| /* |
| * Copyright (C) 2009 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; |
| |
| import com.android.gallery.R; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.widget.ImageView; |
| |
| public class IconIndicator extends ImageView { |
| |
| private Drawable[] mIcons; |
| private CharSequence[] mModes; |
| |
| public IconIndicator(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, R.styleable.IconIndicator, defStyle, 0); |
| Drawable icons[] = loadIcons(context.getResources(), |
| a.getResourceId(R.styleable.IconIndicator_icons, 0)); |
| CharSequence modes[] = |
| a.getTextArray(R.styleable.IconIndicator_modes); |
| a.recycle(); |
| |
| setModesAndIcons(modes, icons); |
| setImageDrawable(mIcons.length > 0 ? mIcons[0]: null); |
| } |
| |
| public IconIndicator(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| private Drawable[] loadIcons(Resources resources, int iconsId) { |
| TypedArray array = resources.obtainTypedArray(iconsId); |
| int n = array.length(); |
| Drawable drawable[] = new Drawable[n]; |
| for (int i = 0; i < n; ++i) { |
| int id = array.getResourceId(i, 0); |
| drawable[i] = id == 0 ? null : resources.getDrawable(id); |
| } |
| array.recycle(); |
| return drawable; |
| } |
| |
| private void setModesAndIcons(CharSequence[] modes, Drawable icons[]) { |
| if (modes.length != icons.length || icons.length == 0) { |
| throw new IllegalArgumentException(); |
| } |
| mIcons = icons; |
| mModes = modes; |
| } |
| |
| public void setMode(String mode) { |
| for (int i = 0, n = mModes.length; i < n; ++i) { |
| if (mModes[i].equals(mode)) { |
| setImageDrawable(mIcons[i]); |
| return; |
| } |
| } |
| throw new IllegalArgumentException("unknown mode: " + mode); |
| } |
| } |