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      1 /*
      2  * Copyright (C) 2010 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 
     33 #if ENABLE(FILE_SYSTEM)
     34 
     35 #include "JSDirectoryEntry.h"
     36 
     37 #include "ExceptionCode.h"
     38 #include "JSDOMBinding.h"
     39 #include "JSEntryCallback.h"
     40 #include "JSErrorCallback.h"
     41 #include "JSWebKitFlags.h"
     42 #include <wtf/Assertions.h>
     43 
     44 using namespace JSC;
     45 
     46 namespace WebCore {
     47 
     48 JSValue JSDirectoryEntry::getFile(ExecState* exec)
     49 {
     50     DirectoryEntry* imp = static_cast<DirectoryEntry*>(impl());
     51     const String& path = valueToStringWithUndefinedOrNullCheck(exec, exec->argument(0));
     52     if (exec->hadException())
     53         return jsUndefined();
     54 
     55     int argsCount = exec->argumentCount();
     56     if (argsCount <= 1) {
     57         imp->getFile(path);
     58         return jsUndefined();
     59     }
     60 
     61     RefPtr<WebKitFlags> flags;
     62     if (!exec->argument(1).isNull() && !exec->argument(1).isUndefined() && exec->argument(1).isObject() && !exec->argument(1).inherits(&JSWebKitFlags::s_info)) {
     63         JSObject* object = exec->argument(1).getObject();
     64         flags = WebKitFlags::create();
     65         JSValue jsCreate = object->get(exec, Identifier(exec, "create"));
     66         flags->setCreate(jsCreate.toBoolean(exec));
     67         JSValue jsExclusive = object->get(exec, Identifier(exec, "exclusive"));
     68         flags->setExclusive(jsExclusive.toBoolean(exec));
     69     } else
     70         flags = toWebKitFlags(exec->argument(1));
     71     if (exec->hadException())
     72         return jsUndefined();
     73     RefPtr<EntryCallback> successCallback;
     74     if (exec->argumentCount() > 2 && !exec->argument(2).isNull() && !exec->argument(2).isUndefined()) {
     75         if (!exec->argument(2).isObject()) {
     76             setDOMException(exec, TYPE_MISMATCH_ERR);
     77             return jsUndefined();
     78         }
     79         successCallback = JSEntryCallback::create(asObject(exec->argument(2)), globalObject());
     80     }
     81     RefPtr<ErrorCallback> errorCallback;
     82     if (exec->argumentCount() > 3 && !exec->argument(3).isNull() && !exec->argument(3).isUndefined()) {
     83         if (!exec->argument(3).isObject()) {
     84             setDOMException(exec, TYPE_MISMATCH_ERR);
     85             return jsUndefined();
     86         }
     87         errorCallback = JSErrorCallback::create(asObject(exec->argument(3)), globalObject());
     88     }
     89 
     90     imp->getFile(path, flags, successCallback, errorCallback);
     91     return jsUndefined();
     92 }
     93 
     94 JSValue JSDirectoryEntry::getDirectory(ExecState* exec)
     95 {
     96     DirectoryEntry* imp = static_cast<DirectoryEntry*>(impl());
     97     const String& path = valueToStringWithUndefinedOrNullCheck(exec, exec->argument(0));
     98     if (exec->hadException())
     99         return jsUndefined();
    100 
    101     int argsCount = exec->argumentCount();
    102     if (argsCount <= 1) {
    103         imp->getDirectory(path);
    104         return jsUndefined();
    105     }
    106 
    107     RefPtr<WebKitFlags> flags;
    108     if (!exec->argument(1).isNull() && !exec->argument(1).isUndefined() && exec->argument(1).isObject() && !exec->argument(1).inherits(&JSWebKitFlags::s_info)) {
    109         JSObject* object = exec->argument(1).getObject();
    110         flags = WebKitFlags::create();
    111         JSValue jsCreate = object->get(exec, Identifier(exec, "create"));
    112         flags->setCreate(jsCreate.toBoolean(exec));
    113         JSValue jsExclusive = object->get(exec, Identifier(exec, "exclusive"));
    114         flags->setExclusive(jsExclusive.toBoolean(exec));
    115     } else
    116         flags = toWebKitFlags(exec->argument(1));
    117     if (exec->hadException())
    118         return jsUndefined();
    119     RefPtr<EntryCallback> successCallback;
    120     if (exec->argumentCount() > 2 && !exec->argument(2).isNull() && !exec->argument(2).isUndefined()) {
    121         if (!exec->argument(2).isObject()) {
    122             setDOMException(exec, TYPE_MISMATCH_ERR);
    123             return jsUndefined();
    124         }
    125         successCallback = JSEntryCallback::create(asObject(exec->argument(2)), globalObject());
    126     }
    127     RefPtr<ErrorCallback> errorCallback;
    128     if (exec->argumentCount() > 3 && !exec->argument(3).isNull() && !exec->argument(3).isUndefined()) {
    129         if (!exec->argument(3).isObject()) {
    130             setDOMException(exec, TYPE_MISMATCH_ERR);
    131             return jsUndefined();
    132         }
    133         errorCallback = JSErrorCallback::create(asObject(exec->argument(3)), globalObject());
    134     }
    135 
    136     imp->getDirectory(path, flags, successCallback, errorCallback);
    137     return jsUndefined();
    138 }
    139 
    140 } // namespace WebCore
    141 
    142 #endif // ENABLE(FILE_SYSTEM)
    143