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445 lines
13 KiB
445 lines
13 KiB
/*
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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 <EGL/egl.h>
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#include <GLES2/gl2.h>
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#include <android/sensor.h>
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#include <android/log.h>
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#include <android_native_app_glue.h>
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#include "android_port.h"
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#include "osmroute.h"
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#include "gui.h"
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#include "system.h"
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#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "sposmroute", __VA_ARGS__))
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#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "sposmroute", __VA_ARGS__))
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#define MAX_EVENTS 128
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GUIEvent eventlist[MAX_EVENTS] = {0};
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int eventcnt = 0;
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int gevent_push (GUIEvent *event);
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int gevent_pop (GUIEvent *event);
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void gevent_clear ();
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struct engine engine;
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/**
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* Initialize an EGL context for the current display.
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*/
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static int engine_init_display(struct engine* engine) {
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const EGLint attribs[] = {
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EGL_SURFACE_TYPE,
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EGL_WINDOW_BIT,
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EGL_RENDERABLE_TYPE,
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EGL_OPENGL_ES2_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_NONE
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};
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EGLint w, h, dummy, format;
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EGLint numConfigs;
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EGLConfig config;
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EGLSurface surface;
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EGLContext context;
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const EGLint contextAttrs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(display, 0, 0);
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/* Here, the application chooses the configuration it desires. In this
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* sample, we have a very simplified selection process, where we pick
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* the first EGLConfig that matches our criteria */
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eglChooseConfig(display, attribs, &config, 1, &numConfigs);
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/* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
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* guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
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* As soon as we picked a EGLConfig, we can safely reconfigure the
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* ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
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eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
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ANativeWindow_setBuffersGeometry(engine->app->window, 0, 0, format);
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surface = eglCreateWindowSurface(display, config, engine->app->window, NULL);
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context = eglCreateContext(display, config, NULL, contextAttrs);
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if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
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LOGW("Unable to eglMakeCurrent");
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return -1;
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}
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eglQuerySurface(display, surface, EGL_WIDTH, &w);
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eglQuerySurface(display, surface, EGL_HEIGHT, &h);
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engine->display = display;
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engine->context = context;
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engine->surface = surface;
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engine->width = w;
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engine->height = h;
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engine->state.angle = 0;
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gfx_init (w, h);
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return 0;
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}
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/**
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* Tear down the EGL context currently associated with the display.
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*/
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static void engine_term_display(struct engine* engine) {
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if (engine->display != EGL_NO_DISPLAY) {
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eglMakeCurrent(engine->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (engine->context != EGL_NO_CONTEXT) {
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eglDestroyContext(engine->display, engine->context);
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}
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if (engine->surface != EGL_NO_SURFACE) {
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eglDestroySurface(engine->display, engine->surface);
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}
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eglTerminate(engine->display);
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}
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engine->animating = 0;
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engine->display = EGL_NO_DISPLAY;
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engine->context = EGL_NO_CONTEXT;
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engine->surface = EGL_NO_SURFACE;
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}
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/**
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* Process the next input event.
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* save events inside a EVENT list.
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*/
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static int32_t engine_handle_input(struct android_app* app, AInputEvent* event) {
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GUIEvent gevent;
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int32_t type = AInputEvent_getType(event);
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struct engine* engine = (struct engine*)app->userData;
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if (type == AINPUT_EVENT_TYPE_MOTION) {
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int32_t subtype = AMotionEvent_getAction (event);
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gevent.scr_mpos.x = AMotionEvent_getX(event, 0);
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gevent.scr_mpos.y = AMotionEvent_getY(event, 0);
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if (subtype == AMOTION_EVENT_ACTION_MOVE) {
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gevent.event = EGUI_MOUSEMOVE;
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gevent_push (&gevent);
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return 1;
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}
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else if (subtype == AMOTION_EVENT_ACTION_UP) {
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gevent.mousebtn = 1;
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gevent.event = EGUI_MOUSERELEASED;
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gevent_push (&gevent);
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return 1;
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}
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else if (subtype == AMOTION_EVENT_ACTION_DOWN) {
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char *tmp;
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gevent.mousebtn = 1;
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gevent.event = EGUI_MOUSEPRESSED;
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gevent_push (&gevent);
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return 1;
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}
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}
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return 0;
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}
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/**
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* Process the next main command.
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*/
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static void engine_handle_cmd(struct android_app* app, int32_t cmd) {
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switch (cmd) {
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case APP_CMD_SAVE_STATE:
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// The system has asked us to save our current state. Do so.
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d_printf ("APP_CMD_SAVE_STATE");
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engine.app->savedState = malloc(sizeof(struct saved_state));
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*((struct saved_state*)engine.app->savedState) = engine.state;
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engine.app->savedStateSize = sizeof(struct saved_state);
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break;
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case APP_CMD_INIT_WINDOW:
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// The window is being shown, get it ready.
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d_printf ("APP_CMD_INIT_WINDOW");
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if (engine.app->window != NULL) {
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engine_init_display(&engine);
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if (engine.display == NULL) {
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// No display.
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return;
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}
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// test_draw ();
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draw ();
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}
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break;
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case APP_CMD_TERM_WINDOW:
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// The window is being hidden or closed, clean it up.
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d_printf ("APP_CMD_TERM_WINDOW");
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engine_term_display(&engine);
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app_shutdown (); // we quit when we terminate the window...
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exit (1);
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break;
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case APP_CMD_GAINED_FOCUS:
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// When our app gains focus, we start monitoring the accelerometer.
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d_printf ("APP_CMD_GAINED_FOCUS");
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if (engine.accelerometerSensor != NULL) {
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ASensorEventQueue_enableSensor(engine.sensorEventQueue,
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engine.accelerometerSensor);
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// We'd like to get 60 events per second (in us).
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ASensorEventQueue_setEventRate(engine.sensorEventQueue,
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engine.accelerometerSensor, (1000L/60)*1000);
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}
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break;
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case APP_CMD_LOST_FOCUS:
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// When our app loses focus, we stop monitoring the accelerometer.
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// This is to avoid consuming battery while not being used.
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d_printf ("APP_CMD_LOST_FOCUS");
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if (engine.accelerometerSensor != NULL) {
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ASensorEventQueue_disableSensor(engine.sensorEventQueue,
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engine.accelerometerSensor);
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}
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// Also stop animating.
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engine.animating = 0;
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// test_draw ();
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draw ();
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break;
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case APP_CMD_STOP:
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d_printf ("APP_CMD_STOP");
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break;
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case APP_CMD_START:
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d_printf ("APP_CMD_START");
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break;
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case APP_CMD_PAUSE:
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d_printf ("APP_CMD_PAUSE");
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break;
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case APP_CMD_RESUME:
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d_printf ("APP_CMD_RESUME");
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break;
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}
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}
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void main_event () {
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// Read all pending events.
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time_t t1 = time(NULL), t2 = time(NULL);
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struct gps_data *gpspos;
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int ident;
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int events;
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int t = 0;
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GUIEvent event;
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struct android_poll_source* source;
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// If not animating, we will block forever waiting for events.
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// If animating, we loop until all events are read, then continue
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// to draw the next frame of animation.
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while ((ident=ALooper_pollAll(0, NULL, &events, (void**)&source)) >= 0) {
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// Process this event.
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if (source != NULL) {
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source->process(engine.app, source);
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}
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// If a sensor has data, process it now.
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if (ident == LOOPER_ID_USER) {
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if (engine.accelerometerSensor != NULL) {
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ASensorEvent event;
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while (ASensorEventQueue_getEvents(engine.sensorEventQueue,
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&event, 1) > 0) {
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// LOGI("accelerometer: x=%f y=%f z=%f",
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// event.acceleration.x, event.acceleration.y,
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// event.acceleration.z);
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}
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}
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}
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// Check if we are exiting.
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if (engine.app->destroyRequested != 0) {
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engine_term_display(&engine);
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return;
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}
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}
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while (gevent_pop(&event)) {
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gui_event (event);
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}
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t1 = time(NULL);
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if (t1 != t2) {
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t2 = t1;
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app_loop ();
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}
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}
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/**
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* This is the main entry point of a native application that is using
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* android_native_app_glue. It runs in its own thread, with its own
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* event loop for receiving input events and doing other things.
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*/
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void android_main(struct android_app* state) {
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// Make sure glue isn't stripped.
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app_dummy();
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d_printf ("Android Version");
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memset(&engine, 0, sizeof(engine));
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state->userData = &engine;
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state->onAppCmd = engine_handle_cmd;
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state->onInputEvent = engine_handle_input;
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engine.app = state;
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d_printf ("internal data path: %s", state->activity->internalDataPath);
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d_printf ("external data path: %s", state->activity->externalDataPath);
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// Prepare to monitor accelerometer
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engine.sensorManager = ASensorManager_getInstance();
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engine.accelerometerSensor = ASensorManager_getDefaultSensor(engine.sensorManager,
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ASENSOR_TYPE_ACCELEROMETER);
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engine.sensorEventQueue = ASensorManager_createEventQueue(engine.sensorManager,
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state->looper, LOOPER_ID_USER, NULL, NULL);
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if (state->savedState != NULL) {
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// We are starting with a previous saved state; restore from it.
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engine.state = *(struct saved_state*)state->savedState;
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}
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app_init (0, NULL);
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// loop waiting for stuff to do.
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while (app.status != APPSTATUS_quit) {
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main_event ();
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}
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d_printf ("shutdown?");
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app_shutdown ();
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exit (0);
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}
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/*************************************************************************
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* main functions for sposmroute...
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*/
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void main_wnd_update () {
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main_event ();
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}
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/*************************************************************************
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*
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* calling java code here for using the internal GPS devices.
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*
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*************************************************************************/
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int gps_android_device_open () {
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d_printf ("gps_android_device_open:");
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ANativeActivity* activity = engine.app->activity;
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JavaVM* jvm = engine.app->activity->vm;
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JNIEnv* env = NULL;
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(*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_6);
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jint res = (*jvm)->AttachCurrentThread(jvm, &env, NULL);
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if (res == JNI_ERR) {
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// Failed to retrieve JVM environment
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d_printf ("gps_android_device_open: JNI_Error");
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return 0;
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}
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jclass clazz = (*env)->GetObjectClass(env, activity->clazz);
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jmethodID methodID = (*env)->GetMethodID(env, clazz, "GPSDataStart", "()V");
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(*env)->CallVoidMethod(env, activity->clazz, methodID);
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(*jvm)->DetachCurrentThread(jvm);
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return 1;
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};
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void gps_android_device_close () {
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d_printf ("gps_android_device_close:");
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ANativeActivity* activity = engine.app->activity;
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JavaVM* jvm = engine.app->activity->vm;
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JNIEnv* env = NULL;
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(*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_6);
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jint res = (*jvm)->AttachCurrentThread(jvm, &env, NULL);
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if (res == JNI_ERR) {
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// Failed to retrieve JVM environment
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d_printf ("gps_android_device_close: JNI_Error");
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return;
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}
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jclass clazz = (*env)->GetObjectClass(env, activity->clazz);
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jmethodID methodID = (*env)->GetMethodID(env, clazz, "GPSDataStop", "()V");
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(*env)->CallVoidMethod(env, activity->clazz, methodID);
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(*jvm)->DetachCurrentThread(jvm);
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return;
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};
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int gps_android_device_read (char *ptr, int ptrsize) {
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ANativeActivity* activity = engine.app->activity;
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JavaVM* jvm = engine.app->activity->vm;
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JNIEnv* env = NULL;
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jstring jstr;
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const char *str;
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d_printf ("gps_android_device_read:");
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(*jvm)->GetEnv(jvm, (void **)&env, JNI_VERSION_1_6);
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jint res = (*jvm)->AttachCurrentThread(jvm, &env, NULL);
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if (res == JNI_ERR) {
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// Failed to retrieve JVM environment
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d_printf ("gps_android_device_read: JNI_Error");
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return 0;
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}
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/* call up the java method to prepare a new line */
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jclass clazz = (*env)->GetObjectClass(env, activity->clazz);
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jmethodID methodID = (*env)->GetMethodID(env, clazz, "GPSDataGetLine", "()V");
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(*env)->CallVoidMethod(env, activity->clazz, methodID);
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/* retrieve the new line, copy new line, release new line */
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jfieldID fid = (*env)->GetFieldID(env, clazz, "gpsline", "Ljava/lang/String;");
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jstr = (*env)->GetObjectField(env, activity->clazz, fid);
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str = (*env)->GetStringUTFChars(env, jstr, 0);
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if (str != NULL) {
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// d_printf ("str:ptrsize:%d strsize:%d '%s'", ptrsize, strlen(str), str);
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strncpy (ptr, str, ptrsize);
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}
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else ptr[0] = 0;
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(*env)->ReleaseStringUTFChars(env, jstr, str);
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(*jvm)->DetachCurrentThread(jvm);
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return strlen (ptr);
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};
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int gevent_push (GUIEvent *event) {
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if (eventcnt < MAX_EVENTS) {
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memcpy (&eventlist[eventcnt], event, sizeof (GUIEvent));
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eventcnt++;
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return 1;
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}
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return 0;
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};
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int gevent_pop (GUIEvent *event) {
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if (eventcnt > 0) {
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eventcnt--;
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memcpy (event, &eventlist[eventcnt], sizeof (GUIEvent));
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return 1;
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}
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return 0;
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};
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void gevent_clear () {
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int i;
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memset (eventlist, 0x0, MAX_EVENTS * sizeof (GUIEvent));
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};
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