1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef RECOVERY_STUB_UI_H 18 #define RECOVERY_STUB_UI_H 19 20 #include "ui.h" 21 22 // Stub implementation of RecoveryUI for devices without screen. 23 class StubRecoveryUI : public RecoveryUI { 24 public: 25 StubRecoveryUI() = default; 26 27 void SetBackground(Icon icon) override {} 28 void SetSystemUpdateText(bool security_update) override {} 29 30 // progress indicator 31 void SetProgressType(ProgressType type) override {} 32 void ShowProgress(float portion, float seconds) override {} 33 void SetProgress(float fraction) override {} 34 35 void SetStage(int current, int max) override {} 36 37 // text log 38 void ShowText(bool visible) override {} 39 bool IsTextVisible() override { 40 return false; 41 } 42 bool WasTextEverVisible() override { 43 return false; 44 } 45 46 // printing messages 47 void Print(const char* fmt, ...) override { 48 va_list ap; 49 va_start(ap, fmt); 50 vprintf(fmt, ap); 51 va_end(ap); 52 } 53 void PrintOnScreenOnly(const char* fmt, ...) override {} 54 void ShowFile(const char* filename) override {} 55 56 // menu display 57 void StartMenu(const char* const* headers, const char* const* items, 58 int initial_selection) override {} 59 int SelectMenu(int sel) override { 60 return sel; 61 } 62 void EndMenu() override {} 63 }; 64 65 #endif // RECOVERY_STUB_UI_H 66
