rainmeter-studio/Plugins/PluginNowPlaying/PlayerCAD.cpp

438 lines
8.6 KiB
C++

/*
Copyright (C) 2011 Birunthan Mohanathas (www.poiru.net)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "StdAfx.h"
#include "PlayerCAD.h"
#include "CAD/cad_sdk.h"
// This player emulates the CD Art Display IPC API. For now, only MusicBee
// is supported, but this can easily be extended.
extern CPlayer* g_CAD;
/*
** CPlayerCAD
**
** Constructor.
**
*/
CPlayerCAD::CPlayerCAD() : CPlayer(),
m_HasCoverMeasure(false),
m_Window(),
m_PlayerWindow()
{
Initialize();
}
/*
** ~CPlayerCAD
**
** Constructor.
**
*/
CPlayerCAD::~CPlayerCAD()
{
Uninitialize();
}
/*
** AddInstance
**
** Called during initialization of each measure.
**
*/
void CPlayerCAD::AddInstance(MEASURETYPE type)
{
++m_InstanceCount;
if (type == MEASURE_COVER)
{
m_HasCoverMeasure = true;
}
}
/*
** RemoveInstance
**
** Called during destruction of each measure.
**
*/
void CPlayerCAD::RemoveInstance()
{
if (--m_InstanceCount == 0)
{
g_CAD = NULL;
delete this;
}
}
/*
** Initialize
**
** Create receiver window.
**
*/
void CPlayerCAD::Initialize()
{
HINSTANCE hInstance = GetModuleHandle(NULL);
// Create windows class
WNDCLASS wc = {0};
wc.hInstance = hInstance;
wc.lpfnWndProc = WndProc;
wc.lpszClassName = L"NowPlayingCADClass";
RegisterClass(&wc);
// Create dummy window
m_Window = CreateWindow(L"NowPlayingCADClass",
L"CD Art Display 1.x Class",
WS_DISABLED,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
this);
HWND wnd = FindWindow(L"WindowsForms10.Window.8.app.0.378734a", NULL);
if (wnd)
{
// Let's check if it's MusicBee
WCHAR buffer[256];
GetWindowText(wnd, buffer, 256);
if (wcsstr(buffer, L"MusicBee"))
{
m_PlayerWindow = wnd;
SendMessage(m_PlayerWindow, WM_USER, (WPARAM)m_Window, IPC_SET_CALLBACK_HWND);
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_GET_CURRENT_TRACK);
m_State = (PLAYERSTATE)SendMessage(m_PlayerWindow, WM_USER, 0, IPC_GET_PLAYER_STATE);
}
else
{
LSLog(LOG_DEBUG, L"Rainmeter", L"NowPlayingPlugin: MusicBee class found with invalid title.");
}
}
}
/*
** Uninitialize
**
** Destroy reciever window.
**
*/
void CPlayerCAD::Uninitialize()
{
DestroyWindow(m_Window);
UnregisterClass(L"NowPlayingCADClass", GetModuleHandle(NULL));
}
/*
** WndProc
**
** Window procedure for the reciever window.
**
*/
LRESULT CALLBACK CPlayerCAD::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static CPlayerCAD* p;
switch (msg)
{
case WM_CREATE:
// Get pointer to the CPlayerCAD class from the CreateWindow call
p = (CPlayerCAD*)((CREATESTRUCT*)lParam)->lpCreateParams;
return 0;
case WM_DESTROY:
SendMessage(p->m_PlayerWindow, WM_USER, 0, IPC_SHUTDOWN_NOTIFICATION);
return 0;
case WM_USER:
switch (lParam)
{
case IPC_TRACK_CHANGED_NOTIFICATION:
SendMessage(p->m_PlayerWindow, WM_USER, 0, IPC_GET_CURRENT_TRACK);
break;
case IPC_PLAYER_STATE_CHANGED_NOTIFICATION:
p->m_State = (PLAYERSTATE)wParam;
if (p->m_State == PLAYER_STOPPED)
{
p->ClearInfo();
}
break;
case IPC_SHUTDOWN_NOTIFICATION:
p->m_PlayerWindow = NULL;
p->ClearInfo();
break;
}
return 0;
case WM_COPYDATA:
{
PCOPYDATASTRUCT cds = (PCOPYDATASTRUCT)lParam;
if (cds->dwData == IPC_CURRENT_TRACK_INFO)
{
p->m_TrackChanged = true;
std::wstring data = (WCHAR*)cds->lpData;
std::wstring::size_type len = data.find_first_of(L'\t');
p->m_Title.assign(data, 0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_Artist.assign(data, 0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_Album.assign(data, 0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t'); // Skip genre
len = data.find_first_of(L'\t', ++len); // Skip year
len = data.find_first_of(L'\t', ++len); // Skip comments
len = data.find_first_of(L'\t', ++len); // Skip track no
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_Duration = _wtoi(data.substr(0, len).c_str());
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_FilePath.assign(data, 0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t');
UINT rating = _wtoi(data.substr(0, len).c_str()) + 1;
rating /= 2; // From 0 - 10 to 0 - 5
p->m_Rating = rating;
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_CoverPath.assign(data, 0, len);
data.erase(0, ++len);
}
else if (cds->dwData == IPC_REGISTER_PLAYER && !p->m_PlayerWindow)
{
std::wstring data = (WCHAR*)cds->lpData;
if (data[0] == L'1')
{
data.erase(0, 2); // Get rid of the 1\t at the beginning
std::wstring::size_type len = data.find_first_of(L'\t');
std::wstring className = data.substr(0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t');
std::wstring windowName = data.substr(0, len);
data.erase(0, ++len);
len = data.find_first_of(L'\t');
p->m_PlayerPath.assign(data, 0, len);
data.erase(0, ++len);
p->m_PlayerWindow = FindWindow(className.empty() ? NULL : className.c_str(),
windowName.empty() ? NULL : windowName.c_str());
}
}
}
return 0;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
}
/*
** UpdateData
**
** Called during each update of the main measure.
**
*/
void CPlayerCAD::UpdateData()
{
if (m_PlayerWindow)
{
m_Position = SendMessage(m_PlayerWindow, WM_USER, 0, IPC_GET_POSITION);
m_Volume = SendMessage(m_PlayerWindow, WM_USER, 0, IPC_GET_VOLUME);
if (m_TrackChanged)
{
ExecuteTrackChangeAction();
m_TrackChanged = false;
}
}
}
/*
** Play
**
** Handles the Play bang.
**
*/
void CPlayerCAD::Play()
{
if (m_PlayerWindow)
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_PLAY);
}
}
/*
** PlayPause
**
** Handles the PlayPause bang.
**
*/
void CPlayerCAD::PlayPause()
{
if (m_PlayerWindow)
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_PLAYPAUSE);
}
}
/*
** Stop
**
** Handles the Stop bang.
**
*/
void CPlayerCAD::Stop()
{
if (m_PlayerWindow)
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_STOP);
}
}
/*
** Next
**
** Handles the Next bang.
**
*/
void CPlayerCAD::Next()
{
if (m_PlayerWindow)
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_NEXT);
}
}
/*
** Previous
**
** Handles the Previous bang.
**
*/
void CPlayerCAD::Previous()
{
if (m_PlayerWindow)
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_PREVIOUS);
}
}
/*
** SetRating
**
** Handles the SetVolume bang.
**
*/
void CPlayerCAD::SetRating(int rating)
{
if (m_PlayerWindow)
{
m_Rating = rating;
rating *= 2; // From 0 - 5 to 0 - 10
SendMessage(m_PlayerWindow, WM_USER, rating, IPC_RATING_CHANGED_NOTIFICATION);
}
}
/*
** SetVolume
**
** Handles the SetVolume bang.
**
*/
void CPlayerCAD::SetVolume(int volume)
{
if (m_PlayerWindow)
{
if (volume < 0)
{
volume = 0;
}
else if (volume > 100)
{
volume = 100;
}
SendMessage(m_PlayerWindow, WM_USER, volume, IPC_SET_VOLUME);
}
}
/*
** ChangeVolume
**
** Handles the ChangeVolume bang.
**
*/
void CPlayerCAD::ChangeVolume(int volume)
{
volume += m_Volume;
SetVolume(volume);
}
/*
** ClosePlayer
**
** Handles the ClosePlayer bang.
**
*/
void CPlayerCAD::ClosePlayer()
{
SendMessage(m_PlayerWindow, WM_USER, 0, IPC_CLOSE_PLAYER);
m_PlayerWindow = NULL;
ClearInfo();
}
/*
** OpenPlayer
**
** Handles the OpenPlayer bang.
**
*/
void CPlayerCAD::OpenPlayer()
{
}
/*
** TogglePlayer
**
** Handles the TogglePlayer bang.
**
*/
void CPlayerCAD::TogglePlayer()
{
m_PlayerWindow ? ClosePlayer() : OpenPlayer();
}