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/*
* Copyright (C) 2014 The CyanogenMod 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 com.android.launcher3;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class ThemeChangedReceiver extends BroadcastReceiver {
private static final String EXTRA_COMPONENTS = "components";
public static final String MODIFIES_ICONS = "mods_icons";
public static final String MODIFIES_FONTS = "mods_fonts";
public static final String MODIFIES_OVERLAYS = "mods_overlays";
public void onReceive(Context context, Intent intent) {
// components is a '|' delimited string of the components that changed
// due to a theme change.
String components = intent.getStringExtra(EXTRA_COMPONENTS);
if (components != null) {
LauncherAppState.setApplicationContext(context.getApplicationContext());
LauncherAppState app = LauncherAppState.getInstance();
if (isInterestingThemeChange(components)) {
app.getIconCache().flush();
app.getModel().forceReload();
}
}
}
/**
* We consider this an "interesting" theme change if it modifies icons, overlays, or fonts.
* @param components
* @return
*/
private boolean isInterestingThemeChange(String components) {
return components.contains(MODIFIES_ICONS) || components.contains(MODIFIES_FONTS) ||
components.contains(MODIFIES_OVERLAYS);
}
}
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