<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="../resources/mojo-helpers.js"></script>
<script src="resources/fake-devices.js"></script>
<script src="resources/usb-helpers.js"></script>
<script>
'use strict';

function runIframeDisconnectTest(usb, onDeviceConnected) {
  return new Promise((resolve, reject) => {
    let mockDeviceManager = new usb.MockDeviceManager;
    let opened = false;
    let iframe = document.createElement('iframe');

    window.onmessage = messageEvent => {
      if (messageEvent.data === 'Ready') {
        mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
      } else if (messageEvent.data === 'Success') {
        opened = true;
        onDeviceConnected(iframe);
      } else {
        reject(messageEvent.data);
      }
    };

    mockDeviceManager.setDeviceCloseHandler(info => {
      assert_equals(info, usb.fakeDevices[0]);
      assert_true(opened);
      resolve();
    });

    iframe.src = 'resources/open-in-iframe.html';
    iframe.onload = () => {
      iframe.contentWindow.mojo.define(
          "Mojo Service Registry",
          [ 'content/public/renderer/frame_interfaces' ],
          (frameInterfaces) => {
            frameInterfaces.addInterfaceOverrideForTesting(
            usb.DeviceManager.name,
            pipe => { mockDeviceManager.bindToPipe(pipe); });
        iframe.contentWindow.postMessage('Ready', '*');
      });
    }
    document.body.appendChild(iframe);
  });
}

usb_test(usb => {
  return runIframeDisconnectTest(usb, iframe => {
    document.body.removeChild(iframe);
  });
}, 'detaching iframe disconnects device.');

usb_test(usb => {
  return runIframeDisconnectTest(usb, iframe => {
    iframe.src = 'about:blank';
  });
}, 'navigating iframe disconnects device.');

usb_test(usb => {
  return new Promise((resolve, reject) => {
    let mockDeviceManager = new usb.MockDeviceManager;
    let iframe = document.createElement('iframe');

    window.onmessage = messageEvent => {
      if (messageEvent.data === 'Ready') {
        document.body.removeChild(iframe);
        runGarbageCollection().then(() => {
          mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
          resolve();
        });
      } else {
        reject(messageEvent.data);
      }
    };

    iframe.src = 'resources/open-in-iframe.html';
    iframe.onload = () => {
      iframe.contentWindow.mojo.define(
          "Mojo Service Registry",
          [ 'content/public/renderer/frame_interfaces' ],
          (frameInterfaces) => {
            frameInterfaces.addInterfaceOverrideForTesting(
            usb.DeviceManager.name,
            pipe => { mockDeviceManager.bindToPipe(pipe); });
        iframe.contentWindow.postMessage('Ready', '*');
      });
    }
    document.body.appendChild(iframe);
  });
}, 'events are not delivered to detached frames');
</script>