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/*
*
* Copyright (c) 2010 Steve Slaven
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package net.hoopajoo.android.SoftKeys;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RemoteViews;
public class Theme {
// the stack of resources we look through for stuff, first match
// is the returned item (typically will be theme, app)
List<IdPack> mResources = new ArrayList<IdPack>();
Theme( Context c, String name ) {
PackageManager pm = c.getPackageManager();
try {
IdPack i = new IdPack();
i.name = name;
i.R = pm.getResourcesForApplication( name );
mResources.add( i );
}catch( Exception e ) {
// bad theme name
}
// add app as last resort
IdPack i = new IdPack();
i.name = c.getPackageName();
i.R = c.getResources();
mResources.add( i );
}
// Semi-stacked actions, look in theme, if not found, look in app
// this way you can have a generic "button" but also more specific buttons,
// like "service_back_button" if they need something more flashy allowing each
// individual button to be different, or just define the base "button" and have
// different icons
public Drawable getDrawable( String[] name ) {
IdPack i = getId( name, "drawable" );
if( i != null ) {
return i.R.getDrawable( i.id );
}
//Log.e( "SoftKeysTheme", "Unable to find drawable resource: " + name );
return( null );
}
// For use mostly with the notification bar, allowing custom themes to include
// new icons primarily, but since it's a layout they can do more than that
public RemoteViews getRemoteViews( String[] name ) {
IdPack i = getId( name, "layout" );
if( i != null ) {
Log.e( "SoftKeysTheme", "Found remoteview" );
return new RemoteViews( i.name, i.id );
}
return null;
}
public View inflateLayout( Context c, String[] name, ViewGroup root, boolean add ) {
// this makes a phony context to fool the layout inflater to use alternate resources
// for resolution, e.g. android:background="@drawable/background.png"
// without the phony context, we would instead end up using resources from the main
// app instead of the resources referenced in the theme
//
// this is not documented but I can't find an officially supported way to inflate views
// containing references from other packages
IdPack i = getId( name, "layout" );
if( i != null ) {
FakeContext fake = new FakeContext( c, i.R );
// you can't create this from the fake context, it still pulls a system service
LayoutInflater inflater = LayoutInflater.from( c ).cloneInContext( fake );
return inflater.inflate( i.R.getXml( i.id ), root, add );
}
return( null );
}
/*
public XmlResourceParser getLayout( String[] name ) {
IdPack i = getId( name, "layout" );
if( i != null ) {
return i.R.getXml( i.id );
}
Log.e( "SoftKeysTheme", "Unable to find layout resource: " + name );
return null;
}
*/
private IdPack getId( String[] name, String type ) {
// return the most specific match, from theme first then from app
for( IdPack check : mResources ) {
for( String n : name ) {
int id = check.R.getIdentifier( n, type, check.name );
if( id != 0 ) {
IdPack i = new IdPack(); // return copy in case they need more than 1 id going (we don't right now)
i.id = id;
i.R = check.R;
i.name = check.name;
return( i );
}
}
}
return null;
}
private class IdPack {
int id;
Resources R;
String name;
IdPack() {
}
}
private class FakeContext extends ContextWrapper {
// from perusing layoutinflater.java it basically uses the context
// for getResources() so we use this to fake it out
private Resources mResources = null;
private Resources.Theme mTheme = null;
private int mThemeResource = 0;
FakeContext( Context c, Resources r ) {
super( c );
mResources = r;
}
// this is based on ContextImpl
// also override gettheme since it caches the old context resource
@Override
public void setTheme(int resid) {
mThemeResource = resid;
}
@Override
public Resources.Theme getTheme() {
if (mTheme == null) {
if( mThemeResource == 0 ) {
// mThemeResource = com.android.internal.R.style.Theme;
try {
mThemeResource = (Integer) Class.forName(
"com.android.internal.R$style").getField("Theme").get(null);
}catch( Exception e ) {
}
}
mTheme = mResources.newTheme();
if( mThemeResource != 0 ) {
mTheme.applyStyle(mThemeResource, true);
}
}
return mTheme;
}
@Override
public Resources getResources() {
//Log.d( "fake", "returning fake resources" );
return mResources;
}
}
}
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