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rainmeter-studio/Plugins/PluginNowPlaying/PlayerSpotify.cpp

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/*
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "PlayerSpotify.h"
CPlayer* CPlayerSpotify::c_Player = NULL;
/*
** Constructor.
**
*/
CPlayerSpotify::CPlayerSpotify() : CPlayer(),
m_Window(),
m_LastCheckTime(0)
{
}
/*
** Destructor.
**
*/
CPlayerSpotify::~CPlayerSpotify()
{
c_Player = NULL;
}
/*
** Creates a shared class object.
**
*/
CPlayer* CPlayerSpotify::Create()
{
if (!c_Player)
{
c_Player = new CPlayerSpotify();
}
return c_Player;
}
/*
** Try to find Spotify periodically.
**
*/
bool CPlayerSpotify::CheckWindow()
{
DWORD time = GetTickCount();
// Try to find Spotify window every 5 seconds
if (time - m_LastCheckTime > 5000)
{
m_LastCheckTime = time;
m_Window = FindWindow(L"SpotifyMainWindow", NULL);
if (m_Window)
{
m_Initialized = true;
}
}
return m_Initialized;
}
/*
** Called during each update of the main measure.
**
*/
void CPlayerSpotify::UpdateData()
{
if (m_Initialized || CheckWindow())
{
// Parse title and artist from window title
WCHAR buffer[256];
if (GetWindowText(m_Window, buffer, 256) > 10)
{
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std::wstring title = &buffer[10]; // Skip "Spotify - "
std::wstring::size_type pos = title.find(L" <20> ");
if (pos != std::wstring::npos)
{
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std::wstring artist(title, 0, pos);
pos += 3; // Skip " - "
std::wstring track(title, pos);
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if (track != m_Title || artist != m_Artist)
{
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m_State = STATE_PLAYING;
m_Title = track;
m_Artist = artist;
++m_TrackCount;
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if (m_Measures & MEASURE_LYRICS)
{
FindLyrics();
}
}
return;
}
}
else if (IsWindow(m_Window))
{
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m_State = STATE_PAUSED;
}
else
{
ClearData();
m_Initialized = false;
}
}
}
/*
** Handles the Play bang.
**
*/
void CPlayerSpotify::Play()
{
SendMessage(m_Window, WM_APPCOMMAND, 0, SPOTIFY_PLAYPAUSE);
}
/*
** Handles the Stop bang.
**
*/
void CPlayerSpotify::Stop()
{
SendMessage(m_Window, WM_APPCOMMAND, 0, SPOTIFY_STOP);
}
/*
** Handles the Next bang.
**
*/
void CPlayerSpotify::Next()
{
SendMessage(m_Window, WM_APPCOMMAND, 0, SPOTIFY_NEXT);
}
/*
** Handles the Previous bang.
**
*/
void CPlayerSpotify::Previous()
{
SendMessage(m_Window, WM_APPCOMMAND, 0, SPOTIFY_PREV);
}
/*
** Handles the ClosePlayer bang.
**
*/
void CPlayerSpotify::ClosePlayer()
{
// A little harsh...
DWORD pID;
GetWindowThreadProcessId(m_Window, &pID);
HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, pID);
if (hProcess)
{
TerminateProcess(hProcess, 0);
CloseHandle(hProcess);
}
}
/*
** Handles the OpenPlayer bang.
**
*/
void CPlayerSpotify::OpenPlayer(std::wstring& path)
{
if (!m_Initialized)
{
if (path.empty())
{
// Gotta figure out where Winamp is located at
HKEY hKey;
RegOpenKeyEx(HKEY_CLASSES_ROOT,
L"spotify\\DefaultIcon",
0,
KEY_QUERY_VALUE,
&hKey);
DWORD size = 512;
WCHAR* data = new WCHAR[size];
DWORD type = 0;
if (RegQueryValueEx(hKey,
NULL,
NULL,
(LPDWORD)&type,
(LPBYTE)data,
(LPDWORD)&size) == ERROR_SUCCESS)
{
if (type == REG_SZ)
{
path = data;
path.erase(0, 1); // Get rid of the leading quote
path.resize(path.length() - 3); // And the ",0 at the end
ShellExecute(NULL, L"open", path.c_str(), NULL, NULL, SW_SHOW);
}
}
delete [] data;
RegCloseKey(hKey);
}
else
{
ShellExecute(NULL, L"open", path.c_str(), NULL, NULL, SW_SHOW);
}
}
else
{
// Already active, restore the window
ShowWindow(m_Window, SW_SHOWNORMAL);
BringWindowToTop(m_Window);
}
}