WebNotificationPresenter.h   [plain text]

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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#ifndef WebNotificationPresenter_h
#define WebNotificationPresenter_h

#include "WebNotificationPermissionCallback.h"
#include "WebSecurityOrigin.h"
#include "WebString.h"

namespace WebKit {

class WebDocument;
class WebNotification;
class WebURL;

// Provides the services to show desktop notifications to the user.
class WebNotificationPresenter {
public:
    enum Permission {
        PermissionAllowed,     // User has allowed permission to the origin.
        PermissionNotAllowed,  // User has not taken an action on the origin (defaults to not allowed).
        PermissionDenied       // User has explicitly denied permission from the origin.
    };

    // Shows a notification.
    virtual bool show(const WebNotification&) = 0;

    // Cancels a notification previously shown, and removes it if being shown.
    virtual void cancel(const WebNotification&) = 0;

    // Indiciates that the notification object subscribed to events for a previously shown notification is
    // being destroyed.  Does _not_ remove the notification if being shown, but detaches it from receiving events.
    virtual void objectDestroyed(const WebNotification&) = 0;

    // Checks the permission level for the given origin.
    virtual Permission checkPermission(const WebURL&) = 0;

    // Requests permission for a given origin.  This operation is asynchronous and the callback provided
    // will be invoked when the permission decision is made.  Callback pointer must remain
    // valid until called.
    virtual void requestPermission(const WebSecurityOrigin&, WebNotificationPermissionCallback*) = 0;
};

} // namespace WebKit

#endif