summaryrefslogtreecommitdiffstats
path: root/core/jni/android_animation_PropertyValuesHolder.cpp
blob: d11774189901d1cc8db1e2bda77a8238147205f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <stdio.h>
#include <assert.h>

#include "jni.h"
#include "core_jni_helpers.h"
#include <utils/misc.h>

// ----------------------------------------------------------------------------

namespace android {

// ----------------------------------------------------------------------------

const char* const kClassPathName = "android/animation/PropertyValuesHolder";

static jlong android_animation_PropertyValuesHolder_getIntMethod(
        JNIEnv* env, jclass pvhClass, jclass targetClass, jstring methodName)
{
    const char *nativeString = env->GetStringUTFChars(methodName, 0);
    jmethodID mid = env->GetMethodID(targetClass, nativeString, "(I)V");
    env->ReleaseStringUTFChars(methodName, nativeString);
    return reinterpret_cast<jlong>(mid);
}

static jlong android_animation_PropertyValuesHolder_getFloatMethod(
        JNIEnv* env, jclass pvhClass, jclass targetClass, jstring methodName)
{
    const char *nativeString = env->GetStringUTFChars(methodName, 0);
    jmethodID mid = env->GetMethodID(targetClass, nativeString, "(F)V");
    env->ReleaseStringUTFChars(methodName, nativeString);
    return reinterpret_cast<jlong>(mid);
}

static jlong getMultiparameterMethod(JNIEnv* env, jclass targetClass, jstring methodName,
    jint parameterCount, char parameterType)
{
    const char *nativeString = env->GetStringUTFChars(methodName, 0);
    char *signature = new char[parameterCount + 4];
    signature[0] = '(';
    memset(&(signature[1]), parameterType, parameterCount);
    strcpy(&(signature[parameterCount + 1]), ")V");
    jmethodID mid = env->GetMethodID(targetClass, nativeString, signature);
    delete[] signature;
    env->ReleaseStringUTFChars(methodName, nativeString);
    return reinterpret_cast<jlong>(mid);
}

static jlong android_animation_PropertyValuesHolder_getMultipleFloatMethod(
        JNIEnv* env, jclass pvhClass, jclass targetClass, jstring methodName, jint parameterCount)
{
    return getMultiparameterMethod(env, targetClass, methodName, parameterCount, 'F');
}

static jlong android_animation_PropertyValuesHolder_getMultipleIntMethod(
        JNIEnv* env, jclass pvhClass, jclass targetClass, jstring methodName, jint parameterCount)
{
    return getMultiparameterMethod(env, targetClass, methodName, parameterCount, 'I');
}

static void android_animation_PropertyValuesHolder_callIntMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, jint arg)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg);
}

static void android_animation_PropertyValuesHolder_callFloatMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, jfloat arg)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg);
}

static void android_animation_PropertyValuesHolder_callTwoFloatMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, float arg1, float arg2)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg1, arg2);
}

static void android_animation_PropertyValuesHolder_callFourFloatMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, float arg1, float arg2,
        float arg3, float arg4)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg1, arg2, arg3, arg4);
}

static void android_animation_PropertyValuesHolder_callMultipleFloatMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, jfloatArray arg)
{
    jsize parameterCount = env->GetArrayLength(arg);
    jfloat *floatValues = env->GetFloatArrayElements(arg, NULL);
    jvalue* values = new jvalue[parameterCount];
    for (int i = 0; i < parameterCount; i++) {
        values[i].f = floatValues[i];
    }
    env->CallVoidMethodA(target, reinterpret_cast<jmethodID>(methodID), values);
    delete[] values;
    env->ReleaseFloatArrayElements(arg, floatValues, JNI_ABORT);
}

static void android_animation_PropertyValuesHolder_callTwoIntMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, int arg1, int arg2)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg1, arg2);
}

static void android_animation_PropertyValuesHolder_callFourIntMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, int arg1, int arg2,
        int arg3, int arg4)
{
    env->CallVoidMethod(target, reinterpret_cast<jmethodID>(methodID), arg1, arg2, arg3, arg4);
}

static void android_animation_PropertyValuesHolder_callMultipleIntMethod(
        JNIEnv* env, jclass pvhObject, jobject target, jlong methodID, jintArray arg)
{
    jsize parameterCount = env->GetArrayLength(arg);
    jint *intValues = env->GetIntArrayElements(arg, NULL);
    jvalue* values = new jvalue[parameterCount];
    for (int i = 0; i < parameterCount; i++) {
        values[i].i = intValues[i];
    }
    env->CallVoidMethodA(target, reinterpret_cast<jmethodID>(methodID), values);
    delete[] values;
    env->ReleaseIntArrayElements(arg, intValues, JNI_ABORT);
}

static JNINativeMethod gMethods[] = {
    {   "nGetIntMethod", "(Ljava/lang/Class;Ljava/lang/String;)J",
            (void*)android_animation_PropertyValuesHolder_getIntMethod },
    {   "nGetFloatMethod", "(Ljava/lang/Class;Ljava/lang/String;)J",
            (void*)android_animation_PropertyValuesHolder_getFloatMethod },
    {   "nGetMultipleFloatMethod", "(Ljava/lang/Class;Ljava/lang/String;I)J",
            (void*)android_animation_PropertyValuesHolder_getMultipleFloatMethod },
    {   "nGetMultipleIntMethod", "(Ljava/lang/Class;Ljava/lang/String;I)J",
            (void*)android_animation_PropertyValuesHolder_getMultipleIntMethod },
    {   "nCallIntMethod", "(Ljava/lang/Object;JI)V",
            (void*)android_animation_PropertyValuesHolder_callIntMethod },
    {   "nCallFloatMethod", "(Ljava/lang/Object;JF)V",
            (void*)android_animation_PropertyValuesHolder_callFloatMethod },
    {   "nCallTwoFloatMethod", "(Ljava/lang/Object;JFF)V",
            (void*)android_animation_PropertyValuesHolder_callTwoFloatMethod },
    {   "nCallFourFloatMethod", "(Ljava/lang/Object;JFFFF)V",
            (void*)android_animation_PropertyValuesHolder_callFourFloatMethod },
    {   "nCallMultipleFloatMethod", "(Ljava/lang/Object;J[F)V",
            (void*)android_animation_PropertyValuesHolder_callMultipleFloatMethod },
    {   "nCallTwoIntMethod", "(Ljava/lang/Object;JII)V",
            (void*)android_animation_PropertyValuesHolder_callTwoIntMethod },
    {   "nCallFourIntMethod", "(Ljava/lang/Object;JIIII)V",
            (void*)android_animation_PropertyValuesHolder_callFourIntMethod },
    {   "nCallMultipleIntMethod", "(Ljava/lang/Object;J[I)V",
            (void*)android_animation_PropertyValuesHolder_callMultipleIntMethod },
};

int register_android_animation_PropertyValuesHolder(JNIEnv* env)
{
    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
}

};