package org.holoeverywhere;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.graphics.Canvas;
import android.os.Build;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app._HoloFragmentInflater;
import android.support.v7.internal.view.menu.ExpandedMenuView;
import android.support.v7.internal.widget.ActionBarContainer;
import android.support.v7.internal.widget.ActionBarView;
import android.util.AttributeSet;
import android.util.Xml;
import android.view.InflateException;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewStub;
import org.holoeverywhere.SystemServiceManager.SystemServiceCreator;
import org.holoeverywhere.SystemServiceManager.SystemServiceCreator.SystemService;
import org.holoeverywhere.app.ContextThemeWrapperPlus;
import org.holoeverywhere.app.Dialog;
import org.holoeverywhere.app.Fragment;
import org.holoeverywhere.util.SparseIntArray;
import org.holoeverywhere.widget.FrameLayout;
import org.holoeverywhere.widget.NumberPicker;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
public class LayoutInflater extends android.view.LayoutInflater implements Cloneable {
private static final HashMap<String, Constructor<? extends View>> sConstructorMap =
new HashMap<String, Constructor<? extends View>>();
private static final Class<?>[] sConstructorSignature = {
Context.class, AttributeSet.class
};
private static final Map<Class<?>, Method> sFinishInflateMethods =
new HashMap<Class<?>, Method>(100);
private static final Map<Context, LayoutInflater> sInstances = new WeakHashMap<Context, LayoutInflater>();
private static final List<String> sPackages = new ArrayList<String>();
private static final Map<String, String> sRemaps = new HashMap<String, String>();
private static final SparseIntArray sLayoutRemap = new SparseIntArray();
private static final String TAG_1995 = "blink";
private static final String TAG_INCLUDE = "include";
private static final String TAG_MERGE = "merge";
private static final String TAG_REQUEST_FOCUS = "requestFocus";
static {
registerPackage("android.webkit");
registerPackage("android.view");
registerPackage("android.widget");
registerPackage("android.support.v4.view");
registerPackage(HoloEverywhere.PACKAGE + ".widget");
asInternal(ActionBarView.class);
asInternal(ExpandedMenuView.class);
asInternal(ActionBarContainer.class);
asInternal(Dialog.DialogTitle.class);
asInternal(NumberPicker.NumberPickerEditText.class);
}
private static OnInitInflaterListener sListener;
private final Fragment mChildFragment;
private final Object[] mConstructorArgs = new Object[2];
private final Context mContext;
private List<Factory> mFactories;
private Filter mFilter;
private HashMap<String, Boolean> mFilterMap;
private FragmentActivity mFragmentActivity;
private LayoutInflater mParentInflater;
protected LayoutInflater(android.view.LayoutInflater original,
Context newContext) {
this(original, newContext, null);
}
protected LayoutInflater(android.view.LayoutInflater original, Context newContext, Fragment childFragment) {
this(newContext, childFragment);
setParent(original);
}
protected LayoutInflater(Context context) {
this(context, null);
}
protected LayoutInflater(Context context, Fragment childFragment) {
super(context);
if (context == null) {
throw new IllegalArgumentException("Context cannot be null");
}
mChildFragment = childFragment;
mContext = context;
if (LayoutInflater.sListener != null) {
LayoutInflater.sListener.onInitInflater(this);
}
}
private static void asInternal(Class<?> clazz) {
register("Internal." + clazz.getSimpleName(), clazz.getName());
}
public static LayoutInflater from(android.view.LayoutInflater inflater) {
if (inflater instanceof LayoutInflater) {
return (LayoutInflater) inflater;
}
return LayoutInflater.from(inflater.getContext()).setParent(inflater);
}
public static LayoutInflater from(Context context) {
LayoutInflater inflater = sInstances.get(context);
if (inflater == null) {
sInstances.put(context, inflater = new LayoutInflater(context));
}
return inflater;
}
public static LayoutInflater from(Context context, int theme) {
return from(new ContextThemeWrapperPlus(context, ThemeManager.getThemeResource(theme, false)));
}
public static View inflate(Context context, int resource) {
return from(context).inflate(resource, null);
}
public static View inflate(Context context, int resource, ViewGroup root) {
return from(context).inflate(resource, root);
}
public static View inflate(Context context, int resource, ViewGroup root,
boolean attachToRoot) {
return from(context).inflate(resource, root, attachToRoot);
}
/**
* Iterate over classes and call {@link #register(Class)} for each
*/
public static void register(Class<? extends View>... classes) {
for (Class<? extends View> classe : classes) {
register(classe);
}
}
/**
* Fast mapping views by name<br />
* <br />
* MyView -> com.myapppackage.widget.MyView<br />
*/
public static void register(Class<? extends View> clazz) {
if (clazz != null) {
register(clazz.getSimpleName(), clazz.getName());
}
}
/**
* Manually register shortcuts for inflating<br />
* Not recommend to use. You are warned. <br />
* <br />
* MyView -> com.myapppackage.widget.SuperPuperViewVeryCustom
*/
public static void register(String from, String to) {
LayoutInflater.sRemaps.put(from, to);
}
/**
* Hack for overriding android default layouts for custom.<br />
* For example, if some parts of android framework try to inflate layout {@link android.R.layout#simple_list_item_1}
* you can override this behavior and replace system layout by custom<br />
* Just call register(android.R.layout.simple_list_item_1, R.layout.my_simple_list_item)<br />
* <br />
* Be sure that you need for it before using. You are warned.
*/
public static void register(int fromId, int toId) {
if (toId == 0) {
sLayoutRemap.delete(fromId);
} else {
sLayoutRemap.put(fromId, toId);
}
}
/**
* Resolve ids for given name in each package (android and application) and then call {@link #register(int, int)}
*/
public static void register(Context context, String name) {
final Resources res = context.getResources();
int androidId = res.getIdentifier(name, "layout", "android");
int appId = res.getIdentifier(name, "layout", context.getPackageName());
if (androidId != 0 && appId != 0) {
register(androidId, appId);
} else {
HoloEverywhere.warn("Failed to register layout remapping:\n" +
" Android ID: 0x%8x\n" +
" Application ID: 0x%8x",
androidId, appId);
}
}
/**
* Resolve ids for given id in each package (android and application) and then call {@link #register(int, int)}
*/
public static void register(Context context, int id) {
register(context, context.getResources().getResourceName(id));
}
public static void registerPackage(String packageName) {
packageName = resolveFullPackageName(packageName);
if (packageName != null && !sPackages.contains(packageName)) {
sPackages.add(packageName);
}
}
private static String resolveFullPackageName(String packageName) {
Package resolvedPackage = Package.getPackage(packageName);
if (resolvedPackage == null) {
return null;
}
return resolvedPackage.getName();
}
public static void removeInstance(Context context) {
sInstances.remove(context);
}
public static void setOnInitInflaterListener(OnInitInflaterListener listener) {
sListener = listener;
}
public View _createView(String name, String prefix, AttributeSet attrs)
throws ClassNotFoundException, InflateException {
Constructor<? extends View> constructor = sConstructorMap.get(name);
Class<? extends View> clazz = null;
try {
if (constructor == null) {
clazz = mContext.getClassLoader().loadClass(
prefix != null ? prefix + name : name).asSubclass(View.class);
if (mFilter != null && clazz != null) {
boolean allowed = mFilter.onLoadClass(clazz);
if (!allowed) {
failNotAllowed(name, prefix, attrs);
}
}
constructor = clazz.getConstructor(sConstructorSignature);
sConstructorMap.put(name, constructor);
} else {
if (mFilter != null) {
Boolean allowedState = mFilterMap.get(name);
if (allowedState == null) {
clazz = mContext.getClassLoader().loadClass(
prefix != null ? prefix + name : name).asSubclass(View.class);
boolean allowed = clazz != null && mFilter.onLoadClass(clazz);
mFilterMap.put(name, allowed);
if (!allowed) {
failNotAllowed(name, prefix, attrs);
}
} else if (allowedState.equals(Boolean.FALSE)) {
failNotAllowed(name, prefix, attrs);
}
}
}
Object[] args = mConstructorArgs;
args[1] = attrs;
final View view = constructor.newInstance(args);
if (view instanceof ViewStub) {
final ViewStub viewStub = (ViewStub) view;
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
viewStub.setLayoutInflater(this);
}
}
return view;
} catch (NoSuchMethodException e) {
InflateException ie = new InflateException(attrs.getPositionDescription()
+ ": Error inflating class "
+ (prefix != null ? prefix + name : name));
ie.initCause(e);
throw ie;
} catch (ClassCastException e) {
InflateException ie = new InflateException(attrs.getPositionDescription()
+ ": Class is not a View "
+ (prefix != null ? prefix + name : name));
ie.initCause(e);
throw ie;
} catch (ClassNotFoundException e) {
throw e;
} catch (Exception e) {
InflateException ie = new InflateException(attrs.getPositionDescription()
+ ": Error inflating class "
+ (clazz == null ? "<unknown>" : clazz.getName()));
ie.initCause(e);
throw ie;
}
}
public void addFactory(Factory factory) {
checkFactoryOnNull(factory);
if (mFactories == null) {
mFactories = new ArrayList<Factory>();
}
mFactories.add(factory);
}
public void addFactory(Factory factory, int index) {
checkFactoryOnNull(factory);
if (mFactories == null) {
mFactories = new ArrayList<Factory>();
}
mFactories.add(index, factory);
}
private void checkFactoryOnNull(Factory factory) {
if (factory == null) {
throw new NullPointerException("Given factory can not be null");
}
}
@Override
public LayoutInflater cloneInContext(Context newContext) {
return new LayoutInflater(this, newContext);
}
View createViewFromTag(View parent, String name, AttributeSet attrs) {
if ("fragment".equals(name)) {
return _HoloFragmentInflater
.inflate(LayoutInflater.this, attrs, parent, mChildFragment);
}
if (name.equals("view")) {
name = attrs.getAttributeValue(null, "class");
}
try {
View view = null;
if (mFactories != null) {
for (int i = 0; i < mFactories.size(); i++) {
view = mFactories.get(i).onCreateView(parent, name, mContext, attrs);
if (view != null) {
break;
}
}
}
if (view == null) {
view = onCreateView(parent, name, attrs);
}
return prepareView(view);
} catch (InflateException e) {
throw e;
} catch (ClassNotFoundException e) {
InflateException ie = new InflateException(attrs.getPositionDescription()
+ ": Error inflating class " + name);
ie.initCause(e);
throw ie;
} catch (Exception e) {
InflateException ie = new InflateException(attrs.getPositionDescription()
+ ": Error inflating class " + name);
ie.initCause(e);
throw ie;
}
}
private void failNotAllowed(String name, String prefix, AttributeSet attrs) {
throw new InflateException(attrs.getPositionDescription()
+ ": Class not allowed to be inflated "
+ (prefix != null ? prefix + name : name));
}
@Override
public Filter getFilter() {
return mFilter;
}
@Override
public void setFilter(Filter filter) {
mFilter = filter;
if (filter != null) {
mFilterMap = new HashMap<String, Boolean>();
}
}
public FragmentActivity getFragmentActivity() {
return mFragmentActivity;
}
public void setFragmentActivity(FragmentActivity fragmentActivity) {
mFragmentActivity = fragmentActivity;
}
public View inflate(int resource) {
return inflate(resource, null, false);
}
@Override
public View inflate(int resource, ViewGroup root) {
return inflate(resource, root, root != null);
}
@Override
public View inflate(int resource, ViewGroup root, boolean attachToRoot) {
return inflate(getContext().getResources().getLayout(sLayoutRemap.get(resource, resource)), root, attachToRoot);
}
public View inflate(XmlPullParser parser) {
return inflate(parser, null, false);
}
@Override
public View inflate(XmlPullParser parser, ViewGroup root) {
return inflate(parser, root, root != null);
}
@Override
public View inflate(XmlPullParser parser, ViewGroup root,
boolean attachToRoot) {
synchronized (mConstructorArgs) {
final AttributeSet attrs = Xml.asAttributeSet(parser);
mConstructorArgs[0] = mContext;
View result = root;
try {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG &&
type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
throw new InflateException(parser.getPositionDescription()
+ ": No start tag found!");
}
final String name = parser.getName();
if (TAG_MERGE.equals(name)) {
if (root == null || !attachToRoot) {
throw new InflateException("<merge /> can be used only with a valid "
+ "ViewGroup root and attachToRoot=true");
}
rInflate(parser, root, attrs, false);
} else {
View temp;
if (TAG_1995.equals(name)) {
temp = new BlinkLayout(mContext, attrs);
} else {
temp = createViewFromTag(root, name, attrs);
}
ViewGroup.LayoutParams params = null;
if (root != null) {
params = root.generateLayoutParams(attrs);
if (!attachToRoot) {
temp.setLayoutParams(params);
}
}
rInflate(parser, temp, attrs, true);
if (root != null && attachToRoot) {
root.addView(temp, params);
}
if (root == null || !attachToRoot) {
result = temp;
}
}
} catch (XmlPullParserException e) {
InflateException ex = new InflateException(e.getMessage());
ex.initCause(e);
throw ex;
} catch (IOException e) {
InflateException ex = new InflateException(
parser.getPositionDescription()
+ ": " + e.getMessage());
ex.initCause(e);
throw ex;
} finally {
mConstructorArgs[1] = null;
}
return result;
}
}
public LayoutInflater obtainFragmentChildInflater(Fragment fragment) {
if (mParentInflater != null) {
return mParentInflater.obtainFragmentChildInflater(fragment);
}
return new LayoutInflater(this, mContext, fragment);
}
@Override
protected View onCreateView(View parent, String name, AttributeSet attrs)
throws ClassNotFoundException {
View view;
String newName = LayoutInflater.sRemaps.get(name);
if (newName != null) {
view = _createView(newName, null, attrs);
if (view != null) {
return view;
}
}
if (name.indexOf('.') > 0) {
return _createView(name, null, attrs);
}
for (int i = sPackages.size() - 1; i >= 0; i--) {
try {
view = _createView(name, sPackages.get(i) + ".", attrs);
if (view != null) {
return view;
}
} catch (ClassNotFoundException e) {
}
}
throw new ClassNotFoundException("Could not find class: " + name);
}
private void parseInclude(XmlPullParser parser, View parent, AttributeSet attrs)
throws XmlPullParserException, IOException {
int type;
if (parent instanceof ViewGroup) {
final int layout = attrs.getAttributeResourceValue(null, "layout", 0);
if (layout == 0) {
final String value = attrs.getAttributeValue(null, "layout");
if (value == null) {
throw new InflateException("You must specifiy a layout in the"
+ " include tag: <include layout=\"@layout/layoutID\" />");
} else {
throw new InflateException("You must specifiy a valid layout "
+ "reference. The layout ID " + value + " is not valid.");
}
} else {
final XmlResourceParser childParser =
getContext().getResources().getLayout(layout);
try {
final AttributeSet childAttrs = Xml.asAttributeSet(childParser);
while ((type = childParser.next()) != XmlPullParser.START_TAG &&
type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
throw new InflateException(childParser.getPositionDescription() +
": No start tag found!");
}
final String childName = childParser.getName();
if (TAG_MERGE.equals(childName)) {
rInflate(childParser, parent, childAttrs, false);
} else {
final View view = createViewFromTag(parent, childName, childAttrs);
final ViewGroup group = (ViewGroup) parent;
ViewGroup.LayoutParams params = null;
try {
params = group.generateLayoutParams(attrs);
} catch (RuntimeException e) {
params = group.generateLayoutParams(childAttrs);
} finally {
if (params != null) {
view.setLayoutParams(params);
}
}
rInflate(childParser, view, childAttrs, true);
TypedArray a = mContext.obtainStyledAttributes(attrs,
new int[]{
android.R.attr.id,
android.R.attr.visibility
}, 0, 0);
int id = a.getResourceId(0, View.NO_ID);
int visibility = a.getInt(1, -1);
a.recycle();
if (id != View.NO_ID) {
view.setId(id);
}
switch (visibility) {
case 0:
view.setVisibility(View.VISIBLE);
break;
case 1:
view.setVisibility(View.INVISIBLE);
break;
case 2:
view.setVisibility(View.GONE);
break;
}
group.addView(view);
}
} finally {
childParser.close();
}
}
} else {
throw new InflateException("<include /> can only be used inside of a ViewGroup");
}
final int currentDepth = parser.getDepth();
while (((type = parser.next()) != XmlPullParser.END_TAG ||
parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT) {
;
}
}
private void parseRequestFocus(XmlPullParser parser, View parent)
throws XmlPullParserException, IOException {
int type;
parent.requestFocus();
final int currentDepth = parser.getDepth();
while (((type = parser.next()) != XmlPullParser.END_TAG ||
parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT) {
;
}
}
@SuppressLint("NewApi")
private View prepareView(View view) {
return view;
}
void rInflate(XmlPullParser parser, View parent, final AttributeSet attrs,
boolean finishInflate) throws XmlPullParserException, IOException {
final int depth = parser.getDepth();
int type;
while (((type = parser.next()) != XmlPullParser.END_TAG ||
parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
if (type != XmlPullParser.START_TAG) {
continue;
}
final String name = parser.getName();
if (TAG_REQUEST_FOCUS.equals(name)) {
parseRequestFocus(parser, parent);
} else if (TAG_INCLUDE.equals(name)) {
if (parser.getDepth() == 0) {
throw new InflateException("<include /> cannot be the root element");
}
parseInclude(parser, parent, attrs);
} else if (TAG_MERGE.equals(name)) {
throw new InflateException("<merge /> must be the root element");
} else if (TAG_1995.equals(name)) {
final View view = new BlinkLayout(mContext, attrs);
final ViewGroup viewGroup = (ViewGroup) parent;
final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs);
rInflate(parser, view, attrs, true);
viewGroup.addView(view, params);
} else {
final View view = createViewFromTag(parent, name, attrs);
final ViewGroup viewGroup = (ViewGroup) parent;
final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs);
rInflate(parser, view, attrs, true);
viewGroup.addView(view, params);
}
}
if (finishInflate) {
Class<?> clazz = parent.getClass();
Method method = sFinishInflateMethods.get(clazz);
if (method == null) {
while (clazz != Object.class && method == null) {
try {
method = clazz.getDeclaredMethod("onFinishInflate", (Class<?>[]) null);
} catch (Exception e) {
clazz = clazz.getSuperclass();
} catch (NoClassDefFoundError e) {
// HE#596 - Let's end the search here for those less than API 14
clazz = Object.class;
}
}
if (method != null) {
method.setAccessible(true);
sFinishInflateMethods.put(parent.getClass(), method);
}
}
if (method != null) {
try {
method.invoke(parent, (Object[]) null);
} catch (Exception e) {
}
}
}
}
@Override
public void setFactory(android.view.LayoutInflater.Factory factory) {
setFactory(new FactoryWrapper(factory));
}
public void setFactory(Factory factory) {
addFactory(factory, 0);
}
@Override
public void setFactory2(Factory2 factory) {
setFactory(new Factory2Wrapper(factory));
}
protected LayoutInflater setParent(android.view.LayoutInflater original) {
if (original == this) {
return this;
}
if (original instanceof LayoutInflater) {
mParentInflater = (LayoutInflater) original;
mFilter = mParentInflater.mFilter;
mFilterMap = mParentInflater.mFilterMap;
mFactories = mParentInflater.mFactories;
} else {
mParentInflater = null;
if (VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB) {
final Factory2 factory = original.getFactory2();
if (factory != null) {
setFactory2(factory);
}
}
final android.view.LayoutInflater.Factory factory = original.getFactory();
if (factory != null) {
setFactory(factory);
}
final Filter filter = original.getFilter();
if (filter != null) {
setFilter(filter);
}
}
return this;
}
public interface Factory {
public View onCreateView(View parent, String name, Context context, AttributeSet attrs);
}
public static interface OnInitInflaterListener {
public void onInitInflater(LayoutInflater inflater);
}
private static class BlinkLayout extends FrameLayout {
private static final int BLINK_DELAY = 500;
private static final int MESSAGE_BLINK = 0x42;
private final Handler mHandler;
private boolean mBlink;
private boolean mBlinkState;
public BlinkLayout(Context context, AttributeSet attrs) {
super(context, attrs);
mHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
if (msg.what == MESSAGE_BLINK) {
if (mBlink) {
mBlinkState = !mBlinkState;
makeBlink();
}
invalidate();
return true;
}
return false;
}
});
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (mBlinkState) {
super.dispatchDraw(canvas);
}
}
private void makeBlink() {
Message message = mHandler.obtainMessage(MESSAGE_BLINK);
mHandler.sendMessageDelayed(message, BLINK_DELAY);
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
mBlink = true;
mBlinkState = true;
makeBlink();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mBlink = false;
mBlinkState = true;
mHandler.removeMessages(MESSAGE_BLINK);
}
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private static final class Factory2Wrapper implements Factory {
private Factory2 mFactory;
public Factory2Wrapper(Factory2 factory) {
mFactory = factory;
}
@Override
public View onCreateView(View parent, String name, Context context, AttributeSet attrs) {
return mFactory.onCreateView(parent, name, context, attrs);
}
}
private static final class FactoryWrapper implements Factory {
private android.view.LayoutInflater.Factory mFactory;
public FactoryWrapper(android.view.LayoutInflater.Factory factory) {
mFactory = factory;
}
@Override
public View onCreateView(View parent, String name, Context context, AttributeSet attrs) {
return mFactory.onCreateView(name, context, attrs);
}
}
@SystemService(Context.LAYOUT_INFLATER_SERVICE)
public static class LayoutInflaterCreator implements
SystemServiceCreator<LayoutInflater> {
@Override
public LayoutInflater createService(Context context) {
return LayoutInflater.from(context);
}
}
}