msxml3: Correct IDispatchEx Invoke to return the correct object.
[wine] / 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 #include "shlguid.h"
32
33 #include "wine/debug.h"
34
35 #include "mshtml_private.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
38
39 #define WM_PROCESSTASK 0x8008
40 #define TIMER_ID 0x3000
41
42 typedef struct {
43     HTMLDocument *doc;
44     DWORD id;
45     DWORD time;
46     DWORD interval;
47     IDispatch *disp;
48
49     struct list entry;
50 } task_timer_t;
51
52 void push_task(task_t *task)
53 {
54     thread_data_t *thread_data = get_thread_data(TRUE);
55
56     if(thread_data->task_queue_tail)
57         thread_data->task_queue_tail->next = task;
58     else
59         thread_data->task_queue_head = task;
60
61     thread_data->task_queue_tail = task;
62
63     PostMessageW(thread_data->thread_hwnd, WM_PROCESSTASK, 0, 0);
64 }
65
66 static task_t *pop_task(void)
67 {
68     thread_data_t *thread_data = get_thread_data(TRUE);
69     task_t *task = thread_data->task_queue_head;
70
71     if(!task)
72         return NULL;
73
74     thread_data->task_queue_head = task->next;
75     if(!thread_data->task_queue_head)
76         thread_data->task_queue_tail = NULL;
77
78     return task;
79 }
80
81 static void release_task_timer(HWND thread_hwnd, task_timer_t *timer)
82 {
83     list_remove(&timer->entry);
84
85     IDispatch_Release(timer->disp);
86
87     heap_free(timer);
88 }
89
90 void remove_doc_tasks(const HTMLDocument *doc)
91 {
92     thread_data_t *thread_data = get_thread_data(FALSE);
93     struct list *liter, *ltmp;
94     task_timer_t *timer;
95     task_t *iter, *tmp;
96
97     LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->timer_list) {
98         timer = LIST_ENTRY(liter, task_timer_t, entry);
99         if(timer->doc == doc)
100             release_task_timer(thread_data->thread_hwnd, timer);
101     }
102
103     if(!list_empty(&thread_data->timer_list)) {
104         timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
105         SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time - GetTickCount(), NULL);
106     }
107
108     if(!thread_data)
109         return;
110
111     while(thread_data->task_queue_head
112           && thread_data->task_queue_head->doc == doc)
113         pop_task();
114
115     for(iter = thread_data->task_queue_head; iter; iter = iter->next) {
116         while(iter->next && iter->next->doc == doc) {
117             tmp = iter->next;
118             iter->next = tmp->next;
119             heap_free(tmp);
120         }
121
122         if(!iter->next)
123             thread_data->task_queue_tail = iter;
124     }
125 }
126
127 static BOOL queue_timer(thread_data_t *thread_data, task_timer_t *timer)
128 {
129     task_timer_t *iter;
130
131     list_remove(&timer->entry);
132
133     if(list_empty(&thread_data->timer_list)
134        || LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry)->time > timer->time) {
135
136         list_add_head(&thread_data->timer_list, &timer->entry);
137         return TRUE;
138     }
139
140     LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
141         if(iter->time > timer->time) {
142             list_add_tail(&iter->entry, &timer->entry);
143             return FALSE;
144         }
145     }
146
147     list_add_tail(&thread_data->timer_list, &timer->entry);
148     return FALSE;
149 }
150
151 DWORD set_task_timer(HTMLDocument *doc, DWORD msec, BOOL interval, IDispatch *disp)
152 {
153     thread_data_t *thread_data = get_thread_data(TRUE);
154     task_timer_t *timer;
155     DWORD tc = GetTickCount();
156
157     static DWORD id_cnt = 0x20000000;
158
159     timer = heap_alloc(sizeof(task_timer_t));
160     timer->id = id_cnt++;
161     timer->doc = doc;
162     timer->time = tc + msec;
163     timer->interval = interval ? msec : 0;
164     list_init(&timer->entry);
165
166     IDispatch_AddRef(disp);
167     timer->disp = disp;
168
169     if(queue_timer(thread_data, timer))
170         SetTimer(thread_data->thread_hwnd, TIMER_ID, msec, NULL);
171
172     return timer->id;
173 }
174
175 HRESULT clear_task_timer(HTMLDocument *doc, BOOL interval, DWORD id)
176 {
177     thread_data_t *thread_data = get_thread_data(FALSE);
178     task_timer_t *iter;
179
180     if(!thread_data)
181         return S_OK;
182
183     LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
184         if(iter->id == id && iter->doc == doc && (iter->interval == 0) == !interval) {
185             release_task_timer(thread_data->thread_hwnd, iter);
186             return S_OK;
187         }
188     }
189
190     WARN("timet not found\n");
191     return S_OK;
192 }
193
194 static void set_downloading(HTMLDocument *doc)
195 {
196     IOleCommandTarget *olecmd;
197     HRESULT hres;
198
199     TRACE("(%p)\n", doc);
200
201     if(doc->frame)
202         IOleInPlaceFrame_SetStatusText(doc->frame, NULL /* FIXME */);
203
204     if(!doc->client)
205         return;
206
207     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
208     if(SUCCEEDED(hres)) {
209         VARIANT var;
210
211         V_VT(&var) = VT_I4;
212         V_I4(&var) = 1;
213
214         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
215                                &var, NULL);
216         IOleCommandTarget_Release(olecmd);
217     }
218
219     if(doc->hostui) {
220         IDropTarget *drop_target = NULL;
221
222         hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
223         if(drop_target) {
224             FIXME("Use IDropTarget\n");
225             IDropTarget_Release(drop_target);
226         }
227     }
228 }
229
230 /* Calls undocumented 69 cmd of CGID_Explorer */
231 static void call_explorer_69(HTMLDocument *doc)
232 {
233     IOleCommandTarget *olecmd;
234     VARIANT var;
235     HRESULT hres;
236
237     if(!doc->client)
238         return;
239
240     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
241     if(FAILED(hres))
242         return;
243
244     VariantInit(&var);
245     hres = IOleCommandTarget_Exec(olecmd, &CGID_Explorer, 69, 0, NULL, &var);
246     IOleCommandTarget_Release(olecmd);
247     if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
248         FIXME("handle result\n");
249 }
250
251 static void set_parsecomplete(HTMLDocument *doc)
252 {
253     IOleCommandTarget *olecmd = NULL;
254
255     TRACE("(%p)\n", doc);
256
257     if(doc->usermode == EDITMODE)
258         init_editor(doc);
259
260     call_explorer_69(doc);
261     call_property_onchanged(&doc->cp_propnotif, 1005);
262     call_explorer_69(doc);
263
264     doc->readystate = READYSTATE_INTERACTIVE;
265     call_property_onchanged(&doc->cp_propnotif, DISPID_READYSTATE);
266
267     if(doc->client)
268         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
269
270     if(olecmd) {
271         VARIANT state, progress;
272
273         V_VT(&progress) = VT_I4;
274         V_I4(&progress) = 0;
275         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
276                                &progress, NULL);
277
278         V_VT(&state) = VT_I4;
279         V_I4(&state) = 0;
280         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
281                                &state, NULL);
282
283         IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 103, 0, NULL, NULL);
284         IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
285         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
286
287         IOleCommandTarget_Release(olecmd);
288     }
289
290     doc->readystate = READYSTATE_COMPLETE;
291     call_property_onchanged(&doc->cp_propnotif, DISPID_READYSTATE);
292
293     if(doc->frame) {
294         static const WCHAR wszDone[] = {'D','o','n','e',0};
295         IOleInPlaceFrame_SetStatusText(doc->frame, wszDone);
296     }
297
298     update_title(doc);
299 }
300
301 static void set_progress(HTMLDocument *doc)
302 {
303     IOleCommandTarget *olecmd = NULL;
304     HRESULT hres;
305
306     TRACE("(%p)\n", doc);
307
308     if(doc->client)
309         IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
310
311     if(olecmd) {
312         VARIANT progress_max, progress;
313
314         V_VT(&progress_max) = VT_I4;
315         V_I4(&progress_max) = 0; /* FIXME */
316         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
317                                &progress_max, NULL);
318
319         V_VT(&progress) = VT_I4;
320         V_I4(&progress) = 0; /* FIXME */
321         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
322                                &progress, NULL);
323     }
324
325     if(doc->usermode == EDITMODE && doc->hostui) {
326         DOCHOSTUIINFO hostinfo;
327
328         memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
329         hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
330         hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
331         if(SUCCEEDED(hres))
332             /* FIXME: use hostinfo */
333             TRACE("hostinfo = {%u %08x %08x %s %s}\n",
334                     hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
335                     debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
336     }
337 }
338
339 static void task_start_binding(HTMLDocument *doc, BSCallback *bscallback)
340 {
341     if(doc)
342         start_binding(doc, bscallback, NULL);
343     IUnknown_Release((IUnknown*)bscallback);
344 }
345
346 static void process_task(task_t *task)
347 {
348     switch(task->task_id) {
349     case TASK_SETDOWNLOADSTATE:
350         set_downloading(task->doc);
351         break;
352     case TASK_PARSECOMPLETE:
353         set_parsecomplete(task->doc);
354         break;
355     case TASK_SETPROGRESS:
356         set_progress(task->doc);
357         break;
358     case TASK_START_BINDING:
359         task_start_binding(task->doc, (BSCallback*)task->bscallback);
360         break;
361     default:
362         ERR("Wrong task_id %d\n", task->task_id);
363     }
364 }
365
366 static LRESULT process_timer(void)
367 {
368     thread_data_t *thread_data = get_thread_data(TRUE);
369     HTMLDocument *doc;
370     IDispatch *disp;
371     DWORD tc;
372     task_timer_t *timer;
373
374     TRACE("\n");
375
376     while(!list_empty(&thread_data->timer_list)) {
377         timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
378
379         tc = GetTickCount();
380         if(timer->time > tc) {
381             SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time-tc, NULL);
382             return 0;
383         }
384
385         doc = timer->doc;
386         disp = timer->disp;
387         IDispatch_AddRef(disp);
388
389         if(timer->interval) {
390             timer->time += timer->interval;
391             queue_timer(thread_data, timer);
392         }else {
393             release_task_timer(thread_data->thread_hwnd, timer);
394         }
395
396         call_disp_func(doc, disp);
397
398         IDispatch_Release(disp);
399     }
400
401     KillTimer(thread_data->thread_hwnd, TIMER_ID);
402     return 0;
403 }
404
405 static LRESULT WINAPI hidden_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
406 {
407     switch(msg) {
408     case WM_PROCESSTASK:
409         while(1) {
410             task_t *task = pop_task();
411             if(!task)
412                 break;
413
414             process_task(task);
415             heap_free(task);
416         }
417
418         return 0;
419     case WM_TIMER:
420         return process_timer();
421     }
422
423     if(msg > WM_USER)
424         FIXME("(%p %d %lx %lx)\n", hwnd, msg, wParam, lParam);
425
426     return DefWindowProcW(hwnd, msg, wParam, lParam);
427 }
428
429 static HWND create_thread_hwnd(void)
430 {
431     static ATOM hidden_wnd_class = 0;
432     static const WCHAR wszInternetExplorer_Hidden[] = {'I','n','t','e','r','n','e','t',
433             ' ','E','x','p','l','o','r','e','r','_','H','i','d','d','e','n',0};
434
435     if(!hidden_wnd_class) {
436         WNDCLASSEXW wndclass = {
437             sizeof(WNDCLASSEXW), 0,
438             hidden_proc,
439             0, 0, hInst, NULL, NULL, NULL, NULL,
440             wszInternetExplorer_Hidden,
441             NULL
442         };
443
444         hidden_wnd_class = RegisterClassExW(&wndclass);
445     }
446
447     return CreateWindowExW(0, wszInternetExplorer_Hidden, NULL, WS_POPUP,
448                            0, 0, 0, 0, NULL, NULL, hInst, NULL);
449 }
450
451 HWND get_thread_hwnd(void)
452 {
453     thread_data_t *thread_data = get_thread_data(TRUE);
454
455     if(!thread_data->thread_hwnd)
456         thread_data->thread_hwnd = create_thread_hwnd();
457
458     return thread_data->thread_hwnd;
459 }
460
461 thread_data_t *get_thread_data(BOOL create)
462 {
463     thread_data_t *thread_data;
464
465     if(!mshtml_tls) {
466         if(create)
467             mshtml_tls = TlsAlloc();
468         else
469             return NULL;
470     }
471
472     thread_data = TlsGetValue(mshtml_tls);
473     if(!thread_data && create) {
474         thread_data = heap_alloc_zero(sizeof(thread_data_t));
475         TlsSetValue(mshtml_tls, thread_data);
476         list_init(&thread_data->timer_list);
477     }
478
479     return thread_data;
480 }