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https://github.com/gryf/pentadactyl-pm.git
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Fix hls in newer versions of Firefox.
This commit is contained in:
Kris Maglione
183
content/find.js
183
content/find.js
@@ -109,6 +109,172 @@ liberator.Search = function () //{{{
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searchString = pattern;
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}
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/* Stolen from toolkit.jar in Firefox, for the time being. The private
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* methods were unstable, and changed. The new version is not remotely
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* compatible with what we do.
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* The following only applies to this object, and may not be
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* necessary, or accurate, but, just in case:
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* The Original Code is mozilla.org viewsource frontend.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Blake Ross <blake@cs.stanford.edu> (Original Author)
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* Masayuki Nakano <masayuki@d-toybox.com>
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* Ben Basson <contact@cusser.net>
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* Jason Barnabe <jason_barnabe@fastmail.fm>
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* Asaf Romano <mano@mozilla.com>
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* Ehsan Akhgari <ehsan.akhgari@gmail.com>
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* Graeme McCutcheon <graememcc_firefox@graeme-online.co.uk>
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*/
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var highlightObj = {
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search: function (aWord, matchCase)
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{
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var finder = Components.classes["@mozilla.org/embedcomp/rangefind;1"]
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.createInstance()
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.QueryInterface(Components.interfaces.nsIFind);
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if (matchCase !== undefined)
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finder.caseSensitive = matchCase;
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var range;
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while ((range = finder.Find(aWord,
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this._searchRange,
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this._startPt,
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this._endPt)))
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yield range;
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},
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highlightDoc: function highlightDoc(win, aWord)
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{
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var textFound = false;
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Array.forEach(win.frames, function (frame)
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{
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if (highlightDoc(aWord, frame))
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textFound = true;
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});
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var doc = win.document;
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if (!doc || !(doc instanceof HTMLDocument))
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return textFound;
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var body = doc.body;
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var count = body.childNodes.length;
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this._searchRange = doc.createRange();
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this._startPt = doc.createRange();
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this._endPt = doc.createRange();
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this._searchRange.setStart(body, 0);
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this._searchRange.setEnd(body, count);
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this._startPt.setStart(body, 0);
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this._startPt.setEnd(body, 0);
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this._endPt.setStart(body, count);
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this._endPt.setEnd(body, count);
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if (!aWord) {
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// Remove highlighting. We use the find API again rather than
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// searching for our span elements so that we gain access to the
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// anonymous content that nsIFind searches.
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if (!this._lastHighlightString)
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return textFound;
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var retRange = null;
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var finder = Components.classes["@mozilla.org/embedcomp/rangefind;1"]
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.createInstance(Components.interfaces.nsIFind);
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for (let retRange in this.search(this._lastHighlightString))
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{
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var startContainer = retRange.startContainer;
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var elem = null;
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try
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{
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elem = startContainer.parentNode;
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}
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catch (ex) {}
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if (elem && elem.className == "__liberator-search")
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{
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var child = null;
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var docfrag = doc.createDocumentFragment();
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var next = elem.nextSibling;
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var parent = elem.parentNode;
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while ((child = elem.firstChild)) {
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docfrag.appendChild(child);
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}
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this._startPt = doc.createRange();
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this._startPt.setStartAfter(elem);
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parent.removeChild(elem);
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parent.insertBefore(docfrag, next);
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parent.normalize();
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}
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else
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{
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// Somehow we didn't highlight this instance; just skip it.
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this._startPt = doc.createRange();
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this._startPt.setStart(retRange.endContainer,
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retRange.endOffset);
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}
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this._startPt.collapse(true);
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textFound = true;
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}
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return textFound;
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}
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var baseNode = doc.createElementNS("http://www.w3.org/1999/xhtml", "span");
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baseNode.setAttribute("style", liberator.options["hlsearchstyle"]);
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baseNode.style.display = "inline";
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baseNode.style.fontSize = "inherit";
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baseNode.style.padding = "0";
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baseNode.className = "__liberator-search";
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return this.highlightText(aWord, baseNode) || textFound;
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},
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highlightText: function highlightText(aWord, aBaseNode)
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{
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var retRange = null;
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for(let retRange in this.search(aWord, caseSensitive)) {
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var textFound = false;
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// Highlight
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var nodeSurround = aBaseNode.cloneNode(true);
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var node = this.highlight(retRange, nodeSurround);
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this._startPt = node.ownerDocument.createRange();
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this._startPt.setStart(node, node.childNodes.length);
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this._startPt.setEnd(node, node.childNodes.length);
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textFound = true;
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}
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this._lastHighlightString = aWord;
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return textFound;
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},
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highlight: function highlight(aRange, aNode)
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{
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var startContainer = aRange.startContainer;
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var startOffset = aRange.startOffset;
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var endOffset = aRange.endOffset;
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var docfrag = aRange.extractContents();
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var before = startContainer.splitText(startOffset);
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var parent = before.parentNode;
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aNode.appendChild(docfrag);
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parent.insertBefore(aNode, before);
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return aNode;
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},
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};
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// OPTIONS /////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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@@ -330,24 +496,13 @@ liberator.Search = function () //{{{
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return;
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// already highlighted?
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if (window.content.document.getElementsByClassName("__mozilla-findbar-search").length > 0)
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if (window.content.document.getElementsByClassName("__liberator-search").length > 0)
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return;
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if (!text)
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text = lastSearchString;
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gFindBar._setCaseSensitivity(caseSensitive);
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gFindBar._highlightDoc("white", "black", text);
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// TODO: seems fast enough for now...just
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(function (win)
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{
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for (var i = 0; i < win.frames.length; i++)
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arguments.callee(win.frames[i]);
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var spans = window.content.document.getElementsByClassName("__mozilla-findbar-search");
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for (var i = 0; i < spans.length; i++)
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spans[i].setAttribute("style", liberator.options["hlsearchstyle"]);
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})(window.content);
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highlightObj.highlightDoc(window.content, text);
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// recreate selection since _highlightDoc collapses the selection backwards
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getBrowser().fastFind.findAgain(false, linksOnly);
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@@ -357,7 +512,7 @@ liberator.Search = function () //{{{
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clear: function ()
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{
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gFindBar._highlightDoc();
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highlightObj.highlightDoc(window.content);
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// need to manually collapse the selection if the document is not
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// highlighted
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getBrowser().fastFind.collapseSelection();
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