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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.
cr.define('extensions', function() {
'use strict';
/**
* Construct an ExtensionLoadError around the given |div|.
* @param {HTMLDivElement} div The HTML div for the extension load error.
* @constructor
*/
function ExtensionLoadError(div) {
div.__proto__ = ExtensionLoadError.prototype;
div.init();
return div;
}
ExtensionLoadError.prototype = {
__proto__: HTMLDivElement.prototype,
/**
* Initialize the ExtensionLoadError div.
*/
init: function() {
/**
* The element which displays the path of the extension.
* @type {HTMLSpanElement}
* @private
*/
this.path_ = this.querySelector('#extension-load-error-path');
/**
* The element which displays the reason the extension failed to load.
* @type {HTMLSpanElement}
* @private
*/
this.reason_ = this.querySelector('#extension-load-error-reason');
/**
* The element which displays the manifest code.
* @type {ExtensionCode}
* @private
*/
this.manifest_ = new extensions.ExtensionCode(
this.querySelector('#extension-load-error-manifest'));
this.querySelector('#extension-load-error-retry-button').addEventListener(
'click', function(e) {
chrome.send('extensionLoaderRetry');
this.hide_();
}.bind(this));
this.querySelector('#extension-load-error-give-up-button').
addEventListener('click', function(e) {
this.hide_();
}.bind(this));
},
/**
* Display the load error to the user.
* @param {string} path The path from which the extension was loaded.
* @param {string} reason The reason the extension failed to load.
* @param {string} manifest The manifest object, with highlighted regions.
*/
show: function(path, reason, manifest) {
this.path_.textContent = path;
this.reason_.textContent = reason;
manifest.message = reason;
this.manifest_.populate(
manifest,
loadTimeData.getString('extensionLoadCouldNotLoadManifest'));
this.hidden = false;
this.manifest_.scrollToError();
},
/**
* Hide the extension load error.
* @private
*/
hide_: function() {
this.hidden = true;
}
};
/**
* The ExtensionLoader is the class in charge of loading unpacked extensions.
* @constructor
*/
function ExtensionLoader() {
/**
* The ExtensionLoadError to show any errors from loading an unpacked
* extension.
* @type {ExtensionLoadError}
* @private
*/
this.loadError_ = new ExtensionLoadError($('extension-load-error'));
}
cr.addSingletonGetter(ExtensionLoader);
ExtensionLoader.prototype = {
/**
* Begin the sequence of loading an unpacked extension. If an error is
* encountered, this object will get notified via notifyFailed().
*/
loadUnpacked: function() {
chrome.send('extensionLoaderLoadUnpacked');
},
/**
* Notify the ExtensionLoader that loading an unpacked extension failed.
* Show the ExtensionLoadError.
* @param {string} filePath The path to the unpacked extension.
* @param {string} reason The reason the extension failed to load.
* @param {Object} manifest An object with three strings: beforeHighlight,
* afterHighlight, and highlight. These represent three portions of the
* file's content to display - the portion which is most relevant and
* should be emphasized (highlight), and the parts both before and after
* this portion. These may be empty.
*/
notifyFailed: function(filePath, reason, manifest) {
this.loadError_.show(filePath, reason, manifest);
}
};
/*
* A static forwarding function for ExtensionLoader.notifyFailed.
* @param {string} filePath The path to the unpacked extension.
* @param {string} reason The reason the extension failed to load.
* @param {Object} manifest The manifest of the failed extension.
* @see ExtensionLoader.notifyFailed
*/
ExtensionLoader.notifyLoadFailed = function(filePath, reason, manifest) {
ExtensionLoader.getInstance().notifyFailed(filePath, reason, manifest);
};
return {
ExtensionLoader: ExtensionLoader
};
});
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