1 /*
2 * Copyright (C) 2022 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 #include "jni_common.h"
17
18 #include <jni.h>
19 #include <ui/GraphicTypes.h>
20 #include <ui/Rect.h>
21
22 #include "core_jni_helpers.h"
23
24 // ----------------------------------------------------------------------------
25
26 namespace android {
27
28 static struct {
29 jclass clazz;
30 jmethodID ctor;
31 jfieldID bottom;
32 jfieldID left;
33 jfieldID right;
34 jfieldID top;
35 } gRectClassInfo;
36
37 static struct {
38 jclass clazz;
39 jmethodID ctor;
40 } gSizeClassInfo;
41
rectFromObj(JNIEnv * env,jobject rectObj)42 Rect JNICommon::rectFromObj(JNIEnv* env, jobject rectObj) {
43 int left = env->GetIntField(rectObj, gRectClassInfo.left);
44 int top = env->GetIntField(rectObj, gRectClassInfo.top);
45 int right = env->GetIntField(rectObj, gRectClassInfo.right);
46 int bottom = env->GetIntField(rectObj, gRectClassInfo.bottom);
47 return Rect(left, top, right, bottom);
48 }
49
objFromRect(JNIEnv * env,Rect rect)50 jobject JNICommon::objFromRect(JNIEnv* env, Rect rect) {
51 return env->NewObject(gRectClassInfo.clazz, gRectClassInfo.ctor, rect.left, rect.top,
52 rect.right, rect.bottom);
53 }
54
objFromSize(JNIEnv * env,Size size)55 jobject JNICommon::objFromSize(JNIEnv* env, Size size) {
56 return env->NewObject(gSizeClassInfo.clazz, gSizeClassInfo.ctor, size.width, size.height);
57 }
58
register_jni_common(JNIEnv * env)59 int register_jni_common(JNIEnv* env) {
60 jclass rectClazz = FindClassOrDie(env, "android/graphics/Rect");
61 gRectClassInfo.clazz = MakeGlobalRefOrDie(env, rectClazz);
62 gRectClassInfo.ctor = GetMethodIDOrDie(env, rectClazz, "<init>", "(IIII)V");
63 gRectClassInfo.bottom = GetFieldIDOrDie(env, rectClazz, "bottom", "I");
64 gRectClassInfo.left = GetFieldIDOrDie(env, rectClazz, "left", "I");
65 gRectClassInfo.right = GetFieldIDOrDie(env, rectClazz, "right", "I");
66 gRectClassInfo.top = GetFieldIDOrDie(env, rectClazz, "top", "I");
67
68 jclass sizeClazz = FindClassOrDie(env, "android/util/Size");
69 gSizeClassInfo.clazz = MakeGlobalRefOrDie(env, sizeClazz);
70 gSizeClassInfo.ctor = GetMethodIDOrDie(env, sizeClazz, "<init>", "(II)V");
71
72 return 0;
73 }
74
75 } // namespace android
76