src/com/android/gallery3d/ui/HighlightDrawer.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.gallery3d.ui;

import com.android.gallery3d.R;
import com.android.gallery3d.data.Path;

import android.content.Context;

public class HighlightDrawer extends IconDrawer {
    private SelectionManager mSelectionManager;
    private Path mHighlightItem;

    public HighlightDrawer(Context context, SelectionManager selectionManager) {
        super(context);
        mSelectionManager = selectionManager;
    }

    public void setHighlightItem(Path item) {
        mHighlightItem = item;
    }

    @Override
    public void draw(GLCanvas canvas, Texture content, int width,
            int height, int rotation, Path path, int topIndex,
            int dataSourceType, int mediaType, boolean isPanorama,
            int labelBackgroundHeight, boolean wantCache, boolean isCaching) {
        int x = -width / 2;
        int y = -height / 2;

        drawWithRotationAndGray(canvas, content, x, y, width, height, rotation,
                topIndex);

        if (((rotation / 90) & 0x01) == 1) {
            int temp = width;
            width = height;
            height = temp;
            x = -width / 2;
            y = -height / 2;
        }

        drawMediaTypeOverlay(canvas, mediaType, isPanorama, x, y, width, height,
                topIndex);

        if (topIndex == 0) {
            drawLabelBackground(canvas, width, height, labelBackgroundHeight);
            drawIcon(canvas, width, height, dataSourceType);
        }

        if (mSelectionManager.isPressedPath(path)) {
            drawPressedFrame(canvas, x, y, width, height);
        } else if (path == mHighlightItem) {
            drawSelectedFrame(canvas, x, y, width, height);
        }
    }
}