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1 /*
2  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
3  * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef PluginPackage_H
28 #define PluginPackage_H
29 
30 #include "FileSystem.h"
31 #include "PlatformString.h"
32 #include "PluginQuirkSet.h"
33 #include "StringHash.h"
34 #include "Timer.h"
35 #include "npruntime_internal.h"
36 #include <wtf/HashMap.h>
37 #include <wtf/RefCounted.h>
38 
39 #if OS(SYMBIAN)
40 class QPluginLoader;
41 class NPInterface;
42 #endif
43 
44 namespace WebCore {
45     typedef HashMap<String, String> MIMEToDescriptionsMap;
46     typedef HashMap<String, Vector<String> > MIMEToExtensionsMap;
47 
48     class PluginPackage : public RefCounted<PluginPackage> {
49     public:
50         ~PluginPackage();
51         static PassRefPtr<PluginPackage> createPackage(const String& path, const time_t& lastModified);
52 
name()53         const String& name() const { return m_name; }
description()54         const String& description() const { return m_description; }
path()55         const String& path() const { return m_path; }
fileName()56         const String& fileName() const { return m_fileName; }
parentDirectory()57         const String& parentDirectory() const { return m_parentDirectory; }
lastModified()58         time_t lastModified() const { return m_lastModified; }
59 
mimeToDescriptions()60         const MIMEToDescriptionsMap& mimeToDescriptions() const { return m_mimeToDescriptions; }
mimeToExtensions()61         const MIMEToExtensionsMap& mimeToExtensions() const { return m_mimeToExtensions; }
62 
63         unsigned hash() const;
64         static bool equal(const PluginPackage& a, const PluginPackage& b);
65 
66         bool load();
67         void unload();
68         void unloadWithoutShutdown();
69 
isEnabled()70         bool isEnabled() const { return m_isEnabled; }
71         void setEnabled(bool);
72 
pluginFuncs()73         const NPPluginFuncs* pluginFuncs() const { return &m_pluginFuncs; }
74         int compareFileVersion(const PlatformModuleVersion&) const;
75         int compare(const PluginPackage&) const;
quirks()76         PluginQuirkSet quirks() const { return m_quirks; }
version()77         const PlatformModuleVersion& version() const { return m_moduleVersion; }
78 #if OS(SYMBIAN)
npInterface()79         NPInterface* npInterface() const { return m_npInterface; }
80 #endif // OS(SYMBIAN)
81 
82     private:
83         PluginPackage(const String& path, const time_t& lastModified);
84 
85 #if OS(SYMBIAN)
86         NPInterface* m_npInterface;
87         QPluginLoader* m_pluginLoader;
88 #endif // OS(SYMBIAN)
89         bool fetchInfo();
90         bool isPluginBlacklisted();
91         void determineQuirks(const String& mimeType);
92 
93         void determineModuleVersionFromDescription();
94         void initializeBrowserFuncs();
95 
96         bool m_isEnabled;
97         bool m_isLoaded;
98         int m_loadCount;
99 
100         String m_description;
101         String m_path;
102         String m_fileName;
103         String m_name;
104         String m_parentDirectory;
105 
106         PlatformModuleVersion m_moduleVersion;
107 
108         MIMEToDescriptionsMap m_mimeToDescriptions;
109         MIMEToExtensionsMap m_mimeToExtensions;
110 
111         PlatformModule m_module;
112         time_t m_lastModified;
113 
114         NPP_ShutdownProcPtr m_NPP_Shutdown;
115         NPPluginFuncs m_pluginFuncs;
116         NPNetscapeFuncs m_browserFuncs;
117 
118         void freeLibrarySoon();
119         void freeLibraryTimerFired(Timer<PluginPackage>*);
120         Timer<PluginPackage> m_freeLibraryTimer;
121 
122         PluginQuirkSet m_quirks;
123     };
124 
125     struct PluginPackageHash {
hashPluginPackageHash126         static unsigned hash(const uintptr_t key) { return reinterpret_cast<PluginPackage*>(key)->hash(); }
hashPluginPackageHash127         static unsigned hash(const RefPtr<PluginPackage>& key) { return key->hash(); }
128 
equalPluginPackageHash129         static bool equal(const uintptr_t a, const uintptr_t b) { return equal(reinterpret_cast<PluginPackage*>(a), reinterpret_cast<PluginPackage*>(b)); }
equalPluginPackageHash130         static bool equal(const RefPtr<PluginPackage>& a, const RefPtr<PluginPackage>& b) { return PluginPackage::equal(*a.get(), *b.get()); }
131         static const bool safeToCompareToEmptyOrDeleted = false;
132     };
133 
134 } // namespace WebCore
135 
136 #endif
137