Migrate extension notifications to the new NotificationDisplayService

chrome/browser/notifications/stub_notification_display_service.cc

Index: chrome/browser/notifications/stub_notification_display_service.cc
diff --git a/chrome/browser/notifications/stub_notification_display_service.cc b/chrome/browser/notifications/stub_notification_display_service.cc
new file mode 100644
index 0000000000000000000000000000000000000000..981d47206592fbfc2a84a7e91485343417f2da35
--- /dev/null
+++ b/chrome/browser/notifications/stub_notification_display_service.cc
@@ -0,0 +1,89 @@
+// 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.
+
+#include "chrome/browser/notifications/stub_notification_display_service.h"
+
+#include <algorithm>
+
+#include "base/memory/ptr_util.h"
+
+// static
+std::unique_ptr<KeyedService> StubNotificationDisplayService::FactoryForTests(
+    content::BrowserContext* /* browser_context */) {
+  return base::MakeUnique<StubNotificationDisplayService>();
+}
+
+StubNotificationDisplayService::StubNotificationDisplayService() = default;
+
+StubNotificationDisplayService::~StubNotificationDisplayService() = default;
+
+void StubNotificationDisplayService::RemoveNotification(
+    NotificationCommon::Type notification_type,
+    const std::string& notification_id,
+    bool by_user) {
+  auto iter = std::find_if(
+      notifications_.begin(), notifications_.end(),
+      [notification_type, notification_id](const NotificationData& data) {
+        return data.first == notification_type &&
+               data.second.delegate_id() == notification_id;
+      });
+
+  if (iter == notifications_.end())
+    return;
+
+  // TODO(peter): Invoke the handlers when that has been generalized.
+  iter->second.delegate()->Close(by_user);
+
+  notifications_.erase(iter);
+}
+
+void StubNotificationDisplayService::RemoveAllNotifications(
+    NotificationCommon::Type notification_type,
+    bool by_user) {
+  for (auto iter = notifications_.begin(); iter != notifications_.end();) {
+    if (iter->first == notification_type) {
+      // TODO(peter): Invoke the handlers when that has been generalized.
+      iter->second.delegate()->Close(by_user);
+
+      iter = notifications_.erase(iter);
+    } else {
+      iter++;
+    }
+  }
+}
+
+void StubNotificationDisplayService::Display(
+    NotificationCommon::Type notification_type,
+    const std::string& notification_id,
+    const Notification& notification) {
+  // This mimics notification replacement behaviour; the Close() method on a
+  // notification's delegate is not meant to be invoked in this situation.
+  Close(notification_type, notification_id);
+
+  notifications_.emplace_back(notification_type, notification);
+}
+
+void StubNotificationDisplayService::Close(
+    NotificationCommon::Type notification_type,
+    const std::string& notification_id) {
+  notifications_.erase(
+      std::remove_if(
+          notifications_.begin(), notifications_.end(),
+          [notification_type, notification_id](const NotificationData& data) {
+            return data.first == notification_type &&
+                   data.second.delegate_id() == notification_id;
+          }),
+      notifications_.end());
+}
+
+void StubNotificationDisplayService::GetDisplayed(
+    const DisplayedNotificationsCallback& callback) const {
+  std::unique_ptr<std::set<std::string>> notifications =
+      base::MakeUnique<std::set<std::string>>();
+
+  for (const auto& notification_data : notifications_)
+    notifications->insert(notification_data.second.delegate_id());
+
+  callback.Run(std::move(notifications), true /* supports_synchronization */);
+}