dom/src/notification/Notification.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/src/notification/Notification.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,834 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "PCOMContentPermissionRequestChild.h"
     1.9 +#include "mozilla/dom/Notification.h"
    1.10 +#include "mozilla/dom/AppNotificationServiceOptionsBinding.h"
    1.11 +#include "mozilla/dom/OwningNonNull.h"
    1.12 +#include "mozilla/dom/Promise.h"
    1.13 +#include "mozilla/Preferences.h"
    1.14 +#include "TabChild.h"
    1.15 +#include "nsContentUtils.h"
    1.16 +#include "nsIAlertsService.h"
    1.17 +#include "nsIAppsService.h"
    1.18 +#include "nsIContentPermissionPrompt.h"
    1.19 +#include "nsIDocument.h"
    1.20 +#include "nsINotificationStorage.h"
    1.21 +#include "nsIPermissionManager.h"
    1.22 +#include "nsIUUIDGenerator.h"
    1.23 +#include "nsServiceManagerUtils.h"
    1.24 +#include "nsToolkitCompsCID.h"
    1.25 +#include "nsGlobalWindow.h"
    1.26 +#include "nsDOMJSUtils.h"
    1.27 +#include "nsIScriptSecurityManager.h"
    1.28 +#include "mozilla/dom/PermissionMessageUtils.h"
    1.29 +#include "nsContentPermissionHelper.h"
    1.30 +#ifdef MOZ_B2G
    1.31 +#include "nsIDOMDesktopNotification.h"
    1.32 +#endif
    1.33 +
    1.34 +namespace mozilla {
    1.35 +namespace dom {
    1.36 +
    1.37 +class NotificationStorageCallback MOZ_FINAL : public nsINotificationStorageCallback
    1.38 +{
    1.39 +public:
    1.40 +  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
    1.41 +  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(NotificationStorageCallback)
    1.42 +
    1.43 +  NotificationStorageCallback(const GlobalObject& aGlobal, nsPIDOMWindow* aWindow, Promise* aPromise)
    1.44 +    : mCount(0),
    1.45 +      mGlobal(aGlobal.Get()),
    1.46 +      mWindow(aWindow),
    1.47 +      mPromise(aPromise)
    1.48 +  {
    1.49 +    MOZ_ASSERT(aWindow);
    1.50 +    MOZ_ASSERT(aPromise);
    1.51 +    JSContext* cx = aGlobal.GetContext();
    1.52 +    JSAutoCompartment ac(cx, mGlobal);
    1.53 +    mNotifications = JS_NewArrayObject(cx, 0);
    1.54 +    HoldData();
    1.55 +  }
    1.56 +
    1.57 +  NS_IMETHOD Handle(const nsAString& aID,
    1.58 +                    const nsAString& aTitle,
    1.59 +                    const nsAString& aDir,
    1.60 +                    const nsAString& aLang,
    1.61 +                    const nsAString& aBody,
    1.62 +                    const nsAString& aTag,
    1.63 +                    const nsAString& aIcon,
    1.64 +                    JSContext* aCx)
    1.65 +  {
    1.66 +    MOZ_ASSERT(!aID.IsEmpty());
    1.67 +
    1.68 +    NotificationOptions options;
    1.69 +    options.mDir = Notification::StringToDirection(nsString(aDir));
    1.70 +    options.mLang = aLang;
    1.71 +    options.mBody = aBody;
    1.72 +    options.mTag = aTag;
    1.73 +    options.mIcon = aIcon;
    1.74 +    nsRefPtr<Notification> notification = Notification::CreateInternal(mWindow,
    1.75 +                                                                       aID,
    1.76 +                                                                       aTitle,
    1.77 +                                                                       options);
    1.78 +    JSAutoCompartment ac(aCx, mGlobal);
    1.79 +    JS::Rooted<JSObject*> element(aCx, notification->WrapObject(aCx));
    1.80 +    NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
    1.81 +
    1.82 +    if (!JS_DefineElement(aCx, mNotifications, mCount++,
    1.83 +                          JS::ObjectValue(*element), nullptr, nullptr, 0)) {
    1.84 +      return NS_ERROR_FAILURE;
    1.85 +    }
    1.86 +    return NS_OK;
    1.87 +  }
    1.88 +
    1.89 +  NS_IMETHOD Done(JSContext* aCx)
    1.90 +  {
    1.91 +    JSAutoCompartment ac(aCx, mGlobal);
    1.92 +    JS::Rooted<JS::Value> result(aCx, JS::ObjectValue(*mNotifications));
    1.93 +    mPromise->MaybeResolve(aCx, result);
    1.94 +    return NS_OK;
    1.95 +  }
    1.96 +
    1.97 +private:
    1.98 +  ~NotificationStorageCallback()
    1.99 +  {
   1.100 +    DropData();
   1.101 +  }
   1.102 +
   1.103 +  void HoldData()
   1.104 +  {
   1.105 +    mozilla::HoldJSObjects(this);
   1.106 +  }
   1.107 +
   1.108 +  void DropData()
   1.109 +  {
   1.110 +    mGlobal = nullptr;
   1.111 +    mNotifications = nullptr;
   1.112 +    mozilla::DropJSObjects(this);
   1.113 +  }
   1.114 +
   1.115 +  uint32_t  mCount;
   1.116 +  JS::Heap<JSObject *> mGlobal;
   1.117 +  nsCOMPtr<nsPIDOMWindow> mWindow;
   1.118 +  nsRefPtr<Promise> mPromise;
   1.119 +  JS::Heap<JSObject *> mNotifications;
   1.120 +};
   1.121 +
   1.122 +NS_IMPL_CYCLE_COLLECTING_ADDREF(NotificationStorageCallback)
   1.123 +NS_IMPL_CYCLE_COLLECTING_RELEASE(NotificationStorageCallback)
   1.124 +NS_IMPL_CYCLE_COLLECTION_CLASS(NotificationStorageCallback)
   1.125 +
   1.126 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(NotificationStorageCallback)
   1.127 +  NS_INTERFACE_MAP_ENTRY(nsINotificationStorageCallback)
   1.128 +  NS_INTERFACE_MAP_ENTRY(nsISupports)
   1.129 +NS_INTERFACE_MAP_END
   1.130 +
   1.131 +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(NotificationStorageCallback)
   1.132 +  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mGlobal)
   1.133 +  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mNotifications)
   1.134 +NS_IMPL_CYCLE_COLLECTION_TRACE_END
   1.135 +
   1.136 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(NotificationStorageCallback)
   1.137 +  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
   1.138 +  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
   1.139 +  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPromise)
   1.140 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
   1.141 +
   1.142 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(NotificationStorageCallback)
   1.143 +  NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
   1.144 +  NS_IMPL_CYCLE_COLLECTION_UNLINK(mPromise)
   1.145 +  tmp->DropData();
   1.146 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END
   1.147 +
   1.148 +class NotificationPermissionRequest : public nsIContentPermissionRequest,
   1.149 +                                      public PCOMContentPermissionRequestChild,
   1.150 +                                      public nsIRunnable
   1.151 +{
   1.152 +public:
   1.153 +  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
   1.154 +  NS_DECL_NSICONTENTPERMISSIONREQUEST
   1.155 +  NS_DECL_NSIRUNNABLE
   1.156 +  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(NotificationPermissionRequest,
   1.157 +                                           nsIContentPermissionRequest)
   1.158 +
   1.159 +  NotificationPermissionRequest(nsIPrincipal* aPrincipal, nsPIDOMWindow* aWindow,
   1.160 +                                NotificationPermissionCallback* aCallback)
   1.161 +    : mPrincipal(aPrincipal), mWindow(aWindow),
   1.162 +      mPermission(NotificationPermission::Default),
   1.163 +      mCallback(aCallback) {}
   1.164 +
   1.165 +  virtual ~NotificationPermissionRequest() {}
   1.166 +
   1.167 +  bool Recv__delete__(const bool& aAllow,
   1.168 +                      const InfallibleTArray<PermissionChoice>& choices);
   1.169 +  void IPDLRelease() { Release(); }
   1.170 +
   1.171 +protected:
   1.172 +  nsresult CallCallback();
   1.173 +  nsresult DispatchCallback();
   1.174 +  nsCOMPtr<nsIPrincipal> mPrincipal;
   1.175 +  nsCOMPtr<nsPIDOMWindow> mWindow;
   1.176 +  NotificationPermission mPermission;
   1.177 +  nsRefPtr<NotificationPermissionCallback> mCallback;
   1.178 +};
   1.179 +
   1.180 +class NotificationObserver : public nsIObserver
   1.181 +{
   1.182 +public:
   1.183 +  NS_DECL_ISUPPORTS
   1.184 +  NS_DECL_NSIOBSERVER
   1.185 +
   1.186 +  NotificationObserver(Notification* aNotification)
   1.187 +    : mNotification(aNotification) {}
   1.188 +
   1.189 +  virtual ~NotificationObserver() {}
   1.190 +
   1.191 +protected:
   1.192 +  nsRefPtr<Notification> mNotification;
   1.193 +};
   1.194 +
   1.195 +class NotificationTask : public nsIRunnable
   1.196 +{
   1.197 +public:
   1.198 +  NS_DECL_ISUPPORTS
   1.199 +  NS_DECL_NSIRUNNABLE
   1.200 +
   1.201 +  enum NotificationAction {
   1.202 +    eShow,
   1.203 +    eClose
   1.204 +  };
   1.205 +
   1.206 +  NotificationTask(Notification* aNotification, NotificationAction aAction)
   1.207 +    : mNotification(aNotification), mAction(aAction) {}
   1.208 +
   1.209 +  virtual ~NotificationTask() {}
   1.210 +
   1.211 +protected:
   1.212 +  nsRefPtr<Notification> mNotification;
   1.213 +  NotificationAction mAction;
   1.214 +};
   1.215 +
   1.216 +uint32_t Notification::sCount = 0;
   1.217 +
   1.218 +NS_IMPL_CYCLE_COLLECTION(NotificationPermissionRequest, mWindow)
   1.219 +
   1.220 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(NotificationPermissionRequest)
   1.221 +  NS_INTERFACE_MAP_ENTRY(nsIContentPermissionRequest)
   1.222 +  NS_INTERFACE_MAP_ENTRY(nsIRunnable)
   1.223 +  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentPermissionRequest)
   1.224 +NS_INTERFACE_MAP_END
   1.225 +
   1.226 +NS_IMPL_CYCLE_COLLECTING_ADDREF(NotificationPermissionRequest)
   1.227 +NS_IMPL_CYCLE_COLLECTING_RELEASE(NotificationPermissionRequest)
   1.228 +
   1.229 +NS_IMETHODIMP
   1.230 +NotificationPermissionRequest::Run()
   1.231 +{
   1.232 +  if (nsContentUtils::IsSystemPrincipal(mPrincipal)) {
   1.233 +    mPermission = NotificationPermission::Granted;
   1.234 +  } else {
   1.235 +    // File are automatically granted permission.
   1.236 +    nsCOMPtr<nsIURI> uri;
   1.237 +    mPrincipal->GetURI(getter_AddRefs(uri));
   1.238 +
   1.239 +    if (uri) {
   1.240 +      bool isFile;
   1.241 +      uri->SchemeIs("file", &isFile);
   1.242 +      if (isFile) {
   1.243 +        mPermission = NotificationPermission::Granted;
   1.244 +      }
   1.245 +    }
   1.246 +  }
   1.247 +
   1.248 +  // Grant permission if pref'ed on.
   1.249 +  if (Preferences::GetBool("notification.prompt.testing", false)) {
   1.250 +    if (Preferences::GetBool("notification.prompt.testing.allow", true)) {
   1.251 +      mPermission = NotificationPermission::Granted;
   1.252 +    } else {
   1.253 +      mPermission = NotificationPermission::Denied;
   1.254 +    }
   1.255 +  }
   1.256 +
   1.257 +  if (mPermission != NotificationPermission::Default) {
   1.258 +    return DispatchCallback();
   1.259 +  }
   1.260 +
   1.261 +  if (XRE_GetProcessType() == GeckoProcessType_Content) {
   1.262 +    // because owner implements nsITabChild, we can assume that it is
   1.263 +    // the one and only TabChild.
   1.264 +    TabChild* child = TabChild::GetFrom(mWindow->GetDocShell());
   1.265 +    if (!child) {
   1.266 +      return NS_ERROR_NOT_AVAILABLE;
   1.267 +    }
   1.268 +
   1.269 +    // Retain a reference so the object isn't deleted without IPDL's knowledge.
   1.270 +    // Corresponding release occurs in DeallocPContentPermissionRequest.
   1.271 +    AddRef();
   1.272 +
   1.273 +    nsTArray<PermissionRequest> permArray;
   1.274 +    nsTArray<nsString> emptyOptions;
   1.275 +    permArray.AppendElement(PermissionRequest(
   1.276 +                            NS_LITERAL_CSTRING("desktop-notification"),
   1.277 +                            NS_LITERAL_CSTRING("unused"),
   1.278 +                            emptyOptions));
   1.279 +    child->SendPContentPermissionRequestConstructor(this, permArray,
   1.280 +                                                    IPC::Principal(mPrincipal));
   1.281 +
   1.282 +    Sendprompt();
   1.283 +    return NS_OK;
   1.284 +  }
   1.285 +
   1.286 +  nsCOMPtr<nsIContentPermissionPrompt> prompt =
   1.287 +    do_GetService(NS_CONTENT_PERMISSION_PROMPT_CONTRACTID);
   1.288 +  if (prompt) {
   1.289 +    prompt->Prompt(this);
   1.290 +  }
   1.291 +
   1.292 +  return NS_OK;
   1.293 +}
   1.294 +
   1.295 +NS_IMETHODIMP
   1.296 +NotificationPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
   1.297 +{
   1.298 +  NS_ADDREF(*aRequestingPrincipal = mPrincipal);
   1.299 +  return NS_OK;
   1.300 +}
   1.301 +
   1.302 +NS_IMETHODIMP
   1.303 +NotificationPermissionRequest::GetWindow(nsIDOMWindow** aRequestingWindow)
   1.304 +{
   1.305 +  NS_ADDREF(*aRequestingWindow = mWindow);
   1.306 +  return NS_OK;
   1.307 +}
   1.308 +
   1.309 +NS_IMETHODIMP
   1.310 +NotificationPermissionRequest::GetElement(nsIDOMElement** aElement)
   1.311 +{
   1.312 +  NS_ENSURE_ARG_POINTER(aElement);
   1.313 +  *aElement = nullptr;
   1.314 +  return NS_OK;
   1.315 +}
   1.316 +
   1.317 +NS_IMETHODIMP
   1.318 +NotificationPermissionRequest::Cancel()
   1.319 +{
   1.320 +  mPermission = NotificationPermission::Denied;
   1.321 +  return DispatchCallback();
   1.322 +}
   1.323 +
   1.324 +NS_IMETHODIMP
   1.325 +NotificationPermissionRequest::Allow(JS::HandleValue aChoices)
   1.326 +{
   1.327 +  MOZ_ASSERT(aChoices.isUndefined());
   1.328 +
   1.329 +  mPermission = NotificationPermission::Granted;
   1.330 +  return DispatchCallback();
   1.331 +}
   1.332 +
   1.333 +inline nsresult
   1.334 +NotificationPermissionRequest::DispatchCallback()
   1.335 +{
   1.336 +  if (!mCallback) {
   1.337 +    return NS_OK;
   1.338 +  }
   1.339 +
   1.340 +  nsCOMPtr<nsIRunnable> callbackRunnable = NS_NewRunnableMethod(this,
   1.341 +    &NotificationPermissionRequest::CallCallback);
   1.342 +  return NS_DispatchToMainThread(callbackRunnable);
   1.343 +}
   1.344 +
   1.345 +nsresult
   1.346 +NotificationPermissionRequest::CallCallback()
   1.347 +{
   1.348 +  ErrorResult rv;
   1.349 +  mCallback->Call(mPermission, rv);
   1.350 +  return rv.ErrorCode();
   1.351 +}
   1.352 +
   1.353 +NS_IMETHODIMP
   1.354 +NotificationPermissionRequest::GetTypes(nsIArray** aTypes)
   1.355 +{
   1.356 +  nsTArray<nsString> emptyOptions;
   1.357 +  return CreatePermissionArray(NS_LITERAL_CSTRING("desktop-notification"),
   1.358 +                               NS_LITERAL_CSTRING("unused"),
   1.359 +                               emptyOptions,
   1.360 +                               aTypes);
   1.361 +}
   1.362 +
   1.363 +bool
   1.364 +NotificationPermissionRequest::Recv__delete__(const bool& aAllow,
   1.365 +                                              const InfallibleTArray<PermissionChoice>& choices)
   1.366 +{
   1.367 +  MOZ_ASSERT(choices.IsEmpty(), "Notification doesn't support permission choice");
   1.368 +
   1.369 +  if (aAllow) {
   1.370 +    (void) Allow(JS::UndefinedHandleValue);
   1.371 +  } else {
   1.372 +    (void) Cancel();
   1.373 +  }
   1.374 +  return true;
   1.375 +}
   1.376 +
   1.377 +NS_IMPL_ISUPPORTS(NotificationTask, nsIRunnable)
   1.378 +
   1.379 +NS_IMETHODIMP
   1.380 +NotificationTask::Run()
   1.381 +{
   1.382 +  switch (mAction) {
   1.383 +  case eShow:
   1.384 +    mNotification->ShowInternal();
   1.385 +    break;
   1.386 +  case eClose:
   1.387 +    mNotification->CloseInternal();
   1.388 +    break;
   1.389 +  default:
   1.390 +    MOZ_CRASH("Unexpected action for NotificationTask.");
   1.391 +  }
   1.392 +  return NS_OK;
   1.393 +}
   1.394 +
   1.395 +NS_IMPL_ISUPPORTS(NotificationObserver, nsIObserver)
   1.396 +
   1.397 +NS_IMETHODIMP
   1.398 +NotificationObserver::Observe(nsISupports* aSubject, const char* aTopic,
   1.399 +                              const char16_t* aData)
   1.400 +{
   1.401 +  if (!strcmp("alertclickcallback", aTopic)) {
   1.402 +    nsCOMPtr<nsPIDOMWindow> window = mNotification->GetOwner();
   1.403 +    nsIDocument* doc = window ? window->GetExtantDoc() : nullptr;
   1.404 +    if (doc) {
   1.405 +      nsContentUtils::DispatchChromeEvent(doc, window,
   1.406 +                                          NS_LITERAL_STRING("DOMWebNotificationClicked"),
   1.407 +                                          true, true);
   1.408 +    }
   1.409 +    mNotification->DispatchTrustedEvent(NS_LITERAL_STRING("click"));
   1.410 +  } else if (!strcmp("alertfinished", aTopic)) {
   1.411 +    mNotification->mIsClosed = true;
   1.412 +    mNotification->DispatchTrustedEvent(NS_LITERAL_STRING("close"));
   1.413 +  } else if (!strcmp("alertshow", aTopic)) {
   1.414 +    mNotification->DispatchTrustedEvent(NS_LITERAL_STRING("show"));
   1.415 +  }
   1.416 +
   1.417 +  return NS_OK;
   1.418 +}
   1.419 +
   1.420 +Notification::Notification(const nsAString& aID, const nsAString& aTitle, const nsAString& aBody,
   1.421 +                           NotificationDirection aDir, const nsAString& aLang,
   1.422 +                           const nsAString& aTag, const nsAString& aIconUrl,
   1.423 +			   nsPIDOMWindow* aWindow)
   1.424 +  : DOMEventTargetHelper(aWindow),
   1.425 +    mID(aID), mTitle(aTitle), mBody(aBody), mDir(aDir), mLang(aLang),
   1.426 +    mTag(aTag), mIconUrl(aIconUrl), mIsClosed(false)
   1.427 +{
   1.428 +}
   1.429 +
   1.430 +// static
   1.431 +already_AddRefed<Notification>
   1.432 +Notification::Constructor(const GlobalObject& aGlobal,
   1.433 +                          const nsAString& aTitle,
   1.434 +                          const NotificationOptions& aOptions,
   1.435 +                          ErrorResult& aRv)
   1.436 +{
   1.437 +  MOZ_ASSERT(NS_IsMainThread());
   1.438 +  nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
   1.439 +  MOZ_ASSERT(window, "Window should not be null.");
   1.440 +  nsRefPtr<Notification> notification = CreateInternal(window,
   1.441 +                                                       EmptyString(),
   1.442 +                                                       aTitle,
   1.443 +                                                       aOptions);
   1.444 +
   1.445 +  // Queue a task to show the notification.
   1.446 +  nsCOMPtr<nsIRunnable> showNotificationTask =
   1.447 +    new NotificationTask(notification, NotificationTask::eShow);
   1.448 +  NS_DispatchToCurrentThread(showNotificationTask);
   1.449 +
   1.450 +  // Persist the notification.
   1.451 +  nsresult rv;
   1.452 +  nsCOMPtr<nsINotificationStorage> notificationStorage =
   1.453 +    do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
   1.454 +  if (NS_FAILED(rv)) {
   1.455 +    aRv.Throw(rv);
   1.456 +    return nullptr;
   1.457 +  }
   1.458 +
   1.459 +  nsString origin;
   1.460 +  aRv = GetOrigin(window, origin);
   1.461 +  if (aRv.Failed()) {
   1.462 +    return nullptr;
   1.463 +  }
   1.464 +
   1.465 +  nsString id;
   1.466 +  notification->GetID(id);
   1.467 +  aRv = notificationStorage->Put(origin,
   1.468 +                                 id,
   1.469 +                                 aTitle,
   1.470 +                                 DirectionToString(aOptions.mDir),
   1.471 +                                 aOptions.mLang,
   1.472 +                                 aOptions.mBody,
   1.473 +                                 aOptions.mTag,
   1.474 +                                 aOptions.mIcon);
   1.475 +  if (aRv.Failed()) {
   1.476 +    return nullptr;
   1.477 +  }
   1.478 +
   1.479 +  return notification.forget();
   1.480 +}
   1.481 +
   1.482 +already_AddRefed<Notification>
   1.483 +Notification::CreateInternal(nsPIDOMWindow* aWindow,
   1.484 +                             const nsAString& aID,
   1.485 +                             const nsAString& aTitle,
   1.486 +                             const NotificationOptions& aOptions)
   1.487 +{
   1.488 +  nsString id;
   1.489 +  if (!aID.IsEmpty()) {
   1.490 +    id = aID;
   1.491 +  } else {
   1.492 +    nsCOMPtr<nsIUUIDGenerator> uuidgen =
   1.493 +      do_GetService("@mozilla.org/uuid-generator;1");
   1.494 +    NS_ENSURE_TRUE(uuidgen, nullptr);
   1.495 +    nsID uuid;
   1.496 +    nsresult rv = uuidgen->GenerateUUIDInPlace(&uuid);
   1.497 +    NS_ENSURE_SUCCESS(rv, nullptr);
   1.498 +
   1.499 +    char buffer[NSID_LENGTH];
   1.500 +    uuid.ToProvidedString(buffer);
   1.501 +    NS_ConvertASCIItoUTF16 convertedID(buffer);
   1.502 +    id = convertedID;
   1.503 +  }
   1.504 +
   1.505 +  nsRefPtr<Notification> notification = new Notification(id,
   1.506 +                                                         aTitle,
   1.507 +                                                         aOptions.mBody,
   1.508 +                                                         aOptions.mDir,
   1.509 +                                                         aOptions.mLang,
   1.510 +                                                         aOptions.mTag,
   1.511 +                                                         aOptions.mIcon,
   1.512 +							 aWindow);
   1.513 +  return notification.forget();
   1.514 +}
   1.515 +
   1.516 +nsIPrincipal*
   1.517 +Notification::GetPrincipal()
   1.518 +{
   1.519 +  nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(GetOwner());
   1.520 +  NS_ENSURE_TRUE(sop, nullptr);
   1.521 +  return sop->GetPrincipal();
   1.522 +}
   1.523 +
   1.524 +void
   1.525 +Notification::ShowInternal()
   1.526 +{
   1.527 +  nsCOMPtr<nsIAlertsService> alertService =
   1.528 +    do_GetService(NS_ALERTSERVICE_CONTRACTID);
   1.529 +
   1.530 +  ErrorResult result;
   1.531 +  if (GetPermissionInternal(GetOwner(), result) !=
   1.532 +    NotificationPermission::Granted || !alertService) {
   1.533 +    // We do not have permission to show a notification or alert service
   1.534 +    // is not available.
   1.535 +    DispatchTrustedEvent(NS_LITERAL_STRING("error"));
   1.536 +    return;
   1.537 +  }
   1.538 +
   1.539 +  nsresult rv;
   1.540 +  nsAutoString absoluteUrl;
   1.541 +  if (mIconUrl.Length() > 0) {
   1.542 +    // Resolve image URL against document base URI.
   1.543 +    nsIDocument* doc = GetOwner()->GetExtantDoc();
   1.544 +    if (doc) {
   1.545 +      nsCOMPtr<nsIURI> baseUri = doc->GetBaseURI();
   1.546 +      if (baseUri) {
   1.547 +        nsCOMPtr<nsIURI> srcUri;
   1.548 +        rv = nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(srcUri),
   1.549 +                                                       mIconUrl, doc, baseUri);
   1.550 +        if (NS_SUCCEEDED(rv)) {
   1.551 +          nsAutoCString src;
   1.552 +          srcUri->GetSpec(src);
   1.553 +          absoluteUrl = NS_ConvertUTF8toUTF16(src);
   1.554 +        }
   1.555 +      }
   1.556 +
   1.557 +    }
   1.558 +  }
   1.559 +
   1.560 +  nsCOMPtr<nsIObserver> observer = new NotificationObserver(this);
   1.561 +
   1.562 +  nsString alertName;
   1.563 +  rv = GetAlertName(alertName);
   1.564 +  NS_ENSURE_SUCCESS_VOID(rv);
   1.565 +
   1.566 +#ifdef MOZ_B2G
   1.567 +  nsCOMPtr<nsIAppNotificationService> appNotifier =
   1.568 +    do_GetService("@mozilla.org/system-alerts-service;1");
   1.569 +  if (appNotifier) {
   1.570 +    nsCOMPtr<nsPIDOMWindow> window = GetOwner();
   1.571 +    uint32_t appId = (window.get())->GetDoc()->NodePrincipal()->GetAppId();
   1.572 +
   1.573 +    if (appId != nsIScriptSecurityManager::UNKNOWN_APP_ID) {
   1.574 +      nsCOMPtr<nsIAppsService> appsService = do_GetService("@mozilla.org/AppsService;1");
   1.575 +      nsString manifestUrl = EmptyString();
   1.576 +      rv = appsService->GetManifestURLByLocalId(appId, manifestUrl);
   1.577 +      if (NS_SUCCEEDED(rv)) {
   1.578 +        mozilla::AutoSafeJSContext cx;
   1.579 +        JS::Rooted<JS::Value> val(cx);
   1.580 +        AppNotificationServiceOptions ops;
   1.581 +        ops.mTextClickable = true;
   1.582 +        ops.mManifestURL = manifestUrl;
   1.583 +        ops.mId = alertName;
   1.584 +        ops.mDbId = mID;
   1.585 +        ops.mDir = DirectionToString(mDir);
   1.586 +        ops.mLang = mLang;
   1.587 +        ops.mTag = mTag;
   1.588 +
   1.589 +        if (!ops.ToObject(cx, &val)) {
   1.590 +          NS_WARNING("Converting dict to object failed!");
   1.591 +          return;
   1.592 +        }
   1.593 +
   1.594 +        appNotifier->ShowAppNotification(mIconUrl, mTitle, mBody,
   1.595 +                                         observer, val);
   1.596 +        return;
   1.597 +      }
   1.598 +    }
   1.599 +  }
   1.600 +#endif
   1.601 +
   1.602 +  // In the case of IPC, the parent process uses the cookie to map to
   1.603 +  // nsIObserver. Thus the cookie must be unique to differentiate observers.
   1.604 +  nsString uniqueCookie = NS_LITERAL_STRING("notification:");
   1.605 +  uniqueCookie.AppendInt(sCount++);
   1.606 +  alertService->ShowAlertNotification(absoluteUrl, mTitle, mBody, true,
   1.607 +                                      uniqueCookie, observer, alertName,
   1.608 +                                      DirectionToString(mDir), mLang,
   1.609 +                                             GetPrincipal());
   1.610 +}
   1.611 +
   1.612 +void
   1.613 +Notification::RequestPermission(const GlobalObject& aGlobal,
   1.614 +                                const Optional<OwningNonNull<NotificationPermissionCallback> >& aCallback,
   1.615 +                                ErrorResult& aRv)
   1.616 +{
   1.617 +  // Get principal from global to make permission request for notifications.
   1.618 +  nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
   1.619 +  nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aGlobal.GetAsSupports());
   1.620 +  if (!sop) {
   1.621 +    aRv.Throw(NS_ERROR_UNEXPECTED);
   1.622 +    return;
   1.623 +  }
   1.624 +  nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
   1.625 +
   1.626 +  NotificationPermissionCallback* permissionCallback = nullptr;
   1.627 +  if (aCallback.WasPassed()) {
   1.628 +    permissionCallback = &aCallback.Value();
   1.629 +  }
   1.630 +  nsCOMPtr<nsIRunnable> request =
   1.631 +    new NotificationPermissionRequest(principal, window, permissionCallback);
   1.632 +
   1.633 +  NS_DispatchToMainThread(request);
   1.634 +}
   1.635 +
   1.636 +NotificationPermission
   1.637 +Notification::GetPermission(const GlobalObject& aGlobal, ErrorResult& aRv)
   1.638 +{
   1.639 +  return GetPermissionInternal(aGlobal.GetAsSupports(), aRv);
   1.640 +}
   1.641 +
   1.642 +NotificationPermission
   1.643 +Notification::GetPermissionInternal(nsISupports* aGlobal, ErrorResult& aRv)
   1.644 +{
   1.645 +  // Get principal from global to check permission for notifications.
   1.646 +  nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aGlobal);
   1.647 +  if (!sop) {
   1.648 +    aRv.Throw(NS_ERROR_UNEXPECTED);
   1.649 +    return NotificationPermission::Denied;
   1.650 +  }
   1.651 +
   1.652 +  nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
   1.653 +  if (nsContentUtils::IsSystemPrincipal(principal)) {
   1.654 +    return NotificationPermission::Granted;
   1.655 +  } else {
   1.656 +    // Allow files to show notifications by default.
   1.657 +    nsCOMPtr<nsIURI> uri;
   1.658 +    principal->GetURI(getter_AddRefs(uri));
   1.659 +    if (uri) {
   1.660 +      bool isFile;
   1.661 +      uri->SchemeIs("file", &isFile);
   1.662 +      if (isFile) {
   1.663 +        return NotificationPermission::Granted;
   1.664 +      }
   1.665 +    }
   1.666 +  }
   1.667 +
   1.668 +  // We also allow notifications is they are pref'ed on.
   1.669 +  if (Preferences::GetBool("notification.prompt.testing", false)) {
   1.670 +    if (Preferences::GetBool("notification.prompt.testing.allow", true)) {
   1.671 +      return NotificationPermission::Granted;
   1.672 +    } else {
   1.673 +      return NotificationPermission::Denied;
   1.674 +    }
   1.675 +  }
   1.676 +
   1.677 +  uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
   1.678 +
   1.679 +  nsCOMPtr<nsIPermissionManager> permissionManager =
   1.680 +    do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
   1.681 +
   1.682 +  permissionManager->TestPermissionFromPrincipal(principal,
   1.683 +                                                 "desktop-notification",
   1.684 +                                                 &permission);
   1.685 +
   1.686 +  // Convert the result to one of the enum types.
   1.687 +  switch (permission) {
   1.688 +  case nsIPermissionManager::ALLOW_ACTION:
   1.689 +    return NotificationPermission::Granted;
   1.690 +  case nsIPermissionManager::DENY_ACTION:
   1.691 +    return NotificationPermission::Denied;
   1.692 +  default:
   1.693 +    return NotificationPermission::Default;
   1.694 +  }
   1.695 +}
   1.696 +
   1.697 +already_AddRefed<Promise>
   1.698 +Notification::Get(const GlobalObject& aGlobal,
   1.699 +                  const GetNotificationOptions& aFilter,
   1.700 +                  ErrorResult& aRv)
   1.701 +{
   1.702 +  nsCOMPtr<nsIGlobalObject> global =
   1.703 +    do_QueryInterface(aGlobal.GetAsSupports());
   1.704 +  MOZ_ASSERT(global);
   1.705 +  nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(global);
   1.706 +  MOZ_ASSERT(window);
   1.707 +  nsIDocument* doc = window->GetExtantDoc();
   1.708 +  if (!doc) {
   1.709 +    aRv.Throw(NS_ERROR_UNEXPECTED);
   1.710 +    return nullptr;
   1.711 +  }
   1.712 +
   1.713 +  nsString origin;
   1.714 +  aRv = GetOrigin(window, origin);
   1.715 +  if (aRv.Failed()) {
   1.716 +    return nullptr;
   1.717 +  }
   1.718 +
   1.719 +  nsresult rv;
   1.720 +  nsCOMPtr<nsINotificationStorage> notificationStorage =
   1.721 +    do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID, &rv);
   1.722 +  if (NS_FAILED(rv)) {
   1.723 +    aRv.Throw(rv);
   1.724 +    return nullptr;
   1.725 +  }
   1.726 +
   1.727 +  nsRefPtr<Promise> promise = new Promise(global);
   1.728 +  nsCOMPtr<nsINotificationStorageCallback> callback =
   1.729 +    new NotificationStorageCallback(aGlobal, window, promise);
   1.730 +  nsString tag = aFilter.mTag.WasPassed() ?
   1.731 +                 aFilter.mTag.Value() :
   1.732 +                 EmptyString();
   1.733 +  aRv = notificationStorage->Get(origin, tag, callback);
   1.734 +  if (aRv.Failed()) {
   1.735 +    return nullptr;
   1.736 +  }
   1.737 +
   1.738 +  return promise.forget();
   1.739 +}
   1.740 +
   1.741 +JSObject*
   1.742 +Notification::WrapObject(JSContext* aCx)
   1.743 +{
   1.744 +  return mozilla::dom::NotificationBinding::Wrap(aCx, this);
   1.745 +}
   1.746 +
   1.747 +void
   1.748 +Notification::Close()
   1.749 +{
   1.750 +  // Queue a task to close the notification.
   1.751 +  nsCOMPtr<nsIRunnable> closeNotificationTask =
   1.752 +    new NotificationTask(this, NotificationTask::eClose);
   1.753 +  NS_DispatchToMainThread(closeNotificationTask);
   1.754 +}
   1.755 +
   1.756 +void
   1.757 +Notification::CloseInternal()
   1.758 +{
   1.759 +  if (!mIsClosed) {
   1.760 +    nsresult rv;
   1.761 +    // Don't bail out if notification storage fails, since we still
   1.762 +    // want to send the close event through the alert service.
   1.763 +    nsCOMPtr<nsINotificationStorage> notificationStorage =
   1.764 +      do_GetService(NS_NOTIFICATION_STORAGE_CONTRACTID);
   1.765 +    if (notificationStorage) {
   1.766 +      nsString origin;
   1.767 +      rv = GetOrigin(GetOwner(), origin);
   1.768 +      if (NS_SUCCEEDED(rv)) {
   1.769 +        notificationStorage->Delete(origin, mID);
   1.770 +      }
   1.771 +    }
   1.772 +
   1.773 +    nsCOMPtr<nsIAlertsService> alertService =
   1.774 +      do_GetService(NS_ALERTSERVICE_CONTRACTID);
   1.775 +    if (alertService) {
   1.776 +      nsString alertName;
   1.777 +      rv = GetAlertName(alertName);
   1.778 +      if (NS_SUCCEEDED(rv)) {
   1.779 +        alertService->CloseAlert(alertName, GetPrincipal());
   1.780 +      }
   1.781 +    }
   1.782 +  }
   1.783 +}
   1.784 +
   1.785 +nsresult
   1.786 +Notification::GetOrigin(nsPIDOMWindow* aWindow, nsString& aOrigin)
   1.787 +{
   1.788 +  if (!aWindow) {
   1.789 +    return NS_ERROR_FAILURE;
   1.790 +  }
   1.791 +  nsresult rv;
   1.792 +  nsIDocument* doc = aWindow->GetExtantDoc();
   1.793 +  NS_ENSURE_TRUE(doc, NS_ERROR_UNEXPECTED);
   1.794 +  nsIPrincipal* principal = doc->NodePrincipal();
   1.795 +  NS_ENSURE_TRUE(principal, NS_ERROR_UNEXPECTED);
   1.796 +
   1.797 +  uint16_t appStatus = principal->GetAppStatus();
   1.798 +  uint32_t appId = principal->GetAppId();
   1.799 +
   1.800 +  if (appStatus == nsIPrincipal::APP_STATUS_NOT_INSTALLED ||
   1.801 +      appId == nsIScriptSecurityManager::NO_APP_ID ||
   1.802 +      appId == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
   1.803 +    rv = nsContentUtils::GetUTFOrigin(principal, aOrigin);
   1.804 +    NS_ENSURE_SUCCESS(rv, rv);
   1.805 +  } else {
   1.806 +    // If we are in "app code", use manifest URL as unique origin since
   1.807 +    // multiple apps can share the same origin but not same notifications.
   1.808 +    nsCOMPtr<nsIAppsService> appsService =
   1.809 +      do_GetService("@mozilla.org/AppsService;1", &rv);
   1.810 +    NS_ENSURE_SUCCESS(rv, rv);
   1.811 +    appsService->GetManifestURLByLocalId(appId, aOrigin);
   1.812 +  }
   1.813 +
   1.814 +  return NS_OK;
   1.815 +}
   1.816 +
   1.817 +nsresult
   1.818 +Notification::GetAlertName(nsString& aAlertName)
   1.819 +{
   1.820 +  // Get the notification name that is unique per origin + tag/ID.
   1.821 +  // The name of the alert is of the form origin#tag/ID.
   1.822 +  nsresult rv = GetOrigin(GetOwner(), aAlertName);
   1.823 +  NS_ENSURE_SUCCESS(rv, rv);
   1.824 +  aAlertName.AppendLiteral("#");
   1.825 +  if (!mTag.IsEmpty()) {
   1.826 +    aAlertName.Append(NS_LITERAL_STRING("tag:"));
   1.827 +    aAlertName.Append(mTag);
   1.828 +  } else {
   1.829 +    aAlertName.Append(NS_LITERAL_STRING("notag:"));
   1.830 +    aAlertName.Append(mID);
   1.831 +  }
   1.832 +  return NS_OK;
   1.833 +}
   1.834 +
   1.835 +} // namespace dom
   1.836 +} // namespace mozilla
   1.837 +

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