Jim Mathies
11 years ago
committed by
Yury Delendik
5 changed files with 621 additions and 83 deletions
@ -0,0 +1,321 @@
@@ -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(); |
||||
} |
||||
}; |
||||
|
||||
@ -0,0 +1,199 @@
@@ -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; |
||||
} |
||||
}; |
||||
@ -0,0 +1,17 @@
@@ -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(); |
||||
Loading…
Reference in new issue