mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-22 12:17:58 +01:00
new vimperator.hints.show() method, DOES NOT work on framed pages for now.
The colors will change later, they are just to see which type of hint it is
This commit is contained in:
Martin Stubenschrott
@@ -101,30 +101,6 @@ function Hints() //{{{
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elem.absoTop = rect.top;
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}
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return;
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//if (typeof(elem.validCoord) != "undefined")
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//{
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// if (elem.validCoord == elem.ownerDocument.validCoords)
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// return;
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//}
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//if (elem.offsetParent)
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//{
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// genElemCoords(elem.offsetParent);
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// elem.absoLeft = elem.offsetParent.absoLeft + elem.offsetLeft;
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// elem.absoTop = elem.offsetParent.absoTop + elem.offsetTop;
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//}
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//else if (elem.offsetLeft && elem.offsetTop) // TODO: ugly and broken temporary fix until FF3
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//{
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// elem.absoLeft = elem.offsetLeft;
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// elem.absoTop = elem.offsetTop;
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//}
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//else
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//{
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// elem.absoLeft = 0;
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// elem.absoTop = 0;
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//}
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//elem.validCoord = elem.ownerDocument.validCoords;
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}
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function createHints(win)
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@@ -162,6 +138,7 @@ function Hints() //{{{
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var hints = hintContainer.childNodes;
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var maxhints = vimperator.options["maxhints"];
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//vimperator.log("snapshot length: " + res.snapshotLength);
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for (i = 0; i < res.snapshotLength; i++)
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{
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// this saves from script timeouts on pages with some thousand links
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@@ -202,10 +179,11 @@ function Hints() //{{{
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linkCount++; // and one more total hint
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// process firefox event to keep the UI snappy
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// if (linkCount % 10 == 0)
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// if (linkCount % 50 == 0)
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// {
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// Components.classes['@mozilla.org/thread-manager;1'].
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// getService().mainThread.processNextEvent(false);
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// //showHints(null, 0);
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// }
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}
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@@ -214,7 +192,6 @@ function Hints() //{{{
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// recursively create hints
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for (i = 0; i < win.frames.length; i++)
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createHints(win.frames[i]);
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}
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function showHints(win, off)
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@@ -696,12 +673,179 @@ function Hints() //{{{
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}
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}
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window.document.addEventListener("DOMContentLoaded", initDoc, null);
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window.document.addEventListener("DOMContentLoaded", function() { vimperator.log("contentloaded"); }, null);
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window.addEventListener("load", function() { vimperator.log("load"); }, null);
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window.document.addEventListener("pageshow", function() { vimperator.log("pageshow"); }, null);
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// window.document.addEventListener("pageshow", function() { vimperator.log("pageshow"); }, null);
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// FIXME: add resize support
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//window.addEventListener("resize", onResize, null);
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getBrowser().addEventListener("DOMContentLoaded", function(event) {
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if (vimperator.options["autohints"])
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vimperator.hints.show(event.target);
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}, false);
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this.show = function(doc, takenHints)
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{
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function getNextHintText(href)
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{
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var hintCharacters = "abcdefghijklmnopqrstuvwxyz123456789"; // no 0, as it looks too much like O
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var len = hintCharacters.length;
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var text = "aa";
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for (; nextHintFirstChar < len; nextHintFirstChar++)
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{
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for (; nextHintSecondChar < len; nextHintSecondChar++)
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{
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text = hintCharacters[nextHintFirstChar] + hintCharacters[nextHintSecondChar];
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if (typeof takenHints[text] === "undefined")
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{
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takenHints[text] = href;
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return text.toUpperCase();
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}
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}
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nextHintSecondChar = 0;
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}
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vimperator.log("Too many hints on page");
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return null;
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}
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if (!doc)
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doc = window.content.document;
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if (!takenHints)
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takenHints = {};
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var rel = 0, abs = 0, inl = 0;
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var nextHintFirstChar = 0, nextHintSecondChar = 0;
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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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finder.caseSensitive = false;
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var baseNodeInline = doc.createElementNS("http://www.w3.org/1999/xhtml", "span");
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baseNodeInline.style.backgroundColor = "#BCEE68";
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baseNodeInline.style.color = "black";
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baseNodeInline.style.display = "inline";
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baseNodeInline.style.fontSize = "inherit";
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baseNodeInline.style.padding = "0";
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baseNodeInline.className = "vimperator-hint-inline";
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var baseNodeAbsolute = doc.createElementNS("http://www.w3.org/1999/xhtml", "span");
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//baseNodeAbsolute.style.backgroundColor = "#BCEE68";
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baseNodeAbsolute.style.backgroundColor = "cyan";
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baseNodeAbsolute.style.color = "black";
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baseNodeAbsolute.style.position = "absolute";
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baseNodeAbsolute.style.fontSize = "9px";
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baseNodeAbsolute.style.fontWeight = "bold";
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//baseNodeAbsolute.style.fontFamily = "monospace";
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baseNodeAbsolute.style.lineHeight = "9px";
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baseNodeAbsolute.style.padding = "0px 1px 0px 1px";
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baseNodeAbsolute.style.zIndex = "5000";
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baseNodeAbsolute.className = "vimperator-hint-absolute";
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var scrollX = doc.defaultView.scrollX;
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var scrollY = doc.defaultView.scrollY;
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//var view = doc.defaultView;
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var retRange = null;
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var searchRange = doc.createRange();
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var res = vimperator.buffer.evaluateXPath(vimperator.options["hinttags"], doc);
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var word, elem, count, href, text, lowertext;
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vimperator.log("Hinting " + res.snapshotLength + " items on " + doc.title);
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outer:
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for (var i = 0; i < res.snapshotLength; i++)
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{
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// the more often we check for firefox events, the slower it is
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// best is checking between every 50-500 elements
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if (i % 200 == 0)
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{
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Components.classes['@mozilla.org/thread-manager;1'].
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getService().mainThread.processNextEvent(true);
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// update saved positions, as the user could have scrolled
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scrollX = doc.defaultView.scrollX;
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scrollY = doc.defaultView.scrollY;
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vimperator.log(scrollY);
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}
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elem = res.snapshotItem(i);
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count = elem.childNodes.length;
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searchRange.setStart(elem, 0);
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searchRange.setEnd(elem, count);
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// try to get a unique substring of the element
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text = elem.textContent; // faster than searchRange.toString()
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href = elem.getAttribute("href");
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for (var j = 0; j < text.length - 1; j++)
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{
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if (text.length < 2)
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continue;
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word = text.substr(j, 2);
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lowertext = word.toLowerCase();
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if (/[^a-z0-9]/.test(lowertext)) // 2x as fast as lowertext[0] > "a" etc. testing
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continue;
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if (typeof(takenHints[lowertext]) === "undefined" ||
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(href && takenHints[lowertext] == href))
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{ // hint not yet taken or taken and href the same
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takenHints[lowertext] = href;
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inl++;
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retRange = finder.Find(word, searchRange, searchRange, searchRange);
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if (!retRange)
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{
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dump("no retRange for: " + word + "\n");
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continue;
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}
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var nodeSurround = baseNodeInline.cloneNode(true);
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var startContainer = retRange.startContainer;
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var startOffset = retRange.startOffset;
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var docfrag = retRange.extractContents();
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var before = startContainer.splitText(startOffset);
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var parent = before.parentNode;
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nodeSurround.appendChild(docfrag);
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parent.insertBefore(nodeSurround, before);
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continue outer;
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}
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}
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// if we came here, there was no suitable inline hint, need
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// to create an absolutely positioned div
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var lower = elem.tagName.toLowerCase();
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if (lower != "input" && lower != "textarea")
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{
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elem.style.position = "relative";
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rel++;
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var span = doc.createElement("span");
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span.setAttribute("style", "z-index: 5000; color:black; font-weight: bold; font-size: 9px; background-color:yellow; line-height: 9px; border: 0px; padding: 0px 1px 0px 1px; position: absolute; left: 0px; top: 0px");
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var hint = getNextHintText(href);
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if (!hint)
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return false;
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span.innerHTML = hint;
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//setTimeout(function() { elem.appendChild(span); }, 10); // 10ms delay to let firefox handle position=relative
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elem.appendChild(span);
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continue;
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}
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else
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{
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var rect = elem.getClientRects()[0];
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if (rect)
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{
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var span = baseNodeAbsolute.cloneNode(true);
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var hint = getNextHintText(href);
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if (!hint)
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return false;
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span.innerHTML = hint;
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span.style.left = rect.left + scrollX + "px";
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span.style.top = rect.top + scrollY + "px";
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doc.body.appendChild(span);
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abs++;
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}
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}
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}
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vimperator.log("Done hinting " + res.snapshotLength + " items on " + doc.title);
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vimperator.log("REL: " + rel + " - ABS: " + abs + " - INL: " + inl);
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return true;
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}
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} //}}}
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// vim: set fdm=marker sw=4 ts=4 et:
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