Index: chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetMetrics.java |
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetMetrics.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetMetrics.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bd3a8c5dc150e6303c62f6366b036470de73172d |
--- /dev/null |
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetMetrics.java |
@@ -0,0 +1,62 @@ |
+// Copyright 2017 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. |
+ |
+package org.chromium.chrome.browser.widget.bottomsheet; |
+ |
+import org.chromium.base.metrics.RecordUserAction; |
+import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent; |
+ |
+/** |
+ * Records user action and histograms related to the {@link BottomSheet}. |
+ */ |
+public class BottomSheetMetrics extends EmptyBottomSheetObserver { |
+ private boolean mIsSheetOpen; |
+ private BottomSheetContent mLastContent; |
+ |
+ @Override |
+ public void onSheetOpened() { |
+ mIsSheetOpen = true; |
+ RecordUserAction.record("Android.ChromeHome.Opened"); |
+ } |
+ |
+ @Override |
+ public void onSheetClosed() { |
+ mIsSheetOpen = false; |
+ RecordUserAction.record("Android.ChromeHome.Closed"); |
+ } |
+ |
+ @Override |
+ public void onSheetStateChanged(int newState) { |
+ if (newState == BottomSheet.SHEET_STATE_HALF) { |
+ RecordUserAction.record("Android.ChromeHome.HalfState"); |
+ } else if (newState == BottomSheet.SHEET_STATE_FULL) { |
+ RecordUserAction.record("Android.ChromeHome.FullState"); |
+ } |
+ } |
+ |
+ @Override |
+ public void onSheetContentChanged(BottomSheetContent newContent) { |
+ // Return early if the sheet content is being set during initialization (previous content |
+ // is null) or while the sheet is closed (sheet content being reset), so that we only |
+ // record actions when the user explicitly takes an action. |
+ if (mLastContent == null || !mIsSheetOpen) { |
+ mLastContent = newContent; |
+ return; |
+ } |
+ |
+ if (newContent.getType() == BottomSheetContentController.TYPE_SUGGESTIONS) { |
+ RecordUserAction.record("Android.ChromeHome.ShowSuggestions"); |
+ } else if (newContent.getType() == BottomSheetContentController.TYPE_DOWNLOADS) { |
+ RecordUserAction.record("Android.ChromeHome.ShowDownloads"); |
+ } else if (newContent.getType() == BottomSheetContentController.TYPE_BOOKMARKS) { |
+ RecordUserAction.record("Android.ChromeHome.ShowBookmarks"); |
+ } else if (newContent.getType() == BottomSheetContentController.TYPE_HISTORY) { |
+ RecordUserAction.record("Android.ChromeHome.ShowHistory"); |
+ } else { |
+ assert false; |
+ } |
+ mLastContent = newContent; |
+ } |
+ |
+} |