Dolphin_srv timestamp and butthurt; Desktop_srv refactoring (#750)

* dolphin_srv: save timestamp on deed; desktop_srv minor refactoring
* dolphin_srv timegated butthurt increse, desktop refactoring
* desktop app: update debug screen
* remove debug logging
* increasing icounter affects butthurt value
* Dolphin: correct error message on DolphinStore load

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/desktop/helpers/desktop_animation.c

@@ -0,0 +1,26 @@
+#include "desktop_animation.h"
+
+static const Icon* idle_scenes[] = {&A_Wink_128x64, &A_WatchingTV_128x64};
+
+const Icon* desktop_get_icon() {
+    uint8_t new = 0;
+
+#if 0
+    // checking dolphin state here to choose appropriate animation
+
+    Dolphin* dolphin = furi_record_open("dolphin");
+    DolphinStats stats = dolphin_stats(dolphin);
+    float timediff = fabs(difftime(stats.timestamp, dolphin_state_timestamp()));
+
+    FURI_LOG_I("desktop-animation", "background change");
+    FURI_LOG_I("desktop-animation", "icounter: %d", stats.icounter);
+    FURI_LOG_I("desktop-animation", "butthurt: %d", stats.butthurt);
+    FURI_LOG_I("desktop-animation", "time since deeed: %.0f", timediff);
+#endif
+
+    if((random() % 100) > 50) { // temp rnd selection
+        new = random() % COUNT_OF(idle_scenes);
+    }
+
+    return idle_scenes[new];
+}

applications/desktop/helpers/desktop_animation.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <furi.h>
+#include <math.h>
+#include <assets_icons.h>
+#include "dolphin/dolphin.h"
+#include "dolphin/helpers/dolphin_state.h"
+#include "time.h"
+
+const Icon* desktop_get_icon();