package com.netease.nim.demo.avchat;
import android.content.Context;
import android.graphics.Rect;
import android.os.Handler;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.netease.nim.demo.DemoCache;
import com.netease.nim.demo.R;
import com.netease.nim.demo.avchat.constant.CallStateEnum;
import com.netease.nim.uikit.common.util.sys.ScreenUtil;
import com.netease.nimlib.sdk.avchat.AVChatManager;
import com.netease.nimlib.sdk.avchat.constant.AVChatVideoScalingType;
import com.netease.nimlib.sdk.avchat.model.AVChatVideoRender;
/**
* 视频绘制管理
* Created by hzxuwen on 2015/5/6.
*/
public class AVChatSurface {
private Context context;
private AVChatUI manager;
private View surfaceRoot;
private Handler uiHandler;
// constant
private static final int PEER_CLOSE_CAMERA = 0;
private static final int LOCAL_CLOSE_CAMERA = 1;
private static final int AUDIO_TO_VIDEO_WAIT = 2;
private static final int TOUCH_SLOP = 10;
// view
private LinearLayout largeSizePreviewLayout;
private FrameLayout smallSizePreviewFrameLayout;
private LinearLayout smallSizePreviewLayout;
private ImageView smallSizePreviewCoverImg;//stands for peer or local close camera
private View largeSizePreviewCoverLayout;//stands for peer or local close camera
//render
private AVChatVideoRender smallRender;
private AVChatVideoRender largeRender;
// state
private boolean init = false;
private boolean localPreviewInSmallSize = true;
private boolean isPeerVideoOff = false;
private boolean isLocalVideoOff = false;
// move
private int lastX, lastY;
private int inX, inY;
private Rect paddingRect;
// data
private String largeAccount; // 显示在大图像的用户id
private String smallAccount; // 显示在小图像的用户id
public AVChatSurface(Context context, AVChatUI manager, View surfaceRoot) {
this.context = context;
this.manager = manager;
this.surfaceRoot = surfaceRoot;
this.uiHandler = new Handler(context.getMainLooper());
this.smallRender = new AVChatVideoRender(context);
this.largeRender = new AVChatVideoRender(context);
}
private void findViews() {
if (init)
return;
if (surfaceRoot != null) {
smallSizePreviewFrameLayout = (FrameLayout) surfaceRoot.findViewById(R.id.small_size_preview_layout);
smallSizePreviewLayout = (LinearLayout) surfaceRoot.findViewById(R.id.small_size_preview);
smallSizePreviewCoverImg = (ImageView) surfaceRoot.findViewById(R.id.smallSizePreviewCoverImg);
smallSizePreviewFrameLayout.setOnTouchListener(touchListener);
largeSizePreviewLayout = (LinearLayout) surfaceRoot.findViewById(R.id.large_size_preview);
largeSizePreviewCoverLayout = surfaceRoot.findViewById(R.id.notificationLayout);
init = true;
}
}
private View.OnTouchListener touchListener = new View.OnTouchListener() {
@Override
public boolean onTouch(final View v, MotionEvent event) {
int x = (int) event.getRawX();
int y = (int) event.getRawY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
lastX = x;
lastY = y;
int[] p = new int[2];
smallSizePreviewFrameLayout.getLocationOnScreen(p);
inX = x - p[0];
inY = y - p[1];
break;
case MotionEvent.ACTION_MOVE:
final int diff = Math.max(Math.abs(lastX - x), Math.abs(lastY - y));
if (diff < TOUCH_SLOP)
break;
if (paddingRect == null) {
paddingRect = new Rect(ScreenUtil.dip2px(10), ScreenUtil.dip2px(20), ScreenUtil.dip2px(10),
ScreenUtil.dip2px(70));
}
int destX, destY;
if (x - inX <= paddingRect.left) {
destX = paddingRect.left;
} else if (x - inX + v.getWidth() >= ScreenUtil.screenWidth - paddingRect.right) {
destX = ScreenUtil.screenWidth - v.getWidth() - paddingRect.right;
} else {
destX = x - inX;
}
if (y - inY <= paddingRect.top) {
destY = paddingRect.top;
} else if (y - inY + v.getHeight() >= ScreenUtil.screenHeight - paddingRect.bottom) {
destY = ScreenUtil.screenHeight - v.getHeight() - paddingRect.bottom;
} else {
destY = y - inY;
}
FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) v.getLayoutParams();
params.gravity = Gravity.NO_GRAVITY;
params.leftMargin = destX;
params.topMargin = destY;
v.setLayoutParams(params);
break;
case MotionEvent.ACTION_UP:
if (Math.max(Math.abs(lastX - x), Math.abs(lastY - y)) <= 5) {
if (largeAccount == null || smallAccount == null) {
return true;
}
String temp;
switchRender(smallAccount, largeAccount);
temp = largeAccount;
largeAccount = smallAccount;
smallAccount = temp;
switchAndSetLayout();
} else {
}
break;
}
return true;
}
};
public void onCallStateChange(CallStateEnum state) {
if (CallStateEnum.isVideoMode(state))
findViews();
switch (state) {
case VIDEO:
largeSizePreviewCoverLayout.setVisibility(View.GONE);
break;
case OUTGOING_AUDIO_TO_VIDEO:
showNotificationLayout(AUDIO_TO_VIDEO_WAIT);
break;
case INCOMING_AUDIO_TO_VIDEO:
break;
case AUDIO:
if(smallSizePreviewFrameLayout != null) {
smallSizePreviewFrameLayout.setVisibility(View.INVISIBLE);
}
break;
default:
break;
}
setSurfaceRoot(CallStateEnum.isVideoMode(state));
}
/**
* 大图像surfaceview 初始化
*
* @param account 显示视频的用户id
*/
public void initLargeSurfaceView(String account) {
largeAccount = account;
findViews();
/**
* 设置画布，加入到自己的布局中，用于呈现视频图像
* account 要显示视频的用户帐号
*/
if (DemoCache.getAccount().equals(account)) {
AVChatManager.getInstance().setupLocalVideoRender(largeRender, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(account, largeRender, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
}
addIntoLargeSizePreviewLayout(largeRender);
}
/**
* 小图像surfaceview 初始化
*
* @param account
* @return
*/
public void initSmallSurfaceView(String account) {
smallAccount = account;
findViews();
smallSizePreviewFrameLayout.setVisibility(View.VISIBLE);
/**
* 设置画布，加入到自己的布局中，用于呈现视频图像
* account 要显示视频的用户帐号
*/
if (DemoCache.getAccount().equals(account)) {
AVChatManager.getInstance().setupLocalVideoRender(smallRender, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(account, smallRender, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
}
addIntoSmallSizePreviewLayout(smallRender);
}
/**
* 添加surfaceview到largeSizePreviewLayout
*
* @param surfaceView
*/
private void addIntoLargeSizePreviewLayout(SurfaceView surfaceView) {
if (surfaceView.getParent() != null) {
((ViewGroup) surfaceView.getParent()).removeView(surfaceView);
}
largeSizePreviewLayout.addView(surfaceView);
surfaceView.setZOrderMediaOverlay(false);
if (manager.getCallingState() == CallStateEnum.VIDEO || manager.getCallingState() == CallStateEnum.OUTGOING_VIDEO_CALLING) {
largeSizePreviewCoverLayout.setVisibility(View.GONE);
}
}
/**
* 添加surfaceview到smallSizePreviewLayout
*/
private void addIntoSmallSizePreviewLayout(SurfaceView surfaceView) {
smallSizePreviewCoverImg.setVisibility(View.GONE);
if (surfaceView.getParent() != null) {
((ViewGroup) surfaceView.getParent()).removeView(surfaceView);
}
smallSizePreviewLayout.addView(surfaceView);
surfaceView.setZOrderMediaOverlay(true);
smallSizePreviewLayout.setVisibility(View.VISIBLE);
}
/**
* 关闭小窗口
*/
private void closeSmallSizePreview() {
smallSizePreviewCoverImg.setVisibility(View.VISIBLE);
}
/**
* 对方打开了摄像头
*/
public void peerVideoOn() {
isPeerVideoOff = false;
if (localPreviewInSmallSize) {
largeSizePreviewCoverLayout.setVisibility(View.GONE);
} else {
smallSizePreviewCoverImg.setVisibility(View.GONE);
}
}
/**
* 对方关闭了摄像头
*/
public void peerVideoOff() {
isPeerVideoOff = true;
if (localPreviewInSmallSize) { //local preview in small size layout, then peer preview should in large size layout
showNotificationLayout(PEER_CLOSE_CAMERA);
} else { // peer preview in small size layout
closeSmallSizePreview();
}
}
/**
* 对方打开了摄像头
*/
public void localVideoOn() {
isLocalVideoOff = false;
if (localPreviewInSmallSize) {
smallSizePreviewCoverImg.setVisibility(View.GONE);
} else {
largeSizePreviewCoverLayout.setVisibility(View.GONE);
}
}
/**
* 本地关闭了摄像头
*/
public void localVideoOff() {
isLocalVideoOff = true;
if (localPreviewInSmallSize)
closeSmallSizePreview();
else
showNotificationLayout(LOCAL_CLOSE_CAMERA);
}
/**
* 摄像头切换时，布局显隐
*/
private void switchAndSetLayout() {
localPreviewInSmallSize = !localPreviewInSmallSize;
largeSizePreviewCoverLayout.setVisibility(View.GONE);
smallSizePreviewCoverImg.setVisibility(View.GONE);
if (isPeerVideoOff) {
peerVideoOff();
}
if (isLocalVideoOff) {
localVideoOff();
}
}
/**
* 界面提示
*
* @param closeType
*/
private void showNotificationLayout(int closeType) {
if(largeSizePreviewCoverLayout == null) {
return;
}
TextView textView = (TextView) largeSizePreviewCoverLayout;
switch (closeType) {
case PEER_CLOSE_CAMERA:
textView.setText(R.string.avchat_peer_close_camera);
break;
case LOCAL_CLOSE_CAMERA:
textView.setText(R.string.avchat_local_close_camera);
break;
case AUDIO_TO_VIDEO_WAIT:
textView.setText(R.string.avchat_audio_to_video_wait);
break;
default:
return;
}
largeSizePreviewCoverLayout.setVisibility(View.VISIBLE);
}
/**
* 布局是否可见
*
* @param visible
*/
private void setSurfaceRoot(boolean visible) {
surfaceRoot.setVisibility(visible ? View.VISIBLE : View.GONE);
}
/**
* 大小图像显示切换
*
* @param user1 用户1的account
* @param user2 用户2的account
*/
private void switchRender(String user1, String user2) {
//先取消用户的画布
if (DemoCache.getAccount().equals(user1)) {
AVChatManager.getInstance().setupLocalVideoRender(null, false, 0);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(user1, null, false, 0);
}
if (DemoCache.getAccount().equals(user2)) {
AVChatManager.getInstance().setupLocalVideoRender(null, false, 0);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(user2, null, false, 0);
}
//交换画布
//如果存在多个用户,建议用Map维护account,render关系.
//目前只有两个用户,并且认为这两个account肯定是对的
AVChatVideoRender render1;
AVChatVideoRender render2;
if(user1.equals(smallAccount)) {
render1 = largeRender;
render2 = smallRender;
} else {
render1 = smallRender;
render2 = largeRender;
}
//重新设置上画布
if (user1 == DemoCache.getAccount()) {
AVChatManager.getInstance().setupLocalVideoRender(render1, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(user1, render1, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
}
if (user2 == DemoCache.getAccount()) {
AVChatManager.getInstance().setupLocalVideoRender(render2, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
} else {
AVChatManager.getInstance().setupRemoteVideoRender(user2, render2, false, AVChatVideoScalingType.SCALE_ASPECT_BALANCED);
}
}
/**
* 是否本地预览图像在小图像（UI上层）
*
* @return
*/
public boolean isLocalPreviewInSmallSize() {
return localPreviewInSmallSize;
}
}