diff options
Diffstat (limited to 'ui.h')
| -rw-r--r-- | ui.h | 31 |
1 files changed, 26 insertions, 5 deletions
@@ -17,13 +17,18 @@ #ifndef RECOVERY_UI_H #define RECOVERY_UI_H +#include <linux/input.h> +#include <pthread.h> + // Abstract class for controlling the user interface during recovery. class RecoveryUI { public: + RecoveryUI(); + virtual ~RecoveryUI() { } // Initialize the object; called before anything else. - virtual void Init() = 0; + virtual void Init(); // Set the overall recovery state ("background image"). enum Icon { NONE, INSTALLING, ERROR }; @@ -57,19 +62,19 @@ class RecoveryUI { // --- key handling --- // Wait for keypress and return it. May return -1 after timeout. - virtual int WaitKey() = 0; + virtual int WaitKey(); - virtual bool IsKeyPressed(int key) = 0; + virtual bool IsKeyPressed(int key); // Erase any queued-up keys. - virtual void FlushKeys() = 0; + virtual void FlushKeys(); // Called on each keypress, even while operations are in progress. // Return value indicates whether an immediate operation should be // triggered (toggling the display, rebooting the device), or if // the key should be enqueued for use by the main thread. enum KeyAction { ENQUEUE, TOGGLE, REBOOT }; - virtual KeyAction CheckKey(int key) = 0; + virtual KeyAction CheckKey(int key); // --- menu display --- @@ -86,6 +91,22 @@ class RecoveryUI { // End menu mode, resetting the text overlay so that ui_print() // statements will be displayed. virtual void EndMenu() = 0; + +private: + // Key event input queue + pthread_mutex_t key_queue_mutex; + pthread_cond_t key_queue_cond; + int key_queue[256], key_queue_len; + char key_pressed[KEY_MAX + 1]; // under key_queue_mutex + int key_last_down; // under key_queue_mutex + int rel_sum; + + pthread_t input_t; + + static void* input_thread(void* cookie); + static int input_callback(int fd, short revents, void* data); + void process_key(int key_code, int updown); + bool usb_connected(); }; #endif // RECOVERY_UI_H |