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
getPluginObject(int npp)26 static SurfaceSubPlugin* getPluginObject(int npp) {
27 NPP instance = (NPP)npp;
28 PluginObject* obj = static_cast<PluginObject*>(instance->pdata);
29 if (obj && obj->activePlugin
30 && obj->activePlugin->supportsDrawingModel(kSurface_ANPDrawingModel)) {
31 return static_cast<SurfaceSubPlugin*>(obj->activePlugin);
32 }
33 return NULL;
34 }
35
surfaceCreated(JNIEnv * env,jobject thiz,jint npp,jobject surface)36 static void surfaceCreated(JNIEnv* env, jobject thiz, jint npp, jobject surface) {
37 SurfaceSubPlugin* obj = getPluginObject(npp);
38
39 //TODO why is this VM different from the one in NP_INIT...
40 JavaVM* vm = NULL;
41 env->GetJavaVM(&vm);
42
43 obj->surfaceCreated(env, surface);
44 }
45
surfaceChanged(JNIEnv * env,jobject thiz,jint npp,jint format,jint width,jint height)46 static void surfaceChanged(JNIEnv* env, jobject thiz, jint npp, jint format, jint width, jint height) {
47 SurfaceSubPlugin* obj = getPluginObject(npp);
48 obj->surfaceChanged(format, width, height);
49 }
50
surfaceDestroyed(JNIEnv * env,jobject thiz,jint npp)51 static void surfaceDestroyed(JNIEnv* env, jobject thiz, jint npp) {
52 SurfaceSubPlugin* obj = getPluginObject(npp);
53 if (obj) {
54 obj->surfaceDestroyed();
55 }
56 }
57
isFixedSurface(JNIEnv * env,jobject thiz,jint npp)58 static jboolean isFixedSurface(JNIEnv* env, jobject thiz, jint npp) {
59 SurfaceSubPlugin* obj = getPluginObject(npp);
60 return obj->isFixedSurface();
61 }
62
63 /*
64 * JNI registration.
65 */
66 static JNINativeMethod gJavaSamplePluginStubMethods[] = {
67 { "nativeSurfaceCreated", "(ILandroid/view/View;)V", (void*) surfaceCreated },
68 { "nativeSurfaceChanged", "(IIII)V", (void*) surfaceChanged },
69 { "nativeSurfaceDestroyed", "(I)V", (void*) surfaceDestroyed },
70 { "nativeIsFixedSurface", "(I)Z", (void*) isFixedSurface },
71 };
72
JNI_OnLoad(JavaVM * vm,void * reserved)73 EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
74
75 JNIEnv* env = NULL;
76
77 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
78 return -1;
79 }
80
81 jniRegisterNativeMethods(env, "com/android/sampleplugin/SamplePluginStub",
82 gJavaSamplePluginStubMethods, NELEM(gJavaSamplePluginStubMethods));
83
84 return JNI_VERSION_1_4;
85 }
86