/*
* Created by LuaView.
* Copyright (c) 2017, Alibaba Group. All rights reserved.
*
* This source code is licensed under the MIT.
* For the full copyright and license information,please view the LICENSE file in the root directory of this source tree.
*/
package com.taobao.luaview.util;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Handler;
import android.os.Looper;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import com.taobao.luaview.userdata.kit.UDUnicode;
import com.taobao.luaview.userdata.ui.UDSpannableString;
import org.luaj.vm2.Globals;
import org.luaj.vm2.LuaValue;
import org.luaj.vm2.Varargs;
import java.util.concurrent.atomic.AtomicInteger;
/**
* LuaView相关的一些工具类
*
* @author song
* @date 15/9/21
*/
public class LuaViewUtil {
private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);
/**
* set id
*
* @param view
*/
public static void setId(View view) {
if (view != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
try {//samsung SM-N9009(4.3) crash here, so protected
view.setId(View.generateViewId());
} catch (Exception e) {
view.setId(generateViewId());
}
} else {
view.setId(generateViewId());
}
}
}
/**
* Generate a value suitable for use in {@link #setId(int)}.
* This value will not collide with ID values generated at build time by aapt for R.id.
*
* @return a generated ID value
*/
private static int generateViewId() {
for (; ; ) {
final int result = sNextGeneratedId.get();
// aapt-generated IDs have the high byte nonzero; clamp to the range under that.
int newValue = result + 1;
if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
if (sNextGeneratedId.compareAndSet(result, newValue)) {
return result;
}
}
}
/**
* get text of given value
*
* @param inputValue
* @return
*/
public static CharSequence getText(LuaValue inputValue) {
final LuaValue result = (inputValue != null && !inputValue.isnil()) ? inputValue : LuaValue.NIL;
if (result instanceof UDSpannableString) {
return ((UDSpannableString) result).getSpannableStringBuilder();
} else if (result instanceof UDUnicode) {
return result.toString();
} else {
return result.optjstring("");
}
}
/**
* 获得actionbar
*
* @param globals
* @return
*/
public static ActionBar getActionBar(Globals globals) {
if (globals != null && globals.getContext() instanceof Activity) {
return ((Activity) (globals.getContext())).getActionBar();
}
return null;
}
public static android.support.v7.app.ActionBar getSupportActionBar(Globals globals) {
if (globals != null && globals.getContext() instanceof AppCompatActivity) {
return ((AppCompatActivity) (globals.getContext())).getSupportActionBar();
}
return null;
}
/**
* 设置背景
*
* @param view
* @param drawable
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static void setBackground(View view, Drawable drawable) {
if (view != null) {
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN) {
view.setBackground(drawable);
} else {
view.setBackgroundDrawable(drawable);
}
}
}
//--------------------------------------------add view------------------------------------------
/**
* add target view to parent
*
* @param parent
* @param target
* @param varargs
*/
public static void addView(ViewGroup parent, View target, Varargs varargs) {
if (parent != null && target != null && parent != target) {//不能自己加自己
final ViewGroup.LayoutParams layoutParams = LuaViewUtil.getOrCreateLayoutParams(target);
parent.addView(LuaViewUtil.removeFromParent(target), layoutParams);
}
}
//--------------------------------------------remove--------------------------------------------
/**
* remove all views
*
* @param viewGroup
*/
public static void removeAllViews(ViewGroup viewGroup) {
if (viewGroup != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
if (viewGroup.isInLayout()) {
viewGroup.removeAllViewsInLayout();
} else {
viewGroup.removeAllViews();
}
} else {
viewGroup.removeAllViews();
}
}
}
/**
* remove a view
*
* @param parent
* @param view
*/
public static void removeView(ViewGroup parent, View view) {
//这里不使用post来做，这样代码更可控，而是改为将refresh下拉动作延后一帧处理，见@link
//这里调用removeViewInLayout方法，可以在onLayout的时候调用，否则会产生问题
if (parent != null && view != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
if (parent.isInLayout()) {
parent.removeViewInLayout(view);
} else {
parent.removeView(view);
}
} else {
parent.removeView(view);
}
}
}
/**
* 从父容器中移除该view
*
* @param view
* @return
*/
public static View removeFromParent(View view) {
if (view != null && view.getParent() instanceof ViewGroup) {
removeView((ViewGroup) view.getParent(), view);
}
return view;
}
//------------------------------------------layout params---------------------------------------
/**
* copy a layout params
*
* @param view
* @return
*/
public static ViewGroup.LayoutParams getOrCreateLayoutParams(View view) {
if (view != null && view.getLayoutParams() != null) {//TODO 是否需要创建一个新的layout params
return view.getLayoutParams();
}
return createRelativeLayoutParamsWW();
}
/**
* create layout params WRAP_CONTENT, WRAP_CONTENT
*
* @return
*/
public static RelativeLayout.LayoutParams createRelativeLayoutParamsWW() {
return new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
}
/**
* create layout params MATCH_PARENT, MATCH_PARENT
*
* @return
*/
public static RelativeLayout.LayoutParams createRelativeLayoutParamsMM() {
return new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
/**
* create layout params MATCH_PARENT, WRAP_CONTENT
*
* @return
*/
public static RelativeLayout.LayoutParams createRelativeLayoutParamsWM() {
return new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
/**
* create layout params WRAP_CONTENT, MATCH_PARENT
*
* @return
*/
public static RelativeLayout.LayoutParams createRelativeLayoutParamsMW() {
return new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
}
//------------------------------------------run on ui-------------------------------------------
/**
* run on ui thread
*
* @param view
* @param runnable
*/
public static void runOnUiThread(final View view, final Runnable runnable) {
if (view != null) {
if (view.getContext() instanceof Activity) {
((Activity) view.getContext()).runOnUiThread(runnable);
} else {
view.post(runnable);
}
}
}
/**
* run on ui thread
*
* @param context
* @param runnable
*/
public static void runOnUiThread(final Context context, final Runnable runnable) {
if (context instanceof Activity) {
((Activity) context).runOnUiThread(runnable);
} else {
new Handler(Looper.getMainLooper()).post(runnable);
}
}
}