104 lines
3.1 KiB
Java
104 lines
3.1 KiB
Java
|
/*
|
||
|
|
* Copyright (C) 2006 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package android.view;
|
||
|
|
|
||
|
|
import android.content.Context;
|
||
|
|
import android.content.ContextWrapper;
|
||
|
|
import android.content.res.Resources;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A ContextWrapper that allows you to modify the theme from what is in the
|
||
|
|
* wrapped context.
|
||
|
|
*/
|
||
|
|
public class ContextThemeWrapper extends ContextWrapper {
|
||
|
|
private Context mBase;
|
||
|
|
private int mThemeResource;
|
||
|
|
private Resources.Theme mTheme;
|
||
|
|
private LayoutInflater mInflater;
|
||
|
|
|
||
|
|
public ContextThemeWrapper() {
|
||
|
|
super(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
public ContextThemeWrapper(Context base, int themeres) {
|
||
|
|
super(base);
|
||
|
|
mBase = base;
|
||
|
|
mThemeResource = themeres;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override protected void attachBaseContext(Context newBase) {
|
||
|
|
super.attachBaseContext(newBase);
|
||
|
|
mBase = newBase;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override public void setTheme(int resid) {
|
||
|
|
mThemeResource = resid;
|
||
|
|
initializeTheme();
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override public Resources.Theme getTheme() {
|
||
|
|
if (mTheme != null) {
|
||
|
|
return mTheme;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mThemeResource == 0) {
|
||
|
|
mThemeResource = com.android.internal.R.style.Theme;
|
||
|
|
}
|
||
|
|
initializeTheme();
|
||
|
|
|
||
|
|
return mTheme;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override public Object getSystemService(String name) {
|
||
|
|
if (LAYOUT_INFLATER_SERVICE.equals(name)) {
|
||
|
|
if (mInflater == null) {
|
||
|
|
mInflater = LayoutInflater.from(mBase).cloneInContext(this);
|
||
|
|
}
|
||
|
|
return mInflater;
|
||
|
|
}
|
||
|
|
return mBase.getSystemService(name);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Called by {@link #setTheme} and {@link #getTheme} to apply a theme
|
||
|
|
* resource to the current Theme object. Can override to change the
|
||
|
|
* default (simple) behavior. This method will not be called in multiple
|
||
|
|
* threads simultaneously.
|
||
|
|
*
|
||
|
|
* @param theme The Theme object being modified.
|
||
|
|
* @param resid The theme style resource being applied to <var>theme</var>.
|
||
|
|
* @param first Set to true if this is the first time a style is being
|
||
|
|
* applied to <var>theme</var>.
|
||
|
|
*/
|
||
|
|
protected void onApplyThemeResource(Resources.Theme theme, int resid, boolean first) {
|
||
|
|
theme.applyStyle(resid, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void initializeTheme() {
|
||
|
|
final boolean first = mTheme == null;
|
||
|
|
if (first) {
|
||
|
|
mTheme = getResources().newTheme();
|
||
|
|
Resources.Theme theme = mBase.getTheme();
|
||
|
|
if (theme != null) {
|
||
|
|
mTheme.setTo(theme);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
onApplyThemeResource(mTheme, mThemeResource, first);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|