add a setting to control the audio playback when the app is in background

additionally, add a header to collect the string constants used to provide the settings within the app

AspenProject/VLC for iOS-Prefix.pch

@@ -16,6 +16,8 @@
 #import <MobileVLCKit/MobileVLCKit.h>
 #import <MediaLibraryKit/MediaLibraryKit.h>
 
+#import "VLCConstants.h"
+
 #ifndef NDEBUG
 #define APLog(format, ...) NSLog(format, ## __VA_ARGS__)
 #else

AspenProject/VLCAppDelegate.m

@@ -18,7 +18,7 @@
 {
     NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
 
-    NSDictionary *appDefaults = @{@"Passcode" : @"", @"PasscodeProtection" : @0};
+    NSDictionary *appDefaults = @{kVLCSettingPasscodeKey : @"", kVLCSettingPasscodeOnKey : @0, kVLCSettingContinueAudioInBackgroundKey : @1};
 
     [defaults registerDefaults:appDefaults];
 }

AspenProject/VLCConstants.h

@@ -0,0 +1,11 @@
+//
+//  VLCConstants.h
+//  VLC for iOS
+//
+//  Created by Felix Paul Kühne on 20.05.13.
+//  Copyright (c) 2013 VideoLAN. All rights reserved.
+//
+
+#define kVLCSettingPasscodeKey @"Passcode"
+#define kVLCSettingPasscodeOnKey @"PasscodeProtection"
+#define kVLCSettingContinueAudioInBackgroundKey @"BackgroundAudioPlayback"

AspenProject/VLCMovieViewController.m

@@ -13,6 +13,10 @@
 #define INPUT_RATE_DEFAULT  1000.
 
 @interface VLCMovieViewController () <UIGestureRecognizerDelegate>
+{
+    BOOL _shouldResumePlaying;
+}
+
 @property (nonatomic, strong) UIPopoverController *masterPopoverController;
 @property (nonatomic, strong) UIWindow *externalWindow;
 @end
@@ -60,7 +64,12 @@
                    name:UIScreenDidConnectNotification object:nil];
     [center addObserver:self selector:@selector(handleExternalScreenDidDisconnect:)
                    name:UIScreenDidDisconnectNotification object:nil];
-    [center addObserver:self selector:@selector(appWillResign:) name:UIApplicationWillResignActiveNotification object:nil];
+    [center addObserver:self selector:@selector(applicationWillResignActive:)
+                   name:UIApplicationWillResignActiveNotification object:nil];
+    [center addObserver:self selector:@selector(applicationDidBecomeActive:)
+                   name:UIApplicationDidBecomeActiveNotification object:nil];
+    [center addObserver:self selector:@selector(applicationDidEnterBackground:)
+                   name:UIApplicationDidEnterBackgroundNotification object:nil];
 
     _playingExternallyTitle.text = NSLocalizedString(@"PLAYING_EXTERNALLY_TITLE", @"");
     _playingExternallyDescription.text = NSLocalizedString(@"PLAYING_EXTERNALLY_DESC", @"");
@@ -535,11 +544,33 @@
     }
 }
 
-#pragma mark -
+#pragma mark - background interaction
 
-- (void)appWillResign:(NSNotification *)aNotification
+- (void)applicationWillResignActive:(NSNotification *)aNotification
 {
+    NSLog(@"applicationWillResignActive");
     self.mediaItem.lastPosition = @([_mediaPlayer position]);
+
+    if (![[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingContinueAudioInBackgroundKey] intValue]) {
+        NSLog(@"pausing playback");
+        [_mediaPlayer pause];
+        _shouldResumePlaying = YES;
+    } else
+        NSLog(@"continuing playback");
+}
+
+- (void)applicationDidEnterBackground:(NSNotification *)notification
+{
+    _shouldResumePlaying = NO;
+}
+
+- (void)applicationDidBecomeActive:(NSNotification *)notification
+{
+    NSLog(@"applicationDidBecomeActive");
+    if (_shouldResumePlaying) {
+        _shouldResumePlaying = NO;
+        [_mediaPlayer play];
+    }
 }
 
 #pragma mark - autorotation

AspenProject/VLCSettingsViewController.h

@@ -14,7 +14,12 @@
 @property (nonatomic, strong) IBOutlet UISwitch *passcodeLockSwitch;
 @property (nonatomic, strong) IBOutlet UILabel *passcodeLockLabel;
 
+@property (nonatomic, strong) IBOutlet UISwitch *audioPlaybackInBackgroundSwitch;
+@property (nonatomic, strong) IBOutlet UILabel *audioPlaybackInBackgroundLabel;
+
 - (IBAction)togglePasscodeLockSetting:(id)sender;
+- (IBAction)toggleAudioInBackGroundSetting:(id)sender;
+
 - (IBAction)dismiss:(id)sender;
 
 @end

AspenProject/VLCSettingsViewController.m

@@ -25,12 +25,14 @@
 
     self.dismissButton.title = NSLocalizedString(@"BUTTON_DONE", @"");
     self.passcodeLockLabel.text = NSLocalizedString(@"PREF_PASSCODE", @"");
+    self.audioPlaybackInBackgroundLabel.text = NSLocalizedString(@"PREF_AUDIOBACKGROUND", @"");
 }
 
 - (void)viewWillAppear:(BOOL)animated
 {
     NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
-    self.passcodeLockSwitch.on = [[defaults objectForKey:@"PasscodeProtection"] intValue];
+    self.passcodeLockSwitch.on = [[defaults objectForKey:kVLCSettingPasscodeOnKey] intValue];
+    self.audioPlaybackInBackgroundSwitch.on = [[defaults objectForKey:kVLCSettingContinueAudioInBackgroundKey] intValue];
 
     [super viewWillAppear:animated];
 }
@@ -48,11 +50,18 @@
         [appDelegate.playlistViewController.passcodeLockViewController resetPasscode];
     } else {
         NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
-        [defaults setObject:@0 forKey:@"PasscodeProtection"];
+        [defaults setObject:@0 forKey:kVLCSettingPasscodeOnKey];
         [defaults synchronize];
     }
 }
 
+- (IBAction)toggleAudioInBackGroundSetting:(id)sender
+{
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setObject:@(self.audioPlaybackInBackgroundSwitch.on) forKey:kVLCSettingContinueAudioInBackgroundKey];
+    [defaults synchronize];
+}
+
 - (IBAction)dismiss:(id)sender
 {
     VLCAppDelegate* appDelegate = [UIApplication sharedApplication].delegate;

Resources/VLCAboutViewController~ipad.xib

@@ -174,7 +174,7 @@ IEvDvGhuZSBhbmQgR2xlYiBQaW5pZ2luA</string>
 					</object>
 					<object class="IBUIImageView" id="589611976">
 						<reference key="NSNextResponder" ref="191373211"/>
-						<int key="NSvFlags">289</int>
+						<int key="NSvFlags">293</int>
 						<string key="NSFrame">{{105, 64}, {160, 160}}</string>
 						<reference key="NSSuperview" ref="191373211"/>
 						<reference key="NSWindow"/>
@@ -193,7 +193,6 @@ IEvDvGhuZSBhbmQgR2xlYiBQaW5pZ2luA</string>
 						<string key="NSFrame">{{84, 257}, {600, 747}}</string>
 						<reference key="NSSuperview" ref="191373211"/>
 						<reference key="NSWindow"/>
-						<reference key="NSNextKeyView"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<object class="NSColor" key="IBUIBackgroundColor" id="115530952">
 							<int key="NSColorSpace">3</int>

Resources/VLCAboutViewController~iphone.xib

@@ -143,7 +143,6 @@
 						<string key="NSFrame">{{0, 233}, {320, 315}}</string>
 						<reference key="NSSuperview" ref="191373211"/>
 						<reference key="NSWindow"/>
-						<reference key="NSNextKeyView"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<object class="NSColor" key="IBUIBackgroundColor">
 							<int key="NSColorSpace">3</int>

Resources/VLCSettingsViewController.xib

@@ -71,7 +71,7 @@
 					<object class="IBUILabel" id="890162779">
 						<reference key="NSNextResponder" ref="1058981638"/>
 						<int key="NSvFlags">292</int>
-						<string key="NSFrame">{{20, 75}, {259, 21}}</string>
+						<string key="NSFrame">{{20, 75}, {415, 21}}</string>
 						<reference key="NSSuperview" ref="1058981638"/>
 						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="268284080"/>
@@ -82,17 +82,17 @@
 						<bool key="IBUIUserInteractionEnabled">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
 						<string key="IBUIText">Passcode Lock</string>
-						<object class="NSColor" key="IBUITextColor">
+						<object class="NSColor" key="IBUITextColor" id="33374124">
 							<int key="NSColorSpace">3</int>
 							<bytes key="NSWhite">MC42NjY2NjY2NjY3AA</bytes>
 						</object>
 						<nil key="IBUIHighlightedColor"/>
 						<int key="IBUIBaselineAdjustment">0</int>
-						<object class="IBUIFontDescription" key="IBUIFontDescription">
+						<object class="IBUIFontDescription" key="IBUIFontDescription" id="210361183">
 							<int key="type">1</int>
 							<double key="pointSize">17</double>
 						</object>
-						<object class="NSFont" key="IBUIFont">
+						<object class="NSFont" key="IBUIFont" id="965406955">
 							<string key="NSName">Helvetica</string>
 							<double key="NSSize">17</double>
 							<int key="NSfFlags">16</int>
@@ -105,6 +105,43 @@
 						<string key="NSFrame">{{428, 72}, {94, 27}}</string>
 						<reference key="NSSuperview" ref="1058981638"/>
 						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="76469752"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+					</object>
+					<object class="IBUILabel" id="76469752">
+						<reference key="NSNextResponder" ref="1058981638"/>
+						<int key="NSvFlags">290</int>
+						<string key="NSFrame">{{20, 116}, {415, 42}}</string>
+						<reference key="NSSuperview" ref="1058981638"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="115965713"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<string key="IBUIText">Continue audio playback in background</string>
+						<reference key="IBUITextColor" ref="33374124"/>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">0</int>
+						<int key="IBUINumberOfLines">2</int>
+						<int key="IBUILineBreakMode">0</int>
+						<reference key="IBUIFontDescription" ref="210361183"/>
+						<reference key="IBUIFont" ref="965406955"/>
+						<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
+						<double key="preferredMaxLayoutWidth">415</double>
+					</object>
+					<object class="IBUISwitch" id="115965713">
+						<reference key="NSNextResponder" ref="1058981638"/>
+						<int key="NSvFlags">289</int>
+						<string key="NSFrame">{{428, 123}, {94, 27}}</string>
+						<reference key="NSSuperview" ref="1058981638"/>
+						<reference key="NSWindow"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -164,6 +201,22 @@
 					<int key="connectionID">38</int>
 				</object>
 				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">audioPlaybackInBackgroundLabel</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="76469752"/>
+					</object>
+					<int key="connectionID">42</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">audioPlaybackInBackgroundSwitch</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="115965713"/>
+					</object>
+					<int key="connectionID">43</int>
+				</object>
+				<object class="IBConnectionRecord">
 					<object class="IBCocoaTouchEventConnection" key="connection">
 						<string key="label">dismiss:</string>
 						<reference key="source" ref="320254837"/>
@@ -180,6 +233,15 @@
 					</object>
 					<int key="connectionID">36</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">toggleAudioInBackGroundSetting:</string>
+						<reference key="source" ref="115965713"/>
+						<reference key="destination" ref="372490531"/>
+						<int key="IBEventType">13</int>
+					</object>
+					<int key="connectionID">44</int>
+				</object>
 			</array>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<array key="orderedObjects">
@@ -207,6 +269,8 @@
 							<reference ref="222768752"/>
 							<reference ref="890162779"/>
 							<reference ref="268284080"/>
+							<reference ref="76469752"/>
+							<reference ref="115965713"/>
 						</array>
 						<reference key="parent" ref="0"/>
 					</object>
@@ -241,6 +305,16 @@
 						<array class="NSMutableArray" key="children"/>
 						<reference key="parent" ref="1058981638"/>
 					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">39</int>
+						<reference key="object" ref="76469752"/>
+						<reference key="parent" ref="1058981638"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">40</int>
+						<reference key="object" ref="115965713"/>
+						<reference key="parent" ref="1058981638"/>
+					</object>
 				</array>
 			</object>
 			<dictionary class="NSMutableDictionary" key="flattenedProperties">
@@ -253,13 +327,15 @@
 				<string key="19.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="20.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="26.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="39.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="40.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 			</dictionary>
 			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
 			<nil key="activeLocalization"/>
 			<dictionary class="NSMutableDictionary" key="localizations"/>
 			<nil key="sourceID"/>
-			<int key="maxID">38</int>
+			<int key="maxID">44</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -268,6 +344,7 @@
 					<string key="superclassName">UIViewController</string>
 					<dictionary class="NSMutableDictionary" key="actions">
 						<string key="dismiss:">id</string>
+						<string key="toggleAudioInBackGroundSetting:">id</string>
 						<string key="togglePasscodeLockSetting:">id</string>
 					</dictionary>
 					<dictionary class="NSMutableDictionary" key="actionInfosByName">
@@ -275,17 +352,31 @@
 							<string key="name">dismiss:</string>
 							<string key="candidateClassName">id</string>
 						</object>
+						<object class="IBActionInfo" key="toggleAudioInBackGroundSetting:">
+							<string key="name">toggleAudioInBackGroundSetting:</string>
+							<string key="candidateClassName">id</string>
+						</object>
 						<object class="IBActionInfo" key="togglePasscodeLockSetting:">
 							<string key="name">togglePasscodeLockSetting:</string>
 							<string key="candidateClassName">id</string>
 						</object>
 					</dictionary>
 					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="audioPlaybackInBackgroundLabel">UILabel</string>
+						<string key="audioPlaybackInBackgroundSwitch">UISwitch</string>
 						<string key="dismissButton">UIBarButtonItem</string>
 						<string key="passcodeLockLabel">UILabel</string>
 						<string key="passcodeLockSwitch">UISwitch</string>
 					</dictionary>
 					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="audioPlaybackInBackgroundLabel">
+							<string key="name">audioPlaybackInBackgroundLabel</string>
+							<string key="candidateClassName">UILabel</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="audioPlaybackInBackgroundSwitch">
+							<string key="name">audioPlaybackInBackgroundSwitch</string>
+							<string key="candidateClassName">UISwitch</string>
+						</object>
 						<object class="IBToOneOutletInfo" key="dismissButton">
 							<string key="name">dismissButton</string>
 							<string key="candidateClassName">UIBarButtonItem</string>

VLC for iOS.xcodeproj/project.pbxproj

@@ -267,6 +267,7 @@
 		7D6B07BB1716C9B8003280C4 /* UIColor+AQGridView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "UIColor+AQGridView.m"; path = "ImportedSources/AQGridView/Classes/UIColor+AQGridView.m"; sourceTree = SOURCE_ROOT; };
 		7D6B07F51716D45B003280C4 /* VLCPlaylistGridView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCPlaylistGridView.h; sourceTree = "<group>"; };
 		7D6B07F61716D45B003280C4 /* VLCPlaylistGridView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCPlaylistGridView.m; sourceTree = "<group>"; };
+		7D6B08BB174A72A900A05173 /* VLCConstants.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCConstants.h; sourceTree = "<group>"; };
 		7D6BA10B1747F26300C0E203 /* VLCPasscodeLockViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VLCPasscodeLockViewController.h; sourceTree = "<group>"; };
 		7D6BA10C1747F26300C0E203 /* VLCPasscodeLockViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VLCPasscodeLockViewController.m; sourceTree = "<group>"; };
 		7D6BA10D1747F26300C0E203 /* VLCPasscodeLockViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = VLCPasscodeLockViewController.xib; path = ../Resources/VLCPasscodeLockViewController.xib; sourceTree = "<group>"; };
@@ -667,6 +668,7 @@
 		7D94FCE416DE7D1000F2623B /* AspenProject */ = {
 			isa = PBXGroup;
 			children = (
+				7D6B08BB174A72A900A05173 /* VLCConstants.h */,
 				7D94FCED16DE7D1000F2623B /* VLCAppDelegate.h */,
 				7D94FCEE16DE7D1000F2623B /* VLCAppDelegate.m */,
 				7D94FCF616DE7D1100F2623B /* VLCPlaylistViewController.h */,