/*
 * Copyright 2010-2013 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus, superstippi@gmx.de
 *              Adrien Destugues, pulkomandy@pulkomandy.ath.cx
 *              Axel Dörfler, axeld@pinc-software.de
 *              John Scipione, jscipione@gmail.com
 *              Oliver Tappe, zooey@hirschkaefer.de
 */


#include "TimeZoneListItem.h"

#include <new>

#include <Bitmap.h>
#include <Country.h>
#include <ControlLook.h>
#include <String.h>
#include <TimeZone.h>
#include <Window.h>


static const BString skDefaultString;


TimeZoneListItem::TimeZoneListItem(const char* text, BCountry* country,
        BTimeZone* timeZone)
        :
        BStringItem(text, 0, false),
        fCountry(country),
        fTimeZone(timeZone),
        fIcon(NULL)
{
}


TimeZoneListItem::~TimeZoneListItem()
{
        delete fCountry;
        delete fTimeZone;
        delete fIcon;
}


void
TimeZoneListItem::DrawItem(BView* owner, BRect frame, bool complete)
{
        if (fIcon != NULL && fIcon->IsValid()) {
                float iconSize = fIcon->Bounds().Width();
                _DrawItemWithTextOffset(owner, frame, complete,
                        iconSize + be_control_look->DefaultLabelSpacing());

                BRect iconFrame(frame.left + be_control_look->DefaultLabelSpacing(),
                        frame.top,
                        frame.left + iconSize - 1 + be_control_look->DefaultLabelSpacing(),
                        frame.top + iconSize - 1);
                owner->SetDrawingMode(B_OP_OVER);
                owner->DrawBitmap(fIcon, iconFrame);
                owner->SetDrawingMode(B_OP_COPY);
        } else
                _DrawItemWithTextOffset(owner, frame, complete, 0);
}


void
TimeZoneListItem::Update(BView* owner, const BFont* font)
{
        float oldIconSize = Height();
        BStringItem::Update(owner, font);
        if (!HasCountry())
                return;

        float iconSize = Height();
        if (iconSize == oldIconSize && fIcon != NULL)
                return;

        SetWidth(Width() + iconSize + be_control_look->DefaultLabelSpacing());

        delete fIcon;
        fIcon = new(std::nothrow) BBitmap(BRect(0, 0, iconSize - 1, iconSize - 1),
                B_RGBA32);
        if (fIcon != NULL && fCountry->GetIcon(fIcon) != B_OK) {
                delete fIcon;
                fIcon = NULL;
        }
}


void
TimeZoneListItem::SetCountry(BCountry* country)
{
        delete fCountry;
        fCountry = country;
}


void
TimeZoneListItem::SetTimeZone(BTimeZone* timeZone)
{
        delete fTimeZone;
        fTimeZone = timeZone;
}


const BString&
TimeZoneListItem::ID() const
{
        if (!HasTimeZone())
                return skDefaultString;

        return fTimeZone->ID();
}


const BString&
TimeZoneListItem::Name() const
{
        if (!HasTimeZone())
                return skDefaultString;

        return fTimeZone->Name();
}


int
TimeZoneListItem::OffsetFromGMT() const
{
        if (!HasTimeZone())
                return 0;

        return fTimeZone->OffsetFromGMT();
}


void
TimeZoneListItem::_DrawItemWithTextOffset(BView* owner, BRect frame,
        bool complete, float textOffset)
{
        rgb_color highColor = owner->HighColor();
        rgb_color lowColor = owner->LowColor();

        if (IsSelected() || complete) {
                rgb_color color;
                if (IsSelected())
                        color = ui_color(B_LIST_SELECTED_BACKGROUND_COLOR);
                else
                        color = owner->ViewColor();

                owner->SetHighColor(color);
                owner->SetLowColor(color);
                owner->FillRect(frame);
        } else
                owner->SetLowColor(owner->ViewColor());

        if (!IsEnabled()) {
                rgb_color textColor = ui_color(B_LIST_ITEM_TEXT_COLOR);
                if (textColor.red + textColor.green + textColor.blue > 128 * 3)
                        owner->SetHighColor(tint_color(textColor, B_DARKEN_2_TINT));
                else
                        owner->SetHighColor(tint_color(textColor, B_LIGHTEN_2_TINT));
        } else {
                if (IsSelected())
                        owner->SetHighColor(ui_color(B_LIST_SELECTED_ITEM_TEXT_COLOR));
                else
                        owner->SetHighColor(ui_color(B_LIST_ITEM_TEXT_COLOR));
        }

        owner->MovePenTo(
                frame.left + be_control_look->DefaultLabelSpacing() + textOffset,
                frame.top + BaselineOffset());
        owner->DrawString(Text());

        owner->SetHighColor(highColor);
        owner->SetLowColor(lowColor);
}