Quelle MultiClickRemoteBehavior.h Sprache: C

/* -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*****************************************************************************
* MultiClickRemoteBehavior.h
* RemoteControlWrapper
*
* Created by Martin Kahr on 11.03.06 under a MIT-style license.
* Copyright (c) 2006 martinkahr.com. All rights reserved.
*
* Code modified and adapted to OpenOffice.org
* by Eric Bachard on 11.08.2008 under the same License
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*****************************************************************************/

#import <apple_remote/RemoteControl.h>

/**
    A behavior that adds multiclick and hold events on top of a device.
    Events are generated and send to a delegate
*/
@interface MultiClickRemoteBehavior : NSObject
{
    id delegate;

    // state for simulating plus/minus hold
    BOOL simulateHoldEvents;
    BOOL lastEventSimulatedHold;
    RemoteControlEventIdentifier lastHoldEvent;
    NSTimeInterval lastHoldEventTime;

    // state for multi click
    unsigned int clickCountEnabledButtons;
    NSTimeInterval maxClickTimeDifference;
    NSTimeInterval lastClickCountEventTime;
    RemoteControlEventIdentifier lastClickCountEvent;
    unsigned int eventClickCount;
}

- (id)init;

// Delegates are not retained
- (void)setDelegate:(id)delegate;
- (id)delegate;

// Simulating hold events does deactivate sending of individual requests for pressed down/released.
// Instead special hold events are being triggered when the user is pressing and holding a button for a small period.
// Simulation is activated only for those buttons and remote control that do not have a separate event already
- (BOOL)simulateHoldEvent;
- (void)setSimulateHoldEvent:(BOOL)value;

// click counting makes it possible to recognize if the user has pressed a button repeatedly
// click counting does delay each event as it has to wait if there is another event (second click)
// therefore there is a slight time difference (maximumClickCountTimeDifference) between a single click
// of the user and the call of your delegate method
// click counting can be enabled individually for specific buttons. Use the property clickCountEnableButtons to
// set the buttons for which click counting shall be enabled
- (BOOL)clickCountingEnabled;
- (void)setClickCountingEnabled:(BOOL)value;

- (unsigned int)clickCountEnabledButtons;
- (void)setClickCountEnabledButtons:(unsigned int)value;

// the maximum time difference till which clicks are recognized as multi clicks
- (NSTimeInterval)maximumClickCountTimeDifference;
- (void)setMaximumClickCountTimeDifference:(NSTimeInterval)timeDiff;

@end

/*
* Method definitions for the delegate of the MultiClickRemoteBehavior class
*/
@interface NSObject (MultiClickRemoteBehaviorDelegate)

- (void)remoteButton:(RemoteControlEventIdentifier)buttonIdentifier
         pressedDown:(BOOL)pressedDown
          clickCount:(unsigned int)count;

@end

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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