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Annotation of /XspfQT/XspfQTInformationWindowController.m

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Revision 316 - (hide annotations) (download)
Fri May 21 13:44:42 2010 UTC (13 years, 11 months ago) by masakih
File size: 7994 byte(s)
ライセンス表示の行が長過ぎるので適当に行を分けた。
1 masaki 63 //
2     // XspfQTInformationWindowController.m
3     // XspfQT
4     //
5     // Created by Hori,Masaki on 08/09/14.
6     //
7    
8 masakih 312 /*
9 masakih 316 This source code is release under the New BSD License.
10 masakih 312 Copyright (c) 2008-2010, masakih
11     All rights reserved.
12    
13 masakih 316 ソースコード形式かバイナリ形式か、変更するかしないかを問わず、以下の条件を満たす場合に
14     限り、再頒布および使用が許可されます。
15    
16     1, ソースコードを再頒布する場合、上記の著作権表示、本条件一覧、および下記免責条項を含
17     めること。
18     2, バイナリ形式で再頒布する場合、頒布物に付属のドキュメント等の資料に、上記の著作権表
19     示、本条件一覧、および下記免責条項を含めること。
20     3, 書面による特別の許可なしに、本ソフトウェアから派生した製品の宣伝または販売促進に、
21     コントリビューターの名前を使用してはならない。
22     本ソフトウェアは、著作権者およびコントリビューターによって「現状のまま」提供されており、
23     明示黙示を問わず、商業的な使用可能性、および特定の目的に対する適合性に関する暗黙の保証
24     も含め、またそれに限定されない、いかなる保証もありません。著作権者もコントリビューター
25     も、事由のいかんを問わず、 損害発生の原因いかんを問わず、かつ責任の根拠が契約であるか
26     厳格責任であるか(過失その他の)不法行為であるかを問わず、仮にそのような損害が発生する
27     可能性を知らされていたとしても、本ソフトウェアの使用によって発生した(代替品または代用
28     サービスの調達、使用の喪失、データの喪失、利益の喪失、業務の中断も含め、またそれに限定
29     されない)直接損害、間接損害、偶発的な損害、特別損害、懲罰的損害、または結果損害につい
30     て、一切責任を負わないものとします。
31 masakih 312 -------------------------------------------------------------------
32     Copyright (c) 2008-2010, masakih
33     All rights reserved.
34    
35 masakih 316 Redistribution and use in source and binary forms, with or without
36     modification, are permitted provided that the following conditions
37     are met:
38 masakih 312
39 masakih 316 1, Redistributions of source code must retain the above copyright
40     notice, this list of conditions and the following disclaimer.
41     2, Redistributions in binary form must reproduce the above copyright
42     notice, this list of conditions and the following disclaimer in
43     the documentation and/or other materials provided with the
44     distribution.
45     3, The names of its contributors may be used to endorse or promote
46     products derived from this software without specific prior
47     written permission.
48     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
51     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
52     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
53     INCIDENTAL, SPECIAL,EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
54     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
56     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
58     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59     POSSIBILITY OF SUCH DAMAGE.
60 masakih 312 */
61    
62 masaki 63 #import "XspfQTInformationWindowController.h"
63 masaki 72 #import "XspfQTDocument.h"
64 masaki 63
65    
66 masaki 244 static NSString *const XspfQTDocumentQtMovieKeyPath = @"playingMovie";
67     static NSString *const XspfQTCurrentTrackKey = @"currentTrack";
68 masaki 149
69 masaki 63 @implementation XspfQTInformationWindowController
70     static XspfQTInformationWindowController *sharedInstance = nil;
71    
72     + (XspfQTInformationWindowController *)sharedInstance
73     {
74     @synchronized(self) {
75     if (sharedInstance == nil) {
76 masakih 308 sharedInstance = [[super allocWithZone:NULL] init];
77     }
78 masaki 63 }
79     return sharedInstance;
80     }
81    
82     + (id)allocWithZone:(NSZone *)zone
83     {
84 masakih 308 return [[self sharedInstance] retain];
85 masaki 63 }
86    
87     - (id)copyWithZone:(NSZone *)zone
88     {
89     return self;
90     }
91    
92     - (id)retain
93     {
94     return self;
95     }
96    
97 masaki 303 - (NSUInteger)retainCount
98 masaki 63 {
99     return UINT_MAX; //denotes an object that cannot be released
100     }
101    
102     - (void)release
103     {
104     //do nothing
105     }
106    
107     - (id)autorelease
108     {
109     return self;
110     }
111    
112     #pragma mark-
113     - (id)init
114     {
115     [super initWithWindowNibName:@"XspfQTImformation"];
116     observedDocs = [[NSMutableArray array] retain];
117     return self;
118     }
119    
120 masaki 158 + (NSSet *)keyPathsForValuesAffectingMovieAttributes
121     {
122 masaki 244 return [NSSet setWithObject:XspfQTCurrentTrackKey];
123 masaki 158 }
124     + (NSSet *)keyPathsForValuesAffectingSoundTrackAttributes
125     {
126 masaki 244 return [NSSet setWithObject:XspfQTCurrentTrackKey];
127 masaki 158 }
128     + (NSSet *)keyPathsForValuesAffectingVideoTrackAttributes
129     {
130 masaki 244 return [NSSet setWithObject:XspfQTCurrentTrackKey];
131 masaki 158 }
132 masaki 110 - (void)notify
133     {
134 masaki 244 [self willChangeValueForKey:XspfQTCurrentTrackKey];
135 masaki 133 [self performSelector:@selector(didChangeValueForKey:)
136 masaki 244 withObject:XspfQTCurrentTrackKey
137 masaki 133 afterDelay:0.0];
138 masaki 110 }
139 masaki 241 - (void)currentDocumentDidChangeNotification:(id)notification
140     {
141     [self willChangeValueForKey:@"currentDocument"];
142     [self performSelector:@selector(didChangeValueForKey:)
143     withObject:@"currentDocument"
144     afterDelay:0.0];
145     }
146 masaki 110
147 masaki 63 - (void)windowDidLoad
148     {
149     NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
150     [nc addObserver:self
151 masaki 241 selector:@selector(currentDocumentDidChangeNotification:)
152 masaki 63 name:NSWindowDidBecomeMainNotification
153     object:nil];
154     [nc addObserver:self
155 masaki 241 selector:@selector(currentDocumentDidChangeNotification:)
156 masaki 63 name:NSWindowDidResignMainNotification
157     object:nil];
158 masaki 241
159 masaki 63 [nc addObserver:self
160     selector:@selector(notifee:)
161 masaki 133 name:NSWindowDidResizeNotification
162     object:nil];
163    
164    
165 masaki 63 [nc addObserver:self
166     selector:@selector(xspfDocumentWillCloseNotification:)
167 masaki 72 name:XspfQTDocumentWillCloseNotification
168 masaki 63 object:nil];
169    
170     }
171     - (void)dealloc
172     {
173     NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
174     [nc removeObserver:self];
175    
176     [observedDocs release];
177    
178     [super dealloc];
179     }
180    
181 masaki 136 - (void)addObservingDocument:(id)doc
182 masaki 63 {
183 masaki 136 if(!doc) return;
184 masaki 63
185     if(![observedDocs containsObject:doc]) {
186     [doc addObserver:self
187 masaki 244 forKeyPath:XspfQTDocumentQtMovieKeyPath
188 masaki 63 options:0
189     context:NULL];
190     [observedDocs addObject:doc];
191     }
192 masaki 136 }
193 masaki 171 - (id)currentDocument
194 masaki 136 {
195     id doc = [[NSDocumentController sharedDocumentController] currentDocument];
196     if(!doc) return nil;
197     [self addObservingDocument:doc];
198 masaki 63
199 masaki 171 return doc;
200     }
201     - (id)currentTrack
202     {
203     id doc = [self currentDocument];
204    
205 masaki 63 return [doc valueForKeyPath:@"trackList.currentTrack"];
206     }
207     - (id)movieAttributes
208     {
209 masaki 171 id doc = [self currentDocument];
210 masaki 63
211 masaki 171 return [doc valueForKeyPath:@"playingMovie.movieAttributes"];
212 masaki 63 }
213 masaki 149
214     - (id)trackAttributesByType:(NSString *)type
215 masaki 136 {
216 masaki 171 id doc = [self currentDocument];
217 masaki 136
218 masaki 244 id movie = [doc valueForKeyPath:XspfQTDocumentQtMovieKeyPath];
219 masaki 149 NSArray *tracks = [movie tracksOfMediaType:type];
220     if(!tracks || [tracks count] == 0) return nil;
221 masaki 136
222 masaki 149 return [[tracks objectAtIndex:0] trackAttributes];
223 masaki 136 }
224 masaki 149 - (id)soundTrackAttributes
225     {
226     return [self trackAttributesByType:QTMediaTypeSound];
227     }
228 masaki 136 - (id)videoTrackAttributes
229     {
230 masaki 149 return [self trackAttributesByType:QTMediaTypeVideo];
231 masaki 136 }
232    
233 masaki 63 - (void)observeValueForKeyPath:(NSString *)keyPath
234     ofObject:(id)object
235     change:(NSDictionary *)change
236     context:(void *)context
237     {
238 masaki 244 if([keyPath isEqualToString:XspfQTDocumentQtMovieKeyPath]) {
239 masaki 110 [self notify];
240 masaki 63 }
241     }
242    
243     - (void)xspfDocumentWillCloseNotification:(id)notification
244     {
245     id doc = [notification object];
246    
247 masaki 110 if(![observedDocs containsObject:doc]) return;
248    
249 masaki 244 [doc removeObserver:self forKeyPath:XspfQTDocumentQtMovieKeyPath];
250 masaki 63 [observedDocs removeObject:doc];
251     [docController setContent:nil];
252 masaki 110 [currentTrackController setContent:nil];
253    
254     [self notify];
255 masaki 63 }
256     - (void)notifee:(id)notification
257     {
258 masaki 110 [self notify];
259 masaki 63 }
260    
261     @end

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