Import of the watch repository from Pebble

src/fw/shell/normal/app_idle_timeout.c

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "app_idle_timeout.h"
+
+#include "kernel/event_loop.h"
+#include "os/tick.h"
+#include "services/common/new_timer/new_timer.h"
+#include "shell/normal/watchface.h"
+#include "shell/shell.h"
+#include "system/logging.h"
+#include "system/passert.h"
+
+
+static const int WATCHFACE_TIMEOUT_MS = 30000;
+
+TimerID s_timer;
+bool s_app_paused = false;
+bool s_app_started = false;
+
+#ifndef NO_WATCH_TIMEOUT
+static void prv_kernel_callback_watchface_launch(void* data) {
+  watchface_launch_default(shell_get_watchface_compositor_animation(true /* watchface_is_dest */));
+}
+
+static void prv_timeout_expired(void *cb_data) {
+  PBL_LOG(LOG_LEVEL_DEBUG, "App idle timeout hit! launching watchface");
+  launcher_task_add_callback(prv_kernel_callback_watchface_launch, NULL);
+}
+
+static void prv_start_timer(bool create) {
+  if (create) {
+    s_timer = new_timer_create();
+  }
+
+  if (s_timer != TIMER_INVALID_ID && !s_app_paused && s_app_started) {
+    bool success = new_timer_start(s_timer, WATCHFACE_TIMEOUT_MS, prv_timeout_expired,
+        NULL, 0 /* flags */);
+    PBL_ASSERTN(success);
+  }
+}
+#endif
+
+void app_idle_timeout_start(void) {
+  PBL_ASSERTN(s_timer == TIMER_INVALID_ID);
+
+  s_app_started = true;
+#ifndef NO_WATCH_TIMEOUT
+  prv_start_timer(true /* create a timer */);
+#endif
+}
+
+void app_idle_timeout_stop(void) {
+  if (s_timer != TIMER_INVALID_ID) {
+    new_timer_delete(s_timer);
+    s_timer = TIMER_INVALID_ID;
+    s_app_started = false;
+  }
+}
+
+void app_idle_timeout_pause(void) {
+  if (s_timer != TIMER_INVALID_ID) {
+    new_timer_stop(s_timer);
+  }
+  s_app_paused = true;
+}
+
+void app_idle_timeout_resume(void) {
+  s_app_paused = false;
+#ifndef NO_WATCH_TIMEOUT
+  prv_start_timer(false /* do not create a timer */);
+#endif
+}
+
+void app_idle_timeout_refresh(void) {
+#ifndef NO_WATCH_TIMEOUT
+  prv_start_timer(false /* do not create a timer */);
+#endif
+}