1 /*
   2  * Copyright (c) 2012, 2013, 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 #include "LensCommon.h"
  27 
  28 static jobject createJavaScreen(JNIEnv *env, NativeScreen screen) {
  29     // already allocated globally, leaving here only for reference
  30     //jclass jScreenClass = (*env)->FindClass(env, "com/sun/glass/ui/Screen");
  31 
  32     jmethodID screenInit = (*env)->GetMethodID(env, jScreenClass,
  33         "<init>",
  34         "(JIIIIIIIIIIIF)V");
  35     GLASS_CHECK_EXCEPTION(env);
  36 
  37     if (!screenInit) {
  38         glass_throw_exception_by_name(env, glass_RuntimeException,"missing Screen()");
  39         return NULL ;
  40     }
  41 
  42     jobject newScreen = (jobject)(*env)->NewObject(env, jScreenClass, screenInit,
  43         ptr_to_jlong(screen),
  44 
  45         screen->depth,
  46 
  47         screen->x,
  48         screen->y,
  49         screen->width,
  50         screen->height,
  51 
  52         screen->visibleX,
  53         screen->visibleY,
  54         screen->visibleWidth,
  55         screen->visibleHeight,
  56 
  57         screen->resolutionX,
  58         screen->resolutionY,
  59 
  60         1.0f);
  61     GLASS_CHECK_EXCEPTION(env);
  62 
  63     return newScreen;
  64 }
  65 
  66 jobjectArray createJavaScreens(JNIEnv *env) {
  67     // Update the Java notion of our Screens[]
  68 
  69 
  70     // create our one Screen object
  71     jobject defScreen = createJavaScreen(env, glass_screen_getMainScreen());
  72     if (defScreen == NULL) {
  73         glass_throw_exception_by_name(env, glass_RuntimeException,"failed to create default Screen");
  74         return NULL;
  75     }
  76 
  77     // create our Screen[]
  78     // with only one element because we know that is all we currently support
  79     int screenCount = 1;
  80     jobjectArray screenArray = (*env)->NewObjectArray(env,
  81             screenCount,
  82             jScreenClass,
  83             NULL);
  84     (*env)->SetObjectArrayElement(env, screenArray, 0, defScreen);
  85 
  86     return screenArray;
  87 }
  88