uBlock/src/js/contextmenu.js

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/*******************************************************************************
uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-2017 Raymond Hill
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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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'use strict';
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/******************************************************************************/
µBlock.contextMenu = (function() {
/******************************************************************************/
if ( vAPI.contextMenu === undefined ) {
return {
update: function() {}
};
}
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var µb = µBlock;
/******************************************************************************/
var onBlockElement = function(details, tab) {
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if ( tab === undefined ) {
return;
}
if ( /^https?:\/\//.test(tab.url) === false ) {
return;
}
var tagName = details.tagName || '';
var src = details.frameUrl || details.srcUrl || details.linkUrl || '';
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if ( !tagName ) {
if ( typeof details.frameUrl === 'string' ) {
tagName = 'iframe';
} 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';
}
} else if ( typeof details.linkUrl === 'string' ) {
tagName = 'a';
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}
}
µb.elementPickerExec(tab.id, tagName + '\t' + src);
};
/******************************************************************************/
var onTemporarilyAllowLargeMediaElements = function(details, tab) {
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if ( tab === undefined ) { return; }
var pageStore = µb.pageStoreFromTabId(tab.id);
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if ( pageStore === null ) { return; }
pageStore.temporarilyAllowLargeMediaElements(true);
};
/******************************************************************************/
var onEntryClicked = function(details, tab) {
if ( details.menuItemId === 'uBlock0-blockElement' ) {
return onBlockElement(details, tab);
}
if ( details.menuItemId === 'uBlock0-temporarilyAllowLargeMediaElements' ) {
return onTemporarilyAllowLargeMediaElements(details, tab);
}
};
/******************************************************************************/
var menuEntries = [
{
id: 'uBlock0-blockElement',
title: vAPI.i18n('pickerContextMenuEntry'),
contexts: ['all'],
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documentUrlPatterns: ['https://*/*', 'http://*/*']
},
{
id: 'uBlock0-temporarilyAllowLargeMediaElements',
title: vAPI.i18n('contextMenuTemporarilyAllowLargeMediaElements'),
contexts: ['all'],
documentUrlPatterns: ['https://*/*', 'http://*/*']
}
];
/******************************************************************************/
var update = function(tabId) {
var newBits = 0;
if ( µb.userSettings.contextMenuEnabled && tabId !== null ) {
var pageStore = µb.pageStoreFromTabId(tabId);
if ( pageStore ) {
newBits |= 0x01;
if ( pageStore.largeMediaCount !== 0 ) {
newBits |= 0x02;
}
}
}
if ( newBits === currentBits ) {
return;
}
currentBits = newBits;
var usedEntries = [];
if ( newBits & 0x01 ) {
usedEntries.push(menuEntries[0]);
}
if ( newBits & 0x02 ) {
usedEntries.push(menuEntries[1]);
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}
vAPI.contextMenu.setEntries(usedEntries, onEntryClicked);
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};
var currentBits = 0;
vAPI.contextMenu.onMustUpdate = update;
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/******************************************************************************/
return {
update: function(tabId) {
if ( µb.userSettings.contextMenuEnabled && tabId === undefined ) {
vAPI.tabs.get(null, function(tab) {
if ( tab ) {
update(tab.id);
}
});
return;
}
update(tabId);
}
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};
/******************************************************************************/
})();