Merge "Remove old glue code." into gingerbread
This commit is contained in:
Dianne Hackborn
committed by
Android (Google) Code Review
Android (Google) Code Review
commit
ccc77328da
@ -1,18 +0,0 @@
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BASE_PATH := $(call my-dir)
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LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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# our source files
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#
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LOCAL_SRC_FILES:= \
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threaded_app.c
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LOCAL_C_INCLUDES += \
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frameworks/base/native/include \
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frameworks/base/core/jni/android \
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dalvik/libnativehelper/include/nativehelper
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LOCAL_MODULE:= libthreaded_app
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include $(BUILD_STATIC_LIBRARY)
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@ -1,338 +0,0 @@
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/*
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* Copyright (C) 2010 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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*/
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#include <jni.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/resource.h>
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#include <android_glue/threaded_app.h>
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#include <android/log.h>
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#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "threaded_app", __VA_ARGS__))
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#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "threaded_app", __VA_ARGS__))
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int8_t android_app_read_cmd(struct android_app* android_app) {
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int8_t cmd;
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if (read(android_app->msgread, &cmd, sizeof(cmd)) == sizeof(cmd)) {
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return cmd;
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} else {
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LOGW("No data on command pipe!");
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}
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return -1;
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}
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int32_t android_app_exec_cmd(struct android_app* android_app, int8_t cmd) {
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switch (cmd) {
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case APP_CMD_INPUT_CHANGED:
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LOGI("APP_CMD_INPUT_CHANGED\n");
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pthread_mutex_lock(&android_app->mutex);
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if (android_app->inputQueue != NULL) {
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AInputQueue_detachLooper(android_app->inputQueue);
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}
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android_app->inputQueue = android_app->pendingInputQueue;
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if (android_app->inputQueue != NULL) {
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LOGI("Attaching input queue to looper");
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AInputQueue_attachLooper(android_app->inputQueue,
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android_app->looper, NULL, (void*)LOOPER_ID_EVENT);
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}
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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break;
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case APP_CMD_WINDOW_CHANGED:
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LOGI("APP_CMD_WINDOW_CHANGED\n");
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pthread_mutex_lock(&android_app->mutex);
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android_app->window = android_app->pendingWindow;
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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break;
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case APP_CMD_START:
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case APP_CMD_RESUME:
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case APP_CMD_PAUSE:
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case APP_CMD_STOP:
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LOGI("activityState=%d\n", cmd);
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pthread_mutex_lock(&android_app->mutex);
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android_app->activityState = cmd;
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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break;
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case APP_CMD_WINDOW_REDRAW_NEEDED:
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LOGI("APP_CMD_WINDOW_REDRAW_NEEDED\n");
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pthread_mutex_lock(&android_app->mutex);
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android_app->redrawNeeded = 0;
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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break;
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case APP_CMD_CONTENT_RECT_CHANGED:
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LOGI("APP_CMD_CONTENT_RECT_CHANGED\n");
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android_app->contentRect = android_app->pendingContentRect;
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break;
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case APP_CMD_DESTROY:
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LOGI("APP_CMD_DESTROY\n");
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android_app->destroyRequested = 1;
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break;
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}
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return android_app->destroyRequested ? 0 : 1;
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}
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static void android_app_destroy(struct android_app* android_app) {
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LOGI("android_app_destroy!");
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pthread_mutex_lock(&android_app->mutex);
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if (android_app->inputQueue != NULL) {
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AInputQueue_detachLooper(android_app->inputQueue);
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}
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android_app->destroyed = 1;
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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// Can't touch android_app object after this.
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}
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static void* android_app_entry(void* param) {
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struct android_app* android_app = (struct android_app*)param;
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ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
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ALooper_addFd(looper, android_app->msgread, POLLIN, NULL, (void*)LOOPER_ID_MAIN);
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android_app->looper = looper;
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pthread_mutex_lock(&android_app->mutex);
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android_app->running = 1;
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pthread_cond_broadcast(&android_app->cond);
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pthread_mutex_unlock(&android_app->mutex);
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android_main(android_app);
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android_app_destroy(android_app);
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return NULL;
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}
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// --------------------------------------------------------------------
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// Native activity interaction (called from main thread)
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// --------------------------------------------------------------------
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static struct android_app* android_app_create(ANativeActivity* activity) {
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struct android_app* android_app = (struct android_app*)malloc(sizeof(struct android_app));
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memset(android_app, 0, sizeof(struct android_app));
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android_app->activity = activity;
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pthread_mutex_init(&android_app->mutex, NULL);
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pthread_cond_init(&android_app->cond, NULL);
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int msgpipe[2];
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if (pipe(msgpipe)) {
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LOGI("could not create pipe: %s", strerror(errno));
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}
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android_app->msgread = msgpipe[0];
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android_app->msgwrite = msgpipe[1];
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int result = fcntl(android_app->msgread, F_SETFL, O_NONBLOCK);
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if (result != 0) LOGW("Could not make message read pipe "
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"non-blocking: %s", strerror(errno));
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result = fcntl(android_app->msgwrite, F_SETFL, O_NONBLOCK);
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if (result != 0) LOGW("Could not make message write pipe "
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"non-blocking: %s", strerror(errno));
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_create(&android_app->thread, &attr, android_app_entry, android_app);
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// Wait for thread to start.
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pthread_mutex_lock(&android_app->mutex);
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while (!android_app->running) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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return android_app;
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}
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static void android_app_write_cmd(struct android_app* android_app, int8_t cmd) {
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if (write(android_app->msgwrite, &cmd, sizeof(cmd)) != sizeof(cmd)) {
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LOGI("Failure writing android_app cmd: %s\n", strerror(errno));
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}
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}
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static void android_app_set_input(struct android_app* android_app, AInputQueue* inputQueue) {
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pthread_mutex_lock(&android_app->mutex);
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android_app->pendingInputQueue = inputQueue;
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android_app_write_cmd(android_app, APP_CMD_INPUT_CHANGED);
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while (android_app->inputQueue != android_app->pendingInputQueue) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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}
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static void android_app_set_window(struct android_app* android_app, ANativeWindow* window) {
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pthread_mutex_lock(&android_app->mutex);
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android_app->pendingWindow = window;
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android_app_write_cmd(android_app, APP_CMD_WINDOW_CHANGED);
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while (android_app->window != android_app->pendingWindow) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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}
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static void android_app_set_activity_state(struct android_app* android_app, int8_t cmd) {
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pthread_mutex_lock(&android_app->mutex);
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android_app_write_cmd(android_app, cmd);
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while (android_app->activityState != cmd) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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}
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static void android_app_wait_redraw(struct android_app* android_app) {
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pthread_mutex_lock(&android_app->mutex);
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android_app->redrawNeeded = 1;
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android_app_write_cmd(android_app, APP_CMD_WINDOW_REDRAW_NEEDED);
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while (android_app->redrawNeeded) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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}
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static void android_app_set_content_rect(struct android_app* android_app, const ARect* rect) {
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pthread_mutex_lock(&android_app->mutex);
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android_app->pendingContentRect = *rect;
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android_app_write_cmd(android_app, APP_CMD_CONTENT_RECT_CHANGED);
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pthread_mutex_unlock(&android_app->mutex);
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}
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static void android_app_free(struct android_app* android_app) {
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pthread_mutex_lock(&android_app->mutex);
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android_app_write_cmd(android_app, APP_CMD_DESTROY);
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while (!android_app->destroyed) {
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pthread_cond_wait(&android_app->cond, &android_app->mutex);
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}
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pthread_mutex_unlock(&android_app->mutex);
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close(android_app->msgread);
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close(android_app->msgwrite);
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pthread_cond_destroy(&android_app->cond);
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pthread_mutex_destroy(&android_app->mutex);
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free(android_app);
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}
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static void onDestroy(ANativeActivity* activity) {
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LOGI("Destroy: %p\n", activity);
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android_app_free((struct android_app*)activity->instance);
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}
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static void onStart(ANativeActivity* activity) {
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LOGI("Start: %p\n", activity);
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android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_START);
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}
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static void onResume(ANativeActivity* activity) {
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LOGI("Resume: %p\n", activity);
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android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_RESUME);
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}
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static void* onSaveInstanceState(ANativeActivity* activity, size_t* outLen) {
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LOGI("SaveInstanceState: %p\n", activity);
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return NULL;
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}
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static void onPause(ANativeActivity* activity) {
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LOGI("Pause: %p\n", activity);
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android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_PAUSE);
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}
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static void onStop(ANativeActivity* activity) {
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LOGI("Stop: %p\n", activity);
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android_app_set_activity_state((struct android_app*)activity->instance, APP_CMD_STOP);
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}
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static void onLowMemory(ANativeActivity* activity) {
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LOGI("LowMemory: %p\n", activity);
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android_app_write_cmd((struct android_app*)activity->instance,
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APP_CMD_LOW_MEMORY);
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}
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static void onWindowFocusChanged(ANativeActivity* activity, int focused) {
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LOGI("WindowFocusChanged: %p -- %d\n", activity, focused);
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android_app_write_cmd((struct android_app*)activity->instance,
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focused ? APP_CMD_GAINED_FOCUS : APP_CMD_LOST_FOCUS);
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}
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static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window) {
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LOGI("NativeWindowCreated: %p -- %p\n", activity, window);
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android_app_set_window((struct android_app*)activity->instance, window);
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}
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static void onNativeWindowResized(ANativeActivity* activity, ANativeWindow* window) {
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LOGI("NativeWindowResized: %p -- %p\n", activity, window);
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android_app_write_cmd((struct android_app*)activity->instance,
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APP_CMD_WINDOW_RESIZED);
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}
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static void onNativeWindowRedrawNeeded(ANativeActivity* activity, ANativeWindow* window) {
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LOGI("NativeWindowRedrawNeeded: %p -- %p\n", activity, window);
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android_app_wait_redraw((struct android_app*)activity->instance);
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}
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static void onContentRectChanged(ANativeActivity* activity, const ARect* rect) {
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LOGI("ContentRectChanged: %p -- (%d,%d)-(%d,%d)\n", activity, rect->left,
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rect->top, rect->right, rect->bottom);
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android_app_set_content_rect((struct android_app*)activity->instance, rect);
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}
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||||||
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static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window) {
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LOGI("NativeWindowDestroyed: %p -- %p\n", activity, window);
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android_app_set_window((struct android_app*)activity->instance, NULL);
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}
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||||||
|
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||||||
static void onInputQueueCreated(ANativeActivity* activity, AInputQueue* queue) {
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LOGI("InputQueueCreated: %p -- %p\n", activity, queue);
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||||||
android_app_set_input((struct android_app*)activity->instance, queue);
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||||||
}
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||||||
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||||||
static void onInputQueueDestroyed(ANativeActivity* activity, AInputQueue* queue) {
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LOGI("InputQueueDestroyed: %p -- %p\n", activity, queue);
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android_app_set_input((struct android_app*)activity->instance, NULL);
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||||||
}
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||||||
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||||||
void ANativeActivity_onCreate(ANativeActivity* activity,
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||||||
void* savedState, size_t savedStateSize) {
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|
||||||
LOGI("Creating: %p\n", activity);
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||||||
activity->callbacks->onDestroy = onDestroy;
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||||||
activity->callbacks->onStart = onStart;
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||||||
activity->callbacks->onResume = onResume;
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||||||
activity->callbacks->onSaveInstanceState = onSaveInstanceState;
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|
||||||
activity->callbacks->onPause = onPause;
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||||||
activity->callbacks->onStop = onStop;
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||||||
activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;
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|
||||||
activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;
|
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||||||
activity->callbacks->onNativeWindowResized = onNativeWindowResized;
|
|
||||||
activity->callbacks->onNativeWindowRedrawNeeded = onNativeWindowRedrawNeeded;
|
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||||||
activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;
|
|
||||||
activity->callbacks->onInputQueueCreated = onInputQueueCreated;
|
|
||||||
activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;
|
|
||||||
activity->callbacks->onContentRectChanged = onContentRectChanged;
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|
||||||
activity->callbacks->onLowMemory = onLowMemory;
|
|
||||||
|
|
||||||
activity->instance = android_app_create(activity);
|
|
||||||
}
|
|
||||||
@ -1,197 +0,0 @@
|
|||||||
/*
|
|
||||||
* 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 <poll.h>
|
|
||||||
#include <pthread.h>
|
|
||||||
#include <sched.h>
|
|
||||||
|
|
||||||
#include <android/native_activity.h>
|
|
||||||
#include <android/looper.h>
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This is the interface for the standard glue code of a threaded
|
|
||||||
* application. In this model, the application's code is running
|
|
||||||
* in its own thread separate from the main thread of the process.
|
|
||||||
* It is not required that this thread be associated with the Java
|
|
||||||
* VM, although it will need to be in order to make JNI calls any
|
|
||||||
* Java objects.
|
|
||||||
*/
|
|
||||||
struct android_app {
|
|
||||||
// The application can place a pointer to its own state object
|
|
||||||
// here if it likes.
|
|
||||||
void* userData;
|
|
||||||
|
|
||||||
// The ANativeActivity object instance that this app is running in.
|
|
||||||
ANativeActivity* activity;
|
|
||||||
|
|
||||||
// The ALooper associated with the app's thread.
|
|
||||||
ALooper* looper;
|
|
||||||
|
|
||||||
// When non-NULL, this is the input queue from which the app will
|
|
||||||
// receive user input events.
|
|
||||||
AInputQueue* inputQueue;
|
|
||||||
|
|
||||||
// When non-NULL, this is the window surface that the app can draw in.
|
|
||||||
ANativeWindow* window;
|
|
||||||
|
|
||||||
// Current content rectangle of the window; this is the area where the
|
|
||||||
// window's content should be placed to be seen by the user.
|
|
||||||
ARect contentRect;
|
|
||||||
|
|
||||||
// Current state of the app's activity. May be either APP_CMD_START,
|
|
||||||
// APP_CMD_RESUME, APP_CMD_PAUSE, or APP_CMD_STOP; see below.
|
|
||||||
int activityState;
|
|
||||||
|
|
||||||
// -------------------------------------------------
|
|
||||||
// Below are "private" implementation of the glue code.
|
|
||||||
|
|
||||||
pthread_mutex_t mutex;
|
|
||||||
pthread_cond_t cond;
|
|
||||||
|
|
||||||
int msgread;
|
|
||||||
int msgwrite;
|
|
||||||
|
|
||||||
pthread_t thread;
|
|
||||||
|
|
||||||
// This is non-zero when the application's NativeActivity is being
|
|
||||||
// destroyed and waiting for the app thread to complete.
|
|
||||||
int destroyRequested;
|
|
||||||
|
|
||||||
int running;
|
|
||||||
int destroyed;
|
|
||||||
int redrawNeeded;
|
|
||||||
AInputQueue* pendingInputQueue;
|
|
||||||
ANativeWindow* pendingWindow;
|
|
||||||
ARect pendingContentRect;
|
|
||||||
};
|
|
||||||
|
|
||||||
enum {
|
|
||||||
/**
|
|
||||||
* Looper data ID of commands coming from the app's main thread.
|
|
||||||
* These can be retrieved and processed with android_app_read_cmd()
|
|
||||||
* and android_app_exec_cmd().
|
|
||||||
*/
|
|
||||||
LOOPER_ID_MAIN = 1,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Looper data ID of events coming from the AInputQueue of the
|
|
||||||
* application's window. These can be read via the inputQueue
|
|
||||||
* object of android_app.
|
|
||||||
*/
|
|
||||||
LOOPER_ID_EVENT = 2
|
|
||||||
};
|
|
||||||
|
|
||||||
enum {
|
|
||||||
/**
|
|
||||||
* Command from main thread: the AInputQueue has changed. Upon processing
|
|
||||||
* this command, android_app->inputQueue will be updated to the new queue
|
|
||||||
* (or NULL).
|
|
||||||
*/
|
|
||||||
APP_CMD_INPUT_CHANGED,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the ANativeWindow has changed. Upon processing
|
|
||||||
* this command, android_app->window will be updated to the new window surface
|
|
||||||
* (or NULL).
|
|
||||||
*/
|
|
||||||
APP_CMD_WINDOW_CHANGED,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the current ANativeWindow has been resized.
|
|
||||||
* Please redraw with its new size.
|
|
||||||
*/
|
|
||||||
APP_CMD_WINDOW_RESIZED,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the system needs that the current ANativeWindow
|
|
||||||
* be redrawn. You should redraw the window before handing this to
|
|
||||||
* android_app_exec_cmd() in order to avoid transient drawing glitches.
|
|
||||||
*/
|
|
||||||
APP_CMD_WINDOW_REDRAW_NEEDED,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the content area of the window has changed,
|
|
||||||
* such as from the soft input window being shown or hidden. You can
|
|
||||||
* find the new content rect in android_app::contentRect.
|
|
||||||
*/
|
|
||||||
APP_CMD_CONTENT_RECT_CHANGED,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity window has gained
|
|
||||||
* input focus.
|
|
||||||
*/
|
|
||||||
APP_CMD_GAINED_FOCUS,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity window has lost
|
|
||||||
* input focus.
|
|
||||||
*/
|
|
||||||
APP_CMD_LOST_FOCUS,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the system is running low on memory.
|
|
||||||
* Try to reduce your memory use.
|
|
||||||
*/
|
|
||||||
APP_CMD_LOW_MEMORY,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity has been started.
|
|
||||||
*/
|
|
||||||
APP_CMD_START,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity has been resumed.
|
|
||||||
*/
|
|
||||||
APP_CMD_RESUME,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity has been paused.
|
|
||||||
*/
|
|
||||||
APP_CMD_PAUSE,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity has been stopped.
|
|
||||||
*/
|
|
||||||
APP_CMD_STOP,
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Command from main thread: the app's activity is being destroyed,
|
|
||||||
* and waiting for the app thread to clean up and exit before proceeding.
|
|
||||||
*/
|
|
||||||
APP_CMD_DESTROY,
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Call when ALooper_pollAll() returns LOOPER_ID_MAIN, reading the next
|
|
||||||
* app command message.
|
|
||||||
*/
|
|
||||||
int8_t android_app_read_cmd(struct android_app* android_app);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Call with the command returned by android_app_read_cmd() to do the
|
|
||||||
* default processing of the given command.
|
|
||||||
*
|
|
||||||
* Important: returns 0 if the app should exit. You must ALWAYS check for
|
|
||||||
* a zero return and, if found, exit your android_main() function.
|
|
||||||
*/
|
|
||||||
int32_t android_app_exec_cmd(struct android_app* android_app, int8_t cmd);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This is the function that application code must implement, representing
|
|
||||||
* the main entry to the app.
|
|
||||||
*/
|
|
||||||
extern void android_main(struct android_app* app);
|
|
||||||
Reference in New Issue
Block a user