appmessage.h

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#pragma once
#include <pebble.h>
 
#include "weather/weather_reading.h"

 
// per-channel handler types. a store or a face registers only the channels it cares about, so
// the appmessage pipeline stays separate from who reads the data

typedef void (*WeatherHandler)(const WeatherMessage *msg);

typedef void (*CoordsHandler)(const char *lat, const char *lon);

typedef void (*SettingsChangedHandler)(bool time_or_date_changed);

typedef void (*UnitChangedHandler)(bool fahrenheit);

typedef void (*StockStripHandler)(const uint8_t *buf, uint16_t len);

typedef void (*CalendarStripHandler)(const uint8_t *buf, uint16_t len);
 
// the custom-colours string can be too big for one persist key, so it rides its own handler
// instead of the settings table. inbound the face splits it and stores it. outbound the
// provider rebuilds it into the buffer appmessage hands over, so nobody keeps a worst-case
// buffer alive between sends

typedef void (*CustomColorsHandler)(const char *combined);

typedef void (*CustomColorsProvider)(char *out, size_t n);

#define APPMESSAGE_CUSTOM_COLORS_MAX 502

typedef void (*InboxCompleteHandler)(void);
 
void appmessage_on_weather(WeatherHandler cb);                   
void appmessage_on_coords(CoordsHandler cb);                     
void appmessage_on_settings_changed(SettingsChangedHandler cb);  
void appmessage_on_unit_changed(UnitChangedHandler cb);          
void appmessage_on_stock_strip(StockStripHandler cb);            
void appmessage_on_calendar_strip(CalendarStripHandler cb);      
void appmessage_on_custom_colors(CustomColorsHandler cb);        
void appmessage_set_custom_colors_provider(CustomColorsProvider cb); 
void appmessage_add_inbox_complete(InboxCompleteHandler cb);

void appmessage_open(uint32_t inbox_size);

void appmessage_request_weather(void);

void appmessage_request_stock(void);

void appmessage_request_calendar(void);