winamp/Src/Winamp/Browser.cpp

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2024-09-24 12:54:57 +00:00
#include "Main.h"
#include "Browser.h"
#include "menuv5.h"
#include "ExternalCOM.h"
#include "wa_dlg.h"
#include "resource.h"
#include "../nu/ns_wc.h"
Browser *browser = 0;
static WNDPROC oldBrowserProc = 0;
static DWORD browserThreadId=0;
static HANDLE killBrowserEvent=0;
static HANDLE browserThreadHandle=0;
static BOOL fUnicode = FALSE;
static LRESULT WINAPI BrowserSubclassProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_PAINT:
{
HDC out = GetDC(hwnd);
RECT r;
GetClientRect(hwnd, &r);
r.left = 11;
r.top = 20;
r.right -= 8;
r.bottom -= 14;
HBRUSH b = CreateSolidBrush(WADlg_getColor(WADLG_WNDBG));
FillRect(out, &r, b);
DeleteObject(b);
ValidateRect(hwnd, &r);
}
break;
case WM_USER + 0x100:
if (wParam == 1 && lParam)
{
config_si_wx = ((POINT *)lParam)->x;
config_si_wy = ((POINT *)lParam)->y;
}
break;
case WM_USER + 0x101:
if (wParam == 1 && lParam)
{
config_si_width = ((POINT *)lParam)->x;
config_si_height = ((POINT *)lParam)->y;
}
break;
case WM_USER + 0x102:
{
if (wParam == 1)
{
if (!config_minimized)
ShowWindow(browser->m_hwnd, SW_SHOW);
config_si_open = 1;
const char *url = PlayList_getbrowser(PlayList_getPosition());
if (url && *url)
browser->NavigateToName(url);
}
else
{
ShowWindow(browser->m_hwnd, SW_HIDE);
config_si_open = 0;
}
browser->SetMenuCheckMark();
}
break;
case WM_USER + 101:
{
ShowWindow(hwnd, SW_HIDE);
ShowWindow(browser->m_hwnd, SW_HIDE);
config_si_open = 0;
browser->SetMenuCheckMark();
return 0;
}
break;
case WM_DESTROY:
browser->m_hwnd = 0;
SetEvent(killBrowserEvent);
return 0;
}
if (oldBrowserProc) return (fUnicode) ? CallWindowProcW(oldBrowserProc, hwnd, msg, wParam, lParam) : CallWindowProcA(oldBrowserProc, hwnd, msg, wParam, lParam);
else return (fUnicode) ? DefWindowProcW(hwnd, msg, wParam, lParam) : DefWindowProcA(hwnd, msg, wParam, lParam);
}
// {25CE50EF-3EE2-4356-A638-6E495C44BFB8}
static const GUID StationInfoGUID =
{ 0x25ce50ef, 0x3ee2, 0x4356, { 0xa6, 0x38, 0x6e, 0x49, 0x5c, 0x44, 0xbf, 0xb8 } };
Browser::Browser()
: minimised(false), threadId(0), state(0)
{
}
Browser::~Browser()
{
}
HWND Browser::CreateHWND()
{
if (!m_hwnd)
{
threadId = GetCurrentThreadId();
state.flags = EMBED_FLAGS_NOWINDOWMENU;
state.me = 0;
state.r.left = config_si_wx;
state.r.right = config_si_wx + config_si_width;
state.r.top = config_si_wy;
state.r.bottom = config_si_wy + config_si_height;
state.flags |= EMBED_FLAGS_GUID;
void *blah = state.extra_data+4;
memcpy(blah, &StationInfoGUID, sizeof(GUID));
HWND owner = (HWND)SendMessage(hMainWindow, WM_WA_IPC, (WPARAM)&state, IPC_GET_EMBEDIF);
m_hwnd = owner;
setLocation(11, 20, config_si_width - 19, config_si_height - 34);
fUnicode = IsWindowUnicode(owner);
oldBrowserProc = (WNDPROC) ((fUnicode) ? SetWindowLongPtrW(owner, GWLP_WNDPROC, (LONG_PTR)BrowserSubclassProc) :
SetWindowLongPtrA(owner, GWLP_WNDPROC, (LONG_PTR)BrowserSubclassProc));
wchar_t langBuf[1024];
SetWindowTextW(owner, getStringW(IDS_STATIONINFOCAPTION, langBuf, 1024));
}
EnableMenuItem(main_menu, WINAMP_BROWSER_ID, MF_BYCOMMAND | MF_ENABLED);
if (config_si_autoshow || (config_si_open/* && !visible*/))
{
if(g_showcode!=SW_SHOWMINIMIZED && !config_minimized)
ShowWindow(m_hwnd, SW_SHOW);
else
browser->minimised = 1;
config_si_open = 1;
browser->SetMenuCheckMark();
}
return m_hwnd;
}
// ---------------------------------------------------------------
void Browser::NavigateToName(LPCTSTR pszUrl)
{
if (!config_si_open)
return ;
if (!m_pweb) return ;
DWORD dwChars = lstrlen (pszUrl) + 1;
LPWSTR pwszUrl = (LPWSTR)LocalAlloc (LPTR, dwChars * sizeof (WCHAR));
long moptions = navNoReadFromCache | navNoWriteToCache | navNoHistory;
VARIANT options;
memset( (void*)&options, 0, sizeof(VARIANT));
V_VT(&options) = VT_I4;
V_I4(&options) = moptions;
if (pwszUrl)
{
MultiByteToWideCharSZ(CP_ACP, 0, pszUrl, -1, pwszUrl, dwChars);
m_pweb->Navigate (pwszUrl, &options , 0, 0, 0);
LocalFree (pwszUrl);
}
}
#define VIDEO_GENFF_SIZEREQUEST (WM_USER+2048)
void Browser::Resized(unsigned long width, unsigned long height)
{
if (!config_si_autosize)
return ;
setLocation(11, 20, width, height);
config_si_width = width + 19;
config_si_height = height + 34;
if (GetParent(m_hwnd))
SendMessage(GetParent(m_hwnd), VIDEO_GENFF_SIZEREQUEST, width, height);
else
SetWindowPos(m_hwnd, 0, 0, 0, width + 19, height + 34, SWP_NOMOVE | SWP_ASYNCWINDOWPOS);
InvalidateRect(m_hwnd, NULL, TRUE);
}
HRESULT Browser::GetExternal(IDispatch __RPC_FAR *__RPC_FAR *ppDispatch)
{
*ppDispatch = (IDispatch *) & externalCOM;
return S_OK;
}
void Browser::ToggleVisible(int showing)
{
if ((!config_si_open && !showing) || (showing && minimised))
{
if(minimised) minimised = 0;
CreateHWND();
if (m_hwnd)
PostMessage(m_hwnd, WM_USER + 0x102, 1, 0);
}
else if(!showing)
{
if(minimised) minimised = 0;
if (m_hwnd)
PostMessage(m_hwnd, WM_USER + 0x102, 0, 0);
}
}
void Browser::OnNavigateComplete()
{
setVisible(TRUE);
RECT r;
GetClientRect(m_hwnd, &r);
setLocation(11, 20, r.right - 19, r.bottom - 34);
}
void Browser::SetMenuCheckMark()
{
MENUITEMINFO i = {sizeof(i), MIIM_STATE , MFT_STRING, config_si_open ? MFS_CHECKED : MFS_UNCHECKED, WINAMP_BROWSER_ID};
SetMenuItemInfo(main_menu, WINAMP_BROWSER_ID, FALSE, &i);
}
/* ---- APCs ---- */
VOID CALLBACK ToggleVisibleAPC(ULONG_PTR param)
{
browser->ToggleVisible(param);
}
VOID CALLBACK SetVisibleAPC(ULONG_PTR param)
{
BOOL visible = (BOOL)param;
browser->setVisible(visible);
}
VOID CALLBACK NavigateAPC(ULONG_PTR param)
{
char *url = (char *)param;
browser->NavigateToName(url);
free(url);
}
VOID CALLBACK CreateHWNDAPC(ULONG_PTR param)
{
browser->CreateHWND();
}
HANDLE browserEvent=0;
/* ---- ---- */
static DWORD CALLBACK BrowserThread(LPVOID param)
{
if (!browser)
browser = new Browser;
killBrowserEvent = CreateEvent(0, TRUE, FALSE, 0);
SetEvent(browserEvent);
while (1)
{
DWORD dwStatus = MsgWaitForMultipleObjectsEx(1, &killBrowserEvent,
INFINITE, QS_ALLINPUT,
MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
if (dwStatus == WAIT_OBJECT_0)
{
browser->remove();
browser->close();
browser->Release();
CloseHandle(killBrowserEvent);
return 0;
}
else if (dwStatus == WAIT_OBJECT_0 + 1)
{
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
browser->remove();
browser->close();
browser->Release();
CloseHandle(killBrowserEvent);
return 0;
}
if (msg.message == WM_KEYDOWN || msg.message == WM_SYSKEYDOWN ||
msg.message == WM_KEYUP || msg.message == WM_SYSKEYUP)
{
if (!browser->translateKey(&msg))
{
PostMessage(hMainWindow, msg.message, msg.wParam, msg.lParam);
}
}
else
{
if (!browser->translateKey(&msg))
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
}
return 0;
}
static void CreateBrowser()
{
if (!browser)
{
browserEvent = CreateEvent(0, TRUE, FALSE, 0);
browserThreadHandle = CreateThread(0, 0, BrowserThread, 0, 0, &browserThreadId);
WaitForSingleObject(browserEvent, INFINITE);
}
}
static void CallAPC(PAPCFUNC func, ULONG_PTR param)
{
if (browserThreadHandle)
{
DWORD curThreadId = GetCurrentThreadId();
if (curThreadId == browserThreadId)
func(param);
else
{
QueueUserAPC(func, browserThreadHandle, param);
}
}
}
void Browser_toggleVisible(int showing)
{
CreateBrowser();
CallAPC(ToggleVisibleAPC, showing);
}
void CloseBrowser()
{
if (!browser || !browser->m_hwnd)
return ;
if (config_si_autohide)
PostMessage(browser->m_hwnd, WM_USER + 0x102, 0, 0);
else
CallAPC(SetVisibleAPC, FALSE);
}
void LaunchBrowser(const char *url)
{
OpenBrowser();
CallAPC(NavigateAPC, (ULONG_PTR)_strdup(url));
}
void OpenBrowser()
{
CreateBrowser();
CallAPC(CreateHWNDAPC, 0);
}
void Browser_init()
{
MENUITEMINFO i = {sizeof(i), MIIM_ID | MIIM_STATE | MIIM_TYPE, MFT_STRING, MFS_UNCHECKED, WINAMP_BROWSER_ID};
i.dwTypeData = getString(IDS_STATIONINFO_MENU,NULL,0);;
InsertMenuItem(main_menu, 10 + g_mm_optionsbase_adj, TRUE, &i);
g_mm_optionsbase_adj++;
}
void Browser_kill()
{
if (browserThreadHandle)
{
SetEvent(killBrowserEvent); // just in case, so we don't hang here
WaitForSingleObject(browserThreadHandle, INFINITE);
CloseHandle(browserThreadHandle);
browserThreadHandle=0;
}
}