/**
* 从layerAttrs属性中加载相应的layer，支持两种格式： 1、直接使用@layer方式组装数组 2、使用@array方式做二维数组方式
*
* @param context
* @param attrs
*/
private void readLayerAttrs(int resID) {
// 将resourceID指向的数组加载到内存中，一般为：
// 复杂模式：
// <array name="sv_videoview_layers">
// <item>@array/sv_videoview_layer_adlayer</item>
// <item>@array/sv_videoview_layer_controllayer</item>
// </array>
// 或者，简单模式：
// <array name="sina_video_videoview_layers">
// <item>@layout/ad_layer</item>
// <item>@layout/control_layer</item>
// </array>
// 格式
TypedArray layerTypedArr = getResources().obtainTypedArray(resID);
LayoutInflater inflater =
(LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// obtainStyledAttributes而来的数组使用getIndexCount方法取得数量
// obtainTypedArray得到的数组使用length来得到数量
int complexNoHorizonLayerNum = 0;
for (int j = 0; j < layerTypedArr.length(); j++) {
int resID2 = -1;
resID2 = layerTypedArr.getResourceId(j, -1);
if (resID2 == -1) {
if (layerTypedArr != null) layerTypedArr.recycle();
throw new IllegalArgumentException("resID2=-1");
}
String type = getResources().getResourceTypeName(resID2);
if (type.equals("layout")) {
// 简单模式
VDVideoViewLayer layer = (VDVideoViewLayer) inflater.inflate(resID2, null);
// 添加进入当前容器
addView(layer, false);
// 保存引用
VDVideoViewLayerContext item = new VDVideoViewLayerContext();
// 默认就是竖屏的
layer.mIsVertical = true;
item.addSimpleItem(layer);
mVDVideoViewLayerData.addLayerContext(item);
} else if (type.equals("array")) {
// 复杂模式
TypedArray orientationLayerArr = getResources().obtainTypedArray(resID2);
if (orientationLayerArr.length() != 2) {
if (layerTypedArr != null) layerTypedArr.recycle();
if (orientationLayerArr != null) {
orientationLayerArr.recycle();
}
throw new IllegalArgumentException("使用布局数组的情况下，一个数组只能容纳两个layer");
}
VDVideoViewLayerContext item = new VDVideoViewLayerContext();
for (int k = 0; k < orientationLayerArr.length(); k++) {
int resID3 = orientationLayerArr.getResourceId(k, -1);
// 复杂模式下，无论何种情况，都要求有两个默认的layer在其中
VDVideoViewLayer layer = new VDVideoViewLayer(mContext);
if (resID3 == -1) {
if (k == 1) {
// 只允许只横不竖，那么只有竖屏，也就是k=0的时候，可以为-1，其他情况判错
if (layerTypedArr != null) layerTypedArr.recycle();
if (orientationLayerArr != null) {
orientationLayerArr.recycle();
}
throw new IllegalArgumentException("resID3=-1");
}
complexNoHorizonLayerNum++;
} else {
layer = (VDVideoViewLayer) inflater.inflate(resID3, this, false);
}
boolean isGone = getIsFullMode(k);
// 添加进入当前容器
layer.mIsVertical = !isGone;
addView(layer, isGone);
// 保存引用
item.addComplexItem(layer);
// 判断是否是广告层
if (layer instanceof VDVideoADLayer) {
item.mIsInsertADLayer = true;
}
}
mVDVideoViewLayerData.addLayerContext(item);
orientationLayerArr.recycle();
} else {
throw new IllegalArgumentException("加入的类型错误");
}
}
layerTypedArr.recycle();
int simpleLayerNum = 0;
int complexLayerNum = 0;
for (VDVideoViewLayerContext value : mVDVideoViewLayerData.getLayerList()) {
if (value.mComplexLayer.size() != 0) {
complexLayerNum++;
}
if (value.mSimpleLayer != null) {
simpleLayerNum++;
}
}
if (simpleLayerNum == 0 && complexLayerNum == 0) {
// 空的，直接返回错误
throw new IllegalArgumentException("layout为空");
} else if (simpleLayerNum != 0 && complexLayerNum != 0) {
throw new IllegalArgumentException("简单模式、复杂模式只能二选一");
} else if (simpleLayerNum != 0) {
mVDVideoViewLayerData.setLayerType(VDVideoViewLayerContextData.LAYER_SIMPLE);
} else if (complexLayerNum != 0) {
if (complexNoHorizonLayerNum == complexLayerNum) {
mVDVideoViewLayerData.setLayerType(VDVideoViewLayerContextData.LAYER_COMPLEX_NOVERTICAL);
} else {
mVDVideoViewLayerData.setLayerType(VDVideoViewLayerContextData.LAYER_COMPLEX_ALL);
}
}
VDVideoViewController controller = VDVideoViewController.getInstance(mContext);
if (controller != null) controller.setLayerContextData(mVDVideoViewLayerData);
}
