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/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.browser;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class FolderTileView extends ViewGroup {
// created in the constructor
private View mInnerLayout;
private TextView mTextView;
private TextView mLabelView;
private int mPaddingLeft = 0;
private int mPaddingTop = 0;
private int mPaddingRight = 0;
private int mPaddingBottom = 0;
// runtime params set on Layout
private int mCurrentWidth;
private int mCurrentHeight;
// static objects, to be recycled amongst instances (this is an optimization)
private static Paint sBackgroundPaint;
private String mText;
private String mLabel;
/* XML constructors */
public FolderTileView(Context context) {
super(context);
xmlInit(null, 0);
}
public FolderTileView(Context context, AttributeSet attrs) {
super(context, attrs);
xmlInit(attrs, 0);
}
public FolderTileView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
xmlInit(attrs, defStyle);
}
/* Programmatic Constructors */
public FolderTileView(Context context, String text, String label) {
super(context);
mText = text;
mLabel = label;
init();
}
/**
* Replaces the main text of the bookmark tile
*/
public void setText(String text) {
mText = text;
if (mTextView != null)
mTextView.setText(mText);
}
/**
* Replaces the subtitle, for example "32 items"
*/
public void setLabel(String label) {
mLabel = label;
if (mLabelView != null)
mLabelView.setText(mLabel);
}
/* private stuff ahead */
private void xmlInit(AttributeSet attrs, int defStyle) {
// load attributes
final TypedArray a = getContext().obtainStyledAttributes(attrs,
R.styleable.FolderTileView, defStyle, 0);
// saves the text for later
setText(a.getString(R.styleable.FolderTileView_android_text));
// saves the label for later
setLabel(a.getString(R.styleable.FolderTileView_android_label));
// delete attribute resolution
a.recycle();
// proceed with real initialization
init();
}
private void init() {
// create new Views for us from the XML (and automatically add them)
inflate(getContext(), R.layout.folder_tile_view, this);
// we make the assumption that the XML file will always have 1 and only 1 child
mInnerLayout = getChildAt(0);
mInnerLayout.setVisibility(View.VISIBLE);
// reference objects
mTextView = (TextView) mInnerLayout.findViewById(android.R.id.text1);
if (mText != null && !mText.isEmpty())
mTextView.setText(mText);
mLabelView = (TextView) mInnerLayout.findViewById(android.R.id.text2);
if (mLabel != null && !mLabel.isEmpty())
mLabelView.setText(mLabel);
// load the common statics, also for the SiteTileView if needed
final Resources resources = getResources();
SiteTileView.ensureCommonLoaded(resources);
ensureCommonLoaded(resources);
// get the padding rect from the Tile View (to stay synced in size)
final Rect padding = SiteTileView.getBackgroundDrawablePadding();
mPaddingLeft = padding.left;
mPaddingTop = padding.top;
mPaddingRight = padding.right;
mPaddingBottom = padding.bottom;
// we'll draw our background (usually ViewGroups don't)
setWillNotDraw(false);
}
private static void ensureCommonLoaded(Resources r) {
if (sBackgroundPaint != null)
return;
// shared tiles background paint
sBackgroundPaint = new Paint();
sBackgroundPaint.setColor(r.getColor(R.color.FolderTileBackground));
sBackgroundPaint.setAntiAlias(true);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// layout the xml inflated contents
if (mInnerLayout != null) {
final int desiredWidth = MeasureSpec.getSize(widthMeasureSpec);
final int desiredHeight = MeasureSpec.getSize(heightMeasureSpec);
if (desiredHeight > 0 || desiredHeight > 0)
mInnerLayout.measure(
MeasureSpec.EXACTLY | desiredWidth - mPaddingLeft - mPaddingRight,
MeasureSpec.EXACTLY | desiredHeight - mPaddingTop - mPaddingBottom);
else
mInnerLayout.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
// update current params
mCurrentWidth = right - left;
mCurrentHeight = bottom - top;
// layout the inflated XML layout using the same Padding as the SiteTileView
if (mInnerLayout != null)
mInnerLayout.layout(mPaddingLeft, mPaddingTop,
mCurrentWidth - mPaddingRight, mCurrentHeight - mPaddingBottom);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
final int left = mPaddingLeft;
final int top = mPaddingTop;
final int right = mCurrentWidth - mPaddingRight;
final int bottom = mCurrentHeight - mPaddingBottom;
// draw the background rectangle
float roundedRadius = SiteTileView.sRoundedRadius;
if (roundedRadius >= 1.) {
SiteTileView.sRectF.set(left, top, right, bottom);
canvas.drawRoundRect(SiteTileView.sRectF, roundedRadius, roundedRadius, sBackgroundPaint);
} else
canvas.drawRect(left, top, right, bottom, sBackgroundPaint);
}
}
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