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/*
* Copyright 2007, 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.
*/
#define LOG_TAG "webcoreglue"
#include "config.h"
#include "IntRect.h"
#include "WebCoreJni.h"
#include "wtf/Vector.h"
#include "NotImplemented.h"
#include <JNIUtility.h>
#include <jni.h>
#include <utils/Log.h>
namespace android {
AutoJObject getRealObject(JNIEnv* env, jobject obj)
{
jobject real = env->NewLocalRef(obj);
ALOG_ASSERT(real, "The real object has been deleted!");
return AutoJObject(env, real);
}
/**
* Helper method for checking java exceptions
* @return true if an exception occurred.
*/
bool checkException(JNIEnv* env)
{
if (env->ExceptionCheck() != 0)
{
ALOGE("*** Uncaught exception returned from Java call!\n");
env->ExceptionDescribe();
return true;
}
return false;
}
// This method is safe to call from the ui thread and the WebCore thread.
WTF::String jstringToWtfString(JNIEnv* env, jstring str)
{
if (!str || !env)
return WTF::String();
const jchar* s = env->GetStringChars(str, NULL);
if (!s)
return WTF::String();
WTF::String ret(s, env->GetStringLength(str));
env->ReleaseStringChars(str, s);
checkException(env);
return ret;
}
jstring wtfStringToJstring(JNIEnv* env, const WTF::String& str, bool validOnZeroLength)
{
int length = str.length();
return length || validOnZeroLength ? env->NewString(str.characters(), length) : 0;
}
string16 jstringToString16(JNIEnv* env, jstring jstr)
{
if (!jstr || !env)
return string16();
const char* s = env->GetStringUTFChars(jstr, 0);
if (!s)
return string16();
string16 str = UTF8ToUTF16(s);
env->ReleaseStringUTFChars(jstr, s);
checkException(env);
return str;
}
std::string jstringToStdString(JNIEnv* env, jstring jstr)
{
if (!jstr || !env)
return std::string();
const char* s = env->GetStringUTFChars(jstr, 0);
if (!s)
return std::string();
std::string str(s);
env->ReleaseStringUTFChars(jstr, s);
checkException(env);
return str;
}
jstring stdStringToJstring(JNIEnv* env, const std::string& str, bool validOnZeroLength)
{
return !str.empty() || validOnZeroLength ? env->NewStringUTF(str.c_str()) : 0;
}
jobject intRectToRect(JNIEnv* env, const WebCore::IntRect& rect)
{
jclass rectClass = env->FindClass("android/graphics/Rect");
ALOG_ASSERT(rectClass, "Could not find android/graphics/Rect");
jmethodID rectInit = env->GetMethodID(rectClass, "<init>", "(IIII)V");
ALOG_ASSERT(rectInit, "Could not find init method on Rect");
jobject jrect = env->NewObject(rectClass, rectInit, rect.x(), rect.y(),
rect.maxX(), rect.maxY());
env->DeleteLocalRef(rectClass);
return jrect;
}
jobjectArray intRectVectorToRectArray(JNIEnv* env, Vector<WebCore::IntRect>& rects)
{
jclass rectClass = env->FindClass("android/graphics/Rect");
ALOG_ASSERT(rectClass, "Could not find android/graphics/Rect");
jmethodID rectInit = env->GetMethodID(rectClass, "<init>", "(IIII)V");
ALOG_ASSERT(rectInit, "Could not find init method on Rect");
jobjectArray array = env->NewObjectArray(rects.size(), rectClass, 0);
ALOG_ASSERT(array, "Could not create a Rect array");
for (size_t i = 0; i < rects.size(); i++) {
jobject rect = env->NewObject(rectClass, rectInit,
rects[i].x(), rects[i].y(),
rects[i].maxX(), rects[i].maxY());
if (rect) {
env->SetObjectArrayElement(array, i, rect);
env->DeleteLocalRef(rect);
}
}
env->DeleteLocalRef(rectClass);
return array;
}
}
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