Merge WebKit at r82507: Initial merge by git

Change-Id: I60ce9d780725b58b45e54165733a8ffee23b683e

1 files changed, 111 insertions, 0 deletions

diff --git a/Source/WebCore/bindings/js/JSInjectedScriptManager.cpp b/Source/WebCore/bindings/js/JSInjectedScriptManager.cpp
new file mode 100644
index 0000000..1843cd2
--- /dev/null
+++ b/Source/WebCore/bindings/js/JSInjectedScriptManager.cpp
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
+ * Copyright (C) 2010-2011 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 "InjectedScriptManager.h"
+
+#if ENABLE(INSPECTOR)
+
+#include "ExceptionCode.h"
+#include "InjectedScript.h"
+#include "JSDOMWindow.h"
+#include "JSDOMWindowCustom.h"
+#include "JSInjectedScriptHost.h"
+#include "JSMainThreadExecState.h"
+#include <parser/SourceCode.h>
+#include <runtime/JSLock.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+ScriptObject InjectedScriptManager::createInjectedScript(const String& source, ScriptState* scriptState, long id)
+{
+    SourceCode sourceCode = makeSource(stringToUString(source));
+    JSLock lock(SilenceAssertionsOnly);
+    JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
+    JSValue globalThisValue = scriptState->globalThisValue();
+    Completion comp = JSMainThreadExecState::evaluate(scriptState, globalObject->globalScopeChain(), sourceCode, globalThisValue);
+    if (comp.complType() != JSC::Normal && comp.complType() != JSC::ReturnValue)
+        return ScriptObject();
+    JSValue functionValue = comp.value();
+    CallData callData;
+    CallType callType = getCallData(functionValue, callData);
+    if (callType == CallTypeNone)
+        return ScriptObject();
+
+    MarkedArgumentBuffer args;
+    args.append(toJS(scriptState, globalObject, m_injectedScriptHost.get()));
+    args.append(globalThisValue);
+    args.append(jsNumber(id));
+    JSValue result = JSC::call(scriptState, functionValue, callType, callData, globalThisValue, args);
+    if (result.isObject())
+        return ScriptObject(scriptState, result.getObject());
+    return ScriptObject();
+}
+
+void InjectedScriptManager::discardInjectedScript(ScriptState* scriptState)
+{
+    JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
+    globalObject->setInjectedScript(0);
+}
+
+InjectedScript InjectedScriptManager::injectedScriptFor(ScriptState* scriptState)
+{
+    JSLock lock(SilenceAssertionsOnly);
+    JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
+    JSObject* injectedScript = globalObject->injectedScript();
+    if (injectedScript)
+        return InjectedScript(ScriptObject(scriptState, injectedScript));
+
+    if (!canAccessInspectedWindow(scriptState))
+        return InjectedScript();
+
+    pair<long, ScriptObject> injectedScriptObject = injectScript(injectedScriptSource(), scriptState);
+    globalObject->setInjectedScript(injectedScriptObject.second.jsObject());
+    InjectedScript result(injectedScriptObject.second);
+    m_idToInjectedScript.set(injectedScriptObject.first, result);
+    return result;
+}
+
+bool InjectedScriptManager::canAccessInspectedWindow(ScriptState* scriptState)
+{
+    JSLock lock(SilenceAssertionsOnly);
+    JSDOMWindow* inspectedWindow = toJSDOMWindow(scriptState->lexicalGlobalObject());
+    if (!inspectedWindow)
+        return false;
+    return inspectedWindow->allowsAccessFromNoErrorMessage(scriptState);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INSPECTOR)