background.js

// Copyright 2009 Google Inc. All Rights Reserved.

/**
 * @fileoverview Handles all message communication for the
 * for the background page for the Send via Gmail+ extension.
 */

var baseGmailUrl = "https://mail.google.com/";
var gmailUrlSuffix = "mail/?view=cm&fs=1&tf=1";

function makeGmailDomainUrl() {
    var gmailUrl = baseGmailUrl;
    var domainName = window.localStorage["domainName"];
    if (domainName) {
        gmailUrl += "a/" + domainName + "/";
    }
    return gmailUrl + gmailUrlSuffix;
}

var subjectPrefix = '';
var title = '';
var url = '';
// selected text from the current tab passed from content script.
var selectedText = '';

// Send message to the mailto script to update its cached gmail url.
// On any change in options, this message will be sent again.
chrome.extension.onConnect.addListener(
    function(port) {
        if (port.name == "GmailUrlConn") {
            port.onMessage.addListener(function(msg) {
                if (msg.req == "GmailUrlPlease") {
                    port.postMessage({gmailDomainUrl: makeGmailDomainUrl()});
                } else {
                    console.log("Unsupported req on valid port");
                }
            });
        }
    });

chrome.extension.onRequest.addListener(
    function(connectionInfo) {

        selectedText = connectionInfo;
        
        if(localStorage['emailAddresses'])
            makeUserSelectionWin(selectedText);
        else
            makeGmailWin(selectedText);
    });

// From = <whatever gmail account is logged in;
//         If not logged in, redirects to login page>
// To = <Unfilled>
//      [TODO: In the next version, may provide some Options for
//       favorite recipients]
// Subject = [Interesting Page] <Page's Title>
// Body = Summary Selection + URL
chrome.browserAction.onClicked.addListener(
    function(tab) {
        chrome.tabs.executeScript(null, {file: "infopasser.js"});
        title = tab.title;
        url = tab.url;
    });

function makeGmailWin(summary) {
    // Ensure this is the active window
    var body = '';
    console.log("Summary = " + summary);
    var subject = "";
    if (localStorage["subjectPrefix"]) {
        subject += localStorage["subjectPrefix"] + " - ";
    }
    subject += title;
    if (summary == '') {
        body = url;
    } else {
        body = summary + "\n" + url;
    }
    var gmailURL = makeGmailDomainUrl() +
        "&su=" + encodeURIComponent(subject) +
        "&body=" + encodeURIComponent(body);
    chrome.windows.create({
        url: gmailURL,
        left: 20,
        top: 30,
        width: 700,
        height: 600
    });
}

function makeUserSelectionWin(summary) {
    chrome.windows.create({
        url: 'users.html',
        left: 20,
        top: 30,
        width: 700,
        height: 600
    });
}