java/com/android/dialer/lookup/LookupCache.java - LeafOS-Project/android_packages_apps_Dialer - Gitiles

 /*
  * Copyright (C) 2014 Xiao-Long Chen <chenxiaolong@cxl.epac.to>
  *
  * 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.dialer.lookup;

 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.provider.ContactsContract.Contacts;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.TelephonyManager;
 import android.util.JsonReader;
 import android.util.JsonWriter;
 import android.util.Log;

 import com.android.dialer.phonenumbercache.ContactInfo;
 import com.android.dialer.util.DialerUtils;

 import org.json.JSONException;
 import org.json.JSONObject;

 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.InputStreamReader;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.util.ArrayList;
 import java.util.List;

 public class LookupCache {
   private static final String TAG = LookupCache.class.getSimpleName();

   public static final String NAME = "Name";
   public static final String TYPE = "Type";
   public static final String LABEL = "Label";
   public static final String NUMBER = "Number";
   public static final String FORMATTED_NUMBER = "FormattedNumber";
   public static final String NORMALIZED_NUMBER = "NormalizedNumber";
   public static final String PHOTO_ID = "PhotoID";
   public static final String LOOKUP_URI = "LookupURI";

   public static boolean hasCachedContact(Context context, String number) {
     String normalizedNumber = formatE164(context, number);
     if (normalizedNumber == null) {
         return false;
     }

     File file = getFilePath(context, normalizedNumber);
     return file.exists();
   }

   public static void cacheContact(Context context, ContactInfo info) {
     File file = getFilePath(context, info.normalizedNumber);

     if (file.exists()) {
       file.delete();
     }

     FileOutputStream out = null;
     JsonWriter writer = null;

     try {
       out = new FileOutputStream(file);
       writer = new JsonWriter(new OutputStreamWriter(out, "UTF-8"));
       writer.setIndent("  ");
       List messages = new ArrayList();

       writer.beginObject();
       if (info.name != null) {
         writer.name(NAME).value(info.name);
       }
       writer.name(TYPE).value(info.type);
       if (info.label != null) {
         writer.name(LABEL).value(info.label);
       }
       if (info.number != null) {
         writer.name(NUMBER).value(info.number);
       }
       if (info.formattedNumber != null) {
           writer.name(FORMATTED_NUMBER).value(info.formattedNumber);
       }
       if (info.normalizedNumber != null) {
           writer.name(NORMALIZED_NUMBER).value(info.normalizedNumber);
       }
       writer.name(PHOTO_ID).value(info.photoId);

       if (info.lookupUri != null) {
           writer.name(LOOKUP_URI).value(info.lookupUri.toString());
       }

       // We do not save the photo URI. If there's a cached image, that
       // will be used when the contact is retrieved. Otherwise, photoUri
       // will be set to null.

       writer.endObject();
     } catch (IOException e) {
       e.printStackTrace();
     } finally {
       DialerUtils.closeQuietly(writer);
       DialerUtils.closeQuietly(out);
     }
   }

   public static ContactInfo getCachedContact(Context context, String number) {
     String normalizedNumber = formatE164(context, number);
     if (normalizedNumber == null) {
       return null;
     }

     File file = getFilePath(context, normalizedNumber);
     if (!file.exists()) {
       // Whatever is calling this should probably check anyway
       return null;
     }

     ContactInfo info = new ContactInfo();

     FileInputStream in = null;
     JsonReader reader = null;

     try {
       in = new FileInputStream(file);
       reader = new JsonReader(new InputStreamReader(in, "UTF-8"));

       reader.beginObject();
       while (reader.hasNext()) {
         String name = reader.nextName();

         if (NAME.equals(name)) {
           info.name = reader.nextString();
         } else if (TYPE.equals(name)) {
           info.type = reader.nextInt();
         } else if (LABEL.equals(name)) {
           info.label = reader.nextString();
         } else if (NUMBER.equals(name)) {
           info.number = reader.nextString();
         } else if (FORMATTED_NUMBER.equals(name)) {
           info.formattedNumber = reader.nextString();
         } else if (NORMALIZED_NUMBER.equals(name)) {
           info.normalizedNumber = reader.nextString();
         } else if (PHOTO_ID.equals(name)) {
           info.photoId = reader.nextInt();
         } else if (LOOKUP_URI.equals(name)) {
           Uri lookupUri = Uri.parse(reader.nextString());

           if (hasCachedImage(context, normalizedNumber)) {
             // Insert cached photo URI
             Uri image = Uri.withAppendedPath(LookupProvider.IMAGE_CACHE_URI,
                 Uri.encode(normalizedNumber));

             String json = lookupUri.getEncodedFragment();
             if (json != null) {
               try {
                 JSONObject jsonObj = new JSONObject(json);
                 jsonObj.putOpt(Contacts.PHOTO_URI, image.toString());
                 lookupUri = lookupUri.buildUpon()
                     .encodedFragment(jsonObj.toString())
                     .build();
               } catch (JSONException e) {
                 Log.e(TAG, "Failed to add image URI to json", e);
               }
             }

             info.photoUri = image;
           }

           info.lookupUri = lookupUri;
         }
       }
       reader.endObject();
     } catch (IOException e) {
       e.printStackTrace();
     } finally {
       DialerUtils.closeQuietly(reader);
       DialerUtils.closeQuietly(in);
     }

     return info;
   }

   public static void deleteCachedContacts(Context context) {
     File dir = new File(context.getCacheDir(), "lookup");
     if (!dir.exists()) {
       Log.v(TAG, "Lookup cache directory does not exist. Not clearing it.");
       return;
     }

     if (!dir.isDirectory()) {
       Log.e(TAG, "Path " + dir + " is not a directory");
       return;
     }

     File[] files = dir.listFiles();
     if (files != null) {
       for (File file : files) {
         if (file.isFile()) {
           file.delete();
         }
       }
     }
   }

   public static void deleteCachedContact(Context context, String normalizedNumber) {
     File f = getFilePath(context, normalizedNumber);
     if (f.exists()) {
       f.delete();
     }

     f = getImagePath(context, normalizedNumber);
     if (f.exists()) {
       f.delete();
     }
   }

   public static boolean hasCachedImage(Context context, String number) {
     String normalizedNumber = formatE164(context, number);
     if (normalizedNumber == null) {
       return false;
     }

     File file = getImagePath(context, normalizedNumber);
     return file.exists();
   }

   public static Uri cacheImage(Context context, String normalizedNumber, Bitmap bmp) {
     // Compress the cached images to save space
     if (bmp == null) {
       Log.e(TAG, "Failed to cache image");
       return null;
     }

     File image = getImagePath(context, normalizedNumber);
     FileOutputStream out = null;

     try {
       out = new FileOutputStream(image);
       bmp.compress(Bitmap.CompressFormat.WEBP, 100, out);
       return Uri.fromFile(image);
     } catch (Exception e) {
       e.printStackTrace();
     } finally {
       DialerUtils.closeQuietly(out);
     }
     return null;
   }

   public static Bitmap getCachedImage(Context context, String normalizedNumber) {
     File image = getImagePath(context, normalizedNumber);
     if (!image.exists()) {
       return null;
     }

     BitmapFactory.Options options = new BitmapFactory.Options();
     options.inPreferredConfig = Bitmap.Config.ARGB_8888;
     return BitmapFactory.decodeFile(image.getPath(), options);
   }

   private static String formatE164(Context context, String number) {
     TelephonyManager tm = context.getSystemService(TelephonyManager.class);
     String countryIso = tm.getSimCountryIso().toUpperCase();
     return PhoneNumberUtils.formatNumberToE164(number, countryIso);
   }

   private static File getFilePath(Context context, String normalizedNumber) {
     File dir = new File(context.getCacheDir(), "lookup");
     if (!dir.exists()) {
       dir.mkdirs();
     }

     return new File(dir, normalizedNumber + ".json");
   }

   public static File getImagePath(Context context, String normalizedNumber) {
     File dir = new File(context.getCacheDir(), "lookup");
     if (!dir.exists()) {
       dir.mkdirs();
     }

     return new File(dir, normalizedNumber + ".webp");
   }
 }
	/*
	* Copyright (C) 2014 Xiao-Long Chen <chenxiaolong@cxl.epac.to>
	*
	* 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.dialer.lookup;

	import android.content.Context;
	import android.graphics.Bitmap;
	import android.graphics.BitmapFactory;
	import android.net.Uri;
	import android.provider.ContactsContract.Contacts;
	import android.telephony.PhoneNumberUtils;
	import android.telephony.TelephonyManager;
	import android.util.JsonReader;
	import android.util.JsonWriter;
	import android.util.Log;

	import com.android.dialer.phonenumbercache.ContactInfo;
	import com.android.dialer.util.DialerUtils;

	import org.json.JSONException;
	import org.json.JSONObject;

	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.io.InputStreamReader;
	import java.io.IOException;
	import java.io.OutputStreamWriter;
	import java.util.ArrayList;
	import java.util.List;

	public class LookupCache {
	private static final String TAG = LookupCache.class.getSimpleName();

	public static final String NAME = "Name";
	public static final String TYPE = "Type";
	public static final String LABEL = "Label";
	public static final String NUMBER = "Number";
	public static final String FORMATTED_NUMBER = "FormattedNumber";
	public static final String NORMALIZED_NUMBER = "NormalizedNumber";
	public static final String PHOTO_ID = "PhotoID";
	public static final String LOOKUP_URI = "LookupURI";

	public static boolean hasCachedContact(Context context, String number) {
	String normalizedNumber = formatE164(context, number);
	if (normalizedNumber == null) {
	return false;
	}

	File file = getFilePath(context, normalizedNumber);
	return file.exists();
	}

	public static void cacheContact(Context context, ContactInfo info) {
	File file = getFilePath(context, info.normalizedNumber);

	if (file.exists()) {
	file.delete();
	}

	FileOutputStream out = null;
	JsonWriter writer = null;

	try {
	out = new FileOutputStream(file);
	writer = new JsonWriter(new OutputStreamWriter(out, "UTF-8"));
	writer.setIndent(" ");
	List messages = new ArrayList();

	writer.beginObject();
	if (info.name != null) {
	writer.name(NAME).value(info.name);
	}
	writer.name(TYPE).value(info.type);
	if (info.label != null) {
	writer.name(LABEL).value(info.label);
	}
	if (info.number != null) {
	writer.name(NUMBER).value(info.number);
	}
	if (info.formattedNumber != null) {
	writer.name(FORMATTED_NUMBER).value(info.formattedNumber);
	}
	if (info.normalizedNumber != null) {
	writer.name(NORMALIZED_NUMBER).value(info.normalizedNumber);
	}
	writer.name(PHOTO_ID).value(info.photoId);

	if (info.lookupUri != null) {
	writer.name(LOOKUP_URI).value(info.lookupUri.toString());
	}

	// We do not save the photo URI. If there's a cached image, that
	// will be used when the contact is retrieved. Otherwise, photoUri
	// will be set to null.

	writer.endObject();
	} catch (IOException e) {
	e.printStackTrace();
	} finally {
	DialerUtils.closeQuietly(writer);
	DialerUtils.closeQuietly(out);
	}
	}

	public static ContactInfo getCachedContact(Context context, String number) {
	String normalizedNumber = formatE164(context, number);
	if (normalizedNumber == null) {
	return null;
	}

	File file = getFilePath(context, normalizedNumber);
	if (!file.exists()) {
	// Whatever is calling this should probably check anyway
	return null;
	}

	ContactInfo info = new ContactInfo();

	FileInputStream in = null;
	JsonReader reader = null;

	try {
	in = new FileInputStream(file);
	reader = new JsonReader(new InputStreamReader(in, "UTF-8"));

	reader.beginObject();
	while (reader.hasNext()) {
	String name = reader.nextName();

	if (NAME.equals(name)) {
	info.name = reader.nextString();
	} else if (TYPE.equals(name)) {
	info.type = reader.nextInt();
	} else if (LABEL.equals(name)) {
	info.label = reader.nextString();
	} else if (NUMBER.equals(name)) {
	info.number = reader.nextString();
	} else if (FORMATTED_NUMBER.equals(name)) {
	info.formattedNumber = reader.nextString();
	} else if (NORMALIZED_NUMBER.equals(name)) {
	info.normalizedNumber = reader.nextString();
	} else if (PHOTO_ID.equals(name)) {
	info.photoId = reader.nextInt();
	} else if (LOOKUP_URI.equals(name)) {
	Uri lookupUri = Uri.parse(reader.nextString());

	if (hasCachedImage(context, normalizedNumber)) {
	// Insert cached photo URI
	Uri image = Uri.withAppendedPath(LookupProvider.IMAGE_CACHE_URI,
	Uri.encode(normalizedNumber));

	String json = lookupUri.getEncodedFragment();
	if (json != null) {
	try {
	JSONObject jsonObj = new JSONObject(json);
	jsonObj.putOpt(Contacts.PHOTO_URI, image.toString());
	lookupUri = lookupUri.buildUpon()
	.encodedFragment(jsonObj.toString())
	.build();
	} catch (JSONException e) {
	Log.e(TAG, "Failed to add image URI to json", e);
	}
	}

	info.photoUri = image;
	}

	info.lookupUri = lookupUri;
	}
	}
	reader.endObject();
	} catch (IOException e) {
	e.printStackTrace();
	} finally {
	DialerUtils.closeQuietly(reader);
	DialerUtils.closeQuietly(in);
	}

	return info;
	}

	public static void deleteCachedContacts(Context context) {
	File dir = new File(context.getCacheDir(), "lookup");
	if (!dir.exists()) {
	Log.v(TAG, "Lookup cache directory does not exist. Not clearing it.");
	return;
	}

	if (!dir.isDirectory()) {
	Log.e(TAG, "Path " + dir + " is not a directory");
	return;
	}

	File[] files = dir.listFiles();
	if (files != null) {
	for (File file : files) {
	if (file.isFile()) {
	file.delete();
	}
	}
	}
	}

	public static void deleteCachedContact(Context context, String normalizedNumber) {
	File f = getFilePath(context, normalizedNumber);
	if (f.exists()) {
	f.delete();
	}

	f = getImagePath(context, normalizedNumber);
	if (f.exists()) {
	f.delete();
	}
	}

	public static boolean hasCachedImage(Context context, String number) {
	String normalizedNumber = formatE164(context, number);
	if (normalizedNumber == null) {
	return false;
	}

	File file = getImagePath(context, normalizedNumber);
	return file.exists();
	}

	public static Uri cacheImage(Context context, String normalizedNumber, Bitmap bmp) {
	// Compress the cached images to save space
	if (bmp == null) {
	Log.e(TAG, "Failed to cache image");
	return null;
	}

	File image = getImagePath(context, normalizedNumber);
	FileOutputStream out = null;

	try {
	out = new FileOutputStream(image);
	bmp.compress(Bitmap.CompressFormat.WEBP, 100, out);
	return Uri.fromFile(image);
	} catch (Exception e) {
	e.printStackTrace();
	} finally {
	DialerUtils.closeQuietly(out);
	}
	return null;
	}

	public static Bitmap getCachedImage(Context context, String normalizedNumber) {
	File image = getImagePath(context, normalizedNumber);
	if (!image.exists()) {
	return null;
	}

	BitmapFactory.Options options = new BitmapFactory.Options();
	options.inPreferredConfig = Bitmap.Config.ARGB_8888;
	return BitmapFactory.decodeFile(image.getPath(), options);
	}

	private static String formatE164(Context context, String number) {
	TelephonyManager tm = context.getSystemService(TelephonyManager.class);
	String countryIso = tm.getSimCountryIso().toUpperCase();
	return PhoneNumberUtils.formatNumberToE164(number, countryIso);
	}

	private static File getFilePath(Context context, String normalizedNumber) {
	File dir = new File(context.getCacheDir(), "lookup");
	if (!dir.exists()) {
	dir.mkdirs();
	}

	return new File(dir, normalizedNumber + ".json");
	}

	public static File getImagePath(Context context, String normalizedNumber) {
	File dir = new File(context.getCacheDir(), "lookup");
	if (!dir.exists()) {
	dir.mkdirs();
	}

	return new File(dir, normalizedNumber + ".webp");
	}
	}