Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 176 insertions, 0 deletions

diff --git a/Source/WebCore/bridge/jni/v8/JavaNPObjectV8.cpp b/Source/WebCore/bridge/jni/v8/JavaNPObjectV8.cpp
new file mode 100644
index 0000000..3bb8e27
--- /dev/null
+++ b/Source/WebCore/bridge/jni/v8/JavaNPObjectV8.cpp
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 "JavaNPObjectV8.h"
+
+#include "JNIUtilityPrivate.h"
+#include "JavaClassV8.h"
+#include "JavaInstanceV8.h"
+#include "npruntime_impl.h"
+
+namespace JSC {
+
+namespace Bindings {
+
+static NPObject* AllocJavaNPObject(NPP, NPClass*)
+{
+    JavaNPObject* obj = static_cast<JavaNPObject*>(malloc(sizeof(JavaNPObject)));
+    if (!obj)
+        return 0;
+    memset(obj, 0, sizeof(JavaNPObject));
+    return reinterpret_cast<NPObject*>(obj);
+}
+
+static void FreeJavaNPObject(NPObject* npobj)
+{
+    JavaNPObject* obj = reinterpret_cast<JavaNPObject*>(npobj);
+    obj->m_instance = 0; // free does not call the destructor
+    free(obj);
+}
+
+static NPClass JavaNPObjectClass = {
+    NP_CLASS_STRUCT_VERSION,
+    AllocJavaNPObject, // allocate,
+    FreeJavaNPObject, // free,
+    0, // invalidate
+    JavaNPObjectHasMethod,
+    JavaNPObjectInvoke,
+    0, // invokeDefault,
+    JavaNPObjectHasProperty,
+    JavaNPObjectGetProperty,
+    0, // setProperty
+    0, // removeProperty
+    0, // enumerate
+    0 // construct
+};
+
+NPObject* JavaInstanceToNPObject(JavaInstance* instance)
+{
+    JavaNPObject* object = reinterpret_cast<JavaNPObject*>(_NPN_CreateObject(0, &JavaNPObjectClass));
+    object->m_instance = instance;
+    return reinterpret_cast<NPObject*>(object);
+}
+
+// Returns null if obj is not a wrapper of JavaInstance
+JavaInstance* ExtractJavaInstance(NPObject* obj)
+{
+    if (obj->_class == &JavaNPObjectClass)
+        return reinterpret_cast<JavaNPObject*>(obj)->m_instance.get();
+    return 0;
+}
+
+bool JavaNPObjectHasMethod(NPObject* obj, NPIdentifier identifier)
+{
+    JavaInstance* instance = ExtractJavaInstance(obj);
+    if (!instance)
+        return false;
+    NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
+    if (!name)
+        return false;
+
+    instance->begin();
+    bool result = (instance->getClass()->methodsNamed(name).size() > 0);
+    instance->end();
+
+    // TODO: use NPN_MemFree
+    free(name);
+
+    return result;
+}
+
+bool JavaNPObjectInvoke(NPObject* obj, NPIdentifier identifier, const NPVariant* args, uint32_t argCount, NPVariant* result)
+{
+    JavaInstance* instance = ExtractJavaInstance(obj);
+    if (!instance)
+        return false;
+    NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
+    if (!name)
+        return false;
+
+    instance->begin();
+    bool r = instance->invokeMethod(name, args, argCount, result);
+    instance->end();
+
+    // TODO: use NPN_MemFree
+    free(name);
+    return r;
+}
+
+bool JavaNPObjectHasProperty(NPObject* obj, NPIdentifier identifier)
+{
+    JavaInstance* instance = ExtractJavaInstance(obj);
+    if (!instance)
+        return false;
+    NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
+    if (!name)
+        return false;
+    instance->begin();
+    bool result = instance->getClass()->fieldNamed(name);
+    instance->end();
+    free(name);
+    return result;
+}
+
+bool JavaNPObjectGetProperty(NPObject* obj, NPIdentifier identifier, NPVariant* result)
+{
+    VOID_TO_NPVARIANT(*result);
+    JavaInstance* instance = ExtractJavaInstance(obj);
+    if (!instance)
+        return false;
+    NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
+    if (!name)
+        return false;
+
+    instance->begin();
+    JavaField* field = instance->getClass()->fieldNamed(name);
+    instance->end();
+    free(name); // TODO: use NPN_MemFree
+
+    if (!field)
+        return false;
+
+#ifdef EMULATE_JSC_BINDINGS
+    // JSC does not seem to support returning object properties so we emulate that
+    // behaviour here.
+    jvalue value;
+#else
+    // FIXME: Note here that field->type() refers to the Java class name and NOT the
+    // JNI signature i.e. "int" as opposed to "I". This means that the field lookup
+    // will fail.
+    jvalue value = getJNIField(instance->javaInstance(),
+                               field->getJNIType(),
+                               field->name().utf8(),
+                               field->type());
+#endif
+    convertJValueToNPVariant(value, field->getJNIType(), field->type(), result);
+
+    return true;
+}
+
+} // namespace Bindings
+
+} // namespace JSC