[Android] Show document mode opt-out InfoBar on selected devices.

chrome/android/java/src/org/chromium/chrome/browser/infobar/TabbedModeOptInInfoBar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/TabbedModeOptInInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TabbedModeOptInInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TabbedModeOptInInfoBar.java
new file mode 100644
index 0000000000000000000000000000000000000000..d7bc4d4d309454c1e1a6275f6ddeb1735ec5579c
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TabbedModeOptInInfoBar.java
@@ -0,0 +1,94 @@
+// Copyright 2015 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.infobar;
+
+import android.app.Activity;
+import android.preference.PreferenceManager;
+
+import org.chromium.base.metrics.RecordUserAction;
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromeActivity;
+import org.chromium.chrome.browser.document.DocumentMigrationHelper;
+import org.chromium.chrome.browser.preferences.DocumentModeManager;
+import org.chromium.chrome.browser.util.FeatureUtilities;
+import org.chromium.components.variations.VariationsAssociatedData;
+
+/**
+ * Infobar for tabbed mode opt-in promotion. This is for the existing users on the devices that does
+ * not have a convenient system tab switcher button.
+ */
+public class TabbedModeOptInInfoBar extends ConfirmInfoBar {
+
+    private static final String PREF_USER_INTERACTED_TABBED_MODE_OPT_IN_INFOBAR =
+            "user_denied_tabbed_mode_opt_in_infobar";
+    private static final String FIELD_TRIAL_NAME = "TabbedModeOptInInfoBar";
+    private static final String FIELD_TRIAL_PARAM_ENABLED = "enabled";
+    private final Activity mActivity;
+
+    /**
+     * Show this infobar if needed. It checks
+     * 1. Whether this is an eligible device for this infobar.
+     * 2. Whether it's running document mode currently.
+     * 3. Whether user already interacted with this infobar before.
+     * 4. Whether user explicitly opted into document mode from the settings.
+     * 5. Whether this should be shown according to field trial config.
+     *
+     * @param activity Activity instance that should be associated with this infobar.
+     */
+    public static void showIfNecessary(ChromeActivity activity) {
+        if (DocumentModeManager.isDeviceTabbedModeByDefault()
+                && FeatureUtilities.isDocumentMode(activity)
+                && !PreferenceManager.getDefaultSharedPreferences(activity)
+                        .getBoolean(PREF_USER_INTERACTED_TABBED_MODE_OPT_IN_INFOBAR, false)
+                && !DocumentModeManager.getInstance(activity).isOptedInToDocumentMode()
+                && VariationsAssociatedData
+                        .getVariationParamValue(FIELD_TRIAL_NAME, FIELD_TRIAL_PARAM_ENABLED)
+                        .equals("enabled")) {
+            RecordUserAction.record("TabbdedModeOptInInfoBar_Shown");
+            activity.getActivityTab().getInfoBarContainer().addInfoBar(
+                    new TabbedModeOptInInfoBar(activity));
+        }
+    }
+
+    private TabbedModeOptInInfoBar(Activity activity) {
+        super(null, R.drawable.tabbed_mode_opt_in_infobar_icon, null,
+                activity.getString(R.string.tabbed_mode_opt_in_infobar), null,
+                activity.getString(R.string.show),
+                activity.getString(R.string.no_thanks));
+        mActivity = activity;
+    }
+
+    private void userDenied() {
+        RecordUserAction.record("TabbdedModeOptInInfoBar_UserDismissed");
+        recordUserInteraction();
+    }
+
+    private void recordUserInteraction() {
+        PreferenceManager.getDefaultSharedPreferences(mActivity).edit()
+                .putBoolean(PREF_USER_INTERACTED_TABBED_MODE_OPT_IN_INFOBAR, true);
+    }
+
+    @Override
+    public void onCloseButtonClicked() {
+        super.onCloseButtonClicked();
+        userDenied();
+    }
+
+    @Override
+    public void onButtonClicked(boolean isPrimaryButton) {
+        super.onButtonClicked(isPrimaryButton);
+        if (isPrimaryButton) {
+            RecordUserAction.record("TabbdedModeOptInInfoBar_UserOptIn");
+            recordUserInteraction();
+            DocumentModeManager mDocumentModeManager = DocumentModeManager.getInstance(mActivity);
+            mDocumentModeManager.setOptedOutState(DocumentModeManager.OPTED_OUT_OF_DOCUMENT_MODE);
+            mDocumentModeManager.setOptOutCleanUpPending(true);
+            DocumentMigrationHelper.migrateTabs(false, mActivity, true);
+        } else {
+            userDenied();
+        }
+        dismissJavaOnlyInfoBar();
+    }
+}