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/*
* Copyright 2008, 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.
*/
#ifndef WebCoreJni_h
#define WebCoreJni_h
#include "ChromiumIncludes.h"
#include "IntRect.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(const AutoJObject& other)
: m_env(other.m_env)
, m_obj(other.m_obj ? other.m_env->NewLocalRef(other.m_obj) : NULL) {}
~AutoJObject() {
if (m_obj)
m_env->DeleteLocalRef(m_obj);
}
jobject get() const {
return m_obj;
}
// Releases the local reference to the caller. The caller *must* delete the
// local reference when it is done with it.
jobject release() {
jobject obj = m_obj;
m_obj = 0;
return obj;
}
JNIEnv* env() const {
return m_env;
}
private:
AutoJObject(); // Not permitted.
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 weak reference returned as an
// AutoJObject.
AutoJObject getRealObject(JNIEnv*, jobject);
// Helper method for check java exceptions. Returns true if an exception
// occurred and logs the exception.
bool checkException(JNIEnv* env);
// Create a WTF::String object from a jstring object.
WTF::String jstringToWtfString(JNIEnv*, jstring);
// Returns a local reference to a new jstring. If validOnZeroLength is true then
// passing in an empty WTF String will result in an empty jstring. Otherwise
// an empty WTF String returns 0.
jstring wtfStringToJstring(JNIEnv*, const WTF::String&, bool validOnZeroLength = false);
string16 jstringToString16(JNIEnv*, jstring);
std::string jstringToStdString(JNIEnv*, jstring);
// Returns a local reference to a new jstring. If validOnZeroLength is true then
// passing in an empty std::string will result in an empty jstring. Otherwise
// an empty std::string returns 0.
jstring stdStringToJstring(JNIEnv*, const std::string&, bool validOnZeroLength = false);
jobjectArray intRectVectorToRectArray(JNIEnv*, Vector<WebCore::IntRect>&);
jobject intRectToRect(JNIEnv* env, const WebCore::IntRect& rect);
}
#endif
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