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package com.android.camera.ui;
import android.content.Context;
import android.graphics.Color;
import com.android.camera.R;
import com.android.camera.ui.ZoomController.ZoomListener;
import java.text.DecimalFormat;
public class ZoomIndicator extends AbstractIndicator {
private static final DecimalFormat sZoomFormat = new DecimalFormat("#.#x");
private static final float FONT_SIZE = 18;
private static final int FONT_COLOR = Color.WHITE;
protected static final String TAG = "ZoomIndicator";
private final float mFontSize;
private ZoomController mZoomController;
private LinearLayout mPopupContent;
private ZoomListener mZoomListener;
private int mZoomIndex = 0;
private float mZoomRatios[];
private StringTexture mTitle;
private float mZoom = 1.0f;
public ZoomIndicator(Context context) {
super(context);
mFontSize = GLRootView.dpToPixel(context, FONT_SIZE);
mTitle = StringTexture.newInstance(
sZoomFormat.format(mZoom), mFontSize, FONT_COLOR);
}
@Override
protected void onMeasure(int widthSpec, int heightSpec) {
new MeasureHelper(this)
.setPreferredContentSize(mTitle.getWidth(), mTitle.getHeight())
.measure(widthSpec, heightSpec);
}
@Override
protected Texture getIcon() {
return mTitle;
}
@Override
public GLView getPopupContent() {
if (mZoomController == null) {
Context context = getGLRootView().getContext();
mZoomController = new ZoomController(context);
mZoomController.setAvailableZoomRatios(mZoomRatios);
mZoomController.setPaddings(15, 6, 15, 6);
mPopupContent = new LinearLayout();
GLOptionHeader header = new GLOptionHeader(context,
context.getString(R.string.zoom_control_title));
header.setBackground(new NinePatchTexture(
context, R.drawable.optionheader_background));
header.setPaddings(6, 3, 6, 3);
mPopupContent.addComponent(header);
mPopupContent.addComponent(mZoomController);
mZoomController.setZoomListener(new MyZoomListener());
mZoomController.setZoomIndex(mZoomIndex);
}
return mPopupContent;
}
@Override
public void overrideSettings(String key, String settings) {
// do nothing
}
public void setZoomRatios(float[] ratios) {
mZoomRatios = ratios;
}
private class MyZoomListener implements ZoomController.ZoomListener {
public void onZoomChanged(int index, float value, boolean isMoving) {
if (mZoomListener != null) {
mZoomListener.onZoomChanged(index, value, isMoving);
}
if (mZoom != value) {
mZoom = value;
mTitle = StringTexture.newInstance(
sZoomFormat.format(value), mFontSize, Color.WHITE);
invalidate();
}
}
}
public void setZoomListener(ZoomListener listener) {
mZoomListener = listener;
}
public void setZoomIndex(int index) {
if (mZoomController != null) {
mZoomController.setZoomIndex(index);
}
mZoomIndex = index;
}
}
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