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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Matt Lilek <webkit (at) mattlilek.com>
      4  * Copyright (C) 2010-2011 Google Inc. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are
      8  * met:
      9  *
     10  *     * Redistributions of source code must retain the above copyright
     11  * notice, this list of conditions and the following disclaimer.
     12  *     * Redistributions in binary form must reproduce the above
     13  * copyright notice, this list of conditions and the following disclaimer
     14  * in the documentation and/or other materials provided with the
     15  * distribution.
     16  *     * Neither the name of Google Inc. nor the names of its
     17  * contributors may be used to endorse or promote products derived from
     18  * this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "config.h"
     34 #include "JSInjectedScriptHost.h"
     35 
     36 #if ENABLE(INSPECTOR)
     37 
     38 #if ENABLE(DATABASE)
     39 #include "Database.h"
     40 #include "JSDatabase.h"
     41 #endif
     42 #include "ExceptionCode.h"
     43 #include "InjectedScriptHost.h"
     44 #include "InspectorDebuggerAgent.h"
     45 #include "InspectorValues.h"
     46 #include "JSNode.h"
     47 #include "ScriptValue.h"
     48 #if ENABLE(DOM_STORAGE)
     49 #include "Storage.h"
     50 #include "JSStorage.h"
     51 #endif
     52 #include <runtime/JSLock.h>
     53 
     54 #if ENABLE(JAVASCRIPT_DEBUGGER)
     55 #include "JavaScriptCallFrame.h"
     56 #include "JSJavaScriptCallFrame.h"
     57 #include "ScriptDebugServer.h"
     58 #endif
     59 
     60 using namespace JSC;
     61 
     62 namespace WebCore {
     63 
     64 Node* InjectedScriptHost::scriptValueAsNode(ScriptValue value)
     65 {
     66     if (!value.isObject() || value.isNull())
     67         return 0;
     68     return toNode(value.jsValue());
     69 }
     70 
     71 ScriptValue InjectedScriptHost::nodeAsScriptValue(ScriptState* state, Node* node)
     72 {
     73     JSLock lock(SilenceAssertionsOnly);
     74     return ScriptValue(state->globalData(), toJS(state, node));
     75 }
     76 
     77 JSValue JSInjectedScriptHost::currentCallFrame(ExecState* exec)
     78 {
     79 #if ENABLE(JAVASCRIPT_DEBUGGER)
     80     JavaScriptCallFrame* callFrame = impl()->debuggerAgent()->scriptDebugServer().currentCallFrame();
     81     if (!callFrame || !callFrame->isValid())
     82         return jsUndefined();
     83 
     84     JSLock lock(SilenceAssertionsOnly);
     85     return toJS(exec, callFrame);
     86 #else
     87     UNUSED_PARAM(exec);
     88     return jsUndefined();
     89 #endif
     90 }
     91 
     92 JSValue JSInjectedScriptHost::inspectedNode(ExecState* exec)
     93 {
     94     if (exec->argumentCount() < 1)
     95         return jsUndefined();
     96 
     97     Node* node = impl()->inspectedNode(exec->argument(0).toInt32(exec));
     98     if (!node)
     99         return jsUndefined();
    100 
    101     JSLock lock(SilenceAssertionsOnly);
    102     return toJS(exec, node);
    103 }
    104 
    105 JSValue JSInjectedScriptHost::internalConstructorName(ExecState* exec)
    106 {
    107     if (exec->argumentCount() < 1)
    108         return jsUndefined();
    109 
    110     UString result = exec->argument(0).toThisObject(exec)->className();
    111     return jsString(exec, result);
    112 }
    113 
    114 JSValue JSInjectedScriptHost::inspect(ExecState* exec)
    115 {
    116     if (exec->argumentCount() >= 2) {
    117         ScriptValue object(exec->globalData(), exec->argument(0));
    118         ScriptValue hints(exec->globalData(), exec->argument(1));
    119         impl()->inspectImpl(object.toInspectorValue(exec), hints.toInspectorValue(exec));
    120     }
    121     return jsUndefined();
    122 }
    123 
    124 JSValue JSInjectedScriptHost::databaseId(ExecState* exec)
    125 {
    126     if (exec->argumentCount() < 1)
    127         return jsUndefined();
    128 #if ENABLE(DATABASE)
    129     Database* database = toDatabase(exec->argument(0));
    130     if (database)
    131         return jsNumber(impl()->databaseIdImpl(database));
    132 #endif
    133     return jsUndefined();
    134 }
    135 
    136 JSValue JSInjectedScriptHost::storageId(ExecState* exec)
    137 {
    138     if (exec->argumentCount() < 1)
    139         return jsUndefined();
    140 #if ENABLE(DOM_STORAGE)
    141     Storage* storage = toStorage(exec->argument(0));
    142     if (storage)
    143         return jsNumber(impl()->storageIdImpl(storage));
    144 #endif
    145     return jsUndefined();
    146 }
    147 
    148 } // namespace WebCore
    149 
    150 #endif // ENABLE(INSPECTOR)
    151