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path: root/indra/newview/llblocklist.cpp
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/**
 * @file llblocklist.cpp
 * @brief List of the blocked avatars and objects.
 *
 * $LicenseInfo:firstyear=2012&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2012, Linden Research, Inc.
 *
 * 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;
 * version 2.1 of the License only.
 *
 * 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 Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llblocklist.h"

#include "llavataractions.h"
#include "llblockedlistitem.h"
#include "llfloatersidepanelcontainer.h"
#include "llviewermenu.h"

static LLDefaultChildRegistry::Register<LLBlockList> r("block_list");

static const LLBlockListNameComparator      NAME_COMPARATOR;
static const LLBlockListNameTypeComparator  NAME_TYPE_COMPARATOR;

LLBlockList::LLBlockList(const Params& p)
:   LLFlatListViewEx(p),
    mDirty(true),
    mShouldAddAll(true),
    mActionType(NONE),
    mMuteListSize(0)
{

    LLMuteList::getInstance()->addObserver(this);
    mMuteListSize = LLMuteList::getInstance()->getMutes().size();

    // Set up context menu.
    ScopedRegistrarHelper registrar;
    LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;

    registrar.add       ("Block.Action",    boost::bind(&LLBlockList::onCustomAction,   this, _2));
    enable_registrar.add("Block.Enable",    boost::bind(&LLBlockList::isActionEnabled,  this, _2));
    enable_registrar.add("Block.Check",     boost::bind(&LLBlockList::isMenuItemChecked, this, _2));
    enable_registrar.add("Block.Visible",   boost::bind(&LLBlockList::isMenuItemVisible, this, _2));

    LLToggleableMenu* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(
                                    "menu_people_blocked_gear.xml",
                                    gMenuHolder,
                                    LLViewerMenuHolderGL::child_registry_t::instance());
    if(context_menu)
    {
        mContextMenu = context_menu->getHandle();
    }
}

LLBlockList::~LLBlockList()
{
    if (mContextMenu.get())
    {
        mContextMenu.get()->die();
    }

    LLMuteList::getInstance()->removeObserver(this);
}

void LLBlockList::createList()
{
    std::vector<LLMute> mutes = LLMuteList::instance().getMutes();
    std::vector<LLMute>::const_iterator mute_it = mutes.begin();

    for (; mute_it != mutes.end(); ++mute_it)
    {
        addNewItem(&*mute_it);
    }
}

BlockListActionType LLBlockList::getCurrentMuteListActionType()
{
    BlockListActionType type = NONE;
    U32 curSize = LLMuteList::getInstance()->getMutes().size();
    if( curSize > mMuteListSize)
        type = ADD;
    else if(curSize < mMuteListSize)
        type = REMOVE;

    return type;
}

void LLBlockList::onChangeDetailed(const LLMute &mute)
{
    mActionType = getCurrentMuteListActionType();

    mCurItemId = mute.mID;
    mCurItemName = mute.mName;
    mCurItemType = mute.mType;
    mCurItemFlags = mute.mFlags;

    refresh();
}

BOOL LLBlockList::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
    BOOL handled = LLUICtrl::handleRightMouseDown(x, y, mask);

    LLToggleableMenu* context_menu = mContextMenu.get();
    if (context_menu && size())
    {
        context_menu->buildDrawLabels();
        context_menu->updateParent(LLMenuGL::sMenuContainer);
        LLMenuGL::showPopup(this, context_menu, x, y);
    }

    return handled;
}

void LLBlockList::removeListItem(const LLMute* mute)
{
    if (mute->mID.notNull())
    {
        removeItemByUUID(mute->mID);
    }
    else
    {
        removeItemByValue(mute->mName);
    }
}

void LLBlockList::hideListItem(LLBlockedListItem* item, bool show)
{
    item->setVisible(show);
}

void LLBlockList::setNameFilter(const std::string& filter)
{
    std::string filter_upper = filter;
    LLStringUtil::toUpper(filter_upper);
    if (mNameFilter != filter_upper)
    {
        mNameFilter = filter_upper;
        setDirty();
    }
}

void LLBlockList::sortByName()
{
    setComparator(&NAME_COMPARATOR);
    sort();
}

void LLBlockList::sortByType()
{
    setComparator(&NAME_TYPE_COMPARATOR);
    sort();
}

void LLBlockList::draw()
{
    if (mDirty)
    {
        refresh();
    }

    LLFlatListView::draw();
}

void LLBlockList::addNewItem(const LLMute* mute)
{
    LLBlockedListItem* item = new LLBlockedListItem(mute);
    if (!mNameFilter.empty())
    {
        item->highlightName(mNameFilter);
    }
    if (item->getUUID().notNull())
    {
        addItem(item, item->getUUID(), ADD_BOTTOM);
    }
    else
    {
        addItem(item, item->getName(), ADD_BOTTOM);
    }
}

void LLBlockList::refresh()
{
    bool have_filter = !mNameFilter.empty();

    // save selection to restore it after list rebuilt
    LLSD selected = getSelectedValue();
    LLSD next_selected;

    if(mShouldAddAll)   // creating list of blockers
    {
        clear();
        createList();
        mShouldAddAll = false;
    }
    else
    {
        // handle remove/add functionality
        LLMute mute(mCurItemId, mCurItemName, mCurItemType, mCurItemFlags);
        if(mActionType == ADD)
        {
            addNewItem(&mute);
        }
        else if(mActionType == REMOVE)
        {
            if ((mute.mID.notNull() && selected.isUUID() && selected.asUUID() == mute.mID)
                || (mute.mID.isNull() && selected.isString() && selected.asString() == mute.mName))
            {
                // we are going to remove currently selected item, so select next item and save the selection to restore it
                if (!selectNextItemPair(false, true))
                {
                    selectNextItemPair(true, true);
                }
                next_selected = getSelectedValue();
            }
            removeListItem(&mute);
        }
        mActionType = NONE;
    }

    // handle filter functionality
    if(have_filter || (!have_filter && !mPrevNameFilter.empty()))
    {
        // we should update visibility of our items if previous filter was not empty
        std::vector < LLPanel* > allItems;
        getItems(allItems);
        std::vector < LLPanel* >::iterator it = allItems.begin();

        for(; it != allItems.end() ; ++it)
        {
            LLBlockedListItem * curItem = dynamic_cast<LLBlockedListItem *> (*it);
            if(curItem)
    {
                hideListItem(curItem, findInsensitive(curItem->getName(), mNameFilter));
            }
        }
    }
    mPrevNameFilter = mNameFilter;

    if (selected.isDefined())
    {
        if (getItemPair(selected))
        {
            // restore previously selected item
            selectItemPair(getItemPair(selected), true);
        }
        else if (next_selected.isDefined() && getItemPair(next_selected))
        {
            // previously selected item was removed, so select next item
            selectItemPair(getItemPair(next_selected), true);
        }
    }
    mMuteListSize = LLMuteList::getInstance()->getMutes().size();

    // Sort the list.
    sort();

    setDirty(false);
}

bool LLBlockList::findInsensitive(std::string haystack, const std::string& needle_upper)
{
    LLStringUtil::toUpper(haystack);
    return haystack.find(needle_upper) != std::string::npos;
}

LLBlockedListItem* LLBlockList::getBlockedItem() const
{
    LLPanel* panel = LLFlatListView::getSelectedItem();
    LLBlockedListItem* item = dynamic_cast<LLBlockedListItem*>(panel);
    return item;
}

bool LLBlockList::isActionEnabled(const LLSD& userdata)
{
    bool action_enabled = true;

    const std::string command_name = userdata.asString();

    if ("profile_item" == command_name
        || "block_voice" == command_name
        || "block_text" == command_name
        || "block_particles" == command_name
        || "block_obj_sounds" == command_name)
    {
        LLBlockedListItem* item = getBlockedItem();
        action_enabled = item && (LLMute::AGENT == item->getType());
    }

    if ("unblock_item" == command_name)
    {
        action_enabled = getSelectedItem() != NULL;
    }

    return action_enabled;
}

void LLBlockList::onCustomAction(const LLSD& userdata)
{
    if (!isActionEnabled(userdata))
    {
        return;
    }

    LLBlockedListItem* item = getBlockedItem();
    const std::string command_name = userdata.asString();

    if ("unblock_item" == command_name)
    {
        LLMute mute(item->getUUID(), item->getName());
        LLMuteList::getInstance()->remove(mute);
    }
    else if ("profile_item" == command_name)
    {
        switch(item->getType())
        {

        case LLMute::AGENT:
            LLAvatarActions::showProfile(item->getUUID());
            break;

        default:
            break;
        }
    }
    else if ("block_voice" == command_name)
    {
        toggleMute(LLMute::flagVoiceChat);
    }
    else if ("block_text" == command_name)
    {
        toggleMute(LLMute::flagTextChat);
    }
    else if ("block_particles" == command_name)
    {
        toggleMute(LLMute::flagParticles);
    }
    else if ("block_obj_sounds" == command_name)
    {
        toggleMute(LLMute::flagObjectSounds);
    }
}

bool LLBlockList::isMenuItemChecked(const LLSD& userdata)
{
    LLBlockedListItem* item = getBlockedItem();
    if (!item)
    {
        return false;
    }

    const std::string command_name = userdata.asString();

    if ("block_voice" == command_name)
    {
        return LLMuteList::getInstance()->isMuted(item->getUUID(), LLMute::flagVoiceChat);
    }
    else if ("block_text" == command_name)
    {
        return LLMuteList::getInstance()->isMuted(item->getUUID(), LLMute::flagTextChat);
    }
    else if ("block_particles" == command_name)
    {
        return LLMuteList::getInstance()->isMuted(item->getUUID(), LLMute::flagParticles);
    }
    else if ("block_obj_sounds" == command_name)
    {
        return LLMuteList::getInstance()->isMuted(item->getUUID(), LLMute::flagObjectSounds);
    }

    return false;
}

bool LLBlockList::isMenuItemVisible(const LLSD& userdata)
{
    LLBlockedListItem* item = getBlockedItem();
    const std::string command_name = userdata.asString();

    if ("block_voice" == command_name
        || "block_text" == command_name
        || "block_particles" == command_name
        || "block_obj_sounds" == command_name)
    {
        return item && (LLMute::AGENT == item->getType());
    }

    return false;
}

void LLBlockList::toggleMute(U32 flags)
{
    LLBlockedListItem* item = getBlockedItem();
    LLMute mute(item->getUUID(), item->getName(), item->getType());

    if (!LLMuteList::getInstance()->isMuted(item->getUUID(), flags))
    {
        LLMuteList::getInstance()->add(mute, flags);
    }
    else
    {
        LLMuteList::getInstance()->remove(mute, flags);
    }
}

bool LLBlockListItemComparator::compare(const LLPanel* item1, const LLPanel* item2) const
{
    const LLBlockedListItem* blocked_item1 = dynamic_cast<const LLBlockedListItem*>(item1);
    const LLBlockedListItem* blocked_item2 = dynamic_cast<const LLBlockedListItem*>(item2);

    if (!blocked_item1 || !blocked_item2)
    {
        LL_ERRS() << "blocked_item1 and blocked_item2 cannot be null" << LL_ENDL;
        return true;
    }

    return doCompare(blocked_item1, blocked_item2);
}

bool LLBlockListNameComparator::doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const
{
    std::string name1 = blocked_item1->getName();
    std::string name2 = blocked_item2->getName();

    LLStringUtil::toUpper(name1);
    LLStringUtil::toUpper(name2);

    return name1 < name2;
}

bool LLBlockListNameTypeComparator::doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const
{
    LLMute::EType type1 = blocked_item1->getType();
    LLMute::EType type2 = blocked_item2->getType();

    // if mute type is LLMute::BY_NAME or LLMute::OBJECT it means that this mute is an object
    bool both_mutes_are_objects = (LLMute::OBJECT == type1 || LLMute::BY_NAME == type1) && (LLMute::OBJECT == type2 || LLMute::BY_NAME == type2);

    // mute types may be different, but since both LLMute::BY_NAME and LLMute::OBJECT types represent objects
    // it's needed to perform additional checking of both_mutes_are_objects variable
    if (type1 != type2 && !both_mutes_are_objects)
    {
        // objects in block list go first, so return true if mute type is not an avatar
        return LLMute::AGENT != type1;
    }

    return NAME_COMPARATOR.compare(blocked_item1, blocked_item2);
}