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lightning-sunbird  0.9+nobinonly
nsWindowMap.mm
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00005  * The contents of this file are subject to the Mozilla Public License
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00014  *
00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is 
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *    Simon Fraser <smfr@smfr.org>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or 
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00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #import "nsWindowMap.h"
00040 
00041 #import "nsChildView.h"
00042 
00043 @interface WindowDataMap(Private)
00044 
00045 - (NSString*)keyForWindow:(NSWindow*)inWindow;
00046 
00047 @end
00048 
00049 @interface TopLevelWindowData(Private)
00050 
00051 - (void)windowResignedKey:(NSNotification*)inNotification;
00052 - (void)windowBecameKey:(NSNotification*)inNotification;
00053 - (void)windowWillClose:(NSNotification*)inNotification;
00054 
00055 @end
00056 
00057 #pragma mark -
00058 
00059 @implementation WindowDataMap
00060 
00061 + (WindowDataMap*)sharedWindowDataMap
00062 {
00063   static WindowDataMap*   sWindowMap = nil;
00064   if (!sWindowMap)
00065     sWindowMap = [[WindowDataMap alloc] init];
00066 
00067   return sWindowMap;
00068 }
00069 
00070 - (id)init
00071 {
00072   if ((self = [super init]))
00073   {
00074     mWindowMap = [[NSMutableDictionary alloc] initWithCapacity:10];
00075   }
00076   return self;
00077 }
00078 
00079 - (void)dealloc
00080 {
00081   [mWindowMap release];
00082   [super dealloc];
00083 }
00084 
00085 - (id)dataForWindow:(NSWindow*)inWindow
00086 {
00087   return [mWindowMap objectForKey:[self keyForWindow:inWindow]];
00088 }
00089 
00090 - (void)setData:(id)inData forWindow:(NSWindow*)inWindow
00091 {
00092   [mWindowMap setObject:inData forKey:[self keyForWindow:inWindow]];
00093 }
00094 
00095 - (void)removeDataForWindow:(NSWindow*)inWindow
00096 {
00097   [mWindowMap removeObjectForKey:[self keyForWindow:inWindow]];
00098 }
00099 
00100 - (NSString*)keyForWindow:(NSWindow*)inWindow
00101 {
00102   return [NSString stringWithFormat:@"%p", inWindow];
00103 }
00104 
00105 @end
00106 
00107 
00108 // 
00109 //  TopLevelWindowData
00110 // 
00111 //  This class holds data about top-level windows. We can't use a window
00112 //  delegate, because an embedder may already have one.
00113 // 
00114 
00115 @implementation TopLevelWindowData
00116 
00117 - (id)initWithWindow:(NSWindow*)inWindow
00118 {
00119   if ((self = [super init]))
00120   {
00121     [[NSNotificationCenter defaultCenter] addObserver:self
00122                                              selector:@selector(windowBecameKey:)
00123                                                  name:NSWindowDidBecomeKeyNotification
00124                                                object:inWindow];
00125 
00126     [[NSNotificationCenter defaultCenter] addObserver:self
00127                                              selector:@selector(windowResignedKey:)
00128                                                  name:NSWindowDidResignKeyNotification
00129                                                object:inWindow];
00130 
00131     [[NSNotificationCenter defaultCenter] addObserver:self
00132                                              selector:@selector(windowWillClose:)
00133                                                  name:NSWindowWillCloseNotification
00134                                                object:inWindow];
00135   }
00136   return self;
00137 }
00138 
00139 - (void)dealloc
00140 {
00141   [[NSNotificationCenter defaultCenter] removeObserver:self];
00142   [super dealloc];
00143 }
00144 
00145 - (void)windowBecameKey:(NSNotification*)inNotification
00146 {
00147   id firstResponder = [[inNotification object] firstResponder];
00148   if ([firstResponder isKindOfClass:[ChildView class]])
00149   {
00150     [firstResponder viewsWindowDidBecomeKey];
00151   }
00152 }
00153 
00154 - (void)windowResignedKey:(NSNotification*)inNotification
00155 {
00156   id firstResponder = [[inNotification object] firstResponder];
00157   if ([firstResponder isKindOfClass:[ChildView class]])
00158   {
00159     [firstResponder viewsWindowDidResignKey];
00160   }
00161 }
00162 
00163 - (void)windowWillClose:(NSNotification*)inNotification
00164 {
00165   // postpone our destruction
00166   [[self retain] autorelease];
00167 
00168   // remove ourselves from the window map (which owns us)
00169   [[WindowDataMap sharedWindowDataMap] removeDataForWindow:[inNotification object]];
00170 }
00171 
00172 @end
00173