1 files changed, 87 insertions, 0 deletions
diff --git a/recovery_ui/include/recovery_ui/stub_ui.h b/recovery_ui/include/recovery_ui/stub_ui.h
new file mode 100644
index 000000000..fb1d8c7a6
--- /dev/null
+++ b/recovery_ui/include/recovery_ui/stub_ui.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef RECOVERY_STUB_UI_H
+#define RECOVERY_STUB_UI_H
+
+#include <functional>
+#include <string>
+#include <vector>
+
+#include "ui.h"
+
+// Stub implementation of RecoveryUI for devices without screen.
+class StubRecoveryUI : public RecoveryUI {
+ public:
+  StubRecoveryUI() = default;
+
+  std::string GetLocale() const override {
+    return "";
+  }
+  void SetBackground(Icon /* icon */) override {}
+  void SetSystemUpdateText(bool /* security_update */) override {}
+
+  // progress indicator
+  void SetProgressType(ProgressType /* type */) override {}
+  void ShowProgress(float /* portion */, float /* seconds */) override {}
+  void SetProgress(float /* fraction */) override {}
+
+  void SetStage(int /* current */, int /* max */) override {}
+
+  // text log
+  void ShowText(bool /* visible */) override {}
+  bool IsTextVisible() override {
+    return false;
+  }
+  bool WasTextEverVisible() override {
+    return false;
+  }
+
+  // printing messages
+  void Print(const char* fmt, ...) override {
+    va_list ap;
+    va_start(ap, fmt);
+    vprintf(fmt, ap);
+    va_end(ap);
+  }
+  void PrintOnScreenOnly(const char* /* fmt */, ...) override {}
+  void ShowFile(const std::string& /* filename */) override {}
+
+  // menu display
+  size_t ShowMenu(const std::vector<std::string>& /* headers */,
+                  const std::vector<std::string>& /* items */, size_t initial_selection,
+                  bool /* menu_only */,
+                  const std::function<int(int, bool)>& /* key_handler */) override {
+    return initial_selection;
+  }
+
+  size_t ShowPromptWipeDataMenu(const std::vector<std::string>& /* backup_headers */,
+                                const std::vector<std::string>& /* backup_items */,
+                                const std::function<int(int, bool)>& /* key_handle */) override {
+    return 0;
+  }
+
+  size_t ShowPromptWipeDataConfirmationMenu(
+      const std::vector<std::string>& /* backup_headers */,
+      const std::vector<std::string>& /* backup_items */,
+      const std::function<int(int, bool)>& /* key_handle */) override {
+    return 0;
+  }
+
+  void SetTitle(const std::vector<std::string>& /* lines */) override {}
+};
+
+#endif  // RECOVERY_STUB_UI_H