Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Firefox pdf viewer support for e10s (Bug 942707).

Browse Source
This commit is contained in:
Jim Mathies 2014-09-05 17:33:52 -05:00 committed by Yury Delendik
parent 1d9dc37337
commit f2096fe23f
5 changed files with 621 additions and 83 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
extensions/firefox/content/PdfJs.jsm
View File

@ -42,6 +42,12 @@ XPCOMUtils.defineLazyServiceGetter(Svc, 'mime',
XPCOMUtils.defineLazyServiceGetter(Svc, 'pluginHost',
'@mozilla.org/plugin/host;1',
'nsIPluginHost');
XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
"resource://gre/modules/BrowserUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PdfjsChromeUtils",
"resource://pdf.js/PdfjsChromeUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PdfjsContentUtils",
"resource://pdf.js/PdfjsContentUtils.jsm");
function getBoolPref(aPref, aDefaultValue) {
try {
@ -59,6 +65,13 @@ function getIntPref(aPref, aDefaultValue) {
}
}
function isDefaultHandler() {
if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
return PdfjsContentUtils.isDefaultHandlerApp();
}
return PdfjsChromeUtils.isDefaultHandlerApp();
}
function initializeDefaultPreferences() {
//#include ../../../web/default_preferences.js
@ -105,17 +118,30 @@ Factory.prototype = {
let PdfJs = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
_registered: false,
_initialized: false,
init: function init(remote) {
if (Services.appinfo.processType != Services.appinfo.PROCESS_TYPE_DEFAULT) {
throw new Error("PdfJs.init should only get called in the parent process.");
}
PdfjsChromeUtils.init();
if (!remote) {
PdfjsContentUtils.init();
}
this.initPrefs();
this.updateRegistration();
},
initPrefs: function initPrefs() {
if (this._initialized) {
return;
}
this._initialized = true;
init: function init() {
if (!getBoolPref(PREF_DISABLED, true)) {
this._migrate();
}
if (this.enabled)
this._ensureRegistered();
else
this._ensureUnregistered();
// Listen for when pdf.js is completely disabled or a different pdf handler
// is chosen.
Services.prefs.addObserver(PREF_DISABLED, this, false);
@ -127,6 +153,26 @@ let PdfJs = {
initializeDefaultPreferences();
},
updateRegistration: function updateRegistration() {
if (this.enabled) {
this._ensureRegistered();
} else {
this._ensureUnregistered();
}
},
uninit: function uninit() {
if (this._initialized) {
Services.prefs.removeObserver(PREF_DISABLED, this, false);
Services.prefs.removeObserver(PREF_DISABLED_PLUGIN_TYPES, this, false);
Services.obs.removeObserver(this, TOPIC_PDFJS_HANDLER_CHANGED, false);
Services.obs.removeObserver(this, TOPIC_PLUGINS_LIST_UPDATED, false);
Services.obs.removeObserver(this, TOPIC_PLUGIN_INFO_UPDATED, false);
this._initialized = false;
}
this._ensureUnregistered();
},
_migrate: function migrate() {
const VERSION = 2;
var currentVersion = getIntPref(PREF_MIGRATION_VERSION, 0);
@ -189,10 +235,12 @@ let PdfJs = {
// nsIObserver
observe: function observe(aSubject, aTopic, aData) {
if (this.enabled)
this._ensureRegistered();
else
this._ensureUnregistered();
this.updateRegistration();
if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_DEFAULT) {
let jsm = "resource://pdf.js/PdfjsChromeUtils.jsm";
let PdfjsChromeUtils = Components.utils.import(jsm, {}).PdfjsChromeUtils;
PdfjsChromeUtils.notifyChildOfSettingsChange();
}
},
/**
@ -206,11 +254,8 @@ let PdfJs = {
return false;
}
// the 'application/pdf' handler is selected as internal?
var handlerInfo = Svc.mime
.getFromTypeAndExtension(PDF_CONTENT_TYPE, 'pdf');
if (handlerInfo.alwaysAskBeforeHandling ||
handlerInfo.preferredAction !== Ci.nsIHandlerInfo.handleInternally) {
// Check if the 'application/pdf' preview handler is configured properly.
if (!isDefaultHandler()) {
return false;
}

92
extensions/firefox/content/PdfStreamConverter.jsm
View File

@ -48,6 +48,12 @@ XPCOMUtils.defineLazyModuleGetter(this, 'PrivateBrowsingUtils',
XPCOMUtils.defineLazyModuleGetter(this, 'PdfJsTelemetry',
'resource://pdf.js/PdfJsTelemetry.jsm');
XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsContentUtils',
'resource://pdf.js/PdfjsContentUtils.jsm');
XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
'resource://gre/modules/BrowserUtils.jsm');
var Svc = {};
XPCOMUtils.defineLazyServiceGetter(Svc, 'mime',
'@mozilla.org/mime;1',
@ -61,10 +67,16 @@ function getContainingBrowser(domWindow) {
}
function getChromeWindow(domWindow) {
if (PdfjsContentUtils.isRemote) {
return PdfjsContentUtils.getChromeWindow(domWindow);
}
return getContainingBrowser(domWindow).ownerDocument.defaultView;
}
function getFindBar(domWindow) {
if (PdfjsContentUtils.isRemote) {
return PdfjsContentUtils.getFindBar(domWindow);
}
var browser = getContainingBrowser(domWindow);
try {
var tabbrowser = browser.getTabBrowser();
@ -77,10 +89,6 @@ function getFindBar(domWindow) {
}
}
function setBoolPref(pref, value) {
Services.prefs.setBoolPref(pref, value);
}
function getBoolPref(pref, def) {
try {
return Services.prefs.getBoolPref(pref);
@ -89,10 +97,6 @@ function getBoolPref(pref, def) {
}
}
function setIntPref(pref, value) {
Services.prefs.setIntPref(pref, value);
}
function getIntPref(pref, def) {
try {
return Services.prefs.getIntPref(pref);
@ -101,13 +105,6 @@ function getIntPref(pref, def) {
}
}
function setStringPref(pref, value) {
var str = Cc['@mozilla.org/supports-string;1']
.createInstance(Ci.nsISupportsString);
str.data = value;
Services.prefs.setComplexValue(pref, Ci.nsISupportsString, str);
}
function getStringPref(pref, def) {
try {
return Services.prefs.getComplexValue(pref, Ci.nsISupportsString).data;
@ -117,8 +114,6 @@ function getStringPref(pref, def) {
}
function log(aMsg) {
if (!getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false))
return;
var msg = 'PdfStreamConverter.js: ' + (aMsg.join ? aMsg.join('') : aMsg);
Services.console.logStringMessage(msg);
dump(msg + '\n');
@ -438,53 +433,10 @@ ChromeActions.prototype = {
} else {
message = getLocalizedString(strings, 'unsupported_feature');
}
PdfJsTelemetry.onFallback();
var notificationBox = null;
try {
// Based on MDN's "Working with windows in chrome code"
var mainWindow = domWindow
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebNavigation)
.QueryInterface(Components.interfaces.nsIDocShellTreeItem)
.rootTreeItem
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindow);
var browser = mainWindow.gBrowser
.getBrowserForDocument(domWindow.top.document);
notificationBox = mainWindow.gBrowser.getNotificationBox(browser);
} catch (e) {
log('Unable to get a notification box for the fallback message');
return;
}
// Flag so we don't call the response callback twice, since if the user
// clicks open with different viewer both the button callback and
// eventCallback will be called.
var sentResponse = false;
var buttons = [{
label: getLocalizedString(strings, 'open_with_different_viewer'),
accessKey: getLocalizedString(strings, 'open_with_different_viewer',
'accessKey'),
callback: function() {
sentResponse = true;
sendResponse(true);
}
}];
notificationBox.appendNotification(message, 'pdfjs-fallback', null,
notificationBox.PRIORITY_INFO_LOW,
buttons,
function eventsCallback(eventType) {
// Currently there is only one event "removed" but if there are any other
// added in the future we still only care about removed at the moment.
if (eventType !== 'removed')
return;
// Don't send a response again if we already responded when the button was
// clicked.
if (!sentResponse)
sendResponse(false);
});
PdfjsContentUtils.displayWarning(domWindow, message, sendResponse,
getLocalizedString(strings, 'open_with_different_viewer'),
getLocalizedString(strings, 'open_with_different_viewer', 'accessKey'));
},
updateFindControlState: function(data) {
if (!this.supportsIntegratedFind())
@ -515,17 +467,17 @@ ChromeActions.prototype = {
prefName = (PREF_PREFIX + '.' + key);
switch (typeof prefValue) {
case 'boolean':
setBoolPref(prefName, prefValue);
PdfjsContentUtils.setBoolPref(prefName, prefValue);
break;
case 'number':
setIntPref(prefName, prefValue);
PdfjsContentUtils.setIntPref(prefName, prefValue);
break;
case 'string':
if (prefValue.length > MAX_STRING_PREF_LENGTH) {
log('setPreferences - Exceeded the maximum allowed length ' +
'for a string preference.');
} else {
setStringPref(prefName, prefValue);
PdfjsContentUtils.setStringPref(prefName, prefValue);
}
break;
}
@ -808,7 +760,12 @@ FindEventManager.prototype.handleEvent = function(e) {
detail = makeContentReadable(detail, contentWindow);
var forward = contentWindow.document.createEvent('CustomEvent');
forward.initCustomEvent(e.type, true, true, detail);
contentWindow.dispatchEvent(forward);
// Due to restrictions with cpow use, we can't dispatch
// dom events with an urgent message on the stack. So bounce
// this off the main thread to make it async.
Services.tm.mainThread.dispatch(function () {
contentWindow.dispatchEvent(forward);
}, Ci.nsIThread.DISPATCH_NORMAL);
e.preventDefault();
}
};
@ -929,7 +886,6 @@ PdfStreamConverter.prototype = {
PdfJsTelemetry.onViewerIsUsed();
PdfJsTelemetry.onDocumentSize(aRequest.contentLength);
// Creating storage for PDF data
var contentLength = aRequest.contentLength;
this.dataListener = new PdfDataListener(contentLength);

321
extensions/firefox/content/PdfjsChromeUtils.jsm Normal file
View File

@ -0,0 +1,321 @@
/* 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.
*/
'use strict';
var EXPORTED_SYMBOLS = ['PdfjsChromeUtils'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
const PREF_PREFIX = 'pdfjs';
const PDF_CONTENT_TYPE = 'application/pdf';
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
Cu.import('resource://gre/modules/Services.jsm');
XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
"resource://gre/modules/BrowserUtils.jsm");
let Svc = {};
XPCOMUtils.defineLazyServiceGetter(Svc, 'mime',
'@mozilla.org/mime;1',
'nsIMIMEService');
let PdfjsChromeUtils = {
// For security purposes when running remote, we restrict preferences
// content can access.
_allowedPrefNames: [
"showPreviousViewOnLoad",
"defaultZoomValue",
"sidebarViewOnLoad",
"enableHandToolOnLoad",
"enableWebGL",
"disableRange",
"disableAutoFetch",
"disableFontFace",
"disableTextLayer",
"useOnlyCssZoom"
],
_ppmm: null,
_mmg: null,
/*
* Public API
*/
init: function () {
if (!this._ppmm) {
// global parent process message manager (PPMM)
this._ppmm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
this._ppmm.addMessageListener("PDFJS:Parent:clearUserPref", this);
this._ppmm.addMessageListener("PDFJS:Parent:setIntPref", this);
this._ppmm.addMessageListener("PDFJS:Parent:setBoolPref", this);
this._ppmm.addMessageListener("PDFJS:Parent:setCharPref", this);
this._ppmm.addMessageListener("PDFJS:Parent:setStringPref", this);
this._ppmm.addMessageListener("PDFJS:Parent:isDefaultHandlerApp", this);
// global dom message manager (MMg)
this._mmg = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager);
this._mmg.addMessageListener("PDFJS:Parent:getChromeWindow", this);
this._mmg.addMessageListener("PDFJS:Parent:getFindBar", this);
this._mmg.addMessageListener("PDFJS:Parent:displayWarning", this);
// observer to handle shutdown
Services.obs.addObserver(this, "quit-application", false);
}
},
uninit: function () {
if (this._ppmm) {
this._ppmm.removeMessageListener("PDFJS:Parent:clearUserPref", this);
this._ppmm.removeMessageListener("PDFJS:Parent:setIntPref", this);
this._ppmm.removeMessageListener("PDFJS:Parent:setBoolPref", this);
this._ppmm.removeMessageListener("PDFJS:Parent:setCharPref", this);
this._ppmm.removeMessageListener("PDFJS:Parent:setStringPref", this);
this._ppmm.removeMessageListener("PDFJS:Parent:isDefaultHandlerApp", this);
this._mmg.removeMessageListener("PDFJS:Parent:getChromeWindow", this);
this._mmg.removeMessageListener("PDFJS:Parent:getFindBar", this);
this._mmg.removeMessageListener("PDFJS:Parent:displayWarning", this);
Services.obs.removeObserver(this, "quit-application", false);
this._mmg = null;
this._ppmm = null;
}
},
/*
* Called by the main module when preference changes are picked up
* in the parent process. Observers don't propagate so we need to
* instruct the child to refresh its configuration and (possibly)
* the module's registration.
*/
notifyChildOfSettingsChange: function () {
if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_DEFAULT &&
this._ppmm) {
// XXX kinda bad, we want to get the parent process mm associated
// with the content process. _ppmm is currently the global process
// manager, which means this is going to fire to every child process
// we have open. Unfortunately I can't find a way to get at that
// process specific mm from js.
this._ppmm.broadcastAsyncMessage("PDFJS:Child:refreshSettings", {});
}
},
/*
* Events
*/
observe: function(aSubject, aTopic, aData) {
if (aTopic == "quit-application") {
this.uninit();
}
},
receiveMessage: function (aMsg) {
switch (aMsg.name) {
case "PDFJS:Parent:clearUserPref":
this._clearUserPref(aMsg.json.name);
break;
case "PDFJS:Parent:setIntPref":
this._setIntPref(aMsg.json.name, aMsg.json.value);
break;
case "PDFJS:Parent:setBoolPref":
this._setBoolPref(aMsg.json.name, aMsg.json.value);
break;
case "PDFJS:Parent:setCharPref":
this._setCharPref(aMsg.json.name, aMsg.json.value);
break;
case "PDFJS:Parent:setStringPref":
this._setStringPref(aMsg.json.name, aMsg.json.value);
break;
case "PDFJS:Parent:isDefaultHandlerApp":
return this.isDefaultHandlerApp();
case "PDFJS:Parent:displayWarning":
this._displayWarning(aMsg);
break;
// CPOW getters
case "PDFJS:Parent:getChromeWindow":
return this._getChromeWindow(aMsg);
case "PDFJS:Parent:getFindBar":
return this._getFindBar(aMsg);
}
},
/*
* Internal
*/
_getChromeWindow: function (aMsg) {
// See the child module, our return result here can't be the element
// since return results don't get auto CPOW'd.
let browser = aMsg.target;
let wrapper = new PdfjsWindowWrapper(browser);
let suitcase = aMsg.objects.suitcase;
suitcase.setChromeWindow(wrapper);
return true;
},
_getFindBar: function (aMsg) {
// We send this over via the window's message manager, so target should
// be the dom window.
let browser = aMsg.target;
let wrapper = new PdfjsFindbarWrapper(browser);
let suitcase = aMsg.objects.suitcase;
suitcase.setFindBar(wrapper);
return true;
},
_isPrefAllowed: function (aPrefName) {
if (this._allowedPrefNames.indexOf(aPrefName) == -1) {
let msg = "'" + aPrefName + "' ";
msg += "can't be accessed from content. See PdfjsChromeUtils."
throw new Error(msg);
}
},
_clearUserPref: function (aPrefName) {
this._isPrefAllowed(aPrefName);
Services.prefs.clearUserPref(aPrefName);
},
_setIntPref: function (aPrefName, aPrefValue) {
this._isPrefAllowed(aPrefName);
Services.prefs.setIntPref(aPrefName, aPrefValue);
},
_setBoolPref: function (aPrefName, aPrefValue) {
this._isPrefAllowed(aPrefName);
Services.prefs.setBoolPref(aPrefName, aPrefValue);
},
_setCharPref: function (aPrefName, aPrefValue) {
this._isPrefAllowed(aPrefName);
Services.prefs.setCharPref(aPrefName, aPrefValue);
},
_setStringPref: function (aPrefName, aPrefValue) {
this._isPrefAllowed(aPrefName);
let str = Cc['@mozilla.org/supports-string;1']
.createInstance(Ci.nsISupportsString);
str.data = aPrefValue;
Services.prefs.setComplexValue(aPrefName, Ci.nsISupportsString, str);
},
/*
* Svc.mime doesn't have profile information in the child, so
* we bounce this pdfjs enabled configuration check over to the
* parent.
*/
isDefaultHandlerApp: function () {
var handlerInfo = Svc.mime.getFromTypeAndExtension(PDF_CONTENT_TYPE, 'pdf');
return !handlerInfo.alwaysAskBeforeHandling &&
handlerInfo.preferredAction == Ci.nsIHandlerInfo.handleInternally;
},
/*
* Display a notification warning when the renderer isn't sure
* a pdf displayed correctly.
*/
_displayWarning: function (aMsg) {
let json = aMsg.json;
let browser = aMsg.target;
let cpowCallback = aMsg.objects.callback;
let tabbrowser = browser.getTabBrowser();
let notificationBox = tabbrowser.getNotificationBox(browser);
// Flag so we don't call the response callback twice, since if the user
// clicks open with different viewer both the button callback and
// eventCallback will be called.
let responseSent = false;
let buttons = [{
label: json.label,
accessKey: json.accessKey,
callback: function() {
responseSent = true;
cpowCallback(true);
}
}];
notificationBox.appendNotification(json.message, 'pdfjs-fallback', null,
notificationBox.PRIORITY_INFO_LOW,
buttons,
function eventsCallback(eventType) {
// Currently there is only one event "removed" but if there are any other
// added in the future we still only care about removed at the moment.
if (eventType !== 'removed') {
return;
}
// Don't send a response again if we already responded when the button was
// clicked.
if (responseSent) {
return;
}
cpowCallback(false);
});
}
};
/*
* CPOW security features require chrome objects declare exposed
* properties via __exposedProps__. We don't want to expose things
* directly on the findbar, so we wrap the findbar in a smaller
* object here that supports the features pdf.js needs.
*/
function PdfjsFindbarWrapper(aBrowser) {
let tabbrowser = aBrowser.getTabBrowser();
let tab = tabbrowser._getTabForBrowser(aBrowser);
this._findbar = tabbrowser.getFindBar(tab);
};
PdfjsFindbarWrapper.prototype = {
__exposedProps__: {
addEventListener: "r",
removeEventListener: "r",
updateControlState: "r",
},
_findbar: null,
updateControlState: function (aResult, aFindPrevious) {
this._findbar.updateControlState(aResult, aFindPrevious);
},
addEventListener: function (aType, aListener, aUseCapture, aWantsUntrusted) {
this._findbar.addEventListener(aType, aListener, aUseCapture, aWantsUntrusted);
},
removeEventListener: function (aType, aListener, aUseCapture) {
this._findbar.removeEventListener(aType, aListener, aUseCapture);
}
};
function PdfjsWindowWrapper(aBrowser) {
this._window = aBrowser.ownerDocument.defaultView;
};
PdfjsWindowWrapper.prototype = {
__exposedProps__: {
valueOf: "r",
},
_window: null,
valueOf: function () {
return this._window.valueOf();
}
};

199
extensions/firefox/content/PdfjsContentUtils.jsm Normal file
View File

@ -0,0 +1,199 @@
/* 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.
*/
'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');
XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
"resource://gre/modules/BrowserUtils.jsm");
let 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. If you add additional pdfjs
* prefs update the defaults in DEFAULT_PREFERENCES and in chrome
* utils _allowedPrefNames.
*/
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, aCallback, aLabel, accessKey) {
// the child's dom frame mm associated with the window.
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;
}
};

17
extensions/firefox/content/pdfjschildbootstrap.js Normal file
View File

@ -0,0 +1,17 @@
/* 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/. */
/*
* 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();