/*
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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.settings.display;
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import android.content.Context;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.PorterDuff;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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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 android.widget.LinearLayout;
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import android.widget.TextView;
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import com.android.settings.R;
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/**
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* The view for a single entry in a conversation. This is a simplified version of
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* com.android.messaging.ui.conversation.ConversationMessageView class.
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*/
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public class ConversationMessageView extends FrameLayout {
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private final boolean mIncoming;
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private final CharSequence mMessageText;
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private final CharSequence mTimestampText;
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private final CharSequence mIconText;
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private final int mIconTextColor;
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private final int mIconBackgroundColor;
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private LinearLayout mMessageBubble;
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private ViewGroup mMessageTextAndInfoView;
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private TextView mMessageTextView;
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private TextView mStatusTextView;
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private TextView mContactIconView;
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public ConversationMessageView(Context context) {
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this(context, null);
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}
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public ConversationMessageView(final Context context, final AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public ConversationMessageView(Context context, AttributeSet attrs, int defStyleAttr) {
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this(context, attrs, defStyleAttr, 0);
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}
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public ConversationMessageView(Context context, AttributeSet attrs, int defStyleAttr,
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int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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final TypedArray a = context.obtainStyledAttributes(attrs,
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R.styleable.ConversationMessageView);
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mIncoming = a.getBoolean(R.styleable.ConversationMessageView_incoming, true);
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mMessageText = a.getString(R.styleable.ConversationMessageView_messageText);
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mTimestampText = a.getString(R.styleable.ConversationMessageView_timestampText);
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mIconText = a.getString(R.styleable.ConversationMessageView_iconText);
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mIconTextColor = a.getColor(R.styleable.ConversationMessageView_iconTextColor, 0);
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mIconBackgroundColor = a.getColor(R.styleable.ConversationMessageView_iconBackgroundColor,
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0);
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a.recycle();
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LayoutInflater.from(context).inflate(R.layout.conversation_message_icon, this);
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LayoutInflater.from(context).inflate(R.layout.conversation_message_content, this);
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}
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@Override
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protected void onFinishInflate() {
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mMessageBubble = (LinearLayout) findViewById(R.id.message_content);
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mMessageTextAndInfoView = (ViewGroup) findViewById(R.id.message_text_and_info);
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mMessageTextView = (TextView) findViewById(R.id.message_text);
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mStatusTextView = (TextView) findViewById(R.id.message_status);
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mContactIconView = (TextView) findViewById(R.id.conversation_icon);
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updateViewContent();
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}
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@Override
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protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
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updateViewAppearance();
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final int horizontalSpace = MeasureSpec.getSize(widthMeasureSpec);
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final int unspecifiedMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
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int iconMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
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mContactIconView.measure(iconMeasureSpec, iconMeasureSpec);
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iconMeasureSpec = MeasureSpec.makeMeasureSpec(
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Math.max(mContactIconView.getMeasuredWidth(), mContactIconView.getMeasuredHeight()),
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MeasureSpec.EXACTLY);
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mContactIconView.measure(iconMeasureSpec, iconMeasureSpec);
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final int arrowWidth =
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getResources().getDimensionPixelSize(R.dimen.message_bubble_arrow_width);
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// We need to subtract contact icon width twice from the horizontal space to get
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// the max leftover space because we want the message bubble to extend no further than the
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// starting position of the message bubble in the opposite direction.
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final int maxLeftoverSpace = horizontalSpace - mContactIconView.getMeasuredWidth() * 2
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- arrowWidth - getPaddingLeft() - getPaddingRight();
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final int messageContentWidthMeasureSpec = MeasureSpec.makeMeasureSpec(maxLeftoverSpace,
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MeasureSpec.AT_MOST);
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mMessageBubble.measure(messageContentWidthMeasureSpec, unspecifiedMeasureSpec);
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final int maxHeight = Math.max(mContactIconView.getMeasuredHeight(),
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mMessageBubble.getMeasuredHeight());
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setMeasuredDimension(horizontalSpace, maxHeight + getPaddingBottom() + getPaddingTop());
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}
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@Override
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protected void onLayout(final boolean changed, final int left, final int top, final int right,
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final int bottom) {
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final boolean isRtl = isLayoutRtl(this);
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final int iconWidth = mContactIconView.getMeasuredWidth();
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final int iconHeight = mContactIconView.getMeasuredHeight();
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final int iconTop = getPaddingTop();
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final int contentWidth = (right -left) - iconWidth - getPaddingLeft() - getPaddingRight();
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final int contentHeight = mMessageBubble.getMeasuredHeight();
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final int contentTop = iconTop;
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final int iconLeft;
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final int contentLeft;
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if (mIncoming) {
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if (isRtl) {
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iconLeft = (right - left) - getPaddingRight() - iconWidth;
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contentLeft = iconLeft - contentWidth;
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} else {
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iconLeft = getPaddingLeft();
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contentLeft = iconLeft + iconWidth;
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}
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} else {
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if (isRtl) {
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iconLeft = getPaddingLeft();
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contentLeft = iconLeft + iconWidth;
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} else {
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iconLeft = (right - left) - getPaddingRight() - iconWidth;
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contentLeft = iconLeft - contentWidth;
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}
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}
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mContactIconView.layout(iconLeft, iconTop, iconLeft + iconWidth, iconTop + iconHeight);
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mMessageBubble.layout(contentLeft, contentTop, contentLeft + contentWidth,
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contentTop + contentHeight);
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}
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private static boolean isLayoutRtl(final View view) {
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return View.LAYOUT_DIRECTION_RTL == view.getLayoutDirection();
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}
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private void updateViewContent() {
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mMessageTextView.setText(mMessageText);
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mStatusTextView.setText(mTimestampText);
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mContactIconView.setText(mIconText);
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mContactIconView.setTextColor(mIconTextColor);
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final Drawable iconBase = getContext().getDrawable(R.drawable.conversation_message_icon);
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mContactIconView
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.setBackground(getTintedDrawable(getContext(), iconBase, mIconBackgroundColor));
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}
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private void updateViewAppearance() {
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final Resources res = getResources();
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final int arrowWidth = res.getDimensionPixelOffset(
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R.dimen.message_bubble_arrow_width);
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final int messageTextLeftRightPadding = res.getDimensionPixelOffset(
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R.dimen.message_text_left_right_padding);
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final int textTopPadding = res.getDimensionPixelOffset(
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R.dimen.message_text_top_padding);
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final int textBottomPadding = res.getDimensionPixelOffset(
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R.dimen.message_text_bottom_padding);
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final int textLeftPadding, textRightPadding;
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if (mIncoming) {
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textLeftPadding = messageTextLeftRightPadding + arrowWidth;
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textRightPadding = messageTextLeftRightPadding;
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} else {
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textLeftPadding = messageTextLeftRightPadding;
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textRightPadding = messageTextLeftRightPadding + arrowWidth;
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}
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// These values do not depend on whether the message includes attachments
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final int gravity = mIncoming ? (Gravity.START | Gravity.CENTER_VERTICAL) :
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(Gravity.END | Gravity.CENTER_VERTICAL);
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final int messageTopPadding = res.getDimensionPixelSize(
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R.dimen.message_padding_default);
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final int metadataTopPadding = res.getDimensionPixelOffset(
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R.dimen.message_metadata_top_padding);
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// Update the message text/info views
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final int bubbleDrawableResId = mIncoming ? R.drawable.msg_bubble_incoming
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: R.drawable.msg_bubble_outgoing;
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final int bubbleColorResId = mIncoming ? R.color.message_bubble_incoming
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: R.color.message_bubble_outgoing;
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final Context context = getContext();
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final Drawable textBackgroundDrawable = getTintedDrawable(context,
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context.getDrawable(bubbleDrawableResId),
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context.getColor(bubbleColorResId));
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mMessageTextAndInfoView.setBackground(textBackgroundDrawable);
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if (isLayoutRtl(this)) {
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// Need to switch right and left padding in RtL mode
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mMessageTextAndInfoView.setPadding(textRightPadding,
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textTopPadding + metadataTopPadding,
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textLeftPadding, textBottomPadding);
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} else {
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mMessageTextAndInfoView.setPadding(textLeftPadding,
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textTopPadding + metadataTopPadding,
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textRightPadding, textBottomPadding);
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}
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// Update the message row and message bubble views
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setPadding(getPaddingLeft(), messageTopPadding, getPaddingRight(), 0);
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mMessageBubble.setGravity(gravity);
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updateTextAppearance();
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}
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private void updateTextAppearance() {
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final int messageColorResId = (mIncoming ? R.color.message_text_incoming
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: R.color.message_text_outgoing);
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final int timestampColorResId = mIncoming ? R.color.timestamp_text_incoming
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: R.color.timestamp_text_outgoing;
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final int messageColor = getContext().getColor(messageColorResId);
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mMessageTextView.setTextColor(messageColor);
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mMessageTextView.setLinkTextColor(messageColor);
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mStatusTextView.setTextColor(timestampColorResId);
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}
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private static Drawable getTintedDrawable(final Context context, final Drawable drawable,
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final int color) {
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// For some reason occasionally drawables on JB has a null constant state
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final Drawable.ConstantState constantStateDrawable = drawable.getConstantState();
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final Drawable retDrawable = (constantStateDrawable != null)
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? constantStateDrawable.newDrawable(context.getResources()).mutate()
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: drawable;
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retDrawable.setColorFilter(color, PorterDuff.Mode.SRC_ATOP);
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return retDrawable;
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}
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}
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