mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-24 11:22:44 +01:00
834 lines
24 KiB
JavaScript
834 lines
24 KiB
JavaScript
/*******************************************************************************
|
||
|
||
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
|
||
*/
|
||
|
||
/* global CSS, chrome */
|
||
|
||
/******************************************************************************/
|
||
/******************************************************************************/
|
||
|
||
/*! http://mths.be/cssescape v0.2.1 by @mathias | MIT license */
|
||
;(function(root) {
|
||
|
||
if (!root.CSS) {
|
||
root.CSS = {};
|
||
}
|
||
|
||
var CSS = root.CSS;
|
||
|
||
var InvalidCharacterError = function(message) {
|
||
this.message = message;
|
||
};
|
||
InvalidCharacterError.prototype = new Error;
|
||
InvalidCharacterError.prototype.name = 'InvalidCharacterError';
|
||
|
||
if (!CSS.escape) {
|
||
// http://dev.w3.org/csswg/cssom/#serialize-an-identifier
|
||
CSS.escape = function(value) {
|
||
var string = String(value);
|
||
var length = string.length;
|
||
var index = -1;
|
||
var codeUnit;
|
||
var result = '';
|
||
var firstCodeUnit = string.charCodeAt(0);
|
||
while (++index < length) {
|
||
codeUnit = string.charCodeAt(index);
|
||
// Note: there’s no need to special-case astral symbols, surrogate
|
||
// pairs, or lone surrogates.
|
||
|
||
// If the character is NULL (U+0000), then throw an
|
||
// `InvalidCharacterError` exception and terminate these steps.
|
||
if (codeUnit === 0x0000) {
|
||
throw new InvalidCharacterError(
|
||
'Invalid character: the input contains U+0000.'
|
||
);
|
||
}
|
||
|
||
if (
|
||
// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
|
||
// U+007F, […]
|
||
(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
|
||
// If the character is the first character and is in the range [0-9]
|
||
// (U+0030 to U+0039), […]
|
||
(index === 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
|
||
// If the character is the second character and is in the range [0-9]
|
||
// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
|
||
(
|
||
index == 1 &&
|
||
codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
|
||
firstCodeUnit == 0x002D
|
||
)
|
||
) {
|
||
// http://dev.w3.org/csswg/cssom/#escape-a-character-as-code-point
|
||
result += '\\' + codeUnit.toString(16) + ' ';
|
||
continue;
|
||
}
|
||
|
||
// If the character is not handled by one of the above rules and is
|
||
// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
|
||
// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
|
||
// U+005A), or [a-z] (U+0061 to U+007A), […]
|
||
if (
|
||
codeUnit >= 0x0080 ||
|
||
codeUnit == 0x002D ||
|
||
codeUnit == 0x005F ||
|
||
codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
|
||
codeUnit >= 0x0041 && codeUnit <= 0x005A ||
|
||
codeUnit >= 0x0061 && codeUnit <= 0x007A
|
||
) {
|
||
// the character itself
|
||
result += string.charAt(index);
|
||
continue;
|
||
}
|
||
|
||
// Otherwise, the escaped character.
|
||
// http://dev.w3.org/csswg/cssom/#escape-a-character
|
||
result += '\\' + string.charAt(index);
|
||
|
||
}
|
||
return result;
|
||
};
|
||
}
|
||
|
||
}(typeof global != 'undefined' ? global : this));
|
||
|
||
/******************************************************************************/
|
||
/******************************************************************************/
|
||
|
||
// Cut & pasted here from reference implementation in messaging-client.js
|
||
// because this is an injected script.
|
||
|
||
var messaging = (function(name){
|
||
var port = null;
|
||
var dangling = false;
|
||
var requestId = 1;
|
||
var requestIdToCallbackMap = {};
|
||
var listenCallback = null;
|
||
|
||
var onPortMessage = function(details) {
|
||
if ( typeof details.id !== 'number' ) {
|
||
return;
|
||
}
|
||
// Announcement?
|
||
if ( details.id < 0 ) {
|
||
if ( listenCallback ) {
|
||
listenCallback(details.msg);
|
||
}
|
||
return;
|
||
}
|
||
var callback = requestIdToCallbackMap[details.id];
|
||
if ( !callback ) {
|
||
return;
|
||
}
|
||
callback(details.msg);
|
||
delete requestIdToCallbackMap[details.id];
|
||
checkDisconnect();
|
||
};
|
||
|
||
var start = function(name) {
|
||
port = chrome.runtime.connect({
|
||
name: name +
|
||
'/' +
|
||
String.fromCharCode(
|
||
Math.random() * 0x7FFF | 0,
|
||
Math.random() * 0x7FFF | 0,
|
||
Math.random() * 0x7FFF | 0,
|
||
Math.random() * 0x7FFF | 0
|
||
)
|
||
});
|
||
port.onMessage.addListener(onPortMessage);
|
||
};
|
||
|
||
if ( typeof name === 'string' && name.length > 0 ) {
|
||
start(name);
|
||
}
|
||
|
||
var stop = function() {
|
||
listenCallback = null;
|
||
dangling = true;
|
||
checkDisconnect();
|
||
};
|
||
|
||
var ask = function(msg, callback) {
|
||
if ( !callback ) {
|
||
tell(msg);
|
||
return;
|
||
}
|
||
var id = requestId++;
|
||
port.postMessage({ id: id, msg: msg });
|
||
requestIdToCallbackMap[id] = callback;
|
||
};
|
||
|
||
var tell = function(msg) {
|
||
port.postMessage({ id: 0, msg: msg });
|
||
};
|
||
|
||
var listen = function(callback) {
|
||
listenCallback = callback;
|
||
};
|
||
|
||
var checkDisconnect = function() {
|
||
if ( !dangling ) {
|
||
return;
|
||
}
|
||
if ( Object.keys(requestIdToCallbackMap).length ) {
|
||
return;
|
||
}
|
||
port.disconnect();
|
||
port = null;
|
||
};
|
||
|
||
return {
|
||
start: start,
|
||
stop: stop,
|
||
ask: ask,
|
||
tell: tell,
|
||
listen: listen
|
||
};
|
||
})('element-picker.js');
|
||
|
||
/******************************************************************************/
|
||
/******************************************************************************/
|
||
|
||
(function() {
|
||
|
||
/******************************************************************************/
|
||
|
||
var µBlockClassName = CSS.escape('µBlock');
|
||
var svgns = 'http://www.w3.org/2000/svg';
|
||
|
||
var pickerRoot = null;
|
||
var svgRoot = null;
|
||
var svgOcean = null;
|
||
var svgIslands = null;
|
||
var divDialog = null;
|
||
var taCandidate = null;
|
||
|
||
var targetElements = [];
|
||
|
||
/******************************************************************************/
|
||
|
||
var pickerPaused = function() {
|
||
return /(^| )paused( |$)/.test(pickerRoot.className);
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var pausePicker = function() {
|
||
pickerRoot.className += ' paused';
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var unpausePicker = function() {
|
||
pickerRoot.className = pickerRoot.className.replace(/(^| )paused( |$)/g, '').trim();
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var pickerRootDistance = function(elem) {
|
||
var distance = 0;
|
||
while ( elem ) {
|
||
if ( elem === pickerRoot ) {
|
||
return distance;
|
||
}
|
||
elem = elem.parentNode;
|
||
distance += 1;
|
||
}
|
||
return -1;
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var highlightElements = function(elems, force) {
|
||
// To make mouse move handler more efficient
|
||
if ( !force && elems.length === targetElements.length ) {
|
||
if ( elems.length === 0 || elems[0] === targetElements[0] ) {
|
||
return;
|
||
}
|
||
}
|
||
targetElements = elems;
|
||
var offx = window.pageXOffset;
|
||
var offy = window.pageYOffset;
|
||
var ow = svgRoot.getAttribute('width');
|
||
var ocean = [
|
||
'M0 0',
|
||
'h', ow,
|
||
'v', svgRoot.getAttribute('height'),
|
||
'h-', ow,
|
||
'z'
|
||
];
|
||
var islands = [];
|
||
var elem, r;
|
||
for ( var i = 0; i < elems.length; i++ ) {
|
||
elem = elems[i];
|
||
if ( typeof elem.getBoundingClientRect !== 'function' ) {
|
||
continue;
|
||
}
|
||
r = elem.getBoundingClientRect();
|
||
ocean.push(
|
||
'M', r.left + offx, ' ', r.top + offy,
|
||
'h', r.width,
|
||
'v', r.height,
|
||
'h-', r.width,
|
||
'z'
|
||
);
|
||
islands.push(
|
||
'M', r.left + offx, ' ', r.top + offy,
|
||
'h', r.width,
|
||
'v', r.height,
|
||
'h-', r.width,
|
||
'z'
|
||
);
|
||
}
|
||
svgOcean.setAttribute('d', ocean.join(''));
|
||
svgIslands.setAttribute('d', islands.join(''));
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var removeElements = function(elems) {
|
||
var i = elems.length, elem;
|
||
while ( i-- ) {
|
||
elem = elems[i];
|
||
if ( elem.parentNode ) {
|
||
elem.parentNode.removeChild(elem);
|
||
}
|
||
}
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
// Extract the best possible net filter, i.e. as specific as possible.
|
||
|
||
var netFilterFromElement = function(elem) {
|
||
if ( elem === null ) {
|
||
return;
|
||
}
|
||
if ( elem.nodeType !== 1 ) {
|
||
return;
|
||
}
|
||
var tagName = elem.tagName.toLowerCase();
|
||
if ( tagName !== 'img' && tagName !== 'iframe' ) {
|
||
return;
|
||
}
|
||
if ( typeof elem.src !== 'string' || elem.src.length === 0 ) {
|
||
return;
|
||
}
|
||
return elem.src.replace(/^https?:\/\//, '||').replace(/\?.*$/, '');
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
// Extract the best possible cosmetic filter, i.e. as specific as possible.
|
||
|
||
var cosmeticFilterFromElement = function(elem) {
|
||
if ( elem === null ) {
|
||
return;
|
||
}
|
||
if ( elem.nodeType !== 1 ) {
|
||
return;
|
||
}
|
||
var tagName = elem.tagName.toLowerCase();
|
||
var prefix = '';
|
||
var suffix = [];
|
||
var v;
|
||
|
||
// Id
|
||
v = typeof elem.id === 'string' && CSS.escape(elem.id);
|
||
if ( v ) {
|
||
suffix.push('#', v);
|
||
}
|
||
|
||
// Class(es)
|
||
v = typeof elem.className === 'string' && elem.className.trim();
|
||
if ( v.length ) {
|
||
v = v.split(/\s+/);
|
||
var i = v.length;
|
||
while ( i-- ) {
|
||
v[i] = CSS.escape(v[i]);
|
||
}
|
||
suffix.push('.', v.join('.'));
|
||
}
|
||
|
||
if ( suffix.length === 0 ) {
|
||
prefix = tagName;
|
||
}
|
||
|
||
// Attributes (depends on tag name)
|
||
var attributes = [], attr;
|
||
switch ( tagName ) {
|
||
case 'a':
|
||
v = elem.getAttribute('href');
|
||
if ( v ) {
|
||
v = v.replace(/\?.*$/, '');
|
||
}
|
||
attributes.push({ k: 'href', v: v });
|
||
break;
|
||
case 'img':
|
||
v = elem.getAttribute('alt');
|
||
if ( v && v.length !== 0 ) {
|
||
attributes.push({ k: 'alt', v: v });
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
while ( attr = attributes.pop() ) {
|
||
if ( attr.v.length === 0 ) {
|
||
continue;
|
||
}
|
||
v = elem.getAttribute(attr.k);
|
||
if ( attr.v === v ) {
|
||
suffix.push('[', attr.k, '="', attr.v, '"]');
|
||
} else if ( v.indexOf(attr.v) === 0 ) {
|
||
suffix.push('[', attr.k, '^="', attr.v, '"]');
|
||
} else {
|
||
suffix.push('[', attr.k, '*="', attr.v, '"]');
|
||
}
|
||
}
|
||
|
||
return '##' + prefix + suffix.join('');
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var selectorFromCandidate = function() {
|
||
var selector = '';
|
||
var v = taCandidate.value;
|
||
if ( v.indexOf('##') === 0 ) {
|
||
selector = v.replace('##', '');
|
||
} else {
|
||
var matches = v.match(/^\|\|([^$]+)$/);
|
||
if ( matches && matches.length === 2 ) {
|
||
selector = '[src*="' + matches[1] + '"]';
|
||
} else {
|
||
return '';
|
||
}
|
||
}
|
||
try {
|
||
if ( document.querySelector(selector) === null ) {
|
||
return '';
|
||
}
|
||
}
|
||
catch (e) {
|
||
return '';
|
||
}
|
||
return selector;
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var userFilterFromCandidate = function() {
|
||
if ( selectorFromCandidate() === '' ) {
|
||
return false;
|
||
}
|
||
|
||
var v = taCandidate.value;
|
||
|
||
// Cosmetic filter?
|
||
var matches = v.match(/^##.+$/);
|
||
if ( matches ) {
|
||
return window.location.hostname + matches[0];
|
||
}
|
||
|
||
// Net filter?
|
||
matches = v.match(/^\|\|[^$]+$/);
|
||
if ( matches ) {
|
||
return matches[0] + '$domain=' + window.location.hostname;
|
||
}
|
||
|
||
return false;
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var onCandidateChanged = function(ev) {
|
||
var selector = selectorFromCandidate();
|
||
divDialog.querySelector('#create').disabled = selector === '';
|
||
if ( selector === '' ) {
|
||
highlightElements([]);
|
||
return;
|
||
}
|
||
highlightElements(document.querySelectorAll(selector));
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var candidateFromClickEvent = function(ev) {
|
||
var target = ev.target;
|
||
if ( !target ) {
|
||
return '';
|
||
}
|
||
|
||
// Bare
|
||
if ( ev.ctrlKey || ev.metaKey ) {
|
||
return target.textContent;
|
||
}
|
||
|
||
// For net filters there no such thing as a path
|
||
if ( target.textContent.slice(0, 2) === '||' ) {
|
||
return target.textContent;
|
||
}
|
||
|
||
// Return path: the target element, then all siblings prepended
|
||
var selector = [];
|
||
while ( target ) {
|
||
if ( target.nodeType !== 1 || target.tagName.toLowerCase() !== 'li' ) {
|
||
continue;
|
||
}
|
||
selector.unshift(target.textContent.replace(/^##/, ''));
|
||
target = target.nextSibling;
|
||
}
|
||
return '##' + selector.join(' > ');
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var onDialogClicked = function(ev) {
|
||
if ( ev.target === null ) {
|
||
/* do nothing */
|
||
}
|
||
|
||
else if ( ev.target.id === 'create' ) {
|
||
var filter = userFilterFromCandidate();
|
||
if ( filter ) {
|
||
messaging.tell({ what: 'createUserFilter', filters: filter });
|
||
removeElements(document.querySelectorAll(selectorFromCandidate()));
|
||
stopPicker();
|
||
}
|
||
}
|
||
|
||
else if ( ev.target.id === 'pick' ) {
|
||
unpausePicker();
|
||
}
|
||
|
||
else if ( ev.target.id === 'quit' ) {
|
||
stopPicker();
|
||
}
|
||
|
||
else if ( ev.target.tagName.toLowerCase() === 'li' && pickerRootDistance(ev.target) === 5 ) {
|
||
taCandidate.value = candidateFromClickEvent(ev);
|
||
onCandidateChanged();
|
||
}
|
||
|
||
ev.stopPropagation();
|
||
ev.preventDefault();
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var removeAllChildren = function(parent) {
|
||
while ( parent.firstChild ) {
|
||
parent.removeChild(parent.firstChild);
|
||
}
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
// TODO: for convenience I could provide a small set of net filters instead
|
||
// of just a single one. Truncating the right-most part of the path etc.
|
||
|
||
var showDialog = function(filters) {
|
||
var divNet = divDialog.querySelector('ul > li:nth-of-type(1) > ul');
|
||
var divCosmetic = divDialog.querySelector('ul > li:nth-of-type(2) > ul');
|
||
removeAllChildren(divCosmetic);
|
||
removeAllChildren(divNet);
|
||
var filter, li;
|
||
for ( var i = 0; i < filters.length; i++ ) {
|
||
filter = filters[i];
|
||
li = document.createElement('li');
|
||
li.textContent = filter;
|
||
if ( filter.indexOf('##') === 0 ) {
|
||
divCosmetic.appendChild(li);
|
||
} else {
|
||
divNet.appendChild(li);
|
||
}
|
||
}
|
||
divDialog.querySelector('ul > li:nth-of-type(1)').style.display = divNet.firstChild ? '' : 'none';
|
||
divDialog.querySelector('ul > li:nth-of-type(2)').style.display = divCosmetic.firstChild ? '' : 'none';
|
||
divDialog.querySelector('ul').style.display = divNet.firstChild || divCosmetic.firstChild ? '' : 'none';
|
||
taCandidate.value = '';
|
||
divDialog.querySelector('#create').disabled = true;
|
||
pausePicker();
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var onSvgHovered = function(ev) {
|
||
if ( pickerPaused() ) {
|
||
return;
|
||
}
|
||
|
||
svgRoot.style.pointerEvents = 'none';
|
||
var elem = document.elementFromPoint(ev.clientX, ev.clientY);
|
||
if ( elem == document.body || elem === document.documentElement ) {
|
||
elem = null;
|
||
}
|
||
highlightElements(elem ? [elem] : []);
|
||
svgRoot.style.pointerEvents = 'auto';
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var onSvgClicked = function() {
|
||
if ( pickerPaused() ) {
|
||
return;
|
||
}
|
||
|
||
var filter;
|
||
var filters = [];
|
||
for ( var elem = targetElements[0]; elem && elem !== document.body; elem = elem.parentNode ) {
|
||
if ( filter = cosmeticFilterFromElement(elem) ) {
|
||
filters.push(filter);
|
||
}
|
||
if ( filter = netFilterFromElement(elem) ) {
|
||
filters.push(filter);
|
||
}
|
||
}
|
||
showDialog(filters);
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var onKeyPressed = function(ev) {
|
||
if ( ev.key === 27 || ev.keyCode === 27 ) {
|
||
ev.stopPropagation();
|
||
ev.preventDefault();
|
||
stopPicker();
|
||
}
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var stopPicker = function() {
|
||
if ( pickerRoot !== null ) {
|
||
document.removeEventListener('keydown', onKeyPressed);
|
||
taCandidate.removeEventListener('input', onCandidateChanged);
|
||
divDialog.removeEventListener('click', onDialogClicked);
|
||
svgRoot.removeEventListener('mousemove', onSvgHovered);
|
||
svgRoot.removeEventListener('click', onSvgClicked);
|
||
document.body.removeChild(pickerRoot);
|
||
pickerRoot = divDialog = svgRoot = svgOcean = svgIslands = taCandidate = null;
|
||
messaging.stop();
|
||
}
|
||
targetElements = [];
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
var startPicker = function() {
|
||
pickerRoot = document.querySelector('.' + µBlockClassName);
|
||
if ( pickerRoot !== null ) {
|
||
return;
|
||
}
|
||
pickerRoot = document.createElement('div');
|
||
pickerRoot.className = µBlockClassName;
|
||
|
||
var pickerStyle = document.createElement('style');
|
||
pickerStyle.setAttribute('scoped', '');
|
||
pickerStyle.textContent = [
|
||
'.µBlock {',
|
||
'position: absolute;',
|
||
'top: 0;',
|
||
'left: 0;',
|
||
'}',
|
||
'.µBlock, .µBlock * {',
|
||
'margin: 0;',
|
||
'padding: 0;',
|
||
'border: 0;',
|
||
'outline: 0;',
|
||
'font: 12px sans-serif;',
|
||
'text-transform: none;',
|
||
'vertical-align: baseline;',
|
||
'color: #000;',
|
||
'background: transparent;',
|
||
'}',
|
||
'.µBlock button {',
|
||
'border: 1px solid #aaa;',
|
||
'padding: 6px 8px 4px 8px;',
|
||
'box-sizing: border-box;',
|
||
'box-shadow: none;',
|
||
'border-radius: 3px;',
|
||
'display: inline;',
|
||
'line-height: 1;',
|
||
'color: #444;',
|
||
'background-color: #ccc;',
|
||
'cursor: pointer;',
|
||
'}',
|
||
'.µBlock button:hover {',
|
||
'background-color: #eee;',
|
||
'}',
|
||
'.µBlock button:disabled {',
|
||
'color: #999;',
|
||
'background-color: #ccc;',
|
||
'}',
|
||
'.µBlock > svg {',
|
||
'position: absolute;',
|
||
'top: 0;',
|
||
'left: 0;',
|
||
'cursor: crosshair;',
|
||
'z-index: 4999999999;',
|
||
'}',
|
||
'.µBlock.paused > svg {',
|
||
'cursor: wait;',
|
||
'}',
|
||
'.µBlock > svg > path:first-child {',
|
||
'fill: rgba(0,0,0,0.75);',
|
||
'fill-rule: evenodd;',
|
||
'}',
|
||
'.µBlock > svg > path + path {',
|
||
'stroke: #F00;',
|
||
'stroke-width: 0.5px;',
|
||
'fill: rgba(255,0,0,0.25);',
|
||
'}',
|
||
'.µBlock > div {',
|
||
'padding: 4px;',
|
||
'display: none;',
|
||
'position: fixed;',
|
||
'right: 4px;',
|
||
'bottom: 4px;',
|
||
'width: 30em;',
|
||
'font: 12px sans-serif;',
|
||
'background-color: rgba(255,255,255,0.9);',
|
||
'z-index: 5999999999;',
|
||
'}',
|
||
'.µBlock.paused > div {',
|
||
'display: initial;',
|
||
'}',
|
||
'.µBlock > div > div {',
|
||
'padding: 0;',
|
||
'box-sizing: border-box;',
|
||
'width: 100%;',
|
||
'height: 8em;',
|
||
'position: relative;',
|
||
'}',
|
||
'.µBlock > div > div > textarea {',
|
||
'border: 1px solid #ccc;',
|
||
'padding: 2px;',
|
||
'box-sizing: border-box;',
|
||
'width: 100%;',
|
||
'height: 100%;',
|
||
'overflow: hidden;',
|
||
'resize: none;',
|
||
'background-color: white;',
|
||
'font: 11px monospace;',
|
||
'}',
|
||
'.µBlock > div > div > div {',
|
||
'position: absolute;',
|
||
'right: 2px;',
|
||
'bottom: 2px;',
|
||
'opacity: 0.2;',
|
||
'}',
|
||
'.µBlock > div > div > div:hover {',
|
||
'opacity: 1;',
|
||
'}',
|
||
'.µBlock > div > div > div > * {',
|
||
'margin-left: 3px;',
|
||
'}',
|
||
'.µBlock > div > ul {',
|
||
'margin: 0;',
|
||
'border: 1px solid #ccc;',
|
||
'padding: 3px;',
|
||
'list-style-type: none;',
|
||
'text-align: left;',
|
||
'overflow: hidden;',
|
||
'}',
|
||
'.µBlock > div > ul > li > ul {',
|
||
'margin: 0 0 0 1em;',
|
||
'list-style-type: none;',
|
||
'text-align: left;',
|
||
'background-color: #eee;',
|
||
'overflow: hidden;',
|
||
'}',
|
||
'.µBlock > div > ul > li > ul > li {',
|
||
'font: 11px monospace;',
|
||
'white-space: nowrap;',
|
||
'cursor: pointer;',
|
||
'}',
|
||
'.µBlock > div > ul > li > ul > li:hover {',
|
||
'background-color: rgba(255,255,255,1.0);',
|
||
'}',
|
||
''
|
||
].join('\n');
|
||
pickerRoot.appendChild(pickerStyle);
|
||
|
||
svgRoot = document.createElementNS(svgns, 'svg');
|
||
svgRoot.innerHTML = '<path /><path />';
|
||
var svgWidth = document.documentElement.scrollWidth;
|
||
var svgHeight = document.documentElement.scrollHeight;
|
||
svgRoot.setAttribute('x', 0);
|
||
svgRoot.setAttribute('y', 0);
|
||
svgRoot.setAttribute('width', svgWidth);
|
||
svgRoot.setAttribute('height', svgHeight);
|
||
svgRoot.setAttribute("viewBox", '0 0 ' + svgWidth + ' ' + svgHeight);
|
||
svgOcean = svgRoot.querySelector('path:first-child');
|
||
svgIslands = svgRoot.querySelector('path + path');
|
||
pickerRoot.appendChild(svgRoot);
|
||
|
||
// TODO: do not rely on element ids, they could collide with whatever
|
||
// is used in the page. Just use built-in hierarchy of elements as
|
||
// selectors.
|
||
|
||
divDialog = document.createElement('div');
|
||
divDialog.innerHTML = [
|
||
'<div>',
|
||
'<textarea spellcheck="false"></textarea>',
|
||
'<div>',
|
||
'<button id="create" type="button" disabled>.</button>',
|
||
'<button id="pick" type="button">.</button>',
|
||
'<button id="quit" type="button">.</button>',
|
||
'</div>',
|
||
'</div>',
|
||
'<ul>',
|
||
'<li>.<ul></ul>',
|
||
'<li>.<ul></ul>',
|
||
'</ul>',
|
||
''
|
||
].join('');
|
||
pickerRoot.appendChild(divDialog);
|
||
|
||
document.body.appendChild(pickerRoot);
|
||
svgRoot.addEventListener('click', onSvgClicked);
|
||
svgRoot.addEventListener('mousemove', onSvgHovered);
|
||
divDialog.addEventListener('click', onDialogClicked);
|
||
taCandidate = divDialog.querySelector('textarea');
|
||
taCandidate.addEventListener('input', onCandidateChanged);
|
||
document.addEventListener('keydown', onKeyPressed);
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
startPicker();
|
||
|
||
/******************************************************************************/
|
||
|
||
messaging.ask({ what: 'i18n' }, function(details) {
|
||
divDialog.querySelector('#create').firstChild.nodeValue = details.create;
|
||
divDialog.querySelector('#pick').firstChild.nodeValue = details.pick;
|
||
divDialog.querySelector('#quit').firstChild.nodeValue = details.quit;
|
||
divDialog.querySelector('ul > li:nth-of-type(1)').firstChild.nodeValue = details.netFilters;
|
||
divDialog.querySelector('ul > li:nth-of-type(2)').firstChild.nodeValue = details.cosmeticFilters;
|
||
});
|
||
|
||
/******************************************************************************/
|
||
|
||
})();
|