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package android.support.v4.app;
import org.holoeverywhere.LayoutInflater;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.res.TypedArray;
import android.support.v4.app.FragmentActivity.FragmentTag;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
public class _HoloFragmentInflater {
private static View inflate(AttributeSet attrs, View parent, FragmentActivity activity,
Fragment parentFragment) {
String fname = attrs.getAttributeValue(null, "class");
TypedArray a = activity.obtainStyledAttributes(attrs, FragmentTag.Fragment);
if (fname == null) {
fname = a.getString(FragmentTag.Fragment_name);
}
if (fname.startsWith(".")) {
fname = activity.getPackageName() + fname;
}
int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID);
String tag = a.getString(FragmentTag.Fragment_tag);
a.recycle();
int containerId = parent != null ? parent.getId() : 0;
if (containerId == View.NO_ID && id == View.NO_ID && tag == null) {
throw new IllegalArgumentException(
attrs.getPositionDescription()
+ ": Must specify unique android:id, android:tag, or have a parent with an id for "
+ fname);
}
final FragmentManagerImpl fm = obtainFragmentManager(activity, parentFragment);
Fragment fragment = id != View.NO_ID ? fm.findFragmentById(id) : null;
if (fragment == null && tag != null) {
fragment = fm.findFragmentByTag(tag);
}
if (fragment == null && containerId != View.NO_ID) {
fragment = fm.findFragmentById(containerId);
}
if (fragment == null) {
fragment = Fragment.instantiate(activity, fname);
fragment.mParentFragment = parentFragment;
fragment.mFromLayout = true;
fragment.mFragmentId = id != 0 ? id : containerId;
fragment.mContainer = (ViewGroup) parent;
fragment.mContainerId = containerId;
fragment.mTag = tag;
fragment.mInLayout = true;
fragment.mFragmentManager = fm;
fragment.onInflate(activity, attrs, fragment.mSavedFragmentState);
fm.addFragment(fragment, false);
fm.moveToState(fragment, Fragment.CREATED, 0, 0, false);
} else if (fragment.mInLayout) {
throw new IllegalArgumentException(attrs.getPositionDescription()
+ ": Duplicate id 0x" + Integer.toHexString(id)
+ ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId)
+ " with another fragment for " + fname);
} else {
fragment.mInLayout = true;
if (!fragment.mRetaining) {
fragment.onInflate(activity, attrs, fragment.mSavedFragmentState);
}
fm.moveToState(fragment, Fragment.CREATED, 0, 0, false);
}
if (fragment.mView == null) {
throw new IllegalStateException("Fragment " + fname
+ " did not create a view.");
}
if (id != 0) {
fragment.mView.setId(id);
}
if (fragment.mView.getTag() == null) {
fragment.mView.setTag(tag);
}
return fragment.mView;
}
public static View inflate(LayoutInflater layoutInflater, AttributeSet attrs, View parent,
Fragment fragment) {
FragmentActivity activity = layoutInflater.getFragmentActivity();
if (activity != null) {
return inflate(attrs, parent, activity, fragment);
}
Context context = layoutInflater.getContext();
while (context instanceof ContextWrapper) {
if (context instanceof FragmentActivity) {
activity = (FragmentActivity) context;
break;
}
context = ((ContextWrapper) context).getBaseContext();
}
if (activity == null) {
throw new IllegalStateException("Cannot find any reference to FragmentActivity");
}
return inflate(attrs, parent, activity, fragment);
}
private static FragmentManagerImpl obtainFragmentManager(FragmentActivity activity,
Fragment fragment) {
FragmentManagerImpl fm = null;
if (fragment != null) {
fm = fragment.mChildFragmentManager;
if (fm == null) {
try {
fm = (FragmentManagerImpl) fragment.getChildFragmentManager();
} catch (ClassCastException e) {
fm = fragment.mChildFragmentManager;
}
}
}
if (fm == null && activity != null) {
fm = activity.mFragments;
}
return fm;
}
}
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