pentadactyl-pm/chrome/content/vimperator/bookmarks.js

/***** BEGIN LICENSE BLOCK ***** {{{
Version: MPL 1.1/GPL 2.0/LGPL 2.1

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1.1 (the "License"); you may not use this file except in compliance with
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License.

(c) 2006-2007: Martin Stubenschrott <stubenschrott@gmx.net>

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// also includes methods for dealing with keywords and search engines
function Bookmarks() //{{{
{
    ////////////////////////////////////////////////////////////////////////////////
    ////////////////////// PRIVATE SECTION /////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{
    const history_service   = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                             .getService(Components.interfaces.nsINavHistoryService);
    const bookmarks_service = Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
                             .getService(Components.interfaces.nsINavBookmarksService);
    const search_service    = Components.classes["@mozilla.org/browser/search-service;1"].
                              getService(Components.interfaces.nsIBrowserSearchService);
    const io_service        = Components.classes['@mozilla.org/network/io-service;1']
                              .getService(Components.interfaces.nsIIOService);

    var bookmarks = null;
    var keywords = null;

    if (vimperator.options["preload"])
        setTimeout(function() { load(); } , 100);

    function load()
    {
        // update our bookmark cache
        bookmarks = []; // also clear our bookmark cache
        keywords  = [];
        var root = bookmarks_service.bookmarksRoot;

        var folders = [root];
        var query = history_service.getNewQuery();
        var options = history_service.getNewQueryOptions();
//        query.searchTerms = "test";
        while (folders.length > 0)
        {
            //comment out the next line for now; the bug hasn't been fixed; final version should include the next line
            //options.setGroupingMode(options.GROUP_BY_FOLDER);
            query.setFolders(folders, 1);
            var result = history_service.executeQuery(query, options);
            result.sortingMode = options.SORT_BY_DATE_DESCENDING;
            //result.sortingMode = options.SORT_BY_VISITCOUNT_DESCENDING;
            var rootNode = result.root;
            rootNode.containerOpen = true;

            folders.shift();
            // iterate over the immediate children of this folder
            for (var i = 0; i < rootNode.childCount; i++)
            {
                var node = rootNode.getChild(i);
                if (node.type == node.RESULT_TYPE_FOLDER)   // folder
                    folders.push(node.itemId);
                else if (node.type == node.RESULT_TYPE_URI) // bookmark
                {
                    bookmarks.push([node.uri, node.title]);
                    var kw = bookmarks_service.getKeywordForBookmark(node.itemId);
                    if (kw)
                        keywords.push([kw, node.title, node.uri]);
                }
            }

            // close a container after using it!
            rootNode.containerOpen = false;
        }
        return;
    }

    /////////////////////////////////////////////////////////////////////////////}}}
    ////////////////////// PUBLIC SECTION //////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    // FIXME: add filtering here rather than having to calling
    // get_bookmark_completions()
    this.get = function()
    {
        if (!bookmarks)
            load();

        return bookmarks;
    }

    this.add = function (title, url, keyword)
    {
        if (!bookmarks)
            load();

        var uri = io_service.newURI(url, null, null);
        var id = bookmarks_service.insertBookmark(bookmarks_service.bookmarksRoot, uri, -1, title);
        if (id && keyword)
        {
            bookmarks_service.setKeywordForBookmark(id, keyword);
            keywords.unshift([keyword, title, url]);
        }

        //also update bookmark cache
        bookmarks.unshift([url, title]);
        return true;
    }

    // returns number of deleted bookmarks
    this.remove = function(url)
    {
        if (!url)
            return 0;

        var uri = io_service.newURI(url, null, null);
        var count = {};
        var bmarks = bookmarks_service.getBookmarkIdsForURI(uri, count);

        for (var i = 0; i < bmarks.length; i++)
            bookmarks_service.removeItem(bmarks[i]);

        // also update bookmark cache, if we removed at least one bookmark
        if (count.value > 0)
            load();

        return count.value;
    }

    // also ensures that each search engine has a Vimperator-friendly alias
    this.getSearchEngines = function()
    {
        var search_engines = [];
        var firefox_engines = search_service.getVisibleEngines({ });
        for (var i in firefox_engines)
        {
            var alias = firefox_engines[i].alias;
            if (!alias || !alias.match(/^[a-z0-9_-]+$/))
                alias = firefox_engines[i].name.replace(/^\W*([a-zA-Z_-]+).*/, "$1").toLowerCase();
            if (!alias)
                alias = "search"; // for search engines which we can't find a suitable alias

            // make sure we can use search engines which would have the same alias (add numbers at the end)
            var newalias = alias;
            for (var j = 1; j <= 10; j++) // <=10 is intentional
            {
                if (!search_engines.some(function(item) { return (item[0] == newalias); }))
                    break;

                newalias = alias + j;
            }
            // only write when it changed, writes are really slow
            if (firefox_engines[i].alias != newalias)
                firefox_engines[i].alias = newalias;

            search_engines.push([firefox_engines[i].alias, firefox_engines[i].description]);
        }

        return search_engines;
    }

    // format of returned array:
    // [keyword, helptext, url]
    this.getKeywords = function()
    {
        if (!keywords)
            load();

        return keywords;
    }

    // if @param engine_name is null, it uses the default search engine
    // @returns the url for the search string
    //          if the search also requires a postdata, [url, postdata] is returned
    this.getSearchURL = function(text, engine_name)
    {
        var url = null;
        var postdata = null;
        if (!engine_name || engine_name == "")
            engine_name = vimperator.options["defsearch"];

        // we need to make sure our custom alias have been set, even if the user
        // did not :open <tab> once before
        this.getSearchEngines();

        // first checks the search engines for a match
        var engine = search_service.getEngineByAlias(engine_name);
        if (engine)
        {
            if (text)
            {
                var submission = engine.getSubmission(text, null);
                url = submission.uri.spec;
                postdata = submission.postData;
            }
            else
                url = engine.searchForm;
        }
        else // check for keyword urls
        {
            if (!keywords)
                load();

            for (var i in keywords)
            {
                if (keywords[i][0] == engine_name)
                {
                    if (text == null)
                        text = "";
                    url = keywords[i][2].replace(/%s/g, encodeURIComponent(text));
                    break;
                }
            }
        }

        // if we came here, the engine_name is neither a search engine or URL
        if (postdata)
            return [url, postdata];
        else
            return url; // can be null
    }

    this.list = function(filter, fullmode)
    {
        if (fullmode)
        {
            vimperator.open("chrome://browser/content/bookmarks/bookmarksPanel.xul", vimperator.NEW_TAB);
        }
        else
        {
            var items = vimperator.completion.get_bookmark_completions(filter);

            if (items.length == 0)
            {
                if (filter.length > 0)
                    vimperator.echoerr("E283: No bookmarks matching \"" + filter + "\"");
                else
                    vimperator.echoerr("No bookmarks set");

                return;
            }

            for (var i = 0; i < items.length; i++)
            {
                var list = "<table><tr align=\"left\" style=\"color: magenta\"><th>title</th><th>URL</th></tr>";
                for (var i = 0; i < items.length; i++)
                {
                    list += "<tr><td>" + items[i][1] + "</td><td style=\"color: green\">" + items[i][0] + "</td></tr>";
                    // TODO: change that list to something like this when we have keywords
                    //list += "<tr><td width=\"30%\"><span style=\"font-weight: bold\">" + items[i][1].substr(0,20) + "</span></td><td width=\"70%\"><span style=\"color: green\">" + items[i][0] + "</span><br/>" + "Keyword: <span style=\"color: blue\">foo</span> Tags: <span style=\"color: red\">computer, news</span>" + "</td></tr>";

                }
                list += "</table>";

                vimperator.commandline.echo(list, true);
            }
        }
    }

    //  res = parseBookmarkString("-t tag1,tag2 -T title http://www.orf.at");
    //  res.tags is an array of tags
    //  res.title is the title or "" if no one was given
    //  res.url is the url as a string
    //  returns null, if parsing failed
    Bookmarks.parseBookmarkString = function(str)
    {
        var res = {};
        res.tags = [];
        res.title = null;
        res.url = null;

        var re_title = /^\s*((-t|--title)\s+(\w+|\".*\"))(.*)/;
        var re_tags = /^\s*((-T|--tags)\s+((\w+)(,\w+)*))(.*)/;
        var re_url = /^\s*(\".+\"|\S+)(.*)/;

        var match_tags = null;
        var match_title = null;
        var match_url = null;

        while (!str.match(/^\s*$/))
        {
            // first check for --tags
            match_tags = str.match(re_tags);
            if (match_tags != null)
            {
                str = match_tags[match_tags.length - 1]; // the last captured parenthesis is the rest of the string
                tags = match_tags[3].split(",");
                res.tags = res.tags.concat(tags);
            }
            else // then for --titles
            {

                match_title = str.match(re_title);
                if (match_title != null)
                {
                    // only one title allowed
                    if (res.title != null)
                        return null;

                    str = match_title[match_title.length - 1]; // the last captured parenthesis is the rest of the string
                    var title = match_title[3];
                    if (title.charAt(0) == '"')
                        title = title.substring(1, title.length - 1);
                    res.title = title;
                }
                else // at last check for a URL
                {
                    match_url = str.match(re_url);
                    if (match_url != null)
                    {
                        // only one url allowed
                        if (res.url != null)
                            return null;

                        str = match_url[match_url.length - 1]; // the last captured parenthesis is the rest of the string
                        url = match_url[1];
                        if (url.charAt(0) == '"')
                            url = url.substring(1, url.length - 1);
                        res.url = url;
                    }
                    else
                        return null; // no url, tag or title found but still text left, abort
                }
            }
        }
        return res;
    }
    //}}}
} //}}}

function History() //{{{
{
    ////////////////////////////////////////////////////////////////////////////////
    ////////////////////// PRIVATE SECTION /////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{
    const history_service   = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                             .getService(Components.interfaces.nsINavHistoryService);

    var history = null;

    if (vimperator.options["preload"])
        setTimeout(function() { load(); } , 100);

    function load()
    {
        history = [];

        // no query parameters will get all history
        // XXX default sorting is... ?
        var options = history_service.getNewQueryOptions();
        var query = history_service.getNewQuery();

        // execute the query
        var result = history_service.executeQuery(query, options);
        var rootNode = result.root;
        rootNode.containerOpen = true;
        // iterate over the immediate children of this folder
        for (var i = 0; i < rootNode.childCount; i++)
        {
            var node = rootNode.getChild(i);
            if (node.type == node.RESULT_TYPE_URI) // just make sure it's a bookmark
            {
                history.push([node.uri, node.title]);
            }
            else
                dump("History child " + node.itemId + ": " + node.title + " - " + node.type + "\n");
        }

        // close a container after using it!
        rootNode.containerOpen = false;
    }

    /////////////////////////////////////////////////////////////////////////////}}}
    ////////////////////// PUBLIC SECTION //////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    // FIXME: add filtering here rather than having to call
    // get_bookmark_completions()
    this.get = function()
    {
        if (!history)
            load();

        return history;
    }

    // the history is automatically added to the Places global history
    // so just update our cached history here
    this.add = function (url, title)
    {
        if (!history)
            load();

        history = history.filter(function(elem) {
            return elem[0] != url;
        });

        history.unshift([url, title]);
        return true;
    };

    // TODO: better names?
    //       and move to vimperator.buffer.?
    this.stepTo = function(steps)
    {
        var index = getWebNavigation().sessionHistory.index + steps;

        if (index >= 0 && index < getWebNavigation().sessionHistory.count)
        {
            getWebNavigation().gotoIndex(index);
        }
        else
        {
            vimperator.beep();
        }
    }

    this.goToStart = function()
    {
        var index = getWebNavigation().sessionHistory.index;

        if (index == 0)
        {
            vimperator.beep();
            return;
        }

        getWebNavigation().gotoIndex(0);
    }

    this.goToEnd = function()
    {
        var index = getWebNavigation().sessionHistory.index;
        var max = getWebNavigation().sessionHistory.count - 1;

        if (index == max)
        {
            vimperator.beep();
            return;
        }

        getWebNavigation().gotoIndex(max);
    }

    this.list = function(filter, fullmode)
    {
        if (fullmode)
        {
            vimperator.open("chrome://browser/content/history/history-panel.xul", vimperator.NEW_TAB);
        }
        else
        {
            var items = vimperator.completion.get_history_completions(filter);

            if (items.length == 0)
            {
                if (filter.length > 0)
                    vimperator.echoerr("E283: No history matching \"" + filter + "\"");
                else
                    vimperator.echoerr("No history set");

                return;
            }

            for (var i = 0; i < items.length; i++)
            {
                var list = "<table><tr align=\"left\" style=\"color: magenta\"><th>title</th><th>URL</th></tr>";
                for (var i = 0; i < items.length; i++)
                {
                    list += "<tr><td>" + items[i][1] + "</td><td>" + items[i][0] + "</td></tr>";
                }
                list += "</table>";

                vimperator.commandline.echo(list, true);
            }
        }
    }
    //}}}
} //}}}

function Marks() //{{{
{
    ////////////////////////////////////////////////////////////////////////////////
    ////////////////////// PRIVATE SECTION /////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    var local_marks = {};
    var url_marks = {};
    var pending_jumps = [];
    var appcontent = document.getElementById("appcontent");

    if (appcontent)
        appcontent.addEventListener("load", onPageLoad, true);

    function onPageLoad(event)
    {
        var win = event.originalTarget.defaultView;
        for (var i = 0, length = pending_jumps.length; i < length; i++)
        {
            var mark = pending_jumps[i];
            if (win.location.href == mark.location)
            {
                win.scrollTo(mark.position.x * win.scrollMaxX, mark.position.y * win.scrollMaxY);
                pending_jumps.splice(i, 1);
                return;
            }
        }
    }

    function removeLocalMark(mark)
    {
        if (mark in local_marks)
        {
            var win = window.content;
            for (var i = 0; i < local_marks[mark].length; i++)
            {
                if (local_marks[mark][i].location == win.location.href)
                {
                    vimperator.log("Deleting local mark: " + mark + " | " + local_marks[mark][i].location + " | (" + local_marks[mark][i].position.x + ", " + local_marks[mark][i].position.y + ") | tab: " + vimperator.tabs.index(local_marks[mark][i].tab), 5);
                    local_marks[mark].splice(i, 1);
                    if (local_marks[mark].length == 0)
                        delete local_marks[mark];
                    break;
                }
            }
        }
    }

    function removeURLMark(mark)
    {
        if (mark in url_marks)
        {
            vimperator.log("Deleting URL mark: " + mark + " | " + url_marks[mark].location + " | (" + url_marks[mark].position.x + ", " + url_marks[mark].position.y + ") | tab: " + vimperator.tabs.index(url_marks[mark].tab), 5);
            delete url_marks[mark];
        }
    }

    function isLocalMark(mark)
    {
        return /^[a-z]$/.test(mark);
    }

    function isURLMark(mark)
    {
        return /^[A-Z0-9]$/.test(mark);
    }

    function getSortedMarks()
    {
        // local marks
        var lmarks = [];

        for (var mark in local_marks)
        {
            for (var i = 0; i < local_marks[mark].length; i++)
            {
                if (local_marks[mark][i].location == window.content.location.href)
                    lmarks.push([mark, local_marks[mark][i]]);
            }
        }
        lmarks.sort();

        // URL marks
        var umarks = [];

        for (var mark in url_marks)
            umarks.push([mark, url_marks[mark]]);
        // FIXME: why does umarks.sort() cause a "Component is not available =
        // NS_ERROR_NOT_AVAILABLE" exception when used here?
        umarks.sort(function(a, b) {
            if (a[0] < b[0])
                return -1;
            else if (a[0] > b[0])
                return 1;
            else
                return 0;
        });

        return lmarks.concat(umarks);
    }

    /////////////////////////////////////////////////////////////////////////////}}}
    ////////////////////// PUBLIC SECTION //////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    // TODO: add support for frameset pages
    this.add = function(mark)
    {
        var win = window.content;

        if (win.document.body.localName.toLowerCase() == "frameset")
        {
            vimperator.echoerr("marks support for frameset pages not implemented yet");
            return;
        }

        var x = win.scrollMaxX ? win.pageXOffset / win.scrollMaxX : 0;
        var y = win.scrollMaxY ? win.pageYOffset / win.scrollMaxY : 0;
        var position = { x: x, y: y };

        if (isURLMark(mark))
        {
            vimperator.log("Adding URL mark: " + mark + " | " + win.location.href + " | (" + position.x + ", " + position.y + ") | tab: " + vimperator.tabs.index(vimperator.tabs.getTab()), 5);
            url_marks[mark] = { location: win.location.href, position: position, tab: vimperator.tabs.getTab() };
        }
        else if (isLocalMark(mark))
        {
            // remove any previous mark of the same name for this location
            removeLocalMark(mark);
            if (!local_marks[mark])
                local_marks[mark] = [];
            vimperator.log("Adding local mark: " + mark + " | " + win.location.href + " | (" + position.x + ", " + position.y + ")", 5);
            local_marks[mark].push({ location: win.location.href, position: position });
        }
    }

    this.remove = function(filter, special)
    {
        if (special)
        {
            // :delmarks! only deletes a-z marks
            for (var mark in local_marks)
                removeLocalMark(mark);
        }
        else
        {
            var pattern = new RegExp("[" + filter.replace(/\s+/g, '') + "]");
            for (var mark in url_marks)
            {
                if (pattern.test(mark))
                    removeURLMark(mark);
            }
            for (var mark in local_marks)
            {
                if (pattern.test(mark))
                    removeLocalMark(mark);
            }
        }
    }

    this.jumpTo = function(mark)
    {
        var ok = false;

        if (isURLMark(mark))
        {
            var slice = url_marks[mark];
            if (slice && slice.tab && slice.tab.linkedBrowser)
            {
                if (!slice.tab.parentNode)
                {
                    pending_jumps.push(slice);
                    // NOTE: this obviously won't work on generated pages using
                    // non-unique URLs, like Vimperator's help :(
                    vimperator.open(slice.location, vimperator.NEW_TAB);
                    return;
                }
                var index = vimperator.tabs.index(slice.tab);
                if (index != -1)
                {
                    vimperator.tabs.select(index);
                    var win = slice.tab.linkedBrowser.contentWindow;
                    if (win.location.href != slice.location)
                    {
                        pending_jumps.push(slice);
                        win.location.href = slice.location;
                        return;
                    }
                    vimperator.log("Jumping to URL mark: " + mark + " | " + slice.location + " | (" + slice.position.x + ", " + slice.position.y + ") | tab: " + vimperator.tabs.index(slice.tab), 5);
                    win.scrollTo(slice.position.x * win.scrollMaxX, slice.position.y * win.scrollMaxY);
                    ok = true;
                }
            }
        }
        else if (isLocalMark(mark))
        {
            var win = window.content;
            var slice = local_marks[mark] || [];

            for (var i = 0; i < slice.length; i++)
            {
                if (win.location.href == slice[i].location)
                {
                    vimperator.log("Jumping to local mark: " + mark + " | " + slice[i].location + " | (" + slice[i].position.x + ", " + slice[i].position.y + ")", 5);
                    win.scrollTo(slice[i].position.x * win.scrollMaxX, slice[i].position.y * win.scrollMaxY);
                    ok = true;
                }
            }
        }

        if (!ok)
            vimperator.echoerr("E20: Mark not set"); // FIXME: move up?
    }

    this.list = function(filter)
    {
        var marks = getSortedMarks();

        if (marks.length == 0)
        {
            vimperator.echoerr("No marks set");
            return;
        }

        if (filter.length > 0)
        {
            marks = marks.filter(function(mark) {
                    if (filter.indexOf(mark[0]) > -1)
                        return mark;
            });
            if (marks.length == 0)
            {
                vimperator.echoerr("E283: No marks matching \"" + filter + "\"");
                return;
            }
        }

        var list = "<table><tr align=\"left\" style=\"color: magenta\"><th>mark</th><th>line</th><th>col</th><th>file</th></tr>";
        for (var i = 0; i < marks.length; i++)
        {
            list += "<tr>"
                  + "<td>&nbsp;"           + marks[i][0]                              +  "</td>"
                  + "<td align=\"right\">" + Math.round(marks[i][1].position.y * 100) + "%</td>"
                  + "<td align=\"right\">" + Math.round(marks[i][1].position.x * 100) + "%</td>"
                  + "<td>"                 + marks[i][1].location                     +  "</td>"
                  + "</tr>";
        }
        list += "</table>";

        vimperator.commandline.echo(list, true); // TODO: force of multiline widget a better way
    }
    //}}}
} //}}}

function QuickMarks() //{{{
{
    ////////////////////////////////////////////////////////////////////////////////
    ////////////////////// PRIVATE SECTION /////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    var qmarks = {};
    var saved_marks = Options.getPref("quickmarks", "").split("\n");

    // load the saved quickmarks -- TODO: change to sqlite
    for (var i = 0; i < saved_marks.length - 1; i += 2)
    {
        qmarks[saved_marks[i]] = saved_marks[i + 1];
    }

    /////////////////////////////////////////////////////////////////////////////}}}
    ////////////////////// PUBLIC SECTION //////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////{{{

    this.add = function(qmark, location)
    {
        qmarks[qmark] = location;
    }

    this.remove = function(filter)
    {
        var pattern = new RegExp("[" + filter.replace(/\s+/g, '') + "]");

        for (var qmark in qmarks)
        {
            if (pattern.test(qmark))
                delete qmarks[qmark];
        }
    }

    this.removeAll = function()
    {
        qmarks = {};
    }

    this.jumpTo = function(qmark, where)
    {
        var url = qmarks[qmark];

        if (url)
            vimperator.open(url, where);
        else
            vimperator.echoerr("E20: QuickMark not set");
    }

    this.list = function(filter)
    {
        var marks = [];

        // TODO: should we sort these in a-zA-Z0-9 order?
        for (var mark in qmarks)
            marks.push([mark, qmarks[mark]]);
        marks.sort();

        if (marks.length == 0)
        {
            vimperator.echoerr("No marks set");
            return;
        }

        if (filter.length > 0)
        {
            marks = marks.filter(function(mark) {
                    if (filter.indexOf(mark[0]) > -1)
                        return mark;
            });
            if (marks.length == 0)
            {
                vimperator.echoerr("E283: No QuickMarks matching \"" + filter + "\"");
                return;
            }
        }

        var list = "<table><tr align=\"left\" style=\"color: magenta\"><th>QuickMark</th><th>URL</th></tr>";
        for (var i = 0; i < marks.length; i++)
        {
            list += "<tr><td>&nbsp;&nbsp;&nbsp;&nbsp;" + marks[i][0] + "</td><td>" + marks[i][1] + "</td></tr>";
        }
        list += "</table>";

        vimperator.commandline.echo(list, true); // TODO: force of multiline widget a better way
    }

    this.destroy = function()
    {
        // save the quickmarks
        var saved_qmarks = "";

        for (var i in qmarks)
        {
            saved_qmarks += i + "\n";
            saved_qmarks += qmarks[i] + "\n";
        }

        Options.setPref("quickmarks", saved_qmarks);
    }
    //}}}
} //}}}

// vim: set fdm=marker sw=4 ts=4 et: