70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settingslib;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.drawable.Drawable;
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import android.text.style.ImageSpan;
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/**
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* An extension of ImageSpan which adds a padding before the image.
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*/
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public class RestrictedLockImageSpan extends ImageSpan {
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private Context mContext;
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private final float mExtraPadding;
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private final Drawable mRestrictedPadlock;
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public RestrictedLockImageSpan(Context context) {
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// we are overriding getDrawable, so passing null to super class here.
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super((Drawable) null);
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mContext = context;
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mExtraPadding = mContext.getResources().getDimensionPixelSize(
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R.dimen.restricted_icon_padding);
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mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(mContext);
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}
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@Override
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public Drawable getDrawable() {
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return mRestrictedPadlock;
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}
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@Override
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public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y,
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int bottom, Paint paint) {
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Drawable drawable = getDrawable();
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canvas.save();
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// Add extra padding before the padlock.
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float transX = x + mExtraPadding;
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float transY = (bottom - drawable.getBounds().bottom) / 2.0f;
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canvas.translate(transX, transY);
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drawable.draw(canvas);
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canvas.restore();
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}
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@Override
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public int getSize(Paint paint, CharSequence text, int start, int end,
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Paint.FontMetricsInt fontMetrics) {
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int size = super.getSize(paint, text, start, end, fontMetrics);
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size += 2 * mExtraPadding;
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return size;
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}
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} |