diff options
Diffstat (limited to 'WebCore/bridge/jni/jni_instance.cpp')
| -rw-r--r-- | WebCore/bridge/jni/jni_instance.cpp | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/WebCore/bridge/jni/jni_instance.cpp b/WebCore/bridge/jni/jni_instance.cpp deleted file mode 100644 index 6b23900..0000000 --- a/WebCore/bridge/jni/jni_instance.cpp +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Copyright (C) 2003, 2008 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 COMPUTER, 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 COMPUTER, 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 "jni_instance.h" - -#ifdef ANDROID -#include <assert.h> -#endif - -#if ENABLE(MAC_JAVA_BRIDGE) - -#include "jni_class.h" -#include "jni_runtime.h" -#include "jni_utility.h" -#include "runtime_object.h" -#include "runtime_root.h" -#include <runtime/ArgList.h> -#include <runtime/Error.h> -#include <runtime/JSLock.h> - -#ifdef NDEBUG -#define JS_LOG(formatAndArgs...) ((void)0) -#else -#define JS_LOG(formatAndArgs...) { \ - fprintf (stderr, "%s:%d -- %s: ", __FILE__, __LINE__, __FUNCTION__); \ - fprintf(stderr, formatAndArgs); \ -} -#endif - -using namespace JSC::Bindings; -using namespace JSC; - -JavaInstance::JavaInstance (jobject instance, PassRefPtr<RootObject> rootObject) - : Instance(rootObject) -{ - _instance = new JObjectWrapper (instance); - _class = 0; -} - -JavaInstance::~JavaInstance () -{ - delete _class; -} - -#define NUM_LOCAL_REFS 64 - -void JavaInstance::virtualBegin() -{ - getJNIEnv()->PushLocalFrame (NUM_LOCAL_REFS); -} - -void JavaInstance::virtualEnd() -{ - getJNIEnv()->PopLocalFrame (NULL); -} - -Class *JavaInstance::getClass() const -{ - if (_class == 0) - _class = new JavaClass (_instance->_instance); - return _class; -} - -JSValue* JavaInstance::stringValue(ExecState* exec) const -{ - JSLock lock(false); - - jstring stringValue = (jstring)callJNIMethod<jobject>(_instance->_instance, "toString", "()Ljava/lang/String;"); - JNIEnv *env = getJNIEnv(); - const jchar *c = getUCharactersFromJStringInEnv(env, stringValue); - UString u((const UChar *)c, (int)env->GetStringLength(stringValue)); - releaseUCharactersForJStringInEnv(env, stringValue, c); - return jsString(exec, u); -} - -JSValue* JavaInstance::numberValue(ExecState* exec) const -{ - jdouble doubleValue = callJNIMethod<jdouble>(_instance->_instance, "doubleValue", "()D"); - return jsNumber(exec, doubleValue); -} - -JSValue* JavaInstance::booleanValue() const -{ - jboolean booleanValue = callJNIMethod<jboolean>(_instance->_instance, "booleanValue", "()Z"); - return jsBoolean(booleanValue); -} - -JSValue* JavaInstance::invokeMethod (ExecState *exec, const MethodList &methodList, const ArgList &args) -{ - int i, count = args.size(); - jvalue *jArgs; - JSValue* resultValue; - Method *method = 0; - size_t numMethods = methodList.size(); - - // Try to find a good match for the overloaded method. The - // fundamental problem is that JavaScript doesn have the - // notion of method overloading and Java does. We could - // get a bit more sophisticated and attempt to does some - // type checking as we as checking the number of parameters. - Method *aMethod; - for (size_t methodIndex = 0; methodIndex < numMethods; methodIndex++) { - aMethod = methodList[methodIndex]; - if (aMethod->numParameters() == count) { - method = aMethod; - break; - } - } - if (method == 0) { - JS_LOG ("unable to find an appropiate method\n"); - return jsUndefined(); - } - - const JavaMethod *jMethod = static_cast<const JavaMethod*>(method); - JS_LOG ("call %s %s on %p\n", method->name(), jMethod->signature(), _instance->_instance); - - if (count > 0) { - jArgs = (jvalue *)malloc (count * sizeof(jvalue)); - } - else - jArgs = 0; - - for (i = 0; i < count; i++) { - JavaParameter* aParameter = jMethod->parameterAt(i); - jArgs[i] = convertValueToJValue(exec, args.at(exec, i), aParameter->getJNIType(), aParameter->type()); - JS_LOG("arg[%d] = %s\n", i, args.at(exec, i)->toString(exec).ascii()); - } - - jvalue result; - - // Try to use the JNI abstraction first, otherwise fall back to - // nornmal JNI. The JNI dispatch abstraction allows the Java plugin - // to dispatch the call on the appropriate internal VM thread. - RootObject* rootObject = this->rootObject(); - if (!rootObject) - return jsUndefined(); - - bool handled = false; - if (rootObject->nativeHandle()) { - jobject obj = _instance->_instance; - JSValue* exceptionDescription = noValue(); - const char *callingURL = 0; // FIXME, need to propagate calling URL to Java - handled = dispatchJNICall(exec, rootObject->nativeHandle(), obj, jMethod->isStatic(), jMethod->JNIReturnType(), jMethod->methodID(obj), jArgs, result, callingURL, exceptionDescription); - if (exceptionDescription) { - throwError(exec, GeneralError, exceptionDescription->toString(exec)); - free (jArgs); - return jsUndefined(); - } - } - - // The following code can be conditionally removed once we have a Tiger update that - // contains the new Java plugin. It is needed for builds prior to Tiger. - if (!handled) { - jobject obj = _instance->_instance; - switch (jMethod->JNIReturnType()){ - case void_type: - callJNIMethodIDA<void>(obj, jMethod->methodID(obj), jArgs); - break; - case object_type: - result.l = callJNIMethodIDA<jobject>(obj, jMethod->methodID(obj), jArgs); - break; - case boolean_type: - result.z = callJNIMethodIDA<jboolean>(obj, jMethod->methodID(obj), jArgs); - break; - case byte_type: - result.b = callJNIMethodIDA<jbyte>(obj, jMethod->methodID(obj), jArgs); - break; - case char_type: - result.c = callJNIMethodIDA<jchar>(obj, jMethod->methodID(obj), jArgs); - break; - case short_type: - result.s = callJNIMethodIDA<jshort>(obj, jMethod->methodID(obj), jArgs); - break; - case int_type: - result.i = callJNIMethodIDA<jint>(obj, jMethod->methodID(obj), jArgs); - break; - - case long_type: - result.j = callJNIMethodIDA<jlong>(obj, jMethod->methodID(obj), jArgs); - break; - case float_type: - result.f = callJNIMethodIDA<jfloat>(obj, jMethod->methodID(obj), jArgs); - break; - case double_type: - result.d = callJNIMethodIDA<jdouble>(obj, jMethod->methodID(obj), jArgs); - break; - case invalid_type: - default: - break; - } - } - - switch (jMethod->JNIReturnType()){ - case void_type: { - resultValue = jsUndefined(); - } - break; - - case object_type: { - if (result.l != 0) { - const char *arrayType = jMethod->returnType(); - if (arrayType[0] == '[') { - resultValue = JavaArray::convertJObjectToArray(exec, result.l, arrayType, rootObject); - } - else { - resultValue = Instance::createRuntimeObject(exec, JavaInstance::create(result.l, rootObject)); - } - } - else { - resultValue = jsUndefined(); - } - } - break; - - case boolean_type: { - resultValue = jsBoolean(result.z); - } - break; - - case byte_type: { - resultValue = jsNumber(exec, result.b); - } - break; - - case char_type: { - resultValue = jsNumber(exec, result.c); - } - break; - - case short_type: { - resultValue = jsNumber(exec, result.s); - } - break; - - case int_type: { - resultValue = jsNumber(exec, result.i); - } - break; - - case long_type: { - resultValue = jsNumber(exec, result.j); - } - break; - - case float_type: { - resultValue = jsNumber(exec, result.f); - } - break; - - case double_type: { - resultValue = jsNumber(exec, result.d); - } - break; - - case invalid_type: - default: { - resultValue = jsUndefined(); - } - break; - } - - free (jArgs); - - return resultValue; -} - -JSValue* JavaInstance::defaultValue(ExecState* exec, PreferredPrimitiveType hint) const -{ - if (hint == PreferString) - return stringValue(exec); - if (hint == PreferNumber) - return numberValue(exec); - JavaClass *aClass = static_cast<JavaClass*>(getClass()); - if (aClass->isStringClass()) - return stringValue(exec); - if (aClass->isNumberClass()) - return numberValue(exec); - if (aClass->isBooleanClass()) - return booleanValue(); - return valueOf(exec); -} - -JSValue* JavaInstance::valueOf(ExecState* exec) const -{ - return stringValue(exec); -} - -JObjectWrapper::JObjectWrapper(jobject instance) -: _refCount(0) -{ - assert (instance != 0); - - // Cache the JNIEnv used to get the global ref for this java instanace. - // It'll be used to delete the reference. - _env = getJNIEnv(); - - _instance = _env->NewGlobalRef (instance); - - JS_LOG ("new global ref %p for %p\n", _instance, instance); - - if (_instance == NULL) { - fprintf (stderr, "%s: could not get GlobalRef for %p\n", __PRETTY_FUNCTION__, instance); - } -} - -JObjectWrapper::~JObjectWrapper() { - JS_LOG ("deleting global ref %p\n", _instance); - _env->DeleteGlobalRef (_instance); -} - -#endif // ENABLE(MAC_JAVA_BRIDGE) |