#include "desktopLrcFrm.h"

HWND GetDeskTopWnd() {
	HWND windowHandle = ::FindWindowW(L"Progman", L"Program Manager");
	::SendMessageW(windowHandle, 0x052c, 0, 0);
	::EnumWindows([](HWND tophandle, LPARAM lParam)->BOOL {
		HWND defview = ::FindWindowExW(tophandle, 0, L"SHELLDLL_DefView", NULL);
		if (defview != NULL)
		{
			HWND workerw = ::FindWindowExW(0, tophandle, L"WorkerW", 0);
			if (workerw == NULL) {
				workerw = ::FindWindowExW(tophandle, 0, L"WorkerW", 0);
				*((HWND*)lParam) = workerw;
				::ShowWindow(workerw, SW_SHOW);
			}
			else
			{
				::ShowWindow(workerw, SW_HIDE);
			}
			return FALSE;
		}
		return TRUE;
		}, (LPARAM)&windowHandle);
	return windowHandle;
}

DesktopLrcFrm::DesktopLrcFrm(VlcPlayer* player) :_player(player), LayeredWindow(0, 0) {
	//关闭默认的窗口阴影
	this->CloseShadowBox();
	//获取桌面的窗口句柄
	HWND workWnd = GetDeskTopWnd();
	::SetParent(Hwnd(), workWnd);
	RECT workRect;
	::GetClientRect(workWnd, &workRect);
	::SetWindowPos(Hwnd(), NULL, workRect.left, workRect.top, workRect.left + workRect.right, workRect.top + workRect.bottom, SWP_NOZORDER | SWP_NOACTIVATE);
	//设置窗口布局
	_lrc.Style.FontSize = 20;
	_lrc.Style.ForeColor = Color::White;
	this->SetLayout(&_lrc);
}
void DesktopLrcFrm::LoadLrc(const UIString& lrcData) {
	_lrc.LoadLrc(lrcData);
}

void DesktopLrcFrm::ChangePostion(int postion) {
	_lrc.ChangePostion(postion);
}

void DesktopLrcFrm::OnPaint(PaintEventArgs& arg) {
	//绘制视频的帧图像到窗口上
	if (_player->BuffBitmap) {
		Image img(_player->BuffBitmap->GetHBITMAP());
		img.SizeMode = ImageSizeMode::Cover;
		arg.Graphics.DrawImage(&img, this->GetClientRect());
		arg.Graphics.SetColor(Color(0, 0, 0, 100));
		arg.Graphics.FillRectangle(this->GetClientRect());
	}
	__super::OnPaint(arg);
}