gecko-dev/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm

83 строки
2.2 KiB
JavaScript

/* 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 { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
var PdfjsContentUtils = {
_mm: Services.cpmm,
/*
* Public API
*/
/*
* 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(aPrefName) {
this._mm.sendSyncMessage("PDFJS:Parent:clearUserPref", {
name: aPrefName,
});
},
setIntPref(aPrefName, aPrefValue) {
this._mm.sendSyncMessage("PDFJS:Parent:setIntPref", {
name: aPrefName,
value: aPrefValue,
});
},
setBoolPref(aPrefName, aPrefValue) {
this._mm.sendSyncMessage("PDFJS:Parent:setBoolPref", {
name: aPrefName,
value: aPrefValue,
});
},
setCharPref(aPrefName, aPrefValue) {
this._mm.sendSyncMessage("PDFJS:Parent:setCharPref", {
name: aPrefName,
value: aPrefValue,
});
},
setStringPref(aPrefName, aPrefValue) {
this._mm.sendSyncMessage("PDFJS:Parent:setStringPref", {
name: aPrefName,
value: aPrefValue,
});
},
/*
* Request the display of a notification warning in the associated window
* when the renderer isn't sure a pdf displayed correctly.
*/
displayWarning(aWindow, aMessage, aLabel, aAccessKey) {
// the child's dom frame mm associated with the window.
let winmm = aWindow.docShell.messageManager;
winmm.sendAsyncMessage("PDFJS:Parent:displayWarning", {
message: aMessage,
label: aLabel,
accessKey: aAccessKey,
});
},
};