session-android/src/org/thoughtcrime/securesms/components/ThumbnailView.java
2019-07-24 12:30:23 +10:00

417 lines
15 KiB
Java

package org.thoughtcrime.securesms.components;
import android.content.Context;
import android.content.res.TypedArray;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.annotation.UiThread;
import android.util.AttributeSet;
import org.thoughtcrime.securesms.logging.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.bumptech.glide.RequestBuilder;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
import com.bumptech.glide.load.resource.bitmap.CenterCrop;
import com.bumptech.glide.load.resource.bitmap.FitCenter;
import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
import com.bumptech.glide.request.RequestOptions;
import network.loki.messenger.R;
import org.thoughtcrime.securesms.database.AttachmentDatabase;
import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
import org.thoughtcrime.securesms.mms.GlideRequest;
import org.thoughtcrime.securesms.mms.GlideRequests;
import org.thoughtcrime.securesms.mms.Slide;
import org.thoughtcrime.securesms.mms.SlideClickListener;
import org.thoughtcrime.securesms.mms.SlidesClickedListener;
import org.thoughtcrime.securesms.util.Util;
import org.thoughtcrime.securesms.util.ViewUtil;
import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
import org.thoughtcrime.securesms.util.concurrent.SettableFuture;
import org.whispersystems.libsignal.util.guava.Optional;
import java.util.Collections;
import java.util.Locale;
import static com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions.withCrossFade;
public class ThumbnailView extends FrameLayout {
private static final String TAG = ThumbnailView.class.getSimpleName();
private static final int WIDTH = 0;
private static final int HEIGHT = 1;
private static final int MIN_WIDTH = 0;
private static final int MAX_WIDTH = 1;
private static final int MIN_HEIGHT = 2;
private static final int MAX_HEIGHT = 3;
private ImageView image;
private View playOverlay;
private View captionIcon;
private OnClickListener parentClickListener;
private final int[] dimens = new int[2];
private final int[] bounds = new int[4];
private final int[] measureDimens = new int[2];
private Optional<TransferControlView> transferControls = Optional.absent();
private SlideClickListener thumbnailClickListener = null;
private SlidesClickedListener downloadClickListener = null;
private Slide slide = null;
private int radius;
public ThumbnailView(Context context) {
this(context, null);
}
public ThumbnailView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ThumbnailView(final Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
inflate(context, R.layout.thumbnail_view, this);
this.image = findViewById(R.id.thumbnail_image);
this.playOverlay = findViewById(R.id.play_overlay);
this.captionIcon = findViewById(R.id.thumbnail_caption_icon);
super.setOnClickListener(new ThumbnailClickDispatcher());
if (attrs != null) {
TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.ThumbnailView, 0, 0);
bounds[MIN_WIDTH] = typedArray.getDimensionPixelSize(R.styleable.ThumbnailView_minWidth, 0);
bounds[MAX_WIDTH] = typedArray.getDimensionPixelSize(R.styleable.ThumbnailView_maxWidth, 0);
bounds[MIN_HEIGHT] = typedArray.getDimensionPixelSize(R.styleable.ThumbnailView_minHeight, 0);
bounds[MAX_HEIGHT] = typedArray.getDimensionPixelSize(R.styleable.ThumbnailView_maxHeight, 0);
radius = typedArray.getDimensionPixelSize(R.styleable.ThumbnailView_thumbnail_radius, getResources().getDimensionPixelSize(R.dimen.thumbnail_default_radius));
typedArray.recycle();
} else {
radius = getResources().getDimensionPixelSize(R.dimen.message_corner_collapse_radius);
}
}
@Override
protected void onMeasure(int originalWidthMeasureSpec, int originalHeightMeasureSpec) {
fillTargetDimensions(measureDimens, dimens, bounds);
if (measureDimens[WIDTH] == 0 && measureDimens[HEIGHT] == 0) {
super.onMeasure(originalWidthMeasureSpec, originalHeightMeasureSpec);
return;
}
int finalWidth = measureDimens[WIDTH] + getPaddingLeft() + getPaddingRight();
int finalHeight = measureDimens[HEIGHT] + getPaddingTop() + getPaddingBottom();
super.onMeasure(MeasureSpec.makeMeasureSpec(finalWidth, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(finalHeight, MeasureSpec.EXACTLY));
}
@SuppressWarnings("SuspiciousNameCombination")
private void fillTargetDimensions(int[] targetDimens, int[] dimens, int[] bounds) {
int dimensFilledCount = getNonZeroCount(dimens);
int boundsFilledCount = getNonZeroCount(bounds);
if (dimensFilledCount == 0 || boundsFilledCount == 0) {
targetDimens[WIDTH] = 0;
targetDimens[HEIGHT] = 0;
return;
}
double naturalWidth = dimens[WIDTH];
double naturalHeight = dimens[HEIGHT];
int minWidth = bounds[MIN_WIDTH];
int maxWidth = bounds[MAX_WIDTH];
int minHeight = bounds[MIN_HEIGHT];
int maxHeight = bounds[MAX_HEIGHT];
if (dimensFilledCount > 0 && dimensFilledCount < dimens.length) {
throw new IllegalStateException(String.format(Locale.ENGLISH, "Width or height has been specified, but not both. Dimens: %f x %f",
naturalWidth, naturalHeight));
}
if (boundsFilledCount > 0 && boundsFilledCount < bounds.length) {
throw new IllegalStateException(String.format(Locale.ENGLISH, "One or more min/max dimensions have been specified, but not all. Bounds: [%d, %d, %d, %d]",
minWidth, maxWidth, minHeight, maxHeight));
}
double measuredWidth = naturalWidth;
double measuredHeight = naturalHeight;
boolean widthInBounds = measuredWidth >= minWidth && measuredWidth <= maxWidth;
boolean heightInBounds = measuredHeight >= minHeight && measuredHeight <= maxHeight;
if (!widthInBounds || !heightInBounds) {
double minWidthRatio = naturalWidth / minWidth;
double maxWidthRatio = naturalWidth / maxWidth;
double minHeightRatio = naturalHeight / minHeight;
double maxHeightRatio = naturalHeight / maxHeight;
if (maxWidthRatio > 1 || maxHeightRatio > 1) {
if (maxWidthRatio >= maxHeightRatio) {
measuredWidth /= maxWidthRatio;
measuredHeight /= maxWidthRatio;
} else {
measuredWidth /= maxHeightRatio;
measuredHeight /= maxHeightRatio;
}
measuredWidth = Math.max(measuredWidth, minWidth);
measuredHeight = Math.max(measuredHeight, minHeight);
} else if (minWidthRatio < 1 || minHeightRatio < 1) {
if (minWidthRatio <= minHeightRatio) {
measuredWidth /= minWidthRatio;
measuredHeight /= minWidthRatio;
} else {
measuredWidth /= minHeightRatio;
measuredHeight /= minHeightRatio;
}
measuredWidth = Math.min(measuredWidth, maxWidth);
measuredHeight = Math.min(measuredHeight, maxHeight);
}
}
targetDimens[WIDTH] = (int) measuredWidth;
targetDimens[HEIGHT] = (int) measuredHeight;
}
private int getNonZeroCount(int[] vals) {
int count = 0;
for (int val : vals) {
if (val > 0) {
count++;
}
}
return count;
}
@Override
public void setOnClickListener(OnClickListener l) {
parentClickListener = l;
}
@Override
public void setFocusable(boolean focusable) {
super.setFocusable(focusable);
if (transferControls.isPresent()) transferControls.get().setFocusable(focusable);
}
@Override
public void setClickable(boolean clickable) {
super.setClickable(clickable);
if (transferControls.isPresent()) transferControls.get().setClickable(clickable);
}
private TransferControlView getTransferControls() {
if (!transferControls.isPresent()) {
transferControls = Optional.of(ViewUtil.inflateStub(this, R.id.transfer_controls_stub));
}
return transferControls.get();
}
public void setBounds(int minWidth, int maxWidth, int minHeight, int maxHeight) {
bounds[MIN_WIDTH] = minWidth;
bounds[MAX_WIDTH] = maxWidth;
bounds[MIN_HEIGHT] = minHeight;
bounds[MAX_HEIGHT] = maxHeight;
forceLayout();
}
@UiThread
public ListenableFuture<Boolean> setImageResource(@NonNull GlideRequests glideRequests, @NonNull Slide slide,
boolean showControls, boolean isPreview)
{
return setImageResource(glideRequests, slide, showControls, isPreview, 0, 0);
}
@UiThread
public ListenableFuture<Boolean> setImageResource(@NonNull GlideRequests glideRequests, @NonNull Slide slide,
boolean showControls, boolean isPreview,
int naturalWidth, int naturalHeight)
{
if (showControls) {
getTransferControls().setSlide(slide);
getTransferControls().setDownloadClickListener(new DownloadClickDispatcher());
} else if (transferControls.isPresent()) {
getTransferControls().setVisibility(View.GONE);
}
if (slide.getThumbnailUri() != null && slide.hasPlayOverlay() &&
(slide.getTransferState() == AttachmentDatabase.TRANSFER_PROGRESS_DONE || isPreview))
{
this.playOverlay.setVisibility(View.VISIBLE);
} else {
this.playOverlay.setVisibility(View.GONE);
}
if (Util.equals(slide, this.slide)) {
Log.i(TAG, "Not re-loading slide " + slide.asAttachment().getDataUri());
return new SettableFuture<>(false);
}
if (this.slide != null && this.slide.getFastPreflightId() != null &&
this.slide.getFastPreflightId().equals(slide.getFastPreflightId()))
{
Log.i(TAG, "Not re-loading slide for fast preflight: " + slide.getFastPreflightId());
this.slide = slide;
return new SettableFuture<>(false);
}
Log.i(TAG, "loading part with id " + slide.asAttachment().getDataUri()
+ ", progress " + slide.getTransferState() + ", fast preflight id: " +
slide.asAttachment().getFastPreflightId());
this.slide = slide;
this.captionIcon.setVisibility(slide.getCaption().isPresent() ? VISIBLE : GONE);
dimens[WIDTH] = naturalWidth;
dimens[HEIGHT] = naturalHeight;
invalidate();
SettableFuture<Boolean> result = new SettableFuture<>();
if (slide.getThumbnailUri() != null) {
buildThumbnailGlideRequest(glideRequests, slide).into(new GlideDrawableListeningTarget(image, result));
} else if (slide.hasPlaceholder()) {
buildPlaceholderGlideRequest(glideRequests, slide).into(new GlideBitmapListeningTarget(image, result));
} else {
glideRequests.clear(image);
result.set(false);
}
return result;
}
public ListenableFuture<Boolean> setImageResource(@NonNull GlideRequests glideRequests, @NonNull Uri uri) {
SettableFuture<Boolean> future = new SettableFuture<>();
if (transferControls.isPresent()) getTransferControls().setVisibility(View.GONE);
GlideRequest request = glideRequests.load(new DecryptableUri(uri))
.diskCacheStrategy(DiskCacheStrategy.NONE)
.transition(withCrossFade());
if (radius > 0) {
request = request.transforms(new CenterCrop(), new RoundedCorners(radius));
} else {
request = request.transforms(new CenterCrop());
}
request.into(new GlideDrawableListeningTarget(image, future));
return future;
}
public void setThumbnailClickListener(SlideClickListener listener) {
this.thumbnailClickListener = listener;
}
public void setDownloadClickListener(SlidesClickedListener listener) {
this.downloadClickListener = listener;
}
public void clear(GlideRequests glideRequests) {
glideRequests.clear(image);
if (transferControls.isPresent()) {
getTransferControls().clear();
}
slide = null;
}
public void showDownloadText(boolean showDownloadText) {
getTransferControls().setShowDownloadText(showDownloadText);
}
public void showProgressSpinner() {
getTransferControls().showProgressSpinner();
}
protected void setRadius(int radius) {
this.radius = radius;
}
private GlideRequest buildThumbnailGlideRequest(@NonNull GlideRequests glideRequests, @NonNull Slide slide) {
GlideRequest request = applySizing(glideRequests.load(new DecryptableUri(slide.getThumbnailUri()))
.diskCacheStrategy(DiskCacheStrategy.RESOURCE)
.transition(withCrossFade()), new CenterCrop());
if (slide.isInProgress()) return request;
else return request.apply(RequestOptions.errorOf(R.drawable.ic_missing_thumbnail_picture));
}
private RequestBuilder buildPlaceholderGlideRequest(@NonNull GlideRequests glideRequests, @NonNull Slide slide) {
return applySizing(glideRequests.asBitmap()
.load(slide.getPlaceholderRes(getContext().getTheme()))
.diskCacheStrategy(DiskCacheStrategy.NONE), new FitCenter());
}
private GlideRequest applySizing(@NonNull GlideRequest request, @NonNull BitmapTransformation fitting) {
int[] size = new int[2];
fillTargetDimensions(size, dimens, bounds);
if (size[WIDTH] == 0 && size[HEIGHT] == 0) {
size[WIDTH] = getDefaultWidth();
size[HEIGHT] = getDefaultHeight();
}
request = request.override(size[WIDTH], size[HEIGHT]);
if (radius > 0) {
return request.transforms(fitting, new RoundedCorners(radius));
} else {
return request.transforms(fitting);
}
}
private int getDefaultWidth() {
ViewGroup.LayoutParams params = getLayoutParams();
if (params != null) {
return Math.max(params.width, 0);
}
return 0;
}
private int getDefaultHeight() {
ViewGroup.LayoutParams params = getLayoutParams();
if (params != null) {
return Math.max(params.height, 0);
}
return 0;
}
private class ThumbnailClickDispatcher implements View.OnClickListener {
@Override
public void onClick(View view) {
if (thumbnailClickListener != null &&
slide != null &&
slide.asAttachment().getDataUri() != null &&
slide.getTransferState() == AttachmentDatabase.TRANSFER_PROGRESS_DONE)
{
thumbnailClickListener.onClick(view, slide);
} else if (parentClickListener != null) {
parentClickListener.onClick(view);
}
}
}
private class DownloadClickDispatcher implements View.OnClickListener {
@Override
public void onClick(View view) {
Log.i(TAG, "onClick() for download button");
if (downloadClickListener != null && slide != null) {
downloadClickListener.onClick(view, Collections.singletonList(slide));
} else {
Log.w(TAG, "Received a download button click, but unable to execute it. slide: " + String.valueOf(slide) + " downloadClickListener: " + String.valueOf(downloadClickListener));
}
}
}
}