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/*
* Copyright (C) 2012 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.camera.ui;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Path;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import java.util.ArrayList;
import java.util.List;
/**
* Pie menu item
*/
public class PieItem {
public static interface OnClickListener {
void onClick(PieItem item);
}
private Drawable mDrawable;
private int level;
private float mCenter;
private float start;
private float sweep;
private float animate;
private int inner;
private int outer;
private boolean mSelected;
private boolean mEnabled;
private List<PieItem> mItems;
private Path mPath;
private OnClickListener mOnClickListener;
private float mAlpha;
// Gray out the view when disabled
private static final float ENABLED_ALPHA = 1;
private static final float DISABLED_ALPHA = (float) 0.3;
private boolean mChangeAlphaWhenDisabled = true;
public PieItem(Drawable drawable, int level) {
mDrawable = drawable;
this.level = level;
if (drawable != null) {
setAlpha(1f);
}
mEnabled = true;
setAnimationAngle(getAnimationAngle());
start = -1;
mCenter = -1;
}
public boolean hasItems() {
return mItems != null;
}
public List<PieItem> getItems() {
return mItems;
}
public void addItem(PieItem item) {
if (mItems == null) {
mItems = new ArrayList<PieItem>();
}
mItems.add(item);
}
public void clearItems() {
mItems = null;
}
public void setPath(Path p) {
mPath = p;
}
public Path getPath() {
return mPath;
}
public void setChangeAlphaWhenDisabled (boolean enable) {
mChangeAlphaWhenDisabled = enable;
}
public void setAlpha(float alpha) {
mAlpha = alpha;
mDrawable.setAlpha((int) (255 * alpha));
}
public void setAnimationAngle(float a) {
animate = a;
}
public float getAnimationAngle() {
return animate;
}
public void setEnabled(boolean enabled) {
mEnabled = enabled;
if (mChangeAlphaWhenDisabled) {
if (mEnabled) {
setAlpha(ENABLED_ALPHA);
} else {
setAlpha(DISABLED_ALPHA);
}
}
}
public boolean isEnabled() {
return mEnabled;
}
public void setSelected(boolean s) {
mSelected = s;
}
public boolean isSelected() {
return mSelected;
}
public int getLevel() {
return level;
}
public void setGeometry(float st, float sw, int inside, int outside) {
start = st;
sweep = sw;
inner = inside;
outer = outside;
}
public void setFixedSlice(float center, float sweep) {
mCenter = center;
this.sweep = sweep;
}
public float getCenter() {
return mCenter;
}
public float getStart() {
return start;
}
public float getStartAngle() {
return start + animate;
}
public float getSweep() {
return sweep;
}
public int getInnerRadius() {
return inner;
}
public int getOuterRadius() {
return outer;
}
public void setOnClickListener(OnClickListener listener) {
mOnClickListener = listener;
}
public void performClick() {
if (mOnClickListener != null) {
mOnClickListener.onClick(this);
}
}
public int getIntrinsicWidth() {
return mDrawable.getIntrinsicWidth();
}
public int getIntrinsicHeight() {
return mDrawable.getIntrinsicHeight();
}
public void setBounds(int left, int top, int right, int bottom) {
mDrawable.setBounds(left, top, right, bottom);
}
public void draw(Canvas canvas) {
mDrawable.draw(canvas);
}
public void setImageResource(Context context, int resId) {
Drawable d = context.getResources().getDrawable(resId).mutate();
d.setBounds(mDrawable.getBounds());
mDrawable = d;
setAlpha(mAlpha);
}
}
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