toolkit/mozapps/downloads/tests/chrome/test_space_key_pauses_resumes.xul
author Gervase Markham <gerv@gerv.net>
Tue, 29 May 2012 16:52:43 +0100
changeset 99299 7c3cd4824f94609d4ad714bea9c687227c641e63
parent 75084 67f6f1908b0f4cb8c00d3de763787fdb8fe8eeeb
child 115382 eff426a003e17ee569060ea7b6bea027165669f3
permissions -rw-r--r--
Bug 759095 - upgrade license to MPL 2, and other licensing cleanups.

<?xml version="1.0"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/.  -->
<!--
 * This tests that the space key will pause and resume a download in the UI.
 * This test was added in bug 413985.
-->

<window title="Download Manager Test"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="test();">

  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
  <script type="application/javascript"
          src="utils.js"/>

  <script type="application/javascript">
  <![CDATA[

function bug413985obs(aWin)
{
  this.mWin = aWin;
  this.wasPaused = false;
  this.wasResumed = false;
  this.timer = null; // timer declared here to prevent premature GC 
}
bug413985obs.prototype = {
  observe: function(aSubject, aTopic, aData)
  {
    if ("timer-callback" == aTopic) {
      // dispatch a space keypress to resume the download
      synthesizeKey(" ", {}, this.mWin);
    }
  },

  onDownloadStateChange: function(aState, aDownload)
  {
    if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_DOWNLOADING &&
        !this.wasPaused) {
      this.wasPaused = true;
      // dispatch a space keypress to pause the download
      synthesizeKey(" ", {}, this.mWin);
    }

    if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_PAUSED &&
        !this.wasResumed) {
      this.wasResumed = true;
      // We have to do this on a timer so other JS stuff that handles the UI
      // can actually catch up to us...
      this.timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
      this.timer.init(this, 0, Ci.nsITimer.TYPE_ONE_SHOT);
    }

    if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_FINISHED) {
      ok(this.wasPaused && this.wasResumed,
         "The download was paused, and then resumed to completion");
      aDownload.targetFile.remove(false);

      var dm = Cc["@mozilla.org/download-manager;1"].
                getService(Ci.nsIDownloadManager);
      dm.removeListener(this);

      SimpleTest.finish();
    }
  },
  onStateChange: function(a, b, c, d, e) { },
  onProgressChange: function(a, b, c, d, e, f, g) { },
  onSecurityChange: function(a, b, c, d) { }
};
function test()
{
  var dmui = getDMUI();
  if (!dmui) {
    todo(false, "skip test for toolkit download manager UI");
    return;
  }

  var dm = Cc["@mozilla.org/download-manager;1"].
           getService(Ci.nsIDownloadManager);

  function addDownload() {
    function createURI(aObj) {
      var ios = Cc["@mozilla.org/network/io-service;1"].
                getService(Ci.nsIIOService);
      return (aObj instanceof Ci.nsIFile) ? ios.newFileURI(aObj) :
                                            ios.newURI(aObj, null, null);
    }

    const nsIWBP = Ci.nsIWebBrowserPersist;
    var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
                  .createInstance(Ci.nsIWebBrowserPersist);
    persist.persistFlags = nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES |
                           nsIWBP.PERSIST_FLAGS_BYPASS_CACHE |
                           nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;

    var dirSvc = Cc["@mozilla.org/file/directory_service;1"].
                 getService(Ci.nsIProperties);
    var destFile = dirSvc.get("ProfD", Ci.nsIFile);
    destFile.append("download.result");
    if (destFile.exists())
      destFile.remove(false);

    var dl = dm.addDownload(Ci.nsIDownloadManager.DOWNLOAD_TYPE_DOWNLOAD,
                            createURI("http://example.com/httpd.js"),
                            createURI(destFile), null, null,
                            Math.round(Date.now() * 1000), null, persist);

    persist.progressListener = dl.QueryInterface(Ci.nsIWebProgressListener);
    persist.saveURI(dl.source, null, null, null, null, dl.targetFile);

    return dl;
  }

  // First, we clear out the database
  dm.DBConnection.executeSimpleSQL("DELETE FROM moz_downloads");

  // See if the DM is already open, and if it is, close it!
  var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
           getService(Ci.nsIWindowMediator);
  var win = wm.getMostRecentWindow("Download:Manager");
  if (win)
    win.close();

  let os = Cc["@mozilla.org/observer-service;1"].
           getService(Ci.nsIObserverService);
  const DLMGR_UI_DONE = "download-manager-ui-done";

  let testObs = {
    observe: function(aSubject, aTopic, aData)
    {
      if (aTopic != DLMGR_UI_DONE)
        return;

      SimpleTest.waitForFocus(function () { continueTest(aSubject) }, aSubject);
    }
  };

  var continueTest = function(win)
  {
    let doc = win.document;
    dm.addListener(new bug413985obs(win));

    let dl = addDownload();
    // we need to focus the download as well
    doc.getElementById("downloadView").selectedIndex = 0;
    os.removeObserver(testObs, DLMGR_UI_DONE);
  };

  // Register with the observer service
  os.addObserver(testObs, DLMGR_UI_DONE, false);

  // Show the Download Manager UI
  dmui.show();

  SimpleTest.waitForExplicitFinish();
}

  ]]>
  </script>

  <body xmlns="http://www.w3.org/1999/xhtml">
    <p id="display"></p>
    <div id="content" style="display:none;"></div>
    <pre id="test"></pre>
  </body>
</window>