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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  *
     16  */
     17 #include <string.h>
     18 #include <jni.h>
     19 #include <JNIHelp.h>
     20 #include <utils/Log.h>
     21 
     22 #include "PluginObject.h"
     23 
     24 #define EXPORT __attribute__((visibility("default")))
     25 
     26 extern ANPEventInterfaceV0         gEventI;
     27 
     28 static void surfaceCreated(JNIEnv* env, jobject thiz, jint npp, jobject surface) {
     29 
     30     // send custom event
     31     ANPEvent event;
     32     event.inSize = sizeof(ANPEvent);
     33     event.eventType = kCustom_ANPEventType;
     34     event.data.other[0] = kSurfaceCreated_CustomEvent;
     35 
     36     gEventI.postEvent((NPP)npp, &event);
     37 }
     38 
     39 static void surfaceChanged(JNIEnv* env, jobject thiz, jint npp, jint format, jint width, jint height) {
     40     // send custom event
     41     ANPEvent event;
     42     event.inSize = sizeof(ANPEvent);
     43     event.eventType = kCustom_ANPEventType;
     44     event.data.other[0] = kSurfaceChanged_CustomEvent;
     45     event.data.other[1] = width;
     46     event.data.other[2] = height;
     47 
     48     gEventI.postEvent((NPP)npp, &event);
     49 }
     50 
     51 static void surfaceDestroyed(JNIEnv* env, jobject thiz, jint npp) {
     52     // send custom event
     53     ANPEvent event;
     54     event.inSize = sizeof(ANPEvent);
     55     event.eventType = kCustom_ANPEventType;
     56     event.data.other[0] = kSurfaceDestroyed_CustomEvent;
     57 
     58     gEventI.postEvent((NPP)npp, &event);
     59 }
     60 
     61 /*
     62  * JNI registration.
     63  */
     64 static JNINativeMethod gPaintSurfaceMethods[] = {
     65     { "nativeSurfaceCreated", "(I)V", (void*) surfaceCreated },
     66     { "nativeSurfaceChanged", "(IIII)V", (void*) surfaceChanged },
     67     { "nativeSurfaceDestroyed", "(I)V", (void*) surfaceDestroyed },
     68 };
     69 
     70 EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
     71 
     72     JNIEnv* env = NULL;
     73 
     74     if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
     75         return -1;
     76     }
     77 
     78     jniRegisterNativeMethods(env, "com/android/sampleplugin/PaintSurface",
     79                              gPaintSurfaceMethods, NELEM(gPaintSurfaceMethods));
     80 
     81     return JNI_VERSION_1_4;
     82 }
     83