dlangui/3rdparty/android/android_native_app_glue_impl.d

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16 KiB
D

/*
* 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.
*
*/
// this is translation of android_native_app_glue.c
module android.android_native_app_glue_impl;
version(Android):
extern(C):
@system:
import core.sys.posix.pthread;
import android.input, android.native_window, android.rect, android.log;
import android.configuration, android.looper, android.native_activity;
import core.stdc.stdlib;
import core.stdc.string;
import core.stdc.stdio;
import core.stdc.errno;
import core.sys.posix.sys.resource;
import core.sys.posix.unistd;
import android.android_native_app_glue;
import android.log;
static void free_saved_state(android_app* android_app) {
pthread_mutex_lock(&android_app.mutex);
if (android_app.savedState != null) {
free(android_app.savedState);
android_app.savedState = null;
android_app.savedStateSize = 0;
}
pthread_mutex_unlock(&android_app.mutex);
}
byte android_app_read_cmd(android_app* android_app) {
byte cmd;
if (read(android_app.msgread, &cmd, cmd.sizeof) == cmd.sizeof) {
switch (cmd) {
case APP_CMD_SAVE_STATE:
free_saved_state(android_app);
break;
default:
break;
}
return cmd;
} else {
LOGE("No data on command pipe!");
}
return -1;
}
static void print_cur_config(android_app* android_app) {
char[2] lang;
char[2] country;
AConfiguration_getLanguage(android_app.config, lang.ptr);
AConfiguration_getCountry(android_app.config, country.ptr);
LOGV("Config: mcc=%d mnc=%d lang=%c%c cnt=%c%c orien=%d touch=%d dens=%d " ~
"keys=%d nav=%d keysHid=%d navHid=%d sdk=%d size=%d long=%d " ~
"modetype=%d modenight=%d",
AConfiguration_getMcc(android_app.config),
AConfiguration_getMnc(android_app.config),
lang[0], lang[1], country[0], country[1],
AConfiguration_getOrientation(android_app.config),
AConfiguration_getTouchscreen(android_app.config),
AConfiguration_getDensity(android_app.config),
AConfiguration_getKeyboard(android_app.config),
AConfiguration_getNavigation(android_app.config),
AConfiguration_getKeysHidden(android_app.config),
AConfiguration_getNavHidden(android_app.config),
AConfiguration_getSdkVersion(android_app.config),
AConfiguration_getScreenSize(android_app.config),
AConfiguration_getScreenLong(android_app.config),
AConfiguration_getUiModeType(android_app.config),
AConfiguration_getUiModeNight(android_app.config));
}
void android_app_pre_exec_cmd(android_app* android_app, byte cmd) {
switch (cmd) {
case APP_CMD_INPUT_CHANGED:
LOGV("APP_CMD_INPUT_CHANGED\n");
pthread_mutex_lock(&android_app.mutex);
if (android_app.inputQueue != null) {
AInputQueue_detachLooper(android_app.inputQueue);
}
android_app.inputQueue = android_app.pendingInputQueue;
if (android_app.inputQueue != null) {
LOGV("Attaching input queue to looper");
AInputQueue_attachLooper(android_app.inputQueue,
android_app.looper, LOOPER_ID_INPUT, null,
&android_app.inputPollSource);
}
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
break;
case APP_CMD_INIT_WINDOW:
LOGV("APP_CMD_INIT_WINDOW\n");
pthread_mutex_lock(&android_app.mutex);
android_app.window = android_app.pendingWindow;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
break;
case APP_CMD_TERM_WINDOW:
LOGV("APP_CMD_TERM_WINDOW\n");
pthread_cond_broadcast(&android_app.cond);
break;
case APP_CMD_RESUME:
case APP_CMD_START:
case APP_CMD_PAUSE:
case APP_CMD_STOP:
LOGV("activityState=%d\n", cmd);
pthread_mutex_lock(&android_app.mutex);
android_app.activityState = cmd;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
break;
case APP_CMD_CONFIG_CHANGED:
LOGV("APP_CMD_CONFIG_CHANGED\n");
AConfiguration_fromAssetManager(android_app.config,
android_app.activity.assetManager);
print_cur_config(android_app);
break;
case APP_CMD_DESTROY:
LOGV("APP_CMD_DESTROY\n");
android_app.destroyRequested = 1;
break;
default:
break;
}
}
void android_app_post_exec_cmd(android_app* android_app, byte cmd) {
switch (cmd) {
case APP_CMD_TERM_WINDOW:
LOGV("APP_CMD_TERM_WINDOW\n");
pthread_mutex_lock(&android_app.mutex);
android_app.window = null;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
break;
case APP_CMD_SAVE_STATE:
LOGV("APP_CMD_SAVE_STATE\n");
pthread_mutex_lock(&android_app.mutex);
android_app.stateSaved = 1;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
break;
case APP_CMD_RESUME:
free_saved_state(android_app);
break;
default:
break;
}
}
void app_dummy() {
}
static void android_app_destroy(android_app* android_app) {
LOGV("android_app_destroy!");
free_saved_state(android_app);
pthread_mutex_lock(&android_app.mutex);
if (android_app.inputQueue != null) {
AInputQueue_detachLooper(android_app.inputQueue);
}
AConfiguration_delete(android_app.config);
android_app.destroyed = 1;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
// Can't touch android_app object after this.
}
static void process_input(android_app* app, android_poll_source* source) {
AInputEvent* event = null;
while (AInputQueue_getEvent(app.inputQueue, &event) >= 0) {
LOGV("New input event: type=%d\n", AInputEvent_getType(event));
if (AInputQueue_preDispatchEvent(app.inputQueue, event)) {
continue;
}
int handled = 0;
if (app.onInputEvent != null) handled = app.onInputEvent(app, event);
AInputQueue_finishEvent(app.inputQueue, event, handled);
}
}
static void process_cmd(android_app* app, android_poll_source* source) {
byte cmd = android_app_read_cmd(app);
android_app_pre_exec_cmd(app, cmd);
if (app.onAppCmd != null) app.onAppCmd(app, cmd);
android_app_post_exec_cmd(app, cmd);
}
void* android_app_entry(void* param) {
android_app* android_app = cast(android_app*)param;
android_app.config = AConfiguration_new();
AConfiguration_fromAssetManager(android_app.config, android_app.activity.assetManager);
print_cur_config(android_app);
android_app.cmdPollSource.id = LOOPER_ID_MAIN;
android_app.cmdPollSource.app = android_app;
android_app.cmdPollSource.process = &process_cmd;
android_app.inputPollSource.id = LOOPER_ID_INPUT;
android_app.inputPollSource.app = android_app;
android_app.inputPollSource.process = &process_input;
ALooper* looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
ALooper_addFd(looper, android_app.msgread, LOOPER_ID_MAIN, ALOOPER_EVENT_INPUT, null,
&android_app.cmdPollSource);
android_app.looper = looper;
pthread_mutex_lock(&android_app.mutex);
android_app.running = 1;
pthread_cond_broadcast(&android_app.cond);
pthread_mutex_unlock(&android_app.mutex);
import core.runtime;
rt_init();
android_main(android_app);
rt_term();
android_app_destroy(android_app);
return null;
}
// --------------------------------------------------------------------
// Native activity interaction (called from main thread)
// --------------------------------------------------------------------
static android_app* android_app_create(ANativeActivity* activity,
void* savedState, size_t savedStateSize) {
size_t sz = android_app.sizeof;
android_app* android_app = cast(android_app*)malloc(sz);
memset(android_app, 0, sz);
android_app.activity = activity;
pthread_mutex_init(&android_app.mutex, null);
pthread_cond_init(&android_app.cond, null);
if (savedState != null) {
android_app.savedState = malloc(savedStateSize);
android_app.savedStateSize = savedStateSize;
memcpy(android_app.savedState, savedState, savedStateSize);
}
int[2] msgpipe;
if (pipe(msgpipe)) {
LOGE("could not create pipe: %s", strerror(errno));
return null;
}
android_app.msgread = msgpipe[0];
android_app.msgwrite = msgpipe[1];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
pthread_create(&android_app.thread, &attr, &android_app_entry, android_app);
// Wait for thread to start.
pthread_mutex_lock(&android_app.mutex);
while (!android_app.running) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
pthread_mutex_unlock(&android_app.mutex);
return android_app;
}
static void android_app_write_cmd(android_app* android_app, byte cmd) {
if (write(android_app.msgwrite, &cmd, cmd.sizeof) != cmd.sizeof) {
LOGE("Failure writing android_app cmd: %s\n", strerror(errno));
}
}
static void android_app_set_input(android_app* android_app, AInputQueue* inputQueue) {
pthread_mutex_lock(&android_app.mutex);
android_app.pendingInputQueue = inputQueue;
android_app_write_cmd(android_app, APP_CMD_INPUT_CHANGED);
while (android_app.inputQueue != android_app.pendingInputQueue) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
pthread_mutex_unlock(&android_app.mutex);
}
static void android_app_set_window(android_app* android_app, ANativeWindow* window) {
pthread_mutex_lock(&android_app.mutex);
if (android_app.pendingWindow != null) {
android_app_write_cmd(android_app, APP_CMD_TERM_WINDOW);
}
android_app.pendingWindow = window;
if (window != null) {
android_app_write_cmd(android_app, APP_CMD_INIT_WINDOW);
}
while (android_app.window != android_app.pendingWindow) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
pthread_mutex_unlock(&android_app.mutex);
}
static void android_app_set_activity_state(android_app* android_app, byte cmd) {
pthread_mutex_lock(&android_app.mutex);
android_app_write_cmd(android_app, cmd);
while (android_app.activityState != cmd) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
pthread_mutex_unlock(&android_app.mutex);
}
static void android_app_free(android_app* android_app) {
pthread_mutex_lock(&android_app.mutex);
android_app_write_cmd(android_app, APP_CMD_DESTROY);
while (!android_app.destroyed) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
pthread_mutex_unlock(&android_app.mutex);
close(android_app.msgread);
close(android_app.msgwrite);
pthread_cond_destroy(&android_app.cond);
pthread_mutex_destroy(&android_app.mutex);
free(android_app);
}
static void onDestroy(ANativeActivity* activity) {
LOGV("Destroy: %p\n", activity);
android_app_free(cast(android_app*)activity.instance);
}
static void onStart(ANativeActivity* activity) {
LOGV("Start: %p\n", activity);
android_app_set_activity_state(cast(android_app*)activity.instance, APP_CMD_START);
}
static void onResume(ANativeActivity* activity) {
LOGV("Resume: %p\n", activity);
android_app_set_activity_state(cast(android_app*)activity.instance, APP_CMD_RESUME);
}
static void* onSaveInstanceState(ANativeActivity* activity, size_t* outLen) {
android_app* android_app = cast(android_app*)activity.instance;
void* savedState = null;
LOGV("SaveInstanceState: %p\n", activity);
pthread_mutex_lock(&android_app.mutex);
android_app.stateSaved = 0;
android_app_write_cmd(android_app, APP_CMD_SAVE_STATE);
while (!android_app.stateSaved) {
pthread_cond_wait(&android_app.cond, &android_app.mutex);
}
if (android_app.savedState != null) {
savedState = android_app.savedState;
*outLen = android_app.savedStateSize;
android_app.savedState = null;
android_app.savedStateSize = 0;
}
pthread_mutex_unlock(&android_app.mutex);
return savedState;
}
static void onPause(ANativeActivity* activity) {
LOGV("Pause: %p\n", activity);
android_app_set_activity_state(cast(android_app*)activity.instance, APP_CMD_PAUSE);
}
static void onStop(ANativeActivity* activity) {
LOGV("Stop: %p\n", activity);
android_app_set_activity_state(cast(android_app*)activity.instance, APP_CMD_STOP);
}
static void onConfigurationChanged(ANativeActivity* activity) {
android_app* android_app = cast(android_app*)activity.instance;
LOGV("ConfigurationChanged: %p\n", activity);
android_app_write_cmd(android_app, APP_CMD_CONFIG_CHANGED);
}
static void onLowMemory(ANativeActivity* activity) {
android_app* android_app = cast(android_app*)activity.instance;
LOGV("LowMemory: %p\n", activity);
android_app_write_cmd(android_app, APP_CMD_LOW_MEMORY);
}
static void onWindowFocusChanged(ANativeActivity* activity, int focused) {
LOGV("WindowFocusChanged: %p -- %d\n", activity, focused);
android_app_write_cmd(cast(android_app*)activity.instance,
focused ? APP_CMD_GAINED_FOCUS : APP_CMD_LOST_FOCUS);
}
static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window) {
LOGV("NativeWindowCreated: %p -- %p\n", activity, window);
android_app_set_window(cast(android_app*)activity.instance, window);
}
static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window) {
LOGV("NativeWindowDestroyed: %p -- %p\n", activity, window);
android_app_set_window(cast(android_app*)activity.instance, null);
}
static void onInputQueueCreated(ANativeActivity* activity, AInputQueue* queue) {
LOGV("InputQueueCreated: %p -- %p\n", activity, queue);
android_app_set_input(cast(android_app*)activity.instance, queue);
}
static void onInputQueueDestroyed(ANativeActivity* activity, AInputQueue* queue) {
LOGV("InputQueueDestroyed: %p -- %p\n", activity, queue);
android_app_set_input(cast(android_app*)activity.instance, null);
}
void ANativeActivity_onCreate(ANativeActivity* activity,
void* savedState, size_t savedStateSize) {
LOGV("Creating: %p\n", activity);
activity.callbacks.onDestroy = &onDestroy;
activity.callbacks.onStart = &onStart;
activity.callbacks.onResume = &onResume;
activity.callbacks.onSaveInstanceState = &onSaveInstanceState;
activity.callbacks.onPause = &onPause;
activity.callbacks.onStop = &onStop;
activity.callbacks.onConfigurationChanged = &onConfigurationChanged;
activity.callbacks.onLowMemory = &onLowMemory;
activity.callbacks.onWindowFocusChanged = &onWindowFocusChanged;
activity.callbacks.onNativeWindowCreated = &onNativeWindowCreated;
activity.callbacks.onNativeWindowDestroyed = &onNativeWindowDestroyed;
activity.callbacks.onInputQueueCreated = &onInputQueueCreated;
activity.callbacks.onInputQueueDestroyed = &onInputQueueDestroyed;
activity.instance = android_app_create(activity, savedState, savedStateSize);
}