refactor app code (#93)

Tactility/Source/app/AppInstance.cpp

@@ -0,0 +1,60 @@
+#include "app/AppInstance.h"
+
+namespace tt::app {
+
+#define TAG "app"
+
+void AppInstance::setState(State newState) {
+    mutex.acquire(TtWaitForever);
+    state = newState;
+    mutex.release();
+}
+
+State AppInstance::getState() const {
+    mutex.acquire(TtWaitForever);
+    auto result = state;
+    mutex.release();
+    return result;
+}
+
+/** TODO: Make this thread-safe.
+ * In practice, the bundle is writeable, so someone could be writing to it
+ * while it is being accessed from another thread.
+ * Consider creating MutableBundle vs Bundle.
+ * Consider not exposing bundle, but expose `app_get_bundle_int(key)` methods with locking in it.
+ */
+const Manifest& AppInstance::getManifest() const {
+    return manifest;
+}
+
+Flags AppInstance::getFlags() const {
+    mutex.acquire(TtWaitForever);
+    auto result = flags;
+    mutex.release();
+    return result;
+}
+
+void AppInstance::setFlags(Flags newFlags) {
+    mutex.acquire(TtWaitForever);
+    flags = newFlags;
+    mutex.release();
+}
+
+_Nullable void* AppInstance::getData() const {
+    mutex.acquire(TtWaitForever);
+    auto result = data;
+    mutex.release();
+    return result;
+}
+
+void AppInstance::setData(void* newData) {
+    mutex.acquire(TtWaitForever);
+    data = newData;
+    mutex.release();
+}
+
+const Bundle& AppInstance::getParameters() const {
+    return parameters;
+}
+
+} // namespace