axmol/cocos2dx/platform/android/jni/EditBoxJni.cpp

/****************************************************************************
Copyright (c) 2012 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "EditBoxJni.h"
#include "text_input_node/CCIMEDispatcher.h"
#include "JniHelper.h"

#include <android/log.h>
#include <string.h>
#include <jni.h>

#if 0
#define  LOG_TAG    "EditBoxJni"
#define  LOGD(...)  __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)
#else
#define  LOGD(...) 
#endif

using namespace cocos2d;

static EditBoxCallback s_pfEditBoxCB = NULL;
static void* s_ctx = NULL;

extern "C"
{
//////////////////////////////////////////////////////////////////////////
// handle EditBox message
//////////////////////////////////////////////////////////////////////////



void showEditBoxDialogJni(const char* pszTitle,
                            const char* pszContent,
                            int nInputMode,
                            int nInputFlag,
                            int nReturnType,
                            int nMaxLength,
                            EditBoxCallback pfEditBoxCB,
                            void* ctx)
{
    LOGD("showEditBoxDialogJni...");

    if (pszContent == NULL) {
        return;
    }

    s_pfEditBoxCB = pfEditBoxCB;
    s_ctx = ctx;

    JniMethodInfo t;
    if (JniHelper::getStaticMethodInfo(t
        , "org/cocos2dx/lib/Cocos2dxActivity"
        , "showEditBoxDialog"
        , "(Ljava/lang/String;Ljava/lang/String;IIII)V"))
    {
        jstring stringArg1;

        if (!pszTitle)
        {
            stringArg1 = t.env->NewStringUTF("");
        }
        else
        {
            stringArg1 = t.env->NewStringUTF(pszTitle);
        }

        jstring stringArg2 = t.env->NewStringUTF(pszContent);

        t.env->CallStaticVoidMethod(t.classID, t.methodID, stringArg1, stringArg2, nInputMode, nInputFlag, nReturnType, nMaxLength);

        t.env->DeleteLocalRef(stringArg1);
        t.env->DeleteLocalRef(stringArg2);
        t.env->DeleteLocalRef(t.classID);
    }
}

void JNICALL Java_org_cocos2dx_lib_Cocos2dxActivity_nativeSetEditboxText(JNIEnv * env, jobject obj, jbyteArray text)
{
    jsize  size = env->GetArrayLength(text);

    if (size > 0)
    {
        jbyte * data = (jbyte*)env->GetByteArrayElements(text, 0);
        char* pBuf = (char*)malloc(size+1);
        if (pBuf != NULL)
        {
            memcpy(pBuf, data, size);
            pBuf[size] = '\0';
            // pass data to editbox's delegate
            if (s_pfEditBoxCB) s_pfEditBoxCB(pBuf, s_ctx);
            free(pBuf);
        }
        env->ReleaseByteArrayElements(text, data, 0);
    }
    else
    {
        if (s_pfEditBoxCB) s_pfEditBoxCB("", s_ctx);
    }
}

int getFontSizeAccordingHeightJni(int height)
{
    int ret = 0;
    JniMethodInfo t;
    if (JniHelper::getStaticMethodInfo(t
        , "org/cocos2dx/lib/Cocos2dxBitmap"
        , "getFontSizeAccordingHeight"
        , "(I)I"))
    {
        ret = t.env->CallStaticIntMethod(t.classID, t.methodID, height);
        t.env->DeleteLocalRef(t.classID);
    }

    return ret;
}

std::string getStringWithEllipsisJni(const char* pszText, float width, float fontSize)
{
    std::string ret;
    JniMethodInfo t;

    if (JniHelper::getStaticMethodInfo(t
        , "org/cocos2dx/lib/Cocos2dxBitmap"
        , "getStringWithEllipsis"
        , "(Ljava/lang/String;FF)Ljava/lang/String;"))
    {
        jstring stringArg1;

        if (!pszText)
        {
            stringArg1 = t.env->NewStringUTF("");
        }
        else
        {
            stringArg1 = t.env->NewStringUTF(pszText);
        }

        jstring retFromJava = (jstring)t.env->CallStaticObjectMethod(t.classID, t.methodID, stringArg1, width, fontSize);
        const char* str = t.env->GetStringUTFChars(retFromJava, 0);
        ret = str;

        t.env->ReleaseStringUTFChars(retFromJava, str);
        t.env->DeleteLocalRef(stringArg1);
        t.env->DeleteLocalRef(t.classID);
    }
    LOGD("getStringWithEllipsisJni 07");
    return ret;
}

} // end of extern "C"