Code drop from //branches/cupcake/...@124589

1 files changed, 71 insertions, 0 deletions

diff --git a/WebKit/android/jni/WebCoreJni.h b/WebKit/android/jni/WebCoreJni.h
new file mode 100644
index 0000000..9acc2f4
--- /dev/null
+++ b/WebKit/android/jni/WebCoreJni.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_WEBKIT_WEBCOREJNI_H
+#define ANDROID_WEBKIT_WEBCOREJNI_H
+
+#include "PlatformString.h"
+#include <jni.h>
+
+namespace android {
+
+// A helper class that automatically deletes the local reference to the jobject
+// returned from getRealObject.
+class AutoJObject {
+public:
+    ~AutoJObject() {
+        if (m_obj)
+            m_env->DeleteLocalRef(m_obj);
+    }
+    jobject get() const {
+        return m_obj;
+    }
+    JNIEnv* env() const {
+        return m_env;
+    }
+private:
+    AutoJObject(JNIEnv* env, jobject obj)
+        : m_env(env)
+        , m_obj(obj) {}
+    JNIEnv* m_env;
+    jobject m_obj;
+    friend AutoJObject getRealObject(JNIEnv*, jobject);
+};
+
+// Get the real object stored in the WeakReference returned as an
+// AutoJObject.
+AutoJObject getRealObject(JNIEnv*, jobject);
+
+// Convert the given jobject to a WeakReference and create a new global
+// reference to that WeakReference.
+jobject adoptGlobalRef(JNIEnv*, jobject);
+
+// Helper method for check java exceptions. Returns true if an exception
+// occurred and logs the exception.
+bool checkException(JNIEnv* env);
+
+// Get the JavaVM pointer for the given JNIEnv pointer
+JavaVM* jnienv_to_javavm(JNIEnv* env);
+
+// Get the JNIEnv pointer for the given JavaVM pointer
+JNIEnv* javavm_to_jnienv(JavaVM* vm);
+
+// Create a WebCore::String object from a jstring object.
+WebCore::String to_string(JNIEnv* env, jstring str);
+
+}
+
+#endif