uBlock/src/js/dashboard-common.js

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/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-2018 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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/* global CodeMirror, uDom */
'use strict';
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/******************************************************************************/
self.uBlockDashboard = self.uBlockDashboard || {};
/******************************************************************************/
// Helper for client panes:
// Remove literal duplicate lines from a set based on another set.
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self.uBlockDashboard.mergeNewLines = function(text, newText) {
var lineBeg, textEnd, lineEnd;
var line, hash, bucket;
// Step 1: build dictionary for existing lines.
var fromDict = Object.create(null);
lineBeg = 0;
textEnd = text.length;
while ( lineBeg < textEnd ) {
lineEnd = text.indexOf('\n', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = text.indexOf('\r', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = textEnd;
}
}
line = text.slice(lineBeg, lineEnd).trim();
lineBeg = lineEnd + 1;
if ( line.length === 0 ) {
continue;
}
hash = line.slice(0, 8);
bucket = fromDict[hash];
if ( bucket === undefined ) {
fromDict[hash] = line;
} else if ( typeof bucket === 'string' ) {
fromDict[hash] = [bucket, line];
} else /* if ( Array.isArray(bucket) ) */ {
bucket.push(line);
}
}
// Step 2: use above dictionary to filter out duplicate lines.
var out = [ '' ];
lineBeg = 0;
textEnd = newText.length;
while ( lineBeg < textEnd ) {
lineEnd = newText.indexOf('\n', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = newText.indexOf('\r', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = textEnd;
}
}
line = newText.slice(lineBeg, lineEnd).trim();
lineBeg = lineEnd + 1;
if ( line.length === 0 ) {
if ( out[out.length - 1] !== '' ) {
out.push('');
}
continue;
}
bucket = fromDict[line.slice(0, 8)];
if ( bucket === undefined ) {
out.push(line);
continue;
}
if ( typeof bucket === 'string' && line !== bucket ) {
out.push(line);
continue;
}
if ( bucket.indexOf(line) === -1 ) {
out.push(line);
/* continue; */
}
}
return text.trim() + '\n' + out.join('\n');
};
/******************************************************************************/
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self.uBlockDashboard.dateNowToSensibleString = function() {
var now = new Date(Date.now() - (new Date()).getTimezoneOffset() * 60000);
return now.toISOString().replace(/\.\d+Z$/, '')
.replace(/:/g, '.')
.replace('T', '_');
};
/******************************************************************************/
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self.uBlockDashboard.patchCodeMirrorEditor = (function() {
var grabFocusTimer;
var grabFocusTarget;
var grabFocus = function() {
grabFocusTarget.focus();
grabFocusTimer = grabFocusTarget = undefined;
};
var grabFocusAsync = function(cm) {
grabFocusTarget = cm;
if ( grabFocusTimer === undefined ) {
grabFocusTimer = vAPI.setTimeout(grabFocus, 1);
}
};
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// https://github.com/gorhill/uBlock/issues/3646
var patchSelectAll = function(cm, details) {
var vp = cm.getViewport();
if ( details.ranges.length !== 1 ) { return; }
var range = details.ranges[0],
lineFrom = range.anchor.line,
lineTo = range.head.line;
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if ( lineTo === lineFrom ) { return; }
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if ( range.head.ch !== 0 ) { lineTo += 1; }
if ( lineFrom !== vp.from || lineTo !== vp.to ) { return; }
details.update([
{
anchor: { line: 0, ch: 0 },
head: { line: cm.lineCount(), ch: 0 }
}
]);
grabFocusAsync(cm);
};
var lastGutterClick = 0;
var lastGutterLine = 0;
var onGutterClicked = function(cm, line) {
var delta = Date.now() - lastGutterClick;
if ( delta >= 500 || line !== lastGutterLine ) {
cm.setSelection(
{ line: line, ch: 0 },
{ line: line + 1, ch: 0 }
);
lastGutterClick = Date.now();
lastGutterLine = line;
} else {
cm.setSelection(
{ line: 0, ch: 0 },
{ line: cm.lineCount(), ch: 0 },
{ scroll: false }
);
lastGutterClick = 0;
}
grabFocusAsync(cm);
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};
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var resizeTimer,
resizeObserver;
var resize = function(cm) {
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resizeTimer = undefined;
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var child = document.querySelector('.codeMirrorFillVertical');
if ( child === null ) { return; }
var prect = document.documentElement.getBoundingClientRect();
var crect = child.getBoundingClientRect();
var cssHeight = Math.floor(Math.max(prect.bottom - crect.top, 80)) + 'px';
if ( child.style.height !== cssHeight ) {
child.style.height = cssHeight;
if ( cm instanceof CodeMirror ) {
cm.refresh();
}
}
};
var resizeAsync = function(cm, delay) {
if ( resizeTimer !== undefined ) { return; }
resizeTimer = vAPI.setTimeout(
resize.bind(null, cm),
typeof delay === 'number' ? delay : 66
);
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};
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return function(cm) {
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if ( document.querySelector('.codeMirrorFillVertical') !== null ) {
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var boundResizeAsync = resizeAsync.bind(null, cm);
window.addEventListener('resize', boundResizeAsync);
resizeObserver = new MutationObserver(boundResizeAsync);
resizeObserver.observe(document.querySelector('.body'), {
childList: true,
subtree: true
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});
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resizeAsync(cm, 1);
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}
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if ( cm.options.inputStyle === 'contenteditable' ) {
cm.on('beforeSelectionChange', patchSelectAll);
}
cm.on('gutterClick', onGutterClicked);
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};
})();
/******************************************************************************/
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// Open links in the proper window
uDom('a').attr('target', '_blank');
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uDom('a[href*="dashboard.html"]').attr('target', '_parent');
uDom('.whatisthis').on('click', function() {
uDom(this)
.parent()
.descendants('.whatisthis-expandable')
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.first()
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.toggleClass('whatisthis-expanded');
});