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

chrome/browser/ui/android/infobars/tabbed_mode_opt_in_infobar_delegate.cc

+// 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.
+
+#include "chrome/browser/ui/android/infobars/tabbed_mode_opt_in_infobar_delegate.h"
+
+#include "base/metrics/sparse_histogram.h"
+#include "chrome/browser/android/android_theme_resources.h"
+#include "chrome/browser/android/tab_android.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/infobars/core/infobar.h"
+#include "jni/TabbedModeOptInInfoBarDelegate_jni.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+// Keep in sync with the values defined in histograms.xml.
+enum InfoBarEvent {
+  SHOWN = 0,
+  ACCEPTED,
+  DENIED,
+  DISMISSED
+};
+
+}  // namespace
+
+// static
+jlong ShowTabbedModeOptInInfoBar(JNIEnv* env,
+                                 const JavaParamRef<jobject>& jcaller,
+                                 const JavaParamRef<jobject>& tab) {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("TabbedModeOptInInfoBar", InfoBarEvent::SHOWN);
+
+  TabbedModeOptInInfoBarDelegate* delegate = new TabbedModeOptInInfoBarDelegate(
+      env, jcaller);
+  InfoBarService* infobar_service = InfoBarService::FromWebContents(
+      TabAndroid::GetNativeTab(env, tab)->web_contents());
+  infobar_service->AddInfoBar(
+      infobar_service->CreateConfirmInfoBar(make_scoped_ptr(delegate)));
+  return reinterpret_cast<intptr_t>(delegate);
+}
+
+// static
+bool TabbedModeOptInInfoBarDelegate::RegisterTabbedModeOptInInfoBarDelegate(
+    JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+TabbedModeOptInInfoBarDelegate::TabbedModeOptInInfoBarDelegate(JNIEnv* env,
+                                                               jobject obj)
+    : ConfirmInfoBarDelegate() {
+  j_delegate_.Reset(env, obj);
+}
+
+TabbedModeOptInInfoBarDelegate::~TabbedModeOptInInfoBarDelegate() {
+}
+
+int TabbedModeOptInInfoBarDelegate::GetIconId() const {
+  return IDR_ANDROID_INFOBAR_TABBED_MODE_OPT_IN;
+}
+
+bool TabbedModeOptInInfoBarDelegate::ShouldExpire(
+    const NavigationDetails& details) const {
+  return false;
+}
+
+void TabbedModeOptInInfoBarDelegate::InfoBarDismissed() {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("TabbedModeOptInInfoBar",
+                              InfoBarEvent::DISMISSED);
+}
+
+base::string16 TabbedModeOptInInfoBarDelegate::GetMessageText() const {
+  return l10n_util::GetStringUTF16(IDS_TABBED_MODE_OPT_IN_INFOBAR_TEXT);
+}
+
+int TabbedModeOptInInfoBarDelegate::GetButtons() const {
+  return BUTTON_OK | BUTTON_CANCEL;
+}
+
+base::string16 TabbedModeOptInInfoBarDelegate::GetButtonLabel(
+    InfoBarButton button) const {
+  DCHECK(button == BUTTON_OK || button == BUTTON_CANCEL);
+  return l10n_util::GetStringUTF16(
+      button == BUTTON_OK ? IDS_SHOW : IDS_NO_THANKS);
+}
+
+bool TabbedModeOptInInfoBarDelegate::Accept() {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("TabbedModeOptInInfoBar", InfoBarEvent::ACCEPTED);
+  Java_TabbedModeOptInInfoBarDelegate_accept(
+      base::android::AttachCurrentThread(), j_delegate_.obj());
+
+  // Chrome is restarting in tabbed mode so we don't need to close.
+  // The visual difference is that, if we return true here, InfoBar starts to
+  // slide down and Chrome is restarted before the sliding is finished.
+  return false;
+}
+
+bool TabbedModeOptInInfoBarDelegate::Cancel() {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("TabbedModeOptInInfoBar", InfoBarEvent::DENIED);
+  Java_TabbedModeOptInInfoBarDelegate_cancel(
+      base::android::AttachCurrentThread(), j_delegate_.obj());
+  return true;
+}