| /* |
| * Copyright (C) 2016 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.settingslib; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.drawable.Drawable; |
| import android.text.style.ImageSpan; |
| |
| /** |
| * An extension of ImageSpan which adds a padding before the image. |
| */ |
| public class RestrictedLockImageSpan extends ImageSpan { |
| private Context mContext; |
| private final float mExtraPadding; |
| private final Drawable mRestrictedPadlock; |
| |
| public RestrictedLockImageSpan(Context context) { |
| // we are overriding getDrawable, so passing null to super class here. |
| super((Drawable) null); |
| |
| mContext = context; |
| mExtraPadding = mContext.getResources().getDimensionPixelSize( |
| R.dimen.restricted_icon_padding); |
| mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(mContext); |
| } |
| |
| @Override |
| public Drawable getDrawable() { |
| return mRestrictedPadlock; |
| } |
| |
| @Override |
| public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, |
| int bottom, Paint paint) { |
| Drawable drawable = getDrawable(); |
| canvas.save(); |
| |
| // Add extra padding before the padlock. |
| float transX = x + mExtraPadding; |
| float transY = (bottom - drawable.getBounds().bottom) / 2.0f; |
| |
| canvas.translate(transX, transY); |
| drawable.draw(canvas); |
| canvas.restore(); |
| } |
| |
| @Override |
| public int getSize(Paint paint, CharSequence text, int start, int end, |
| Paint.FontMetricsInt fontMetrics) { |
| int size = super.getSize(paint, text, start, end, fontMetrics); |
| size += 2 * mExtraPadding; |
| return size; |
| } |
| } |