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 <functional>
21 #include <string>
22 #include <vector>
23 
24 #include "ui.h"
25 
26 // Stub implementation of RecoveryUI for devices without screen.
27 class StubRecoveryUI : public RecoveryUI {
28  public:
29   StubRecoveryUI() = default;
30 
GetLocale()31   std::string GetLocale() const override {
32     return "";
33   }
SetBackground(Icon)34   void SetBackground(Icon /* icon */) override {}
SetSystemUpdateText(bool)35   void SetSystemUpdateText(bool /* security_update */) override {}
36 
37   // progress indicator
SetProgressType(ProgressType)38   void SetProgressType(ProgressType /* type */) override {}
ShowProgress(float,float)39   void ShowProgress(float /* portion */, float /* seconds */) override {}
SetProgress(float)40   void SetProgress(float /* fraction */) override {}
41 
SetStage(int,int)42   void SetStage(int /* current */, int /* max */) override {}
43 
44   // text log
ShowText(bool)45   void ShowText(bool /* visible */) override {}
IsTextVisible()46   bool IsTextVisible() override {
47     return false;
48   }
WasTextEverVisible()49   bool WasTextEverVisible() override {
50     return false;
51   }
52 
53   // printing messages
Print(const char * fmt,...)54   void Print(const char* fmt, ...) override {
55     va_list ap;
56     va_start(ap, fmt);
57     vprintf(fmt, ap);
58     va_end(ap);
59   }
PrintOnScreenOnly(const char *,...)60   void PrintOnScreenOnly(const char* /* fmt */, ...) override {}
ShowFile(const std::string &)61   void ShowFile(const std::string& /* filename */) override {}
62 
63   // menu display
64   size_t ShowMenu(const std::vector<std::string>& /* headers */,
65                   const std::vector<std::string>& /* items */, size_t /* initial_selection */,
66                   bool /* menu_only */,
67                   const std::function<int(int, bool)>& /* key_handler */) override;
68 
ShowPromptWipeDataMenu(const std::vector<std::string> &,const std::vector<std::string> &,const std::function<int (int,bool)> &)69   size_t ShowPromptWipeDataMenu(const std::vector<std::string>& /* backup_headers */,
70                                 const std::vector<std::string>& /* backup_items */,
71                                 const std::function<int(int, bool)>& /* key_handle */) override {
72     return 0;
73   }
74 
ShowPromptWipeDataConfirmationMenu(const std::vector<std::string> &,const std::vector<std::string> &,const std::function<int (int,bool)> &)75   size_t ShowPromptWipeDataConfirmationMenu(
76       const std::vector<std::string>& /* backup_headers */,
77       const std::vector<std::string>& /* backup_items */,
78       const std::function<int(int, bool)>& /* key_handle */) override {
79     return 0;
80   }
81 
SetTitle(const std::vector<std::string> &)82   void SetTitle(const std::vector<std::string>& /* lines */) override {}
83 };
84 
85 #endif  // RECOVERY_STUB_UI_H
86