/*

 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#import <JavaNativeFoundation/JavaNativeFoundation.h>

#import "AWTSurfaceLayers.h"

#import "jni_util.h"

JNIEXPORT JAWT_DrawingSurfaceInfo* JNICALL awt_DrawingSurface_GetDrawingSurfaceInfo

(JAWT_DrawingSurface* ds)

{

    JAWT_DrawingSurfaceInfo* dsi = (JAWT_DrawingSurfaceInfo*)malloc(sizeof(JAWT_DrawingSurfaceInfo));

    JNIEnv *env = ds->env;

    jobject target = ds->target;

    static JNF_CLASS_CACHE(jc_Component, "java/awt/Component");

    static JNF_MEMBER_CACHE(jf_peer, jc_Component, "peer", "Ljava/awt/peer/ComponentPeer;");

    jobject peer = JNFGetObjectField(env, target, jf_peer);

    static JNF_CLASS_CACHE(jc_ComponentPeer, "sun/lwawt/LWComponentPeer");

    static JNF_MEMBER_CACHE(jf_platformComponent, jc_ComponentPeer,

                            "platformComponent", "Lsun/lwawt/PlatformComponent;");

    jobject platformComponent = JNFGetObjectField(env, peer, jf_platformComponent);

    static JNF_CLASS_CACHE(jc_PlatformComponent, "sun/lwawt/macosx/CPlatformComponent");

    static JNF_MEMBER_CACHE(jm_getPointer, jc_PlatformComponent, "getPointer", "()J");

    AWTSurfaceLayers *surfaceLayers = jlong_to_ptr(JNFCallLongMethod(env, platformComponent, jm_getPointer));

    // REMIND: assert(surfaceLayers)

    dsi->platformInfo = surfaceLayers;

    dsi->ds = ds;

    static JNF_MEMBER_CACHE(jf_x, jc_Component, "x", "I");

    static JNF_MEMBER_CACHE(jf_y, jc_Component, "y", "I");

    static JNF_MEMBER_CACHE(jf_width, jc_Component, "width", "I");

    static JNF_MEMBER_CACHE(jf_height, jc_Component, "height", "I");

    dsi->bounds.x = JNFGetIntField(env, target, jf_x);

    dsi->bounds.y = JNFGetIntField(env, target, jf_y);

    dsi->bounds.width = JNFGetIntField(env, target, jf_width);

    dsi->bounds.height = JNFGetIntField(env, target, jf_height);

    dsi->clipSize = 1;

    dsi->clip = &(dsi->bounds);

    return dsi;

}

JNIEXPORT jint JNICALL awt_DrawingSurface_Lock

(JAWT_DrawingSurface* ds)

{

    // TODO: implement

    return 0;

}

JNIEXPORT void JNICALL awt_DrawingSurface_Unlock

(JAWT_DrawingSurface* ds)

{

    // TODO: implement

}

JNIEXPORT void JNICALL awt_DrawingSurface_FreeDrawingSurfaceInfo

(JAWT_DrawingSurfaceInfo* dsi)

{

    free(dsi);

}

JNIEXPORT JAWT_DrawingSurface* JNICALL awt_GetDrawingSurface

(JNIEnv* env, jobject target)

{

    JAWT_DrawingSurface* ds = (JAWT_DrawingSurface*)malloc(sizeof(JAWT_DrawingSurface));

    // TODO: "target instanceof" check

    ds->env = env;

    ds->target = (*env)->NewGlobalRef(env, target);

    ds->Lock = awt_DrawingSurface_Lock;

    ds->GetDrawingSurfaceInfo = awt_DrawingSurface_GetDrawingSurfaceInfo;

    ds->FreeDrawingSurfaceInfo = awt_DrawingSurface_FreeDrawingSurfaceInfo;

    ds->Unlock = awt_DrawingSurface_Unlock;

    return ds;

}

JNIEXPORT void JNICALL awt_FreeDrawingSurface

(JAWT_DrawingSurface* ds)

{

    JNIEnv *env = ds->env;

    (*env)->DeleteGlobalRef(env, ds->target);

    free(ds);

}

JNIEXPORT void JNICALL awt_Lock

(JNIEnv* env)

{

    // TODO: implement

}

JNIEXPORT void JNICALL awt_Unlock

(JNIEnv* env)

{

    // TODO: implement

}

JNIEXPORT jobject JNICALL awt_GetComponent

(JNIEnv* env, void* platformInfo)

{

    // TODO: implement

    return NULL;

}

// EmbeddedFrame support

static char *const embeddedClassName = "sun/lwawt/macosx/CViewEmbeddedFrame";

JNIEXPORT jobject JNICALL awt_CreateEmbeddedFrame

(JNIEnv* env, void* platformInfo)

{

    static jmethodID mid = NULL;

    static jclass cls;

    if (mid == NULL) {

        cls = (*env)->FindClass(env, embeddedClassName);

        CHECK_NULL_RETURN(cls, NULL);

        mid = (*env)->GetMethodID(env, cls, "<init>", "(J)V");

        CHECK_NULL_RETURN(mid, NULL);

    }

    return (*env)->NewObject(env, cls, mid, platformInfo);

}

JNIEXPORT void JNICALL awt_SetBounds

(JNIEnv *env, jobject embeddedFrame, jint x, jint y, jint w, jint h)

{

    static jmethodID mid = NULL;

    if (mid == NULL) {

        jclass cls = (*env)->FindClass(env, embeddedClassName);

        CHECK_NULL(cls);

        mid = (*env)->GetMethodID(env, cls, "setBoundsPrivate", "(IIII)V");

        CHECK_NULL(mid);

    }

    (*env)->CallVoidMethod(env, embeddedFrame, mid, x, y, w, h);

}

JNIEXPORT void JNICALL awt_SynthesizeWindowActivation

(JNIEnv *env, jobject embeddedFrame, jboolean doActivate)

{

    static jmethodID mid = NULL;

    if (mid == NULL) {

        jclass cls = (*env)->FindClass(env, embeddedClassName);

        CHECK_NULL(cls);

        mid = (*env)->GetMethodID(env, cls, "synthesizeWindowActivation", "(Z)V");

        CHECK_NULL(mid);

    }

    (*env)->CallVoidMethod(env, embeddedFrame, mid, doActivate);

}