/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

// This tests simulated drag and drop of files into the add-ons manager.
// We test with the add-ons manager in its own tab if in Firefox otherwise
// in its own window.
// Tests are only simulations of the drag and drop events, we cannot really do
// this automatically.

// Instead of loading EventUtils.js into the test scope in browser-test.js for all tests,
// we only need EventUtils.js for a few files which is why we are using loadSubScript.
var gManagerWindow;
var EventUtils = {};
this._scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
                     getService(Ci.mozIJSSubScriptLoader);
this._scriptLoader.loadSubScript("chrome://mochikit/content/tests/SimpleTest/EventUtils.js", EventUtils);

// This listens for the next opened window and checks it is of the right url.
// opencallback is called when the new window is fully loaded
// closecallback is called when the window is closed
function WindowOpenListener(url, opencallback, closecallback) {
  this.url = url;
  this.opencallback = opencallback;
  this.closecallback = closecallback;

  var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
                     .getService(Components.interfaces.nsIWindowMediator);
  wm.addListener(this);
}

WindowOpenListener.prototype = {
  url: null,
  opencallback: null,
  closecallback: null,
  window: null,
  domwindow: null,

  handleEvent(event) {
    is(this.domwindow.document.location.href, this.url, "Should have opened the correct window");

    this.domwindow.removeEventListener("load", this, false);
    // Allow any other load handlers to execute
    var self = this;
    executeSoon(function() { self.opencallback(self.domwindow); } );
  },

  onWindowTitleChange(window, title) {
  },

  onOpenWindow(window) {
    if (this.window)
      return;

    this.window = window;
    this.domwindow = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
                           .getInterface(Components.interfaces.nsIDOMWindow);
    this.domwindow.addEventListener("load", this, false);
  },

  onCloseWindow(window) {
    if (this.window != window)
      return;

    var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
                       .getService(Components.interfaces.nsIWindowMediator);
    wm.removeListener(this);
    this.opencallback = null;
    this.window = null;
    this.domwindow = null;

    // Let the window close complete
    executeSoon(this.closecallback);
    this.closecallback = null;
  }
};

var gSawInstallNotification = false;
var gInstallNotificationObserver = {
  observe(aSubject, aTopic, aData) {
    var installInfo = aSubject.QueryInterface(Ci.amIWebInstallInfo);
    if (gTestInWindow)
      is(installInfo.browser, null, "Notification should have a null browser");
    else
      isnot(installInfo.browser, null, "Notification should have non-null browser");
    gSawInstallNotification = true;
    Services.obs.removeObserver(this, "addon-install-started");
  }
};


function test() {
  waitForExplicitFinish();

  open_manager("addons://list/extension", function(aWindow) {
    gManagerWindow = aWindow;
    run_next_test();
  });
}

function end_test() {
  close_manager(gManagerWindow, function() {
    finish();
  });
}

function test_confirmation(aWindow, aExpectedURLs) {
  var list = aWindow.document.getElementById("itemList");
  is(list.childNodes.length, aExpectedURLs.length, "Should be the right number of installs");

  for (let url of aExpectedURLs) {
    let found = false;
    for (let node of list.children) {
      if (node.url == url) {
        found = true;
        break;
      }
    }
    ok(found, "Should have seen " + url + " in the list");
  }

  aWindow.document.documentElement.cancelDialog();
}

// Simulates dropping a URL onto the manager
add_test(function() {
  var url = TESTROOT + "addons/browser_dragdrop1.xpi";

  Services.obs.addObserver(gInstallNotificationObserver,
                           "addon-install-started", false);

  new WindowOpenListener(INSTALL_URI, function(aWindow) {
    test_confirmation(aWindow, [url]);
  }, function() {
    is(gSawInstallNotification, true, "Should have seen addon-install-started notification.");
    run_next_test();
  });

  var viewContainer = gManagerWindow.document.getElementById("view-port");
  var effect = EventUtils.synthesizeDrop(viewContainer, viewContainer,
               [[{type: "text/x-moz-url", data: url}]],
               "copy", gManagerWindow);
  is(effect, "copy", "Drag should be accepted");
});

// Simulates dropping a file onto the manager
add_test(function() {
  var fileurl = get_addon_file_url("browser_dragdrop1.xpi");

  Services.obs.addObserver(gInstallNotificationObserver,
                           "addon-install-started", false);

  new WindowOpenListener(INSTALL_URI, function(aWindow) {
    test_confirmation(aWindow, [fileurl.spec]);
  }, function() {
    is(gSawInstallNotification, true, "Should have seen addon-install-started notification.");
    run_next_test();
  });

  var viewContainer = gManagerWindow.document.getElementById("view-port");
  var effect = EventUtils.synthesizeDrop(viewContainer, viewContainer,
               [[{type: "application/x-moz-file", data: fileurl.file}]],
               "copy", gManagerWindow);
  is(effect, "copy", "Drag should be accepted");
});

// Simulates dropping two urls onto the manager
add_test(function() {
  var url1 = TESTROOT + "addons/browser_dragdrop1.xpi";
  var url2 = TESTROOT2 + "addons/browser_dragdrop2.xpi";

  Services.obs.addObserver(gInstallNotificationObserver,
                           "addon-install-started", false);

  new WindowOpenListener(INSTALL_URI, function(aWindow) {
    test_confirmation(aWindow, [url1, url2]);
  }, function() {
    is(gSawInstallNotification, true, "Should have seen addon-install-started notification.");
    run_next_test();
  });

  var viewContainer = gManagerWindow.document.getElementById("view-port");
  var effect = EventUtils.synthesizeDrop(viewContainer, viewContainer,
               [[{type: "text/x-moz-url", data: url1}],
                [{type: "text/x-moz-url", data: url2}]],
               "copy", gManagerWindow);
  is(effect, "copy", "Drag should be accepted");
});

// Simulates dropping two files onto the manager
add_test(function() {
  var fileurl1 = get_addon_file_url("browser_dragdrop1.xpi");
  var fileurl2 = get_addon_file_url("browser_dragdrop2.xpi");

  Services.obs.addObserver(gInstallNotificationObserver,
                           "addon-install-started", false);

  new WindowOpenListener(INSTALL_URI, function(aWindow) {
    test_confirmation(aWindow, [fileurl1.spec, fileurl2.spec]);
  }, function() {
    is(gSawInstallNotification, true, "Should have seen addon-install-started notification.");
    run_next_test();
  });

  var viewContainer = gManagerWindow.document.getElementById("view-port");
  var effect = EventUtils.synthesizeDrop(viewContainer, viewContainer,
               [[{type: "application/x-moz-file", data: fileurl1.file}],
                [{type: "application/x-moz-file", data: fileurl2.file}]],
               "copy", gManagerWindow);
  is(effect, "copy", "Drag should be accepted");
});

// Simulates dropping a file and a url onto the manager (weird, but should still work)
add_test(function() {
  var url = TESTROOT + "addons/browser_dragdrop1.xpi";
  var fileurl = get_addon_file_url("browser_dragdrop2.xpi");

  Services.obs.addObserver(gInstallNotificationObserver,
                           "addon-install-started", false);

  new WindowOpenListener(INSTALL_URI, function(aWindow) {
    test_confirmation(aWindow, [url, fileurl.spec]);
  }, function() {
    is(gSawInstallNotification, true, "Should have seen addon-install-started notification.");
    run_next_test();
  });

  var viewContainer = gManagerWindow.document.getElementById("view-port");
  var effect = EventUtils.synthesizeDrop(viewContainer, viewContainer,
               [[{type: "text/x-moz-url", data: url}],
                [{type: "application/x-moz-file", data: fileurl.file}]],
               "copy", gManagerWindow);
  is(effect, "copy", "Drag should be accepted");
});
