The Tor Browser / file comparison
comparison: mobile/android/base/widget/FlowLayout.java
mobile/android/base/widget/FlowLayout.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:44bfc4ff9b55 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.widget; | |
| 6 | |
| 7 import org.mozilla.gecko.R; | |
| 8 | |
| 9 import android.content.Context; | |
| 10 import android.content.res.TypedArray; | |
| 11 import android.util.AttributeSet; | |
| 12 import android.view.View; | |
| 13 import android.view.ViewGroup; | |
| 14 | |
| 15 public class FlowLayout extends ViewGroup { | |
| 16 private int mSpacing; | |
| 17 | |
| 18 public FlowLayout(Context context) { | |
| 19 super(context); | |
| 20 } | |
| 21 | |
| 22 public FlowLayout(Context context, AttributeSet attrs) { | |
| 23 super(context, attrs); | |
| 24 TypedArray a = context.obtainStyledAttributes(attrs, org.mozilla.gecko.R.styleable.FlowLayout); | |
| 25 mSpacing = a.getDimensionPixelSize(R.styleable.FlowLayout_spacing, (int) context.getResources().getDimension(R.dimen.flow_layout_spacing)); | |
| 26 a.recycle(); | |
| 27 } | |
| 28 | |
| 29 @Override | |
| 30 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | |
| 31 final int parentWidth = MeasureSpec.getSize(widthMeasureSpec); | |
| 32 final int childCount = getChildCount(); | |
| 33 int rowWidth = 0; | |
| 34 int totalWidth = 0; | |
| 35 int totalHeight = 0; | |
| 36 boolean firstChild = true; | |
| 37 | |
| 38 for (int i = 0; i < childCount; i++) { | |
| 39 final View child = getChildAt(i); | |
| 40 if (child.getVisibility() == GONE) | |
| 41 continue; | |
| 42 | |
| 43 measureChild(child, widthMeasureSpec, heightMeasureSpec); | |
| 44 | |
| 45 final int childWidth = child.getMeasuredWidth(); | |
| 46 final int childHeight = child.getMeasuredHeight(); | |
| 47 | |
| 48 if (firstChild || (rowWidth + childWidth > parentWidth)) { | |
| 49 rowWidth = 0; | |
| 50 totalHeight += childHeight; | |
| 51 if (!firstChild) | |
| 52 totalHeight += mSpacing; | |
| 53 firstChild = false; | |
| 54 } | |
| 55 | |
| 56 rowWidth += childWidth; | |
| 57 | |
| 58 if (rowWidth > totalWidth) | |
| 59 totalWidth = rowWidth; | |
| 60 | |
| 61 rowWidth += mSpacing; | |
| 62 } | |
| 63 | |
| 64 setMeasuredDimension(totalWidth, totalHeight); | |
| 65 } | |
| 66 | |
| 67 @Override | |
| 68 protected void onLayout(boolean changed, int l, int t, int r, int b) { | |
| 69 final int childCount = getChildCount(); | |
| 70 final int totalWidth = r - l; | |
| 71 int x = 0; | |
| 72 int y = 0; | |
| 73 int prevChildHeight = 0; | |
| 74 | |
| 75 for (int i = 0; i < childCount; i++) { | |
| 76 final View child = getChildAt(i); | |
| 77 if (child.getVisibility() == GONE) | |
| 78 continue; | |
| 79 | |
| 80 final int childWidth = child.getMeasuredWidth(); | |
| 81 final int childHeight = child.getMeasuredHeight(); | |
| 82 if (x + childWidth > totalWidth) { | |
| 83 x = 0; | |
| 84 y += prevChildHeight + mSpacing; | |
| 85 } | |
| 86 prevChildHeight = childHeight; | |
| 87 child.layout(x, y, x + childWidth, y + childHeight); | |
| 88 x += childWidth + mSpacing; | |
| 89 } | |
| 90 } | |
| 91 } |
