[FL-2119] BT HID App (#888)

* view_dispatcher: add default back processing for Long events
* assets: add ble connected and disconnected assets
* bt keyboard: introduce new application
* bt keyboard: add logic to keyboard mode
* bt: remove debug ble hid application
* bt hid: introduce media controller
* gui canvas: rename CanvasFontDirection -> CanvasDirection
* gui canvas: add arrow element
* assets: update finilized assets
* bt hid: finalise keynote GUI
* bt hid: finalise media player GUI
* bt: add media key buttons support
* bt: add exit confirm view
* bt: change Clicker -> Remote
* bt: support f6 target
* bt: hopefully final bt hid design
* bt hid: add blue led notification when device is connected
* bt: leave only bt clicker for now
* bt: add display notification on pin code show event

applications/bt/bt_service/bt.c

@@ -2,6 +2,8 @@
 #include "battery_service.h"
 #include "bt_keys_storage.h"
 
+#include <applications/notification/notification-messages.h>
+
 #define TAG "BtSrv"
 
 #define BT_RPC_EVENT_BUFF_SENT (1UL << 0)
@@ -29,6 +31,7 @@ static ViewPort* bt_statusbar_view_port_alloc(Bt* bt) {
 
 static void bt_pin_code_show_event_handler(Bt* bt, uint32_t pin) {
     furi_assert(bt);
+    notification_message(bt->notification, &sequence_display_on);
     string_t pin_str;
     dialog_message_set_icon(bt->dialog_message, &I_BLE_Pairing_128x64, 0, 0);
     string_init_printf(pin_str, "Pairing code\n%06d", pin);
@@ -41,6 +44,7 @@ static void bt_pin_code_show_event_handler(Bt* bt, uint32_t pin) {
 
 static bool bt_pin_code_verify_event_handler(Bt* bt, uint32_t pin) {
     furi_assert(bt);
+    notification_message(bt->notification, &sequence_display_on);
     string_t pin_str;
     dialog_message_set_icon(bt->dialog_message, &I_BLE_Pairing_128x64, 0, 0);
     string_init_printf(pin_str, "Verify code\n%06d", pin);
@@ -80,6 +84,8 @@ Bt* bt_alloc() {
 
     // Setup statusbar view port
     bt->statusbar_view_port = bt_statusbar_view_port_alloc(bt);
+    // Notification
+    bt->notification = furi_record_open("notification");
     // Gui
     bt->gui = furi_record_open("gui");
     gui_add_view_port(bt->gui, bt->statusbar_view_port, GuiLayerStatusBarLeft);
@@ -288,6 +294,9 @@ int32_t bt_srv() {
         if(message.type == BtMessageTypeUpdateStatusbar) {
             // Update statusbar
             bt_statusbar_update(bt);
+            if(bt->status_changed_cb) {
+                bt->status_changed_cb(bt->status, bt->status_changed_ctx);
+            }
         } else if(message.type == BtMessageTypeUpdateBatteryLevel) {
             // Update battery level
             furi_hal_bt_update_battery_level(message.data.battery_level);

applications/bt/bt_service/bt.h

@@ -9,13 +9,20 @@ extern "C" {
 
 typedef struct Bt Bt;
 
+typedef enum {
+    BtStatusOff,
+    BtStatusAdvertising,
+    BtStatusConnected,
+} BtStatus;
+
 typedef enum {
     BtProfileSerial,
     BtProfileHidKeyboard,
 } BtProfile;
 
-/**
- * Change BLE Profile
+typedef void (*BtStatusChangedCallback)(BtStatus status, void* context);
+
+/** Change BLE Profile
  * @note Call of this function leads to 2nd core restart
  *
  * @param bt        Bt instance
@@ -25,6 +32,14 @@ typedef enum {
  */
 bool bt_set_profile(Bt* bt, BtProfile profile);
 
+/** Set callback for Bluetooth status change notification
+ *
+ * @param bt        Bt instance
+ * @param callback  BtStatusChangedCallback instance
+ * @param context   pointer to context
+ */
+void bt_set_status_changed_callback(Bt* bt, BtStatusChangedCallback callback, void* context);
+
 #ifdef __cplusplus
 }
 #endif

applications/bt/bt_service/bt_api.c

@@ -13,3 +13,10 @@ bool bt_set_profile(Bt* bt, BtProfile profile) {
 
     return result;
 }
+
+void bt_set_status_changed_callback(Bt* bt, BtStatusChangedCallback callback, void* context) {
+    furi_assert(bt);
+
+    bt->status_changed_cb = callback;
+    bt->status_changed_ctx = context;
+}

applications/bt/bt_service/bt_i.h

@@ -12,17 +12,12 @@
 #include <dialogs/dialogs.h>
 #include <power/power_service/power.h>
 #include <applications/rpc/rpc.h>
+#include <applications/notification/notification.h>
 
 #include "../bt_settings.h"
 
 #define BT_API_UNLOCK_EVENT (1UL << 0)
 
-typedef enum {
-    BtStatusOff,
-    BtStatusAdvertising,
-    BtStatusConnected,
-} BtStatus;
-
 typedef enum {
     BtMessageTypeUpdateStatusbar,
     BtMessageTypeUpdateBatteryLevel,
@@ -51,6 +46,7 @@ struct Bt {
     BtStatus status;
     BtProfile profile;
     osMessageQueueId_t message_queue;
+    NotificationApp* notification;
     Gui* gui;
     ViewPort* statusbar_view_port;
     DialogsApp* dialogs;
@@ -60,4 +56,6 @@ struct Bt {
     RpcSession* rpc_session;
     osEventFlagsId_t rpc_event;
     osEventFlagsId_t api_event;
+    BtStatusChangedCallback status_changed_cb;
+    void* status_changed_ctx;
 };