/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2015 Umeng, Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.umeng.comm.ui.widgets;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.StateListDrawable;
import android.os.Build;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import com.umeng.comm.core.beans.CommUser;
import com.umeng.comm.core.beans.FeedItem;
import com.umeng.comm.core.beans.Like;
import com.umeng.comm.core.constants.Constants;
import com.umeng.comm.core.constants.HttpProtocol;
import com.umeng.comm.core.imageloader.ImgDisplayOption;
import com.umeng.comm.core.listeners.Listeners.LoginOnViewClickListener;
import com.umeng.comm.core.utils.CommonUtils;
import com.umeng.comm.core.utils.DeviceUtils;
import com.umeng.comm.core.utils.ResFinder;
import com.umeng.comm.ui.activities.LikeUsersActivity;
import com.umeng.comm.ui.activities.UserInfoActivity;
import java.util.ArrayList;
import java.util.List;
/**
* 显示Like的用户头像View，包括更多按钮
*/
public class LikeView extends LinearLayout {
private List<Like> mLikes = new ArrayList<Like>();
private int mItemPadding;
private int mItemWidth;
private boolean isLayoutFinish = false;
private FeedItem mFeedItem;
private String mNexturl;
/**
* @param context
*/
public LikeView(Context context) {
super(context);
init();
}
/**
* @param context
* @param attrs
*/
public LikeView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
/**
* @param context
* @param attrs
* @param defStyle
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public LikeView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
/**
* 初始化item的宽跟padding值</br>
*/
private void init() {
mItemPadding = DeviceUtils.dp2px(getContext(), 6);
mItemWidth = DeviceUtils.dp2px(getContext(), 25);
}
public void addLikeUsers(FeedItem item, String nextUrl) {
this.mFeedItem = item;
this.mNexturl = nextUrl;
isLayoutFinish = false;
mLikes.clear();
removeAllViews();
if (CommonUtils.isListEmpty(item.likes)) {
invalidate();
return;
}
mLikes.addAll(item.likes);
View view = createView(item.likes.get(0).creator);
addView(view);
invalidate();
}
/**
* 计算每个item的宽度，并计算能够容纳多少item</br>
*/
private void calculateAndAddView() {
if (mLikes.size() <= 0 || isLayoutFinish) {
return;
}
View view = getChildAt(0);
int itemWidth = view.getMeasuredWidth();
int parentWidth = getMeasuredWidth();
int count = parentWidth / (itemWidth + mItemPadding);
boolean isShowMore = false;
if (mLikes.size() > count) { // 如果此时超过显示的个数，则显示加载更多按钮
count = count - 1;// 留一个位置给“更多”view
isShowMore = true;
}
count = Math.min(count, mLikes.size());
for (int i = 1; i < count; i++) {
view = createView(mLikes.get(i).creator);
addView(view);
}
if (isShowMore) {
view = createMoreView();
addView(view);
}
isLayoutFinish = true;
}
/**
* 创建加载更多的按钮View</br>
*
* @return
*/
private View createMoreView() {
RoundImageView userImageView = new RoundImageView(getContext());
userImageView.setScaleType(ScaleType.FIT_XY);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(mItemWidth, mItemWidth);
params.setMargins(0, 0, mItemPadding, 0);
params.gravity = Gravity.CENTER_VERTICAL | Gravity.RIGHT;
userImageView.setLayoutParams(params);
userImageView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(getContext(), LikeUsersActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Constants.TAG_COUNT, mFeedItem.likeCount);
intent.putExtra(HttpProtocol.NAVIGATOR_KEY, mNexturl);
intent.putExtra(HttpProtocol.FEED_ID_KEY, mFeedItem.id);
intent.putParcelableArrayListExtra(Constants.TAG_USERS, prepareUsers());
getContext().startActivity(intent);
}
});
// int drawableRes = ResFinder.getResourceId(ResType.DRAWABLE,
// "umeng_comm_like_more_user");
// userImageView.setImageResource(drawableRes);
StateListDrawable states = new StateListDrawable();
states.addState(new int[] {
android.R.attr.state_pressed
},
ResFinder.getDrawable("umeng_comm_like_more_user_pressed"));
states.addState(new int[] {
android.R.attr.state_focused
},
ResFinder.getDrawable("umeng_comm_like_more_user_pressed"));
states.addState(new int[] {},
ResFinder.getDrawable("umeng_comm_like_more_user_normal"));
userImageView.setClickable(true);
userImageView.setEnabled(true);
userImageView.setImageDrawable(states);
return userImageView;
}
/**
* 将like的create独立出来</br>
*
* @return
*/
private ArrayList<CommUser> prepareUsers() {
ArrayList<CommUser> users = new ArrayList<CommUser>();
for (Like like : mLikes) {
users.add(like.creator);
}
return users;
}
/**
* 创建每个子View</br>
*
* @param user
* @return
*/
private View createView(final CommUser user) {
RoundImageView userImageView = new RoundImageView(getContext());
userImageView.setScaleType(ScaleType.FIT_XY);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(mItemWidth, mItemWidth);
params.setMargins(0, 0, mItemPadding, 0);
params.gravity = Gravity.CENTER_VERTICAL;
userImageView.setLayoutParams(params);
userImageView.setOnClickListener(new LoginOnViewClickListener() {
@Override
protected void doAfterLogin(View v) {
Intent intent = new Intent();
intent.setClass(getContext(), UserInfoActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Constants.TAG_USER, user);
getContext().startActivity(intent);
}
});
userImageView.setImageUrl(user.iconUrl,
ImgDisplayOption.getOptionByGender(user.gender));
return userImageView;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
calculateAndAddView();
requestLayout();
}
}