||||
getChromeWindow: function (aWindow) { |
||||
let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIDocShell) |
||||
.sameTypeRootTreeItem |
||||
.QueryInterface(Ci.nsIDocShell) |
||||
.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIContentFrameMessageManager); |
||||
// Sync calls don't support cpow wrapping of returned results, so we
|
||||
// send over a small container for the object we want.
|
||||
let suitcase = { |
||||
_window: null, |
||||
setChromeWindow: function (aObj) { this._window = aObj; } |
||||
} |
||||
if (!winmm.sendSyncMessage("PDFJS:Parent:getChromeWindow", {}, |
||||
{ suitcase: suitcase })[0]) { |
||||
Cu.reportError("A request for a CPOW wrapped chrome window " + |
||||
"failed for unknown reasons."); |
||||
return null; |
||||
} |
||||
return suitcase._window; |
||||
}, |
||||
|
||||
getFindBar: function (aWindow) { |
||||
let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIDocShell) |
||||
.sameTypeRootTreeItem |
||||
.QueryInterface(Ci.nsIDocShell) |
||||
.QueryInterface(Ci.nsIInterfaceRequestor) |
||||
.getInterface(Ci.nsIContentFrameMessageManager); |
||||
let suitcase = { |
||||
_findbar: null, |
||||
setFindBar: function (aObj) { this._findbar = aObj; } |
||||
} |
||||
if (!winmm.sendSyncMessage("PDFJS:Parent:getFindBar", {}, |
||||
{ suitcase: suitcase })[0]) { |
||||
Cu.reportError("A request for a CPOW wrapped findbar " + |
||||
"failed for unknown reasons."); |
||||
return null; |
||||
} |
||||
return suitcase._findbar; |
||||
} |
||||
}; |
||||
@ -0,0 +1,21 @@
@@ -0,0 +1,21 @@
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public |
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this |
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
/* jshint esnext:true */ |
||||
/* globals Components, PdfjsContentUtils, PdfJs */ |
||||
|
||||
'use strict'; |
||||
|
||||
/* |
||||
* pdfjschildbootstrap.js loads into the content process to take care of |
||||
* initializing our built-in version of pdfjs when running remote. |
||||
*/ |
||||
|
||||
Components.utils.import('resource://pdf.js/PdfJs.jsm'); |
||||
Components.utils.import('resource://pdf.js/PdfjsContentUtils.jsm'); |
||||
|
||||
// init content utils shim pdfjs will use to access privileged apis.
|
||||
PdfjsContentUtils.init(); |
||||
|
||||
// register various pdfjs factories that hook us into content loading.
|
||||
PdfJs.updateRegistration(); |
||||
Loading…
Reference in new issue