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https://github.com/WinampDesktop/winamp.git
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431 lines
11 KiB
C++
431 lines
11 KiB
C++
/** (c) Nullsoft, Inc. C O N F I D E N T I A L
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** Filename:
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** Project:
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** Description:
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** Author:
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** Created:
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**/
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#include "main.h"
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#include "../nu/AutoWide.h"
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#include "../nu/AutoWideFn.h"
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extern "C"
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{
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extern int g_has_deleted_current;
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};
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#include "shlobj.h"
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#include "../Plugins/General/gen_ff/ff_ipc.h"
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bool refuseDrops = false;
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class DropTarget: public IDropTarget
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{
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public:
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DropTarget(int enqueue, int isshell)
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{ m_enqueue = enqueue; m_isshell = isshell; }
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STDMETHODIMP QueryInterface (REFIID riid, LPVOID * ppvObj)
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{
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if (riid == IID_IDropTarget || riid == IID_IUnknown)
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{
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*ppvObj = this;
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return S_OK;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) AddRef ()
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{ return 0; }
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STDMETHODIMP_(ULONG) Release ()
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{ return 0; }
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STDMETHODIMP DragEnter(IDataObject * pDataObject, DWORD grfKeyState, POINTL pt, DWORD * pdwEffect)
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{
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if (pdwEffect)
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{
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if (refuseDrops && !m_isshell)
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*pdwEffect = DROPEFFECT_NONE;
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else
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*pdwEffect = DROPEFFECT_COPY;
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}
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return S_OK;
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}
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STDMETHODIMP DragOver(DWORD grfKeyState, POINTL pt, DWORD * pdwEffect)
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{
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if (pdwEffect)
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{
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if (refuseDrops && !m_isshell)
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*pdwEffect = DROPEFFECT_NONE;
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}
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return S_OK;
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}
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STDMETHODIMP DragLeave()
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{
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return 0;
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}
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STDMETHODIMP Drop(IDataObject * pDataObj, DWORD grfKeyState, POINTL pt, DWORD * pdwEffect)
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{
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POINT p = {pt.x, pt.y};
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HWND wnd;
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int pl_forceappend = 0;
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int is_main = 0;
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int is_pe = 0;
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int pe_insert = 0;
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if (m_isshell)
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{
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is_main = 1;
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wnd = hMainWindow;
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if (m_enqueue == 2)
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{
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pe_insert = !SendMessageW(hMainWindow, WM_WA_IPC, PlayList_getlength(), IPC_SHELL_ACTION_START);
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}
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}
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else
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{
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wnd = WindowFromPoint(p);
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HWND child=0;
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do
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{
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RECT r;
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GetWindowRect(wnd, &r);
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POINT offset = p;
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offset.x -= r.left;
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offset.y -= r.top;
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child = ChildWindowFromPoint(wnd, offset);
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if (child == wnd)
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child = 0;
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else if (child)
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wnd = child;
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} while (child);
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HWND par = wnd;
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HWND pledit_poopie = NULL;
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while (par && !(GetWindowLongW(par, GWL_EXSTYLE) & WS_EX_ACCEPTFILES))
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{
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par = GetParent(par);
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}
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if (par) wnd = par;
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if (wnd == hMainWindow || IsChild(hMainWindow, wnd)
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|| (HWND)SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)wnd, IPC_FF_GETCONTENTWND) == hMainWindow)
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{
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is_main = 1;
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}
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else if (wnd == hPLWindow || IsChild(hPLWindow, wnd) || GetParent(hPLWindow) && IsChild(wnd, hPLWindow) ||
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(pledit_poopie = (HWND)SendMessageW(hMainWindow, WM_WA_IPC, (WPARAM)wnd, IPC_FF_GETCONTENTWND)) == hPLWindow)
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{
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is_pe = 1;
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if (pledit_poopie) pl_forceappend = 1; // if we got here because we're hosting the pledit, but not actually
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// parenting it (meaning we are windowshaded playlist)
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}
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else
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{
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EnterCriticalSection(&embedcs);
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{
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embedWindowState *p = embedwndlist;
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while (p)
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{
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if (IsChild(p->me, wnd) || (GetParent(p->me) && IsChild(wnd, p->me))) break;
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p = p->link;
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}
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if (p)
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{
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if (wnd == p->me || IsChild(wnd, p->me) || !(GetWindowLongW(wnd, GWL_EXSTYLE) & WS_EX_ACCEPTFILES)) // if this window accepts files, dont fuck it up
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{
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HWND wnd2 = FindWindowExW(p->me, NULL, NULL, NULL);
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if (!(GetWindowLongW(wnd2, GWL_EXSTYLE)&WS_EX_ACCEPTFILES)) is_main = 1;
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else
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{
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HWND h = GetParent(p->me);
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char buf[128] = {0};
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// see if we are (AVS) docked to the main (modern) window
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if (h && (h = GetParent(h)) && GetWindowTextA(h, buf, sizeof(buf)) && !_stricmp(buf, "Player Window"))
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is_main = 1;
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else wnd = wnd2;
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}
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}
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}
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else is_main = 1;
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}
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LeaveCriticalSection(&embedcs);
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}
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if (is_main) wnd = hMainWindow;
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if (is_pe) wnd = hPLWindow;
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}
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HRESULT hr = S_OK;
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if (pDataObj)
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{
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// Important: these strings need to be non-Unicode (don't compile UNICODE)
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unsigned short cp_format_url = (unsigned short)RegisterClipboardFormat(CFSTR_SHELLURL);
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//Set up format structure for the descriptor and contents
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FORMATETC format_url =
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{cp_format_url, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
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FORMATETC format_file =
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{CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
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// Check for URL
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hr = pDataObj->QueryGetData(&format_url);
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if (hr == S_OK)
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{
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// Get the descriptor information
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STGMEDIUM storage = {0, 0, 0};
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hr = pDataObj->GetData(&format_url, &storage);
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char* url = (char *)GlobalLock(storage.hGlobal);
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if (url)
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{
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if (is_pe || is_main || m_isshell)
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{
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int t, lp, a;
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int del = is_main && !(GetAsyncKeyState(VK_SHIFT) & (1 << 15));
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if (del) PlayList_delete();
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else if (!is_main && !m_isshell) // playlist
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{
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RECT r;
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POINT dp;
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GetWindowRect(wnd, &r);
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dp.x = pt.x - r.left;
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dp.y = pt.y - r.top;
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if (config_pe_height == 14 || pl_forceappend) t = PlayList_getlength();
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else
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{
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t = (dp.y - 20) / pe_fontheight;
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if (t < 0) t = 0;
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else if (t > (config_pe_height - 38 - 20 - 2) / pe_fontheight) t = PlayList_getlength();
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else t += pledit_disp_offs;
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}
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a = PlayList_getlength();
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PlayList_saveend(t);
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lp = PlayList_getPosition();
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}
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if(!PathIsURLA(url))
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{
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// if it's not reported as an url, try to treat it like
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// a filepath which has been url-encoded and insert it
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// though if it fails to be converted then revert to it
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// just being added to the playlist without processing.
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char url2[FILENAME_SIZE] = {"file:///"};
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strncat(url2, url, FILENAME_SIZE);
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DWORD len = lstrlenA(url2);
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if(SUCCEEDED(PathCreateFromUrlA(url2, url2, &len, 0)))
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{
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PlayList_appendthing(AutoWideFn(url2), 0, 0);
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}
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else
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{
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PlayList_appendthing(AutoWideFn(url), 0, 0);
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}
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}
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else
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{
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PlayList_appendthing(AutoWideFn(url), 0, 0);
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}
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if (del) StartPlaying();
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else if (!is_main && !m_isshell) // playlist
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{
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PlayList_restoreend();
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if (t <= PlayList_getPosition())
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{
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PlayList_setposition(lp + PlayList_getlength() - a);
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if (!g_has_deleted_current)
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{
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PlayList_getcurrent(FileName, FileTitle, FileTitleNum);
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draw_songname(FileTitle, &ui_songposition, playing ? in_getlength() : PlayList_getcurrentlength());
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}
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}
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plEditRefresh();
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}
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}
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else // fucko: pass url to 'wnd' somehow?
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{}
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}
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GlobalUnlock(url);
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GlobalFree(url);
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}
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else
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{
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// check for file
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hr = pDataObj->QueryGetData(&format_file);
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if (hr == S_OK)
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{
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STGMEDIUM medium;
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pDataObj->GetData (&format_file, &medium);
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wchar_t temp[FILENAME_SIZE] = {0};
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if (m_enqueue)
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{
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HDROP hdrop = (HDROP)medium.hGlobal;
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int y = DragQueryFileW(hdrop, 0xffffffff, temp, FILENAME_SIZE);
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int current = PlayList_getPosition();
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for (int x = 0; x < y; x ++)
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{
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DragQueryFileW(hdrop, x, temp, FILENAME_SIZE);
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if (!pe_insert)
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PlayList_appendthing(temp, 0, 0);
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else
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{
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PlayList_insert(++current, temp);
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}
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}
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DragFinish(hdrop);
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plEditRefresh();
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}
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else
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{
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int skinLoad = -2;
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int langLoad = -2;
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RECT r;
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GetWindowRect(wnd, &r);
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LPDROPFILES d = (LPDROPFILES)GlobalLock(medium.hGlobal);
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d->pt.x = pt.x - r.left;
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if (pl_forceappend)
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d->pt.y = r.bottom - r.top;
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else d->pt.y = pt.y - r.top;
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d->fNC = FALSE;
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GlobalUnlock(d);
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// check for the file being a skin or language pack
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// being dropped so we can intercept and not add it
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// into the pledit but can instead prompt for install
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DragQueryFileW((HDROP)medium.hGlobal, 0, temp, FILENAME_SIZE);
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CheckSkin(temp, hMainWindow, &skinLoad);
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CheckLang(temp, hMainWindow, &langLoad);
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if(!skinLoad && !langLoad)
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{
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PostMessageW(wnd, WM_DROPFILES, (WPARAM)medium.hGlobal, 0);
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}
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}
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}
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}
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}
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if (m_isshell && (m_enqueue == 2))
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{
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SendMessageW(hMainWindow, WM_WA_IPC, PlayList_getlength(), IPC_SHELL_ACTION_END);
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}
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return S_OK;
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}
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public:
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int m_enqueue;
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int m_isshell;
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};
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static DropTarget m_target(0, 0);
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class ClassFactory : public IClassFactory
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{
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public:
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ClassFactory(int enqueue) { m_drop = new DropTarget(enqueue, 1); }
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~ClassFactory() { delete(m_drop); }
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STDMETHODIMP QueryInterface (REFIID riid, LPVOID * ppvObj)
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{
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if (riid == IID_IClassFactory || riid == IID_IUnknown)
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{
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*ppvObj = this;
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return S_OK;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) AddRef ()
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{ return 0; }
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STDMETHODIMP_(ULONG) Release ()
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{ return 0; }
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STDMETHODIMP CreateInstance(IUnknown * pUnkOuter, REFIID riid, void ** ppvObject)
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{
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if (pUnkOuter != NULL)
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{
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return CLASS_E_NOAGGREGATION;
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}
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if (riid == IID_IDropTarget || riid == IID_IUnknown)
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{
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*ppvObject = m_drop;
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP LockServer(BOOL fLock)
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{
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return S_OK;
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}
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private:
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DropTarget *m_drop;
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};
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static ClassFactory m_playCF(0);
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static ClassFactory m_enqueueCF(1);
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static ClassFactory m_enqueuePlayCF(2);
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static DWORD m_exposePlayHandle = NULL, m_exposeEnqueueHandle = NULL, m_exposeEnqueuePlayHandle = NULL;
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extern "C"
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{
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void InitDragDrops()
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{
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SetWindowLong(hMainWindow, GWL_EXSTYLE, GetWindowLongW(hMainWindow, GWL_EXSTYLE)|(WS_EX_ACCEPTFILES));
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refuseDrops = false;
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}
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void Ole_initDragDrop()
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{
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OleInitialize(NULL);
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RegisterDragDrop(hMainWindow, &m_target);
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RegisterDragDrop(hPLWindow, &m_target);
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if (hVideoWindow) RegisterDragDrop(hVideoWindow, &m_target);
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// {46986115-84D6-459c-8F95-52DD653E532E}
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static const GUID playGuid =
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{ 0x46986115, 0x84D6, 0x459c, { 0x8f, 0x95, 0x52, 0xdd, 0x65, 0x3e, 0x53, 0x2e } };
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if (CoRegisterClassObject(playGuid, &m_playCF, CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &m_exposePlayHandle) != S_OK)
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m_exposePlayHandle = NULL;
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// {77A366BA-2BE4-4a1e-9263-7734AA3E99A2}
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static const GUID enqueueGuid =
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{ 0x77A366BA, 0x2BE4, 0x4a1e, { 0x92, 0x63, 0x77, 0x34, 0xAA, 0x3e, 0x99, 0xa2 } };
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if (CoRegisterClassObject(enqueueGuid, &m_enqueueCF, CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &m_exposeEnqueueHandle) != S_OK)
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m_exposeEnqueueHandle = NULL;
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// {ED50B649-42B0-4153-9E99-54C45F6BD708}
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static const GUID enqueuePlayGuid =
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{ 0xed50b649, 0x42b0, 0x4153, { 0x9e, 0x99, 0x54, 0xc4, 0x5f, 0x6b, 0xd7, 0x8 } };
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if (CoRegisterClassObject(enqueuePlayGuid, &m_enqueuePlayCF, CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, &m_exposeEnqueuePlayHandle) != S_OK)
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m_exposeEnqueuePlayHandle = NULL;
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}
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void UninitDragDrops()
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{
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SetWindowLong(hMainWindow, GWL_EXSTYLE, GetWindowLongW(hMainWindow, GWL_EXSTYLE)&~(WS_EX_ACCEPTFILES));
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refuseDrops = true;
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}
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void Ole_uninitDragDrop()
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{
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if (hVideoWindow) RevokeDragDrop(hVideoWindow);
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RevokeDragDrop(hPLWindow);
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RevokeDragDrop(hMainWindow);
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if (m_exposePlayHandle)
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CoRevokeClassObject(m_exposePlayHandle);
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if (m_exposeEnqueueHandle)
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CoRevokeClassObject(m_exposeEnqueueHandle);
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if (m_exposeEnqueuePlayHandle)
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CoRevokeClassObject(m_exposeEnqueuePlayHandle);
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OleUninitialize();
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}
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void *Ole_getDropTarget()
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{
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return (void *)&m_target;
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}
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}; |