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1 /* This Source Code Form is subject to the terms of the Mozilla Public |
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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4 'use strict'; |
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5 |
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6 const { Cc, Ci } = require('chrome'); |
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7 const { Class } = require('../core/heritage'); |
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8 const { tabNS, rawTabNS } = require('./namespace'); |
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9 const { EventTarget } = require('../event/target'); |
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10 const { activateTab, getTabTitle, setTabTitle, closeTab, getTabURL, getTabContentWindow, |
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11 getTabForBrowser, |
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12 setTabURL, getOwnerWindow, getTabContentType, getTabId } = require('./utils'); |
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13 const { emit } = require('../event/core'); |
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14 const { getOwnerWindow: getPBOwnerWindow } = require('../private-browsing/window/utils'); |
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15 const { when: unload } = require('../system/unload'); |
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16 const { viewFor } = require('../view/core'); |
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17 const { EVENTS } = require('./events'); |
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18 |
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19 const ERR_FENNEC_MSG = 'This method is not yet supported by Fennec'; |
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20 |
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21 const Tab = Class({ |
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22 extends: EventTarget, |
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23 initialize: function initialize(options) { |
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24 options = options.tab ? options : { tab: options }; |
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25 let tab = options.tab; |
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26 |
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27 EventTarget.prototype.initialize.call(this, options); |
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28 let tabInternals = tabNS(this); |
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29 rawTabNS(tab).tab = this; |
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30 |
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31 let window = tabInternals.window = options.window || getOwnerWindow(tab); |
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32 tabInternals.tab = tab; |
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33 |
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34 // TabReady |
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35 let onReady = tabInternals.onReady = onTabReady.bind(this); |
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36 tab.browser.addEventListener(EVENTS.ready.dom, onReady, false); |
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37 |
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38 // TabPageShow |
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39 let onPageShow = tabInternals.onPageShow = onTabPageShow.bind(this); |
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40 tab.browser.addEventListener(EVENTS.pageshow.dom, onPageShow, false); |
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41 |
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42 // TabLoad |
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43 let onLoad = tabInternals.onLoad = onTabLoad.bind(this); |
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44 tab.browser.addEventListener(EVENTS.load.dom, onLoad, true); |
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45 |
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46 // TabClose |
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47 let onClose = tabInternals.onClose = onTabClose.bind(this); |
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48 window.BrowserApp.deck.addEventListener(EVENTS.close.dom, onClose, false); |
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49 |
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50 unload(cleanupTab.bind(null, this)); |
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51 }, |
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52 |
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53 /** |
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54 * The title of the page currently loaded in the tab. |
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55 * Changing this property changes an actual title. |
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56 * @type {String} |
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57 */ |
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58 get title() getTabTitle(tabNS(this).tab), |
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59 set title(title) setTabTitle(tabNS(this).tab, title), |
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60 |
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61 /** |
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62 * Location of the page currently loaded in this tab. |
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63 * Changing this property will loads page under under the specified location. |
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64 * @type {String} |
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65 */ |
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66 get url() { |
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67 return tabNS(this).closed ? undefined : getTabURL(tabNS(this).tab); |
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68 }, |
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69 set url(url) setTabURL(tabNS(this).tab, url), |
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70 |
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71 /** |
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72 * URI of the favicon for the page currently loaded in this tab. |
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73 * @type {String} |
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74 */ |
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75 get favicon() { |
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76 /* |
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77 * Synchronous favicon services were never supported on Fennec, |
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78 * and as of FF22, are now deprecated. When/if favicon services |
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79 * are supported for Fennec, this getter should reference |
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80 * `require('sdk/places/favicon').getFavicon` |
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81 */ |
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82 console.error( |
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83 'tab.favicon is deprecated, and currently ' + |
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84 'favicon helpers are not yet supported by Fennec' |
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85 ); |
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86 |
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87 // return 16x16 blank default |
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88 return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAEklEQVQ4jWNgGAWjYBSMAggAAAQQAAF/TXiOAAAAAElFTkSuQmCC'; |
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89 }, |
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90 |
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91 getThumbnail: function() { |
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92 // TODO: implement! |
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93 console.error(ERR_FENNEC_MSG); |
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94 |
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95 // return 80x45 blank default |
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96 return 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFAAAAAtCAYAAAA5reyyAAAAJElEQVRoge3BAQEAAACCIP+vbkhAAQAAAAAAAAAAAAAAAADXBjhtAAGQ0AF/AAAAAElFTkSuQmCC'; |
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97 }, |
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98 |
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99 get id() { |
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100 return getTabId(tabNS(this).tab); |
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101 }, |
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102 |
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103 /** |
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104 * The index of the tab relative to other tabs in the application window. |
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105 * Changing this property will change order of the actual position of the tab. |
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106 * @type {Number} |
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107 */ |
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108 get index() { |
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109 if (tabNS(this).closed) return undefined; |
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110 |
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111 let tabs = tabNS(this).window.BrowserApp.tabs; |
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112 let tab = tabNS(this).tab; |
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113 for (var i = tabs.length; i >= 0; i--) { |
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114 if (tabs[i] === tab) |
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115 return i; |
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116 } |
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117 return null; |
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118 }, |
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119 set index(value) { |
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120 console.error(ERR_FENNEC_MSG); // TODO |
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121 }, |
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122 |
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123 /** |
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124 * Whether or not tab is pinned (Is an app-tab). |
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125 * @type {Boolean} |
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126 */ |
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127 get isPinned() { |
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128 console.error(ERR_FENNEC_MSG); // TODO |
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129 return false; // TODO |
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130 }, |
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131 pin: function pin() { |
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132 console.error(ERR_FENNEC_MSG); // TODO |
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133 }, |
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134 unpin: function unpin() { |
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135 console.error(ERR_FENNEC_MSG); // TODO |
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136 }, |
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137 |
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138 /** |
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139 * Returns the MIME type that the document loaded in the tab is being |
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140 * rendered as. |
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141 * @type {String} |
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142 */ |
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143 get contentType() getTabContentType(tabNS(this).tab), |
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144 |
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145 /** |
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146 * Create a worker for this tab, first argument is options given to Worker. |
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147 * @type {Worker} |
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148 */ |
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149 attach: function attach(options) { |
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150 // BUG 792946 https://bugzilla.mozilla.org/show_bug.cgi?id=792946 |
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151 // TODO: fix this circular dependency |
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152 let { Worker } = require('./worker'); |
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153 return Worker(options, getTabContentWindow(tabNS(this).tab)); |
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154 }, |
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155 |
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156 /** |
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157 * Make this tab active. |
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158 */ |
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159 activate: function activate() { |
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160 activateTab(tabNS(this).tab, tabNS(this).window); |
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161 }, |
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162 |
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163 /** |
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164 * Close the tab |
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165 */ |
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166 close: function close(callback) { |
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167 let tab = this; |
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168 this.once(EVENTS.close.name, function () { |
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169 tabNS(tab).closed = true; |
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170 if (callback) callback(); |
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171 }); |
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172 |
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173 closeTab(tabNS(this).tab); |
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174 }, |
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175 |
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176 /** |
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177 * Reload the tab |
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178 */ |
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179 reload: function reload() { |
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180 tabNS(this).tab.browser.reload(); |
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181 } |
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182 }); |
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183 exports.Tab = Tab; |
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184 |
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185 // Implement `viewFor` polymorphic function for the Tab |
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186 // instances. |
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187 viewFor.define(Tab, x => tabNS(x).tab); |
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188 |
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189 function cleanupTab(tab) { |
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190 let tabInternals = tabNS(tab); |
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191 if (!tabInternals.tab) |
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192 return; |
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193 |
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194 if (tabInternals.tab.browser) { |
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195 tabInternals.tab.browser.removeEventListener(EVENTS.ready.dom, tabInternals.onReady, false); |
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196 tabInternals.tab.browser.removeEventListener(EVENTS.pageshow.dom, tabInternals.onPageShow, false); |
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197 tabInternals.tab.browser.removeEventListener(EVENTS.load.dom, tabInternals.onLoad, true); |
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198 } |
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199 tabInternals.onReady = null; |
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200 tabInternals.onPageShow = null; |
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201 tabInternals.onLoad = null; |
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202 tabInternals.window.BrowserApp.deck.removeEventListener(EVENTS.close.dom, tabInternals.onClose, false); |
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203 tabInternals.onClose = null; |
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204 rawTabNS(tabInternals.tab).tab = null; |
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205 tabInternals.tab = null; |
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206 tabInternals.window = null; |
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207 } |
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208 |
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209 function onTabReady(event) { |
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210 let win = event.target.defaultView; |
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211 |
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212 // ignore frames |
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213 if (win === win.top) { |
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214 emit(this, 'ready', this); |
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215 } |
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216 } |
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217 |
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218 function onTabLoad (event) { |
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219 let win = event.target.defaultView; |
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220 |
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221 // ignore frames |
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222 if (win === win.top) { |
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223 emit(this, 'load', this); |
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224 } |
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225 } |
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226 |
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227 function onTabPageShow(event) { |
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228 let win = event.target.defaultView; |
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229 if (win === win.top) |
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230 emit(this, 'pageshow', this, event.persisted); |
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231 } |
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232 |
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233 // TabClose |
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234 function onTabClose(event) { |
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235 let rawTab = getTabForBrowser(event.target); |
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236 if (tabNS(this).tab !== rawTab) |
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237 return; |
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238 |
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239 emit(this, EVENTS.close.name, this); |
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240 cleanupTab(this); |
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241 }; |
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242 |
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243 getPBOwnerWindow.define(Tab, function(tab) { |
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244 return getTabContentWindow(tabNS(tab).tab); |
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245 }); |