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32 #ifndef NotificationPresenter_h
33 #define NotificationPresenter_h
35 #include <wtf/PassRefPtr.h>
36 #include "VoidCallback.h"
43 class ScriptExecutionContext;
45 class NotificationPresenter {
49 PermissionAllowed, // User has allowed notifications
50 PermissionNotAllowed, // User has not yet allowed
51 PermissionDenied // User has explicitly denied permission
54 // Requests that a notification be shown.
55 virtual bool show(Notification*) = 0;
57 // Requests that a notification that has already been shown be canceled.
58 virtual void cancel(Notification*) = 0;
60 // Informs the presenter that a Notification object has been destroyed
61 // (such as by a page transition). The presenter may continue showing
62 // the notification, but must not attempt to call the event handlers.
63 virtual void notificationObjectDestroyed(Notification*) = 0;
65 // Requests user permission to show desktop notifications from a particular
66 // script context. The callback parameter should be run when the user has
68 virtual void requestPermission(ScriptExecutionContext*, PassRefPtr<VoidCallback>) = 0;
70 // Cancel all outstanding requests for the ScriptExecutionContext
71 virtual void cancelRequestsForPermission(ScriptExecutionContext*) = 0;
73 // Checks the current level of permission.
74 virtual Permission checkPermission(ScriptExecutionContext*) = 0;
77 virtual ~NotificationPresenter() { }
80 } // namespace WebCore
82 #endif // NotificationPresenter_h