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csystray.cpp
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csystray.cpp
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/*
* PROJECT: ReactOS system libraries
* LICENSE: GPL - See COPYING in the top level directory
* FILE: dll/shellext/stobject/csystray.cpp
* PURPOSE: Systray shell service object implementation
* PROGRAMMERS: David Quintana <gigaherz@gmail.com>
*/
#include "precomp.h"
WINE_DEFAULT_DEBUG_CHANNEL(stobject);
SysTrayIconHandlers_t g_IconHandlers [] = {
{ Volume_Init, Volume_Shutdown, Volume_Update, Volume_Message },
{ Power_Init, Power_Shutdown, Power_Update, Power_Message }
};
const int g_NumIcons = _countof(g_IconHandlers);
CSysTray::CSysTray() {}
CSysTray::~CSysTray() {}
HRESULT CSysTray::InitNetShell()
{
HRESULT hr = CoCreateInstance(CLSID_ConnectionTray, 0, 1u, IID_PPV_ARG(IOleCommandTarget, &pctNetShell));
if (FAILED(hr))
return hr;
return pctNetShell->Exec(&CGID_ShellServiceObject,
OLECMDID_NEW,
OLECMDEXECOPT_DODEFAULT, NULL, NULL);
}
HRESULT CSysTray::ShutdownNetShell()
{
if (!pctNetShell)
return S_FALSE;
HRESULT hr = pctNetShell->Exec(&CGID_ShellServiceObject,
OLECMDID_SAVE,
OLECMDEXECOPT_DODEFAULT, NULL, NULL);
pctNetShell.Release();
return hr;
}
HRESULT CSysTray::InitIcons()
{
TRACE("Initializing Notification icons...\n");
for (int i = 0; i < g_NumIcons; i++)
{
HRESULT hr = g_IconHandlers[i].pfnInit(this);
if (FAILED(hr))
return hr;
}
return InitNetShell();
}
HRESULT CSysTray::ShutdownIcons()
{
TRACE("Shutting down Notification icons...\n");
for (int i = 0; i < g_NumIcons; i++)
{
HRESULT hr = g_IconHandlers[i].pfnShutdown(this);
if (FAILED(hr))
return hr;
}
return ShutdownNetShell();
}
HRESULT CSysTray::UpdateIcons()
{
TRACE("Updating Notification icons...\n");
for (int i = 0; i < g_NumIcons; i++)
{
HRESULT hr = g_IconHandlers[i].pfnUpdate(this);
if (FAILED(hr))
return hr;
}
return S_OK;
}
HRESULT CSysTray::ProcessIconMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT &lResult)
{
for (int i = 0; i < g_NumIcons; i++)
{
HRESULT hr = g_IconHandlers[i].pfnMessage(this, uMsg, wParam, lParam, lResult);
if (FAILED(hr))
return hr;
if (hr == S_OK)
return hr;
}
// Not handled by anyone, so return accordingly.
return S_FALSE;
}
HRESULT CSysTray::NotifyIcon(INT code, UINT uId, HICON hIcon, LPCWSTR szTip)
{
NOTIFYICONDATA nim = { 0 };
TRACE("NotifyIcon code=%d, uId=%d, hIcon=%p, szTip=%S\n", code, uId, hIcon, szTip);
nim.cbSize = sizeof(NOTIFYICONDATA);
nim.uFlags = NIF_MESSAGE | NIF_ICON | NIF_STATE | NIF_TIP;
nim.hIcon = hIcon;
nim.uID = uId;
nim.uCallbackMessage = uId;
nim.dwState = 0;
nim.dwStateMask = 0;
nim.hWnd = m_hWnd;
nim.uVersion = NOTIFYICON_VERSION;
if (szTip)
StringCchCopy(nim.szTip, _countof(nim.szTip), szTip);
else
nim.szTip[0] = 0;
BOOL ret = Shell_NotifyIcon(code, &nim);
return ret ? S_OK : E_FAIL;
}
DWORD WINAPI CSysTray::s_SysTrayThreadProc(PVOID param)
{
CSysTray * st = (CSysTray*) param;
return st->SysTrayThreadProc();
}
HRESULT CSysTray::SysTrayMessageLoop()
{
BOOL ret;
MSG msg;
while ((ret = GetMessage(&msg, NULL, 0, 0)) != 0)
{
if (ret < 0)
break;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return S_OK;
}
HRESULT CSysTray::SysTrayThreadProc()
{
WCHAR strFileName[MAX_PATH];
GetModuleFileNameW(g_hInstance, strFileName, MAX_PATH);
HMODULE hLib = LoadLibraryW(strFileName);
CoInitializeEx(NULL, COINIT_DISABLE_OLE1DDE | COINIT_APARTMENTTHREADED);
Create(NULL);
HRESULT ret = SysTrayMessageLoop();
CoUninitialize();
FreeLibraryAndExitThread(hLib, ret);
}
HRESULT CSysTray::CreateSysTrayThread()
{
TRACE("CSysTray Init TODO: Initialize tray icon handlers.\n");
HANDLE hThread = CreateThread(NULL, 0, s_SysTrayThreadProc, this, 0, NULL);
CloseHandle(hThread);
return S_OK;
}
HRESULT CSysTray::DestroySysTrayWindow()
{
DestroyWindow();
hwndSysTray = NULL;
return S_OK;
}
// *** IOleCommandTarget methods ***
HRESULT STDMETHODCALLTYPE CSysTray::QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds [], OLECMDTEXT *pCmdText)
{
UNIMPLEMENTED;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CSysTray::Exec(const GUID *pguidCmdGroup, DWORD nCmdID, DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
{
if (!IsEqualGUID(*pguidCmdGroup, CGID_ShellServiceObject))
return E_FAIL;
switch (nCmdID)
{
case OLECMDID_NEW: // init
return CreateSysTrayThread();
case OLECMDID_SAVE: // shutdown
return DestroySysTrayWindow();
}
return S_OK;
}
BOOL CSysTray::ProcessWindowMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT &lResult, DWORD dwMsgMapID)
{
HRESULT hr;
if (hWnd != m_hWnd)
return FALSE;
switch (uMsg)
{
case WM_NCCREATE:
case WM_NCDESTROY:
return FALSE;
case WM_CREATE:
InitIcons();
SetTimer(1, 2000, NULL);
return TRUE;
case WM_TIMER:
UpdateIcons();
return TRUE;
case WM_DESTROY:
KillTimer(1);
ShutdownIcons();
return TRUE;
}
TRACE("SysTray message received %u (%08p %08p)\n", uMsg, wParam, lParam);
hr = ProcessIconMessage(uMsg, wParam, lParam, lResult);
if (FAILED(hr))
return FALSE;
return (hr == S_OK);
}