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/*
* 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.MediaObject;
import android.content.Context;
public abstract class IconDrawer extends SelectionDrawer {
private static final String TAG = "IconDrawer";
private static final int DARK_STRIP_COLOR = 0x99000000; // 60% black
private final ResourceTexture mLocalSetIcon;
private final ResourceTexture mCameraIcon;
private final ResourceTexture mPicasaIcon;
private final ResourceTexture mMtpIcon;
private final Texture mVideoOverlay;
private final Texture mVideoPlayIcon;
private final int mIconSize;
public static class IconDimension {
int x;
int y;
int width;
int height;
}
public IconDrawer(Context context) {
mLocalSetIcon = new ResourceTexture(context, R.drawable.frame_overlay_gallery_folder);
mCameraIcon = new ResourceTexture(context, R.drawable.frame_overlay_gallery_camera);
mPicasaIcon = new ResourceTexture(context, R.drawable.frame_overlay_gallery_picasa);
mMtpIcon = new ResourceTexture(context, R.drawable.ic_album_overlay_ptp_holo);
mVideoOverlay = new ResourceTexture(context, R.drawable.ic_video_thumb);
mVideoPlayIcon = new ResourceTexture(context, R.drawable.ic_gallery_play);
mIconSize = context.getResources().getDimensionPixelSize(
R.dimen.albumset_icon_size);
}
@Override
public void prepareDrawing() {
}
protected IconDimension drawIcon(GLCanvas canvas, int width, int height,
int dataSourceType) {
ResourceTexture icon = getIcon(dataSourceType);
if (icon != null) {
IconDimension id = getIconDimension(icon, width, height);
icon.draw(canvas, id.x, id.y, id.width, id.height);
return id;
}
return null;
}
protected ResourceTexture getIcon(int dataSourceType) {
ResourceTexture icon = null;
switch (dataSourceType) {
case DATASOURCE_TYPE_LOCAL:
icon = mLocalSetIcon;
break;
case DATASOURCE_TYPE_PICASA:
icon = mPicasaIcon;
break;
case DATASOURCE_TYPE_CAMERA:
icon = mCameraIcon;
break;
case DATASOURCE_TYPE_MTP:
icon = mMtpIcon;
break;
default:
break;
}
return icon;
}
protected IconDimension getIconDimension(ResourceTexture icon, int width,
int height) {
IconDimension id = new IconDimension();
float scale = (float) mIconSize / icon.getWidth();
id.width = Math.round(scale * icon.getWidth());
id.height = Math.round(scale * icon.getHeight());
id.x = -width / 2;
id.y = height / 2 - id.height;
return id;
}
protected void drawVideoOverlay(GLCanvas canvas, int mediaType,
int x, int y, int width, int height, int topIndex) {
if (mediaType != MediaObject.MEDIA_TYPE_VIDEO) return;
// Scale the video overlay to the height of the thumbnail and put it
// on the left side.
float scale = (float) height / mVideoOverlay.getHeight();
int w = Math.round(scale * mVideoOverlay.getWidth());
int h = Math.round(scale * mVideoOverlay.getHeight());
mVideoOverlay.draw(canvas, x, y, w, h);
if (topIndex == 0) {
int side = Math.min(width, height) / 6;
mVideoPlayIcon.draw(canvas, -side / 2, -side / 2, side, side);
}
}
protected void drawDarkStrip(GLCanvas canvas, int width, int height,
int darkStripHeight) {
int x = -width / 2;
int y = (height + 1) / 2 - darkStripHeight;
canvas.fillRect(x, y, width, darkStripHeight, DARK_STRIP_COLOR);
}
@Override
public void drawFocus(GLCanvas canvas, int width, int height) {
}
}
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