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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/. */
#ifndef mozilla_dom_DesktopNotification_h
#define mozilla_dom_DesktopNotification_h
#include "nsIPrincipal.h"
#include "nsIAlertsService.h"
#include "nsIContentPermissionPrompt.h"
#include "nsIObserver.h"
#include "nsString.h"
#include "nsWeakPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIDOMWindow.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsIDOMEvent.h"
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "nsWrapperCache.h"
namespace mozilla {
namespace dom {
class AlertServiceObserver;
class DesktopNotification;
/*
* DesktopNotificationCenter
* Object hangs off of the navigator object and hands out DesktopNotification objects
*/
class DesktopNotificationCenter final : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DesktopNotificationCenter)
explicit DesktopNotificationCenter(nsPIDOMWindowInner* aWindow)
{
MOZ_ASSERT(aWindow);
mOwner = aWindow;
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aWindow);
MOZ_ASSERT(sop);
mPrincipal = sop->GetPrincipal();
MOZ_ASSERT(mPrincipal);
}
void Shutdown() {
mOwner = nullptr;
}
nsPIDOMWindowInner* GetParentObject() const
{
return mOwner;
}
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
already_AddRefed<DesktopNotification>
CreateNotification(const nsAString& title,
const nsAString& description,
const nsAString& iconURL);
private:
virtual ~DesktopNotificationCenter()
{
}
nsCOMPtr<nsPIDOMWindowInner> mOwner;
nsCOMPtr<nsIPrincipal> mPrincipal;
};
class DesktopNotificationRequest;
class DesktopNotification final : public DOMEventTargetHelper
{
friend class DesktopNotificationRequest;
public:
DesktopNotification(const nsAString& aTitle,
const nsAString& aDescription,
const nsAString& aIconURL,
nsPIDOMWindowInner* aWindow,
nsIPrincipal* principal);
virtual ~DesktopNotification();
void Init();
/*
* PostDesktopNotification
* Uses alert service to display a notification
*/
nsresult PostDesktopNotification();
nsresult SetAllow(bool aAllow);
/*
* Creates and dispatches a dom event of type aName
*/
void DispatchNotificationEvent(const nsString& aName);
void HandleAlertServiceNotification(const char *aTopic);
// WebIDL
nsPIDOMWindowInner* GetParentObject() const
{
return GetOwner();
}
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
void Show(ErrorResult& aRv);
IMPL_EVENT_HANDLER(click)
IMPL_EVENT_HANDLER(close)
protected:
nsString mTitle;
nsString mDescription;
nsString mIconURL;
RefPtr<AlertServiceObserver> mObserver;
nsCOMPtr<nsIPrincipal> mPrincipal;
bool mAllow;
bool mShowHasBeenCalled;
static uint32_t sCount;
};
class AlertServiceObserver: public nsIObserver
{
public:
NS_DECL_ISUPPORTS
explicit AlertServiceObserver(DesktopNotification* notification)
: mNotification(notification) {}
void Disconnect() { mNotification = nullptr; }
NS_IMETHOD
Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData) override
{
// forward to parent
if (mNotification) {
#ifdef MOZ_B2G
if (NS_FAILED(mNotification->CheckInnerWindowCorrectness()))
return NS_ERROR_NOT_AVAILABLE;
#endif
mNotification->HandleAlertServiceNotification(aTopic);
}
return NS_OK;
};
private:
virtual ~AlertServiceObserver() {}
DesktopNotification* mNotification;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_DesktopNotification_h */
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