[CUPS] Implement the Print Job notification.

chrome/browser/chromeos/printing/cups_print_job_notification_manager.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 "chrome/browser/chromeos/printing/cups_print_job_notification_manager.h"
+
+#include "chrome/browser/chromeos/printing/cups_print_job.h"
+#include "chrome/browser/profiles/profile.h"
+
+namespace chromeos {
+
+CupsPrintJobNotificationManager::CupsPrintJobNotificationManager(
+    Profile* profile,
+    CupsPrintJobManager* print_job_manager)
+    : print_job_manager_(print_job_manager), profile_(profile) {
+  if (print_job_manager_)

[stevenjb, 2016/10/27 18:52:48]

Given that this class would be pretty pointless without |print_job_manager|,
maybe just DCHECK(print_job_manager) (and remove the test in the destructor
too).

[xdai1, 2016/10/28 23:59:54]

Done.

+    print_job_manager_->AddObserver(this);
+}
+
+CupsPrintJobNotificationManager::~CupsPrintJobNotificationManager() {
+  if (print_job_manager_)
+    print_job_manager_->RemoveObserver(this);
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobCreated(CupsPrintJob* job) {
+  if (notification_map_.find(job) != notification_map_.end())
+    return;
+  notification_map_[job] =
+      base::MakeUnique<CupsPrintJobNotification>(job, profile_);
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobStarted(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobUpdated(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobSuspended(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobResumed(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobDone(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+void CupsPrintJobNotificationManager::OnPrintJobError(CupsPrintJob* job) {
+  DCHECK(notification_map_.find(job) != notification_map_.end());
+  notification_map_[job]->OnPrintJobStatusUpdated();
+}
+
+}  // namespace chromeos