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package com.android.camera.ui;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Rect;
import android.view.animation.Transformation;
import com.android.camera.R;
import javax.microedition.khronos.opengles.GL11;
public class GLOptionItem extends GLView {
private static final int FONT_COLOR = Color.WHITE;
private static final int MINIMAL_WIDTH = 180;
private static final int MINIMAL_HEIGHT = 48;
private static final int NO_ICON_LEADING_SPACE = 15;
private static final int TEXT_LEFT_PADDING = 9;
private static final int TEXT_RIGHT_PADDING = 15;
private static final float ENABLED_ALPHA = 1f;
private static final float DISABLED_ALPHA = 0.3f;
private static ResourceTexture sCheckOn;
private static ResourceTexture sCheckOff;
private final ResourceTexture mIcon;
private final StringTexture mText;
private boolean mEnabled = true;
private ResourceTexture mCheckBox;
private static void initCheckIcons(Context context) {
if (sCheckOn != null) return;
sCheckOn = new ResourceTexture(context, R.drawable.ic_menuselect_on);
sCheckOff = new ResourceTexture(context, R.drawable.ic_menuselect_off);
}
public GLOptionItem(Context context, int iconId, String title) {
initCheckIcons(context);
mIcon = iconId == 0 ? null : new ResourceTexture(context, iconId);
mText = StringTexture.newInstance(title, 26, FONT_COLOR);
mCheckBox = sCheckOff;
}
@Override
protected void onMeasure(int widthSpec, int heightSpec) {
int width = (mIcon == null ? NO_ICON_LEADING_SPACE : mIcon.getWidth())
+ mText.getWidth() + mCheckBox.getWidth()
+ TEXT_RIGHT_PADDING + TEXT_LEFT_PADDING;
int height = Math.max(Math.max(mIcon == null ? 0 : mIcon.getHeight(),
mText.getHeight()), mCheckBox.getHeight());
width = Math.max(MINIMAL_WIDTH, width);
height = Math.max(MINIMAL_HEIGHT, height);
new MeasureHelper(this)
.setPreferedContentSize(width, height)
.measure(widthSpec, heightSpec);
}
@Override
protected void render(GLRootView root, GL11 gl) {
Rect p = mPaddings;
int width = getWidth() - p.left - p.right;
int height = getHeight() - p.top - p.bottom;
int xoffset = p.left;
Transformation trans = root.getTransformation();
float oldAlpha = trans.getAlpha();
trans.setAlpha(oldAlpha * (mEnabled ? ENABLED_ALPHA : DISABLED_ALPHA));
ResourceTexture icon = mIcon;
if (icon != null) {
if (icon.bind(root, gl)) {
icon.draw(root, xoffset,
p.top + (height - icon.getHeight()) / 2);
}
xoffset += icon.getWidth();
} else {
xoffset += NO_ICON_LEADING_SPACE;
}
StringTexture title = mText;
xoffset += TEXT_LEFT_PADDING;
if (title.bind(root, gl)) {
int yoffset = p.top + (height - title.getHeight()) / 2;
//TODO: cut the text if it is too long
title.draw(root, xoffset, yoffset);
}
ResourceTexture checkbox = mCheckBox;
if (checkbox.bind(root, gl)) {
int yoffset = p.top + (height - checkbox.getHeight()) / 2;
checkbox.draw(root, width - checkbox.getWidth(), yoffset);
}
trans.setAlpha(oldAlpha);
}
public void setChecked(boolean checked) {
mCheckBox = checked ? sCheckOn : sCheckOff;
invalidate();
}
public void setEnabled(boolean enabled) {
if (mEnabled == enabled) return;
mEnabled = enabled;
invalidate();
}
}
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