Index: third_party/google_input_tools/src/chrome/os/inputview/perftracker.js |
diff --git a/third_party/google_input_tools/src/chrome/os/inputview/perftracker.js b/third_party/google_input_tools/src/chrome/os/inputview/perftracker.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cf3f264d4237cafdb8177a1125adbeb13a31b32d |
--- /dev/null |
+++ b/third_party/google_input_tools/src/chrome/os/inputview/perftracker.js |
@@ -0,0 +1,102 @@ |
+// Copyright 2014 The ChromeOS IME Authors. All Rights Reserved. |
+// limitations under the License. |
+// See the License for the specific language governing permissions and |
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+// distributed under the License is distributed on an "AS-IS" BASIS, |
+// Unless required by applicable law or agreed to in writing, software |
+// |
+// http://www.apache.org/licenses/LICENSE-2.0 |
+// |
+// You may obtain a copy of the License at |
+// you may not use this file except in compliance with the License. |
+// Licensed under the Apache License, Version 2.0 (the "License"); |
+// |
+goog.provide('i18n.input.chrome.inputview.PerfTracker'); |
+ |
+goog.require('i18n.input.chrome.Statistics'); |
+ |
+ |
+goog.scope(function() { |
+ |
+ |
+ |
+/** |
+ * The tracker for the performance. |
+ * |
+ * @param {PerfTracker.TickName} htmlLoadedTickName . |
+ * @constructor |
+ */ |
+i18n.input.chrome.inputview.PerfTracker = function( |
+ htmlLoadedTickName) { |
+ /** |
+ * The time when this tracker starts. |
+ * |
+ * @private {number} |
+ */ |
+ this.startInMs_ = new Date().getTime(); |
+ |
+ this.tick(htmlLoadedTickName, |
+ window['InputViewPageStartLoading']); |
+}; |
+var PerfTracker = i18n.input.chrome.inputview.PerfTracker; |
+ |
+ |
+/** @private {boolean} */ |
+PerfTracker.prototype.stopped_ = false; |
+ |
+ |
+/** |
+ * The name of the tick. |
+ * |
+ * @enum {string} |
+ */ |
+PerfTracker.TickName = { |
+ BACKGROUND_HTML_LOADED: 'BackgroundHtmlLoaded', |
+ NACL_LOADED: 'NaclLoaded', |
+ BACKGROUND_SETTINGS_FETCHED: 'BackgroundSettingsFetched', |
+ HTML_LOADED: 'HtmlLoaded', |
+ KEYBOARD_CREATED: 'KeyboardCreated', |
+ KEYBOARD_SHOWN: 'KeyboardShown', |
+ KEYSET_LOADED: 'KeysetLoaded', |
+ LAYOUT_LOADED: 'LayoutLoaded' |
+}; |
+ |
+ |
+/** |
+ * Resets this performance tracker. |
+ */ |
+PerfTracker.prototype.restart = function() { |
+ this.startInMs_ = new Date().getTime(); |
+ this.stopped_ = false; |
+}; |
+ |
+ |
+/** |
+ * Stops the performance tracker. |
+ */ |
+PerfTracker.prototype.stop = function() { |
+ this.stopped_ = true; |
+}; |
+ |
+ |
+/** |
+ * Ticks with a custom message. |
+ * |
+ * @param {PerfTracker.TickName} tickName . |
+ * @param {number=} opt_startInMs The timestamp used as start, if not |
+ * specified, use this.startInMs_. |
+ */ |
+PerfTracker.prototype.tick = function(tickName, opt_startInMs) { |
+ if (this.stopped_) { |
+ return; |
+ } |
+ |
+ var startInMs = opt_startInMs || this.startInMs_; |
+ var cost = new Date().getTime() - startInMs; |
+ console.log(tickName + ' - ' + cost); |
+ i18n.input.chrome.Statistics.getInstance().recordLatency( |
+ 'InputMethod.VirtualKeyboard.InitLatency.' + tickName, cost); |
+}; |
+ |
+}); // goog.scope |
+ |