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emscripten
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emscripten/tests/test_html5.c

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C
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#include <stdio.h>
#include <emscripten.h>
#include <string.h>
#include <emscripten/html5.h>
static inline const char *emscripten_event_type_to_string(int eventType) {
const char *events[] = { "(invalid)", "(none)", "keypress", "keydown", "keyup", "click", "mousedown", "mouseup", "dblclick", "mousemove", "wheel", "resize",
"scroll", "blur", "focus", "focusin", "focusout", "deviceorientation", "devicemotion", "orientationchange", "fullscreenchange", "pointerlockchange",
"visibilitychange", "touchstart", "touchend", "touchmove", "touchcancel", "gamepadconnected", "gamepaddisconnected", "beforeunload",
"batterychargingchange", "batterylevelchange", "webglcontextlost", "webglcontextrestored", "(invalid)" };
++eventType;
if (eventType < 0) eventType = 0;
if (eventType >= sizeof(events)/sizeof(events[0])) eventType = sizeof(events)/sizeof(events[0])-1;
return events[eventType];
}
const char *emscripten_result_to_string(EMSCRIPTEN_RESULT result) {
if (result == EMSCRIPTEN_RESULT_SUCCESS) return "EMSCRIPTEN_RESULT_SUCCESS";
if (result == EMSCRIPTEN_RESULT_DEFERRED) return "EMSCRIPTEN_RESULT_DEFERRED";
if (result == EMSCRIPTEN_RESULT_NOT_SUPPORTED) return "EMSCRIPTEN_RESULT_NOT_SUPPORTED";
if (result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED) return "EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED";
if (result == EMSCRIPTEN_RESULT_INVALID_TARGET) return "EMSCRIPTEN_RESULT_INVALID_TARGET";
if (result == EMSCRIPTEN_RESULT_UNKNOWN_TARGET) return "EMSCRIPTEN_RESULT_UNKNOWN_TARGET";
if (result == EMSCRIPTEN_RESULT_INVALID_PARAM) return "EMSCRIPTEN_RESULT_INVALID_PARAM";
if (result == EMSCRIPTEN_RESULT_FAILED) return "EMSCRIPTEN_RESULT_FAILED";
if (result == EMSCRIPTEN_RESULT_NO_DATA) return "EMSCRIPTEN_RESULT_NO_DATA";
return "Unknown EMSCRIPTEN_RESULT!";
}
#define TEST_RESULT(x) if (ret != EMSCRIPTEN_RESULT_SUCCESS) printf("%s returned %s.\n", #x, emscripten_result_to_string(ret));
// The event handler functions can return 1 to suppress the event and disable the default action. That calls event.preventDefault();
// Returning 0 signals that the event was not consumed by the code, and will allow the event to pass on and bubble up normally.
EM_BOOL key_callback(int eventType, const EmscriptenKeyboardEvent *e, void *userData)
{
printf("%s, key: \"%s\", code: \"%s\", location: %lu,%s%s%s%s repeat: %d, locale: \"%s\", char: \"%s\", charCode: %lu, keyCode: %lu, which: %lu\n",
emscripten_event_type_to_string(eventType), e->key, e->code, e->location,
e->ctrlKey ? " CTRL" : "", e->shiftKey ? " SHIFT" : "", e->altKey ? " ALT" : "", e->metaKey ? " META" : "",
e->repeat, e->locale, e->charValue, e->charCode, e->keyCode, e->which);
if (eventType == EMSCRIPTEN_EVENT_KEYPRESS && (!strcmp(e->key, "f") || e->which == 102)) {
EmscriptenFullscreenChangeEvent fsce;
EMSCRIPTEN_RESULT ret = emscripten_get_fullscreen_status(&fsce);
TEST_RESULT(emscripten_get_fullscreen_status);
if (!fsce.isFullscreen) {
printf("Requesting fullscreen..\n");
ret = emscripten_request_fullscreen(0, 1);
TEST_RESULT(emscripten_request_fullscreen);
} else {
printf("Exiting fullscreen..\n");
ret = emscripten_exit_fullscreen();
TEST_RESULT(emscripten_exit_fullscreen);
ret = emscripten_get_fullscreen_status(&fsce);
TEST_RESULT(emscripten_get_fullscreen_status);
if (fsce.isFullscreen) {
fprintf(stderr, "Fullscreen exit did not work!\n");
}
}
}
if (eventType == EMSCRIPTEN_EVENT_KEYPRESS && (!strcmp(e->key, "p") || e->which == 112)) {
EmscriptenPointerlockChangeEvent plce;
EMSCRIPTEN_RESULT ret = emscripten_get_pointerlock_status(&plce);
TEST_RESULT(emscripten_get_pointerlock_status);
if (!plce.isActive) {
printf("Requesting pointer lock..\n");
ret = emscripten_request_pointerlock(0, 1);
TEST_RESULT(emscripten_request_pointerlock);
} else {
printf("Exiting pointer lock..\n");
ret = emscripten_exit_pointerlock();
TEST_RESULT(emscripten_exit_pointerlock);
ret = emscripten_get_pointerlock_status(&plce);
TEST_RESULT(emscripten_get_pointerlock_status);
if (plce.isActive) {
fprintf(stderr, "Pointer lock exit did not work!\n");
}
}
}
return 0;
}
EM_BOOL mouse_callback(int eventType, const EmscriptenMouseEvent *e, void *userData)
{
printf("%s, screen: (%ld,%ld), client: (%ld,%ld),%s%s%s%s button: %hu, buttons: %hu, movement: (%ld,%ld), canvas: (%ld,%ld)\n",
emscripten_event_type_to_string(eventType), e->screenX, e->screenY, e->clientX, e->clientY,
e->ctrlKey ? " CTRL" : "", e->shiftKey ? " SHIFT" : "", e->altKey ? " ALT" : "", e->metaKey ? " META" : "",
e->button, e->buttons, e->movementX, e->movementY, e->canvasX, e->canvasY);
return 0;
}
EM_BOOL wheel_callback(int eventType, const EmscriptenWheelEvent *e, void *userData)
{
printf("%s, screen: (%ld,%ld), client: (%ld,%ld),%s%s%s%s button: %hu, buttons: %hu, canvas: (%ld,%ld), delta:(%g,%g,%g), deltaMode:%lu\n",
emscripten_event_type_to_string(eventType), e->mouse.screenX, e->mouse.screenY, e->mouse.clientX, e->mouse.clientY,
e->mouse.ctrlKey ? " CTRL" : "", e->mouse.shiftKey ? " SHIFT" : "", e->mouse.altKey ? " ALT" : "", e->mouse.metaKey ? " META" : "",
e->mouse.button, e->mouse.buttons, e->mouse.canvasX, e->mouse.canvasY,
(float)e->deltaX, (float)e->deltaY, (float)e->deltaZ, e->deltaMode);
return 0;
}
EM_BOOL uievent_callback(int eventType, const EmscriptenUiEvent *e, void *userData)
{
printf("%s, detail: %ld, document.body.client size: (%d,%d), window.inner size: (%d,%d), scrollPos: (%d, %d)\n",
emscripten_event_type_to_string(eventType), e->detail, e->documentBodyClientWidth, e->documentBodyClientHeight,
e->windowInnerWidth, e->windowInnerHeight, e->scrollTop, e->scrollLeft);
return 0;
}
EM_BOOL focusevent_callback(int eventType, const EmscriptenFocusEvent *e, void *userData)
{
printf("%s, nodeName: \"%s\", id: \"%s\"\n", emscripten_event_type_to_string(eventType), e->nodeName, e->id[0] == '\0' ? "(empty string)" : e->id);
return 0;
}
EM_BOOL deviceorientation_callback(int eventType, const EmscriptenDeviceOrientationEvent *e, void *userData)
{
printf("%s, (%g, %g, %g)\n", emscripten_event_type_to_string(eventType), e->alpha, e->beta, e->gamma);
return 0;
}
EM_BOOL devicemotion_callback(int eventType, const EmscriptenDeviceMotionEvent *e, void *userData)
{
printf("%s, accel: (%g, %g, %g), accelInclGravity: (%g, %g, %g), rotationRate: (%g, %g, %g)\n",
emscripten_event_type_to_string(eventType),
e->accelerationX, e->accelerationY, e->accelerationZ,
e->accelerationIncludingGravityX, e->accelerationIncludingGravityY, e->accelerationIncludingGravityZ,
e->rotationRateAlpha, e->rotationRateBeta, e->rotationRateGamma);
return 0;
}
EM_BOOL orientationchange_callback(int eventType, const EmscriptenOrientationChangeEvent *e, void *userData)
{
printf("%s, orientationAngle: %d, orientationIndex: %d\n", emscripten_event_type_to_string(eventType), e->orientationAngle, e->orientationIndex);
return 0;
}
EM_BOOL fullscreenchange_callback(int eventType, const EmscriptenFullscreenChangeEvent *e, void *userData)
{
printf("%s, isFullscreen: %d, fullscreenEnabled: %d, fs element nodeName: \"%s\", fs element id: \"%s\". New size: %dx%d pixels. Screen size: %dx%d pixels.\n",
emscripten_event_type_to_string(eventType), e->isFullscreen, e->fullscreenEnabled, e->nodeName, e->id, e->elementWidth, e->elementHeight, e->screenWidth, e->screenHeight);
return 0;
}
EM_BOOL pointerlockchange_callback(int eventType, const EmscriptenPointerlockChangeEvent *e, void *userData)
{
printf("%s, isActive: %d, pointerlock element nodeName: \"%s\", id: \"%s\"\n",
emscripten_event_type_to_string(eventType), e->isActive, e->nodeName, e->id);
return 0;
}
EM_BOOL visibilitychange_callback(int eventType, const EmscriptenVisibilityChangeEvent *e, void *userData)
{
printf("%s, hidden: %d, visibilityState: %d\n", emscripten_event_type_to_string(eventType), e->hidden, e->visibilityState);
return 0;
}
EM_BOOL touch_callback(int eventType, const EmscriptenTouchEvent *e, void *userData)
{
printf("%s, numTouches: %d %s%s%s%s\n",
emscripten_event_type_to_string(eventType), e->numTouches,
e->ctrlKey ? " CTRL" : "", e->shiftKey ? " SHIFT" : "", e->altKey ? " ALT" : "", e->metaKey ? " META" : "");
for(int i = 0; i < e->numTouches; ++i)
{
const EmscriptenTouchPoint *t = &e->touches[i];
printf(" %ld: screen: (%ld,%ld), client: (%ld,%ld), page: (%ld,%ld), isChanged: %d, onTarget: %d, canvas: (%ld, %ld)\n",
t->identifier, t->screenX, t->screenY, t->clientX, t->clientY, t->pageX, t->pageY, t->isChanged, t->onTarget, t->canvasX, t->canvasY);
}
return 0;
}
EM_BOOL gamepad_callback(int eventType, const EmscriptenGamepadEvent *e, void *userData)
{
printf("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"\n",
eventType != 0 ? emscripten_event_type_to_string(eventType) : "Gamepad state", e->timestamp, e->connected, e->index,
e->numAxes, e->numButtons, e->id, e->mapping);
if (e->connected)
{
for(int i = 0; i < e->numAxes; ++i)
printf("Axis %d: %g\n", i, e->axis[i]);
for(int i = 0; i < e->numButtons; ++i)
printf("Button %d: Digital: %d, Analog: %g\n", i, e->digitalButton[i], e->analogButton[i]);
}
return 0;
}
const char *beforeunload_callback(int eventType, const void *reserved, void *userData)
{
#ifdef REPORT_RESULT
return ""; // For test harness, don't show a confirmation dialog to not block and keep the test runner automated.
#else
return "Do you really want to leave the page?";
#endif
}
void formatTime(char *str, int seconds)
{
int h = seconds / (60*60);
seconds -= h*60*60;
int m = seconds / 60;
seconds -= m*60;
if (h > 0)
{
sprintf(str, "%dh:%02dm:%02ds", h, m, seconds);
}
else
{
sprintf(str, "%02dm:%02ds", m, seconds);
}
}
EM_BOOL battery_callback(int eventType, const EmscriptenBatteryEvent *e, void *userData)
{
char t1[64];
formatTime(t1, (int)e->chargingTime);
char t2[64];
formatTime(t2, (int)e->dischargingTime);
printf("%s: chargingTime: %s, dischargingTime: %s, level: %g%%, charging: %d\n",
emscripten_event_type_to_string(eventType), t1, t2, e->level*100, e->charging);
return 0;
}
EM_BOOL webglcontext_callback(int eventType, const void *reserved, void *userData)
{
printf("%s.\n", emscripten_event_type_to_string(eventType));
return 0;
}
EmscriptenGamepadEvent prevState[32];
int prevNumGamepads = 0;
void mainloop()
{
int numGamepads = emscripten_get_num_gamepads();
if (numGamepads != prevNumGamepads)
{
if (numGamepads == EMSCRIPTEN_RESULT_NOT_SUPPORTED) {
printf("emscripten_get_num_gamepads returned EMSCRIPTEN_RESULT_NOT_SUPPORTED.\n");
emscripten_cancel_main_loop();
return;
} else {
printf("Number of connected gamepads: %d\n", numGamepads);
}
prevNumGamepads = numGamepads;
}
for(int i = 0; i < numGamepads && i < 32; ++i)
{
EmscriptenGamepadEvent ge;
int failed = emscripten_get_gamepad_status(i, &ge);
if (!failed)
{
int g = ge.index;
for(int j = 0; j < ge.numAxes; ++j)
{
if (ge.axis[j] != prevState[g].axis[j])
printf("Gamepad %d, axis %d: %g\n", g, j, ge.axis[j]);
}
for(int j = 0; j < ge.numButtons; ++j)
{
if (ge.analogButton[j] != prevState[g].analogButton[j] || ge.digitalButton[j] != prevState[g].digitalButton[j])
printf("Gamepad %d, button %d: Digital: %d, Analog: %g\n", g, j, ge.digitalButton[j], ge.analogButton[j]);
}
prevState[g] = ge;
}
}
}
#ifdef REPORT_RESULT
void report_result(void *arg)
{
int result = 0;
REPORT_RESULT();
}
#endif
int main()
{
EMSCRIPTEN_RESULT ret = emscripten_set_keypress_callback(0, 0, 1, key_callback);
TEST_RESULT(emscripten_set_keypress_callback);
ret = emscripten_set_keydown_callback(0, 0, 1, key_callback);
TEST_RESULT(emscripten_set_keydown_callback);
ret = emscripten_set_keyup_callback(0, 0, 1, key_callback);
TEST_RESULT(emscripten_set_keyup_callback);
ret = emscripten_set_click_callback(0, 0, 1, mouse_callback);
TEST_RESULT(emscripten_set_click_callback);
ret = emscripten_set_mousedown_callback(0, 0, 1, mouse_callback);
TEST_RESULT(emscripten_set_mousedown_callback);
ret = emscripten_set_mouseup_callback(0, 0, 1, mouse_callback);
TEST_RESULT(emscripten_set_mouseup_callback);
ret = emscripten_set_dblclick_callback(0, 0, 1, mouse_callback);
TEST_RESULT(emscripten_set_dblclick_callback);
ret = emscripten_set_mousemove_callback(0, 0, 1, mouse_callback);
TEST_RESULT(emscripten_set_mousemove_callback);
ret = emscripten_set_wheel_callback(0, 0, 1, wheel_callback);
TEST_RESULT(emscripten_set_wheel_callback);
ret = emscripten_set_resize_callback(0, 0, 1, uievent_callback);
TEST_RESULT(emscripten_set_resize_callback);
ret = emscripten_set_scroll_callback(0, 0, 1, uievent_callback);
TEST_RESULT(emscripten_set_scroll_callback);
ret = emscripten_set_blur_callback(0, 0, 1, focusevent_callback);
TEST_RESULT(emscripten_set_blur_callback);
ret = emscripten_set_focus_callback(0, 0, 1, focusevent_callback);
TEST_RESULT(emscripten_set_focus_callback);
ret = emscripten_set_focusin_callback(0, 0, 1, focusevent_callback);
TEST_RESULT(emscripten_set_focusin_callback);
ret = emscripten_set_focusout_callback(0, 0, 1, focusevent_callback);
TEST_RESULT(emscripten_set_focusout_callback);
ret = emscripten_set_deviceorientation_callback(0, 1, deviceorientation_callback);
TEST_RESULT(emscripten_set_deviceorientation_callback);
ret = emscripten_set_devicemotion_callback(0, 1, devicemotion_callback);
TEST_RESULT(emscripten_set_devicemotion_callback);
ret = emscripten_set_orientationchange_callback(0, 1, orientationchange_callback);
TEST_RESULT(emscripten_set_orientationchange_callback);
// Test the polling of orientation.
EmscriptenOrientationChangeEvent oce;
ret = emscripten_get_orientation_status(&oce);
TEST_RESULT(emscripten_get_orientation_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("The current orientation is:\n");
orientationchange_callback(EMSCRIPTEN_EVENT_ORIENTATIONCHANGE, &oce, 0);
}
int newOrientation = (oce.orientationIndex == EMSCRIPTEN_ORIENTATION_PORTRAIT_PRIMARY
|| oce.orientationIndex == EMSCRIPTEN_ORIENTATION_PORTRAIT_SECONDARY) ? EMSCRIPTEN_ORIENTATION_LANDSCAPE_PRIMARY : EMSCRIPTEN_ORIENTATION_PORTRAIT_PRIMARY;
// Test locking of orientation.
ret = emscripten_lock_orientation(newOrientation);
TEST_RESULT(emscripten_lock_orientation);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("Locked orientation to state %d.\n", newOrientation);
}
ret = emscripten_get_orientation_status(&oce);
TEST_RESULT(emscripten_get_orientation_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("The current orientation is after locking:\n");
orientationchange_callback(18, &oce, 0);
}
ret = emscripten_unlock_orientation();
TEST_RESULT(emscripten_unlock_orientation);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("Unlocked orientation.\n");
}
EmscriptenFullscreenChangeEvent fsce;
ret = emscripten_get_fullscreen_status(&fsce);
TEST_RESULT(emscripten_get_fullscreen_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("The current fullscreen status is:\n");
fullscreenchange_callback(EMSCRIPTEN_EVENT_FULLSCREENCHANGE, &fsce, 0);
}
ret = emscripten_set_fullscreenchange_callback(0, 0, 1, fullscreenchange_callback);
TEST_RESULT(emscripten_set_fullscreenchange_callback);
// These won't do anything, since fullscreen must be requested in an event handler,
// but call these anyways to confirm that they don't crash in an exception in the test suite.
ret = emscripten_request_fullscreen(0, 1);
TEST_RESULT(emscripten_request_fullscreen);
ret = emscripten_exit_fullscreen();
TEST_RESULT(emscripten_exit_fullscreen);
EmscriptenPointerlockChangeEvent plce;
ret = emscripten_get_pointerlock_status(&plce);
TEST_RESULT(emscripten_get_pointerlock_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("The current pointerlock status is:\n");
pointerlockchange_callback(EMSCRIPTEN_EVENT_POINTERLOCKCHANGE, &plce, 0);
}
ret = emscripten_set_pointerlockchange_callback(0, 0, 1, pointerlockchange_callback);
TEST_RESULT(emscripten_set_pointerlockchange_callback);
// These won't do anything, since pointer lock must be requested in an event handler,
// but call these anyways to confirm that they don't crash in an exception in the test suite.
ret = emscripten_request_pointerlock(0, 1);
TEST_RESULT(emscripten_request_pointerlock);
ret = emscripten_exit_pointerlock();
TEST_RESULT(emscripten_exit_pointerlock);
int vibratePattern[] = {
150, 500,
300, 500,
450
};
ret = emscripten_vibrate_pattern(vibratePattern, sizeof(vibratePattern)/sizeof(vibratePattern[0]));
TEST_RESULT(emscripten_vibrate_pattern);
EmscriptenVisibilityChangeEvent vce;
ret = emscripten_get_visibility_status(&vce);
TEST_RESULT(emscripten_get_visibility_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("Current visibility status:\n");
visibilitychange_callback(EMSCRIPTEN_EVENT_VISIBILITYCHANGE, &vce, 0);
}
ret = emscripten_set_visibilitychange_callback(0, 1, visibilitychange_callback);
TEST_RESULT(emscripten_set_visibilitychange_callback);
ret = emscripten_set_touchstart_callback(0, 0, 1, touch_callback);
TEST_RESULT(emscripten_set_touchstart_callback);
ret = emscripten_set_touchend_callback(0, 0, 1, touch_callback);
TEST_RESULT(emscripten_set_touchend_callback);
ret = emscripten_set_touchmove_callback(0, 0, 1, touch_callback);
TEST_RESULT(emscripten_set_touchmove_callback);
ret = emscripten_set_touchcancel_callback(0, 0, 1, touch_callback);
TEST_RESULT(emscripten_set_touchcancel_callback);
ret = emscripten_set_gamepadconnected_callback(0, 1, gamepad_callback);
TEST_RESULT(emscripten_set_gamepadconnected_callback);
ret = emscripten_set_gamepaddisconnected_callback(0, 1, gamepad_callback);
TEST_RESULT(emscripten_set_gamepaddisconnected_callback);
emscripten_set_main_loop(mainloop, 10, 0);
ret = emscripten_set_beforeunload_callback(0, beforeunload_callback);
TEST_RESULT(emscripten_set_beforeunload_callback);
ret = emscripten_set_batterychargingchange_callback(0, battery_callback);
TEST_RESULT(emscripten_set_batterychargingchange_callback);
ret = emscripten_set_batterylevelchange_callback(0, battery_callback);
TEST_RESULT(emscripten_set_batterylevelchange_callback);
EmscriptenBatteryEvent bs;
ret = emscripten_get_battery_status(&bs);
TEST_RESULT(emscripten_get_battery_status);
if (ret == EMSCRIPTEN_RESULT_SUCCESS) {
printf("Current battery status:\n");
battery_callback(EMSCRIPTEN_EVENT_BATTERYLEVELCHANGE, &bs, 0);
}
ret = emscripten_set_webglcontextlost_callback(0, 0, 1, webglcontext_callback);
TEST_RESULT(emscripten_set_webglcontextlost_callback);
ret = emscripten_set_webglcontextrestored_callback(0, 0, 1, webglcontext_callback);
TEST_RESULT(emscripten_set_webglcontextrestored_callback);
/* For the events to function, one must either call emscripten_set_main_loop or enable Module.noExitRuntime by some other means.
Otherwise the application will exit after leaving main(), and the atexit handlers will clean up all event hooks (by design). */
EM_ASM(Module['noExitRuntime'] = true);
#ifdef REPORT_RESULT
// Keep the page running for a moment.
emscripten_async_call(report_result, 0, 5000);
#endif
return 0;
}
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