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      1 /*
      2  * Copyright (C) 2011 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 #ifndef WebIconDatabase_h
     27 #define WebIconDatabase_h
     28 
     29 #include "APIObject.h"
     30 
     31 #include "Connection.h"
     32 #include "WebIconDatabaseClient.h"
     33 #include <WebCore/IconDatabaseClient.h>
     34 #include <wtf/Forward.h>
     35 #include <wtf/PassRefPtr.h>
     36 #include <wtf/RefPtr.h>
     37 #include <wtf/Vector.h>
     38 #include <wtf/text/StringHash.h>
     39 
     40 namespace CoreIPC {
     41 class ArgumentDecoder;
     42 class DataReference;
     43 class MessageID;
     44 }
     45 
     46 namespace WebCore {
     47 class IconDatabase;
     48 class Image;
     49 }
     50 
     51 namespace WebKit {
     52 
     53 class WebContext;
     54 
     55 class WebIconDatabase : public APIObject, public WebCore::IconDatabaseClient {
     56 public:
     57     static const Type APIType = TypeIconDatabase;
     58 
     59     static PassRefPtr<WebIconDatabase> create(WebContext*);
     60     virtual ~WebIconDatabase();
     61 
     62     void invalidate();
     63     void clearContext() { m_webContext = 0; }
     64     void setDatabasePath(const String&);
     65     void enableDatabaseCleanup();
     66 
     67     void retainIconForPageURL(const String&);
     68     void releaseIconForPageURL(const String&);
     69     void setIconURLForPageURL(const String&, const String&);
     70     void setIconDataForIconURL(const CoreIPC::DataReference&, const String&);
     71 
     72     void synchronousIconDataForPageURL(const String&, CoreIPC::DataReference&);
     73     void synchronousIconURLForPageURL(const String&, String&);
     74     void synchronousIconDataKnownForIconURL(const String&, bool&) const;
     75     void synchronousLoadDecisionForIconURL(const String&, int&) const;
     76 
     77     void getLoadDecisionForIconURL(const String&, uint64_t callbackID);
     78 
     79     WebCore::Image* imageForPageURL(const String&);
     80 
     81     void removeAllIcons();
     82     void checkIntegrityBeforeOpening();
     83     void close();
     84 
     85     void initializeIconDatabaseClient(const WKIconDatabaseClient*);
     86 
     87     // WebCore::IconDatabaseClient
     88     virtual bool performImport();
     89     virtual void didImportIconURLForPageURL(const String&);
     90     virtual void didImportIconDataForPageURL(const String&);
     91     virtual void didChangeIconForPageURL(const String&);
     92     virtual void didRemoveAllIcons();
     93     virtual void didFinishURLImport();
     94 
     95     void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
     96     CoreIPC::SyncReplyMode didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
     97 
     98 private:
     99     WebIconDatabase(WebContext*);
    100 
    101     virtual Type type() const { return APIType; }
    102 
    103     void didReceiveWebIconDatabaseMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
    104     CoreIPC::SyncReplyMode didReceiveSyncWebIconDatabaseMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
    105 
    106     WebContext* m_webContext;
    107 
    108     OwnPtr<WebCore::IconDatabase> m_iconDatabaseImpl;
    109     bool m_urlImportCompleted;
    110     bool m_databaseCleanupDisabled;
    111     HashMap<uint64_t, String> m_pendingLoadDecisionURLMap;
    112 
    113     WebIconDatabaseClient m_iconDatabaseClient;
    114 };
    115 
    116 } // namespace WebKit
    117 
    118 #endif // WebIconDatabase_h
    119