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-rw-r--r--ui.h31
1 files changed, 26 insertions, 5 deletions
diff --git a/ui.h b/ui.h
index 3ca99a614..750b99333 100644
--- a/ui.h
+++ b/ui.h
@@ -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