gecko-dev/dom/notification/DesktopNotification.cpp

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9.7 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/DesktopNotification.h"
#include "mozilla/dom/DesktopNotificationBinding.h"
#include "mozilla/dom/AppNotificationServiceOptionsBinding.h"
#include "mozilla/dom/ToJSValue.h"
#include "nsComponentManagerUtils.h"
#include "nsContentPermissionHelper.h"
#include "nsXULAppAPI.h"
#include "mozilla/dom/PBrowserChild.h"
#include "mozilla/Preferences.h"
#include "nsGlobalWindow.h"
#include "nsIScriptSecurityManager.h"
#include "nsServiceManagerUtils.h"
#include "PermissionMessageUtils.h"
#include "nsILoadContext.h"
namespace mozilla {
namespace dom {
/*
* Simple Request
*/
class DesktopNotificationRequest : public nsIContentPermissionRequest
, public Runnable
{
virtual ~DesktopNotificationRequest()
{
}
nsCOMPtr<nsIContentPermissionRequester> mRequester;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICONTENTPERMISSIONREQUEST
explicit DesktopNotificationRequest(DesktopNotification* aNotification)
: mDesktopNotification(aNotification)
{
mRequester = new nsContentPermissionRequester(mDesktopNotification->GetOwner());
}
NS_IMETHOD Run() override
{
nsCOMPtr<nsPIDOMWindowInner> window = mDesktopNotification->GetOwner();
nsContentPermissionUtils::AskPermission(this, window);
return NS_OK;
}
RefPtr<DesktopNotification> mDesktopNotification;
};
/* ------------------------------------------------------------------------ */
/* AlertServiceObserver */
/* ------------------------------------------------------------------------ */
NS_IMPL_ISUPPORTS(AlertServiceObserver, nsIObserver)
/* ------------------------------------------------------------------------ */
/* DesktopNotification */
/* ------------------------------------------------------------------------ */
uint32_t DesktopNotification::sCount = 0;
nsresult
DesktopNotification::PostDesktopNotification()
{
if (!mObserver) {
mObserver = new AlertServiceObserver(this);
}
nsCOMPtr<nsIAlertsService> alerts = do_GetService("@mozilla.org/alerts-service;1");
if (!alerts) {
return NS_ERROR_NOT_IMPLEMENTED;
}
// Generate a unique name (which will also be used as a cookie) because
// the nsIAlertsService will coalesce notifications with the same name.
// In the case of IPC, the parent process will use the cookie to map
// to nsIObservers, thus cookies must be unique to differentiate observers.
nsString uniqueName = NS_LITERAL_STRING("desktop-notification:");
uniqueName.AppendInt(sCount++);
nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner();
if (!owner) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDocument> doc = owner->GetDoc();
nsIPrincipal* principal = doc->NodePrincipal();
nsCOMPtr<nsILoadContext> loadContext = doc->GetLoadContext();
bool inPrivateBrowsing = loadContext && loadContext->UsePrivateBrowsing();
nsCOMPtr<nsIAlertNotification> alert =
do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
NS_ENSURE_TRUE(alert, NS_ERROR_FAILURE);
nsresult rv = alert->Init(uniqueName, mIconURL, mTitle,
mDescription,
true,
uniqueName,
NS_LITERAL_STRING("auto"),
EmptyString(),
EmptyString(),
principal,
inPrivateBrowsing,
false /* requireInteraction */);
NS_ENSURE_SUCCESS(rv, rv);
return alerts->ShowAlert(alert, mObserver);
}
DesktopNotification::DesktopNotification(const nsAString & title,
const nsAString & description,
const nsAString & iconURL,
nsPIDOMWindowInner* aWindow,
nsIPrincipal* principal)
: DOMEventTargetHelper(aWindow)
, mTitle(title)
, mDescription(description)
, mIconURL(iconURL)
, mPrincipal(principal)
, mAllow(false)
, mShowHasBeenCalled(false)
{
if (Preferences::GetBool("notification.disabled", false)) {
return;
}
// If we are in testing mode (running mochitests, for example)
// and we are suppose to allow requests, then just post an allow event.
if (Preferences::GetBool("notification.prompt.testing", false) &&
Preferences::GetBool("notification.prompt.testing.allow", true)) {
mAllow = true;
}
}
void
DesktopNotification::Init()
{
RefPtr<DesktopNotificationRequest> request = new DesktopNotificationRequest(this);
NS_DispatchToMainThread(request);
}
DesktopNotification::~DesktopNotification()
{
if (mObserver) {
mObserver->Disconnect();
}
}
void
DesktopNotification::DispatchNotificationEvent(const nsString& aName)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
// it doesn't bubble, and it isn't cancelable
event->InitEvent(aName, false, false);
event->SetTrusted(true);
DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
nsresult
DesktopNotification::SetAllow(bool aAllow)
{
mAllow = aAllow;
// if we have called Show() already, lets go ahead and post a notification
if (mShowHasBeenCalled && aAllow) {
return PostDesktopNotification();
}
return NS_OK;
}
void
DesktopNotification::HandleAlertServiceNotification(const char *aTopic)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
if (!strcmp("alertclickcallback", aTopic)) {
DispatchNotificationEvent(NS_LITERAL_STRING("click"));
} else if (!strcmp("alertfinished", aTopic)) {
DispatchNotificationEvent(NS_LITERAL_STRING("close"));
}
}
void
DesktopNotification::Show(ErrorResult& aRv)
{
mShowHasBeenCalled = true;
if (!mAllow) {
return;
}
aRv = PostDesktopNotification();
}
JSObject*
DesktopNotification::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DesktopNotificationBinding::Wrap(aCx, this, aGivenProto);
}
/* ------------------------------------------------------------------------ */
/* DesktopNotificationCenter */
/* ------------------------------------------------------------------------ */
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(DesktopNotificationCenter)
NS_IMPL_CYCLE_COLLECTING_ADDREF(DesktopNotificationCenter)
NS_IMPL_CYCLE_COLLECTING_RELEASE(DesktopNotificationCenter)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DesktopNotificationCenter)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
already_AddRefed<DesktopNotification>
DesktopNotificationCenter::CreateNotification(const nsAString& aTitle,
const nsAString& aDescription,
const nsAString& aIconURL)
{
MOZ_ASSERT(mOwner);
RefPtr<DesktopNotification> notification =
new DesktopNotification(aTitle,
aDescription,
aIconURL,
mOwner,
mPrincipal);
notification->Init();
return notification.forget();
}
JSObject*
DesktopNotificationCenter::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DesktopNotificationCenterBinding::Wrap(aCx, this, aGivenProto);
}
/* ------------------------------------------------------------------------ */
/* DesktopNotificationRequest */
/* ------------------------------------------------------------------------ */
NS_IMPL_ISUPPORTS_INHERITED(DesktopNotificationRequest, Runnable,
nsIContentPermissionRequest)
NS_IMETHODIMP
DesktopNotificationRequest::GetPrincipal(nsIPrincipal * *aRequestingPrincipal)
{
if (!mDesktopNotification) {
return NS_ERROR_NOT_INITIALIZED;
}
NS_IF_ADDREF(*aRequestingPrincipal = mDesktopNotification->mPrincipal);
return NS_OK;
}
NS_IMETHODIMP
DesktopNotificationRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
{
if (!mDesktopNotification) {
return NS_ERROR_NOT_INITIALIZED;
}
NS_IF_ADDREF(*aRequestingWindow = mDesktopNotification->GetOwner());
return NS_OK;
}
NS_IMETHODIMP
DesktopNotificationRequest::GetElement(nsIDOMElement * *aElement)
{
NS_ENSURE_ARG_POINTER(aElement);
*aElement = nullptr;
return NS_OK;
}
NS_IMETHODIMP
DesktopNotificationRequest::Cancel()
{
nsresult rv = mDesktopNotification->SetAllow(false);
mDesktopNotification = nullptr;
return rv;
}
NS_IMETHODIMP
DesktopNotificationRequest::Allow(JS::HandleValue aChoices)
{
MOZ_ASSERT(aChoices.isUndefined());
nsresult rv = mDesktopNotification->SetAllow(true);
mDesktopNotification = nullptr;
return rv;
}
NS_IMETHODIMP
DesktopNotificationRequest::GetRequester(nsIContentPermissionRequester** aRequester)
{
NS_ENSURE_ARG_POINTER(aRequester);
nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
requester.forget(aRequester);
return NS_OK;
}
NS_IMETHODIMP
DesktopNotificationRequest::GetTypes(nsIArray** aTypes)
{
nsTArray<nsString> emptyOptions;
return nsContentPermissionUtils::CreatePermissionArray(NS_LITERAL_CSTRING("desktop-notification"),
NS_LITERAL_CSTRING("unused"),
emptyOptions,
aTypes);
}
} // namespace dom
} // namespace mozilla