[Files.app] Split the JavaScript files into subdirectories: common, background, and foreground

chrome/browser/resources/file_manager/js/share_dialog.js

-// Copyright 2013 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';
-
-/**
- * @param {HTMLElement} parentNode Node to be parent for this dialog.
- * @constructor
- * @extends {FileManagerDialogBase}
- * @implements {ShareClient.Observer}
- */
-function ShareDialog(parentNode) {
-  this.queue_ = new AsyncUtil.Queue();
-  this.onQueueTaskFinished_ = null;
-  this.shareClient_ = null;
-  this.spinner_ = null;
-  this.spinnerWrapper_ = null;
-  this.webViewWrapper_ = null;
-  this.webView_ = null;
-  this.failureTimeout_ = null;
-  this.callback_ = null;
-
-  FileManagerDialogBase.call(this, parentNode);
-}
-
-/**
- * Timeout for loading the share dialog before giving up.
- * @type {number}
- * @const
- */
-ShareDialog.FAILURE_TIMEOUT = 10000;
-
-/**
- * The result of opening the dialog.
- * @enum {string}
- * @const
- */
-ShareDialog.Result = Object.freeze({
-  // The dialog is closed normally. This includes user cancel.
-  SUCCESS: 'success',
-  // The dialog is closed by network error.
-  NETWORK_ERROR: 'networkError',
-  // The dialog is not opened because it is already showing.
-  ALREADY_SHOWING: 'alreadyShowing'
-});
-
-/**
- * Wraps a Web View element and adds authorization headers to it.
- * @param {string} urlPattern Pattern of urls to be authorized.
- * @param {WebView} webView Web View element to be wrapped.
- * @constructor
- */
-ShareDialog.WebViewAuthorizer = function(urlPattern, webView) {
-  this.urlPattern_ = urlPattern;
-  this.webView_ = webView;
-  this.initialized_ = false;
-  this.accessToken_ = null;
-};
-
-/**
- * Initializes the web view by installing hooks injecting the authorization
- * headers.
- * @param {function()} callback Completion callback.
- */
-ShareDialog.WebViewAuthorizer.prototype.initialize = function(callback) {
-  if (this.initialized_) {
-    callback();
-    return;
-  }
-
-  var registerInjectionHooks = function() {
-    this.webView_.removeEventListener('loadstop', registerInjectionHooks);
-    this.webView_.request.onBeforeSendHeaders.addListener(
-      this.authorizeRequest_.bind(this),
-      {urls: [this.urlPattern_]},
-      ['blocking', 'requestHeaders']);
-    this.initialized_ = true;
-    callback();
-  }.bind(this);
-
-  this.webView_.addEventListener('loadstop', registerInjectionHooks);
-  this.webView_.setAttribute('src', 'data:text/html,');
-};
-
-/**
- * Authorizes the web view by fetching the freshest access tokens.
- * @param {function()} callback Completion callback.
- */
-ShareDialog.WebViewAuthorizer.prototype.authorize = function(callback) {
-  // Fetch or update the access token.
-  chrome.fileBrowserPrivate.requestAccessToken(false,  // force_refresh
-      function(inAccessToken) {
-        this.accessToken_ = inAccessToken;
-        callback();
-      }.bind(this));
-};
-
-/**
- * Injects headers into the passed request.
- * @param {Event} e Request event.
- * @return {{requestHeaders: HttpHeaders}} Modified headers.
- * @private
- */
-ShareDialog.WebViewAuthorizer.prototype.authorizeRequest_ = function(e) {
-  e.requestHeaders.push({
-    name: 'Authorization',
-    value: 'Bearer ' + this.accessToken_
-  });
-  return {requestHeaders: e.requestHeaders};
-};
-
-ShareDialog.prototype = {
-  __proto__: FileManagerDialogBase.prototype
-};
-
-/**
- * One-time initialization of DOM.
- * @private
- */
-ShareDialog.prototype.initDom_ = function() {
-  FileManagerDialogBase.prototype.initDom_.call(this);
-  this.frame_.classList.add('share-dialog-frame');
-
-  this.spinnerWrapper_ = this.document_.createElement('div');
-  this.spinnerWrapper_.className = 'spinner-container';
-  this.frame_.appendChild(this.spinnerWrapper_);
-
-  this.spinner_ = this.document_.createElement('div');
-  this.spinner_.className = 'spinner';
-  this.spinnerWrapper_.appendChild(this.spinner_);
-
-  this.webViewWrapper_ = this.document_.createElement('div');
-  this.webViewWrapper_.className = 'share-dialog-webview-wrapper';
-  this.cancelButton_.hidden = true;
-  this.okButton_.hidden = true;
-  this.frame_.insertBefore(this.webViewWrapper_,
-                           this.frame_.querySelector('.cr-dialog-buttons'));
-};
-
-/**
- * @override
- */
-ShareDialog.prototype.onResized = function(width, height, callback) {
-  if (width && height) {
-    this.webViewWrapper_.style.width = width + 'px';
-    this.webViewWrapper_.style.height = height + 'px';
-    this.webView_.style.width = width + 'px';
-    this.webView_.style.height = height + 'px';
-  }
-  setTimeout(callback, 0);
-};
-
-/**
- * @override
- */
-ShareDialog.prototype.onClosed = function() {
-  this.hide();
-};
-
-/**
- * @override
- */
-ShareDialog.prototype.onLoaded = function() {
-  if (this.failureTimeout_) {
-    clearTimeout(this.failureTimeout_);
-    this.failureTimeout_ = null;
-  }
-
-  // Logs added temporarily to track crbug.com/288783.
-  console.debug('Loaded.');
-
-  this.okButton_.hidden = false;
-  this.spinnerWrapper_.hidden = true;
-  this.webViewWrapper_.classList.add('loaded');
-  this.webView_.focus();
-};
-
-/**
- * @override
- */
-ShareDialog.prototype.onLoadFailed = function() {
-  this.hideWithResult(ShareDialog.Result.NETWORK_ERROR);
-};
-
-/**
- * @override
- */
-ShareDialog.prototype.hide = function(opt_onHide) {
-  this.hideWithResult(ShareDialog.Result.SUCCESS, opt_onHide);
-};
-
-/**
- * Hide the dialog with the result and the callback.
- * @param {ShareDialog.Result} result Result passed to the closing callback.
- * @param {function()=} opt_onHide Callback called at the end of hiding.
- */
-ShareDialog.prototype.hideWithResult = function(result, opt_onHide) {
-  if (!this.isShowing())
-    return;
-
-  if (this.shareClient_) {
-    this.shareClient_.dispose();
-    this.shareClient_ = null;
-  }
-
-  this.webViewWrapper_.textContent = '';
-  if (this.failureTimeout_) {
-    clearTimeout(this.failureTimeout_);
-    this.failureTimeout_ = null;
-  }
-
-  FileManagerDialogBase.prototype.hide.call(
-      this,
-      function() {
-        if (opt_onHide)
-          opt_onHide();
-        this.callback_(result);
-        this.callback_ = null;
-      }.bind(this));
-};
-
-/**
- * Shows the dialog.
- * @param {FileEntry} entry Entry to share.
- * @param {function(boolean)} callback Callback to be called when the showing
- *     task is completed. The argument is whether to succeed or not. Note that
- *     cancel is regarded as success.
- */
-ShareDialog.prototype.show = function(entry, callback) {
-  // If the dialog is already showing, return the error.
-  if (this.isShowing()) {
-    callback(ShareDialog.Result.ALREADY_SHOWING);
-    return;
-  }
-
-  // Initialize the variables.
-  this.callback_ = callback;
-  this.spinnerWrapper_.hidden = false;
-  this.webViewWrapper_.style.width = '';
-  this.webViewWrapper_.style.height = '';
-
-  // If the embedded share dialog is not started within some time, then
-  // give up and show an error message.
-  this.failureTimeout_ = setTimeout(function() {
-    this.hideWithResult(ShareDialog.Result.NETWORK_ERROR);
-
-    // Logs added temporarily to track crbug.com/288783.
-    console.debug('Timeout. Web View points at: ' + this.webView_.src);
-  }.bind(this), ShareDialog.FAILURE_TIMEOUT);
-
-  // TODO(mtomasz): Move to initDom_() once and reuse <webview> once it gets
-  // fixed. See: crbug.com/260622.
-  this.webView_ = util.createChild(
-      this.webViewWrapper_, 'share-dialog-webview', 'webview');
-  this.webView_.setAttribute('tabIndex', '-1');
-  this.webViewAuthorizer_ = new ShareDialog.WebViewAuthorizer(
-      !window.IN_TEST ? (ShareClient.SHARE_TARGET + '/*') : '<all_urls>',
-      this.webView_);
-  this.webView_.addEventListener('newwindow', function(e) {
-    // Discard the window object and reopen in an external window.
-    e.window.discard();
-    util.visitURL(e.targetUrl);
-    e.preventDefault();
-  });
-  var show = FileManagerDialogBase.prototype.showBlankDialog.call(this);
-  if (!show) {
-    // The code shoundn't get here, since already-showing was handled before.
-    console.error('ShareDialog can\'t be shown.');
-    return;
-  }
-
-  // Initialize and authorize the Web View tag asynchronously.
-  var group = new AsyncUtil.Group();
-
-  // Fetches an url to the sharing dialog.
-  var shareUrl;
-  group.add(function(inCallback) {
-    chrome.fileBrowserPrivate.getShareUrl(
-        entry.toURL(),
-        function(inShareUrl) {
-          if (!chrome.runtime.lastError)
-            shareUrl = inShareUrl;
-          inCallback();
-        });
-  });
-  group.add(this.webViewAuthorizer_.initialize.bind(this.webViewAuthorizer_));
-  group.add(this.webViewAuthorizer_.authorize.bind(this.webViewAuthorizer_));
-
-  // Loads the share widget once all the previous async calls are finished.
-  group.run(function() {
-    // If the url is not obtained, return the network error.
-    if (!shareUrl) {
-       // Logs added temporarily to track crbug.com/288783.
-       console.debug('URL not available.');
-
-       this.hideWithResult(ShareDialog.Result.NETWORK_ERROR);
-      return;
-    }
-    // Already inactive, therefore ignore.
-    if (!this.isShowing())
-      return;
-    this.shareClient_ = new ShareClient(this.webView_,
-                                        shareUrl,
-                                        this);
-    this.shareClient_.load();
-  }.bind(this));
-};
-
-/**
- * Tells whether the share dialog is showing or not.
- *
- * @return {boolean} True since the show method is called and until the closing
- *     callback is invoked.
- */
-ShareDialog.prototype.isShowing = function() {
-  return !!this.callback_;
-};