feat(app): add a `AvatarProvider` class, in progress

tests/CMakeLists.txt

@@ -50,6 +50,7 @@ list(APPEND LIBS "${CMAKE_SOURCE_DIR}/../OUTPUT/desktop/lib64/libbelcard.so")
 
 set(SOURCES
   src/app/App.cpp
+  src/app/AvatarProvider.cpp
   src/app/Database.cpp
   src/app/DefaultTranslator.cpp
   src/app/Logger.cpp
@@ -70,6 +71,7 @@ set(SOURCES
 
 set(HEADERS
   src/app/App.hpp
+  src/app/AvatarProvider.hpp
   src/app/Database.hpp
   src/app/DefaultTranslator.hpp
   src/app/Logger.hpp

tests/src/app/AvatarProvider.cpp

+#include "Database.hpp"
+#include "../utils.hpp"
+
+#include "AvatarProvider.hpp"
+
+// ===================================================================
+
+AvatarProvider::AvatarProvider () :
+  QQuickImageProvider(
+    QQmlImageProviderBase::Image,
+    QQmlImageProviderBase::ForceAsynchronousImageLoading
+  ) {
+  m_avatars_path = Utils::linphoneStringToQString(Database::getAvatarsPath());
+}
+
+QImage AvatarProvider::requestImage (
+  const QString &id,
+  QSize *size,
+  const QSize &requested_size
+) {
+  // TODO: use a shared image from contact.
+}

tests/src/app/AvatarProvider.hpp

+#ifndef AVATAR_PROVIDER_H_
+#define AVATAR_PROVIDER_H_
+
+#include <QQuickImageProvider>
+
+// ===================================================================
+
+class AvatarProvider : public QQuickImageProvider {
+public:
+  AvatarProvider ();
+  ~AvatarProvider () = default;
+
+  QImage requestImage (
+    const QString &id,
+    QSize *size,
+    const QSize &requested_size
+  ) override;
+
+private:
+  QString m_avatars_path;
+};
+
+#endif // AVATAR_PROVIDER_H_