128 lines
4.1 KiB
Python
128 lines
4.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Fenrir TTY screen reader
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# By Chrys, Storm Dragon, and contributors.
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from fenrirscreenreader.core import debug
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import threading
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import time
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class ReadAllManager:
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"""Manages continuous read-all functionality with speech completion callbacks."""
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def __init__(self):
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self.active = False
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self.mode = None # 'line' or 'page'
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self.stop_requested = False
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self.env = None
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self.items_read = 0
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self._lock = threading.Lock()
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def initialize(self, environment):
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self.env = environment
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def shutdown(self):
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self.stop_read_all()
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def start_read_all(self, mode):
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"""Start continuous reading in line or page mode."""
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with self._lock:
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if self.active:
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self.stop_read_all()
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self.active = True
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self.mode = mode
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self.stop_requested = False
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self.items_read = 0
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Starting read-all mode '{mode}'",
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debug.DebugLevel.INFO
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)
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# Send first navigation key
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self._send_navigation_key()
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def stop_read_all(self):
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"""Stop continuous reading."""
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with self._lock:
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if not self.active:
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return
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Stopping read-all after {self.items_read} {self.mode}s",
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debug.DebugLevel.INFO
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)
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self.active = False
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self.stop_requested = True
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self.mode = None
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# Cancel any pending speech
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try:
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self.env['runtime']['SpeechDriver'].cancel()
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except Exception as e:
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Error canceling speech: {e}",
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debug.DebugLevel.ERROR
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)
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def is_active(self):
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"""Check if read-all is currently active."""
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return self.active
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def get_mode(self):
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"""Get current read-all mode ('line' or 'page')."""
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return self.mode
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def _send_navigation_key(self):
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"""Send appropriate navigation key based on mode."""
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if not self.active or self.stop_requested:
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return
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try:
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if self.mode == 'line':
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key_sequence = [[1, 'KEY_DOWN'], [0, 'KEY_DOWN']]
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key_name = 'KEY_DOWN'
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elif self.mode == 'page':
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key_sequence = [[1, 'KEY_PAGEDOWN'], [0, 'KEY_PAGEDOWN']]
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key_name = 'KEY_PAGEDOWN'
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else:
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return
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Sending {key_name} ({self.items_read + 1})",
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debug.DebugLevel.INFO
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)
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self.env['runtime']['InputManager'].send_keys(key_sequence)
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self.items_read += 1
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except Exception as e:
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Error sending key: {e}",
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debug.DebugLevel.ERROR
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)
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self.stop_read_all()
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def speech_completed(self):
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"""Called when speech completes - continue reading if active."""
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if not self.active or self.stop_requested:
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return
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self.env["runtime"]["DebugManager"].write_debug_out(
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f"ReadAllManager: Speech completed, continuing read-all",
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debug.DebugLevel.INFO
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)
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# Small delay to prevent overwhelming the system
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def continue_reading():
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time.sleep(0.1)
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if self.active and not self.stop_requested:
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self._send_navigation_key()
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# Use daemon thread to avoid blocking
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thread = threading.Thread(target=continue_reading, daemon=True)
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thread.start() |