Use util.inherits instead of CoffeeScript's extend function
This commit is contained in:
Kevin Sawicki
parent
2b95aeba3c
commit
34030d7b2b
3 changed files with 367 additions and 434 deletions
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@ -2,70 +2,62 @@ const app = require('electron').app;
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const EventEmitter = require('events').EventEmitter;
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const url = require('url');
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const squirrelUpdate = require('./squirrel-update-win');
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const util = require('util');
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var extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
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hasProp = {}.hasOwnProperty;
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function AutoUpdater() {
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AutoUpdater.super_.call(this);
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}
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var AutoUpdater = (function(superClass) {
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extend(AutoUpdater, superClass);
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util.inherits(AutoUpdater, EventEmitter);
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function AutoUpdater() {
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return AutoUpdater.__super__.constructor.apply(this, arguments);
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AutoUpdater.prototype.quitAndInstall = function() {
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squirrelUpdate.processStart();
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return app.quit();
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};
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AutoUpdater.prototype.setFeedURL = function(updateURL) {
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return this.updateURL = updateURL;
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};
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AutoUpdater.prototype.checkForUpdates = function() {
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if (!this.updateURL) {
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return this.emitError('Update URL is not set');
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}
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AutoUpdater.prototype.quitAndInstall = function() {
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squirrelUpdate.processStart();
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return app.quit();
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};
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AutoUpdater.prototype.setFeedURL = function(updateURL) {
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return this.updateURL = updateURL;
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};
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AutoUpdater.prototype.checkForUpdates = function() {
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if (!this.updateURL) {
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return this.emitError('Update URL is not set');
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}
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if (!squirrelUpdate.supported()) {
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return this.emitError('Can not find Squirrel');
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}
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this.emit('checking-for-update');
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return squirrelUpdate.download(this.updateURL, (function(_this) {
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return function(error, update) {
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if (!squirrelUpdate.supported()) {
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return this.emitError('Can not find Squirrel');
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}
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this.emit('checking-for-update');
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return squirrelUpdate.download(this.updateURL, (function(_this) {
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return function(error, update) {
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if (error != null) {
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return _this.emitError(error);
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}
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if (update == null) {
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return _this.emit('update-not-available');
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}
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_this.emit('update-available');
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return squirrelUpdate.update(_this.updateURL, function(error) {
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var date, releaseNotes, version;
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if (error != null) {
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return _this.emitError(error);
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}
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if (update == null) {
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return _this.emit('update-not-available');
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}
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_this.emit('update-available');
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return squirrelUpdate.update(_this.updateURL, function(error) {
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var date, releaseNotes, version;
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if (error != null) {
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return _this.emitError(error);
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}
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releaseNotes = update.releaseNotes, version = update.version;
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releaseNotes = update.releaseNotes, version = update.version;
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// Following information is not available on Windows, so fake them.
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date = new Date;
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url = _this.updateURL;
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return _this.emit('update-downloaded', {}, releaseNotes, version, date, url, function() {
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return _this.quitAndInstall();
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});
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// Following information is not available on Windows, so fake them.
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date = new Date;
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url = _this.updateURL;
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return _this.emit('update-downloaded', {}, releaseNotes, version, date, url, function() {
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return _this.quitAndInstall();
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});
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};
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})(this));
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};
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});
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};
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})(this));
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};
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// Private: Emit both error object and message, this is to keep compatibility
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// with Old APIs.
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AutoUpdater.prototype.emitError = function(message) {
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return this.emit('error', new Error(message), message);
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};
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return AutoUpdater;
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})(EventEmitter);
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// Private: Emit both error object and message, this is to keep compatibility
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// with Old APIs.
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AutoUpdater.prototype.emitError = function(message) {
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return this.emit('error', new Error(message), message);
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};
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module.exports = new AutoUpdater;
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@ -1,115 +1,110 @@
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const EventEmitter = require('events').EventEmitter;
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const util = require('util');
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const v8Util = process.atomBinding('v8_util');
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var extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
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var hasProp = {}.hasOwnProperty;
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function ObjectsRegistry() {
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ObjectsRegistry.super_.call(this);
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var ObjectsRegistry = (function(superClass) {
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extend(ObjectsRegistry, superClass);
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this.setMaxListeners(Number.MAX_VALUE);
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this.nextId = 0;
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function ObjectsRegistry() {
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this.setMaxListeners(Number.MAX_VALUE);
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this.nextId = 0;
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// Stores all objects by ref-counting.
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// (id) => {object, count}
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this.storage = {};
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// Stores all objects by ref-counting.
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// (id) => {object, count}
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this.storage = {};
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// Stores the IDs of objects referenced by WebContents.
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// (webContentsId) => {(id) => (count)}
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this.owners = {};
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}
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// Stores the IDs of objects referenced by WebContents.
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// (webContentsId) => {(id) => (count)}
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this.owners = {};
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util.inherits(ObjectsRegistry, EventEmitter);
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// Register a new object, the object would be kept referenced until you release
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// it explicitly.
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ObjectsRegistry.prototype.add = function(webContentsId, obj) {
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var base, base1, id;
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id = this.saveToStorage(obj);
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// Remember the owner.
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if ((base = this.owners)[webContentsId] == null) {
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base[webContentsId] = {};
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}
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if ((base1 = this.owners[webContentsId])[id] == null) {
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base1[id] = 0;
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}
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this.owners[webContentsId][id]++;
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// Register a new object, the object would be kept referenced until you release
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// it explicitly.
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ObjectsRegistry.prototype.add = function(webContentsId, obj) {
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var base, base1, id;
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id = this.saveToStorage(obj);
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// Remember the owner.
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if ((base = this.owners)[webContentsId] == null) {
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base[webContentsId] = {};
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}
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if ((base1 = this.owners[webContentsId])[id] == null) {
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base1[id] = 0;
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}
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this.owners[webContentsId][id]++;
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// Returns object's id
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return id;
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};
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// Returns object's id
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return id;
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};
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// Get an object according to its ID.
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ObjectsRegistry.prototype.get = function(id) {
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var ref;
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return (ref = this.storage[id]) != null ? ref.object : void 0;
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};
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// Get an object according to its ID.
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ObjectsRegistry.prototype.get = function(id) {
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var ref;
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return (ref = this.storage[id]) != null ? ref.object : void 0;
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};
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// Dereference an object according to its ID.
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ObjectsRegistry.prototype.remove = function(webContentsId, id) {
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var pointer;
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this.dereference(id, 1);
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// Dereference an object according to its ID.
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ObjectsRegistry.prototype.remove = function(webContentsId, id) {
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var pointer;
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this.dereference(id, 1);
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// Also reduce the count in owner.
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pointer = this.owners[webContentsId];
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if (pointer == null) {
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return;
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}
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--pointer[id];
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if (pointer[id] === 0) {
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return delete pointer[id];
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}
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};
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// Also reduce the count in owner.
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pointer = this.owners[webContentsId];
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if (pointer == null) {
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return;
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}
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--pointer[id];
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if (pointer[id] === 0) {
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return delete pointer[id];
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}
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};
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// Clear all references to objects refrenced by the WebContents.
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ObjectsRegistry.prototype.clear = function(webContentsId) {
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var count, id, ref;
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this.emit("clear-" + webContentsId);
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if (this.owners[webContentsId] == null) {
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return;
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}
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ref = this.owners[webContentsId];
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for (id in ref) {
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count = ref[id];
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this.dereference(id, count);
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}
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return delete this.owners[webContentsId];
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};
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// Clear all references to objects refrenced by the WebContents.
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ObjectsRegistry.prototype.clear = function(webContentsId) {
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var count, id, ref;
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this.emit("clear-" + webContentsId);
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if (this.owners[webContentsId] == null) {
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return;
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}
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ref = this.owners[webContentsId];
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for (id in ref) {
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count = ref[id];
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this.dereference(id, count);
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}
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return delete this.owners[webContentsId];
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};
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// Private: Saves the object into storage and assigns an ID for it.
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ObjectsRegistry.prototype.saveToStorage = function(object) {
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var id;
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id = v8Util.getHiddenValue(object, 'atomId');
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if (!id) {
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id = ++this.nextId;
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this.storage[id] = {
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count: 0,
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object: object
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};
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v8Util.setHiddenValue(object, 'atomId', id);
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}
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++this.storage[id].count;
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return id;
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};
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// Private: Saves the object into storage and assigns an ID for it.
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ObjectsRegistry.prototype.saveToStorage = function(object) {
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var id;
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id = v8Util.getHiddenValue(object, 'atomId');
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if (!id) {
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id = ++this.nextId;
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this.storage[id] = {
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count: 0,
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object: object
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};
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v8Util.setHiddenValue(object, 'atomId', id);
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}
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++this.storage[id].count;
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return id;
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};
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// Private: Dereference the object from store.
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ObjectsRegistry.prototype.dereference = function(id, count) {
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var pointer;
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pointer = this.storage[id];
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if (pointer == null) {
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return;
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}
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pointer.count -= count;
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if (pointer.count === 0) {
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v8Util.deleteHiddenValue(pointer.object, 'atomId');
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return delete this.storage[id];
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}
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};
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return ObjectsRegistry;
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})(EventEmitter);
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// Private: Dereference the object from store.
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ObjectsRegistry.prototype.dereference = function(id, count) {
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var pointer;
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pointer = this.storage[id];
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if (pointer == null) {
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return;
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}
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pointer.count -= count;
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if (pointer.count === 0) {
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v8Util.deleteHiddenValue(pointer.object, 'atomId');
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return delete this.storage[id];
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}
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};
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module.exports = new ObjectsRegistry;
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@ -2,10 +2,7 @@ const WebViewImpl = require('./web-view');
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const guestViewInternal = require('./guest-view-internal');
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const webViewConstants = require('./web-view-constants');
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const remote = require('electron').remote;
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var extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
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var hasProp = {}.hasOwnProperty;
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var util = require('util');
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// Helper function to resolve url set in attribute.
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var a = document.createElement('a');
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@ -17,326 +14,275 @@ var resolveURL = function(url) {
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// Attribute objects.
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// Default implementation of a WebView attribute.
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var WebViewAttribute = (function() {
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function WebViewAttribute(name, webViewImpl) {
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this.name = name;
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this.value = webViewImpl.webviewNode[name] || '';
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this.webViewImpl = webViewImpl;
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this.ignoreMutation = false;
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this.defineProperty();
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}
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function WebViewAttribute(name, webViewImpl) {
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this.name = name;
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this.value = webViewImpl.webviewNode[name] || '';
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this.webViewImpl = webViewImpl;
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this.ignoreMutation = false;
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this.defineProperty();
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}
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// Retrieves and returns the attribute's value.
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WebViewAttribute.prototype.getValue = function() {
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return this.webViewImpl.webviewNode.getAttribute(this.name) || this.value;
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};
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// Retrieves and returns the attribute's value.
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WebViewAttribute.prototype.getValue = function() {
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return this.webViewImpl.webviewNode.getAttribute(this.name) || this.value;
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};
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// Sets the attribute's value.
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WebViewAttribute.prototype.setValue = function(value) {
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return this.webViewImpl.webviewNode.setAttribute(this.name, value || '');
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};
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// Sets the attribute's value.
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WebViewAttribute.prototype.setValue = function(value) {
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return this.webViewImpl.webviewNode.setAttribute(this.name, value || '');
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};
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// Changes the attribute's value without triggering its mutation handler.
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WebViewAttribute.prototype.setValueIgnoreMutation = function(value) {
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this.ignoreMutation = true;
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this.setValue(value);
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return this.ignoreMutation = false;
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};
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// Changes the attribute's value without triggering its mutation handler.
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WebViewAttribute.prototype.setValueIgnoreMutation = function(value) {
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this.ignoreMutation = true;
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this.setValue(value);
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return this.ignoreMutation = false;
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};
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// Defines this attribute as a property on the webview node.
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WebViewAttribute.prototype.defineProperty = function() {
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return Object.defineProperty(this.webViewImpl.webviewNode, this.name, {
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get: (function(_this) {
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return function() {
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return _this.getValue();
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};
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})(this),
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set: (function(_this) {
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return function(value) {
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return _this.setValue(value);
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};
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})(this),
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enumerable: true
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});
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};
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// Defines this attribute as a property on the webview node.
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WebViewAttribute.prototype.defineProperty = function() {
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return Object.defineProperty(this.webViewImpl.webviewNode, this.name, {
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get: (function(_this) {
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return function() {
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return _this.getValue();
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};
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})(this),
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set: (function(_this) {
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return function(value) {
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return _this.setValue(value);
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};
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})(this),
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enumerable: true
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});
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};
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// Called when the attribute's value changes.
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WebViewAttribute.prototype.handleMutation = function() {};
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return WebViewAttribute;
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})();
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// Called when the attribute's value changes.
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WebViewAttribute.prototype.handleMutation = function() {};
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// An attribute that is treated as a Boolean.
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var BooleanAttribute = (function(superClass) {
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extend(BooleanAttribute, superClass);
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function BooleanAttribute(name, webViewImpl) {
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BooleanAttribute.super_.call(this, name, webViewImpl)
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}
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function BooleanAttribute(name, webViewImpl) {
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BooleanAttribute.__super__.constructor.call(this, name, webViewImpl);
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util.inherits(BooleanAttribute, WebViewAttribute);
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BooleanAttribute.prototype.getValue = function() {
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return this.webViewImpl.webviewNode.hasAttribute(this.name);
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};
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BooleanAttribute.prototype.setValue = function(value) {
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if (!value) {
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return this.webViewImpl.webviewNode.removeAttribute(this.name);
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} else {
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return this.webViewImpl.webviewNode.setAttribute(this.name, '');
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}
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BooleanAttribute.prototype.getValue = function() {
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return this.webViewImpl.webviewNode.hasAttribute(this.name);
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};
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BooleanAttribute.prototype.setValue = function(value) {
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if (!value) {
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return this.webViewImpl.webviewNode.removeAttribute(this.name);
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} else {
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return this.webViewImpl.webviewNode.setAttribute(this.name, '');
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}
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};
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return BooleanAttribute;
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})(WebViewAttribute);
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};
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// Attribute that specifies whether transparency is allowed in the webview.
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var AllowTransparencyAttribute = (function(superClass) {
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extend(AllowTransparencyAttribute, superClass);
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function AllowTransparencyAttribute(webViewImpl) {
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AllowTransparencyAttribute.super_.call(this, webViewConstants.ATTRIBUTE_ALLOWTRANSPARENCY, webViewImpl);
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}
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function AllowTransparencyAttribute(webViewImpl) {
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AllowTransparencyAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_ALLOWTRANSPARENCY, webViewImpl);
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util.inherits(AllowTransparencyAttribute, BooleanAttribute);
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AllowTransparencyAttribute.prototype.handleMutation = function(oldValue, newValue) {
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if (!this.webViewImpl.guestInstanceId) {
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return;
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}
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AllowTransparencyAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
if (!this.webViewImpl.guestInstanceId) {
|
||||
return;
|
||||
}
|
||||
return guestViewInternal.setAllowTransparency(this.webViewImpl.guestInstanceId, this.getValue());
|
||||
};
|
||||
|
||||
return AllowTransparencyAttribute;
|
||||
|
||||
})(BooleanAttribute);
|
||||
return guestViewInternal.setAllowTransparency(this.webViewImpl.guestInstanceId, this.getValue());
|
||||
};
|
||||
|
||||
// Attribute used to define the demension limits of autosizing.
|
||||
var AutosizeDimensionAttribute = (function(superClass) {
|
||||
extend(AutosizeDimensionAttribute, superClass);
|
||||
function AutosizeDimensionAttribute(name, webViewImpl) {
|
||||
AutosizeDimensionAttribute.super_.call(this, name, webViewImpl);
|
||||
}
|
||||
|
||||
function AutosizeDimensionAttribute(name, webViewImpl) {
|
||||
AutosizeDimensionAttribute.__super__.constructor.call(this, name, webViewImpl);
|
||||
util.inherits(AutosizeDimensionAttribute, WebViewAttribute);
|
||||
|
||||
AutosizeDimensionAttribute.prototype.getValue = function() {
|
||||
return parseInt(this.webViewImpl.webviewNode.getAttribute(this.name)) || 0;
|
||||
};
|
||||
|
||||
AutosizeDimensionAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
if (!this.webViewImpl.guestInstanceId) {
|
||||
return;
|
||||
}
|
||||
|
||||
AutosizeDimensionAttribute.prototype.getValue = function() {
|
||||
return parseInt(this.webViewImpl.webviewNode.getAttribute(this.name)) || 0;
|
||||
};
|
||||
|
||||
AutosizeDimensionAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
if (!this.webViewImpl.guestInstanceId) {
|
||||
return;
|
||||
return guestViewInternal.setSize(this.webViewImpl.guestInstanceId, {
|
||||
enableAutoSize: this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_AUTOSIZE].getValue(),
|
||||
min: {
|
||||
width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINWIDTH].getValue() || 0),
|
||||
height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINHEIGHT].getValue() || 0)
|
||||
},
|
||||
max: {
|
||||
width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXWIDTH].getValue() || 0),
|
||||
height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXHEIGHT].getValue() || 0)
|
||||
}
|
||||
return guestViewInternal.setSize(this.webViewImpl.guestInstanceId, {
|
||||
enableAutoSize: this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_AUTOSIZE].getValue(),
|
||||
min: {
|
||||
width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINWIDTH].getValue() || 0),
|
||||
height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MINHEIGHT].getValue() || 0)
|
||||
},
|
||||
max: {
|
||||
width: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXWIDTH].getValue() || 0),
|
||||
height: parseInt(this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_MAXHEIGHT].getValue() || 0)
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
return AutosizeDimensionAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
});
|
||||
};
|
||||
|
||||
// Attribute that specifies whether the webview should be autosized.
|
||||
var AutosizeAttribute = (function(superClass) {
|
||||
extend(AutosizeAttribute, superClass);
|
||||
function AutosizeAttribute(webViewImpl) {
|
||||
AutosizeAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_AUTOSIZE, webViewImpl);
|
||||
}
|
||||
|
||||
function AutosizeAttribute(webViewImpl) {
|
||||
AutosizeAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_AUTOSIZE, webViewImpl);
|
||||
}
|
||||
util.inherits(AutosizeAttribute, BooleanAttribute);
|
||||
|
||||
AutosizeAttribute.prototype.handleMutation = AutosizeDimensionAttribute.prototype.handleMutation;
|
||||
|
||||
return AutosizeAttribute;
|
||||
|
||||
})(BooleanAttribute);
|
||||
AutosizeAttribute.prototype.handleMutation = AutosizeDimensionAttribute.prototype.handleMutation;
|
||||
|
||||
// Attribute representing the state of the storage partition.
|
||||
var PartitionAttribute = (function(superClass) {
|
||||
extend(PartitionAttribute, superClass);
|
||||
function PartitionAttribute(webViewImpl) {
|
||||
PartitionAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_PARTITION, webViewImpl);
|
||||
this.validPartitionId = true;
|
||||
}
|
||||
|
||||
function PartitionAttribute(webViewImpl) {
|
||||
PartitionAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_PARTITION, webViewImpl);
|
||||
this.validPartitionId = true;
|
||||
util.inherits(PartitionAttribute, WebViewAttribute);
|
||||
|
||||
PartitionAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
newValue = newValue || '';
|
||||
|
||||
// The partition cannot change if the webview has already navigated.
|
||||
if (!this.webViewImpl.beforeFirstNavigation) {
|
||||
window.console.error(webViewConstants.ERROR_MSG_ALREADY_NAVIGATED);
|
||||
this.setValueIgnoreMutation(oldValue);
|
||||
return;
|
||||
}
|
||||
|
||||
PartitionAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
newValue = newValue || '';
|
||||
|
||||
// The partition cannot change if the webview has already navigated.
|
||||
if (!this.webViewImpl.beforeFirstNavigation) {
|
||||
window.console.error(webViewConstants.ERROR_MSG_ALREADY_NAVIGATED);
|
||||
this.setValueIgnoreMutation(oldValue);
|
||||
return;
|
||||
}
|
||||
if (newValue === 'persist:') {
|
||||
this.validPartitionId = false;
|
||||
return window.console.error(webViewConstants.ERROR_MSG_INVALID_PARTITION_ATTRIBUTE);
|
||||
}
|
||||
};
|
||||
|
||||
return PartitionAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
if (newValue === 'persist:') {
|
||||
this.validPartitionId = false;
|
||||
return window.console.error(webViewConstants.ERROR_MSG_INVALID_PARTITION_ATTRIBUTE);
|
||||
}
|
||||
};
|
||||
|
||||
// Attribute that handles the location and navigation of the webview.
|
||||
var SrcAttribute = (function(superClass) {
|
||||
extend(SrcAttribute, superClass);
|
||||
function SrcAttribute(webViewImpl) {
|
||||
SrcAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_SRC, webViewImpl);
|
||||
this.setupMutationObserver();
|
||||
}
|
||||
|
||||
function SrcAttribute(webViewImpl) {
|
||||
SrcAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_SRC, webViewImpl);
|
||||
this.setupMutationObserver();
|
||||
util.inherits(SrcAttribute, WebViewAttribute);
|
||||
|
||||
SrcAttribute.prototype.getValue = function() {
|
||||
if (this.webViewImpl.webviewNode.hasAttribute(this.name)) {
|
||||
return resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
|
||||
} else {
|
||||
return this.value;
|
||||
}
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.setValueIgnoreMutation = function(value) {
|
||||
WebViewAttribute.prototype.setValueIgnoreMutation.call(this, value);
|
||||
|
||||
// takeRecords() is needed to clear queued up src mutations. Without it, it
|
||||
// is possible for this change to get picked up asyncronously by src's
|
||||
// mutation observer |observer|, and then get handled even though we do not
|
||||
// want to handle this mutation.
|
||||
return this.observer.takeRecords();
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
|
||||
// Once we have navigated, we don't allow clearing the src attribute.
|
||||
// Once <webview> enters a navigated state, it cannot return to a
|
||||
// placeholder state.
|
||||
if (!newValue && oldValue) {
|
||||
|
||||
// src attribute changes normally initiate a navigation. We suppress
|
||||
// the next src attribute handler call to avoid reloading the page
|
||||
// on every guest-initiated navigation.
|
||||
this.setValueIgnoreMutation(oldValue);
|
||||
return;
|
||||
}
|
||||
return this.parse();
|
||||
};
|
||||
|
||||
// The purpose of this mutation observer is to catch assignment to the src
|
||||
// attribute without any changes to its value. This is useful in the case
|
||||
// where the webview guest has crashed and navigating to the same address
|
||||
// spawns off a new process.
|
||||
SrcAttribute.prototype.setupMutationObserver = function() {
|
||||
var params;
|
||||
this.observer = new MutationObserver((function(_this) {
|
||||
return function(mutations) {
|
||||
var i, len, mutation, newValue, oldValue;
|
||||
for (i = 0, len = mutations.length; i < len; i++) {
|
||||
mutation = mutations[i];
|
||||
oldValue = mutation.oldValue;
|
||||
newValue = _this.getValue();
|
||||
if (oldValue !== newValue) {
|
||||
return;
|
||||
}
|
||||
_this.handleMutation(oldValue, newValue);
|
||||
}
|
||||
};
|
||||
})(this));
|
||||
params = {
|
||||
attributes: true,
|
||||
attributeOldValue: true,
|
||||
attributeFilter: [this.name]
|
||||
};
|
||||
return this.observer.observe(this.webViewImpl.webviewNode, params);
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.parse = function() {
|
||||
var guestContents, httpreferrer, opts, useragent;
|
||||
if (!this.webViewImpl.elementAttached || !this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_PARTITION].validPartitionId || !this.getValue()) {
|
||||
return;
|
||||
}
|
||||
if (this.webViewImpl.guestInstanceId == null) {
|
||||
if (this.webViewImpl.beforeFirstNavigation) {
|
||||
this.webViewImpl.beforeFirstNavigation = false;
|
||||
this.webViewImpl.createGuest();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
SrcAttribute.prototype.getValue = function() {
|
||||
if (this.webViewImpl.webviewNode.hasAttribute(this.name)) {
|
||||
return resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
|
||||
} else {
|
||||
return this.value;
|
||||
}
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.setValueIgnoreMutation = function(value) {
|
||||
WebViewAttribute.prototype.setValueIgnoreMutation.call(this, value);
|
||||
|
||||
// takeRecords() is needed to clear queued up src mutations. Without it, it
|
||||
// is possible for this change to get picked up asyncronously by src's
|
||||
// mutation observer |observer|, and then get handled even though we do not
|
||||
// want to handle this mutation.
|
||||
return this.observer.takeRecords();
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.handleMutation = function(oldValue, newValue) {
|
||||
|
||||
// Once we have navigated, we don't allow clearing the src attribute.
|
||||
// Once <webview> enters a navigated state, it cannot return to a
|
||||
// placeholder state.
|
||||
if (!newValue && oldValue) {
|
||||
|
||||
// src attribute changes normally initiate a navigation. We suppress
|
||||
// the next src attribute handler call to avoid reloading the page
|
||||
// on every guest-initiated navigation.
|
||||
this.setValueIgnoreMutation(oldValue);
|
||||
return;
|
||||
}
|
||||
return this.parse();
|
||||
};
|
||||
|
||||
|
||||
// The purpose of this mutation observer is to catch assignment to the src
|
||||
// attribute without any changes to its value. This is useful in the case
|
||||
// where the webview guest has crashed and navigating to the same address
|
||||
// spawns off a new process.
|
||||
SrcAttribute.prototype.setupMutationObserver = function() {
|
||||
var params;
|
||||
this.observer = new MutationObserver((function(_this) {
|
||||
return function(mutations) {
|
||||
var i, len, mutation, newValue, oldValue;
|
||||
for (i = 0, len = mutations.length; i < len; i++) {
|
||||
mutation = mutations[i];
|
||||
oldValue = mutation.oldValue;
|
||||
newValue = _this.getValue();
|
||||
if (oldValue !== newValue) {
|
||||
return;
|
||||
}
|
||||
_this.handleMutation(oldValue, newValue);
|
||||
}
|
||||
};
|
||||
})(this));
|
||||
params = {
|
||||
attributes: true,
|
||||
attributeOldValue: true,
|
||||
attributeFilter: [this.name]
|
||||
};
|
||||
return this.observer.observe(this.webViewImpl.webviewNode, params);
|
||||
};
|
||||
|
||||
SrcAttribute.prototype.parse = function() {
|
||||
var guestContents, httpreferrer, opts, useragent;
|
||||
if (!this.webViewImpl.elementAttached || !this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_PARTITION].validPartitionId || !this.getValue()) {
|
||||
return;
|
||||
}
|
||||
if (this.webViewImpl.guestInstanceId == null) {
|
||||
if (this.webViewImpl.beforeFirstNavigation) {
|
||||
this.webViewImpl.beforeFirstNavigation = false;
|
||||
this.webViewImpl.createGuest();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// Navigate to |this.src|.
|
||||
opts = {};
|
||||
httpreferrer = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_HTTPREFERRER].getValue();
|
||||
if (httpreferrer) {
|
||||
opts.httpReferrer = httpreferrer;
|
||||
}
|
||||
useragent = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_USERAGENT].getValue();
|
||||
if (useragent) {
|
||||
opts.userAgent = useragent;
|
||||
}
|
||||
guestContents = remote.getGuestWebContents(this.webViewImpl.guestInstanceId);
|
||||
return guestContents.loadURL(this.getValue(), opts);
|
||||
};
|
||||
|
||||
return SrcAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
// Navigate to |this.src|.
|
||||
opts = {};
|
||||
httpreferrer = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_HTTPREFERRER].getValue();
|
||||
if (httpreferrer) {
|
||||
opts.httpReferrer = httpreferrer;
|
||||
}
|
||||
useragent = this.webViewImpl.attributes[webViewConstants.ATTRIBUTE_USERAGENT].getValue();
|
||||
if (useragent) {
|
||||
opts.userAgent = useragent;
|
||||
}
|
||||
guestContents = remote.getGuestWebContents(this.webViewImpl.guestInstanceId);
|
||||
return guestContents.loadURL(this.getValue(), opts);
|
||||
};
|
||||
|
||||
// Attribute specifies HTTP referrer.
|
||||
var HttpReferrerAttribute = (function(superClass) {
|
||||
extend(HttpReferrerAttribute, superClass);
|
||||
function HttpReferrerAttribute(webViewImpl) {
|
||||
HttpReferrerAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_HTTPREFERRER, webViewImpl);
|
||||
}
|
||||
|
||||
function HttpReferrerAttribute(webViewImpl) {
|
||||
HttpReferrerAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_HTTPREFERRER, webViewImpl);
|
||||
}
|
||||
|
||||
return HttpReferrerAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
util.inherits(HttpReferrerAttribute, WebViewAttribute);
|
||||
|
||||
// Attribute specifies user agent
|
||||
var UserAgentAttribute = (function(superClass) {
|
||||
extend(UserAgentAttribute, superClass);
|
||||
function UserAgentAttribute(webViewImpl) {
|
||||
UserAgentAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_USERAGENT, webViewImpl);
|
||||
}
|
||||
|
||||
function UserAgentAttribute(webViewImpl) {
|
||||
UserAgentAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_USERAGENT, webViewImpl);
|
||||
}
|
||||
|
||||
return UserAgentAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
util.inherits(UserAgentAttribute, WebViewAttribute);
|
||||
|
||||
// Attribute that set preload script.
|
||||
var PreloadAttribute = (function(superClass) {
|
||||
extend(PreloadAttribute, superClass);
|
||||
function PreloadAttribute(webViewImpl) {
|
||||
PreloadAttribute.super_.constructor.call(this, webViewConstants.ATTRIBUTE_PRELOAD, webViewImpl);
|
||||
}
|
||||
|
||||
function PreloadAttribute(webViewImpl) {
|
||||
PreloadAttribute.__super__.constructor.call(this, webViewConstants.ATTRIBUTE_PRELOAD, webViewImpl);
|
||||
util.inherits(PreloadAttribute, WebViewAttribute);
|
||||
|
||||
PreloadAttribute.prototype.getValue = function() {
|
||||
var preload, protocol;
|
||||
if (!this.webViewImpl.webviewNode.hasAttribute(this.name)) {
|
||||
return this.value;
|
||||
}
|
||||
|
||||
PreloadAttribute.prototype.getValue = function() {
|
||||
var preload, protocol;
|
||||
if (!this.webViewImpl.webviewNode.hasAttribute(this.name)) {
|
||||
return this.value;
|
||||
}
|
||||
preload = resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
|
||||
protocol = preload.substr(0, 5);
|
||||
if (protocol !== 'file:') {
|
||||
console.error(webViewConstants.ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE);
|
||||
preload = '';
|
||||
}
|
||||
return preload;
|
||||
};
|
||||
|
||||
return PreloadAttribute;
|
||||
|
||||
})(WebViewAttribute);
|
||||
preload = resolveURL(this.webViewImpl.webviewNode.getAttribute(this.name));
|
||||
protocol = preload.substr(0, 5);
|
||||
if (protocol !== 'file:') {
|
||||
console.error(webViewConstants.ERROR_MSG_INVALID_PRELOAD_ATTRIBUTE);
|
||||
preload = '';
|
||||
}
|
||||
return preload;
|
||||
};
|
||||
|
||||
// Sets up all of the webview attributes.
|
||||
WebViewImpl.prototype.setupWebViewAttributes = function() {
|
||||
|
|
|
|||
Loading…
Reference in a new issue