diff options
Diffstat (limited to 'marker_reader.js')
| -rw-r--r-- | marker_reader.js | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/marker_reader.js b/marker_reader.js new file mode 100644 index 0000000..89626f2 --- /dev/null +++ b/marker_reader.js @@ -0,0 +1,161 @@ +/*** BEGIN LICENSE BLOCK {{{ + Copyright (c) 2009 hogelog<konbu.komuro@gmail.com> + + Released under the GPL license + http://www.gnu.org/copyleft/gpl.html +}}} END LICENSE BLOCK ***/ +// PLUGIN_INFO//{{{ +var PLUGIN_INFO = +<VimperatorPlugin> + <name>{NAME}</name> + <description>marker PageDown/PageUp.</description> + <author mail="konbu.komuro@gmail.com" homepage="http://d.hatena.ne.jp/hogelog/">hogelog</author> + <version>0.0.1</version> + <license>GPL</license> + <minVersion>2.1pre</minVersion> + <maxVersion>2.1pre</maxVersion> + <updateURL>http://svn.coderepos.org/share/lang/javascript/vimperator-plugins/trunk/marker_reader.js</updateURL> +<detail><![CDATA[ +== TODO == +enable setting: +]]></detail> +</VimperatorPlugin>; +//}}} +(function() { + + const HTML_NAMESPACE = "http://www.w3.org/1999/xhtml"; + + let libly = liberator.plugins.libly; + let $U = libly.$U; + + let pageNaviCss = + <style type="text/css"><![CDATA[ + .vimperator-marker_reader-marker { + background-color: #faa; + opacity: 0.30; + margin: 0px; + /*padding: 10px;*/ + height: 1.5em; + width: 100%; + font-weight: bold; + text-align: left; + position: absolute; + -moz-border-radius: 5px; + } + ]]></style>; + + function insertMarkers(doc) + { + let win = doc.defaultView; + doc.naviMarker = true; + + let css = $U.xmlToDom(pageNaviCss, doc); + let node = doc.importNode(css, true); + doc.body.insertBefore(node, doc.body.firstChild); + + let scroll_ratio = parseFloat(liberator.globalVariables.marker_reader_scroll_ratio) || 0.7; + let scroll = win.innerHeight * scroll_ratio; + let count = Math.ceil(win.scrollMaxY / scroll); + + for (let pageNum=1;pageNum<=count+1;++pageNum) + { + let p = doc.createElementNS(HTML_NAMESPACE, "p"); + let id = "vimperator-marker_reader-" + pageNum; + p.id = id; + p.innerHTML = '<a href="#' + id + '">' + pageNum + "</a>"; + p.className = "vimperator-marker_reader-marker"; + + p.style.left = 0; + p.style.top = (pageNum-1)*scroll; + p.style.zIndex = 1000; + doc.body.appendChild(p); + } + } + function removeMarkers(doc) + { + let xpath = '//*[@class="vimperator-marker_reader-marker"]'; + let markers = $U.getNodesFromXPath(xpath, doc); + for (let i=0,len=markers.length;i<len;++i) + { + doc.body.removeChild(markers[i]); + } + } + function currentPage(doc) + { + let xpath = '//*[@class="vimperator-marker_reader-marker"]'; + let markers = $U.getNodesFromXPath(xpath, doc); + let win = doc.defaultView; + + var curPos = win.scrollY; + + // top of page + if (curPos <= 0) return 1.0; + + // bottom of page + if (curPos >= win.scrollMaxY) { + if (markers.length > 0) { + let lastMarker = Math.round(parseFloat(markers[markers.length-1].style.top)); + if (curPos <= lastMarker) return markers.length; + } + return markers.length + 0.5; + } + + // return n.5 if between n and n+1 + var page = 1.0; + for (let i=0,len=markers.length;i<len;++i) + { + let pos = Math.round(parseFloat(markers[i].style.top)); + if (curPos == pos) return page; + if (curPos < pos) return page - 0.5; + ++page; + } + return page - 0.5; + } + function focusNavi(doc, count) + { + if (!doc.naviMarker) { + insertMarkers(doc); + } + + let win = doc.defaultView; + let curPage = currentPage(doc); + let page = (count < 0 ? Math.round : Math.floor)(curPage + count); + if (page <= 1) { + win.scrollTo(0, 0); + return true; + } + let id_xpath = '//*[@id="vimperator-marker_reader-' + page + '"]'; + let [elem] = $U.getNodesFromXPath(id_xpath, doc); + if (elem) { + let p = $U.getElementPosition(elem); + win.scrollTo(0, p.top); + return true; + } + + // reload markers + removeMarkers(doc); + insertMarkers(doc); + [elem] = $U.getNodesFromXPath(id_xpath, doc); + if (elem) { + let p = $U.getElementPosition(elem); + win.scrollTo(0, p.top); + return true; + } + + win.scrollTo(0, win.scrollMaxY); + return true; + } + commands.addUserCommand(["markernext", "mnext"], "marker PageDown", + function () + { + focusNavi(content.document, 1); + }); + commands.addUserCommand(["markerprev", "mprev"], "marker PageUp", + function () + { + focusNavi(content.document, -1); + }); + + +})(); +// vim: fdm=marker sw=4 ts=4 et: |