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      1 /*
      2  * Copyright (C) 2007 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  *
      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 #include "config.h"
     30 #include "JSDatabase.h"
     31 
     32 #if ENABLE(DATABASE)
     33 
     34 #include "DOMWindow.h"
     35 #include "Database.h"
     36 #include "Document.h"
     37 #include "ExceptionCode.h"
     38 #include "JSCustomSQLTransactionCallback.h"
     39 #include "JSCustomSQLTransactionErrorCallback.h"
     40 #include "JSCustomVoidCallback.h"
     41 #include "JSDOMWindowCustom.h"
     42 #include "PlatformString.h"
     43 #include "SQLValue.h"
     44 #include <runtime/JSArray.h>
     45 
     46 namespace WebCore {
     47 
     48 using namespace JSC;
     49 
     50 JSValue JSDatabase::changeVersion(ExecState* exec, const ArgList& args)
     51 {
     52     String oldVersion = args.at(0).toString(exec);
     53     String newVersion = args.at(1).toString(exec);
     54 
     55     JSObject* object;
     56     if (!(object = args.at(2).getObject())) {
     57         setDOMException(exec, TYPE_MISMATCH_ERR);
     58         return jsUndefined();
     59     }
     60 
     61     RefPtr<SQLTransactionCallback> callback(JSCustomSQLTransactionCallback::create(object, static_cast<JSDOMGlobalObject*>(exec->dynamicGlobalObject())));
     62 
     63     RefPtr<SQLTransactionErrorCallback> errorCallback;
     64     if (!args.at(3).isNull()) {
     65         if (!(object = args.at(3).getObject())) {
     66             setDOMException(exec, TYPE_MISMATCH_ERR);
     67             return jsUndefined();
     68         }
     69 
     70         errorCallback = JSCustomSQLTransactionErrorCallback::create(object, static_cast<JSDOMGlobalObject*>(exec->dynamicGlobalObject()));
     71     }
     72 
     73     RefPtr<VoidCallback> successCallback;
     74     if (!args.at(4).isNull()) {
     75         if (!(object = args.at(4).getObject())) {
     76             setDOMException(exec, TYPE_MISMATCH_ERR);
     77             return jsUndefined();
     78         }
     79 
     80         successCallback = JSCustomVoidCallback::create(object, static_cast<JSDOMGlobalObject*>(exec->dynamicGlobalObject()));
     81     }
     82 
     83     m_impl->changeVersion(oldVersion, newVersion, callback.release(), errorCallback.release(), successCallback.release());
     84 
     85     return jsUndefined();
     86 }
     87 
     88 static JSValue createTransaction(ExecState* exec, const ArgList& args, Database* database, JSDOMGlobalObject* globalObject, bool readOnly)
     89 {
     90     JSObject* object;
     91 
     92     if (!(object = args.at(0).getObject())) {
     93         setDOMException(exec, TYPE_MISMATCH_ERR);
     94         return jsUndefined();
     95     }
     96 
     97     RefPtr<SQLTransactionCallback> callback(JSCustomSQLTransactionCallback::create(object, globalObject));
     98     RefPtr<SQLTransactionErrorCallback> errorCallback;
     99 
    100     if (args.size() > 1 && !args.at(1).isNull()) {
    101         if (!(object = args.at(1).getObject())) {
    102             setDOMException(exec, TYPE_MISMATCH_ERR);
    103             return jsUndefined();
    104         }
    105 
    106         errorCallback = JSCustomSQLTransactionErrorCallback::create(object, globalObject);
    107     }
    108 
    109     RefPtr<VoidCallback> successCallback;
    110     if (args.size() > 2 && !args.at(2).isNull()) {
    111         if (!(object = args.at(2).getObject())) {
    112             setDOMException(exec, TYPE_MISMATCH_ERR);
    113             return jsUndefined();
    114         }
    115 
    116         successCallback = JSCustomVoidCallback::create(object, globalObject);
    117     }
    118 
    119     database->transaction(callback.release(), errorCallback.release(), successCallback.release(), readOnly);
    120     return jsUndefined();
    121 }
    122 
    123 JSValue JSDatabase::transaction(ExecState* exec, const ArgList& args)
    124 {
    125     return createTransaction(exec, args, m_impl.get(), static_cast<JSDOMGlobalObject*>(exec->dynamicGlobalObject()), false);
    126 }
    127 
    128 JSValue JSDatabase::readTransaction(ExecState* exec, const ArgList& args)
    129 {
    130     return createTransaction(exec, args, m_impl.get(), static_cast<JSDOMGlobalObject*>(exec->dynamicGlobalObject()), true);
    131 }
    132 
    133 }
    134 
    135 #endif // ENABLE(DATABASE)
    136