From 26ea9591bcb90c5ac201fce7ce2f0e1e092c703e Mon Sep 17 00:00:00 2001
From: Tao Bao <tbao@google.com>
Date: Wed, 9 May 2018 16:32:02 -0700
Subject: ui: Use std::thread to create input/progress threads.

Test: Build and boot into recovery on walleye. Check the long press
      detection; `Run graphics test`.
Change-Id: Ic3e9b0652fc3ff6fb3ad118df5ebb9bb4abda2cd
---
 ui.h | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

(limited to 'ui.h')

diff --git a/ui.h b/ui.h
index a74b14f85..75390d83c 100644
--- a/ui.h
+++ b/ui.h
@@ -17,12 +17,13 @@
 #ifndef RECOVERY_UI_H
 #define RECOVERY_UI_H
 
-#include <linux/input.h>
+#include <linux/input.h>  // KEY_MAX
 #include <pthread.h>
-#include <time.h>
 
+#include <atomic>
 #include <functional>
 #include <string>
+#include <thread>
 #include <vector>
 
 // Abstract class for controlling the user interface during recovery.
@@ -51,7 +52,7 @@ class RecoveryUI {
 
   RecoveryUI();
 
-  virtual ~RecoveryUI() {}
+  virtual ~RecoveryUI();
 
   // Initializes the object; called before anything else. UI texts will be initialized according to
   // the given locale. Returns true on success.
@@ -172,12 +173,6 @@ class RecoveryUI {
     OFF
   };
 
-  struct key_timer_t {
-    RecoveryUI* ui;
-    int key_code;
-    int count;
-  };
-
   // The sensitivity when detecting a swipe.
   const int kTouchLowThreshold;
   const int kTouchHighThreshold;
@@ -186,12 +181,10 @@ class RecoveryUI {
   void OnTouchDetected(int dx, int dy);
   int OnInputEvent(int fd, uint32_t epevents);
   void ProcessKey(int key_code, int updown);
+  void TimeKey(int key_code, int count);
 
   bool IsUsbConnected();
 
-  static void* time_key_helper(void* cookie);
-  void time_key(int key_code, int count);
-
   bool InitScreensaver();
 
   // Key event input queue
@@ -223,7 +216,8 @@ class RecoveryUI {
   bool touch_swiping_;
   bool is_bootreason_recovery_ui_;
 
-  pthread_t input_thread_;
+  std::thread input_thread_;
+  std::atomic<bool> input_thread_stopped_{ false };
 
   ScreensaverState screensaver_state_;
 
-- 
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