Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 216 insertions, 0 deletions

diff --git a/apple_remote/source/MultiClickRemoteBehavior.m b/apple_remote/source/MultiClickRemoteBehavior.m
new file mode 100644
index 000000000..f69f13a98
--- /dev/null
+++ b/apple_remote/source/MultiClickRemoteBehavior.m
@@ -0,0 +1,216 @@
+/* -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*****************************************************************************
+ * MultiClickRemoteBehavior.m
+ * 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 "MultiClickRemoteBehavior.h"
+
+static const NSTimeInterval DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE = 0.35;
+static const NSTimeInterval HOLD_RECOGNITION_TIME_INTERVAL = 0.4;
+
+@implementation MultiClickRemoteBehavior
+
+- (id) init {
+	if ( (self = [super init]) ) {
+		maxClickTimeDifference = DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE;
+	}
+	return self;
+}
+
+// Delegates are not retained!
+// http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CommunicatingWithObjects/chapter_6_section_4.html
+// Delegating objects do not (and should not) retain their delegates.
+// However, clients of delegating objects (applications, usually) are responsible for ensuring that their delegates are around
+// to receive delegation messages. To do this, they may have to retain the delegate.
+- (void) setDelegate: (id) _delegate {
+	if ( _delegate && ( [_delegate respondsToSelector:@selector(remoteButton:pressedDown:clickCount:)] == NO )) return; // return what ?
+
+	delegate = _delegate;
+}
+- (id) delegate {
+	return delegate;
+}
+
+- (BOOL) simulateHoldEvent {
+	return simulateHoldEvents;
+}
+- (void) setSimulateHoldEvent: (BOOL) value {
+	simulateHoldEvents = value;
+}
+
+- (BOOL) simulatesHoldForButtonIdentifier: (RemoteControlEventIdentifier) identifier remoteControl: (RemoteControl*) remoteControl {
+	// we do that check only for the normal button identifiers as we would check for hold support for hold events instead
+	if (identifier > (1 << EVENT_TO_HOLD_EVENT_OFFSET)) return NO;
+
+	return [self simulateHoldEvent] && [remoteControl sendsEventForButtonIdentifier: (identifier << EVENT_TO_HOLD_EVENT_OFFSET)]==NO;
+}
+
+- (BOOL) clickCountingEnabled {
+	return clickCountEnabledButtons != 0;
+}
+- (void) setClickCountingEnabled: (BOOL) value {
+	if (value) {
+       [self setClickCountEnabledButtons: kRemoteButtonPlus | kRemoteButtonMinus | kRemoteButtonPlay | kRemoteButtonLeft | kRemoteButtonRight | kRemoteButtonMenu | kMetallicRemote2009ButtonPlay | kMetallicRemote2009ButtonMiddlePlay];
+	} else {
+		[self setClickCountEnabledButtons: 0];
+	}
+}
+
+- (unsigned int) clickCountEnabledButtons {
+	return clickCountEnabledButtons;
+}
+- (void) setClickCountEnabledButtons: (unsigned int)value {
+	clickCountEnabledButtons = value;
+}
+
+- (NSTimeInterval) maximumClickCountTimeDifference {
+	return maxClickTimeDifference;
+}
+- (void) setMaximumClickCountTimeDifference: (NSTimeInterval) timeDiff {
+	maxClickTimeDifference = timeDiff;
+}
+
+- (void) sendSimulatedHoldEvent: (id) time {
+	BOOL startSimulateHold = NO;
+	RemoteControlEventIdentifier event = lastHoldEvent;
+	@synchronized(self) {
+		startSimulateHold = (lastHoldEvent>0 && lastHoldEventTime == [time doubleValue]);
+	}
+	if (startSimulateHold) {
+		lastEventSimulatedHold = YES;
+		event = (event << EVENT_TO_HOLD_EVENT_OFFSET);
+		[delegate remoteButton:event pressedDown: YES clickCount: 1];
+	}
+}
+
+- (void) executeClickCountEvent: (NSArray*) values {
+	RemoteControlEventIdentifier event = [[values objectAtIndex: 0] unsignedIntValue];
+	NSTimeInterval eventTimePoint = [[values objectAtIndex: 1] doubleValue];
+
+	BOOL finishedClicking = NO;
+	int finalClickCount = eventClickCount;
+
+	@synchronized(self) {
+		finishedClicking = (event != lastClickCountEvent || eventTimePoint == lastClickCountEventTime);
+		if (finishedClicking) {
+			eventClickCount = 0;
+			lastClickCountEvent = 0;
+			lastClickCountEventTime = 0;
+		}
+	}
+
+	if (finishedClicking) {
+		[delegate remoteButton:event pressedDown: YES clickCount:finalClickCount];
+		// trigger a button release event, too
+		[NSThread sleepUntilDate: [NSDate dateWithTimeIntervalSinceNow:0.1]];
+		[delegate remoteButton:event pressedDown: NO clickCount:finalClickCount];
+	}
+}
+
+- (void) sendRemoteButtonEvent: (RemoteControlEventIdentifier) event pressedDown: (BOOL) pressedDown remoteControl: (RemoteControl*) remoteControl {
+	if (!delegate)  return;
+
+	BOOL clickCountingForEvent = ([self clickCountEnabledButtons] & event) == event;
+
+	if ([self simulatesHoldForButtonIdentifier: event remoteControl: remoteControl] && lastClickCountEvent==0) {
+		if (pressedDown) {
+			// wait to see if it is a hold
+			lastHoldEvent = event;
+			lastHoldEventTime = [NSDate timeIntervalSinceReferenceDate];
+			[self performSelector:@selector(sendSimulatedHoldEvent:)
+					   withObject:[NSNumber numberWithDouble:lastHoldEventTime]
+					   afterDelay:HOLD_RECOGNITION_TIME_INTERVAL];
+			return;
+		} else {
+			if (lastEventSimulatedHold) {
+				// it was a hold
+				// send an event for "hold release"
+				event = (event << EVENT_TO_HOLD_EVENT_OFFSET);
+				lastHoldEvent = 0;
+				lastEventSimulatedHold = NO;
+
+				[delegate remoteButton:event pressedDown: pressedDown clickCount:1];
+				return;
+			} else {
+				RemoteControlEventIdentifier previousEvent = lastHoldEvent;
+				@synchronized(self) {
+					lastHoldEvent = 0;
+				}
+
+				// in case click counting is enabled we have to setup the state for that, too
+				if (clickCountingForEvent) {
+					lastClickCountEvent = previousEvent;
+					lastClickCountEventTime = lastHoldEventTime;
+					NSNumber* eventNumber;
+					NSNumber* timeNumber;
+					eventClickCount = 1;
+					timeNumber = [NSNumber numberWithDouble:lastClickCountEventTime];
+					eventNumber= [NSNumber numberWithUnsignedInt:previousEvent];
+					NSTimeInterval diffTime = maxClickTimeDifference-([NSDate timeIntervalSinceReferenceDate]-lastHoldEventTime);
+					[self performSelector: @selector(executeClickCountEvent:)
+							   withObject: [NSArray arrayWithObjects:eventNumber, timeNumber, nil]
+							   afterDelay: diffTime];
+					// we do not return here because we are still in the press-release event
+					// that will be consumed below
+				} else {
+					// trigger the pressed down event that we consumed first
+					[delegate remoteButton:event pressedDown: YES clickCount:1];
+				}
+			}
+		}
+	}
+
+	if (clickCountingForEvent) {
+		if (pressedDown == NO) return;
+
+		NSNumber* eventNumber;
+		NSNumber* timeNumber;
+		@synchronized(self) {
+			lastClickCountEventTime = [NSDate timeIntervalSinceReferenceDate];
+			if (lastClickCountEvent == event) {
+				eventClickCount = eventClickCount + 1;
+			} else {
+				eventClickCount = 1;
+			}
+			lastClickCountEvent = event;
+			timeNumber = [NSNumber numberWithDouble:lastClickCountEventTime];
+			eventNumber= [NSNumber numberWithUnsignedInt:event];
+		}
+		[self performSelector: @selector(executeClickCountEvent:)
+				   withObject: [NSArray arrayWithObjects:eventNumber, timeNumber, nil]
+				   afterDelay: maxClickTimeDifference];
+	} else {
+		[delegate remoteButton:event pressedDown: pressedDown clickCount:1];
+	}
+
+}
+
+@end
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */