1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  27 
  28 #import "AWTSurfaceLayers.h"
  29 
  30 JNIEXPORT JAWT_DrawingSurfaceInfo* JNICALL awt_DrawingSurface_GetDrawingSurfaceInfo
  31 (JAWT_DrawingSurface* ds)
  32 {
  33     JAWT_DrawingSurfaceInfo* dsi = (JAWT_DrawingSurfaceInfo*)malloc(sizeof(JAWT_DrawingSurfaceInfo));
  34 
  35     JNIEnv *env = ds->env;
  36     jobject target = ds->target;
  37 
  38     static JNF_CLASS_CACHE(jc_Component, "java/awt/Component");
  39     static JNF_MEMBER_CACHE(jf_peer, jc_Component, "peer", "Ljava/awt/peer/ComponentPeer;");
  40     jobject peer = JNFGetObjectField(env, target, jf_peer);
  41 
  42     static JNF_CLASS_CACHE(jc_ComponentPeer, "sun/lwawt/LWComponentPeer");
  43     static JNF_MEMBER_CACHE(jf_platformComponent, jc_ComponentPeer,
  44                             "platformComponent", "Lsun/lwawt/PlatformComponent;");
  45     jobject platformComponent = JNFGetObjectField(env, peer, jf_platformComponent);
  46 
  47     static JNF_CLASS_CACHE(jc_PlatformComponent, "sun/lwawt/macosx/CPlatformComponent");
  48     static JNF_MEMBER_CACHE(jm_getPointer, jc_PlatformComponent, "getPointer", "()J");
  49     AWTSurfaceLayers *surfaceLayers = jlong_to_ptr(JNFCallLongMethod(env, platformComponent, jm_getPointer));
  50     // REMIND: assert(surfaceLayers)
  51 
  52     dsi->platformInfo = surfaceLayers;
  53     dsi->ds = ds;
  54 
  55     static JNF_MEMBER_CACHE(jf_x, jc_Component, "x", "I");
  56     static JNF_MEMBER_CACHE(jf_y, jc_Component, "y", "I");
  57     static JNF_MEMBER_CACHE(jf_width, jc_Component, "width", "I");
  58     static JNF_MEMBER_CACHE(jf_height, jc_Component, "height", "I");
  59 
  60     dsi->bounds.x = JNFGetIntField(env, target, jf_x);
  61     dsi->bounds.y = JNFGetIntField(env, target, jf_y);
  62     dsi->bounds.width = JNFGetIntField(env, target, jf_width);
  63     dsi->bounds.height = JNFGetIntField(env, target, jf_height);
  64 
  65     dsi->clipSize = 1;
  66     dsi->clip = &(dsi->bounds);
  67 
  68     return dsi;
  69 }
  70 
  71 JNIEXPORT jint JNICALL awt_DrawingSurface_Lock
  72 (JAWT_DrawingSurface* ds)
  73 {
  74     // TODO: implement
  75     return 0;
  76 }
  77 
  78 JNIEXPORT void JNICALL awt_DrawingSurface_Unlock
  79 (JAWT_DrawingSurface* ds)
  80 {
  81     // TODO: implement
  82 }
  83 
  84 JNIEXPORT void JNICALL awt_DrawingSurface_FreeDrawingSurfaceInfo
  85 (JAWT_DrawingSurfaceInfo* dsi)
  86 {
  87     free(dsi);
  88 }
  89 
  90 JNIEXPORT JAWT_DrawingSurface* JNICALL awt_GetDrawingSurface
  91 (JNIEnv* env, jobject target)
  92 {
  93     JAWT_DrawingSurface* ds = (JAWT_DrawingSurface*)malloc(sizeof(JAWT_DrawingSurface));
  94 
  95     // TODO: "target instanceof" check
  96 
  97     ds->env = env;
  98     ds->target = (*env)->NewGlobalRef(env, target);
  99     ds->Lock = awt_DrawingSurface_Lock;
 100     ds->GetDrawingSurfaceInfo = awt_DrawingSurface_GetDrawingSurfaceInfo;
 101     ds->FreeDrawingSurfaceInfo = awt_DrawingSurface_FreeDrawingSurfaceInfo;
 102     ds->Unlock = awt_DrawingSurface_Unlock;
 103 
 104     return ds;
 105 }
 106 
 107 JNIEXPORT void JNICALL awt_FreeDrawingSurface
 108 (JAWT_DrawingSurface* ds)
 109 {
 110     JNIEnv *env = ds->env;
 111     (*env)->DeleteGlobalRef(env, ds->target);
 112     free(ds);
 113 }
 114 
 115 JNIEXPORT void JNICALL awt_Lock
 116 (JNIEnv* env)
 117 {
 118     // TODO: implement
 119 }
 120 
 121 JNIEXPORT void JNICALL awt_Unlock
 122 (JNIEnv* env)
 123 {
 124     // TODO: implement
 125 }
 126 
 127 JNIEXPORT jobject JNICALL awt_GetComponent
 128 (JNIEnv* env, void* platformInfo)
 129 {
 130     // TODO: implement
 131     return NULL;
 132 }