import reading.js

git-svn-id: http://svn.coderepos.org/share/lang/javascript/vimperator-plugins/trunk@20508 d0d07461-0603-4401-acd4-de1884942a52

1 files changed, 221 insertions, 0 deletions

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+/*

+ * ==VimperatorPlugin==

+ * @name            reading.js

+ * @description     update Twitter's status to current URL and comment

+ * @description-ja  今見てるページの URL とタイトルをコメントといっしょに Twitter に投稿する

+ * @author          janus_wel <janus_wel@fb3.so-net.ne.jp>

+ * @version         0.21

+ * @minversion      1.2

+ * ==VimperatorPlugin==

+ *

+ * LICENSE

+ *   New BSD License

+ *

+ * USAGE

+ *   :reading [comment]

+ *     Twitter に今見ているページの情報をポストする。 comment はなくてもかまわない。

+ *   :reading! [comment]

+ *     Twitter に送られる文字列をクリップボードにコピーする。実際には送られない。

+ *

+ * VALIABLE

+ *   g:reading_format

+ *     投稿する文章の書式設定。以下の変数指定が可能。

+ *       $SERVICENAME : このプラグインが付加する文字列。 g:reading_servicename で指定する。

+ *       $TITLE       : ページのタイトル。

+ *       $URL         : ページの URL。

+ *       $SELECTED    : visual mode やマウスで選択した文字列。

+ *       $COMMENT     : コメント。これがないとコメントを書いても反映されない。

+ *     default

+ *       let g:reading_format='$SERVICENAME : $COMMENT "$TITLE" $URL $SELECTED'

+ *

+ *   g:reading_servicename

+ *     このプラグインが固定で付加する文字列。

+ *     default

+ *       let g:reading_servicename='I'm reading now'

+ *

+ *   g:reading_title_default

+ *     タイトルがない場合に付加される文字列。

+ *     default

+ *       let g:reading_title_default='no title'

+ *

+ * HISTORY

+ *   2008/09/05 ver. 0.10   - initial written.

+ *   2008/09/24 ver. 0.20   - add URL canonicalization.

+ *   2008/10/02 ver. 0.21   - fix the bug not apply encodeURI

+ *                            to querystring for pathtraq API.

+ * */

+

+(function(){

+

+// twitter's URL to post

+const DOMAIN   = 'http://twitter.com/';

+const POST_URL = 'http://twitter.com/statuses/update.json';

+

+// information functions

+// change XPath query when html changed.

+function Scraper(){}

+Scraper.prototype = {

+    constants: {

+        VERSION:    '0.21',

+    },

+

+    version: function(){ return this.constants.VERSION; },

+

+    getURL: function() {

+        return liberator.buffer.URL;

+    },

+

+    getTitle: function() {

+        var title = $f('//title');

+        return title ? title.text : null;

+    },

+

+    getSelected: function() {

+        var selected = window.content.getSelection().toString();

+        return selected ? selected : '';

+    }

+};

+

+liberator.commands.addUserCommand(['reading'], "update Twitter's status to current page title, URL and comment",

+    function(arg, special) {

+        try {

+            // build post string -----

+            var post_string;

+

+            // get value from global variable or set default

+            var format        = liberator.globalVariables.reading_format || '$SERVICENAME : $COMMENT "$TITLE" $URL $SELECTED';

+            var serviceName   = liberator.globalVariables.reading_servicename || 'I\'m reading now';

+            var title_default = liberator.globalVariables.reading_title_default || 'no title';

+

+            var scraper = new Scraper;

+            var title = scraper.getTitle() || title_default;

+            var canonicalizedURL = canonicalizeURL(scraper.getURL());

+

+            // expand variable ( evaluate variable ? )

+            post_string = format.replace(/\$SERVICENAME/g, serviceName)

+                                .replace(/\$TITLE/g,       title)

+                                .replace(/\$URL/g,         canonicalizedURL)

+                                .replace(/\$SELECTED/g,    scraper.getSelected())

+                                .replace(/\$COMMENT/g,     arg);

+

+            // ':matanico!' display the evaluated format.

+            if(special) {

+                liberator.util.copyToClipboard(post_string, true);

+                return;

+            }

+

+            // ready posting -----

+            // URI encode

+            var parameter = 'status=' + encodeURIComponent(post_string);

+

+            // get user account for twitter

+            var [user, pass] = getUserAccount(DOMAIN, POST_URL, null);

+

+            // send status

+            var req = new XMLHttpRequest();

+            if(req) {

+                req.open('POST', POST_URL, true, user, pass);

+                req.onreadystatechange = function() {

+                    if (req.readyState == 4) {

+                        if(req.status == 200) liberator.echo('Posted ' + post_string)

+                        else throw new Error('failure in posting status to Twitter. HTTP status code : ' + req.status);

+                    }

+                }

+                req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

+                req.send(parameter);

+            }

+        }

+        catch(e) {

+            liberator.echoerr(e.message);

+            liberator.log(e.message);

+        }

+    },

+    // complete logic is none.

+    {}

+);

+

+// stuff functions

+function $f(query, node) {

+    node = node || window.content.document;

+    var result = (node.ownerDocument || node).evaluate(

+        query,

+        node,

+        null,

+        XPathResult.FIRST_ORDERED_NODE_TYPE,

+        null

+    );

+    return result.singleNodeValue ? result.singleNodeValue : null;

+}

+

+function $s(query, node) {

+    node = node || window.content.document;

+    var result = (node.ownerDocument || node).evaluate(

+        query,

+        node,

+        null,

+        XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,

+        null

+    );

+    var nodes = [];

+    for(var i=0 ; i<result.snapshotLength ; ++i) nodes.push(result.snapshotItem(i));

+    return nodes;

+}

+

+function canonicalizeURL(url) {

+    const PATHTRAQ_CANONICALIZE_URL_API = 'http://api.pathtraq.com/normalize_url2?api=json&url=';

+

+    var req = new XMLHttpRequest();

+    req.open('GET', PATHTRAQ_CANONICALIZE_URL_API + encodeURI(url), false);

+    req.send(null);

+    if(req.status === 200) {

+        var canonicalized = req.responseText.replace(/^"/, '').replace(/"$/, '');

+        return canonicalized ? canonicalized : url;

+    }

+    else {

+        throw new Error(req.status + ' ' + req.statusText + "\n" + req.responseHeaders);

+    }

+}

+

+// user account manager

+// from direct_bookmark.js

+// thanks to Trapezoid

+function getUserAccount(form,post,arg){

+    var user, password;

+    try{

+        var passwordManager = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);

+        var logins = passwordManager.findLogins({}, form, post, arg);

+        if(logins.length > 0){

+            [user, password] = [logins[0].username, logins[0].password];

+        } else {

+            var promptUser = { value : '' }, promptPass = { value : '' };

+            var promptSvc = Cc["@mozilla.org/embedcomp/prompt-service;1"]

+                .getService(Ci.nsIPromptService);

+

+            var nsLoginInfo = new Components.Constructor("@mozilla.org/login-manager/loginInfo;1",

+                    Ci.nsILoginInfo,

+                    "init");

+

+            var ret = promptSvc.promptUsernameAndPassword(

+                    window, form, 'Enter e-mail address and password.',

+                    promptUser, promptPass, null, {}

+                    );

+            if(ret){

+                [user, password] = [promptUser.value, promptPass.value];

+                var formLoginInfo = new nsLoginInfo(form,

+                        post, null,

+                        user, password, '', '');

+                passwordManager.addLogin(formLoginInfo);

+            } else {

+                liberator.echoerr("account not found - " + form);

+            }

+        }

+    }

+    catch(ex){

+        liberator.echoerr("handled exception during getting username and password");

+        liberator.log(ex);

+    }

+    return [user, password];

+}

+

+})();

+// vim:sw=4 ts=4 et: