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Diffstat (limited to 'InCallUI/src/com/android/incallui/ContactsAsyncHelper.java')
-rw-r--r--InCallUI/src/com/android/incallui/ContactsAsyncHelper.java258
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diff --git a/InCallUI/src/com/android/incallui/ContactsAsyncHelper.java b/InCallUI/src/com/android/incallui/ContactsAsyncHelper.java
deleted file mode 100644
index d959fadd4..000000000
--- a/InCallUI/src/com/android/incallui/ContactsAsyncHelper.java
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@@ -1,258 +0,0 @@
-/*
- * Copyright (C) 2008 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 com.android.incallui;
-
-import android.app.Notification;
-import android.content.ContentUris;
-import android.content.Context;
-import android.content.res.AssetFileDescriptor;
-import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.Looper;
-import android.os.Message;
-import android.provider.ContactsContract.Contacts;
-
-import com.android.dialer.R;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * Helper class for loading contacts photo asynchronously.
- */
-public class ContactsAsyncHelper {
-
- /**
- * Interface for a WorkerHandler result return.
- */
- public interface OnImageLoadCompleteListener {
- /**
- * Called when the image load is complete.
- *
- * @param token Integer passed in {@link ContactsAsyncHelper#startObtainPhotoAsync(int,
- * Context, Uri, OnImageLoadCompleteListener, Object)}.
- * @param photo Drawable object obtained by the async load.
- * @param photoIcon Bitmap object obtained by the async load.
- * @param cookie Object passed in {@link ContactsAsyncHelper#startObtainPhotoAsync(int,
- * Context, Uri, OnImageLoadCompleteListener, Object)}. Can be null iff. the original
- * cookie is null.
- */
- public void onImageLoadComplete(int token, Drawable photo, Bitmap photoIcon,
- Object cookie);
- }
-
- // constants
- private static final int EVENT_LOAD_IMAGE = 1;
-
- private final Handler mResultHandler = new Handler() {
- /** Called when loading is done. */
- @Override
- public void handleMessage(Message msg) {
- WorkerArgs args = (WorkerArgs) msg.obj;
- switch (msg.arg1) {
- case EVENT_LOAD_IMAGE:
- if (args.listener != null) {
- Log.d(this, "Notifying listener: " + args.listener.toString() +
- " image: " + args.displayPhotoUri + " completed");
- args.listener.onImageLoadComplete(msg.what, args.photo, args.photoIcon,
- args.cookie);
- }
- break;
- default:
- }
- }
- };
-
- /** Handler run on a worker thread to load photo asynchronously. */
- private static Handler sThreadHandler;
-
- /** For forcing the system to call its constructor */
- @SuppressWarnings("unused")
- private static ContactsAsyncHelper sInstance;
-
- static {
- sInstance = new ContactsAsyncHelper();
- }
-
- private static final class WorkerArgs {
- public Context context;
- public Uri displayPhotoUri;
- public Drawable photo;
- public Bitmap photoIcon;
- public Object cookie;
- public OnImageLoadCompleteListener listener;
- }
-
- /**
- * Thread worker class that handles the task of opening the stream and loading
- * the images.
- */
- private class WorkerHandler extends Handler {
- public WorkerHandler(Looper looper) {
- super(looper);
- }
-
- @Override
- public void handleMessage(Message msg) {
- WorkerArgs args = (WorkerArgs) msg.obj;
-
- switch (msg.arg1) {
- case EVENT_LOAD_IMAGE:
- InputStream inputStream = null;
- try {
- try {
- inputStream = args.context.getContentResolver()
- .openInputStream(args.displayPhotoUri);
- } catch (Exception e) {
- Log.e(this, "Error opening photo input stream", e);
- }
-
- if (inputStream != null) {
- args.photo = Drawable.createFromStream(inputStream,
- args.displayPhotoUri.toString());
-
- // This assumes Drawable coming from contact database is usually
- // BitmapDrawable and thus we can have (down)scaled version of it.
- args.photoIcon = getPhotoIconWhenAppropriate(args.context, args.photo);
-
- Log.d(ContactsAsyncHelper.this, "Loading image: " + msg.arg1 +
- " token: " + msg.what + " image URI: " + args.displayPhotoUri);
- } else {
- args.photo = null;
- args.photoIcon = null;
- Log.d(ContactsAsyncHelper.this, "Problem with image: " + msg.arg1 +
- " token: " + msg.what + " image URI: " + args.displayPhotoUri +
- ", using default image.");
- }
- } finally {
- if (inputStream != null) {
- try {
- inputStream.close();
- } catch (IOException e) {
- Log.e(this, "Unable to close input stream.", e);
- }
- }
- }
- break;
- default:
- }
-
- // send the reply to the enclosing class.
- Message reply = ContactsAsyncHelper.this.mResultHandler.obtainMessage(msg.what);
- reply.arg1 = msg.arg1;
- reply.obj = msg.obj;
- reply.sendToTarget();
- }
-
- /**
- * Returns a Bitmap object suitable for {@link Notification}'s large icon. This might
- * return null when the given Drawable isn't BitmapDrawable, or if the system fails to
- * create a scaled Bitmap for the Drawable.
- */
- private Bitmap getPhotoIconWhenAppropriate(Context context, Drawable photo) {
- if (!(photo instanceof BitmapDrawable)) {
- return null;
- }
- int iconSize = context.getResources()
- .getDimensionPixelSize(R.dimen.notification_icon_size);
- Bitmap orgBitmap = ((BitmapDrawable) photo).getBitmap();
- int orgWidth = orgBitmap.getWidth();
- int orgHeight = orgBitmap.getHeight();
- int longerEdge = orgWidth > orgHeight ? orgWidth : orgHeight;
- // We want downscaled one only when the original icon is too big.
- if (longerEdge > iconSize) {
- float ratio = ((float) longerEdge) / iconSize;
- int newWidth = (int) (orgWidth / ratio);
- int newHeight = (int) (orgHeight / ratio);
- // If the longer edge is much longer than the shorter edge, the latter may
- // become 0 which will cause a crash.
- if (newWidth <= 0 || newHeight <= 0) {
- Log.w(this, "Photo icon's width or height become 0.");
- return null;
- }
-
- // It is sure ratio >= 1.0f in any case and thus the newly created Bitmap
- // should be smaller than the original.
- return Bitmap.createScaledBitmap(orgBitmap, newWidth, newHeight, true);
- } else {
- return orgBitmap;
- }
- }
- }
-
- /**
- * Private constructor for static class
- */
- private ContactsAsyncHelper() {
- HandlerThread thread = new HandlerThread("ContactsAsyncWorker");
- thread.start();
- sThreadHandler = new WorkerHandler(thread.getLooper());
- }
-
- /**
- * Starts an asynchronous image load. After finishing the load,
- * {@link OnImageLoadCompleteListener#onImageLoadComplete(int, Drawable, Bitmap, Object)}
- * will be called.
- *
- * @param token Arbitrary integer which will be returned as the first argument of
- * {@link OnImageLoadCompleteListener#onImageLoadComplete(int, Drawable, Bitmap, Object)}
- * @param context Context object used to do the time-consuming operation.
- * @param displayPhotoUri Uri to be used to fetch the photo
- * @param listener Callback object which will be used when the asynchronous load is done.
- * Can be null, which means only the asynchronous load is done while there's no way to
- * obtain the loaded photos.
- * @param cookie Arbitrary object the caller wants to remember, which will become the
- * fourth argument of {@link OnImageLoadCompleteListener#onImageLoadComplete(int, Drawable,
- * Bitmap, Object)}. Can be null, at which the callback will also has null for the argument.
- */
- public static final void startObtainPhotoAsync(int token, Context context, Uri displayPhotoUri,
- OnImageLoadCompleteListener listener, Object cookie) {
- // in case the source caller info is null, the URI will be null as well.
- // just update using the placeholder image in this case.
- if (displayPhotoUri == null) {
- Log.wtf("startObjectPhotoAsync", "Uri is missing");
- return;
- }
-
- // Added additional Cookie field in the callee to handle arguments
- // sent to the callback function.
-
- // setup arguments
- WorkerArgs args = new WorkerArgs();
- args.cookie = cookie;
- args.context = context;
- args.displayPhotoUri = displayPhotoUri;
- args.listener = listener;
-
- // setup message arguments
- Message msg = sThreadHandler.obtainMessage(token);
- msg.arg1 = EVENT_LOAD_IMAGE;
- msg.obj = args;
-
- Log.d("startObjectPhotoAsync", "Begin loading image: " + args.displayPhotoUri +
- ", displaying default image for now.");
-
- // notify the thread to begin working
- sThreadHandler.sendMessage(msg);
- }
-
-
-}
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