| /* |
| * Copyright (C) 2022 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.wallpaper.picker; |
| |
| import static android.stats.style.StyleEnums.SET_WALLPAPER_ENTRY_POINT_WALLPAPER_PREVIEW; |
| import static android.view.View.MeasureSpec.EXACTLY; |
| import static android.view.View.MeasureSpec.makeMeasureSpec; |
| |
| import static com.android.wallpaper.util.WallpaperSurfaceCallback.LOW_RES_BITMAP_BLUR_RADIUS; |
| |
| import static com.google.android.material.bottomsheet.BottomSheetBehavior.STATE_EXPANDED; |
| import static com.google.android.material.bottomsheet.BottomSheetBehavior.STATE_HIDDEN; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.app.Activity; |
| import android.app.WallpaperManager; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.Point; |
| import android.graphics.PointF; |
| import android.graphics.Rect; |
| import android.graphics.RenderEffect; |
| import android.graphics.Shader; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.Surface; |
| import android.view.SurfaceControlViewHost; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.LayoutParams; |
| import android.view.animation.Interpolator; |
| import android.view.animation.PathInterpolator; |
| import android.widget.ImageView; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.wallpaper.R; |
| import com.android.wallpaper.asset.Asset; |
| import com.android.wallpaper.asset.CurrentWallpaperAsset; |
| import com.android.wallpaper.model.SetWallpaperViewModel; |
| import com.android.wallpaper.model.WallpaperInfo.ColorInfo; |
| import com.android.wallpaper.module.BitmapCropper; |
| import com.android.wallpaper.module.Injector; |
| import com.android.wallpaper.module.InjectorProvider; |
| import com.android.wallpaper.module.WallpaperPersister.Destination; |
| import com.android.wallpaper.module.WallpaperPreferences; |
| import com.android.wallpaper.util.DisplayUtils; |
| import com.android.wallpaper.util.OnFullResImageViewStateChangedListener; |
| import com.android.wallpaper.util.ResourceUtils; |
| import com.android.wallpaper.util.RtlUtils; |
| import com.android.wallpaper.util.ScreenSizeCalculator; |
| import com.android.wallpaper.util.WallpaperColorsExtractor; |
| import com.android.wallpaper.util.WallpaperCropUtils; |
| |
| import com.bumptech.glide.Glide; |
| import com.bumptech.glide.MemoryCategory; |
| import com.davemorrissey.labs.subscaleview.ImageSource; |
| import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView; |
| import com.google.android.material.bottomsheet.BottomSheetBehavior; |
| |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| /** |
| * Fragment which displays the UI for previewing an individual static image wallpaper and its |
| * attribution information. |
| */ |
| public class ImagePreviewFragment extends PreviewFragment { |
| |
| private static final String TAG = "ImagePreviewFragment"; |
| |
| private static final float DEFAULT_WALLPAPER_MAX_ZOOM = 8f; |
| private static final Interpolator ALPHA_OUT = new PathInterpolator(0f, 0f, 0.8f, 1f); |
| private static final Executor sExecutor = Executors.newCachedThreadPool(); |
| |
| private final WallpaperSurfaceCallback mWallpaperSurfaceCallback = |
| new WallpaperSurfaceCallback(); |
| private final Injector mInjector = InjectorProvider.getInjector(); |
| |
| /** |
| * Size of the screen considered for cropping the wallpaper (typically the same as |
| * {@link #mScreenSize} but it could be different on multi-display) |
| */ |
| private Point mWallpaperScreenSize; |
| /** |
| * The size of the current screen |
| */ |
| private Point mScreenSize; |
| protected Point mRawWallpaperSize; // Native size of wallpaper image. |
| private WallpaperPreferences mWallpaperPreferences; |
| protected Asset mWallpaperAsset; |
| protected Future<ColorInfo> mColorFuture; |
| private WallpaperPreviewBitmapTransformation mPreviewBitmapTransformation; |
| private BitmapCropper mBitmapCropper; |
| private WallpaperColorsExtractor mWallpaperColorsExtractor; |
| private DisplayUtils mDisplayUtils; |
| private WallpaperManager mWallpaperManager; |
| |
| // UI |
| protected SurfaceView mWallpaperSurface; |
| protected ImageView mLowResImageView; |
| protected SubsamplingScaleImageView mFullResImageView; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| Context context = requireContext(); |
| Context appContext = context.getApplicationContext(); |
| mWallpaperAsset = mWallpaper.getAsset(appContext); |
| mColorFuture = mWallpaper.computeColorInfo(context); |
| mWallpaperPreferences = mInjector.getPreferences(context); |
| mPreviewBitmapTransformation = new WallpaperPreviewBitmapTransformation( |
| appContext, RtlUtils.isRtl(context)); |
| mBitmapCropper = mInjector.getBitmapCropper(); |
| mWallpaperColorsExtractor = new WallpaperColorsExtractor(sExecutor, Handler.getMain()); |
| mWallpaperManager = context.getSystemService(WallpaperManager.class); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View view = super.onCreateView(inflater, container, savedInstanceState); |
| if (view == null) { |
| return null; |
| } |
| // Until we have initialized mRawWallpaperSize, we can't set wallpaper |
| mSetWallpaperButton.setEnabled(false); |
| mSetWallpaperButtonContainer.setEnabled(false); |
| Activity activity = requireActivity(); |
| mDisplayUtils = mInjector.getDisplayUtils(activity); |
| ScreenSizeCalculator screenSizeCalculator = ScreenSizeCalculator.getInstance(); |
| mScreenSize = screenSizeCalculator.getScreenSize( |
| activity.getWindowManager().getDefaultDisplay()); |
| // "Wallpaper screen" size will be the size of the largest screen available |
| mWallpaperScreenSize = screenSizeCalculator.getScreenSize( |
| mDisplayUtils.getWallpaperDisplay()); |
| // Touch forwarding layout |
| setUpTouchForwardingLayout(); |
| // Wallpaper surface |
| mWallpaperSurface = view.findViewById(R.id.wallpaper_surface); |
| mWallpaperSurface.getHolder().addCallback(mWallpaperSurfaceCallback); |
| // Trim memory from Glide to make room for the full-size image in this fragment. |
| Glide.get(activity).setMemoryCategory(MemoryCategory.LOW); |
| return view; |
| } |
| |
| @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| public SubsamplingScaleImageView getFullResImageView() { |
| return mFullResImageView; |
| } |
| |
| private void setUpTouchForwardingLayout() { |
| mTouchForwardingLayout.setForwardingEnabled(true); |
| mTouchForwardingLayout.setOnClickListener(v -> { |
| toggleWallpaperPreviewControl(); |
| mTouchForwardingLayout.announceForAccessibility( |
| getString(mPreviewScrim.getVisibility() == View.VISIBLE |
| ? R.string.show_preview_controls_content_description |
| : R.string.hide_preview_controls_content_description) |
| ); |
| }); |
| mFloatingSheet.addFloatingSheetCallback( |
| new BottomSheetBehavior.BottomSheetCallback() { |
| @Override |
| public void onStateChanged(@NonNull View bottomSheet, int newState) { |
| if (newState == STATE_EXPANDED) { |
| mTouchForwardingLayout.setForwardingEnabled(false); |
| } else if (newState == STATE_HIDDEN) { |
| mTouchForwardingLayout.setForwardingEnabled(true); |
| } |
| } |
| |
| @Override |
| public void onSlide(@NonNull View bottomSheet, float slideOffset) { |
| } |
| }); |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (mFullResImageView != null) { |
| mFullResImageView.recycle(); |
| } |
| mWallpaperSurfaceCallback.cleanUp(); |
| super.onDestroy(); |
| } |
| |
| @Override |
| protected void setWallpaper(@Destination int destination) { |
| Context context = getContext(); |
| if (context == null) { |
| return; |
| } |
| if (mRawWallpaperSize == null) { |
| // This shouldn't happen, avoid direct call into setWallpaper without initializing |
| // mRawWallpaperSize first |
| showSetWallpaperErrorDialog(); |
| return; |
| } |
| // Only crop extra wallpaper width for single display devices. |
| Rect cropRect = calculateCropRect(context, !mDisplayUtils.hasMultiInternalDisplays()); |
| float screenScale = WallpaperCropUtils.getScaleOfScreenResolution( |
| mFullResImageView.getScale(), cropRect, mWallpaperScreenSize.x, |
| mWallpaperScreenSize.y); |
| Rect scaledCropRect = new Rect( |
| Math.round((float) cropRect.left * screenScale), |
| Math.round((float) cropRect.top * screenScale), |
| Math.round((float) cropRect.right * screenScale), |
| Math.round((float) cropRect.bottom * screenScale)); |
| mWallpaperSetter.setCurrentWallpaper( |
| getActivity(), |
| mWallpaper, |
| mWallpaperAsset, |
| SET_WALLPAPER_ENTRY_POINT_WALLPAPER_PREVIEW, |
| destination, |
| mFullResImageView.getScale() * screenScale, |
| scaledCropRect, |
| mWallpaperColors, |
| SetWallpaperViewModel.getCallback(mViewModelProvider)); |
| } |
| |
| /** |
| * Initializes image view by initializing tiling, setting a fallback page bitmap, and |
| * initializing a zoom-scroll observer and click listener. |
| */ |
| private synchronized void initFullResView() { |
| if (mRawWallpaperSize == null || mFullResImageView == null |
| || mFullResImageView.isImageLoaded()) { |
| return; |
| } |
| |
| final String storedWallpaperId = mWallpaper.getStoredWallpaperId(getContext()); |
| final boolean isWallpaperColorCached = |
| storedWallpaperId != null && mWallpaperPreferences.getWallpaperColors( |
| storedWallpaperId) != null; |
| if (isWallpaperColorCached) { |
| // Post-execute onWallpaperColorsChanged() to avoid UI blocking from the call |
| Handler.getMain().post(() -> onWallpaperColorsChanged( |
| mWallpaperPreferences.getWallpaperColors( |
| mWallpaper.getStoredWallpaperId(getContext())))); |
| } |
| |
| // Minimum scale will only be respected under this scale type. |
| mFullResImageView.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CUSTOM); |
| // When we set a minimum scale bigger than the scale with which the full image is shown, |
| // disallow user to pan outside the view we show the wallpaper in. |
| mFullResImageView.setPanLimit(SubsamplingScaleImageView.PAN_LIMIT_INSIDE); |
| |
| Point targetPageBitmapSize = new Point(mRawWallpaperSize); |
| mWallpaperAsset.decodeBitmap(targetPageBitmapSize.x, targetPageBitmapSize.y, |
| pageBitmap -> { |
| if (getActivity() == null || mFullResImageView == null) { |
| return; |
| } |
| |
| if (pageBitmap == null) { |
| showLoadWallpaperErrorDialog(); |
| return; |
| } |
| |
| mFullResImageView.setImage(ImageSource.bitmap(pageBitmap)); |
| setDefaultWallpaperZoomAndScroll( |
| mWallpaperAsset instanceof CurrentWallpaperAsset); |
| mFullResImageView.setOnStateChangedListener( |
| new OnFullResImageViewStateChangedListener() { |
| @Override |
| public void onDebouncedCenterChanged(PointF newCenter, int origin) { |
| recalculateColors(); |
| } |
| } |
| ); |
| if (!isWallpaperColorCached) { |
| mFullResImageView.setAlpha(0); |
| // If not cached, delay the cross fade until the colors extracted |
| extractColorFromBitmap(pageBitmap, true); |
| } else { |
| onSurfaceReady(); |
| } |
| }); |
| } |
| |
| /** |
| * Recalculate the color from a new crop of the wallpaper. Note that we do not cache the |
| * extracted. We only cache the color the first time we extract from the wallpaper as its |
| * original size. |
| */ |
| private void recalculateColors() { |
| Context context = getContext(); |
| if (context == null) { |
| return; |
| } |
| |
| mBitmapCropper.cropAndScaleBitmap(mWallpaperAsset, mFullResImageView.getScale(), |
| calculateCropRect(context, /* cropExtraWidth= */ true), /* adjustForRtl= */ false, |
| new BitmapCropper.Callback() { |
| @Override |
| public void onBitmapCropped(Bitmap croppedBitmap) { |
| extractColorFromBitmap(croppedBitmap, false); |
| } |
| |
| @Override |
| public void onError(@Nullable Throwable e) { |
| Log.w(TAG, "Recalculate colors, crop and scale bitmap failed.", e); |
| } |
| }); |
| } |
| |
| private void extractColorFromBitmap(Bitmap croppedBitmap, boolean cacheColor) { |
| Context context = getContext(); |
| if (context == null) { |
| return; |
| } |
| |
| mWallpaperColorsExtractor.extractWallpaperColors(croppedBitmap, |
| colors -> { |
| if (mFullResImageView.getAlpha() == 0) { |
| onSurfaceReady(); |
| } |
| onWallpaperColorsChanged(colors); |
| if (cacheColor) { |
| mWallpaperPreferences.storeWallpaperColors( |
| mWallpaper.getStoredWallpaperId(context), colors); |
| } |
| }); |
| } |
| |
| /** |
| * This should be called when the full resolution image is loaded and the wallpaper color is |
| * ready, either extracted from the wallpaper or retrieved from cache. |
| */ |
| private void onSurfaceReady() { |
| mProgressBar.setVisibility(View.GONE); |
| crossFadeInFullResView(); |
| // Set button enabled for the visual change |
| mSetWallpaperButton.setEnabled(true); |
| // Set button container enabled to make it clickable |
| mSetWallpaperButtonContainer.setEnabled(true); |
| } |
| |
| /** |
| * Fade in the full resolution view. |
| */ |
| protected void crossFadeInFullResView() { |
| if (getActivity() == null || !isAdded()) { |
| return; |
| } |
| long shortAnimationDuration = getResources().getInteger( |
| android.R.integer.config_shortAnimTime); |
| |
| mFullResImageView.setAlpha(0f); |
| mFullResImageView.animate() |
| .alpha(1f) |
| .setInterpolator(ALPHA_OUT) |
| .setDuration(shortAnimationDuration) |
| .setListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| if (mLowResImageView != null) { |
| mLowResImageView.setImageBitmap(null); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Sets the default wallpaper zoom and scroll position based on a "crop surface" (with extra |
| * width to account for parallax) superimposed on the screen. Shows as much of the wallpaper as |
| * possible on the crop surface and align screen to crop surface such that the default preview |
| * matches what would be seen by the user in the left-most home screen. |
| * |
| * <p>This method is called once in the Fragment lifecycle after the wallpaper asset has loaded |
| * and rendered to the layout. |
| * |
| * @param offsetToStart {@code true} if we want to offset the visible rectangle to the start |
| * side of the raw wallpaper; {@code false} otherwise. |
| */ |
| private void setDefaultWallpaperZoomAndScroll(boolean offsetToStart) { |
| // Determine minimum zoom to fit maximum visible area of wallpaper on crop surface. |
| int cropWidth = mWallpaperSurface.getMeasuredWidth(); |
| int cropHeight = mWallpaperSurface.getMeasuredHeight(); |
| Point crop = new Point(cropWidth, cropHeight); |
| Rect visibleRawWallpaperRect = |
| WallpaperCropUtils.calculateVisibleRect(mRawWallpaperSize, crop); |
| if (offsetToStart && mDisplayUtils.isSingleDisplayOrUnfoldedHorizontalHinge( |
| requireActivity())) { |
| if (RtlUtils.isRtl(requireContext())) { |
| visibleRawWallpaperRect.offsetTo(mRawWallpaperSize.x |
| - visibleRawWallpaperRect.width(), visibleRawWallpaperRect.top); |
| } else { |
| visibleRawWallpaperRect.offsetTo(/* newLeft= */ 0, visibleRawWallpaperRect.top); |
| } |
| } |
| |
| final PointF centerPosition = new PointF(visibleRawWallpaperRect.centerX(), |
| visibleRawWallpaperRect.centerY()); |
| |
| Point visibleRawWallpaperSize = new Point(visibleRawWallpaperRect.width(), |
| visibleRawWallpaperRect.height()); |
| |
| final float defaultWallpaperZoom = WallpaperCropUtils.calculateMinZoom( |
| visibleRawWallpaperSize, crop); |
| |
| // Set min wallpaper zoom and max zoom for the full resolution image view |
| mFullResImageView.setMaxScale(Math.max(DEFAULT_WALLPAPER_MAX_ZOOM, defaultWallpaperZoom)); |
| mFullResImageView.setMinScale(defaultWallpaperZoom); |
| |
| // Set center to composite positioning between scaled wallpaper and screen |
| mFullResImageView.setScaleAndCenter(defaultWallpaperZoom, centerPosition); |
| } |
| |
| private Rect calculateCropRect(Context context, boolean cropExtraWidth) { |
| float wallpaperZoom = mFullResImageView.getScale(); |
| Context appContext = context.getApplicationContext(); |
| |
| Rect visibleFileRect = new Rect(); |
| mFullResImageView.visibleFileRect(visibleFileRect); |
| |
| int cropWidth = mWallpaperSurface.getMeasuredWidth(); |
| int cropHeight = mWallpaperSurface.getMeasuredHeight(); |
| int maxCrop = Math.max(cropWidth, cropHeight); |
| int minCrop = Math.min(cropWidth, cropHeight); |
| Point hostViewSize = new Point(cropWidth, cropHeight); |
| |
| Resources res = appContext.getResources(); |
| Point cropSurfaceSize = WallpaperCropUtils.calculateCropSurfaceSize(res, maxCrop, minCrop, |
| cropWidth, cropHeight); |
| Rect result = WallpaperCropUtils.calculateCropRect(appContext, hostViewSize, |
| cropSurfaceSize, mRawWallpaperSize, visibleFileRect, wallpaperZoom, cropExtraWidth); |
| |
| // Cancel the rescaling in the multi crop case. In that case the crop will be sent to |
| // WallpaperManager. WallpaperManager expects a crop that is not yet rescaled to match |
| // the screen size (as opposed to BitmapCropper which is used in the single crop case). |
| // TODO(b/270726737, b/281648899) clean that comment and that part of the code |
| if (mWallpaperManager.isMultiCropEnabled()) result.scale(1f / mFullResImageView.getScale()); |
| return result; |
| } |
| |
| /** |
| * surfaceCreated() is called right after Fragment.onResume() and surfaceDestroyed() is called |
| * after Fragment.onPause(). We do not clean up the surface when surfaceDestroyed() and hold |
| * it till the next onResume(). We do not need to decode the image again and thus can skip the |
| * whole logic in surfaceCreated(). |
| */ |
| private class WallpaperSurfaceCallback implements SurfaceHolder.Callback { |
| private Surface mLastSurface; |
| private SurfaceControlViewHost mHost; |
| |
| @Override |
| public void surfaceCreated(SurfaceHolder holder) { |
| Context context = getContext(); |
| Activity activity = getActivity(); |
| if (context == null || activity == null || mLastSurface == holder.getSurface()) { |
| return; |
| } |
| |
| mLastSurface = holder.getSurface(); |
| if (mFullResImageView != null) { |
| mFullResImageView.recycle(); |
| } |
| |
| mProgressBar.setVisibility(View.VISIBLE); |
| View wallpaperPreviewContainer = LayoutInflater.from(context).inflate( |
| R.layout.fullscreen_wallpaper_preview, null); |
| mFullResImageView = wallpaperPreviewContainer.findViewById(R.id.full_res_image); |
| mLowResImageView = wallpaperPreviewContainer.findViewById(R.id.low_res_image); |
| mLowResImageView.setRenderEffect( |
| RenderEffect.createBlurEffect(LOW_RES_BITMAP_BLUR_RADIUS, |
| LOW_RES_BITMAP_BLUR_RADIUS, Shader.TileMode.CLAMP)); |
| // Calculate the size of mWallpaperSurface based on system zoom's scale and |
| // on the larger screen size (if more than one) so that the wallpaper is |
| // rendered in a larger surface than what preview shows, simulating the behavior of |
| // the actual wallpaper surface and so we can crop it to a size that fits in all |
| // screens. |
| float scale = WallpaperCropUtils.getSystemWallpaperMaximumScale(context); |
| int origWidth = mWallpaperSurface.getWidth(); |
| int origHeight = mWallpaperSurface.getHeight(); |
| |
| int scaledOrigWidth = origWidth; |
| int scaledOrigHeight = origHeight; |
| |
| if (mDisplayUtils.hasMultiInternalDisplays()) { |
| final Point maxDisplaysDimen = mDisplayUtils.getMaxDisplaysDimension(); |
| scaledOrigWidth = Math.round( |
| origWidth * Math.max(1, (float) maxDisplaysDimen.x / mScreenSize.x)); |
| scaledOrigHeight = Math.round( |
| origHeight * Math.max(1, (float) maxDisplaysDimen.y / mScreenSize.y)); |
| } |
| int width = (int) (scaledOrigWidth * scale); |
| int height = (int) (scaledOrigHeight * scale); |
| int left = (origWidth - width) / 2; |
| int top = (origHeight - height) / 2; |
| |
| if (RtlUtils.isRtl(context)) { |
| left *= -1; |
| } |
| |
| LayoutParams params = mWallpaperSurface.getLayoutParams(); |
| params.width = width; |
| params.height = height; |
| mWallpaperSurface.setX(left); |
| mWallpaperSurface.setY(top); |
| mWallpaperSurface.setLayoutParams(params); |
| mWallpaperSurface.requestLayout(); |
| |
| // Load low res image first before the full res image is available |
| int placeHolderColor = ResourceUtils.getColorAttr(activity, |
| android.R.attr.colorBackground); |
| if (mColorFuture.isDone()) { |
| try { |
| int colorValue = mColorFuture.get().getPlaceholderColor(); |
| if (colorValue != Color.TRANSPARENT) { |
| placeHolderColor = colorValue; |
| } |
| } catch (InterruptedException | ExecutionException e) { |
| // Do nothing intended |
| } |
| } |
| mWallpaperAsset.loadLowResDrawable(activity, mLowResImageView, placeHolderColor, |
| mPreviewBitmapTransformation); |
| |
| wallpaperPreviewContainer.measure( |
| makeMeasureSpec(width, EXACTLY), |
| makeMeasureSpec(height, EXACTLY)); |
| wallpaperPreviewContainer.layout(0, 0, width, height); |
| mTouchForwardingLayout.setTargetView(mFullResImageView); |
| |
| cleanUp(); |
| mHost = new SurfaceControlViewHost(context, |
| context.getDisplay(), mWallpaperSurface.getHostToken()); |
| mHost.setView(wallpaperPreviewContainer, wallpaperPreviewContainer.getWidth(), |
| wallpaperPreviewContainer.getHeight()); |
| mWallpaperSurface.setChildSurfacePackage(mHost.getSurfacePackage()); |
| |
| mWallpaperAsset.decodeRawDimensions(getActivity(), dimensions -> { |
| if (getActivity() == null) { |
| return; |
| } |
| |
| if (dimensions == null) { |
| showLoadWallpaperErrorDialog(); |
| return; |
| } |
| |
| mRawWallpaperSize = dimensions; |
| // We can enable set wallpaper now but defer to full res view ready |
| initFullResView(); |
| }); |
| } |
| |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { |
| // Do nothing intended |
| } |
| |
| @Override |
| public void surfaceDestroyed(SurfaceHolder holder) { |
| // Do nothing intended |
| } |
| |
| public void cleanUp() { |
| if (mHost != null) { |
| mHost.release(); |
| mHost = null; |
| } |
| } |
| } |
| } |