1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 * Dictionary of constants (Initialized soon after loading by data from browser,
7 * updated on load log). The *Types dictionaries map strings to numeric IDs,
8 * while the *TypeNames are the other way around.
11 var EventTypeNames = null;
12 var EventPhase = null;
13 var EventSourceType = null;
14 var EventSourceTypeNames = null;
15 var ClientInfo = null;
18 var QuicRstStreamError = null;
20 var CertStatusFlag = null;
22 var AddressFamily = null;
23 var SdchProblemCode = null;
24 var DataReductionProxyBypassEventType = null;
27 * Dictionary of all constants, used for saving log files.
32 * Object to communicate between the renderer and the browser.
33 * @type {!BrowserBridge}
38 * This class is the root view object of the page. It owns all the other
39 * views, and manages switching between them. It is also responsible for
40 * initializing the views and the BrowserBridge.
42 var MainView = (function() {
45 // We inherit from WindowView
46 var superClass = WindowView;
49 * Main entry point. Called once the page has loaded.
53 assertFirstConstructorCall(MainView);
56 document.body.classList.add('touch');
58 // This must be initialized before the tabs, so they can register as
60 g_browser = BrowserBridge.getInstance();
62 // This must be the first constants observer, so other constants observers
63 // can safely use the globals, rather than depending on walking through
64 // the constants themselves.
65 g_browser.addConstantsObserver(new ConstantsObserver());
67 // Create the tab switcher.
70 // Cut out a small vertical strip at the top of the window, to display
71 // a high level status (i.e. if we are capturing events, or displaying a
72 // log file). Below it we will position the main tabs and their content
74 this.topBarView_ = TopBarView.getInstance(this);
75 var verticalSplitView = new VerticalSplitView(
76 this.topBarView_, this.tabSwitcher_);
78 superClass.call(this, verticalSplitView);
80 // Trigger initial layout.
83 window.onhashchange = this.onUrlHashChange_.bind(this);
85 // Select the initial view based on the current URL.
86 window.onhashchange();
88 // Tell the browser that we are ready to start receiving log events.
89 this.topBarView_.switchToSubView('capture');
90 g_browser.sendReady();
93 cr.addSingletonGetter(MainView);
95 // Tracks if we're viewing a loaded log file, so views can behave
96 // appropriately. Global so safe to call during construction.
97 var isViewingLoadedLog = false;
99 MainView.isViewingLoadedLog = function() {
100 return isViewingLoadedLog;
103 MainView.prototype = {
104 // Inherit the superclass's methods.
105 __proto__: superClass.prototype,
107 // This is exposed both so the log import/export code can enumerate all the
108 // tabs, and for testing.
109 tabSwitcher: function() {
110 return this.tabSwitcher_;
114 * Prevents receiving/sending events to/from the browser, so loaded data
115 * will not be mixed with current Chrome state. Also hides any interactive
116 * HTML elements that send messages to the browser. Cannot be undone
117 * without reloading the page. Must be called before passing loaded data
118 * to the individual views.
120 * @param {string} opt_fileName The name of the log file that has been
121 * loaded, if we're loading a log file.
123 onLoadLog: function(opt_fileName) {
124 isViewingLoadedLog = true;
126 this.stopCapturing();
127 if (opt_fileName != undefined) {
128 // If there's a file name, a log file was loaded, so swap out the status
129 // bar to indicate we're no longer capturing events. Also disable
130 // hiding cookies, so if the log dump has them, they'll be displayed.
131 this.topBarView_.switchToSubView('loaded').setFileName(opt_fileName);
132 $(ExportView.PRIVACY_STRIPPING_CHECKBOX_ID).checked = false;
133 SourceTracker.getInstance().setPrivacyStripping(false);
135 // Otherwise, the "Stop Capturing" button was presumably pressed.
136 // Don't disable hiding cookies, so created log dumps won't have them,
137 // unless the user toggles the option.
138 this.topBarView_.switchToSubView('halted');
142 switchToViewOnlyMode: function() {
143 // Since this won't be dumped to a file, we don't want to remove
144 // cookies and credentials.
145 log_util.createLogDumpAsync('', log_util.loadLogFile, false);
148 stopCapturing: function() {
150 document.styleSheets[0].insertRule(
151 '.hide-when-not-capturing { display: none; }', 0);
154 initTabs_: function() {
155 this.tabIdToHash_ = {};
156 this.hashToTabId_ = {};
158 this.tabSwitcher_ = new TabSwitcherView(
159 $(TopBarView.TAB_DROPDOWN_MENU_ID),
160 this.onTabSwitched_.bind(this));
162 // Helper function to add a tab given the class for a view singleton.
163 var addTab = function(viewClass) {
164 var tabId = viewClass.TAB_ID;
165 var tabHash = viewClass.TAB_HASH;
166 var tabName = viewClass.TAB_NAME;
167 var view = viewClass.getInstance();
169 if (!tabId || !view || !tabHash || !tabName) {
170 throw Error('Invalid view class for tab');
173 if (tabHash.charAt(0) != '#') {
174 throw Error('Tab hashes must start with a #');
177 this.tabSwitcher_.addTab(tabId, view, tabName);
178 this.tabIdToHash_[tabId] = tabHash;
179 this.hashToTabId_[tabHash] = tabId;
182 // Populate the main tabs. Even tabs that don't contain information for
183 // the running OS should be created, so they can load log dumps from other
190 addTab(WaterfallView);
191 addTab(TimelineView);
197 addTab(HttpCacheView);
200 addTab(BandwidthView);
201 addTab(PrerenderView);
204 this.tabSwitcher_.showMenuItem(CrosView.TAB_ID, cr.isChromeOS);
208 * This function is called by the tab switcher when the current tab has been
209 * changed. It will update the current URL to reflect the new active tab,
210 * so the back can be used to return to previous view.
212 onTabSwitched_: function(oldTabId, newTabId) {
213 // Update data needed by newly active tab, as it may be
214 // significantly out of date.
216 g_browser.checkForUpdatedInfo();
218 // Change the URL to match the new tab.
220 var newTabHash = this.tabIdToHash_[newTabId];
221 var parsed = parseUrlHash_(window.location.hash);
222 if (parsed.tabHash != newTabHash) {
223 window.location.hash = newTabHash;
227 onUrlHashChange_: function() {
228 var parsed = parseUrlHash_(window.location.hash);
233 if (!parsed.tabHash) {
234 // Default to the export tab.
235 parsed.tabHash = ExportView.TAB_HASH;
238 var tabId = this.hashToTabId_[parsed.tabHash];
241 this.tabSwitcher_.switchToTab(tabId);
242 if (parsed.parameters) {
243 var view = this.tabSwitcher_.getTabView(tabId);
244 view.setParameters(parsed.parameters);
252 * Takes the current hash in form of "#tab¶m1=value1¶m2=value2&..."
253 * and parses it into a dictionary.
255 * Parameters and values are decoded with decodeURIComponent().
257 function parseUrlHash_(hash) {
258 var parameters = hash.split('&');
260 var tabHash = parameters[0];
261 if (tabHash == '' || tabHash == '#') {
265 // Split each string except the first around the '='.
266 var paramDict = null;
267 for (var i = 1; i < parameters.length; i++) {
268 var paramStrings = parameters[i].split('=');
269 if (paramStrings.length != 2)
271 if (paramDict == null)
273 var key = decodeURIComponent(paramStrings[0]);
274 var value = decodeURIComponent(paramStrings[1]);
275 paramDict[key] = value;
278 return {tabHash: tabHash, parameters: paramDict};
284 function ConstantsObserver() {}
287 * Loads all constants from |constants|. On failure, global dictionaries are
289 * @param {Object} receivedConstants The map of received constants.
291 ConstantsObserver.prototype.onReceivedConstants = function(receivedConstants) {
292 if (!areValidConstants(receivedConstants))
295 Constants = receivedConstants;
297 EventType = Constants.logEventTypes;
298 EventTypeNames = makeInverseMap(EventType);
299 EventPhase = Constants.logEventPhase;
300 EventSourceType = Constants.logSourceType;
301 EventSourceTypeNames = makeInverseMap(EventSourceType);
302 ClientInfo = Constants.clientInfo;
303 LoadFlag = Constants.loadFlag;
304 NetError = Constants.netError;
305 QuicError = Constants.quicError;
306 QuicRstStreamError = Constants.quicRstStreamError;
307 AddressFamily = Constants.addressFamily;
308 LoadState = Constants.loadState;
309 SdchProblemCode = Constants.sdchProblemCode;
310 DataReductionProxyBypassEventType =
311 Constants.dataReductionProxyBypassEventType;
312 DataReductionProxyBypassActionType =
313 Constants.dataReductionProxyBypassActionType;
314 // certStatusFlag may not be present when loading old log Files
315 if (typeof(Constants.certStatusFlag) == 'object')
316 CertStatusFlag = Constants.certStatusFlag;
320 timeutil.setTimeTickOffset(Constants.timeTickOffset);
324 * Returns true if it's given a valid-looking constants object.
325 * @param {Object} receivedConstants The received map of constants.
326 * @return {boolean} True if the |receivedConstants| object appears valid.
328 function areValidConstants(receivedConstants) {
329 return typeof(receivedConstants) == 'object' &&
330 typeof(receivedConstants.logEventTypes) == 'object' &&
331 typeof(receivedConstants.clientInfo) == 'object' &&
332 typeof(receivedConstants.logEventPhase) == 'object' &&
333 typeof(receivedConstants.logSourceType) == 'object' &&
334 typeof(receivedConstants.loadFlag) == 'object' &&
335 typeof(receivedConstants.netError) == 'object' &&
336 typeof(receivedConstants.addressFamily) == 'object' &&
337 typeof(receivedConstants.timeTickOffset) == 'string' &&
338 typeof(receivedConstants.logFormatVersion) == 'number';
342 * Returns the name for netError.
344 * Example: netErrorToString(-105) should return
345 * "ERR_NAME_NOT_RESOLVED".
346 * @param {number} netError The net error code.
347 * @return {string} The name of the given error.
349 function netErrorToString(netError) {
350 return getKeyWithValue(NetError, netError);
354 * Returns the name for quicError.
356 * Example: quicErrorToString(25) should return
358 * @param {number} quicError The QUIC error code.
359 * @return {string} The name of the given error.
361 function quicErrorToString(quicError) {
362 return getKeyWithValue(QuicError, quicError);
366 * Returns the name for quicRstStreamError.
368 * Example: quicRstStreamErrorToString(3) should return
369 * "BAD_APPLICATION_PAYLOAD".
370 * @param {number} quicRstStreamError The QUIC RST_STREAM error code.
371 * @return {string} The name of the given error.
373 function quicRstStreamErrorToString(quicRstStreamError) {
374 return getKeyWithValue(QuicRstStreamError, quicRstStreamError);
378 * Returns a string representation of |family|.
379 * @param {number} family An AddressFamily
380 * @return {string} A representation of the given family.
382 function addressFamilyToString(family) {
383 var str = getKeyWithValue(AddressFamily, family);
384 // All the address family start with ADDRESS_FAMILY_*.
385 // Strip that prefix since it is redundant and only clutters the output.
386 return str.replace(/^ADDRESS_FAMILY_/, '');
390 * Returns the name for sdchProblemCode.
392 * Example: sdchProblemCodeToString(5) should return
393 * "DECODE_BODY_ERROR".
394 * @param {number} sdchProblemCode The SDCH problem code.
395 * @return {string} The name of the given problem code.
397 function sdchProblemCodeToString(sdchProblemCode) {
398 return getKeyWithValue(SdchProblemCode, sdchProblemCode);