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121 lines
3.6 KiB
121 lines
3.6 KiB
4 months ago
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/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "agq.h"
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#include <jni.h>
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#include <android/log.h>
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#include <time.h>
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#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, "AndroidGameQualification", __VA_ARGS__))
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static JavaVM* sJavaVm = nullptr;
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static JNIEnv* sJniEnv = nullptr;
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// Initialize sJavaVm if the app uses JNI.
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JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) {
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sJavaVm = vm;
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sJavaVm->GetEnv(reinterpret_cast<void**>(&sJniEnv), JNI_VERSION_1_6);
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return sJniEnv->GetVersion();
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}
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namespace android {
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static const char* const INTENT_START = "com.android.game.qualification.START";
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static JNIEnv* getJniEnv() {
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if (sJniEnv == nullptr) {
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sJavaVm->AttachCurrentThread(&sJniEnv, nullptr);
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}
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return sJniEnv;
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}
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// Convert timespec to milliseconds.
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jlong timespecToMs(timespec spec) {
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return jlong(spec.tv_sec) * 1000 + spec.tv_nsec / 1000000;
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}
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// Create an Intent jobject in Java.
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static jobject createIntent() {
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struct timespec spec;
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clock_gettime(CLOCK_MONOTONIC, &spec);
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JNIEnv* env = getJniEnv();
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jclass intentClass = env->FindClass("android/content/Intent");
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jmethodID constructor = env->GetMethodID(intentClass, "<init>", "(Ljava/lang/String;)V");
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jobject intent = env->NewObject(intentClass, constructor, env->NewStringUTF(INTENT_START));
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jmethodID set_type =
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env->GetMethodID(
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intentClass,
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"setType",
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"(Ljava/lang/String;)Landroid/content/Intent;");
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env->CallObjectMethod(intent, set_type, env->NewStringUTF("text/plain"));
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jmethodID put_extra =
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env->GetMethodID(
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intentClass,
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"putExtra",
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"(Ljava/lang/String;J)Landroid/content/Intent;");
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jlong timestamp = timespecToMs(spec);
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env->CallObjectMethod(intent, put_extra, env->NewStringUTF("timestamp"), timestamp);
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LOGD("Created intent %s at %lld", INTENT_START, (long long)timestamp);
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return intent;
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}
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// Implementation of android::GameQualification::Impl.
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class GameQualification::Impl {
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public:
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void startLoop(jobject context);
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void startLoop(ANativeActivity* activity);
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};
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void GameQualification::Impl::startLoop(jobject context) {
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JNIEnv* env = getJniEnv();
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jclass contextClass = env->FindClass("android/content/Context");
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jmethodID method =
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env->GetMethodID(
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contextClass,
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"sendBroadcast",
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"(Landroid/content/Intent;)V");
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env->CallVoidMethod(context, method, createIntent());
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}
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void GameQualification::Impl::startLoop(ANativeActivity* activity) {
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sJavaVm = activity->vm;
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startLoop(activity->clazz);
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}
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/* Implementation of GameQualification */
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GameQualification::GameQualification() {
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mImpl = new GameQualification::Impl();
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}
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GameQualification::~GameQualification() {
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delete mImpl;
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}
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void GameQualification::startLoop(jobject context) {
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mImpl->startLoop(context);
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}
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void GameQualification::startLoop(ANativeActivity* activity) {
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mImpl->startLoop(activity);
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}
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} // end of namespace android
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