diff options
Diffstat (limited to 'src/com/android/tv/dvr/ui/ChangeImageTransformWithScaledParent.java')
-rw-r--r-- | src/com/android/tv/dvr/ui/ChangeImageTransformWithScaledParent.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/com/android/tv/dvr/ui/ChangeImageTransformWithScaledParent.java b/src/com/android/tv/dvr/ui/ChangeImageTransformWithScaledParent.java new file mode 100644 index 00000000..cddece73 --- /dev/null +++ b/src/com/android/tv/dvr/ui/ChangeImageTransformWithScaledParent.java @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2016 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.tv.dvr.ui; + +import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.Matrix; +import android.graphics.drawable.BitmapDrawable; +import android.transition.ChangeImageTransform; +import android.transition.TransitionValues; +import android.util.AttributeSet; +import android.view.View; +import android.widget.ImageView; +import android.widget.ImageView.ScaleType; + +import com.android.tv.R; + +import java.util.Map; + +/** + * TODO: Remove this class once b/32405620 is fixed. + * This class is for the workaround of b/32405620 and only for the shared element transition between + * {@link com.android.tv.dvr.ui.browse.RecordingCardView} and + * {@link com.android.tv.dvr.ui.browse.DvrDetailsActivity}. + */ +public class ChangeImageTransformWithScaledParent extends ChangeImageTransform { + private static final String PROPNAME_MATRIX = "android:changeImageTransform:matrix"; + + public ChangeImageTransformWithScaledParent(Context context, AttributeSet attrs) { + super(context, attrs); + } + + @Override + public void captureStartValues(TransitionValues transitionValues) { + super.captureStartValues(transitionValues); + applyParentScale(transitionValues); + } + + @Override + public void captureEndValues(TransitionValues transitionValues) { + super.captureEndValues(transitionValues); + applyParentScale(transitionValues); + } + + private void applyParentScale(TransitionValues transitionValues) { + View view = transitionValues.view; + Map<String, Object> values = transitionValues.values; + Matrix matrix = (Matrix) values.get(PROPNAME_MATRIX); + if (matrix != null && view.getId() == R.id.details_overview_image + && view instanceof ImageView) { + ImageView imageView = (ImageView) view; + if (imageView.getScaleType() == ScaleType.CENTER_INSIDE + && imageView.getDrawable() instanceof BitmapDrawable) { + Bitmap bitmap = ((BitmapDrawable) imageView.getDrawable()).getBitmap(); + if (bitmap.getWidth() < imageView.getWidth() + && bitmap.getHeight() < imageView.getHeight()) { + float scale = imageView.getContext().getResources().getFraction( + R.fraction.lb_focus_zoom_factor_medium, 1, 1); + matrix.postScale(scale, scale, imageView.getWidth() / 2, + imageView.getHeight() / 2); + } + } + } + } +} |