dlls/mshtml/task.c

   1 /*
   2  * Copyright 2006 Jacek Caban for CodeWeavers
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "ole2.h"
  30 #include "mshtmcid.h"
  31
  32 #include "wine/debug.h"
  33
  34 #include "mshtml_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  37
  38 #define WM_PROCESSTASK 0x8008
  39
  40 void push_task(task_t *task)
  41 {
  42     thread_data_t *thread_data = get_thread_data(TRUE);
  43
  44     if(thread_data->task_queue_tail)
  45         thread_data->task_queue_tail->next = task;
  46     else
  47         thread_data->task_queue_head = task;
  48
  49     thread_data->task_queue_tail = task;
  50
  51     PostMessageW(thread_data->thread_hwnd, WM_PROCESSTASK, 0, 0);
  52 }
  53
  54 static task_t *pop_task(void)
  55 {
  56     thread_data_t *thread_data = get_thread_data(TRUE);
  57     task_t *task = thread_data->task_queue_head;
  58
  59     if(!task)
  60         return NULL;
  61
  62     thread_data->task_queue_head = task->next;
  63     if(!thread_data->task_queue_head)
  64         thread_data->task_queue_tail = NULL;
  65
  66     return task;
  67 }
  68
  69 void remove_doc_tasks(HTMLDocument *doc)
  70 {
  71     thread_data_t *thread_data = get_thread_data(FALSE);
  72     task_t *iter, *tmp;
  73
  74     if(!thread_data)
  75         return;
  76
  77     while(thread_data->task_queue_head
  78           && thread_data->task_queue_head->doc == doc)
  79         pop_task();
  80
  81     for(iter = thread_data->task_queue_head; iter; iter = iter->next) {
  82         while(iter->next && iter->next->doc == doc) {
  83             tmp = iter->next;
  84             iter->next = tmp->next;
  85             mshtml_free(tmp);
  86         }
  87
  88         if(!iter->next)
  89             thread_data->task_queue_tail = iter;
  90     }
  91 }
  92
  93 static void set_downloading(HTMLDocument *doc)
  94 {
  95     IOleCommandTarget *olecmd;
  96     HRESULT hres;
  97
  98     TRACE("(%p)\n", doc);
  99
 100     if(doc->frame)
 101         IOleInPlaceFrame_SetStatusText(doc->frame, NULL /* FIXME */);
 102
 103     if(!doc->client)
 104         return;
 105
 106     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 107     if(SUCCEEDED(hres)) {
 108         VARIANT var;
 109
 110         V_VT(&var) = VT_I4;
 111         V_I4(&var) = 1;
 112
 113         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
 114                                &var, NULL);
 115         IOleCommandTarget_Release(olecmd);
 116     }
 117
 118     if(doc->hostui) {
 119         IDropTarget *drop_target = NULL;
 120
 121         hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
 122         if(drop_target) {
 123             FIXME("Use IDropTarget\n");
 124             IDropTarget_Release(drop_target);
 125         }
 126     }
 127 }
 128
 129 static void set_parsecomplete(HTMLDocument *doc)
 130 {
 131     IOleCommandTarget *olecmd = NULL;
 132
 133     TRACE("(%p)\n", doc);
 134
 135     call_property_onchanged(doc->cp_propnotif, 1005);
 136
 137     doc->readystate = READYSTATE_INTERACTIVE;
 138     call_property_onchanged(doc->cp_propnotif, DISPID_READYSTATE);
 139
 140     if(doc->client)
 141         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 142
 143     if(olecmd) {
 144         VARIANT state, progress;
 145
 146         V_VT(&progress) = VT_I4;
 147         V_I4(&progress) = 0;
 148         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
 149                                &progress, NULL);
 150
 151         V_VT(&state) = VT_I4;
 152         V_I4(&state) = 0;
 153         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
 154                                &state, NULL);
 155
 156         IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
 157         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
 158     }
 159
 160     doc->readystate = READYSTATE_COMPLETE;
 161     call_property_onchanged(doc->cp_propnotif, DISPID_READYSTATE);
 162
 163     if(doc->frame) {
 164         static const WCHAR wszDone[] = {'D','o','n','e',0};
 165         IOleInPlaceFrame_SetStatusText(doc->frame, wszDone);
 166     }
 167
 168     if(olecmd) {
 169         VARIANT title;
 170         WCHAR empty[] = {0};
 171
 172         V_VT(&title) = VT_BSTR;
 173         V_BSTR(&title) = SysAllocString(empty);
 174         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETTITLE, OLECMDEXECOPT_DONTPROMPTUSER,
 175                                &title, NULL);
 176         SysFreeString(V_BSTR(&title));
 177
 178         IOleCommandTarget_Release(olecmd);
 179     }
 180 }
 181
 182 static void set_progress(HTMLDocument *doc)
 183 {
 184     IOleCommandTarget *olecmd = NULL;
 185     HRESULT hres;
 186
 187     TRACE("(%p)\n", doc);
 188
 189     if(doc->client)
 190         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 191
 192     if(olecmd) {
 193         VARIANT progress_max, progress;
 194
 195         V_VT(&progress_max) = VT_I4;
 196         V_I4(&progress_max) = 0; /* FIXME */
 197         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
 198                                &progress_max, NULL);
 199
 200         V_VT(&progress) = VT_I4;
 201         V_I4(&progress) = 0; /* FIXME */
 202         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
 203                                &progress, NULL);
 204     }
 205
 206     if(doc->usermode == EDITMODE && doc->hostui) {
 207         DOCHOSTUIINFO hostinfo;
 208
 209         memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
 210         hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
 211         hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
 212         if(SUCCEEDED(hres))
 213             /* FIXME: use hostinfo */
 214             TRACE("hostinfo = {%u %08x %08x %s %s}\n",
 215                     hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
 216                     debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
 217     }
 218 }
 219
 220 static void task_start_binding(BSCallback *bscallback)
 221 {
 222     start_binding(bscallback);
 223     IBindStatusCallback_Release(STATUSCLB(bscallback));
 224 }
 225
 226 static void process_task(task_t *task)
 227 {
 228     switch(task->task_id) {
 229     case TASK_SETDOWNLOADSTATE:
 230         set_downloading(task->doc);
 231         break;
 232     case TASK_PARSECOMPLETE:
 233         set_parsecomplete(task->doc);
 234         break;
 235     case TASK_SETPROGRESS:
 236         set_progress(task->doc);
 237         break;
 238     case TASK_START_BINDING:
 239         task_start_binding(task->bscallback);
 240         break;
 241     default:
 242         ERR("Wrong task_id %d\n", task->task_id);
 243     }
 244 }
 245
 246 static LRESULT WINAPI hidden_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 247 {
 248     switch(msg) {
 249     case WM_PROCESSTASK:
 250         while(1) {
 251             task_t *task = pop_task();
 252             if(!task)
 253                 break;
 254
 255             process_task(task);
 256             mshtml_free(task);
 257         }
 258
 259         return 0;
 260     }
 261
 262     if(msg > WM_USER)
 263         FIXME("(%p %d %x %lx)\n", hwnd, msg, wParam, lParam);
 264
 265     return DefWindowProcW(hwnd, msg, wParam, lParam);
 266 }
 267
 268 static HWND create_thread_hwnd(void)
 269 {
 270     static ATOM hidden_wnd_class = 0;
 271     static const WCHAR wszInternetExplorer_Hidden[] = {'I','n','t','e','r','n','e','t',
 272             ' ','E','x','p','l','o','r','e','r','_','H','i','d','d','e','n',0};
 273
 274     if(!hidden_wnd_class) {
 275         WNDCLASSEXW wndclass = {
 276             sizeof(WNDCLASSEXW), 0,
 277             hidden_proc,
 278             0, 0, hInst, NULL, NULL, NULL, NULL,
 279             wszInternetExplorer_Hidden,
 280             NULL
 281         };
 282
 283         hidden_wnd_class = RegisterClassExW(&wndclass);
 284     }
 285
 286     return CreateWindowExW(0, wszInternetExplorer_Hidden, NULL, WS_POPUP,
 287                            0, 0, 0, 0, NULL, NULL, hInst, NULL);
 288 }
 289
 290 HWND get_thread_hwnd(void)
 291 {
 292     thread_data_t *thread_data = get_thread_data(TRUE);
 293
 294     if(!thread_data->thread_hwnd)
 295         thread_data->thread_hwnd = create_thread_hwnd();
 296
 297     return thread_data->thread_hwnd;
 298 }
 299
 300 thread_data_t *get_thread_data(BOOL create)
 301 {
 302     thread_data_t *thread_data;
 303
 304     if(!mshtml_tls) {
 305         if(create)
 306             mshtml_tls = TlsAlloc();
 307         else
 308             return NULL;
 309     }
 310
 311     thread_data = TlsGetValue(mshtml_tls);
 312     if(!thread_data && create) {
 313         thread_data = mshtml_alloc_zero(sizeof(thread_data_t));
 314         TlsSetValue(mshtml_tls, thread_data);
 315     }
 316
 317     return thread_data;
 318 }