iOS Example - DropIn-Player: add automatic hiding of the UI elements after 5 secs

Examples_iOS/DropIn-Player/Dropin-Player/VDLPlaybackViewController.h

@@ -42,6 +42,7 @@
 
 - (IBAction)closePlayback:(id)sender;
 
+- (IBAction)positionSliderDrag:(id)sender;
 - (IBAction)positionSliderAction:(id)sender;
 - (IBAction)toggleTimeDisplay:(id)sender;
 

Examples_iOS/DropIn-Player/Dropin-Player/VDLPlaybackViewController.m

@@ -36,6 +36,7 @@
     UIActionSheet *_audiotrackActionSheet;
     UIActionSheet *_subtitleActionSheet;
     NSURL *_url;
+    NSTimer *_idleTimer;
 }
 
 @end
@@ -62,6 +63,18 @@
     self.toolbar.frame = rect;
     [self.timeDisplay setTitle:@"" forState:UIControlStateNormal];
 
+    /* this looks a bit weird, but let's try to support iOS 5 */
+    UISlider *volumeSlider = nil;
+    for (id aView in self.volumeView.subviews){
+        if ([[[aView class] description] isEqualToString:@"MPVolumeSlider"]){
+            volumeSlider = (UISlider *)aView;
+            break;
+        }
+    }
+    [volumeSlider addTarget:self
+                     action:@selector(volumeSliderAction:)
+           forControlEvents:UIControlEventValueChanged];
+
     /* setup gesture recognizer to toggle controls' visibility */
     _movieView.userInteractionEnabled = NO;
     UITapGestureRecognizer *tapOnVideoRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleControlsVisible)];
@@ -106,6 +119,11 @@
     _mediaplayer.media = [VLCMedia mediaWithURL:_url];
 
     [_mediaplayer play];
+
+    if (self.controllerPanel.hidden)
+        [self toggleControlsVisible];
+
+    [self _resetIdleTimer];
 }
 
 
@@ -129,12 +147,25 @@
             _mediaplayer = nil;
     }
 
+    if (_idleTimer) {
+        [_idleTimer invalidate];
+        _idleTimer = nil;
+    }
+
     [self.navigationController setNavigationBarHidden:NO animated:YES];
     [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
 }
 
+- (UIResponder *)nextResponder
+{
+    [self _resetIdleTimer];
+    return [super nextResponder];
+}
+
 - (IBAction)positionSliderAction:(UISlider *)sender
 {
+    [self _resetIdleTimer];
+
     /* we need to limit the number of events sent by the slider, since otherwise, the user
      * wouldn't see the I-frames when seeking on current mobile devices. This isn't a problem
      * within the Simulator, but especially on older ARMv7 devices, it's clearly noticeable. */
@@ -150,6 +181,16 @@
     }
 }
 
+- (IBAction)positionSliderDrag:(id)sender
+{
+    [self _resetIdleTimer];
+}
+
+- (IBAction)volumeSliderAction:(id)sender
+{
+    [self _resetIdleTimer];
+}
+
 - (void)mediaPlayerStateChanged:(NSNotification *)aNotification
 {
     VLCMediaPlayerState currentState = _mediaplayer.state;
@@ -177,6 +218,7 @@
 
 - (IBAction)toggleTimeDisplay:(id)sender
 {
+    [self _resetIdleTimer];
     _displayRemainingTime = !_displayRemainingTime;
 }
 
@@ -188,8 +230,32 @@
     [[UIApplication sharedApplication] setStatusBarHidden:controlsHidden withAnimation:UIStatusBarAnimationFade];
 }
 
+- (void)_resetIdleTimer
+{
+    if (!_idleTimer)
+        _idleTimer = [NSTimer scheduledTimerWithTimeInterval:5.
+                                                      target:self
+                                                    selector:@selector(idleTimerExceeded)
+                                                    userInfo:nil
+                                                     repeats:NO];
+    else {
+        if (fabs([_idleTimer.fireDate timeIntervalSinceNow]) < 5.)
+            [_idleTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:5.]];
+    }
+}
+
+- (void)idleTimerExceeded
+{
+    _idleTimer = nil;
+
+    if (!self.controllerPanel.hidden)
+        [self toggleControlsVisible];
+}
+
 - (IBAction)switchVideoDimensions:(id)sender
 {
+    [self _resetIdleTimer];
+
     NSUInteger count = [_aspectRatios count];
 
     if (_currentAspectRatioMask + 1 > count - 1) {

Examples_iOS/DropIn-Player/Dropin-Player/en.lproj/VDLPlaybackViewController.xib

@@ -36,7 +36,7 @@
 				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 			</object>
 			<object class="IBUIView" id="774585933">
-				<nil key="NSNextResponder"/>
+				<reference key="NSNextResponder"/>
 				<int key="NSvFlags">274</int>
 				<array class="NSMutableArray" key="NSSubviews">
 					<object class="IBUIView" id="970364256">
@@ -44,6 +44,7 @@
 						<int key="NSvFlags">274</int>
 						<string key="NSFrameSize">{320, 550}</string>
 						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="254588830"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<object class="NSColor" key="IBUIBackgroundColor">
@@ -58,6 +59,7 @@
 						<array class="NSMutableArray" key="NSSubviews"/>
 						<string key="NSFrameSize">{320, 44}</string>
 						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="897908297"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -79,6 +81,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{139, 13}, {44, 26}}</string>
 								<reference key="NSSuperview" ref="897908297"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="776049213"/>
 								<string key="NSReuseIdentifierKey">_NS:9</string>
 								<object class="NSColor" key="IBUIBackgroundColor" id="665591321">
@@ -117,6 +120,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 13}, {41, 26}}</string>
 								<reference key="NSSuperview" ref="897908297"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="695335035"/>
 								<string key="NSReuseIdentifierKey">_NS:9</string>
 								<reference key="IBUIBackgroundColor" ref="665591321"/>
@@ -139,6 +143,7 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{238, 13}, {62, 26}}</string>
 								<reference key="NSSuperview" ref="897908297"/>
+								<reference key="NSWindow"/>
 								<reference key="NSNextKeyView" ref="396325696"/>
 								<string key="NSReuseIdentifierKey">_NS:9</string>
 								<reference key="IBUIBackgroundColor" ref="665591321"/>
@@ -161,12 +166,14 @@
 								<int key="NSvFlags">292</int>
 								<string key="NSFrame">{{20, 47}, {284, 22}}</string>
 								<reference key="NSSuperview" ref="897908297"/>
+								<reference key="NSWindow"/>
 								<string key="NSReuseIdentifierKey">_NS:9</string>
 								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 							</object>
 						</array>
 						<string key="NSFrame">{{0, 408}, {320, 82}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="288523396"/>
 						<string key="NSReuseIdentifierKey">_NS:10</string>
 						<object class="NSColor" key="IBUIBackgroundColor">
@@ -177,6 +184,8 @@
 					</object>
 				</array>
 				<string key="NSFrame">{{0, 20}, {320, 548}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
 				<reference key="NSNextKeyView" ref="970364256"/>
 				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
 				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
@@ -200,7 +209,7 @@
 				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 			</object>
 			<object class="IBUIView" id="646556287">
-				<nil key="NSNextResponder"/>
+				<reference key="NSNextResponder"/>
 				<int key="NSvFlags">290</int>
 				<array class="NSMutableArray" key="NSSubviews">
 					<object class="IBUISlider" id="134433983">
@@ -208,6 +217,7 @@
 						<int key="NSvFlags">290</int>
 						<string key="NSFrame">{{5, 10}, {188, 23}}</string>
 						<reference key="NSSuperview" ref="646556287"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="438248784"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<string key="NSHuggingPriority">{250, 250}</string>
@@ -225,6 +235,7 @@
 						<int key="NSvFlags">289</int>
 						<string key="NSFrame">{{241, 6}, {59, 29}}</string>
 						<reference key="NSSuperview" ref="646556287"/>
+						<reference key="NSWindow"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -240,6 +251,7 @@
 						<int key="NSvFlags">289</int>
 						<string key="NSFrame">{{193, 11}, {50, 20}}</string>
 						<reference key="NSSuperview" ref="646556287"/>
+						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="637398771"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
@@ -261,6 +273,8 @@
 					</object>
 				</array>
 				<string key="NSFrameSize">{300, 40}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
 				<reference key="NSNextKeyView" ref="134433983"/>
 				<string key="NSReuseIdentifierKey">_NS:9</string>
 				<reference key="IBUIBackgroundColor" ref="665591321"/>
@@ -383,6 +397,24 @@
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">positionSliderDrag:</string>
+						<reference key="source" ref="134433983"/>
+						<reference key="destination" ref="372490531"/>
+						<int key="IBEventType">3</int>
+					</object>
+					<int key="connectionID">193</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">positionSliderDrag:</string>
+						<reference key="source" ref="134433983"/>
+						<reference key="destination" ref="372490531"/>
+						<int key="IBEventType">4</int>
+					</object>
+					<int key="connectionID">194</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
 						<string key="label">switchSubtitleTrack:</string>
 						<reference key="source" ref="776049213"/>
 						<reference key="destination" ref="372490531"/>
@@ -577,9 +609,126 @@
 			<nil key="activeLocalization"/>
 			<dictionary class="NSMutableDictionary" key="localizations"/>
 			<nil key="sourceID"/>
-			<int key="maxID">192</int>
+			<int key="maxID">194</int>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">MPVolumeView</string>
+					<string key="superclassName">UIView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/MPVolumeView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">VDLPlaybackViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="closePlayback:">id</string>
+						<string key="playandPause:">id</string>
+						<string key="positionSliderAction:">UISlider</string>
+						<string key="positionSliderDrag:">id</string>
+						<string key="switchAudioTrack:">id</string>
+						<string key="switchSubtitleTrack:">id</string>
+						<string key="switchVideoDimensions:">id</string>
+						<string key="toggleTimeDisplay:">id</string>
+						<string key="volumeSliderAction:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="closePlayback:">
+							<string key="name">closePlayback:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="playandPause:">
+							<string key="name">playandPause:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="positionSliderAction:">
+							<string key="name">positionSliderAction:</string>
+							<string key="candidateClassName">UISlider</string>
+						</object>
+						<object class="IBActionInfo" key="positionSliderDrag:">
+							<string key="name">positionSliderDrag:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="switchAudioTrack:">
+							<string key="name">switchAudioTrack:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="switchSubtitleTrack:">
+							<string key="name">switchSubtitleTrack:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="switchVideoDimensions:">
+							<string key="name">switchVideoDimensions:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleTimeDisplay:">
+							<string key="name">toggleTimeDisplay:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="volumeSliderAction:">
+							<string key="name">volumeSliderAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="audioSwitcherButton">UIButton</string>
+						<string key="controllerPanel">UIView</string>
+						<string key="movieView">UIView</string>
+						<string key="playPauseButton">UIButton</string>
+						<string key="positionSlider">UISlider</string>
+						<string key="subtitleSwitcherButton">UIButton</string>
+						<string key="timeDisplay">UIButton</string>
+						<string key="toolbar">UINavigationBar</string>
+						<string key="volumeView">MPVolumeView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="audioSwitcherButton">
+							<string key="name">audioSwitcherButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="controllerPanel">
+							<string key="name">controllerPanel</string>
+							<string key="candidateClassName">UIView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="movieView">
+							<string key="name">movieView</string>
+							<string key="candidateClassName">UIView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="playPauseButton">
+							<string key="name">playPauseButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="positionSlider">
+							<string key="name">positionSlider</string>
+							<string key="candidateClassName">UISlider</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="subtitleSwitcherButton">
+							<string key="name">subtitleSwitcherButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="timeDisplay">
+							<string key="name">timeDisplay</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="toolbar">
+							<string key="name">toolbar</string>
+							<string key="candidateClassName">UINavigationBar</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="volumeView">
+							<string key="name">volumeView</string>
+							<string key="candidateClassName">MPVolumeView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/VDLPlaybackViewController.h</string>
+					</object>
+				</object>
+			</array>
 		</object>
-		<object class="IBClassDescriber" key="IBDocument.Classes"/>
 		<int key="IBDocument.localizationMode">0</int>
 		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
 		<bool key="IBDocument.previouslyAttemptedUpgradeToXcode5">YES</bool>