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1/*
2 * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#import <WebKit/WebKitErrors.h>
30
31#import <WebKit/WebKitErrorsPrivate.h>
32#import <WebKit/WebLocalizableStrings.h>
33#import <WebKit/WebNSURLExtras.h>
34
35#import <pthread.h>
36
37NSString *WebKitErrorDomain = @"WebKitErrorDomain";
38
39NSString * const WebKitErrorMIMETypeKey =               @"WebKitErrorMIMETypeKey";
40NSString * const WebKitErrorPlugInNameKey =             @"WebKitErrorPlugInNameKey";
41NSString * const WebKitErrorPlugInPageURLStringKey =    @"WebKitErrorPlugInPageURLStringKey";
42
43// Policy errors
44#define WebKitErrorDescriptionCannotShowMIMEType UI_STRING("Content with specified MIME type can’t be shown", "WebKitErrorCannotShowMIMEType description")
45#define WebKitErrorDescriptionCannotShowURL UI_STRING("The URL can’t be shown", "WebKitErrorCannotShowURL description")
46#define WebKitErrorDescriptionFrameLoadInterruptedByPolicyChange UI_STRING("Frame load interrupted", "WebKitErrorFrameLoadInterruptedByPolicyChange description")
47#define WebKitErrorDescriptionCannotUseRestrictedPort UI_STRING("Not allowed to use restricted network port", "WebKitErrorCannotUseRestrictedPort description")
48
49// Plug-in and java errors
50#define WebKitErrorDescriptionCannotFindPlugin UI_STRING("The plug-in can’t be found", "WebKitErrorCannotFindPlugin description")
51#define WebKitErrorDescriptionCannotLoadPlugin UI_STRING("The plug-in can’t be loaded", "WebKitErrorCannotLoadPlugin description")
52#define WebKitErrorDescriptionJavaUnavailable UI_STRING("Java is unavailable", "WebKitErrorJavaUnavailable description")
53#define WebKitErrorDescriptionPlugInCancelledConnection UI_STRING("Plug-in cancelled", "WebKitErrorPlugInCancelledConnection description")
54#define WebKitErrorDescriptionPlugInWillHandleLoad UI_STRING("Plug-in handled load", "WebKitErrorPlugInWillHandleLoad description")
55
56static pthread_once_t registerErrorsControl = PTHREAD_ONCE_INIT;
57static void registerErrors(void);
58
59@implementation NSError (WebKitExtras)
60
61static NSMutableDictionary *descriptions = nil;
62
63+ (void)_registerWebKitErrors
64{
65    pthread_once(&registerErrorsControl, registerErrors);
66}
67
68-(id)_webkit_initWithDomain:(NSString *)domain code:(int)code URL:(NSURL *)URL
69{
70    NSDictionary *descriptionsDict;
71    NSString *localizedDesc;
72    NSDictionary *dict;
73    // insert a localized string here for those folks not savvy to our category methods
74    descriptionsDict = [descriptions objectForKey:domain];
75    localizedDesc = descriptionsDict ? [descriptionsDict objectForKey:[NSNumber numberWithInt:code]] : nil;
76    dict = [NSDictionary dictionaryWithObjectsAndKeys:
77        URL, @"NSErrorFailingURLKey",
78        [URL absoluteString], @"NSErrorFailingURLStringKey",
79        localizedDesc, NSLocalizedDescriptionKey,
80        nil];
81    return [self initWithDomain:domain code:code userInfo:dict];
82}
83
84+(id)_webkit_errorWithDomain:(NSString *)domain code:(int)code URL:(NSURL *)URL
85{
86    return [[[self alloc] _webkit_initWithDomain:domain code:code URL:URL] autorelease];
87}
88
89+ (NSError *)_webKitErrorWithDomain:(NSString *)domain code:(int)code URL:(NSURL *)URL
90{
91    [self _registerWebKitErrors];
92    return [self _webkit_errorWithDomain:domain code:code URL:URL];
93}
94
95+ (NSError *)_webKitErrorWithCode:(int)code failingURL:(NSString *)URLString
96{
97    return [self _webKitErrorWithDomain:WebKitErrorDomain code:code URL:[NSURL _web_URLWithUserTypedString:URLString]];
98}
99
100- (id)_initWithPluginErrorCode:(int)code
101                    contentURL:(NSURL *)contentURL
102                 pluginPageURL:(NSURL *)pluginPageURL
103                    pluginName:(NSString *)pluginName
104                      MIMEType:(NSString *)MIMEType
105{
106    [[self class] _registerWebKitErrors];
107
108    NSMutableDictionary *userInfo = [[NSMutableDictionary alloc] init];
109    NSDictionary *descriptionsForWebKitErrorDomain = [descriptions objectForKey:WebKitErrorDomain];
110    NSString *localizedDescription = [descriptionsForWebKitErrorDomain objectForKey:[NSNumber numberWithInt:code]];
111    if (localizedDescription)
112        [userInfo setObject:localizedDescription forKey:NSLocalizedDescriptionKey];
113    if (contentURL) {
114        [userInfo setObject:contentURL forKey:@"NSErrorFailingURLKey"];
115#if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD)
116        [userInfo setObject:[contentURL _web_userVisibleString] forKey:NSErrorFailingURLStringKey];
117#else
118        [userInfo setObject:[contentURL _web_userVisibleString] forKey:NSURLErrorFailingURLStringErrorKey];
119#endif
120    }
121    if (pluginPageURL) {
122        [userInfo setObject:[pluginPageURL _web_userVisibleString] forKey:WebKitErrorPlugInPageURLStringKey];
123    }
124    if (pluginName) {
125        [userInfo setObject:pluginName forKey:WebKitErrorPlugInNameKey];
126    }
127    if (MIMEType) {
128        [userInfo setObject:MIMEType forKey:WebKitErrorMIMETypeKey];
129    }
130
131    NSDictionary *userInfoCopy = [userInfo count] > 0 ? [[NSDictionary alloc] initWithDictionary:userInfo] : nil;
132    [userInfo release];
133    NSError *error = [self initWithDomain:WebKitErrorDomain code:code userInfo:userInfoCopy];
134    [userInfoCopy release];
135
136    return error;
137}
138
139+ (void)_webkit_addErrorsWithCodesAndDescriptions:(NSDictionary *)dictionary inDomain:(NSString *)domain
140{
141    if (!descriptions)
142        descriptions = [[NSMutableDictionary alloc] init];
143
144    [descriptions setObject:dictionary forKey:domain];
145}
146
147static void registerErrors()
148{
149    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
150
151    NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
152        // Policy errors
153        WebKitErrorDescriptionCannotShowMIMEType,                   [NSNumber numberWithInt: WebKitErrorCannotShowMIMEType],
154        WebKitErrorDescriptionCannotShowURL,                        [NSNumber numberWithInt: WebKitErrorCannotShowURL],
155        WebKitErrorDescriptionFrameLoadInterruptedByPolicyChange,   [NSNumber numberWithInt: WebKitErrorFrameLoadInterruptedByPolicyChange],
156        WebKitErrorDescriptionCannotUseRestrictedPort,              [NSNumber numberWithInt: WebKitErrorCannotUseRestrictedPort],
157
158        // Plug-in and java errors
159        WebKitErrorDescriptionCannotFindPlugin,                     [NSNumber numberWithInt: WebKitErrorCannotFindPlugIn],
160        WebKitErrorDescriptionCannotLoadPlugin,                     [NSNumber numberWithInt: WebKitErrorCannotLoadPlugIn],
161        WebKitErrorDescriptionJavaUnavailable,                      [NSNumber numberWithInt: WebKitErrorJavaUnavailable],
162        WebKitErrorDescriptionPlugInCancelledConnection,            [NSNumber numberWithInt: WebKitErrorPlugInCancelledConnection],
163        WebKitErrorDescriptionPlugInWillHandleLoad,                 [NSNumber numberWithInt: WebKitErrorPlugInWillHandleLoad],
164        nil];
165
166    [NSError _webkit_addErrorsWithCodesAndDescriptions:dict inDomain:WebKitErrorDomain];
167
168    [pool drain];
169}
170
171@end
172