uBlock/js/contextmenu.js

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JavaScript
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2014-09-28 10:05:46 -06:00
/*******************************************************************************
µBlock - a Chromium browser extension to block requests.
Copyright (C) 2014 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
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/* global chrome, µBlock */
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/******************************************************************************/
// New namespace
µBlock.contextMenu = (function() {
/******************************************************************************/
var µb = µBlock;
var enabled = false;
/******************************************************************************/
var onContextMenuClicked = function(details, tab) {
if ( details.menuItemId !== 'blockElement' ) {
return;
}
if ( tab === undefined ) {
return;
}
if ( /^https?:\/\//.test(tab.url) === false ) {
return;
}
var tagName = '';
var src = '';
if ( typeof details.frameUrl === 'string' ) {
tagName = 'iframe';
src = details.frameUrl;
} else if ( typeof details.srcUrl === 'string' ) {
if ( details.mediaType === 'image' ) {
tagName = 'img';
} else if ( details.mediaType === 'video' ) {
tagName = 'video';
} else if ( details.mediaType === 'audio' ) {
tagName = 'audio';
}
src = details.srcUrl;
} else if ( typeof details.linkUrl === 'string' ) {
tagName = 'a';
src = details.linkUrl;
}
µb.elementPickerExec(tab.id, tagName + '\t' + src);
};
/******************************************************************************/
var toggleMenu = function(on) {
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// In case the permission for contextMenu was not granted.
if ( chrome.contextMenus === undefined ) {
return;
}
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// This needs to be local scope: we can't reuse it for more than one
// menu creation call.
var menuCreateDetails = {
id: 'blockElement',
title: chrome.i18n.getMessage('pickerContextMenuEntry'),
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contexts: ['page', 'editable', 'frame', 'link', 'image', 'video'],
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documentUrlPatterns: ['https://*/*', 'http://*/*']
};
if ( on === true && enabled === false ) {
chrome.contextMenus.create(menuCreateDetails);
chrome.contextMenus.onClicked.addListener(onContextMenuClicked);
enabled = true;
} else if ( on !== true && enabled === true ) {
chrome.contextMenus.onClicked.removeListener(onContextMenuClicked);
chrome.contextMenus.remove(menuCreateDetails.id);
enabled = false;
}
};
/******************************************************************************/
return {
toggle: toggleMenu
};
/******************************************************************************/
})();