| Index: chrome/browser/notifications/message_center_display_service.cc
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| diff --git a/chrome/browser/notifications/message_center_display_service.cc b/chrome/browser/notifications/message_center_display_service.cc
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..8dc7420cafe2b9fdc9811c8ff68980b7a12b6de2
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| --- /dev/null
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| +++ b/chrome/browser/notifications/message_center_display_service.cc
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| @@ -0,0 +1,40 @@
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| +// Copyright 2016 The Chromium Authors. All rights reserved.
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| +// Use of this source code is governed by a BSD-style license that can be
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| +// found in the LICENSE file.
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| +
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| +#include "chrome/browser/notifications/message_center_display_service.h"
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| +
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| +#include "chrome/browser/notifications/notification.h"
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| +#include "chrome/browser/notifications/notification_ui_manager.h"
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| +#include "chrome/browser/profiles/profile.h"
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| +
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| +MessageCenterDisplayService::MessageCenterDisplayService(
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| +    Profile* profile,
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| +    NotificationUIManager* ui_manager)
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| +    : profile_(profile), ui_manager_(ui_manager) {}
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| +
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| +MessageCenterDisplayService::~MessageCenterDisplayService() {}
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| +
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| +void MessageCenterDisplayService::Display(const std::string& notification_id,
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| +                                          const Notification& notification) {
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| +  ui_manager_->Add(notification, profile_);
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| +}
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| +
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| +void MessageCenterDisplayService::Close(const std::string& notification_id) {
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| +  ui_manager_->CancelById(notification_id,
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| +                          NotificationUIManager::GetProfileID(profile_));
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| +}
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| +
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| +bool MessageCenterDisplayService::GetDisplayed(
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| +    std::set<std::string>* notifications) const {
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| +  DCHECK(notifications);
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| +  for (auto notification_id : ui_manager_->GetAllIdsByProfile(
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| +           NotificationUIManager::GetProfileID(profile_))) {
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| +    notifications->insert(notification_id);
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| +  }
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| +  return true;
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| +}
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| +
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| +bool MessageCenterDisplayService::SupportsNotificationCenter() const {
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| +  return false;
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| +}
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| 
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