mirror of
https://github.com/WinampDesktop/winamp.git
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80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
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#include <precomp.h>
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#include "popexitchecker.h"
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#include <api/wnd/popexitcb.h>
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#include <api/wnd/api_window.h>
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#include <api/syscb/callbacks/syscbi.h>
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#include <api/wnd/wndtrack.h>
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//PopupExitChecker *popupExitChecker;
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PopupExitChecker::PopupExitChecker() {
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}
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PopupExitChecker::~PopupExitChecker() {
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watchers.deleteAll();
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}
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void PopupExitChecker::registerCallback(PopupExitCallback *cb, ifc_window *watched) {
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ifc_dependent *a = cb->popupexit_getDependencyPtr();
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ifc_dependent *b = watched->getDependencyPtr();
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watchers.addItem(new PopupExitCallbackEntry(cb, watched, a, b));
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viewer_addViewItem(a);
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viewer_addViewItem(b);
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}
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int PopupExitChecker::check(ifc_window *w) {
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int n=0;
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foreach(watchers)
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PopupExitCallbackEntry *e = watchers.getfor();
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if (w != e->watched && !isGrandChildren(e->watched, w)) {
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e->cb->popupexitcb_onExitPopup();
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n++;
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}
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endfor;
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return n > 0;
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}
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void PopupExitChecker::signal() {
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foreach(watchers)
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watchers.getfor()->cb->popupexitcb_onExitPopup();
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endfor;
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}
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int PopupExitChecker::isGrandChildren(ifc_window *parent, ifc_window *child) {
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int i;
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for (i=0;i<parent->getNumRootWndChildren();i++) {
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if (parent->enumRootWndChildren(i) == child) return 1;
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}
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for (i=0;i<parent->getNumRootWndChildren();i++) {
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ifc_window *w = parent->enumRootWndChildren(i);
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int r = 0;
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if (w->getNumRootWndChildren() > 0) r = isGrandChildren(w, child);
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if (r) return 1;
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}
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return 0;
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}
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int PopupExitChecker::viewer_onItemDeleted(ifc_dependent *item) {
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for (int i=0;i<watchers.getNumItems();i++) {
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PopupExitCallbackEntry *e = watchers.enumItem(i);
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if (e->cbd == item || e->wd == item) {
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watchers.removeByPos(i); i--;
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delete e;
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// no break, wnd can be watched by many people
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}
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}
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return 0;
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}
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void PopupExitChecker::deregisterCallback(PopupExitCallback *cb) {
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for (int i=0;i<watchers.getNumItems();i++) {
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PopupExitCallbackEntry *e = watchers.enumItem(i);
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if (e->cb == cb) {
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watchers.removeByPos(i); i--;
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delete e;
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// no break, watcher can watch many windows, but wait, there cannot be 2 popups at once on a screen! who says so ?
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}
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}
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}
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