content/browser/service_worker/service_worker_unregister_job.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/service_worker/service_worker_unregister_job.h"
   6
   7 #include "base/memory/weak_ptr.h"
   8 #include "content/browser/service_worker/service_worker_context_core.h"
   9 #include "content/browser/service_worker/service_worker_job_coordinator.h"
  10 #include "content/browser/service_worker/service_worker_registration.h"
  11 #include "content/browser/service_worker/service_worker_storage.h"
  12 #include "content/browser/service_worker/service_worker_utils.h"
  13 #include "content/browser/service_worker/service_worker_version.h"
  14
  15 namespace content {
  16
  17 typedef ServiceWorkerRegisterJobBase::RegistrationJobType RegistrationJobType;
  18
  19 ServiceWorkerUnregisterJob::ServiceWorkerUnregisterJob(
  20     base::WeakPtr<ServiceWorkerContextCore> context,
  21     const GURL& pattern)
  22     : context_(context),
  23       pattern_(pattern),
  24       is_promise_resolved_(false),
  25       weak_factory_(this) {
  26 }
  27
  28 ServiceWorkerUnregisterJob::~ServiceWorkerUnregisterJob() {}
  29
  30 void ServiceWorkerUnregisterJob::AddCallback(
  31     const UnregistrationCallback& callback) {
  32   callbacks_.push_back(callback);
  33 }
  34
  35 void ServiceWorkerUnregisterJob::Start() {
  36   context_->storage()->FindRegistrationForPattern(
  37       pattern_,
  38       base::Bind(&ServiceWorkerUnregisterJob::OnRegistrationFound,
  39                  weak_factory_.GetWeakPtr()));
  40 }
  41
  42 void ServiceWorkerUnregisterJob::Abort() {
  43   CompleteInternal(SERVICE_WORKER_ERROR_ABORT);
  44 }
  45
  46 bool ServiceWorkerUnregisterJob::Equals(ServiceWorkerRegisterJobBase* job) {
  47   if (job->GetType() != GetType())
  48     return false;
  49   return static_cast<ServiceWorkerUnregisterJob*>(job)->pattern_ == pattern_;
  50 }
  51
  52 RegistrationJobType ServiceWorkerUnregisterJob::GetType() {
  53   return UNREGISTRATION_JOB;
  54 }
  55
  56 void ServiceWorkerUnregisterJob::OnRegistrationFound(
  57     ServiceWorkerStatusCode status,
  58     const scoped_refptr<ServiceWorkerRegistration>& registration) {
  59   if (status == SERVICE_WORKER_ERROR_NOT_FOUND) {
  60     DCHECK(!registration);
  61     Complete(SERVICE_WORKER_OK);
  62     return;
  63   }
  64
  65   if (status != SERVICE_WORKER_OK || registration->is_uninstalling()) {
  66     Complete(status);
  67     return;
  68   }
  69
  70   // TODO: "7. If registration.updatePromise is not null..."
  71
  72   // "8. Resolve promise."
  73   ResolvePromise(SERVICE_WORKER_OK);
  74
  75   registration->ClearWhenReady();
  76
  77   Complete(SERVICE_WORKER_OK);
  78 }
  79
  80 void ServiceWorkerUnregisterJob::Complete(ServiceWorkerStatusCode status) {
  81   CompleteInternal(status);
  82   context_->job_coordinator()->FinishJob(pattern_, this);
  83 }
  84
  85 void ServiceWorkerUnregisterJob::CompleteInternal(
  86     ServiceWorkerStatusCode status) {
  87   if (!is_promise_resolved_)
  88     ResolvePromise(status);
  89 }
  90
  91 void ServiceWorkerUnregisterJob::ResolvePromise(
  92     ServiceWorkerStatusCode status) {
  93   DCHECK(!is_promise_resolved_);
  94   is_promise_resolved_ = true;
  95   for (std::vector<UnregistrationCallback>::iterator it = callbacks_.begin();
  96        it != callbacks_.end();
  97        ++it) {
  98     it->Run(status);
  99   }
 100 }
 101
 102 }  // namespace content