JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / inspector / InjectedScriptHost.cpp

diff --git a/inspector/InjectedScriptHost.cpp b/inspector/InjectedScriptHost.cpp
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "InjectedScriptHost.h"
+
+#if ENABLE(INSPECTOR)
+
+#include "JSInjectedScriptHost.h"
+
+using namespace JSC;
+
+namespace Inspector {
+
+InjectedScriptHost::~InjectedScriptHost()
+{
+}
+
+JSValue InjectedScriptHost::jsWrapper(ExecState* exec, JSGlobalObject* globalObject)
+{
+    auto key = std::make_pair(exec, globalObject);
+    auto it = m_wrappers.find(key);
+    if (it != m_wrappers.end())
+        return it->value.get();
+
+    JSValue jsValue = toJS(exec, globalObject, this);
+    if (!jsValue.isObject())
+        return jsValue;
+
+    JSObject* jsObject = jsValue.toObject(exec, globalObject);
+    Strong<JSObject> wrapper(exec->vm(), jsObject);
+    m_wrappers.add(key, wrapper);
+
+    return jsValue;
+}
+
+static void clearWrapperFromValue(JSValue value)
+{
+    JSInjectedScriptHost* jsInjectedScriptHost = toJSInjectedScriptHost(value);
+    ASSERT(jsInjectedScriptHost);
+    if (jsInjectedScriptHost)
+        jsInjectedScriptHost->releaseImpl();
+}
+
+void InjectedScriptHost::clearWrapper(ExecState* exec, JSGlobalObject* globalObject)
+{
+    auto key = std::make_pair(exec, globalObject);
+    clearWrapperFromValue(m_wrappers.take(key).get());
+}
+
+void InjectedScriptHost::clearAllWrappers()
+{
+    for (auto& wrapper : m_wrappers)
+        clearWrapperFromValue(wrapper.value.get());
+
+    m_wrappers.clear();
+}
+
+} // namespace Inspector
+
+#endif // ENABLE(INSPECTOR)