Rpc: add desktop service. Desktop: refactor locking routine. (#2665)

* Rpc: add desktop service
* Protobuf: sync to latest release. Desktop: rewrite PIN locking, finalize locking API
* Desktop: cleanup code a little bit

applications/services/rpc/rpc.c

@@ -57,6 +57,10 @@ static RpcSystemCallbacks rpc_systems[] = {
         .alloc = rpc_system_property_alloc,
         .free = NULL,
     },
+    {
+        .alloc = rpc_desktop_alloc,
+        .free = rpc_desktop_free,
+    },
 };
 
 struct RpcSession {

applications/services/rpc/rpc_desktop.c

@@ -0,0 +1,73 @@
+#include "flipper.pb.h"
+#include "rpc_i.h"
+#include <desktop/desktop.h>
+#include "desktop.pb.h"
+
+#define TAG "RpcDesktop"
+
+typedef struct {
+    RpcSession* session;
+    Desktop* desktop;
+} RpcDesktop;
+
+static void rpc_desktop_on_is_locked_request(const PB_Main* request, void* context) {
+    furi_assert(request);
+    furi_assert(context);
+    furi_assert(request->which_content == PB_Main_desktop_is_locked_request_tag);
+
+    FURI_LOG_D(TAG, "IsLockedRequest");
+    RpcDesktop* rpc_desktop = context;
+    RpcSession* session = rpc_desktop->session;
+
+    PB_CommandStatus ret = desktop_api_is_locked(rpc_desktop->desktop) ? PB_CommandStatus_OK :
+                                                                         PB_CommandStatus_ERROR;
+
+    rpc_send_and_release_empty(session, request->command_id, ret);
+}
+
+static void rpc_desktop_on_unlock_request(const PB_Main* request, void* context) {
+    furi_assert(request);
+    furi_assert(context);
+    furi_assert(request->which_content == PB_Main_desktop_unlock_request_tag);
+
+    FURI_LOG_D(TAG, "UnlockRequest");
+    RpcDesktop* rpc_desktop = context;
+    RpcSession* session = rpc_desktop->session;
+
+    desktop_api_unlock(rpc_desktop->desktop);
+
+    rpc_send_and_release_empty(session, request->command_id, PB_CommandStatus_OK);
+}
+
+void* rpc_desktop_alloc(RpcSession* session) {
+    furi_assert(session);
+
+    RpcDesktop* rpc_desktop = malloc(sizeof(RpcDesktop));
+    rpc_desktop->desktop = furi_record_open(RECORD_DESKTOP);
+    rpc_desktop->session = session;
+
+    RpcHandler rpc_handler = {
+        .message_handler = NULL,
+        .decode_submessage = NULL,
+        .context = rpc_desktop,
+    };
+
+    rpc_handler.message_handler = rpc_desktop_on_is_locked_request;
+    rpc_add_handler(session, PB_Main_desktop_is_locked_request_tag, &rpc_handler);
+
+    rpc_handler.message_handler = rpc_desktop_on_unlock_request;
+    rpc_add_handler(session, PB_Main_desktop_unlock_request_tag, &rpc_handler);
+
+    return rpc_desktop;
+}
+
+void rpc_desktop_free(void* context) {
+    furi_assert(context);
+    RpcDesktop* rpc_desktop = context;
+
+    furi_assert(rpc_desktop->desktop);
+    furi_record_close(RECORD_DESKTOP);
+
+    rpc_desktop->session = NULL;
+    free(rpc_desktop);
+}

applications/services/rpc/rpc_i.h

@@ -36,6 +36,9 @@ void* rpc_system_gpio_alloc(RpcSession* session);
 void rpc_system_gpio_free(void* ctx);
 void* rpc_system_property_alloc(RpcSession* session);
 
+void* rpc_desktop_alloc(RpcSession* session);
+void rpc_desktop_free(void* ctx);
+
 void rpc_debug_print_message(const PB_Main* message);
 void rpc_debug_print_data(const char* prefix, uint8_t* buffer, size_t size);