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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
/** @suppress {duplicate} */
var remoting = remoting || {};
/**
* Initialize the host list.
*
* @param {function(string)} handleConnect Function to call to connect to the
* host with |hostId|.
*/
remoting.initHostlist_ = function(handleConnect) {
remoting.hostController = new remoting.HostController();
remoting.hostList = new remoting.HostList(
document.getElementById('host-list'),
document.getElementById('host-list-empty'),
document.getElementById('host-list-error-message'),
document.getElementById('host-list-refresh-failed-button'),
document.getElementById('host-list-loading-indicator'),
remoting.showErrorMessage,
handleConnect);
isHostModeSupported_().then(function(/** boolean */ supported) {
if (supported) {
var noShare = document.getElementById('unsupported-platform-message');
noShare.parentNode.removeChild(noShare);
} else {
var button = document.getElementById('share-button');
button.disabled = true;
}
});
var onLoad = function() {
// Parse URL parameters.
var urlParams = base.getUrlParameters();
if ('mode' in urlParams) {
if (urlParams['mode'] === 'me2me') {
var hostId = urlParams['hostId'];
handleConnect(hostId);
return;
}
}
// No valid URL parameters, start up normally.
remoting.initHomeScreenUi();
}
remoting.hostList.load(onLoad);
}
/**
* Returns whether Host mode is supported on this platform for It2Me.
*
* @return {Promise} Resolves to true if Host mode is supported.
*/
function isHostModeSupported_() {
if (remoting.HostInstaller.canInstall()) {
return Promise.resolve(true);
}
return remoting.HostInstaller.isInstalled();
}
/**
* initHomeScreenUi is called if the app is not starting up in session mode,
* and also if the user cancels pin entry or the connection in session mode.
*/
remoting.initHomeScreenUi = function() {
remoting.setMode(remoting.AppMode.HOME);
var dialog = document.getElementById('paired-clients-list');
var message = document.getElementById('paired-client-manager-message');
var deleteAll = document.getElementById('delete-all-paired-clients');
var close = document.getElementById('close-paired-client-manager-dialog');
var working = document.getElementById('paired-client-manager-dialog-working');
var error = document.getElementById('paired-client-manager-dialog-error');
var noPairedClients = document.getElementById('no-paired-clients');
remoting.pairedClientManager =
new remoting.PairedClientManager(remoting.hostController, dialog, message,
deleteAll, close, noPairedClients,
working, error);
// Display the cached host list, then asynchronously update and re-display it.
remoting.updateLocalHostState();
remoting.hostList.refresh().then(remoting.updateLocalHostState);
remoting.butterBar = new remoting.ButterBar();
};
/**
* Fetches local host state and updates the DOM accordingly.
*/
remoting.updateLocalHostState = function() {
/**
* @param {remoting.HostController.State} state Host state.
*/
var onHostState = function(state) {
if (state == remoting.HostController.State.STARTED) {
remoting.hostController.getLocalHostId(onHostId.bind(null, state));
} else {
onHostId(state, null);
}
};
/**
* @param {remoting.HostController.State} state Host state.
* @param {string?} hostId Host id.
*/
var onHostId = function(state, hostId) {
remoting.hostList.setLocalHostStateAndId(state, hostId);
remoting.hostList.display();
};
/**
* @param {boolean} response True if the feature is present.
*/
var onHasFeatureResponse = function(response) {
/**
* @param {!remoting.Error} error
*/
var onError = function(error) {
console.error('Failed to get pairing status: ' + error.toString());
remoting.pairedClientManager.setPairedClients([]);
};
if (response) {
remoting.hostController.getPairedClients(
remoting.pairedClientManager.setPairedClients.bind(
remoting.pairedClientManager),
onError);
} else {
console.log('Pairing registry not supported by host.');
remoting.pairedClientManager.setPairedClients([]);
}
};
remoting.hostController.hasFeature(
remoting.HostController.Feature.PAIRING_REGISTRY).
then(onHasFeatureResponse);
remoting.hostController.getLocalHostState(onHostState);
};
/**
* Entry point for test code. In order to make test and production
* code as similar as possible, the same entry point is used for
* production code, but since production code should never have
* 'source' set to 'test', it continue with initialization
* immediately. As a fail-safe, the mechanism by which initialization
* completes when under test is controlled by a simple UI, making it
* possible to use the app even if the previous assumption fails to
* hold in some corner cases.
*/
remoting.startDesktopRemotingForTesting = function() {
var urlParams = base.getUrlParameters();
if (urlParams['source'] === 'test') {
document.getElementById('browser-test-continue-init').addEventListener(
'click', remoting.startDesktopRemoting, false);
document.getElementById('browser-test-deferred-init').hidden = false;
} else {
remoting.startDesktopRemoting();
}
}
/**
* @param {!remoting.Error} error The failure reason.
*/
remoting.showErrorMessage = function(error) {
l10n.localizeElementFromTag(
document.getElementById('token-refresh-error-message'),
error.getTag());
var auth_failed = (error.hasTag(remoting.Error.Tag.AUTHENTICATION_FAILED));
if (auth_failed && base.isAppsV2()) {
remoting.handleAuthFailureAndRelaunch();
} else {
document.getElementById('token-refresh-auth-failed').hidden = !auth_failed;
document.getElementById('token-refresh-other-error').hidden = auth_failed;
remoting.setMode(remoting.AppMode.TOKEN_REFRESH_FAILED);
}
};
remoting.startDesktopRemoting = function() {
remoting.app = new remoting.DesktopRemoting();
remoting.app.start();
};
window.addEventListener('load', remoting.startDesktopRemotingForTesting, false);
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