content/browser/service_worker/service_worker_register_job.h

   1 // Copyright 2013 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 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/browser/service_worker/embedded_worker_instance.h"
  12 #include "content/browser/service_worker/service_worker_register_job_base.h"
  13 #include "content/browser/service_worker/service_worker_registration.h"
  14 #include "content/common/service_worker/service_worker_status_code.h"
  15 #include "url/gurl.h"
  16
  17 namespace content {
  18
  19 class ServiceWorkerJobCoordinator;
  20 class ServiceWorkerStorage;
  21
  22 // Handles the initial registration of a Service Worker and the
  23 // subsequent update of existing registrations.
  24 //
  25 // The control flow includes most or all of the following,
  26 // depending on what is already registered:
  27 //  - creating a ServiceWorkerRegistration instance if there isn't
  28 //    already something registered
  29 //  - creating a ServiceWorkerVersion for the new version.
  30 //  - starting a worker for the ServiceWorkerVersion
  31 //  - firing the 'install' event at the ServiceWorkerVersion
  32 //  - firing the 'activate' event at the ServiceWorkerVersion
  33 //  - waiting for older ServiceWorkerVersions to deactivate
  34 //  - designating the new version to be the 'active' version
  35 //  - updating storage
  36 class ServiceWorkerRegisterJob : public ServiceWorkerRegisterJobBase,
  37                                  public EmbeddedWorkerInstance::Listener {
  38  public:
  39   typedef base::Callback<void(ServiceWorkerStatusCode status,
  40                               const std::string& status_message,
  41                               ServiceWorkerRegistration* registration)>
  42       RegistrationCallback;
  43
  44   // For registration jobs.
  45   CONTENT_EXPORT ServiceWorkerRegisterJob(
  46       base::WeakPtr<ServiceWorkerContextCore> context,
  47       const GURL& pattern,
  48       const GURL& script_url);
  49
  50   // For update jobs.
  51   CONTENT_EXPORT ServiceWorkerRegisterJob(
  52       base::WeakPtr<ServiceWorkerContextCore> context,
  53       ServiceWorkerRegistration* registration);
  54   ~ServiceWorkerRegisterJob() override;
  55
  56   // Registers a callback to be called when the promise would resolve (whether
  57   // successfully or not). Multiple callbacks may be registered.
  58   // If |provider_host| is not NULL, its process will be regarded as a candidate
  59   // process to run the worker.
  60   void AddCallback(const RegistrationCallback& callback,
  61                    ServiceWorkerProviderHost* provider_host);
  62
  63   // ServiceWorkerRegisterJobBase implementation:
  64   void Start() override;
  65   void Abort() override;
  66   bool Equals(ServiceWorkerRegisterJobBase* job) const override;
  67   RegistrationJobType GetType() const override;
  68
  69   void DoomInstallingWorker();
  70
  71  private:
  72   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProviderHostWaitingVersionTest,
  73                            AssociateInstallingVersionToDocuments);
  74   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerProviderHostWaitingVersionTest,
  75                            DisassociateVersionFromDocuments);
  76
  77   enum Phase {
  78     INITIAL,
  79     START,
  80     REGISTER,
  81     UPDATE,
  82     INSTALL,
  83     STORE,
  84     COMPLETE,
  85     ABORT,
  86   };
  87
  88   // Holds internal state of ServiceWorkerRegistrationJob, to compel use of the
  89   // getter/setter functions.
  90   struct Internal {
  91     Internal();
  92     ~Internal();
  93     scoped_refptr<ServiceWorkerRegistration> registration;
  94
  95     // Holds the version created by this job. It can be the 'installing',
  96     // 'waiting', or 'active' version depending on the phase.
  97     scoped_refptr<ServiceWorkerVersion> new_version;
  98   };
  99
 100   void set_registration(
 101       const scoped_refptr<ServiceWorkerRegistration>& registration);
 102   ServiceWorkerRegistration* registration();
 103   void set_new_version(ServiceWorkerVersion* version);
 104   ServiceWorkerVersion* new_version();
 105
 106   void SetPhase(Phase phase);
 107
 108   void ContinueWithRegistration(
 109       ServiceWorkerStatusCode status,
 110       const scoped_refptr<ServiceWorkerRegistration>& registration);
 111   void ContinueWithUpdate(
 112       ServiceWorkerStatusCode status,
 113       const scoped_refptr<ServiceWorkerRegistration>& registration);
 114   void RegisterAndContinue();
 115   void ContinueWithUninstallingRegistration(
 116       const scoped_refptr<ServiceWorkerRegistration>& existing_registration,
 117       ServiceWorkerStatusCode status);
 118   void ContinueWithRegistrationForSameScriptUrl(
 119       const scoped_refptr<ServiceWorkerRegistration>& existing_registration,
 120       ServiceWorkerStatusCode status);
 121   void UpdateAndContinue();
 122   void OnStartWorkerFinished(ServiceWorkerStatusCode status);
 123   void OnStoreRegistrationComplete(ServiceWorkerStatusCode status);
 124   void InstallAndContinue();
 125   void OnInstallFinished(ServiceWorkerStatusCode status);
 126   void ActivateAndContinue();
 127   void OnActivateFinished(ServiceWorkerStatusCode status);
 128   void Complete(ServiceWorkerStatusCode status);
 129   void Complete(ServiceWorkerStatusCode status,
 130                 const std::string& status_message);
 131   void CompleteInternal(ServiceWorkerStatusCode status,
 132                         const std::string& status_message);
 133   void ResolvePromise(ServiceWorkerStatusCode status,
 134                       const std::string& status_message,
 135                       ServiceWorkerRegistration* registration);
 136
 137   // EmbeddedWorkerInstance::Listener override of OnPausedAfterDownload.
 138   void OnPausedAfterDownload() override;
 139   bool OnMessageReceived(const IPC::Message& message) override;
 140
 141   void OnCompareScriptResourcesComplete(
 142       ServiceWorkerStatusCode status,
 143       bool are_equal);
 144
 145   void AddRegistrationToMatchingProviderHosts(
 146       ServiceWorkerRegistration* registration);
 147
 148   // The ServiceWorkerContextCore object should always outlive this.
 149   base::WeakPtr<ServiceWorkerContextCore> context_;
 150
 151   RegistrationJobType job_type_;
 152   const GURL pattern_;
 153   const GURL script_url_;
 154   std::vector<RegistrationCallback> callbacks_;
 155   Phase phase_;
 156   Internal internal_;
 157   bool doom_installing_worker_;
 158   bool is_promise_resolved_;
 159   bool should_uninstall_on_failure_;
 160   ServiceWorkerStatusCode promise_resolved_status_;
 161   std::string promise_resolved_status_message_;
 162   scoped_refptr<ServiceWorkerRegistration> promise_resolved_registration_;
 163   base::WeakPtrFactory<ServiceWorkerRegisterJob> weak_factory_;
 164
 165   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegisterJob);
 166 };
 167
 168 }  // namespace content
 169
 170 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_