| [34] | 1 | //
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| 2 | // NJRQTMediaPopUpButton.m
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| 3 | // Pester
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| 4 | //
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| 5 | // Created by Nicholas Riley on Sat Oct 26 2002.
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| 6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "NJRQTMediaPopUpButton.h"
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| 10 | #import "SoundFileManager.h"
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| 11 | #import "NSMovie-NJRExtensions.h"
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| 12 | #import "NSImage-NJRExtensions.h"
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| [60] | 13 | #import <QuickTime/Movies.h>
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| [34] | 14 |
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| [53] | 15 | // XXX workaround for SoundFileManager log message in 10.2.3 and earlier
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| 16 | #include <stdio.h>
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| 17 | #include <unistd.h>
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| 18 | #include <fcntl.h>
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| 19 | // XXX end workaround
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| 20 |
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| [39] | 21 | static const int NJRQTMediaPopUpButtonMaxRecentItems = 10;
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| 22 |
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| [41] | 23 | NSString * const NJRQTMediaPopUpButtonMovieChangedNotification = @"NJRQTMediaPopUpButtonMovieChangedNotification";
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| 24 |
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| [34] | 25 | @interface NJRQTMediaPopUpButton (Private)
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| [39] | 26 | - (void)_setPath:(NSString *)path;
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| [40] | 27 | - (NSMenuItem *)_itemForAlias:(BDAlias *)alias;
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| [41] | 28 | - (BOOL)_validateWithPreview:(BOOL)doPreview;
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| [34] | 29 | @end
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| 30 |
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| 31 | @implementation NJRQTMediaPopUpButton
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| 32 |
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| 33 | // XXX handle refreshing sound list on resume
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| [39] | 34 | // XXX don't add icons on Puma, they look like ass
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| 35 | // XXX launch preview on a separate thread (if movies take too long to load, they inhibit the interface responsiveness)
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| [34] | 36 |
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| [40] | 37 | // Recent media layout:
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| 38 | // Most recent media are at TOP of menu (smaller item numbers, starting at [self indexOfItem: otherItem] + 1)
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| 39 | // Most recent media are at END of array (larger indices)
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| 40 |
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| [41] | 41 | #pragma mark recently selected media tracking
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| 42 |
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| [39] | 43 | - (NSString *)_defaultKey;
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| 44 | {
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| [103] | 45 | NSAssert([self tag] != 0, NSLocalizedString(@"Can't track recently selected media for popup with tag 0: please set a tag", "Assertion for QuickTime media popup button if tag is 0"));
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| [39] | 46 | return [NSString stringWithFormat: @"NJRQTMediaPopUpButtonMaxRecentItems tag %d", [self tag]];
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| 47 | }
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| 48 |
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| 49 | - (void)_writeRecentMedia;
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| 50 | {
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| 51 | NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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| 52 | [defaults setObject: recentMediaAliasData forKey: [self _defaultKey]];
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| 53 | [defaults synchronize];
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| 54 | }
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| 55 |
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| 56 | - (NSMenuItem *)_addRecentMediaAtPath:(NSString *)path withAlias:(BDAlias *)alias;
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| 57 | {
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| 58 | NSString *title = [[NSFileManager defaultManager] displayNameAtPath: path];
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| 59 | NSMenu *menu = [self menu];
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| [47] | 60 | NSMenuItem *item;
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| 61 | if (title == nil || path == nil) return nil;
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| 62 | item = [menu insertItemWithTitle: title action: @selector(_aliasSelected:) keyEquivalent: @"" atIndex: [menu indexOfItem: otherItem] + 1];
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| [39] | 63 | [item setTarget: self];
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| 64 | [item setRepresentedObject: alias];
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| 65 | [item setImage: [[[NSWorkspace sharedWorkspace] iconForFile: path] bestFitImageForSize: NSMakeSize(16, 16)]];
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| 66 | [recentMediaAliasData addObject: [alias aliasData]];
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| 67 | if ([recentMediaAliasData count] > NJRQTMediaPopUpButtonMaxRecentItems) {
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| 68 | [menu removeItemAtIndex: [menu numberOfItems] - 1];
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| 69 | [recentMediaAliasData removeObjectAtIndex: 0];
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| 70 | }
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| 71 | return item;
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| 72 | }
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| 73 |
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| 74 | - (void)_addRecentMediaFromAliasesData:(NSArray *)aliasesData;
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| 75 | {
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| 76 | NSEnumerator *e = [aliasesData objectEnumerator];
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| 77 | NSData *aliasData;
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| 78 | BDAlias *alias;
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| 79 | while ( (aliasData = [e nextObject]) != nil) {
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| 80 | if ( (alias = [[BDAlias alloc] initWithData: aliasData]) != nil) {
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| 81 | [self _addRecentMediaAtPath: [alias fullPath] withAlias: alias];
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| 82 | [alias release];
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| 83 | }
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | - (void)_validateRecentMedia;
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| 88 | {
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| [40] | 89 | NSEnumerator *e = [recentMediaAliasData reverseObjectEnumerator];
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| [39] | 90 | NSData *aliasData;
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| 91 | NSMenuItem *item;
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| 92 | BDAlias *itemAlias;
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| 93 | int otherIndex = [self indexOfItem: otherItem];
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| 94 | int aliasDataCount = [recentMediaAliasData count];
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| 95 | int lastItemIndex = [self numberOfItems] - 1;
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| 96 | int recentItemCount = lastItemIndex - otherIndex;
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| 97 | int recentItemIndex = otherIndex;
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| 98 | NSAssert2(recentItemCount == aliasDataCount, @"Counted %d recent menu items, %d of alias data", recentItemCount, aliasDataCount);
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| [40] | 99 | while ( (aliasData = [e nextObject]) != nil) { // go BACKWARD through array while going DOWN menu
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| [39] | 100 | recentItemIndex++;
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| 101 | item = [self itemAtIndex: recentItemIndex];
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| 102 | itemAlias = [item representedObject];
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| [40] | 103 | if ([itemAlias aliasDataIsEqual: aliasData])
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| [39] | 104 | NSLog(@"item %d %@: %@", recentItemIndex, [item title], [itemAlias fullPath]);
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| 105 | else
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| 106 | NSLog(@"ITEM %d %@: %@ != aliasData %@", recentItemIndex, [item title], [itemAlias fullPath], [[BDAlias aliasWithData: aliasData] fullPath]);
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| 107 | }
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| 108 | }
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| 109 |
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| [41] | 110 | #pragma mark initialize-release
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| 111 |
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| [53] | 112 | - (void)_setUp;
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| [34] | 113 | {
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| 114 | NSMenu *menu;
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| 115 | NSMenuItem *item;
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| 116 | SoundFileManager *sfm = [SoundFileManager sharedSoundFileManager];
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| 117 | int soundCount = [sfm count];
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| [39] | 118 |
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| [34] | 119 | [self removeAllItems];
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| 120 | menu = [self menu];
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| 121 | item = [menu addItemWithTitle: @"Alert sound" action: @selector(_beepSelected:) keyEquivalent: @""];
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| 122 | [item setTarget: self];
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| 123 | [menu addItem: [NSMenuItem separatorItem]];
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| 124 | if (soundCount == 0) {
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| [103] | 125 | item = [menu addItemWithTitle: NSLocalizedString(@"Can't locate alert sounds", "QuickTime media popup menu item surrogate for alert sound list if no sounds are found") action: nil keyEquivalent: @""];
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| [34] | 126 | [item setEnabled: NO];
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| 127 | } else {
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| 128 | SoundFile *sf;
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| 129 | int i;
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| 130 | [sfm sortByName];
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| 131 | for (i = 0 ; i < soundCount ; i++) {
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| 132 | sf = [sfm soundFileAtIndex: i];
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| 133 | item = [menu addItemWithTitle: [sf name] action: @selector(_soundFileSelected:) keyEquivalent: @""];
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| 134 | [item setTarget: self];
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| 135 | [item setRepresentedObject: sf];
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| 136 | [item setImage: [[[NSWorkspace sharedWorkspace] iconForFile: [sf path]] bestFitImageForSize: NSMakeSize(16, 16)]];
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| 137 | }
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| 138 | }
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| 139 | [menu addItem: [NSMenuItem separatorItem]];
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| [103] | 140 | item = [menu addItemWithTitle: NSLocalizedString(@"Other...", "Media popup item to select another sound/movie/image") action: @selector(select:) keyEquivalent: @""];
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| [34] | 141 | [item setTarget: self];
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| [39] | 142 | otherItem = [item retain];
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| 143 |
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| [41] | 144 | [self _validateWithPreview: NO];
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| 145 |
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| [39] | 146 | recentMediaAliasData = [[NSMutableArray alloc] initWithCapacity: NJRQTMediaPopUpButtonMaxRecentItems + 1];
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| 147 | [self _addRecentMediaFromAliasesData: [[NSUserDefaults standardUserDefaults] arrayForKey: [self _defaultKey]]];
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| [41] | 148 | // [self _validateRecentMedia];
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| [39] | 149 |
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| 150 | [self registerForDraggedTypes:
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| 151 | [NSArray arrayWithObjects: NSFilenamesPboardType, NSURLPboardType, nil]];
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| [34] | 152 | }
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| 153 |
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| [53] | 154 | - (id)initWithFrame:(NSRect)frame;
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| 155 | {
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| 156 | if ( (self = [super initWithFrame: frame]) != nil) {
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| 157 | [self _setUp];
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| 158 | }
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| 159 | return self;
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| 160 | }
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| 161 |
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| 162 | - (id)initWithCoder:(NSCoder *)coder;
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| 163 | {
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| 164 | if ( (self = [super initWithCoder: coder]) != nil) {
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| 165 | [self _setUp];
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| 166 | }
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| 167 | return self;
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| 168 | }
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| 169 |
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| [39] | 170 | - (void)dealloc;
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| [34] | 171 | {
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| [39] | 172 | [recentMediaAliasData release]; recentMediaAliasData = nil;
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| 173 | [otherItem release];
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| 174 | [selectedAlias release]; [previousAlias release];
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| 175 | [super dealloc];
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| [34] | 176 | }
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| 177 |
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| [41] | 178 | #pragma mark accessing
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| 179 |
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| [39] | 180 | - (BDAlias *)selectedAlias;
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| [34] | 181 | {
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| [39] | 182 | return selectedAlias;
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| 183 | }
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| 184 |
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| 185 | - (void)_setAlias:(BDAlias *)alias;
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| 186 | {
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| 187 | BDAlias *oldAlias = [selectedAlias retain];
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| 188 | [previousAlias release];
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| 189 | previousAlias = oldAlias;
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| [34] | 190 | if (selectedAlias != alias) {
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| 191 | [selectedAlias release];
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| 192 | selectedAlias = [alias retain];
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| 193 | }
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| 194 | }
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| 195 |
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| [53] | 196 | - (void)setAlias:(BDAlias *)alias;
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| 197 | {
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| 198 | [self _setAlias: alias];
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| 199 | if ([self _validateWithPreview: NO]) {
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| 200 | [self selectItem: [self _itemForAlias: selectedAlias]];
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| 201 | }
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| 202 | }
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| 203 |
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| [39] | 204 | - (void)_setPath:(NSString *)path;
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| [34] | 205 | {
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| [39] | 206 | [self _setAlias: [BDAlias aliasWithPath: path]];
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| [34] | 207 | }
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| 208 |
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| [39] | 209 | - (NSMenuItem *)_itemForAlias:(BDAlias *)alias;
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| [34] | 210 | {
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| [39] | 211 | NSString *path;
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| 212 | SoundFile *sf;
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| 213 | if (alias == nil) {
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| 214 | return [self itemAtIndex: 0];
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| 215 | }
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| [34] | 216 |
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| [41] | 217 | // [self _validateRecentMedia];
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| [39] | 218 | path = [alias fullPath];
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| [53] | 219 | { // XXX suppress log message from Apple's code:
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| 220 | // 2002-12-14 14:09:58.740 Pester[26529] Could not find sound type for directory /Users/nicholas/Desktop
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| 221 | int errfd = dup(STDERR_FILENO), nullfd = open("/dev/null", O_WRONLY, 0);
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| 222 | // need to have something open in STDERR_FILENO because if it isn't,
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| 223 | // NSLog will log to /dev/console
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| 224 | dup2(nullfd, STDERR_FILENO);
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| 225 | close(nullfd);
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| 226 | sf = [[SoundFileManager sharedSoundFileManager] soundFileFromPath: path];
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| 227 | dup2(errfd, STDERR_FILENO);
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| 228 | close(errfd);
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| 229 | }
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| [41] | 230 | // NSLog(@"_itemForAlias: %@", path);
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| [34] | 231 |
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| [39] | 232 | // selected a system sound?
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| 233 | if (sf != nil) {
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| [41] | 234 | // NSLog(@"_itemForAlias: selected system sound");
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| [39] | 235 | return [self itemAtIndex: [self indexOfItemWithRepresentedObject: sf]];
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| 236 | } else {
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| [40] | 237 | NSEnumerator *e = [recentMediaAliasData reverseObjectEnumerator];
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| [39] | 238 | NSData *aliasData;
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| 239 | NSMenuItem *item;
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| [40] | 240 | int recentIndex = 1;
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| [34] | 241 |
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| [39] | 242 | while ( (aliasData = [e nextObject]) != nil) {
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| 243 | // selected a recently selected, non-system sound?
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| 244 | if ([alias aliasDataIsEqual: aliasData]) {
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| 245 | int otherIndex = [self indexOfItem: otherItem];
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| [40] | 246 | int menuIndex = recentIndex + otherIndex;
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| [39] | 247 | if (menuIndex == otherIndex + 1) return [self itemAtIndex: menuIndex]; // already at top
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| 248 | // remove item, add (at top) later
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| [41] | 249 | // NSLog(@"_itemForAlias removing item: idx %d + otherItemIdx %d + 1 = %d [%@]", recentIndex, otherIndex, menuIndex, [self itemAtIndex: menuIndex]);
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| [39] | 250 | [self removeItemAtIndex: menuIndex];
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| [40] | 251 | [recentMediaAliasData removeObjectAtIndex: [recentMediaAliasData count] - recentIndex];
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| [39] | 252 | break;
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| [34] | 253 | }
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| [39] | 254 | recentIndex++;
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| [34] | 255 | }
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| [39] | 256 |
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| 257 | // create the item
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| 258 | item = [self _addRecentMediaAtPath: path withAlias: alias];
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| 259 | [self _writeRecentMedia];
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| 260 | return item;
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| [34] | 261 | }
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| 262 | }
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| 263 |
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| [41] | 264 | - (BOOL)canRepeat;
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| 265 | {
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| 266 | return movieCanRepeat;
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| 267 | }
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| 268 |
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| 269 | #pragma mark selected media validation
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| 270 |
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| [39] | 271 | - (void)_invalidateSelection;
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| [34] | 272 | {
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| [39] | 273 | [self _setAlias: previousAlias];
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| 274 | [self selectItem: [self _itemForAlias: [self selectedAlias]]];
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| [41] | 275 | [[NSNotificationCenter defaultCenter] postNotificationName: NJRQTMediaPopUpButtonMovieChangedNotification object: self];
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| [34] | 276 | }
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| 277 |
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| [60] | 278 | void
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| 279 | MovieStoppedCB(QTCallBack cb, long refCon)
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| 280 | {
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| 281 | NSMovieView *preview = (NSMovieView *)refCon;
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| 282 | // if we donÕt do this after the runloop has finished, then we crash in MCIdle because itÕs expecting a movie and doesnÕt have one any more
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| 283 | [preview performSelector: @selector(setMovie:) withObject: nil afterDelay: 0]; // otherwise we get an extra runloop timer which uses a lot of CPU from +[NSMovieView _idleMovies]
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| 284 | DisposeCallBack(cb);
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| 285 | }
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| 286 |
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| [41] | 287 | - (BOOL)_validateWithPreview:(BOOL)doPreview;
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| [34] | 288 | {
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| 289 | [preview stop: self];
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| 290 | if (selectedAlias == nil) {
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| 291 | [preview setMovie: nil];
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| [41] | 292 | movieCanRepeat = YES;
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| 293 | if (doPreview) NSBeep();
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| [34] | 294 | } else {
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| 295 | NSMovie *movie = [[NSMovie alloc] initWithURL: [NSURL fileURLWithPath: [selectedAlias fullPath]] byReference: YES];
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| [41] | 296 | movieCanRepeat = ![movie isStatic];
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| [60] | 297 | if ([movie hasAudio]) {
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| 298 | [preview setMovie: doPreview ? movie : nil];
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| 299 | } else {
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| [34] | 300 | [preview setMovie: nil];
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| 301 | if (movie == nil) {
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| [103] | 302 | NSBeginAlertSheet(@"Format not recognized", nil, nil, nil, [self window], nil, nil, nil, nil, NSLocalizedString(@"The item you selected isn't a sound or movie recognized by QuickTime. Please select a different item.", "Message displayed in alert sheet when media document is not recognized by QuickTime"));
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| [39] | 303 | [self _invalidateSelection];
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| [34] | 304 | return NO;
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| 305 | }
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| 306 | if (![movie hasAudio] && ![movie hasVideo]) {
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| [103] | 307 | NSBeginAlertSheet(@"No video or audio", nil, nil, nil, [self window], nil, nil, nil, nil, NSLocalizedString(@"'%@' contains neither audio nor video content playable by QuickTime. Please select a different item.", "Message displayed in alert sheet when media document is readable, but has neither audio nor video tracks"), [[NSFileManager defaultManager] displayNameAtPath: [selectedAlias fullPath]]);
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| [39] | 308 | [self _invalidateSelection];
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| [34] | 309 | [movie release];
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| 310 | return NO;
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| 311 | }
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| 312 | }
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| [60] | 313 | if (doPreview) {
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| 314 | Movie qtMovie = [movie QTMovie];
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| 315 | QTCallBack cbStop = NewCallBack(GetMovieTimeBase(qtMovie), callBackAtExtremes);
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| 316 | QTCallBackUPP cbStopUPP = NewQTCallBackUPP(MovieStoppedCB);
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| 317 | OSErr err = CallMeWhen(cbStop, cbStopUPP, (long)preview, triggerAtStop, 0, 0);
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| 318 | if (err != noErr) {
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| [103] | 319 | NSLog(@"Can't register QuickTime stop timebase callback for preview: %ld", err);
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| [60] | 320 | DisposeCallBack(cbStop);
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| 321 | }
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| 322 | [preview start: self];
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| 323 | }
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| [34] | 324 | [movie release];
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| 325 | }
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| [41] | 326 | [[NSNotificationCenter defaultCenter] postNotificationName: NJRQTMediaPopUpButtonMovieChangedNotification object: self];
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| [34] | 327 | return YES;
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| 328 | }
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| 329 |
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| [41] | 330 | #pragma mark actions
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| 331 |
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| [39] | 332 | - (IBAction)stopSoundPreview:(id)sender;
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| 333 | {
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| 334 | [preview stop: self];
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| [60] | 335 | [preview setMovie: nil]; // otherwise we get an extra runloop timer which uses a lot of CPU from +[NSMovieView _idleMovies]
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| [39] | 336 | }
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| 337 |
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| 338 | - (void)_beepSelected:(NSMenuItem *)sender;
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| 339 | {
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| 340 | [self _setAlias: nil];
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| [41] | 341 | [self _validateWithPreview: YES];
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| [39] | 342 | }
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| 343 |
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| 344 | - (void)_soundFileSelected:(NSMenuItem *)sender;
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| 345 | {
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| 346 | [self _setPath: [(SoundFile *)[sender representedObject] path]];
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| [41] | 347 | if (![self _validateWithPreview: YES]) {
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| [39] | 348 | [[self menu] removeItem: sender];
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| 349 | }
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| 350 | }
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| 351 |
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| 352 | - (void)_aliasSelected:(NSMenuItem *)sender;
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| 353 | {
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| 354 | BDAlias *alias = [sender representedObject];
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| 355 | int index = [self indexOfItem: sender], otherIndex = [self indexOfItem: otherItem];
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| 356 | [self _setAlias: alias];
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| [41] | 357 | if (![self _validateWithPreview: YES]) {
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| [39] | 358 | [[self menu] removeItem: sender];
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| 359 | } else if (index > otherIndex + 1) { // move "other" item to top of list
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| [40] | 360 | int recentIndex = [recentMediaAliasData count] - index + otherIndex;
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| [39] | 361 | NSMenuItem *item = [[self itemAtIndex: index] retain];
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| 362 | NSData *data = [[recentMediaAliasData objectAtIndex: recentIndex] retain];
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| [45] | 363 | // [self _validateRecentMedia];
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| [39] | 364 | [self removeItemAtIndex: index];
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| 365 | [[self menu] insertItem: item atIndex: otherIndex + 1];
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| 366 | [self selectItem: item];
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| 367 | [item release];
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| 368 | NSAssert(recentIndex >= 0, @"Recent media index invalid");
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| [41] | 369 | // NSLog(@"_aliasSelected removing item %d - %d + %d = %d of recentMediaAliasData", [recentMediaAliasData count], index, otherIndex, recentIndex);
|
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| [39] | 370 | [recentMediaAliasData removeObjectAtIndex: recentIndex];
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| 371 | [recentMediaAliasData addObject: data];
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| [40] | 372 | [self _validateRecentMedia];
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| [39] | 373 | [data release];
|
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| [40] | 374 | } // else NSLog(@"_aliasSelected ...already at top");
|
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| [39] | 375 | }
|
|---|
| 376 |
|
|---|
| 377 | - (IBAction)select:(id)sender;
|
|---|
| 378 | {
|
|---|
| 379 | NSOpenPanel *openPanel = [NSOpenPanel openPanel];
|
|---|
| 380 | NSString *path = [selectedAlias fullPath];
|
|---|
| 381 | [openPanel setAllowsMultipleSelection: NO];
|
|---|
| 382 | [openPanel setCanChooseDirectories: NO];
|
|---|
| 383 | [openPanel setCanChooseFiles: YES];
|
|---|
| 384 | [openPanel beginSheetForDirectory: [path stringByDeletingLastPathComponent]
|
|---|
| 385 | file: [path lastPathComponent]
|
|---|
| 386 | types: nil // XXX fix for QuickTime!
|
|---|
| 387 | modalForWindow: [self window]
|
|---|
| 388 | modalDelegate: self
|
|---|
| 389 | didEndSelector: @selector(openPanelDidEnd:returnCode:contextInfo:)
|
|---|
| 390 | contextInfo: nil];
|
|---|
| 391 | }
|
|---|
| 392 |
|
|---|
| 393 | - (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
|
|---|
| 394 | {
|
|---|
| 395 | [sheet close];
|
|---|
| 396 |
|
|---|
| 397 | if (returnCode == NSOKButton) {
|
|---|
| 398 | NSArray *files = [sheet filenames];
|
|---|
| 399 | NSAssert1([files count] == 1, @"%d items returned, only one expected", [files count]);
|
|---|
| 400 | [self _setPath: [files objectAtIndex: 0]];
|
|---|
| [41] | 401 | if ([self _validateWithPreview: YES]) {
|
|---|
| [39] | 402 | [self selectItem: [self _itemForAlias: selectedAlias]];
|
|---|
| 403 | }
|
|---|
| 404 | } else {
|
|---|
| 405 | // "Other..." item is still selected, revert to previously selected item
|
|---|
| 406 | // XXX issue with cancelling, top item in recent menu is sometimes duplicated!?
|
|---|
| 407 | [self selectItem: [self _itemForAlias: selectedAlias]];
|
|---|
| 408 | }
|
|---|
| 409 | // [self _validateRecentMedia];
|
|---|
| 410 | }
|
|---|
| 411 |
|
|---|
| [43] | 412 | - (void)setEnabled:(BOOL)flag;
|
|---|
| 413 | {
|
|---|
| 414 | [super setEnabled: flag];
|
|---|
| 415 | if (flag) ; // XXX [self startSoundPreview: self]; // need to prohibit at startup
|
|---|
| 416 | else [self stopSoundPreview: self];
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| [41] | 419 | #pragma mark drag feedback
|
|---|
| 420 |
|
|---|
| 421 | - (void)drawRect:(NSRect)rect;
|
|---|
| 422 | {
|
|---|
| 423 | if (dragAccepted) {
|
|---|
| 424 | NSWindow *window = [self window];
|
|---|
| 425 | NSRect boundsRect = [self bounds];
|
|---|
| 426 | BOOL isFirstResponder = ([window firstResponder] == self);
|
|---|
| 427 | // focus ring and drag feedback interfere with one another
|
|---|
| 428 | if (isFirstResponder) [window makeFirstResponder: window];
|
|---|
| 429 | [super drawRect: rect];
|
|---|
| 430 | [[NSColor selectedControlColor] set];
|
|---|
| 431 | NSFrameRectWithWidthUsingOperation(NSInsetRect(boundsRect, 2, 2), 3, NSCompositeSourceIn);
|
|---|
| 432 | if (isFirstResponder) [window makeFirstResponder: self];
|
|---|
| 433 | } else {
|
|---|
| 434 | [super drawRect: rect];
|
|---|
| 435 | }
|
|---|
| 436 | }
|
|---|
| 437 |
|
|---|
| [34] | 438 | @end
|
|---|
| [39] | 439 |
|
|---|
| 440 | @implementation NJRQTMediaPopUpButton (NSDraggingDestination)
|
|---|
| 441 |
|
|---|
| 442 | - (BOOL)acceptsDragFrom:(id <NSDraggingInfo>)sender;
|
|---|
| 443 | {
|
|---|
| 444 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
|
|---|
| [40] | 445 | NSFileManager *fm = [NSFileManager defaultManager];
|
|---|
| 446 | BOOL isDir;
|
|---|
| [39] | 447 |
|
|---|
| 448 | if (url == nil || ![url isFileURL]) return NO;
|
|---|
| [40] | 449 |
|
|---|
| 450 | if (![fm fileExistsAtPath: [url path] isDirectory: &isDir]) return NO;
|
|---|
| 451 |
|
|---|
| 452 | if (isDir) return NO;
|
|---|
| 453 |
|
|---|
| [39] | 454 | return YES;
|
|---|
| 455 | }
|
|---|
| 456 |
|
|---|
| [40] | 457 | - (NSString *)_descriptionForDraggingInfo:(id <NSDraggingInfo>)sender;
|
|---|
| 458 | {
|
|---|
| 459 | NSDragOperation mask = [sender draggingSourceOperationMask];
|
|---|
| 460 | NSMutableString *s = [NSMutableString stringWithFormat: @"Drag seq %d source: %@",
|
|---|
| 461 | [sender draggingSequenceNumber], [sender draggingSource]];
|
|---|
| 462 | NSPasteboard *draggingPasteboard = [sender draggingPasteboard];
|
|---|
| 463 | NSArray *types = [draggingPasteboard types];
|
|---|
| 464 | NSEnumerator *e = [types objectEnumerator];
|
|---|
| 465 | NSString *type;
|
|---|
| 466 | [s appendString: @"\nDrag operations:"];
|
|---|
| 467 | if (mask & NSDragOperationCopy) [s appendString: @" copy"];
|
|---|
| 468 | if (mask & NSDragOperationLink) [s appendString: @" link"];
|
|---|
| 469 | if (mask & NSDragOperationGeneric) [s appendString: @" generic"];
|
|---|
| 470 | if (mask & NSDragOperationPrivate) [s appendString: @" private"];
|
|---|
| 471 | if (mask & NSDragOperationMove) [s appendString: @" move"];
|
|---|
| 472 | if (mask & NSDragOperationDelete) [s appendString: @" delete"];
|
|---|
| 473 | if (mask & NSDragOperationEvery) [s appendString: @" every"];
|
|---|
| 474 | if (mask & NSDragOperationNone) [s appendString: @" none"];
|
|---|
| 475 | [s appendFormat: @"\nImage: %@ at %@", [sender draggedImage],
|
|---|
| 476 | NSStringFromPoint([sender draggedImageLocation])];
|
|---|
| 477 | [s appendFormat: @"\nDestination: %@ at %@", [sender draggingDestinationWindow],
|
|---|
| 478 | NSStringFromPoint([sender draggingLocation])];
|
|---|
| 479 | [s appendFormat: @"\nPasteboard: %@ types:", draggingPasteboard];
|
|---|
| 480 | while ( (type = [e nextObject]) != nil) {
|
|---|
| 481 | if ([type hasPrefix: @"CorePasteboardFlavorType 0x"]) {
|
|---|
| 482 | const char *osTypeHex = [[type substringFromIndex: [type rangeOfString: @"0x" options: NSBackwardsSearch].location] lossyCString];
|
|---|
| 483 | OSType osType;
|
|---|
| 484 | sscanf(osTypeHex, "%lx", &osType);
|
|---|
| 485 | [s appendFormat: @" '%4s'", &osType];
|
|---|
| 486 | } else {
|
|---|
| [103] | 487 | [s appendFormat: @" '%@'", type];
|
|---|
| [40] | 488 | }
|
|---|
| 489 | }
|
|---|
| 490 | return s;
|
|---|
| 491 | }
|
|---|
| 492 |
|
|---|
| [39] | 493 | - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
|
|---|
| 494 | {
|
|---|
| 495 | if ([self acceptsDragFrom: sender] && [sender draggingSourceOperationMask] &
|
|---|
| [40] | 496 | (NSDragOperationCopy | NSDragOperationLink)) {
|
|---|
| [39] | 497 | dragAccepted = YES;
|
|---|
| 498 | [self setNeedsDisplay: YES];
|
|---|
| [40] | 499 | // NSLog(@"draggingEntered accept:\n%@", [self _descriptionForDraggingInfo: sender]);
|
|---|
| 500 | return NSDragOperationLink;
|
|---|
| [39] | 501 | }
|
|---|
| 502 | return NSDragOperationNone;
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 | - (void)draggingExited:(id <NSDraggingInfo>)sender;
|
|---|
| 506 | {
|
|---|
| 507 | dragAccepted = NO;
|
|---|
| 508 | [self setNeedsDisplay: YES];
|
|---|
| 509 | }
|
|---|
| 510 |
|
|---|
| 511 | - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
|
|---|
| 512 | {
|
|---|
| 513 | dragAccepted = NO;
|
|---|
| 514 | [self setNeedsDisplay: YES];
|
|---|
| 515 | return [self acceptsDragFrom: sender];
|
|---|
| 516 | }
|
|---|
| 517 |
|
|---|
| 518 | - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
|
|---|
| 519 | {
|
|---|
| 520 | if ([sender draggingSource] != self) {
|
|---|
| 521 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
|
|---|
| 522 | if (url == nil) return NO;
|
|---|
| 523 | [self _setPath: [url path]];
|
|---|
| [41] | 524 | if ([self _validateWithPreview: YES]) {
|
|---|
| [40] | 525 | [self selectItem: [self _itemForAlias: selectedAlias]];
|
|---|
| 526 | }
|
|---|
| [39] | 527 | }
|
|---|
| 528 | return YES;
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | @end
|
|---|
