1 /*
2  * Copyright (C) 2015 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 #include "recovery_ui/device.h"
18 
19 #include <algorithm>
20 #include <string>
21 #include <utility>
22 #include <vector>
23 
24 #include <android-base/logging.h>
25 
26 #include "otautil/boot_state.h"
27 #include "recovery_ui/ui.h"
28 
29 static std::vector<std::pair<std::string, Device::BuiltinAction>> g_menu_actions{
30   { "Reboot system now", Device::REBOOT },
31   { "Reboot to bootloader", Device::REBOOT_BOOTLOADER },
32   { "Enter fastboot", Device::ENTER_FASTBOOT },
33   { "Apply update from ADB", Device::APPLY_ADB_SIDELOAD },
34   { "Apply update from SD card", Device::APPLY_SDCARD },
35   { "Wipe data/factory reset", Device::WIPE_DATA },
36   { "Wipe cache partition", Device::WIPE_CACHE },
37   { "Mount /system", Device::MOUNT_SYSTEM },
38   { "View recovery logs", Device::VIEW_RECOVERY_LOGS },
39   { "Run graphics test", Device::RUN_GRAPHICS_TEST },
40   { "Run locale test", Device::RUN_LOCALE_TEST },
41   { "Enter rescue", Device::ENTER_RESCUE },
42   { "Power off", Device::SHUTDOWN },
43 };
44 
45 static std::vector<std::string> g_menu_items;
46 
PopulateMenuItems()47 static void PopulateMenuItems() {
48   g_menu_items.clear();
49   std::transform(g_menu_actions.cbegin(), g_menu_actions.cend(), std::back_inserter(g_menu_items),
50                  [](const auto& entry) { return entry.first; });
51 }
52 
Device(RecoveryUI * ui)53 Device::Device(RecoveryUI* ui) : ui_(ui) {
54   PopulateMenuItems();
55 }
56 
RemoveMenuItemForAction(Device::BuiltinAction action)57 void Device::RemoveMenuItemForAction(Device::BuiltinAction action) {
58   g_menu_actions.erase(
59       std::remove_if(g_menu_actions.begin(), g_menu_actions.end(),
60                      [action](const auto& entry) { return entry.second == action; }));
61   CHECK(!g_menu_actions.empty());
62 
63   // Re-populate the menu items.
64   PopulateMenuItems();
65 }
66 
GetMenuItems()67 const std::vector<std::string>& Device::GetMenuItems() {
68   return g_menu_items;
69 }
70 
InvokeMenuItem(size_t menu_position)71 Device::BuiltinAction Device::InvokeMenuItem(size_t menu_position) {
72   return g_menu_actions[menu_position].second;
73 }
74 
HandleMenuKey(int key,bool visible)75 int Device::HandleMenuKey(int key, bool visible) {
76   if (!visible) {
77     return kNoAction;
78   }
79 
80   switch (key) {
81     case KEY_DOWN:
82     case KEY_VOLUMEDOWN:
83       return kHighlightDown;
84 
85     case KEY_UP:
86     case KEY_VOLUMEUP:
87       return kHighlightUp;
88 
89     case KEY_ENTER:
90     case KEY_POWER:
91       return kInvokeItem;
92 
93     default:
94       // If you have all of the above buttons, any other buttons
95       // are ignored. Otherwise, any button cycles the highlight.
96       return ui_->HasThreeButtons() ? kNoAction : kHighlightDown;
97   }
98 }
99 
SetBootState(const BootState * state)100 void Device::SetBootState(const BootState* state) {
101   boot_state_ = state;
102 }
103 
GetReason() const104 std::optional<std::string> Device::GetReason() const {
105   return boot_state_ ? std::make_optional(boot_state_->reason()) : std::nullopt;
106 }
107 
GetStage() const108 std::optional<std::string> Device::GetStage() const {
109   return boot_state_ ? std::make_optional(boot_state_->stage()) : std::nullopt;
110 }
111