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Commit 7378cf38 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Use openPipeHelper() for streaming IconsContentProvider data." into rvc-dev am: 100ae78d 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12000566

Change-Id: If8f90e71a5ab73b1ee2ad568975207a2d1b975d1
parents cb1c9cc7 100ae78d

services/core/java/com/android/server/textclassifier/IconsContentProvider.java

+42 −24
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ import android.os.ParcelFileDescriptor; 
import android.os.ParcelFileDescriptor.AutoCloseOutputStream;

import android.os.UserHandle;

import android.util.Log;

import android.util.Pair;



import com.android.internal.annotations.VisibleForTesting;

import com.android.server.textclassifier.IconsUriHelper.ResourceInfo;
@@ -34,6 +35,7 @@ import com.android.server.textclassifier.IconsUriHelper.ResourceInfo; 
import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.util.Arrays;



/**

 * A content provider that is used to access icons returned from the TextClassifier service.
@@ -46,32 +48,40 @@ import java.io.OutputStream; 
public final class IconsContentProvider extends ContentProvider {



    private static final String TAG = "IconsContentProvider";

    private static final String MIME_TYPE = "image/png";



    private final PipeDataWriter<Pair<ResourceInfo, Integer>> mWriter =

            (writeSide, uri, mimeType, bundle, args) -> {

                try (OutputStream out = new AutoCloseOutputStream(writeSide)) {

                    final ResourceInfo res = args.first;

                    final int userId = args.second;

                    final Drawable drawable = Icon.createWithResource(res.packageName, res.id)

                                .loadDrawableAsUser(getContext(), userId);

                    getBitmap(drawable).compress(Bitmap.CompressFormat.PNG, 100, out);

                } catch (Exception e) {

                    Log.e(TAG, "Error retrieving icon for uri: " + uri, e);

                }

            };



    @Override

    public ParcelFileDescriptor openFile(Uri uri, String mode) {

        try {

        final ResourceInfo res = IconsUriHelper.getInstance().getResourceInfo(uri);

            final Drawable drawable = Icon.createWithResource(res.packageName, res.id)

                    .loadDrawableAsUser(getContext(), UserHandle.getCallingUserId());

            final byte[] data = getBitmapData(drawable);

            final ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();

            final ParcelFileDescriptor readSide = pipe[0];

            final ParcelFileDescriptor writeSide = pipe[1];

            try (OutputStream out = new AutoCloseOutputStream(writeSide)) {

                out.write(data);

                return readSide;

        if (res == null) {

            Log.e(TAG, "No icon found for uri: " + uri);

            return null;

        }

        } catch (IOException | RuntimeException e) {

            Log.e(TAG, "Error retrieving icon for uri: " + uri, e);



        try {

            final Pair<ResourceInfo, Integer> args = new Pair(res, UserHandle.getCallingUserId());

            return openPipeHelper(uri, MIME_TYPE, /* bundle= */ null, args, mWriter);

        } catch (IOException e) {

            Log.e(TAG, "Error opening pipe helper for icon at uri: " + uri, e);

        }



        return null;

    }



    /**

     * Returns the bitmap data for the specified drawable.

     */

    @VisibleForTesting

    public static byte[] getBitmapData(Drawable drawable) {

    private static Bitmap getBitmap(Drawable drawable) {

        if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {

            throw new IllegalStateException("The icon is zero-sized");

        }
@@ -85,16 +95,24 @@ public final class IconsContentProvider extends ContentProvider { 
        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());

        drawable.draw(canvas);



        final ByteArrayOutputStream stream = new ByteArrayOutputStream();

        bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);

        final byte[] byteArray = stream.toByteArray();

        bitmap.recycle();

        return byteArray;

        return bitmap;

    }



    /**

     * Returns true if the drawables are considered the same.

     */

    @VisibleForTesting

    public static boolean sameIcon(Drawable one, Drawable two) {

        final ByteArrayOutputStream stream1 = new ByteArrayOutputStream();

        getBitmap(one).compress(Bitmap.CompressFormat.PNG, 100, stream1);

        final ByteArrayOutputStream stream2 = new ByteArrayOutputStream();

        getBitmap(two).compress(Bitmap.CompressFormat.PNG, 100, stream2);

        return Arrays.equals(stream1.toByteArray(), stream2.toByteArray());

    }



    @Override

    public String getType(Uri uri) {

        return "image/png";

        return MIME_TYPE;

    }



    @Override

services/tests/servicestests/src/com/android/server/textclassifier/IconsContentProviderTest.java

+1 −2
Original line number Diff line number Diff line
@@ -50,8 +50,7 @@ public final class IconsContentProviderTest { 


        final Drawable actual = Icon.createWithContentUri(uri).loadDrawable(context);

        assertThat(actual).isNotNull();

        assertThat(IconsContentProvider.getBitmapData(actual))

                .isEqualTo(IconsContentProvider.getBitmapData(expected));

        assertThat(IconsContentProvider.sameIcon(actual, expected)).isTrue();

    }



    @Test