dlls/mshtml/view.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "wingdi.h"
  30 #include "ole2.h"
  31 #include "docobj.h"
  32
  33 #include "mshtml.h"
  34
  35 #include "wine/debug.h"
  36
  37 #include "mshtml_private.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  40
  41 static const WCHAR wszInternetExplorer_Server[] =
  42     {'I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r','_','S','e','r','v','e','r',0};
  43 static const WCHAR wszHTML_Document[] =
  44     {'H','T','M','L',' ','D','o','c','u','m','e','n','t',0};
  45
  46 static ATOM serverwnd_class = 0;
  47
  48 static void paint_disabled(HWND hwnd) {
  49     HDC hdc;
  50     PAINTSTRUCT ps;
  51     HBRUSH brush;
  52     RECT rect;
  53     HFONT font;
  54
  55     font = CreateFontA(25,0,0,0,400,0,0,0,ANSI_CHARSET,0,0,DEFAULT_QUALITY,DEFAULT_PITCH,NULL);
  56     brush = CreateSolidBrush(RGB(255,255,255));
  57     GetClientRect(hwnd, &rect);
  58
  59     hdc = BeginPaint(hwnd, &ps);
  60     SelectObject(hdc, font);
  61     SelectObject(hdc, brush);
  62     Rectangle(hdc, rect.left, rect.top, rect.right, rect.bottom);
  63     DrawTextA(hdc, "HTML rendering is currently disabled.",-1, &rect,
  64             DT_CENTER | DT_SINGLELINE | DT_VCENTER);
  65     EndPaint(hwnd, &ps);
  66
  67     DeleteObject(font);
  68     DeleteObject(brush);
  69 }
  70
  71 static LRESULT WINAPI serverwnd_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  72 {
  73     if(msg == WM_PAINT)
  74         paint_disabled(hwnd);
  75
  76     return DefWindowProcW(hwnd, msg, wParam, lParam);
  77 }
  78
  79 static void register_serverwnd_class()
  80 {
  81     static WNDCLASSEXW wndclass = {
  82         sizeof(WNDCLASSEXW),
  83         CS_DBLCLKS,
  84         serverwnd_proc,
  85         0, 0, NULL, NULL, NULL, NULL, NULL,
  86         wszInternetExplorer_Server,
  87         NULL,
  88     };
  89     wndclass.hInstance = hInst;
  90     serverwnd_class = RegisterClassExW(&wndclass);
  91 }
  92
  93
  94 /**********************************************************
  95  * IOleDocumentView implementation
  96  */
  97
  98 #define DOCVIEW_THIS \
  99         HTMLDocument* const This=(HTMLDocument*)((char*)(iface)-offsetof(HTMLDocument,lpOleDocumentViewVtbl));
 100
 101 static HRESULT WINAPI OleDocumentView_QueryInterface(IOleDocumentView *iface, REFIID riid, void **ppvObject)
 102 {
 103     DOCVIEW_THIS
 104     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppvObject);
 105 }
 106
 107 static ULONG WINAPI OleDocumentView_AddRef(IOleDocumentView *iface)
 108 {
 109     DOCVIEW_THIS
 110     return IHTMLDocument2_AddRef(HTMLDOC(This));
 111 }
 112
 113 static ULONG WINAPI OleDocumentView_Release(IOleDocumentView *iface)
 114 {
 115     DOCVIEW_THIS
 116     return IHTMLDocument2_Release(HTMLDOC(This));
 117 }
 118
 119 static HRESULT WINAPI OleDocumentView_SetInPlaceSite(IOleDocumentView *iface, IOleInPlaceSite *pIPSite)
 120 {
 121     DOCVIEW_THIS
 122     TRACE("(%p)->(%p)\n", This, pIPSite);
 123
 124     if(!pIPSite)
 125         return E_INVALIDARG;
 126
 127     if(pIPSite)
 128         IOleInPlaceSite_AddRef(pIPSite);
 129
 130     if(This->ipsite)
 131         IOleInPlaceSite_Release(This->ipsite);
 132
 133     This->ipsite = pIPSite;
 134     return S_OK;
 135 }
 136
 137 static HRESULT WINAPI OleDocumentView_GetInPlaceSite(IOleDocumentView *iface, IOleInPlaceSite **ppIPSite)
 138 {
 139     DOCVIEW_THIS
 140     TRACE("(%p)->(%p)\n", This, ppIPSite);
 141
 142     if(!ppIPSite)
 143         return E_INVALIDARG;
 144
 145     if(This->ipsite)
 146         IOleInPlaceSite_AddRef(This->ipsite);
 147
 148     *ppIPSite = This->ipsite;
 149     return S_OK;
 150 }
 151
 152 static HRESULT WINAPI OleDocumentView_GetDocument(IOleDocumentView *iface, IUnknown **ppunk)
 153 {
 154     DOCVIEW_THIS
 155     TRACE("(%p)->(%p)\n", This, ppunk);
 156
 157     if(!ppunk)
 158         return E_INVALIDARG;
 159
 160     IHTMLDocument2_AddRef(HTMLDOC(This));
 161     *ppunk = (IUnknown*)HTMLDOC(This);
 162     return S_OK;
 163 }
 164
 165 static HRESULT WINAPI OleDocumentView_SetRect(IOleDocumentView *iface, LPRECT prcView)
 166 {
 167     DOCVIEW_THIS
 168     RECT rect;
 169
 170     TRACE("(%p)->(%p)\n", This, prcView);
 171
 172     if(!prcView)
 173         return E_INVALIDARG;
 174
 175     if(This->hwnd) {
 176         GetClientRect(This->hwnd, &rect);
 177         if(memcmp(prcView, &rect, sizeof(RECT))) {
 178             InvalidateRect(This->hwnd,NULL,TRUE);
 179             SetWindowPos(This->hwnd, NULL, prcView->left, prcView->top, prcView->right,
 180                     prcView->bottom, SWP_NOZORDER | SWP_NOACTIVATE);
 181         }
 182     }
 183
 184     return S_OK;
 185 }
 186
 187 static HRESULT WINAPI OleDocumentView_GetRect(IOleDocumentView *iface, LPRECT prcView)
 188 {
 189     DOCVIEW_THIS
 190
 191     TRACE("(%p)->(%p)\n", This, prcView);
 192
 193     if(!prcView)
 194         return E_INVALIDARG;
 195
 196     GetClientRect(This->hwnd, prcView);
 197     return S_OK;
 198 }
 199
 200 static HRESULT WINAPI OleDocumentView_SetRectComplex(IOleDocumentView *iface, LPRECT prcView,
 201                         LPRECT prcHScroll, LPRECT prcVScroll, LPRECT prcSizeBox)
 202 {
 203     DOCVIEW_THIS
 204     FIXME("(%p)->(%p %p %p %p)\n", This, prcView, prcHScroll, prcVScroll, prcSizeBox);
 205     return E_NOTIMPL;
 206 }
 207
 208 static HRESULT WINAPI OleDocumentView_Show(IOleDocumentView *iface, BOOL fShow)
 209 {
 210     DOCVIEW_THIS
 211     TRACE("(%p)->(%x)\n", This, fShow);
 212
 213     if(This->hwnd)
 214         ShowWindow(This->hwnd, fShow);
 215
 216     return S_OK;
 217 }
 218
 219 static HRESULT WINAPI OleDocumentView_UIActivate(IOleDocumentView *iface, BOOL fUIActivate)
 220 {
 221     DOCVIEW_THIS
 222     HRESULT hres;
 223     IOleInPlaceUIWindow *pIPWnd;
 224     IOleInPlaceFrame *pIPFrame;
 225     RECT posrect, cliprect;
 226     OLEINPLACEFRAMEINFO frameinfo;
 227     HWND parent_hwnd, hwnd;
 228
 229     TRACE("(%p)->(%x)\n", This, fUIActivate);
 230
 231     if(!This->ipsite) {
 232         FIXME("This->ipsite = NULL\n");
 233         return E_FAIL;
 234     }
 235
 236     if(fUIActivate) {
 237         if(This->hwnd)
 238             return S_OK;
 239         if(!serverwnd_class)
 240             register_serverwnd_class();
 241
 242         hres = IOleInPlaceSite_CanInPlaceActivate(This->ipsite);
 243         if(hres != S_OK) {
 244             WARN("CanInPlaceActivate returned: %08lx\n", hres);
 245             return FAILED(hres) ? hres : E_FAIL;
 246         }
 247
 248         hres = IOleInPlaceSite_GetWindowContext(This->ipsite, &pIPFrame, &pIPWnd, &posrect, &cliprect, &frameinfo);
 249         if(FAILED(hres)) {
 250             WARN("GetWindowContext failed: %08lx\n", hres);
 251             return hres;
 252         }
 253         if(pIPWnd)
 254             IOleInPlaceUIWindow_Release(pIPWnd);
 255         TRACE("got window context: %p %p {%ld %ld %ld %ld} {%ld %ld %ld %ld} {%d %x %p %p %d}\n",
 256                 pIPFrame, pIPWnd, posrect.left, posrect.top, posrect.right, posrect.bottom,
 257                 cliprect.left, cliprect.top, cliprect.right, cliprect.bottom,
 258                 frameinfo.cb, frameinfo.fMDIApp, frameinfo.hwndFrame, frameinfo.haccel, frameinfo.cAccelEntries);
 259
 260         hres = IOleInPlaceSite_GetWindow(This->ipsite, &parent_hwnd);
 261         if(FAILED(hres)) {
 262             WARN("GetWindow failed: %08lx\n", hres);
 263             return hres;
 264         }
 265
 266         hwnd = CreateWindowExW(0, wszInternetExplorer_Server, NULL,
 267                 WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
 268                 posrect.left, posrect.top, posrect.right-posrect.left, posrect.bottom-posrect.top,
 269                 parent_hwnd, NULL, hInst, This);
 270
 271         hres = IOleInPlaceSite_OnInPlaceActivate(This->ipsite);
 272         if(FAILED(hres)) {
 273             WARN("OnInPlaceActivate failed: %08lx\n", hres);
 274             return hres;
 275         }
 276
 277         SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
 278                 SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOACTIVATE | SWP_SHOWWINDOW);
 279         RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE | RDW_NOERASE | RDW_ALLCHILDREN);
 280         SetFocus(hwnd);
 281
 282         /* NOTE:
 283          * Windows implementation calls:
 284          * RegisterWindowMessage("MSWHEEL_ROLLMSG");
 285          * SetTimer(This->hwnd, TIMER_ID, 100, NULL);
 286          */
 287
 288         hres = IOleInPlaceSite_OnUIActivate(This->ipsite);
 289         if(SUCCEEDED(hres)) {
 290             IOleInPlaceFrame_SetActiveObject(pIPFrame, ACTOBJ(This), wszHTML_Document);
 291         }else {
 292             FIXME("OnUIActivate failed: %08lx\n", hres);
 293             DestroyWindow(hwnd);
 294             return hres;
 295         }
 296         if(This->frame)
 297             IOleInPlaceFrame_Release(This->frame);
 298         This->frame = pIPFrame;
 299         This->hwnd = hwnd;
 300     }else {
 301         static const WCHAR wszEmpty[] = {0};
 302
 303         if(This->frame)
 304             IOleInPlaceFrame_SetActiveObject(This->frame, NULL, wszEmpty);
 305         if(This->ipsite)
 306             IOleInPlaceSite_OnUIDeactivate(This->ipsite, FALSE);
 307     }
 308     return S_OK;
 309 }
 310
 311 static HRESULT WINAPI OleDocumentView_Open(IOleDocumentView *iface)
 312 {
 313     DOCVIEW_THIS
 314     FIXME("(%p)\n", This);
 315     return E_NOTIMPL;
 316 }
 317
 318 static HRESULT WINAPI OleDocumentView_CloseView(IOleDocumentView *iface, DWORD dwReserved)
 319 {
 320     DOCVIEW_THIS
 321     TRACE("(%p)->(%lx)\n", This, dwReserved);
 322
 323     if(dwReserved)
 324         WARN("dwReserved = %ld\n", dwReserved);
 325
 326     /* NOTE:
 327      * Windows implementation calls QueryInterface(IID_IOleCommandTarget),
 328      * QueryInterface(IID_IOleControlSite) and KillTimer
 329      */
 330
 331     IOleDocumentView_Show(iface, FALSE);
 332
 333     return S_OK;
 334 }
 335
 336 static HRESULT WINAPI OleDocumentView_SaveViewState(IOleDocumentView *iface, LPSTREAM pstm)
 337 {
 338     DOCVIEW_THIS
 339     FIXME("(%p)->(%p)\n", This, pstm);
 340     return E_NOTIMPL;
 341 }
 342
 343 static HRESULT WINAPI OleDocumentView_ApplyViewState(IOleDocumentView *iface, LPSTREAM pstm)
 344 {
 345     DOCVIEW_THIS
 346     FIXME("(%p)->(%p)\n", This, pstm);
 347     return E_NOTIMPL;
 348 }
 349
 350 static HRESULT WINAPI OleDocumentView_Clone(IOleDocumentView *iface, IOleInPlaceSite *pIPSiteNew,
 351                                         IOleDocumentView **ppViewNew)
 352 {
 353     DOCVIEW_THIS
 354     FIXME("(%p)->(%p %p)\n", This, pIPSiteNew, ppViewNew);
 355     return E_NOTIMPL;
 356 }
 357
 358 static IOleDocumentViewVtbl OleDocumentViewVtbl = {
 359     OleDocumentView_QueryInterface,
 360     OleDocumentView_AddRef,
 361     OleDocumentView_Release,
 362     OleDocumentView_SetInPlaceSite,
 363     OleDocumentView_GetInPlaceSite,
 364     OleDocumentView_GetDocument,
 365     OleDocumentView_SetRect,
 366     OleDocumentView_GetRect,
 367     OleDocumentView_SetRectComplex,
 368     OleDocumentView_Show,
 369     OleDocumentView_UIActivate,
 370     OleDocumentView_Open,
 371     OleDocumentView_CloseView,
 372     OleDocumentView_SaveViewState,
 373     OleDocumentView_ApplyViewState,
 374     OleDocumentView_Clone
 375 };
 376
 377 void HTMLDocument_View_Init(HTMLDocument *This)
 378 {
 379     This->lpOleDocumentViewVtbl = &OleDocumentViewVtbl;
 380
 381     This->ipsite = NULL;
 382     This->frame = NULL;
 383     This->hwnd = NULL;
 384 }