Implement the Windows desktop search redirection feature.

components/search_engines/desktop_search_redirection_infobar_delegate.cc

+// Copyright 2016 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 "components/search_engines/desktop_search_redirection_infobar_delegate.h"
+
+#include <vector>
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/metrics/histogram_macros.h"
+#include "base/metrics/user_metrics.h"
+#include "base/prefs/pref_service.h"
+#include "components/infobars/core/infobar.h"
+#include "components/infobars/core/infobar_delegate.h"
+#include "components/infobars/core/infobar_manager.h"
+#include "components/search_engines/desktop_search_utils.h"
+#include "grit/components_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/window_open_disposition.h"
+
+namespace {
+
+// Values for the Search.DesktopSearch.RedirectionInfobarCloseAction histogram.
+enum DesktopSearchRedirectionInfobarCloseAction {
+  DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_MANAGE_SEARCH_SETTINGS = 0,
+  DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_DISMISS = 1,
+  DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_IGNORE = 2,
+  DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_MAX
+};
+
+void RecordDesktopSearchInfobarCloseActionHistogram(
+    DesktopSearchRedirectionInfobarCloseAction action) {
+  DCHECK_LT(action, DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_MAX);
+  UMA_HISTOGRAM_ENUMERATION(
+      "Search.DesktopSearch.RedirectionInfobarCloseAction", action,
+      DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_MAX);
+}
+
+}  // namespace
+
+void DesktopSearchRedirectionInfobarDelegate::Show(
+    infobars::InfoBarManager* infobar_manager,
+    const base::string16& default_search_engine_name,
+    const base::Closure& manage_search_settings_callback,
+    PrefService* pref_service) {
+  DCHECK(infobar_manager);
+  infobar_manager->AddInfoBar(
+      infobar_manager->CreateConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
+          new DesktopSearchRedirectionInfobarDelegate(
+              default_search_engine_name, manage_search_settings_callback))));
+  pref_service->SetBoolean(prefs::kDesktopSearchRedirectionInfobarShownPref,
+                           true);
+  base::RecordAction(
+      base::UserMetricsAction("DesktopSearchRedirectionInfoBar_Shown"));
+}
+
+DesktopSearchRedirectionInfobarDelegate::
+    DesktopSearchRedirectionInfobarDelegate(
+        const base::string16& default_search_engine_name,
+        const base::Closure& manage_search_settings_callback)
+    : default_search_engine_name_(default_search_engine_name),
+      manage_search_settings_callback_(manage_search_settings_callback),
+      closed_by_user_(false) {}
+
+DesktopSearchRedirectionInfobarDelegate::
+    ~DesktopSearchRedirectionInfobarDelegate() {
+  if (!closed_by_user_) {
+    base::RecordAction(
+        base::UserMetricsAction("DesktopSearchRedirectionInfoBar_Ignore"));
+    RecordDesktopSearchInfobarCloseActionHistogram(
+        DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_IGNORE);
+  }
+}
+
+infobars::InfoBarDelegate::InfoBarIdentifier
+DesktopSearchRedirectionInfobarDelegate::GetIdentifier() const {
+  return DESKTOP_SEARCH_REDIRECTION_INFOBAR_DELEGATE;
+}
+
+void DesktopSearchRedirectionInfobarDelegate::InfoBarDismissed() {
+  base::RecordAction(
+      base::UserMetricsAction("DesktopSearchRedirectionInfoBar_Dismiss"));
+  RecordDesktopSearchInfobarCloseActionHistogram(
+      DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_DISMISS);
+  closed_by_user_ = true;
+}
+
+base::string16 DesktopSearchRedirectionInfobarDelegate::GetMessageText() const {
+  return l10n_util::GetStringFUTF16(
+      IDS_DESKTOP_SEARCH_REDIRECTION_INFOBAR_MESSAGE,
+      default_search_engine_name_);
+}
+
+int DesktopSearchRedirectionInfobarDelegate::GetButtons() const {
+  return BUTTON_OK;
+}
+
+base::string16 DesktopSearchRedirectionInfobarDelegate::GetButtonLabel(
+    InfoBarButton button) const {
+  return l10n_util::GetStringUTF16(
+      IDS_DESKTOP_SEARCH_REDIRECTION_INFOBAR_BUTTON);
+}
+
+bool DesktopSearchRedirectionInfobarDelegate::Accept() {
+  base::RecordAction(base::UserMetricsAction(
+      "DesktopSearchRedirectionInfoBar_ManageSearchSettings"));
+  manage_search_settings_callback_.Run();
+
+  // Close the infobar.
+  RecordDesktopSearchInfobarCloseActionHistogram(
+      DESKTOP_SEARCH_REDIRECTION_INFOBAR_CLOSE_ACTION_MANAGE_SEARCH_SETTINGS);
+  closed_by_user_ = true;
+  return true;
+}