1/*
2 * Copyright (C) 2014 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "config.h"
27#import "WKWebViewContentProviderRegistry.h"
28
29#if WK_API_ENABLED
30
31#if PLATFORM(IOS)
32
33#import "WKPDFView.h"
34#import "WKWebViewInternal.h"
35#import "WebPageProxy.h"
36#import <WebCore/MIMETypeRegistry.h>
37#import <wtf/HashCountedSet.h>
38#import <wtf/HashMap.h>
39#import <wtf/text/StringHash.h>
40#import <wtf/text/WTFString.h>
41
42using namespace WebKit;
43
44@implementation WKWebViewContentProviderRegistry {
45    HashMap<String, Class <WKWebViewContentProvider>, CaseFoldingHash> _contentProviderForMIMEType;
46    HashCountedSet<WebPageProxy*> _pages;
47}
48
49- (instancetype)init
50{
51    if (!(self = [super init]))
52        return nil;
53
54    for (auto& mimeType : WebCore::MIMETypeRegistry::getPDFMIMETypes())
55        [self registerProvider:[WKPDFView class] forMIMEType:mimeType];
56
57    return self;
58}
59
60- (void)addPage:(WebPageProxy&)page
61{
62    ASSERT(!_pages.contains(&page));
63    _pages.add(&page);
64}
65
66- (void)removePage:(WebPageProxy&)page
67{
68    ASSERT(_pages.contains(&page));
69    _pages.remove(&page);
70}
71
72- (void)registerProvider:(Class <WKWebViewContentProvider>)contentProvider forMIMEType:(const String&)mimeType
73{
74    _contentProviderForMIMEType.set(mimeType, contentProvider);
75
76    for (auto& page : _pages)
77        page.key->addMIMETypeWithCustomContentProvider(mimeType);
78}
79
80- (Class <WKWebViewContentProvider>)providerForMIMEType:(const String&)mimeType
81{
82    const auto& representation = _contentProviderForMIMEType.find(mimeType);
83
84    if (representation == _contentProviderForMIMEType.end())
85        return nil;
86
87    return representation->value;
88}
89
90- (Vector<String>)_mimeTypesWithCustomContentProviders
91{
92    Vector<String> mimeTypes;
93    copyKeysToVector(_contentProviderForMIMEType, mimeTypes);
94    return mimeTypes;
95}
96
97@end
98
99#endif // PLATFORM(IOS)
100
101#endif // WK_API_ENABLED
102