mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 18:15:11 +00:00
383 lines
9.6 KiB
C
383 lines
9.6 KiB
C
/*
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* Copyright 2006 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "mshtml_private.h"
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#define WM_PROCESSTASK 0x8008
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#define TIMER_ID 0x3000
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typedef struct {
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HTMLInnerWindow *window;
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DWORD id;
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DWORD time;
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DWORD interval;
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IDispatch *disp;
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struct list entry;
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} task_timer_t;
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static void default_task_destr(task_t *task)
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{
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heap_free(task);
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}
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HRESULT push_task(task_t *task, task_proc_t proc, task_proc_t destr, LONG magic)
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{
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thread_data_t *thread_data;
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thread_data = get_thread_data(TRUE);
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if(!thread_data) {
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if(destr)
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destr(task);
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else
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heap_free(task);
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return E_OUTOFMEMORY;
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}
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task->target_magic = magic;
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task->proc = proc;
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task->destr = destr ? destr : default_task_destr;
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list_add_tail(&thread_data->task_list, &task->entry);
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PostMessageW(thread_data->thread_hwnd, WM_PROCESSTASK, 0, 0);
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return S_OK;
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}
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static task_t *pop_task(void)
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{
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thread_data_t *thread_data;
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task_t *task;
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thread_data = get_thread_data(FALSE);
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if(!thread_data)
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return NULL;
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if(list_empty(&thread_data->task_list))
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return NULL;
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task = LIST_ENTRY(thread_data->task_list.next, task_t, entry);
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list_remove(&task->entry);
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return task;
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}
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static void release_task_timer(HWND thread_hwnd, task_timer_t *timer)
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{
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list_remove(&timer->entry);
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IDispatch_Release(timer->disp);
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heap_free(timer);
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}
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void flush_pending_tasks(LONG target)
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{
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thread_data_t *thread_data = get_thread_data(FALSE);
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struct list *liter, *ltmp;
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task_t *task;
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if(!thread_data)
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return;
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LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->task_list) {
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task = LIST_ENTRY(liter, task_t, entry);
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if(task->target_magic == target) {
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list_remove(&task->entry);
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task->proc(task);
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task->destr(task);
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}
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}
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}
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void remove_target_tasks(LONG target)
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{
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thread_data_t *thread_data = get_thread_data(FALSE);
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struct list *liter, *ltmp;
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task_timer_t *timer;
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task_t *task;
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if(!thread_data)
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return;
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LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->timer_list) {
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timer = LIST_ENTRY(liter, task_timer_t, entry);
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if(timer->window->task_magic == target)
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release_task_timer(thread_data->thread_hwnd, timer);
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}
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if(!list_empty(&thread_data->timer_list)) {
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DWORD tc = GetTickCount();
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timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
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SetTimer(thread_data->thread_hwnd, TIMER_ID, max( (int)(timer->time - tc), 0 ), NULL);
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}
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LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->task_list) {
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task = LIST_ENTRY(liter, task_t, entry);
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if(task->target_magic == target) {
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list_remove(&task->entry);
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task->destr(task);
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}
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}
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}
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LONG get_task_target_magic(void)
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{
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static LONG magic = 0x10000000;
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return InterlockedIncrement(&magic);
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}
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static BOOL queue_timer(thread_data_t *thread_data, task_timer_t *timer)
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{
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task_timer_t *iter;
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list_remove(&timer->entry);
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if(list_empty(&thread_data->timer_list)
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|| LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry)->time > timer->time) {
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list_add_head(&thread_data->timer_list, &timer->entry);
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return TRUE;
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}
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LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
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if(iter->time > timer->time) {
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list_add_tail(&iter->entry, &timer->entry);
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return FALSE;
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}
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}
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list_add_tail(&thread_data->timer_list, &timer->entry);
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return FALSE;
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}
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HRESULT set_task_timer(HTMLInnerWindow *window, DWORD msec, BOOL interval, IDispatch *disp, LONG *id)
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{
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thread_data_t *thread_data;
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task_timer_t *timer;
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DWORD tc = GetTickCount();
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static DWORD id_cnt = 0x20000000;
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thread_data = get_thread_data(TRUE);
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if(!thread_data)
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return E_OUTOFMEMORY;
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timer = heap_alloc(sizeof(task_timer_t));
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if(!timer)
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return E_OUTOFMEMORY;
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timer->id = id_cnt++;
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timer->window = window;
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timer->time = tc + msec;
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timer->interval = interval ? msec : 0;
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list_init(&timer->entry);
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IDispatch_AddRef(disp);
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timer->disp = disp;
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if(queue_timer(thread_data, timer))
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SetTimer(thread_data->thread_hwnd, TIMER_ID, msec, NULL);
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*id = timer->id;
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return S_OK;
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}
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HRESULT clear_task_timer(HTMLInnerWindow *window, BOOL interval, DWORD id)
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{
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thread_data_t *thread_data = get_thread_data(FALSE);
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task_timer_t *iter;
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if(!thread_data)
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return S_OK;
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LIST_FOR_EACH_ENTRY(iter, &thread_data->timer_list, task_timer_t, entry) {
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if(iter->id == id && iter->window == window && !iter->interval == !interval) {
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release_task_timer(thread_data->thread_hwnd, iter);
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return S_OK;
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}
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}
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WARN("timet not found\n");
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return S_OK;
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}
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static void call_timer_disp(IDispatch *disp)
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{
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DISPPARAMS dp = {NULL, NULL, 0, 0};
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EXCEPINFO ei;
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VARIANT res;
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HRESULT hres;
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V_VT(&res) = VT_EMPTY;
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memset(&ei, 0, sizeof(ei));
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TRACE(">>>\n");
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hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, 0, DISPATCH_METHOD, &dp, &res, &ei, NULL);
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if(hres == S_OK)
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TRACE("<<<\n");
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else
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WARN("<<< %08x\n", hres);
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VariantClear(&res);
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}
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static LRESULT process_timer(void)
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{
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thread_data_t *thread_data;
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IDispatch *disp;
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DWORD tc;
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task_timer_t *timer=NULL, *last_timer;
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TRACE("\n");
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thread_data = get_thread_data(FALSE);
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assert(thread_data != NULL);
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if(list_empty(&thread_data->timer_list)) {
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KillTimer(thread_data->thread_hwnd, TIMER_ID);
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return 0;
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}
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last_timer = LIST_ENTRY(list_tail(&thread_data->timer_list), task_timer_t, entry);
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do {
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tc = GetTickCount();
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if(timer == last_timer) {
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timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
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SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time>tc ? timer->time-tc : 0, NULL);
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return 0;
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}
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timer = LIST_ENTRY(list_head(&thread_data->timer_list), task_timer_t, entry);
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if(timer->time > tc) {
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SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time-tc, NULL);
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return 0;
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}
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disp = timer->disp;
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IDispatch_AddRef(disp);
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if(timer->interval) {
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timer->time += timer->interval;
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queue_timer(thread_data, timer);
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}else {
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release_task_timer(thread_data->thread_hwnd, timer);
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}
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call_timer_disp(disp);
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IDispatch_Release(disp);
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}while(!list_empty(&thread_data->timer_list));
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KillTimer(thread_data->thread_hwnd, TIMER_ID);
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return 0;
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}
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static LRESULT WINAPI hidden_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch(msg) {
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case WM_PROCESSTASK:
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while(1) {
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task_t *task = pop_task();
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if(!task)
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break;
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task->proc(task);
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task->destr(task);
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}
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return 0;
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case WM_TIMER:
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return process_timer();
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}
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if(msg > WM_USER)
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FIXME("(%p %d %lx %lx)\n", hwnd, msg, wParam, lParam);
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return DefWindowProcW(hwnd, msg, wParam, lParam);
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}
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static HWND create_thread_hwnd(void)
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{
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static ATOM hidden_wnd_class = 0;
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static const WCHAR wszInternetExplorer_Hidden[] = {'I','n','t','e','r','n','e','t',
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' ','E','x','p','l','o','r','e','r','_','H','i','d','d','e','n',0};
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if(!hidden_wnd_class) {
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WNDCLASSEXW wndclass = {
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sizeof(WNDCLASSEXW), 0,
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hidden_proc,
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0, 0, hInst, NULL, NULL, NULL, NULL,
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wszInternetExplorer_Hidden,
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NULL
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};
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hidden_wnd_class = RegisterClassExW(&wndclass);
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}
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return CreateWindowExW(0, wszInternetExplorer_Hidden, NULL, WS_POPUP,
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0, 0, 0, 0, NULL, NULL, hInst, NULL);
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}
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HWND get_thread_hwnd(void)
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{
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thread_data_t *thread_data;
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thread_data = get_thread_data(TRUE);
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if(!thread_data)
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return NULL;
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if(!thread_data->thread_hwnd)
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thread_data->thread_hwnd = create_thread_hwnd();
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return thread_data->thread_hwnd;
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}
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thread_data_t *get_thread_data(BOOL create)
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{
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thread_data_t *thread_data;
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if(mshtml_tls == TLS_OUT_OF_INDEXES) {
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DWORD tls;
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if(!create)
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return NULL;
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tls = TlsAlloc();
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if(tls == TLS_OUT_OF_INDEXES)
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return NULL;
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tls = InterlockedCompareExchange((LONG*)&mshtml_tls, tls, TLS_OUT_OF_INDEXES);
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if(tls != mshtml_tls)
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TlsFree(tls);
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}
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thread_data = TlsGetValue(mshtml_tls);
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if(!thread_data && create) {
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thread_data = heap_alloc_zero(sizeof(thread_data_t));
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if(!thread_data)
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return NULL;
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TlsSetValue(mshtml_tls, thread_data);
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list_init(&thread_data->task_list);
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list_init(&thread_data->timer_list);
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}
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return thread_data;
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}
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