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      1 /*
      2  * Copyright (C) 2009 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 #include "ScriptObject.h"
     33 
     34 #include "JSDOMBinding.h"
     35 
     36 #include <runtime/JSLock.h>
     37 
     38 #if ENABLE(INSPECTOR)
     39 #include "JSInjectedScriptHost.h"
     40 #include "JSInspectorFrontendHost.h"
     41 #endif
     42 
     43 using namespace JSC;
     44 
     45 namespace WebCore {
     46 
     47 ScriptObject::ScriptObject(ScriptState* scriptState, JSObject* object)
     48     : ScriptValue(scriptState->globalData(), object)
     49     , m_scriptState(scriptState)
     50 {
     51 }
     52 
     53 static bool handleException(ScriptState* scriptState)
     54 {
     55     if (!scriptState->hadException())
     56         return true;
     57 
     58     reportException(scriptState, scriptState->exception());
     59     return false;
     60 }
     61 
     62 bool ScriptGlobalObject::set(ScriptState* scriptState, const char* name, const ScriptObject& value)
     63 {
     64     JSLock lock(SilenceAssertionsOnly);
     65     scriptState->lexicalGlobalObject()->putDirect(scriptState->globalData(), Identifier(scriptState, name), value.jsObject());
     66     return handleException(scriptState);
     67 }
     68 
     69 #if ENABLE(INSPECTOR)
     70 bool ScriptGlobalObject::set(ScriptState* scriptState, const char* name, InspectorFrontendHost* value)
     71 {
     72     JSLock lock(SilenceAssertionsOnly);
     73     JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
     74     globalObject->putDirect(scriptState->globalData(), Identifier(scriptState, name), toJS(scriptState, globalObject, value));
     75     return handleException(scriptState);
     76 }
     77 
     78 bool ScriptGlobalObject::set(ScriptState* scriptState, const char* name, InjectedScriptHost* value)
     79 {
     80     JSLock lock(SilenceAssertionsOnly);
     81     JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
     82     globalObject->putDirect(scriptState->globalData(), Identifier(scriptState, name), toJS(scriptState, globalObject, value));
     83     return handleException(scriptState);
     84 }
     85 #endif // ENABLE(INSPECTOR)
     86 
     87 bool ScriptGlobalObject::get(ScriptState* scriptState, const char* name, ScriptObject& value)
     88 {
     89     JSLock lock(SilenceAssertionsOnly);
     90     JSValue jsValue = scriptState->lexicalGlobalObject()->get(scriptState, Identifier(scriptState, name));
     91     if (!jsValue)
     92         return false;
     93 
     94     if (!jsValue.isObject())
     95         return false;
     96 
     97     value = ScriptObject(scriptState, asObject(jsValue));
     98     return true;
     99 }
    100 
    101 bool ScriptGlobalObject::remove(ScriptState* scriptState, const char* name)
    102 {
    103     JSLock lock(SilenceAssertionsOnly);
    104     scriptState->lexicalGlobalObject()->deleteProperty(scriptState, Identifier(scriptState, name));
    105     return handleException(scriptState);
    106 }
    107 
    108 } // namespace WebCore
    109