Revert "Initial checkin of AOSP Messaging app."
This reverts commit 461a34b466.
Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078
This commit is contained in:
Mike Dodd
@@ -1,232 +0,0 @@
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/*
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* Copyright (C) 2015 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.messaging.ui;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import com.android.messaging.util.OsUtil;
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import com.android.messaging.util.UiUtils;
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import java.util.ArrayList;
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/**
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* A line-wrapping flow layout. Arranges children in horizontal flow, packing as many
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* child views as possible on each line. When the current line does not
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* have enough horizontal space, the layout continues on the next line.
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*/
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public class LineWrapLayout extends ViewGroup {
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public LineWrapLayout(Context context) {
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this(context, null);
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}
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public LineWrapLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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final int startPadding = UiUtils.getPaddingStart(this);
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final int endPadding = UiUtils.getPaddingEnd(this);
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final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
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final int widthSize = MeasureSpec.getSize(widthMeasureSpec) - startPadding - endPadding;
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final boolean isFixedSize = (widthMode == MeasureSpec.EXACTLY);
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int height = 0;
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int childCount = getChildCount();
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int childWidthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.AT_MOST);
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int x = startPadding;
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int currLineWidth = 0;
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int currLineHeight = 0;
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int maxLineWidth = 0;
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for (int i = 0; i < childCount; i++) {
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View currChild = getChildAt(i);
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if (currChild.getVisibility() == GONE) {
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continue;
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}
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LayoutParams layoutParams = (LayoutParams) currChild.getLayoutParams();
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int startMargin = layoutParams.getStartMargin();
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int endMargin = layoutParams.getEndMargin();
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currChild.measure(childWidthSpec, MeasureSpec.UNSPECIFIED);
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int childMeasuredWidth = currChild.getMeasuredWidth() + startMargin + endMargin;
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int childMeasuredHeight = currChild.getMeasuredHeight() + layoutParams.topMargin +
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layoutParams.bottomMargin;
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if ((x + childMeasuredWidth) > widthSize) {
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// New line. Update the overall height and reset trackers.
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height += currLineHeight;
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currLineHeight = 0;
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x = startPadding;
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currLineWidth = 0;
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startMargin = 0;
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}
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x += childMeasuredWidth;
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currLineWidth += childMeasuredWidth;
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currLineHeight = Math.max(currLineHeight, childMeasuredHeight);
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maxLineWidth = Math.max(currLineWidth, maxLineWidth);
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}
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// And account for the height of the last line.
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height += currLineHeight;
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int width = isFixedSize ? widthSize : maxLineWidth;
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setMeasuredDimension(width + startPadding + endPadding,
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height + getPaddingTop() + getPaddingBottom());
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}
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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final int startPadding = UiUtils.getPaddingStart(this);
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final int endPadding = UiUtils.getPaddingEnd(this);
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int width = getWidth() - startPadding - endPadding;
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int y = getPaddingTop();
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int x = startPadding;
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int childCount = getChildCount();
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int currLineHeight = 0;
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// Do a dry-run first to get the line heights.
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final ArrayList<Integer> lineHeights = new ArrayList<Integer>();
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for (int i = 0; i < childCount; i++) {
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View currChild = getChildAt(i);
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if (currChild.getVisibility() == GONE) {
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continue;
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}
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LayoutParams layoutParams = (LayoutParams) currChild.getLayoutParams();
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int childWidth = currChild.getMeasuredWidth();
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int childHeight = currChild.getMeasuredHeight();
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int startMargin = layoutParams.getStartMargin();
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int endMargin = layoutParams.getEndMargin();
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if ((x + childWidth + startMargin + endMargin) > width) {
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// new line
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lineHeights.add(currLineHeight);
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currLineHeight = 0;
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x = startPadding;
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startMargin = 0;
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}
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currLineHeight = Math.max(currLineHeight, childHeight + layoutParams.topMargin +
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layoutParams.bottomMargin);
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x += childWidth + startMargin + endMargin;
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}
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// Add the last line height.
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lineHeights.add(currLineHeight);
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// Now perform the actual layout.
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x = startPadding;
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currLineHeight = 0;
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int lineIndex = 0;
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for (int i = 0; i < childCount; i++) {
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View currChild = getChildAt(i);
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if (currChild.getVisibility() == GONE) {
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continue;
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}
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LayoutParams layoutParams = (LayoutParams) currChild.getLayoutParams();
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int childWidth = currChild.getMeasuredWidth();
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int childHeight = currChild.getMeasuredHeight();
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int startMargin = layoutParams.getStartMargin();
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int endMargin = layoutParams.getEndMargin();
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if ((x + childWidth + startMargin + endMargin) > width) {
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// new line
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y += currLineHeight;
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currLineHeight = 0;
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x = startPadding;
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startMargin = 0;
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lineIndex++;
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}
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final int startPositionX = x + startMargin;
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int startPositionY = y + layoutParams.topMargin; // default to top gravity
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final int majorGravity = layoutParams.gravity & Gravity.VERTICAL_GRAVITY_MASK;
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if (majorGravity != Gravity.TOP && lineHeights.size() > lineIndex) {
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final int lineHeight = lineHeights.get(lineIndex);
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switch (majorGravity) {
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case Gravity.BOTTOM:
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startPositionY = y + lineHeight - childHeight - layoutParams.bottomMargin;
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break;
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case Gravity.CENTER_VERTICAL:
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startPositionY = y + (lineHeight - childHeight) / 2;
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break;
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}
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}
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if (OsUtil.isAtLeastJB_MR2() && getResources().getConfiguration()
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.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
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currChild.layout(width - startPositionX - childWidth, startPositionY,
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width - startPositionX, startPositionY + childHeight);
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} else {
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currChild.layout(startPositionX, startPositionY, startPositionX + childWidth,
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startPositionY + childHeight);
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}
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currLineHeight = Math.max(currLineHeight, childHeight + layoutParams.topMargin +
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layoutParams.bottomMargin);
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x += childWidth + startMargin + endMargin;
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}
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}
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@Override
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protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
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return new LayoutParams(p);
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}
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@Override
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public LayoutParams generateLayoutParams(AttributeSet attrs) {
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return new LayoutParams(getContext(), attrs);
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}
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@Override
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protected LayoutParams generateDefaultLayoutParams() {
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return new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
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}
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public static final class LayoutParams extends FrameLayout.LayoutParams {
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public LayoutParams(Context c, AttributeSet attrs) {
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super(c, attrs);
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}
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public LayoutParams(int width, int height) {
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super(width, height);
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}
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public LayoutParams(ViewGroup.LayoutParams source) {
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super(source);
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}
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public int getStartMargin() {
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if (OsUtil.isAtLeastJB_MR2()) {
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return getMarginStart();
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} else {
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return leftMargin;
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}
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}
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public int getEndMargin() {
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if (OsUtil.isAtLeastJB_MR2()) {
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return getMarginEnd();
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} else {
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return rightMargin;
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}
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}
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}
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}
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