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Implement pause/resume/stop for winsapi

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Kovid Goyal 2020-11-22 19:06:50 +05:30
parent ca8f302d52
commit 20f08f9791
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1 changed files with 25 additions and 1 deletions
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26
src/calibre/gui2/tts/windows.py
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@ -69,7 +69,7 @@ def speak_simple_text(self, text):
SPF_ASYNC, SPF_IS_NOT_XML, SPF_PURGEBEFORESPEAK
)
self.current_callback = None
self.current_stream_number = self.sp_voice.speak(text, SPF_ASYNC | SPF_PURGEBEFORESPEAK | SPF_IS_NOT_XML)
self.current_stream_number = self.sp_voice.speak(text, SPF_ASYNC | SPF_PURGEBEFORESPEAK | SPF_IS_NOT_XML, True)
def speak_marked_text(self, text, callback):
from calibre_extensions.winsapi import (
@ -77,3 +77,27 @@ def speak_marked_text(self, text, callback):
)
self.current_callback = callback
self.current_stream_number = self.sp_voice.speak(text, SPF_ASYNC | SPF_PURGEBEFORESPEAK | SPF_IS_XML, True)
def stop(self):
from calibre_extensions.winsapi import SPF_PURGEBEFORESPEAK
if self.status['paused']:
self.sp_voice.resume()
self.sp_voice.speak('', SPF_PURGEBEFORESPEAK, False)
self.status = {'synthesizing': False, 'paused': False}
if self.current_callback is not None:
self.current_callback(Event(EventType.cancel))
self.current_callback = None
def pause(self):
if self.status['synthesizing'] and not self.status['paused']:
self.sp_voice.pause()
self.status = {'synthesizing': True, 'paused': True}
if self.current_callback is not None:
self.current_callback(Event(EventType.pause))
def resume(self):
if self.status['paused']:
self.sp_voice.resume()
self.status = {'synthesizing': True, 'paused': False}
if self.current_callback is not None:
self.current_callback(Event(EventType.resume))