/*
 * Copyright (c) 2007, Haiku, Inc.
 * Distributed under the terms of the MIT license.
 *
 * Author:
 *              Łukasz 'Sil2100' Zemczak <sil2100@vexillium.org>
 */


#include "PackageImageViewer.h"

#include <BitmapStream.h>
#include <Catalog.h>
#include <Locale.h>
#include <Message.h>
#include <Screen.h>
#include <TranslatorRoster.h>


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "PackageImageViewer"


ImageView::ImageView(BPositionIO* imageIO)
        :
        BView(BRect(0, 0, 1, 1), "image_view", B_FOLLOW_NONE, B_WILL_DRAW),
        fImage(NULL)
{
        if (imageIO == NULL)
                return;

        // Initialize and translate the image
        BTranslatorRoster* roster = BTranslatorRoster::Default();
        BBitmapStream stream;
        if (roster->Translate(imageIO, NULL, NULL, &stream, B_TRANSLATOR_BITMAP)
                        != B_OK) {
                return;
        }
        stream.DetachBitmap(&fImage);
}


ImageView::~ImageView()
{
        delete fImage;
}


void
ImageView::AttachedToWindow()
{
        if (fImage == NULL) {
                ResizeTo(75, 75);
                return;
        }

        // We need to resize the view depending on what size has the screen and
        // the image we will be viewing
        BScreen screen(Window());
        BRect frame = screen.Frame();
        BRect image = fImage->Bounds();

        if (image.Width() > (frame.Width() - 100.0f))
                image.right = frame.Width() - 100.0f;
        if (image.Height() > (frame.Height() - 100.0f))
                image.bottom = frame.Height() - 100.f;

        ResizeTo(image.Width(), image.Height());
}


void
ImageView::Draw(BRect updateRect)
{
        if (fImage != NULL)
                DrawBitmapAsync(fImage, Bounds());
        else {
                const char* message = B_TRANSLATE("Image not loaded correctly");
                float width = StringWidth(message);
                DrawString(message, BPoint((Bounds().Width() - width) / 2.0f, 30.0f));
        }
}


void
ImageView::MouseUp(BPoint point)
{
        BWindow* window = Window();
        if (window != NULL)
                window->PostMessage(B_QUIT_REQUESTED);
}


// #pragma mark -


PackageImageViewer::PackageImageViewer(BPositionIO* imageIO)
        :
        BlockingWindow(BRect(100, 100, 100, 100), "")
{
        fBackground = new ImageView(imageIO);
        AddChild(fBackground);

        ResizeTo(fBackground->Bounds().Width(), fBackground->Bounds().Height());

        BScreen screen(this);
        BRect frame = screen.Frame();
        MoveTo((frame.Width() - Bounds().Width()) / 2.0f,
                (frame.Height() - Bounds().Height()) / 2.0f);
}