/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */

package com.android.internal.widget;

import android.annotation.AttrRes;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StyleRes;
import android.app.Person;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.drawable.Icon;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Pools;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.ViewTreeObserver;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.RemoteViews;
import android.widget.TextView;

import com.android.internal.R;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.List;

/**
 * A message of a {@link MessagingLayout}.
 */
@RemoteViews.RemoteView
public class MessagingGroup extends LinearLayout implements MessagingLinearLayout.MessagingChild {
    private static Pools.SimplePool<MessagingGroup> sInstancePool
            = new Pools.SynchronizedPool<>(10);

    /**
     * Images are displayed inline.
     */
    public static final int IMAGE_DISPLAY_LOCATION_INLINE = 0;

    /**
     * Images are displayed at the end of the group.
     */
    public static final int IMAGE_DISPLAY_LOCATION_AT_END = 1;

    /**
     *     Images are displayed externally.
     */
    public static final int IMAGE_DISPLAY_LOCATION_EXTERNAL = 2;


    private MessagingLinearLayout mMessageContainer;
    ImageFloatingTextView mSenderView;
    private ImageView mAvatarView;
    private View mAvatarContainer;
    private String mAvatarSymbol = "";
    private int mLayoutColor;
    private CharSequence mAvatarName = "";
    private Icon mAvatarIcon;
    private int mTextColor;
    private int mSendingTextColor;
    private List<MessagingMessage> mMessages;
    private ArrayList<MessagingMessage> mAddedMessages = new ArrayList<>();
    private boolean mFirstLayout;
    private boolean mIsHidingAnimated;
    private boolean mNeedsGeneratedAvatar;
    private Person mSender;
    private @ImageDisplayLocation int mImageDisplayLocation;
    private ViewGroup mImageContainer;
    private MessagingImageMessage mIsolatedMessage;
    private boolean mClippingDisabled;
    private Point mDisplaySize = new Point();
    private ProgressBar mSendingSpinner;
    private View mSendingSpinnerContainer;
    private boolean mShowingAvatar = true;
    private CharSequence mSenderName;
    private boolean mSingleLine = false;
    private LinearLayout mContentContainer;
    private int mRequestedMaxDisplayedLines = Integer.MAX_VALUE;
    private int mSenderTextPaddingSingleLine;
    private boolean mIsFirstGroupInLayout = true;
    private boolean mCanHideSenderIfFirst;
    private boolean mIsInConversation = true;
    private ViewGroup mMessagingIconContainer;
    private int mConversationContentStart;
    private int mNonConversationContentStart;
    private int mNonConversationPaddingStart;
    private int mConversationAvatarSize;
    private int mNonConversationAvatarSize;
    private int mNotificationTextMarginTop;

    public MessagingGroup(@NonNull Context context) {
        super(context);
    }

    public MessagingGroup(@NonNull Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
    }

    public MessagingGroup(@NonNull Context context, @Nullable AttributeSet attrs,
            @AttrRes int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public MessagingGroup(@NonNull Context context, @Nullable AttributeSet attrs,
            @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
        mMessageContainer = findViewById(R.id.group_message_container);
        mSenderView = findViewById(R.id.message_name);
        mAvatarView = findViewById(R.id.message_icon);
        mImageContainer = findViewById(R.id.messaging_group_icon_container);
        mSendingSpinner = findViewById(R.id.messaging_group_sending_progress);
        mMessagingIconContainer = findViewById(R.id.message_icon_container);
        mContentContainer = findViewById(R.id.messaging_group_content_container);
        mSendingSpinnerContainer = findViewById(R.id.messaging_group_sending_progress_container);
        Resources res = getResources();
        DisplayMetrics displayMetrics = res.getDisplayMetrics();
        mDisplaySize.x = displayMetrics.widthPixels;
        mDisplaySize.y = displayMetrics.heightPixels;
        mSenderTextPaddingSingleLine = res.getDimensionPixelSize(
                R.dimen.messaging_group_singleline_sender_padding_end);
        mConversationContentStart = res.getDimensionPixelSize(R.dimen.conversation_content_start);
        mNonConversationContentStart = res.getDimensionPixelSize(
                R.dimen.notification_content_margin_start);
        mNonConversationPaddingStart = res.getDimensionPixelSize(
                R.dimen.messaging_layout_icon_padding_start);
        mConversationAvatarSize = res.getDimensionPixelSize(R.dimen.messaging_avatar_size);
        mNonConversationAvatarSize = res.getDimensionPixelSize(
                R.dimen.notification_icon_circle_size);
        mNotificationTextMarginTop = res.getDimensionPixelSize(
                R.dimen.notification_text_margin_top);
    }

    public void updateClipRect() {
        // We want to clip to the senderName if it's available, otherwise our images will come
        // from a weird position
        Rect clipRect;
        if (mSenderView.getVisibility() != View.GONE && !mClippingDisabled) {
            int top;
            if (mSingleLine) {
                top = 0;
            } else {
                top = getDistanceFromParent(mSenderView, mContentContainer)
                        - getDistanceFromParent(mMessageContainer, mContentContainer)
                        + mSenderView.getHeight();
            }
            int size = Math.max(mDisplaySize.x, mDisplaySize.y);
            clipRect = new Rect(-size, top, size, size);
        } else {
            clipRect = null;
        }
        mMessageContainer.setClipBounds(clipRect);
    }

    private int getDistanceFromParent(View searchedView, ViewGroup parent) {
        int position = 0;
        View view = searchedView;
        while(view != parent) {
            position += view.getTop() + view.getTranslationY();
            view = (View) view.getParent();
        }
        return position;
    }

    public void setSender(Person sender, CharSequence nameOverride) {
        mSender = sender;
        if (nameOverride == null) {
            nameOverride = sender.getName();
        }
        mSenderName = nameOverride;
        if (mSingleLine && !TextUtils.isEmpty(nameOverride)) {
            nameOverride = mContext.getResources().getString(
                    R.string.conversation_single_line_name_display, nameOverride);
        }
        mSenderView.setText(nameOverride);
        mNeedsGeneratedAvatar = sender.getIcon() == null;
        if (!mNeedsGeneratedAvatar) {
            setAvatar(sender.getIcon());
        }
        updateSenderVisibility();
    }

    /**
     * Should the avatar be shown for this view.
     *
     * @param showingAvatar should it be shown
     */
    public void setShowingAvatar(boolean showingAvatar) {
        mAvatarView.setVisibility(showingAvatar ? VISIBLE : GONE);
        mShowingAvatar = showingAvatar;
    }

    public void setSending(boolean sending) {
        int visibility = sending ? VISIBLE : GONE;
        if (mSendingSpinnerContainer.getVisibility() != visibility) {
            mSendingSpinnerContainer.setVisibility(visibility);
            updateMessageColor();
        }
    }

    private int calculateSendingTextColor() {
        TypedValue alphaValue = new TypedValue();
        mContext.getResources().getValue(
                R.dimen.notification_secondary_text_disabled_alpha, alphaValue, true);
        float alpha = alphaValue.getFloat();
        return Color.valueOf(
                Color.red(mTextColor),
                Color.green(mTextColor),
                Color.blue(mTextColor),
                alpha).toArgb();
    }

    public void setAvatar(Icon icon) {
        mAvatarIcon = icon;
        if (mShowingAvatar || icon == null) {
            mAvatarView.setImageIcon(icon);
        }
        mAvatarSymbol = "";
        mAvatarName = "";
    }

    static MessagingGroup createGroup(MessagingLinearLayout layout) {;
        MessagingGroup createdGroup = sInstancePool.acquire();
        if (createdGroup == null) {
            createdGroup = (MessagingGroup) LayoutInflater.from(layout.getContext()).inflate(
                    R.layout.notification_template_messaging_group, layout,
                    false);
            createdGroup.addOnLayoutChangeListener(MessagingLayout.MESSAGING_PROPERTY_ANIMATOR);
        }
        layout.addView(createdGroup);
        return createdGroup;
    }

    public void removeMessage(MessagingMessage messagingMessage) {
        View view = messagingMessage.getView();
        boolean wasShown = view.isShown();
        ViewGroup messageParent = (ViewGroup) view.getParent();
        if (messageParent == null) {
            return;
        }
        messageParent.removeView(view);
        Runnable recycleRunnable = () -> {
            messageParent.removeTransientView(view);
            messagingMessage.recycle();
        };
        if (wasShown && !MessagingLinearLayout.isGone(view)) {
            messageParent.addTransientView(view, 0);
            performRemoveAnimation(view, recycleRunnable);
        } else {
            recycleRunnable.run();
        }
    }

    public void recycle() {
        if (mIsolatedMessage != null) {
            mImageContainer.removeView(mIsolatedMessage);
        }
        for (int i = 0; i < mMessages.size(); i++) {
            MessagingMessage message = mMessages.get(i);
            mMessageContainer.removeView(message.getView());
            message.recycle();
        }
        setAvatar(null);
        mAvatarView.setAlpha(1.0f);
        mAvatarView.setTranslationY(0.0f);
        mSenderView.setAlpha(1.0f);
        mSenderView.setTranslationY(0.0f);
        setAlpha(1.0f);
        mIsolatedMessage = null;
        mMessages = null;
        mSenderName = null;
        mAddedMessages.clear();
        mFirstLayout = true;
        setCanHideSenderIfFirst(false);
        setIsFirstInLayout(true);

        setMaxDisplayedLines(Integer.MAX_VALUE);
        setSingleLine(false);
        setShowingAvatar(true);
        MessagingPropertyAnimator.recycle(this);
        sInstancePool.release(MessagingGroup.this);
    }

    public void removeGroupAnimated(Runnable endAction) {
        performRemoveAnimation(this, () -> {
            setAlpha(1.0f);
            MessagingPropertyAnimator.setToLaidOutPosition(this);
            if (endAction != null) {
                endAction.run();
            }
        });
    }

    public void performRemoveAnimation(View message, Runnable endAction) {
        performRemoveAnimation(message, -message.getHeight(), endAction);
    }

    private void performRemoveAnimation(View view, int disappearTranslation, Runnable endAction) {
        MessagingPropertyAnimator.startLocalTranslationTo(view, disappearTranslation,
                MessagingLayout.FAST_OUT_LINEAR_IN);
        MessagingPropertyAnimator.fadeOut(view, endAction);
    }

    public CharSequence getSenderName() {
        return mSenderName;
    }

    public static void dropCache() {
        sInstancePool = new Pools.SynchronizedPool<>(10);
    }

    @Override
    public int getMeasuredType() {
        if (mIsolatedMessage != null) {
            // We only want to show one group if we have an inline image, so let's return shortened
            // to avoid displaying the other ones.
            return MEASURED_SHORTENED;
        }
        boolean hasNormal = false;
        for (int i = mMessageContainer.getChildCount() - 1; i >= 0; i--) {
            View child = mMessageContainer.getChildAt(i);
            if (child.getVisibility() == GONE) {
                continue;
            }
            if (child instanceof MessagingLinearLayout.MessagingChild) {
                int type = ((MessagingLinearLayout.MessagingChild) child).getMeasuredType();
                boolean tooSmall = type == MEASURED_TOO_SMALL;
                final MessagingLinearLayout.LayoutParams lp =
                        (MessagingLinearLayout.LayoutParams) child.getLayoutParams();
                tooSmall |= lp.hide;
                if (tooSmall) {
                    if (hasNormal) {
                        return MEASURED_SHORTENED;
                    } else {
                        return MEASURED_TOO_SMALL;
                    }
                } else if (type == MEASURED_SHORTENED) {
                    return MEASURED_SHORTENED;
                } else {
                    hasNormal = true;
                }
            }
        }
        return MEASURED_NORMAL;
    }

    @Override
    public int getConsumedLines() {
        int result = 0;
        for (int i = 0; i < mMessageContainer.getChildCount(); i++) {
            View child = mMessageContainer.getChildAt(i);
            if (child instanceof MessagingLinearLayout.MessagingChild) {
                result += ((MessagingLinearLayout.MessagingChild) child).getConsumedLines();
            }
        }
        result = mIsolatedMessage != null ? Math.max(result, 1) : result;
        // A group is usually taking up quite some space with the padding and the name, let's add 1
        return result + 1;
    }

    @Override
    public void setMaxDisplayedLines(int lines) {
        mRequestedMaxDisplayedLines = lines;
        updateMaxDisplayedLines();
    }

    private void updateMaxDisplayedLines() {
        mMessageContainer.setMaxDisplayedLines(mSingleLine ? 1 : mRequestedMaxDisplayedLines);
    }

    @Override
    public void hideAnimated() {
        setIsHidingAnimated(true);
        removeGroupAnimated(() -> setIsHidingAnimated(false));
    }

    @Override
    public boolean isHidingAnimated() {
        return mIsHidingAnimated;
    }

    @Override
    public void setIsFirstInLayout(boolean first) {
        if (first != mIsFirstGroupInLayout) {
            mIsFirstGroupInLayout = first;
            updateSenderVisibility();
        }
    }

    /**
     * @param canHide true if the sender can be hidden if it is first
     */
    public void setCanHideSenderIfFirst(boolean canHide) {
        if (mCanHideSenderIfFirst != canHide) {
            mCanHideSenderIfFirst = canHide;
            updateSenderVisibility();
        }
    }

    private void updateSenderVisibility() {
        boolean hidden = (mIsFirstGroupInLayout || mSingleLine) && mCanHideSenderIfFirst
                || TextUtils.isEmpty(mSenderName);
        mSenderView.setVisibility(hidden ? GONE : VISIBLE);
    }

    @Override
    public boolean hasDifferentHeightWhenFirst() {
        return mCanHideSenderIfFirst && !mSingleLine && !TextUtils.isEmpty(mSenderName);
    }

    private void setIsHidingAnimated(boolean isHiding) {
        ViewParent parent = getParent();
        mIsHidingAnimated = isHiding;
        invalidate();
        if (parent instanceof ViewGroup) {
            ((ViewGroup) parent).invalidate();
        }
    }

    @Override
    public boolean hasOverlappingRendering() {
        return false;
    }

    public Icon getAvatarSymbolIfMatching(CharSequence avatarName, String avatarSymbol,
            int layoutColor) {
        if (mAvatarName.equals(avatarName) && mAvatarSymbol.equals(avatarSymbol)
                && layoutColor == mLayoutColor) {
            return mAvatarIcon;
        }
        return null;
    }

    public void setCreatedAvatar(Icon cachedIcon, CharSequence avatarName, String avatarSymbol,
            int layoutColor) {
        if (!mAvatarName.equals(avatarName) || !mAvatarSymbol.equals(avatarSymbol)
                || layoutColor != mLayoutColor) {
            setAvatar(cachedIcon);
            mAvatarSymbol = avatarSymbol;
            setLayoutColor(layoutColor);
            mAvatarName = avatarName;
        }
    }

    public void setTextColors(int senderTextColor, int messageTextColor) {
        mTextColor = messageTextColor;
        mSendingTextColor = calculateSendingTextColor();
        updateMessageColor();
        mSenderView.setTextColor(senderTextColor);
    }

    public void setLayoutColor(int layoutColor) {
        if (layoutColor != mLayoutColor){
            mLayoutColor = layoutColor;
            mSendingSpinner.setIndeterminateTintList(ColorStateList.valueOf(mLayoutColor));
        }
    }

    private void updateMessageColor() {
        if (mMessages != null) {
            int color = mSendingSpinnerContainer.getVisibility() == View.VISIBLE
                    ? mSendingTextColor : mTextColor;
            for (MessagingMessage message : mMessages) {
                message.setColor(message.getMessage().isRemoteInputHistory() ? color : mTextColor);
            }
        }
    }

    public void setMessages(List<MessagingMessage> group) {
        // Let's now make sure all children are added and in the correct order
        int textMessageIndex = 0;
        MessagingImageMessage isolatedMessage = null;
        for (int messageIndex = 0; messageIndex < group.size(); messageIndex++) {
            MessagingMessage message = group.get(messageIndex);
            if (message.getGroup() != this) {
                message.setMessagingGroup(this);
                mAddedMessages.add(message);
            }
            boolean isImage = message instanceof MessagingImageMessage;
            if (mImageDisplayLocation != IMAGE_DISPLAY_LOCATION_INLINE && isImage) {
                isolatedMessage = (MessagingImageMessage) message;
            } else {
                if (removeFromParentIfDifferent(message, mMessageContainer)) {
                    ViewGroup.LayoutParams layoutParams = message.getView().getLayoutParams();
                    if (layoutParams != null
                            && !(layoutParams instanceof MessagingLinearLayout.LayoutParams)) {
                        message.getView().setLayoutParams(
                                mMessageContainer.generateDefaultLayoutParams());
                    }
                    mMessageContainer.addView(message.getView(), textMessageIndex);
                }
                if (isImage) {
                    ((MessagingImageMessage) message).setIsolated(false);
                }
                // Let's sort them properly
                if (textMessageIndex != mMessageContainer.indexOfChild(message.getView())) {
                    mMessageContainer.removeView(message.getView());
                    mMessageContainer.addView(message.getView(), textMessageIndex);
                }
                textMessageIndex++;
            }
        }
        if (isolatedMessage != null) {
            if (mImageDisplayLocation == IMAGE_DISPLAY_LOCATION_AT_END
                    && removeFromParentIfDifferent(isolatedMessage, mImageContainer)) {
                mImageContainer.removeAllViews();
                mImageContainer.addView(isolatedMessage.getView());
            } else if (mImageDisplayLocation == IMAGE_DISPLAY_LOCATION_EXTERNAL) {
                mImageContainer.removeAllViews();
            }
            isolatedMessage.setIsolated(true);
        } else if (mIsolatedMessage != null) {
            mImageContainer.removeAllViews();
        }
        mIsolatedMessage = isolatedMessage;
        updateImageContainerVisibility();
        mMessages = group;
        updateMessageColor();
    }

    private void updateImageContainerVisibility() {
        mImageContainer.setVisibility(mIsolatedMessage != null
                && mImageDisplayLocation == IMAGE_DISPLAY_LOCATION_AT_END
                ? View.VISIBLE : View.GONE);
    }

    /**
     * Remove the message from the parent if the parent isn't the one provided
     * @return whether the message was removed
     */
    private boolean removeFromParentIfDifferent(MessagingMessage message, ViewGroup newParent) {
        ViewParent parent = message.getView().getParent();
        if (parent != newParent) {
            if (parent instanceof ViewGroup) {
                ((ViewGroup) parent).removeView(message.getView());
            }
            return true;
        }
        return false;
    }

    @Override
    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
        super.onLayout(changed, left, top, right, bottom);
        if (!mAddedMessages.isEmpty()) {
            final boolean firstLayout = mFirstLayout;
            getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
                @Override
                public boolean onPreDraw() {
                    for (MessagingMessage message : mAddedMessages) {
                        if (!message.getView().isShown()) {
                            continue;
                        }
                        MessagingPropertyAnimator.fadeIn(message.getView());
                        if (!firstLayout) {
                            MessagingPropertyAnimator.startLocalTranslationFrom(message.getView(),
                                    message.getView().getHeight(),
                                    MessagingLayout.LINEAR_OUT_SLOW_IN);
                        }
                    }
                    mAddedMessages.clear();
                    getViewTreeObserver().removeOnPreDrawListener(this);
                    return true;
                }
            });
        }
        mFirstLayout = false;
        updateClipRect();
    }

    /**
     * Calculates the group compatibility between this and another group.
     *
     * @param otherGroup the other group to compare it with
     *
     * @return 0 if the groups are totally incompatible or 1 + the number of matching messages if
     *         they match.
     */
    public int calculateGroupCompatibility(MessagingGroup otherGroup) {
        if (TextUtils.equals(getSenderName(),otherGroup.getSenderName())) {
            int result = 1;
            for (int i = 0; i < mMessages.size() && i < otherGroup.mMessages.size(); i++) {
                MessagingMessage ownMessage = mMessages.get(mMessages.size() - 1 - i);
                MessagingMessage otherMessage = otherGroup.mMessages.get(
                        otherGroup.mMessages.size() - 1 - i);
                if (!ownMessage.sameAs(otherMessage)) {
                    return result;
                }
                result++;
            }
            return result;
        }
        return 0;
    }

    public TextView getSenderView() {
        return mSenderView;
    }

    public View getAvatar() {
        return mAvatarView;
    }

    public Icon getAvatarIcon() {
        return mAvatarIcon;
    }

    public MessagingLinearLayout getMessageContainer() {
        return mMessageContainer;
    }

    public MessagingImageMessage getIsolatedMessage() {
        return mIsolatedMessage;
    }

    public boolean needsGeneratedAvatar() {
        return mNeedsGeneratedAvatar;
    }

    public Person getSender() {
        return mSender;
    }

    public void setClippingDisabled(boolean disabled) {
        mClippingDisabled = disabled;
    }

    public void setImageDisplayLocation(@ImageDisplayLocation int displayLocation) {
        if (mImageDisplayLocation != displayLocation) {
            mImageDisplayLocation = displayLocation;
            updateImageContainerVisibility();
        }
    }

    public List<MessagingMessage> getMessages() {
        return mMessages;
    }

    /**
     * Set this layout to be single line and therefore displaying both the sender and the text on
     * the same line.
     *
     * @param singleLine should be layout be single line
     */
    public void setSingleLine(boolean singleLine) {
        if (singleLine != mSingleLine) {
            mSingleLine = singleLine;
            MarginLayoutParams p = (MarginLayoutParams) mMessageContainer.getLayoutParams();
            p.topMargin = singleLine ? 0 : mNotificationTextMarginTop;
            mMessageContainer.setLayoutParams(p);
            mContentContainer.setOrientation(
                    singleLine ? LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
            MarginLayoutParams layoutParams = (MarginLayoutParams) mSenderView.getLayoutParams();
            layoutParams.setMarginEnd(singleLine ? mSenderTextPaddingSingleLine : 0);
            mSenderView.setSingleLine(singleLine);
            updateMaxDisplayedLines();
            updateClipRect();
            updateSenderVisibility();
        }
    }

    public boolean isSingleLine() {
        return mSingleLine;
    }

    /**
     * Set this group to be displayed in a conversation and adjust the visual appearance
     *
     * @param isInConversation is this in a conversation
     */
    public void setIsInConversation(boolean isInConversation) {
        if (mIsInConversation != isInConversation) {
            mIsInConversation = isInConversation;
            MarginLayoutParams layoutParams =
                    (MarginLayoutParams) mMessagingIconContainer.getLayoutParams();
            layoutParams.width = mIsInConversation
                    ? mConversationContentStart
                    : mNonConversationContentStart;
            mMessagingIconContainer.setLayoutParams(layoutParams);
            int imagePaddingStart = isInConversation ? 0 : mNonConversationPaddingStart;
            mMessagingIconContainer.setPaddingRelative(imagePaddingStart, 0, 0, 0);

            ViewGroup.LayoutParams avatarLayoutParams = mAvatarView.getLayoutParams();
            int size = mIsInConversation ? mConversationAvatarSize : mNonConversationAvatarSize;
            avatarLayoutParams.height = size;
            avatarLayoutParams.width = size;
            mAvatarView.setLayoutParams(avatarLayoutParams);
        }
    }

    @IntDef(prefix = {"IMAGE_DISPLAY_LOCATION_"}, value = {
            IMAGE_DISPLAY_LOCATION_INLINE,
            IMAGE_DISPLAY_LOCATION_AT_END,
            IMAGE_DISPLAY_LOCATION_EXTERNAL
    })
    @Retention(RetentionPolicy.SOURCE)
    private @interface ImageDisplayLocation {
    }
}