mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-22 20:27:57 +01:00
585 lines
19 KiB
JavaScript
585 lines
19 KiB
JavaScript
/***** BEGIN LICENSE BLOCK ***** {{{
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the
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License.
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(c) 2006-2007: Martin Stubenschrott <stubenschrott@gmx.net>
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL or the LGPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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}}} ***** END LICENSE BLOCK *****/
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vimperator.Hints = function() //{{{
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{
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var linkNumString = ""; // the typed link number is in this string
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var submode = ""; // used for extended mode, can be "o", "t", "y", etc.
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// hints[] = [elem, text, span, imgspan, elem.style.backgroundColor, elem.style.color]
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var hints = [];
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var valid_hints = []; // store the indices of the "hints" array with valid elements
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var canUpdate = false;
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var hintsGenerated = false;
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var timeout = 200; // only update every 200ms when typing fast, not used yet
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var docs = []; // keep track of the documents which we display the hints for
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// this function 'click' an element, which also works
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// for javascript links
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function openHint(new_tab, new_window)
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{
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if (valid_hints.length < 1)
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return false;
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var x = 0, y = 0;
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var elem = valid_hints[0];
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var elemTagName = elem.tagName;
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elem.focus();
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if (elemTagName == 'FRAME' || elemTagName == 'IFRAME')
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return 0;
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// for imagemap
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if (elemTagName == 'AREA')
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{
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var coords = elem.getAttribute("coords").split(",");
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x = Number(coords[0]);
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y = Number(coords[1]);
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}
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doc = window.content.document;
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view = window.document.defaultView;
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var evt = doc.createEvent('MouseEvents');
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evt.initMouseEvent('mousedown', true, true, view, 1, x+1, y+1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
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elem.dispatchEvent(evt);
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var evt = doc.createEvent('MouseEvents');
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evt.initMouseEvent('click', true, true, view, 1, x+1, y+1, 0, 0, /*ctrl*/ new_tab, /*event.altKey*/0, /*event.shiftKey*/ new_window, /*event.metaKey*/ new_tab, 0, null);
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elem.dispatchEvent(evt);
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return true;
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};
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function focusHint()
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{
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if (valid_hints.length < 1)
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return false;
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var elem = valid_hints[0];
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var doc = window.content.document;
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if (elem.tagName == 'FRAME' || elem.tagName == 'IFRAME')
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{
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elem.contentWindow.focus();
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return;
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}
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else
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{
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elem.focus();
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}
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var evt = doc.createEvent('MouseEvents');
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var x = 0;
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var y = 0;
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// for imagemap
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if (elem.tagName == 'AREA')
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{
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var coords = elem.getAttribute("coords").split(",");
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x = Number(coords[0]);
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y = Number(coords[1]);
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}
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evt.initMouseEvent('mouseover', true, true, doc.defaultView, 1, x, y, 0, 0, 0, 0, 0, 0, 0, null);
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elem.dispatchEvent(evt);
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};
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function yankHint(text)
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{
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if (valid_hints.length < 1)
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return false;
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if (text)
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var loc = valid_hints[0].href;
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else
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var loc = valid_hints[0].textContent;
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vimperator.copyToClipboard(loc);
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vimperator.echo("Yanked " + loc, vimperator.commandline.FORCE_SINGLELINE);
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};
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function saveHint(skip_prompt)
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{
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if (valid_hints.length < 1)
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return false;
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var elem = valid_hints[0];
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var doc = elem.ownerDocument;
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var url = makeURLAbsolute(elem.baseURI, elem.href);
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var text = elem.textContent;
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try
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{
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urlSecurityCheck(url, doc.nodePrincipal);
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saveURL(url, text, null, true, skip_prompt, makeURI(url, doc.characterSet));
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}
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catch (e)
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{
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vimperator.echoerr(e);
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}
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}
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function generate(win)
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{
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if (!win)
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win = window.content;
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var doc = win.document;
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docs.push(doc);
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var baseNodeAbsolute = doc.createElementNS("http://www.w3.org/1999/xhtml", "span");
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baseNodeAbsolute.style.backgroundColor = "red";
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baseNodeAbsolute.style.color = "white";
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baseNodeAbsolute.style.position = "absolute";
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baseNodeAbsolute.style.fontSize = "10px";
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baseNodeAbsolute.style.fontWeight = "bold";
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baseNodeAbsolute.style.lineHeight = "10px";
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baseNodeAbsolute.style.padding = "0px 1px 0px 0px";
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baseNodeAbsolute.style.zIndex = "10000001";
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baseNodeAbsolute.className = "vimperator-hint";
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var res = vimperator.buffer.evaluateXPath(vimperator.options["hinttags"], doc, null, true);
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var elem, tagname, text, span, rect;
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vimperator.log("Hinting " + res.snapshotLength + " items on " + doc.title);
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var height = window.content.innerHeight;
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var width = window.content.innerWidth;
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hints = [];
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for (var i = 0; i < res.snapshotLength; i++)
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{
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elem = res.snapshotItem(i);
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rect = elem.getBoundingClientRect();
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if (!rect || rect.bottom < 0 || rect.top > height || rect.right < 0 || rect.left > width)
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continue;
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rect = elem.getClientRects()[0];
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if (!rect)
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continue;
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tagname = elem.tagName.toLowerCase();
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if (tagname == "input" || tagname == "textarea")
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text = elem.value.toLowerCase();
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else if (tagname == "select")
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{
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if (elem.selectedIndex >= 0)
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text = elem.item(elem.selectedIndex).text.toLowerCase();
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else
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text = "";
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}
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else
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text = elem.textContent.toLowerCase();
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span = baseNodeAbsolute.cloneNode(true);
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span.innerHTML = "";
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span.style.display = "none";
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doc.body.appendChild(span);
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hints.push([elem, text, span, null, elem.style.backgroundColor, elem.style.color]);
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}
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hintsGenerated = true;
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return true;
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}
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// reset all important variables
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function reset()
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{
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vimperator.statusline.updateInputBuffer("");
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linkNumString = "";
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hints = [];
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valid_hints = [];
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canUpdate = false;
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hintsGenerated = false;
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}
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function showHints(win, str, start_idx)
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{
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if (!win)
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win = window.content;
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if (!str)
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str = "";
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if (win.document.body.localName.toLowerCase() == "frameset")
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{
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// for (i = 0; i < win.frames.length; i++)
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// removeHints(win.frames[i]);
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vimperator.echo("hint support for frameset pages not fully implemented yet");
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}
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vimperator.log("Show hints matching: " + str, 7);
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var doc = win.document;
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var scrollX = doc.defaultView.scrollX;
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var scrollY = doc.defaultView.scrollY;
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var elem, tagname, text, rect, span, imgspan;
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var hintnum = start_idx > 0 ? start_idx : 1;
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var height = window.content.innerHeight;
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var width = window.content.innerWidth;
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var find_tokens = str.split(/ +/);
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valid_hints = [];
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outer:
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for (var i = 0; i < hints.length; i++)
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{
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elem = hints[i][0];
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text = hints[i][1];
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span = hints[i][2];
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imgspan = hints[i][3];
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for (var k = 0; k < find_tokens.length; k++)
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{
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if (text.indexOf(find_tokens[k]) < 0)
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{
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// reset background color
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elem.style.backgroundColor = hints[i][4];
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elem.style.color = hints[i][5];
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span.style.display = "none";
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if (imgspan)
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imgspan.style.display = "none";
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continue outer;
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}
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}
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if (text == "" && elem.firstChild && elem.firstChild.tagName == "IMG")
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{
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rect = elem.firstChild.getBoundingClientRect();
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if (!rect)
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continue;
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if (!imgspan)
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{
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imgspan = doc.createElementNS("http://www.w3.org/1999/xhtml", "span");
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imgspan.style.backgroundColor = "yellow";
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imgspan.style.position = "absolute";
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imgspan.style.opacity = 0.5;
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imgspan.style.zIndex = "10000000";
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imgspan.className = "vimperator-hint";
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hints[i][3] = imgspan;
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doc.body.appendChild(imgspan);
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}
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imgspan.style.left = (rect.left + scrollX) + "px";
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imgspan.style.top = (rect.top + scrollY) + "px";
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imgspan.style.width = (rect.right - rect.left) + "px";
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imgspan.style.height = (rect.bottom - rect.top) + "px";
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imgspan.style.display = "inline";
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}
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else
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rect = elem.getClientRects()[0];
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if (rect)
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{
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if (!imgspan)
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{
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if (hintnum == 1)
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elem.style.backgroundColor = "#88FF00";
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else
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elem.style.backgroundColor = "yellow";
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}
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elem.style.color = "black";
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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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span.innerHTML = "" + (hintnum++);
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span.style.display = "inline";
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valid_hints.push(elem);
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continue;
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}
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}
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vimperator.log("Hinted " + valid_hints.length + " items of " + hints.length + " matching " + str, 7);
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return true;
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}
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function removeHints(doc, timeout)
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{
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vimperator.log(timeout);
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if (!doc)
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{
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vimperator.log("Argument doc is required for internal removeHints() method", 9);
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return;
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}
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var firstElem = valid_hints[0] || null;
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var firstElemBgColor = "";
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var firstElemColor = "";
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try
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{
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for (var i = 0; i < hints.length; i++)
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{
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// remove the span for the numeric display part
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doc.body.removeChild(hints[i][2]);
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if (hints[i][3]) // a transparent span for images
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doc.body.removeChild(hints[i][3]);
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if (timeout && firstElem == hints[i][0])
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{
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firstElemBgColor = hints[i][4];
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firstElemColor = hints[i][5];
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}
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else
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{
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// restore colors
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var elem = hints[i][0];
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elem.style.backgroundColor = hints[i][4];
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elem.style.color = hints[i][5];
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}
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}
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// animate the disappearance of the first hint
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if (timeout && firstElem)
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{
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// USE THIS FOR MAKING THE SELECTED ELEM RED
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// firstElem.style.backgroundColor = "red";
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// firstElem.style.color = "white";
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// setTimeout(function() {
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// firstElem.style.backgroundColor = firstElemBgColor;
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// firstElem.style.color = firstElemColor;
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// }, 200);
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// OR USE THIS FOR BLINKING:
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// var counter = 0;
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// var id = setInterval(function() {
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// firstElem.style.backgroundColor = "red";
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// if (counter % 2 == 0)
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// firstElem.style.backgroundColor = "yellow";
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// else
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// firstElem.style.backgroundColor = "#88FF00";
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//
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// if (counter++ >= 2)
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// {
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// firstElem.style.backgroundColor = firstElemBgColor;
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// firstElem.style.color = firstElemColor;
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// clearTimeout(id);
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// }
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// }, 100);
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setTimeout(function() {
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firstElem.style.backgroundColor = firstElemBgColor;
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firstElem.style.color = firstElemColor;
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}, timeout);
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}
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}
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catch (e) { vimperator.log("Error hiding hints, probably wrong window"); }
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reset();
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};
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function processHints(followFirst)
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{
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if (valid_hints.length == 0)
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{
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vimperator.beep();
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return false;
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}
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if (!followFirst)
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{
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var first_href = valid_hints[0].getAttribute("href") || null;
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if (first_href)
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{
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if (valid_hints.some( function(e) { return e.getAttribute("href") != first_href; } ))
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return false;
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}
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else if (valid_hints.length > 1)
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return false;
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}
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var loc = valid_hints.length > 0 ? valid_hints[0].href : "";
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switch (submode)
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{
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case "f": focusHint(); break;
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case "o": openHint(false, false); break;
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case "O": vimperator.commandline.open(":", "open " + loc, vimperator.modes.EX); break;
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case "t": openHint(true, false); break;
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case "T": openHint(true, false); break;
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case "T": vimperator.commandline.open(":", "tabopen " + loc, vimperator.modes.EX); break;
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case "w": openHint(false, true); break;
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case "W": vimperator.commandline.open(":", "winopen " + loc, vimperator.modes.EX); break;
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case "a": saveHint(false); break;
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case "s": saveHint(true); break;
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case "y": yankHint(false); break;
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case "Y": yankHint(true); break;
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default:
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vimperator.echoerr("INTERNAL ERROR: unknown submode: " + submode);
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}
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var timeout = followFirst ? 0 : 500;
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removeHints(docs.pop(), timeout);
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if (vimperator.modes.extended & vimperator.modes.ALWAYS_HINT)
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{
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setTimeout(function() {
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canUpdate = true;
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linkNumString = "";
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vimperator.statusline.updateInputBuffer("");
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}, timeout);
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}
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else
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{
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setTimeout( function() {
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if (vimperator.mode == vimperator.modes.HINTS)
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vimperator.modes.reset(false);
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}, timeout);
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}
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return true;
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};
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////////////////////////////////////////////////////////////////////////////////
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////////////////////// PUBLIC SECTION //////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// TODO: implement framesets
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this.show = function(mode, minor, filter)
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{
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if (mode == vimperator.modes.EXTENDED_HINT && !/^[afoOstTwWyY]$/.test(minor))
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{
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vimperator.beep();
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return;
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}
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vimperator.modes.set(vimperator.modes.HINTS, mode);
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submode = minor || "o"; // open is the default mode
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linkNumString = filter || "";
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canUpdate = false;
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generate();
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// get all keys from the input queue
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var mt = Components.classes['@mozilla.org/thread-manager;1'].getService().mainThread;
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while (mt.hasPendingEvents())
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mt.processNextEvent(true);
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canUpdate = true;
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showHints(null, linkNumString);
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if (valid_hints.length == 0)
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{
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vimperator.beep();
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vimperator.modes.reset();
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return false;
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}
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else if (valid_hints.length == 1)
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{
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processHints(true);
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return false;
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}
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else // still hints visible
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return true;
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};
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this.hide = function()
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{
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if (!hintsGenerated)
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return;
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doc = docs.pop();
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if(doc);
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removeHints(doc, 0);
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};
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this.onEvent = function(event)
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{
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var key = vimperator.events.toString(event);
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var followFirst = false;
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switch (key)
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{
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case "<Return>":
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followFirst = true;
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break;
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case "<Space>":
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linkNumString += " ";
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break;
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case "<BS>":
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if (linkNumString == "")
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{
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vimperator.beep();
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return;
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}
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else
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linkNumString = linkNumString.substr(0, linkNumString.length-1);
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break;
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case "<C-w>":
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case "<C-u>":
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linkNumString = "";
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break;
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default:
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// pass any special or ctrl- etc. prefixed key back to the main vimperator loop
|
|
if (/^<./.test(key) || key == ":")
|
|
{
|
|
var map = null;
|
|
if ((map = vimperator.mappings.get(vimperator.modes.NORMAL, key)) ||
|
|
(map = vimperator.mappings.get(vimperator.modes.HINTS, key)))
|
|
{
|
|
map.execute(null, -1);
|
|
return;
|
|
}
|
|
|
|
vimperator.beep();
|
|
return;
|
|
}
|
|
|
|
linkNumString += key;
|
|
}
|
|
|
|
vimperator.statusline.updateInputBuffer(linkNumString);
|
|
if (canUpdate)
|
|
{
|
|
if (!hintsGenerated && linkNumString.length > 0)
|
|
generate();
|
|
|
|
showHints(null, linkNumString);
|
|
processHints(followFirst);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
// FIXME: add resize support
|
|
//window.addEventListener("resize", onResize, null);
|
|
|
|
// getBrowser().addEventListener("DOMContentLoaded", function(event) {
|
|
// if (vimperator.options["autohints"])
|
|
// vimperator.hints.show(event.target);
|
|
// }, false);
|
|
|
|
// function onResize(event)
|
|
// {
|
|
// if (event)
|
|
// doc = event.originalTarget;
|
|
// else
|
|
// doc = window.content.document;
|
|
// }
|
|
|
|
} //}}}
|
|
|
|
// vim: set fdm=marker sw=4 ts=4 et:
|