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/*
* Copyright (C) 2015 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 org.cyanogenmod.themes.provider.util;
import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.res.ThemeManager;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.provider.ThemesContract;
import android.provider.ThemesContract.MixnMatchColumns;
import android.provider.ThemesContract.PreviewColumns;
import android.provider.ThemesContract.ThemesColumns;
import org.cyanogenmod.themes.provider.ThemesOpenHelper;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class ProviderUtils {
/**
* Convenience method for determining if a theme exists in the provider
* @param context
* @param pkgName
* @return True if the theme exists, false otherwise
*/
public static boolean themeExistsInProvider(Context context, String pkgName) {
boolean exists = false;
String[] projection = new String[] { ThemesColumns.PKG_NAME };
String selection = ThemesColumns.PKG_NAME + "=?";
String[] selectionArgs = new String[] { pkgName };
Cursor c = context.getContentResolver().query(ThemesColumns.CONTENT_URI,
projection, selection, selectionArgs, null);
if (c != null) {
exists = c.getCount() >= 1;
c.close();
}
return exists;
}
/**
* Queries the {@link android.content.res.ThemeManager} to check if the theme is currently
* being processed by {@link com.android.server.ThemeService}
* @param context
* @param pkgName
* @return True if the theme is being processed or queued up for processing
*/
public static boolean isThemeBeingProcessed(Context context, String pkgName) {
ThemeManager tm = (ThemeManager) context.getSystemService(Context.THEME_SERVICE);
return tm.isThemeBeingProcessed(pkgName);
}
/**
* Convenience method for getting the install state of a theme in the provider
* @param context
* @param pkgName
* @return
*/
public static int getInstallStateForTheme(Context context, String pkgName) {
if (context == null || pkgName == null) return ThemesColumns.InstallState.UNKNOWN;
String[] projection = new String[] { ThemesColumns.INSTALL_STATE };
String selection = ThemesColumns.PKG_NAME + "=?";
String[] selectionArgs = new String[] { pkgName };
Cursor c = context.getContentResolver().query(ThemesColumns.CONTENT_URI,
projection, selection, selectionArgs, null);
int state = ThemesColumns.InstallState.UNKNOWN;
if (c != null) {
if (c.moveToFirst()) {
state = c.getInt(c.getColumnIndex(ThemesColumns.INSTALL_STATE));
}
c.close();
}
return state;
}
public static String getCurrentThemeForComponent(Context context, String selection,
String[] selectionArgs) {
if (context == null || selection == null || selectionArgs == null) {
return null;
}
String[] projection = new String[] {MixnMatchColumns.COL_VALUE};
Cursor c = context.getContentResolver().query(MixnMatchColumns.CONTENT_URI,
projection, selection, selectionArgs, null);
String themePkgName = null;
if (c != null) {
if (c.moveToFirst()) {
themePkgName = c.getString(c.getColumnIndex(MixnMatchColumns.COL_VALUE));
}
c.close();
}
return themePkgName;
}
public static String[] modifyPreviewsProjection(String[] projection) {
Set<String> validKeys =
new HashSet<String>(Arrays.asList(ThemesContract.PreviewColumns.VALID_KEYS));
ArrayList<String> newProjection = new ArrayList<String>();
for (String item : projection) {
if (validKeys.contains(item)) {
newProjection.add(getProjectionFromKeyValue(item));
} else {
newProjection.add(item);
}
}
return newProjection.toArray(new String[newProjection.size()]);
}
public static String modifyDefaultPreviewsSelection(String selection, String[] projection) {
String newSelection = modifyPreviewsSelection(selection, projection);
newSelection += " AND " + PreviewColumns.COMPONENT_ID + "=0";
return newSelection;
}
public static String modifyPreviewsSelection(String selection, String[] projection) {
String newSelection = selection;
List<String> projectionItems = getPreviewProjectionItems(projection);
if (projectionItems.size() > 0) {
newSelection += " AND (";
for (int i = 0; i < projectionItems.size(); i++) {
newSelection += PreviewColumns.COL_KEY + "=?";
if (i < projectionItems.size() - 1) {
newSelection += " OR ";
}
}
newSelection += ")";
}
return newSelection;
}
public static String[] modifyPreviewsSelectionArgs(String[] selectionArgs,
String[] projection) {
ArrayList<String> newSelectionArgs =
new ArrayList<String>(Arrays.asList(selectionArgs));
List<String> projectionItems = getPreviewProjectionItems(projection);
for (String item : projectionItems) {
newSelectionArgs.add(item);
}
return newSelectionArgs.toArray(new String[newSelectionArgs.size()]);
}
public static List<String> getPreviewProjectionItems(String[] projection) {
Set<String> validKeys =
new HashSet<String>(Arrays.asList(PreviewColumns.VALID_KEYS));
ArrayList<String> newProjection = new ArrayList<String>();
for (String item : projection) {
if (validKeys.contains(item)) {
newProjection.add(getProjectionFromKeyValue(item));
}
}
return newProjection;
}
/**
* This allows pivoting key/value pairs as column/entry pairs.
* This is only needed when querying multiple keys at a time.
* @param keyValue
* @return
*/
public static String getProjectionFromKeyValue(String keyValue) {
return String.format("MAX( CASE %s WHEN '%s' THEN %s ELSE NULL END) AS %s",
ThemesContract.PreviewColumns.COL_KEY, keyValue,
ThemesContract.PreviewColumns.COL_VALUE, keyValue);
}
/**
* Sends the {@link android.provider.ThemesContract.Intent#ACTION_THEME_INSTALLED} action
* @param context
* @param pkgName
*/
public static void sendThemeInstalledBroadcast(Context context, String pkgName) {
Intent intent = new Intent(ThemesContract.Intent.ACTION_THEME_INSTALLED,
Uri.fromParts(ThemesContract.Intent.URI_SCHEME_PACKAGE, pkgName, null));
context.sendBroadcast(intent, Manifest.permission.READ_THEMES);
}
/**
* Sends the {@link android.provider.ThemesContract.Intent#ACTION_THEME_UPDATED} action
* @param context
* @param pkgName
*/
public static void sendThemeUpdatedBroadcast(Context context, String pkgName) {
Intent intent = new Intent(ThemesContract.Intent.ACTION_THEME_UPDATED,
Uri.fromParts(ThemesContract.Intent.URI_SCHEME_PACKAGE, pkgName, null));
context.sendBroadcast(intent, Manifest.permission.READ_THEMES);
}
/**
* Sends the {@link android.provider.ThemesContract.Intent#ACTION_THEME_REMOVED} action
* @param context
* @param pkgName
*/
public static void sendThemeRemovedBroadcast(Context context, String pkgName) {
Intent intent = new Intent(ThemesContract.Intent.ACTION_THEME_REMOVED,
Uri.fromParts(ThemesContract.Intent.URI_SCHEME_PACKAGE, pkgName, null));
context.sendBroadcast(intent, Manifest.permission.READ_THEMES);
}
}
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