зеркало из https://github.com/mozilla/gecko-dev.git
349 строки
11 KiB
C++
349 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/DesktopNotification.h"
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#include "mozilla/dom/DesktopNotificationBinding.h"
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#include "mozilla/dom/AppNotificationServiceOptionsBinding.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "nsComponentManagerUtils.h"
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#include "nsContentPermissionHelper.h"
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#include "nsXULAppAPI.h"
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#include "mozilla/dom/PBrowserChild.h"
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#include "nsIDOMDesktopNotification.h"
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#include "mozilla/Preferences.h"
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#include "nsGlobalWindow.h"
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#include "nsIAppsService.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsServiceManagerUtils.h"
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#include "PermissionMessageUtils.h"
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#include "nsILoadContext.h"
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namespace mozilla {
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namespace dom {
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/*
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* Simple Request
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*/
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class DesktopNotificationRequest : public nsIContentPermissionRequest
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, public Runnable
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{
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virtual ~DesktopNotificationRequest()
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{
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}
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nsCOMPtr<nsIContentPermissionRequester> mRequester;
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSICONTENTPERMISSIONREQUEST
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explicit DesktopNotificationRequest(DesktopNotification* aNotification)
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: mDesktopNotification(aNotification)
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{
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mRequester = new nsContentPermissionRequester(mDesktopNotification->GetOwner());
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}
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NS_IMETHOD Run() override
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{
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nsCOMPtr<nsPIDOMWindowInner> window = mDesktopNotification->GetOwner();
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nsContentPermissionUtils::AskPermission(this, window);
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return NS_OK;
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}
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RefPtr<DesktopNotification> mDesktopNotification;
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};
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/* ------------------------------------------------------------------------ */
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/* AlertServiceObserver */
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/* ------------------------------------------------------------------------ */
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NS_IMPL_ISUPPORTS(AlertServiceObserver, nsIObserver)
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/* ------------------------------------------------------------------------ */
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/* DesktopNotification */
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/* ------------------------------------------------------------------------ */
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uint32_t DesktopNotification::sCount = 0;
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nsresult
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DesktopNotification::PostDesktopNotification()
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{
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if (!mObserver) {
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mObserver = new AlertServiceObserver(this);
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}
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#ifdef MOZ_B2G
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nsCOMPtr<nsIAppNotificationService> appNotifier =
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do_GetService("@mozilla.org/system-alerts-service;1");
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if (appNotifier) {
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nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
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uint32_t appId = window ? window->GetDoc()->NodePrincipal()->GetAppId()
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: nsIScriptSecurityManager::UNKNOWN_APP_ID;
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if (appId != nsIScriptSecurityManager::UNKNOWN_APP_ID) {
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nsCOMPtr<nsIAppsService> appsService = do_GetService("@mozilla.org/AppsService;1");
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nsString manifestUrl = EmptyString();
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appsService->GetManifestURLByLocalId(appId, manifestUrl);
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mozilla::AutoSafeJSContext cx;
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JS::Rooted<JS::Value> val(cx);
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AppNotificationServiceOptions ops;
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ops.mTextClickable = true;
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ops.mManifestURL = manifestUrl;
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if (!ToJSValue(cx, ops, &val)) {
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return NS_ERROR_FAILURE;
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}
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return appNotifier->ShowAppNotification(mIconURL, mTitle, mDescription,
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mObserver, val);
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}
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}
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#endif
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nsCOMPtr<nsIAlertsService> alerts = do_GetService("@mozilla.org/alerts-service;1");
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if (!alerts) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// Generate a unique name (which will also be used as a cookie) because
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// the nsIAlertsService will coalesce notifications with the same name.
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// In the case of IPC, the parent process will use the cookie to map
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// to nsIObservers, thus cookies must be unique to differentiate observers.
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nsString uniqueName = NS_LITERAL_STRING("desktop-notification:");
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uniqueName.AppendInt(sCount++);
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nsCOMPtr<nsPIDOMWindowInner> owner = GetOwner();
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if (!owner) {
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return NS_ERROR_FAILURE;
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}
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nsCOMPtr<nsIDocument> doc = owner->GetDoc();
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nsIPrincipal* principal = doc->NodePrincipal();
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nsCOMPtr<nsILoadContext> loadContext = doc->GetLoadContext();
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bool inPrivateBrowsing = loadContext && loadContext->UsePrivateBrowsing();
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nsCOMPtr<nsIAlertNotification> alert =
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do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
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NS_ENSURE_TRUE(alert, NS_ERROR_FAILURE);
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nsresult rv = alert->Init(uniqueName, mIconURL, mTitle,
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mDescription,
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true,
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uniqueName,
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NS_LITERAL_STRING("auto"),
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EmptyString(),
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EmptyString(),
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principal,
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inPrivateBrowsing);
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NS_ENSURE_SUCCESS(rv, rv);
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return alerts->ShowAlert(alert, mObserver);
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}
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DesktopNotification::DesktopNotification(const nsAString & title,
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const nsAString & description,
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const nsAString & iconURL,
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nsPIDOMWindowInner* aWindow,
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nsIPrincipal* principal)
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: DOMEventTargetHelper(aWindow)
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, mTitle(title)
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, mDescription(description)
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, mIconURL(iconURL)
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, mPrincipal(principal)
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, mAllow(false)
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, mShowHasBeenCalled(false)
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{
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if (Preferences::GetBool("notification.disabled", false)) {
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return;
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}
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// If we are in testing mode (running mochitests, for example)
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// and we are suppose to allow requests, then just post an allow event.
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if (Preferences::GetBool("notification.prompt.testing", false) &&
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Preferences::GetBool("notification.prompt.testing.allow", true)) {
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mAllow = true;
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}
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}
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void
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DesktopNotification::Init()
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{
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RefPtr<DesktopNotificationRequest> request = new DesktopNotificationRequest(this);
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NS_DispatchToMainThread(request);
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}
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DesktopNotification::~DesktopNotification()
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{
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if (mObserver) {
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mObserver->Disconnect();
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}
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}
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void
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DesktopNotification::DispatchNotificationEvent(const nsString& aName)
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{
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if (NS_FAILED(CheckInnerWindowCorrectness())) {
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return;
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}
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RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
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// it doesn't bubble, and it isn't cancelable
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event->InitEvent(aName, false, false);
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event->SetTrusted(true);
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DispatchDOMEvent(nullptr, event, nullptr, nullptr);
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}
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nsresult
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DesktopNotification::SetAllow(bool aAllow)
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{
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mAllow = aAllow;
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// if we have called Show() already, lets go ahead and post a notification
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if (mShowHasBeenCalled && aAllow) {
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return PostDesktopNotification();
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}
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return NS_OK;
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}
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void
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DesktopNotification::HandleAlertServiceNotification(const char *aTopic)
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{
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if (NS_FAILED(CheckInnerWindowCorrectness())) {
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return;
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}
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if (!strcmp("alertclickcallback", aTopic)) {
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DispatchNotificationEvent(NS_LITERAL_STRING("click"));
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} else if (!strcmp("alertfinished", aTopic)) {
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DispatchNotificationEvent(NS_LITERAL_STRING("close"));
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}
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}
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void
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DesktopNotification::Show(ErrorResult& aRv)
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{
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mShowHasBeenCalled = true;
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if (!mAllow) {
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return;
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}
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aRv = PostDesktopNotification();
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}
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JSObject*
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DesktopNotification::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return DesktopNotificationBinding::Wrap(aCx, this, aGivenProto);
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}
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/* ------------------------------------------------------------------------ */
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/* DesktopNotificationCenter */
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/* ------------------------------------------------------------------------ */
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(DesktopNotificationCenter)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(DesktopNotificationCenter)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(DesktopNotificationCenter)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DesktopNotificationCenter)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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already_AddRefed<DesktopNotification>
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DesktopNotificationCenter::CreateNotification(const nsAString& aTitle,
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const nsAString& aDescription,
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const nsAString& aIconURL)
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{
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MOZ_ASSERT(mOwner);
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RefPtr<DesktopNotification> notification =
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new DesktopNotification(aTitle,
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aDescription,
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aIconURL,
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mOwner,
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mPrincipal);
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notification->Init();
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return notification.forget();
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}
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JSObject*
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DesktopNotificationCenter::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return DesktopNotificationCenterBinding::Wrap(aCx, this, aGivenProto);
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}
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/* ------------------------------------------------------------------------ */
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/* DesktopNotificationRequest */
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/* ------------------------------------------------------------------------ */
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NS_IMPL_ISUPPORTS_INHERITED(DesktopNotificationRequest, Runnable,
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nsIContentPermissionRequest)
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NS_IMETHODIMP
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DesktopNotificationRequest::GetPrincipal(nsIPrincipal * *aRequestingPrincipal)
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{
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if (!mDesktopNotification) {
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return NS_ERROR_NOT_INITIALIZED;
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}
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NS_IF_ADDREF(*aRequestingPrincipal = mDesktopNotification->mPrincipal);
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return NS_OK;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
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{
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if (!mDesktopNotification) {
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return NS_ERROR_NOT_INITIALIZED;
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}
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NS_IF_ADDREF(*aRequestingWindow = mDesktopNotification->GetOwner());
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return NS_OK;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::GetElement(nsIDOMElement * *aElement)
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{
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NS_ENSURE_ARG_POINTER(aElement);
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*aElement = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::Cancel()
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{
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nsresult rv = mDesktopNotification->SetAllow(false);
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mDesktopNotification = nullptr;
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return rv;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::Allow(JS::HandleValue aChoices)
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{
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MOZ_ASSERT(aChoices.isUndefined());
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nsresult rv = mDesktopNotification->SetAllow(true);
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mDesktopNotification = nullptr;
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return rv;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::GetRequester(nsIContentPermissionRequester** aRequester)
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{
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NS_ENSURE_ARG_POINTER(aRequester);
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nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
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requester.forget(aRequester);
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return NS_OK;
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}
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NS_IMETHODIMP
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DesktopNotificationRequest::GetTypes(nsIArray** aTypes)
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{
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nsTArray<nsString> emptyOptions;
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return nsContentPermissionUtils::CreatePermissionArray(NS_LITERAL_CSTRING("desktop-notification"),
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NS_LITERAL_CSTRING("unused"),
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emptyOptions,
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aTypes);
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}
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} // namespace dom
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} // namespace mozilla
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