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Sweden-Number/dlls/mshtml/task.c

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/*
* Copyright 2006 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "mshtmcid.h"
#include "shlguid.h"
#include "wine/debug.h"
#include "mshtml_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
#define WM_PROCESSTASK 0x8008
#define TIMER_ID 0x3000
typedef struct {
HTMLDocument *doc;
DWORD id;
DWORD time;
DWORD interval;
IDispatch *disp;
struct list entry;
} task_timer_t;
void push_task(task_t *task)
{
thread_data_t *thread_data = get_thread_data(TRUE);
if(thread_data->task_queue_tail)
thread_data->task_queue_tail->next = task;
else
thread_data->task_queue_head = task;
thread_data->task_queue_tail = task;
PostMessageW(thread_data->thread_hwnd, WM_PROCESSTASK, 0, 0);
}
static task_t *pop_task(void)
{
thread_data_t *thread_data = get_thread_data(TRUE);
task_t *task = thread_data->task_queue_head;
if(!task)
return NULL;
thread_data->task_queue_head = task->next;
if(!thread_data->task_queue_head)
thread_data->task_queue_tail = NULL;
return task;
}
static void release_task_timer(HWND thread_hwnd, task_timer_t *timer)
{
list_remove(&timer->entry);
IDispatch_Release(timer->disp);
heap_free(timer);
}
void remove_doc_tasks(const HTMLDocument *doc)
{
thread_data_t *thread_data = get_thread_data(FALSE);
struct list *liter, *ltmp;
task_timer_t *timer;
task_t *iter, *tmp;
if(!thread_data)
return;
LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->timer_list) {
timer = LIST_ENTRY(liter, task_timer_t, entry);
if(timer->doc == doc)
release_task_timer(thread_data->thread_hwnd, timer);
}
if(!list_empty(&thread_data->timer_list)) {
timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time - GetTickCount(), NULL);
}
while(thread_data->task_queue_head
&& thread_data->task_queue_head->doc == doc)
pop_task();
for(iter = thread_data->task_queue_head; iter; iter = iter->next) {
while(iter->next && iter->next->doc == doc) {
tmp = iter->next;
iter->next = tmp->next;
heap_free(tmp);
}
if(!iter->next)
thread_data->task_queue_tail = iter;
}
}
static BOOL queue_timer(thread_data_t *thread_data, task_timer_t *timer)
{
task_timer_t *iter;
list_remove(&timer->entry);
if(list_empty(&thread_data->timer_list)
|| LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry)->time > timer->time) {
list_add_head(&thread_data->timer_list, &timer->entry);
return TRUE;
}
LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
if(iter->time > timer->time) {
list_add_tail(&iter->entry, &timer->entry);
return FALSE;
}
}
list_add_tail(&thread_data->timer_list, &timer->entry);
return FALSE;
}
DWORD set_task_timer(HTMLDocument *doc, DWORD msec, BOOL interval, IDispatch *disp)
{
thread_data_t *thread_data = get_thread_data(TRUE);
task_timer_t *timer;
DWORD tc = GetTickCount();
static DWORD id_cnt = 0x20000000;
timer = heap_alloc(sizeof(task_timer_t));
timer->id = id_cnt++;
timer->doc = doc;
timer->time = tc + msec;
timer->interval = interval ? msec : 0;
list_init(&timer->entry);
IDispatch_AddRef(disp);
timer->disp = disp;
if(queue_timer(thread_data, timer))
SetTimer(thread_data->thread_hwnd, TIMER_ID, msec, NULL);
return timer->id;
}
HRESULT clear_task_timer(HTMLDocument *doc, BOOL interval, DWORD id)
{
thread_data_t *thread_data = get_thread_data(FALSE);
task_timer_t *iter;
if(!thread_data)
return S_OK;
LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
if(iter->id == id && iter->doc == doc && (iter->interval == 0) == !interval) {
release_task_timer(thread_data->thread_hwnd, iter);
return S_OK;
}
}
WARN("timet not found\n");
return S_OK;
}
static void set_downloading(HTMLDocument *doc)
{
IOleCommandTarget *olecmd;
HRESULT hres;
TRACE("(%p)\n", doc);
if(doc->frame)
IOleInPlaceFrame_SetStatusText(doc->frame, NULL /* FIXME */);
if(!doc->client)
return;
hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(SUCCEEDED(hres)) {
VARIANT var;
V_VT(&var) = VT_I4;
V_I4(&var) = 1;
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
&var, NULL);
IOleCommandTarget_Release(olecmd);
}
if(doc->hostui) {
IDropTarget *drop_target = NULL;
hres = IDocHostUIHandler_GetDropTarget(doc->hostui, NULL /* FIXME */, &drop_target);
if(drop_target) {
FIXME("Use IDropTarget\n");
IDropTarget_Release(drop_target);
}
}
}
/* Calls undocumented 69 cmd of CGID_Explorer */
static void call_explorer_69(HTMLDocument *doc)
{
IOleCommandTarget *olecmd;
VARIANT var;
HRESULT hres;
if(!doc->client)
return;
hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(FAILED(hres))
return;
VariantInit(&var);
hres = IOleCommandTarget_Exec(olecmd, &CGID_Explorer, 69, 0, NULL, &var);
IOleCommandTarget_Release(olecmd);
if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
FIXME("handle result\n");
}
static void set_parsecomplete(HTMLDocument *doc)
{
IOleCommandTarget *olecmd = NULL;
TRACE("(%p)\n", doc);
if(doc->usermode == EDITMODE)
init_editor(doc);
call_explorer_69(doc);
call_property_onchanged(&doc->cp_propnotif, 1005);
call_explorer_69(doc);
/* FIXME: IE7 calls EnableModelless(TRUE), EnableModelless(FALSE) and sets interactive state here */
doc->readystate = READYSTATE_INTERACTIVE;
call_property_onchanged(&doc->cp_propnotif, DISPID_READYSTATE);
if(doc->client)
IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(olecmd) {
VARIANT state, progress;
V_VT(&progress) = VT_I4;
V_I4(&progress) = 0;
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
&progress, NULL);
V_VT(&state) = VT_I4;
V_I4(&state) = 0;
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETDOWNLOADSTATE, OLECMDEXECOPT_DONTPROMPTUSER,
&state, NULL);
IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 103, 0, NULL, NULL);
IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
IOleCommandTarget_Release(olecmd);
}
doc->readystate = READYSTATE_COMPLETE;
call_property_onchanged(&doc->cp_propnotif, DISPID_READYSTATE);
if(doc->frame) {
static const WCHAR wszDone[] = {'D','o','n','e',0};
IOleInPlaceFrame_SetStatusText(doc->frame, wszDone);
}
update_title(doc);
}
static void set_progress(HTMLDocument *doc)
{
IOleCommandTarget *olecmd = NULL;
HRESULT hres;
TRACE("(%p)\n", doc);
if(doc->client)
IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(olecmd) {
VARIANT progress_max, progress;
V_VT(&progress_max) = VT_I4;
V_I4(&progress_max) = 0; /* FIXME */
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSMAX, OLECMDEXECOPT_DONTPROMPTUSER,
&progress_max, NULL);
V_VT(&progress) = VT_I4;
V_I4(&progress) = 0; /* FIXME */
IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS, OLECMDEXECOPT_DONTPROMPTUSER,
&progress, NULL);
}
if(doc->usermode == EDITMODE && doc->hostui) {
DOCHOSTUIINFO hostinfo;
memset(&hostinfo, 0, sizeof(DOCHOSTUIINFO));
hostinfo.cbSize = sizeof(DOCHOSTUIINFO);
hres = IDocHostUIHandler_GetHostInfo(doc->hostui, &hostinfo);
if(SUCCEEDED(hres))
/* FIXME: use hostinfo */
TRACE("hostinfo = {%u %08x %08x %s %s}\n",
hostinfo.cbSize, hostinfo.dwFlags, hostinfo.dwDoubleClick,
debugstr_w(hostinfo.pchHostCss), debugstr_w(hostinfo.pchHostNS));
}
}
static void task_start_binding(HTMLDocument *doc, BSCallback *bscallback)
{
if(doc)
start_binding(doc, bscallback, NULL);
IUnknown_Release((IUnknown*)bscallback);
}
static void process_task(task_t *task)
{
switch(task->task_id) {
case TASK_SETDOWNLOADSTATE:
set_downloading(task->doc);
break;
case TASK_PARSECOMPLETE:
set_parsecomplete(task->doc);
break;
case TASK_SETPROGRESS:
set_progress(task->doc);
break;
case TASK_START_BINDING:
task_start_binding(task->doc, (BSCallback*)task->bscallback);
break;
default:
ERR("Wrong task_id %d\n", task->task_id);
}
}
static void call_timer_disp(IDispatch *disp)
{
DISPPARAMS dp = {NULL, NULL, 0, 0};
EXCEPINFO ei;
VARIANT res;
HRESULT hres;
V_VT(&res) = VT_EMPTY;
memset(&ei, 0, sizeof(ei));
hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, 0, DISPATCH_METHOD, &dp, &res, &ei, NULL);
TRACE("ret %08x %s\n", hres, debugstr_variant(&res));
VariantClear(&res);
}
static LRESULT process_timer(void)
{
thread_data_t *thread_data = get_thread_data(TRUE);
HTMLDocument *doc;
IDispatch *disp;
DWORD tc;
task_timer_t *timer;
TRACE("\n");
while(!list_empty(&thread_data->timer_list)) {
timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
tc = GetTickCount();
if(timer->time > tc) {
SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time-tc, NULL);
return 0;
}
doc = timer->doc;
disp = timer->disp;
IDispatch_AddRef(disp);
if(timer->interval) {
timer->time += timer->interval;
queue_timer(thread_data, timer);
}else {
release_task_timer(thread_data->thread_hwnd, timer);
}
call_timer_disp(disp);
IDispatch_Release(disp);
}
KillTimer(thread_data->thread_hwnd, TIMER_ID);
return 0;
}
static LRESULT WINAPI hidden_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg) {
case WM_PROCESSTASK:
while(1) {
task_t *task = pop_task();
if(!task)
break;
process_task(task);
heap_free(task);
}
return 0;
case WM_TIMER:
return process_timer();
}
if(msg > WM_USER)
FIXME("(%p %d %lx %lx)\n", hwnd, msg, wParam, lParam);
return DefWindowProcW(hwnd, msg, wParam, lParam);
}
static HWND create_thread_hwnd(void)
{
static ATOM hidden_wnd_class = 0;
static const WCHAR wszInternetExplorer_Hidden[] = {'I','n','t','e','r','n','e','t',
' ','E','x','p','l','o','r','e','r','_','H','i','d','d','e','n',0};
if(!hidden_wnd_class) {
WNDCLASSEXW wndclass = {
sizeof(WNDCLASSEXW), 0,
hidden_proc,
0, 0, hInst, NULL, NULL, NULL, NULL,
wszInternetExplorer_Hidden,
NULL
};
hidden_wnd_class = RegisterClassExW(&wndclass);
}
return CreateWindowExW(0, wszInternetExplorer_Hidden, NULL, WS_POPUP,
0, 0, 0, 0, NULL, NULL, hInst, NULL);
}
HWND get_thread_hwnd(void)
{
thread_data_t *thread_data = get_thread_data(TRUE);
if(!thread_data->thread_hwnd)
thread_data->thread_hwnd = create_thread_hwnd();
return thread_data->thread_hwnd;
}
thread_data_t *get_thread_data(BOOL create)
{
thread_data_t *thread_data;
if(mshtml_tls == TLS_OUT_OF_INDEXES) {
DWORD tls;
if(!create)
return NULL;
tls = TlsAlloc();
if(tls == TLS_OUT_OF_INDEXES)
return NULL;
tls = InterlockedCompareExchange((LONG*)&mshtml_tls, tls, TLS_OUT_OF_INDEXES);
if(tls != mshtml_tls)
TlsFree(tls);
}
thread_data = TlsGetValue(mshtml_tls);
if(!thread_data && create) {
thread_data = heap_alloc_zero(sizeof(thread_data_t));
TlsSetValue(mshtml_tls, thread_data);
list_init(&thread_data->timer_list);
}
return thread_data;
}
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