/indra/newview/lllistcontextmenu.cpp

  1/** 
  2 * @file lllistcontextmenu.cpp
  3 * @brief Base class of misc lists' context menus
  4 *
  5 * $LicenseInfo:firstyear=2010&license=viewerlgpl$
  6 * Second Life Viewer Source Code
  7 * Copyright (C) 2010, Linden Research, Inc.
  8 * 
  9 * This library is free software; you can redistribute it and/or
 10 * modify it under the terms of the GNU Lesser General Public
 11 * License as published by the Free Software Foundation;
 12 * version 2.1 of the License only.
 13 * 
 14 * This library is distributed in the hope that it will be useful,
 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 17 * Lesser General Public License for more details.
 18 * 
 19 * You should have received a copy of the GNU Lesser General Public
 20 * License along with this library; if not, write to the Free Software
 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 22 * 
 23 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 24 * $/LicenseInfo$
 25 */
 26
 27
 28#include "llviewerprecompiledheaders.h"
 29
 30#include "lllistcontextmenu.h"
 31
 32// libs
 33#include "llmenugl.h" // for LLContextMenu
 34
 35// newview
 36#include "llviewermenu.h" // for LLViewerMenuHolderGL
 37
 38LLListContextMenu::LLListContextMenu()
 39{
 40}
 41
 42LLListContextMenu::~LLListContextMenu()
 43{
 44	// do not forget delete LLContextMenu* mMenu.
 45	// It can have registered Enable callbacks which are called from the LLMenuHolderGL::draw()
 46	// via selected item (menu_item_call) by calling LLMenuItemCallGL::buildDrawLabel.
 47	// we can have a crash via using callbacks of deleted instance of ContextMenu. EXT-4725
 48
 49	// menu holder deletes its menus on viewer exit, so we have no way to determine if instance
 50	// of mMenu has already been deleted except of using LLHandle. EXT-4762.
 51	if (!mMenuHandle.isDead())
 52	{
 53		mMenuHandle.get()->die();
 54	}
 55}
 56
 57void LLListContextMenu::show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y)
 58{
 59	LLContextMenu* menup = mMenuHandle.get();
 60	if (menup)
 61	{
 62		//preventing parent (menu holder) from deleting already "dead" context menus on exit
 63		LLView* parent = menup->getParent();
 64		if (parent)
 65		{
 66			parent->removeChild(menup);
 67		}
 68		delete menup;
 69		mUUIDs.clear();
 70	}
 71
 72	if ( uuids.empty() )
 73	{
 74		return;
 75	}
 76
 77	mUUIDs.resize(uuids.size());
 78	std::copy(uuids.begin(), uuids.end(), mUUIDs.begin());
 79
 80	menup = createMenu();
 81	if (!menup)
 82	{
 83		llwarns << "Context menu creation failed" << llendl;
 84		return;
 85	}
 86
 87	mMenuHandle = menup->getHandle();
 88	menup->show(x, y);
 89	LLMenuGL::showPopup(spawning_view, menup, x, y);
 90}
 91
 92void LLListContextMenu::hide()
 93{
 94	if(mMenuHandle.get())
 95	{
 96		mMenuHandle.get()->hide();
 97	}
 98}
 99
100// static
101void LLListContextMenu::handleMultiple(functor_t functor, const uuid_vec_t& ids)
102{
103	uuid_vec_t::const_iterator it;
104	for (it = ids.begin(); it != ids.end(); ++it)
105	{
106		functor(*it);
107	}
108}
109
110// static
111LLContextMenu* LLListContextMenu::createFromFile(const std::string& filename)
112{
113	return LLUICtrlFactory::getInstance()->createFromFile<LLContextMenu>(
114		filename, LLContextMenu::sMenuContainer, LLViewerMenuHolderGL::child_registry_t::instance());
115}
116
117// EOF