void weather_layer_set_precipitation_forecast(WeatherLayer* weather_layer, uint8_t* forecast, uint8_t length) {
weather_layer->forecast = forecast;
weather_layer->forecast_count = length;
// Check whether we actually have precipitation in the next half hour.
bool has_forecast = false;
for(uint8_t i = 0; i < 30 && i < length; ++i) {
if(forecast[i]) {
has_forecast = true;
break;
}
}
if(has_forecast) {
// Get rid of the weather icon, if we have one.
if(weather_layer->has_weather_icon) {
layer_remove_from_parent(&weather_layer->icon_layer.layer.layer);
bmp_deinit_container(&weather_layer->icon_layer);
weather_layer->has_weather_icon = false;
}
graph_layer_set_data(&weather_layer->graph_layer, forecast, length);
layer_add_child(&weather_layer->layer, &weather_layer->graph_layer.layer);
weather_layer->has_forecast = true;
} else {
weather_layer_clear_precipitation_forecast(weather_layer);
}
}
void handle_tick(AppContextRef app_ctx, PebbleTickEvent *event) {
time_layer_set_time(&time_layer, *(event->tick_time));
if(precip_forecast_index >= 0) {
++precip_forecast_index;
if(precip_forecast_index > 60) {
weather_layer_clear_precipitation_forecast(&weather_layer);
precip_forecast_index = -1;
} else {
weather_layer_set_precipitation_forecast(&weather_layer, &precip_forecast[precip_forecast_index], 60 - precip_forecast_index);
}
}
}
void success(int32_t cookie, int http_status, DictionaryIterator* received, void* context)
{
if(cookie != WEATHER_HTTP_COOKIE) return;
Tuple* data_tuple = dict_find(received, WEATHER_KEY_CURRENT);
if(data_tuple) {
// The below bitwise dance is so we can actually fit our precipitation forecast.
uint16_t value = data_tuple->value->int16;
uint8_t icon = value >> 11;
if(icon < 10) {
weather_layer_set_icon(&weather_layer, icon);
} else {
weather_layer_set_icon(&weather_layer, WEATHER_ICON_NO_WEATHER);
}
int16_t temp = value & 0x3ff;
if(value & 0x400) temp = -temp;
weather_layer_set_temperature(&weather_layer, temp);
}
Tuple* forecast_tuple = dict_find(received, WEATHER_KEY_PRECIPITATION);
if(forecast_tuple) {
// It's going to rain!
memset(precip_forecast, 0, 60);
memcpy(precip_forecast, forecast_tuple->value->data, forecast_tuple->length > 60 ? 60 : forecast_tuple->length);
precip_forecast_index = 0;
weather_layer_set_precipitation_forecast(&weather_layer, precip_forecast, 60);
} else {
weather_layer_clear_precipitation_forecast(&weather_layer);
}
/*
if(cookie != WEATHER_HTTP_COOKIE)
return;
Tuple* data_tuple = dict_find(received, TEMPERATURE_KEY_CURRENT);
if(data_tuple)
{
weather_layer_set_temperature_str(&weather_layer, data_tuple->value->cstring);
}
*/
}
