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3549bb80d0
Also add helpers to manage typed event handlers. Signed-off-by: Bernhard Kölbl <besentv@gmail.com> Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/* WinRT Windows.Media.SpeechRecognition implementation
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*
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* Copyright 2022 Bernhard Kölbl
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "private.h"
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static CRITICAL_SECTION handlers_cs;
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static CRITICAL_SECTION_DEBUG handlers_cs_debug =
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{
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0, 0, &handlers_cs,
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{ &handlers_cs_debug.ProcessLocksList, &handlers_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": handlers_cs") }
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};
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static CRITICAL_SECTION handlers_cs = { &handlers_cs_debug, -1, 0, 0, 0, 0 };
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static EventRegistrationToken next_token = {.value = 1};
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struct typed_event_handler_entry
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{
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struct list entry;
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EventRegistrationToken token;
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ITypedEventHandler_IInspectable_IInspectable *handler;
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};
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HRESULT typed_event_handlers_append( struct list *list, ITypedEventHandler_IInspectable_IInspectable *handler, EventRegistrationToken *token )
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{
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struct typed_event_handler_entry *entry;
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if (!(entry = calloc(1, sizeof(*entry)))) return E_OUTOFMEMORY;
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ITypedEventHandler_IInspectable_IInspectable_AddRef((entry->handler = handler));
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EnterCriticalSection(&handlers_cs);
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*token = entry->token = next_token;
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next_token.value++;
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list_add_tail(list, &entry->entry);
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LeaveCriticalSection(&handlers_cs);
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return S_OK;
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}
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HRESULT typed_event_handlers_remove( struct list *list, EventRegistrationToken *token )
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{
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struct typed_event_handler_entry *entry;
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BOOL found = FALSE;
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EnterCriticalSection(&handlers_cs);
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LIST_FOR_EACH_ENTRY(entry, list, struct typed_event_handler_entry, entry)
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if ((found = !memcmp(&entry->token, token, sizeof(*token)))) break;
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if (found) list_remove(&entry->entry);
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LeaveCriticalSection(&handlers_cs);
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if (found)
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{
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ITypedEventHandler_IInspectable_IInspectable_Release(entry->handler);
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free(entry);
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}
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return S_OK;
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}
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HRESULT typed_event_handlers_notify( struct list *list, IInspectable *sender, IInspectable *args )
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{
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struct typed_event_handler_entry *entry;
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EnterCriticalSection(&handlers_cs);
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LIST_FOR_EACH_ENTRY(entry, list, struct typed_event_handler_entry, entry)
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ITypedEventHandler_IInspectable_IInspectable_Invoke(entry->handler, sender, args);
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LeaveCriticalSection(&handlers_cs);
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return S_OK;
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}
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HRESULT typed_event_handlers_clear( struct list* list )
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{
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struct typed_event_handler_entry *entry, *entry_cursor2;
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EnterCriticalSection(&handlers_cs);
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LIST_FOR_EACH_ENTRY_SAFE(entry, entry_cursor2, list, struct typed_event_handler_entry, entry)
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{
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list_remove(&entry->entry);
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free(entry);
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}
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LeaveCriticalSection(&handlers_cs);
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return S_OK;
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}
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