Textractor/GUI/host/textthread.cc

// textthread.cc
// 8/24/2013 jichi
// Branch IHF/TextThread.cpp, rev 133

#include "textthread.h"
#include "host.h"
#include "const.h"

TextThread::TextThread(ThreadParam tp, DWORD status) : handle(ThreadCounter++), name(Host::GetHookName(tp.pid, tp.hook)), tp(tp), status(status) {}

TextThread::~TextThread()
{
	SetEvent(cancelFlushEvent);
	flusher.join();
	CloseHandle(cancelFlushEvent);
}

std::wstring TextThread::GetStore()
{
	LOCK(ttMutex);
	return storage;
}

void TextThread::Flush()
{
	std::wstring sentence;
	{
		LOCK(ttMutex);
		sentence = buffer;
		buffer.clear();
	}
	AddSentence(sentence);
}

void TextThread::AddSentence(std::wstring sentence)
{
	// Dispatch to extensions occurs here. Don't hold mutex! Extensions might take a while!
	if (Output) sentence = Output(this, sentence);
	LOCK(ttMutex);
	storage.append(sentence);
}

void TextThread::AddText(const BYTE* data, int len)
{
	if (buffer.size() > MaxBufferSize) Flush();
	SetEvent(cancelFlushEvent);
	flusher.join();
	flusher = std::thread([&]
	{
		ResetEvent(cancelFlushEvent);
		if (WaitForSingleObject(cancelFlushEvent, FlushDelay) == WAIT_TIMEOUT) Flush();
	});
	LOCK(ttMutex);
	buffer += status & USING_UNICODE
		? std::wstring((wchar_t*)data, len / 2)
		: StringToWideString(std::string((char*)data, len), status & USING_UTF8 ? CP_UTF8 : SHIFT_JIS);
}

// EOF