session-android/src/org/thoughtcrime/securesms/components/ThumbnailView.java

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package org.thoughtcrime.securesms.components;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import com.bumptech.glide.DrawableTypeRequest;
import com.bumptech.glide.GenericRequestBuilder;
import com.bumptech.glide.Glide;
import com.bumptech.glide.load.resource.bitmap.GlideBitmapDrawable;
import com.bumptech.glide.load.resource.drawable.GlideDrawable;
import com.bumptech.glide.request.RequestListener;
import com.bumptech.glide.request.target.Target;
import com.pnikosis.materialishprogress.ProgressWheel;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.database.PartDatabase;
import org.thoughtcrime.securesms.jobs.PartProgressEvent;
import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri;
import org.thoughtcrime.securesms.mms.RoundedCorners;
import org.thoughtcrime.securesms.mms.Slide;
import org.thoughtcrime.securesms.mms.SlideDeck;
import org.thoughtcrime.securesms.util.FutureTaskListener;
import org.thoughtcrime.securesms.util.ListenableFutureTask;
import org.thoughtcrime.securesms.util.Util;
import org.thoughtcrime.securesms.util.ViewUtil;
import de.greenrobot.event.EventBus;
import ws.com.google.android.mms.pdu.PduPart;
public class ThumbnailView extends FrameLayout {
private static final String TAG = ThumbnailView.class.getSimpleName();
private boolean hideControls;
private ImageView image;
private ProgressWheel progress;
private ImageView removeButton;
private ImageButton downloadButton;
private int backgroundColorHint;
private int radius;
private ListenableFutureTask<SlideDeck> slideDeckFuture = null;
private SlideDeckListener slideDeckListener = null;
private ThumbnailClickListener thumbnailClickListener = null;
private ThumbnailClickListener downloadClickListener = null;
private String slideId = null;
private Slide slide = null;
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);
radius = getResources().getDimensionPixelSize(R.dimen.message_bubble_corner_radius);
image = (ImageView) findViewById(R.id.thumbnail_image);
progress = (ProgressWheel) findViewById(R.id.progress_wheel);
downloadButton = (ImageButton) findViewById(R.id.download_button);
setOnClickListener(new ThumbnailClickDispatcher());
downloadButton.setOnClickListener(new DownloadClickDispatcher());
if (attrs != null) {
TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.ThumbnailView, 0, 0);
backgroundColorHint = typedArray.getColor(0, Color.BLACK);
typedArray.recycle();
}
}
@Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if (removeButton != null) {
final int paddingHorizontal = removeButton.getWidth() / 2;
final int paddingVertical = removeButton.getHeight() / 2;
image.setPadding(paddingHorizontal, paddingVertical, paddingHorizontal, 0);
}
}
@Override protected void onAttachedToWindow() {
super.onAttachedToWindow();
if (!EventBus.getDefault().isRegistered(this)) EventBus.getDefault().registerSticky(this);
}
@Override protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
EventBus.getDefault().unregister(this);
}
private ProgressWheel getProgressWheel() {
if (progress == null) progress = ViewUtil.inflateStub(this, R.id.progress_wheel_stub);
return progress;
}
private void hideProgressWheel() {
if (progress != null) progress.setVisibility(GONE);
}
private ImageView getRemoveButton() {
if (removeButton == null) removeButton = ViewUtil.inflateStub(this, R.id.remove_button_stub);
return removeButton;
}
@SuppressWarnings("unused")
public void onEventAsync(final PartProgressEvent event) {
if (this.slide != null && event.partId.equals(this.slide.getPart().getPartId())) {
Util.runOnMain(new Runnable() {
@Override public void run() {
getProgressWheel().setInstantProgress(((float)event.progress) / event.total);
if (event.progress >= event.total) animateOutProgress();
}
});
}
}
public void setBackgroundColorHint(int color) {
this.backgroundColorHint = color;
}
public void setImageResource(@Nullable MasterSecret masterSecret,
long id, long timestamp,
@NonNull ListenableFutureTask<SlideDeck> slideDeckFuture)
{
if (this.slideDeckFuture != null && this.slideDeckListener != null) {
this.slideDeckFuture.removeListener(this.slideDeckListener);
}
String slideId = id + "::" + timestamp;
if (!slideId.equals(this.slideId)) {
hideProgressWheel();
image.setImageDrawable(null);
this.slide = null;
this.slideId = slideId;
}
this.slideDeckListener = new SlideDeckListener(masterSecret);
this.slideDeckFuture = slideDeckFuture;
this.slideDeckFuture.addListener(this.slideDeckListener);
}
public void setImageResource(@NonNull Slide slide, @Nullable MasterSecret masterSecret) {
if (Util.equals(slide, this.slide)) {
Log.w(TAG, "Not re-loading slide " + slide.getPart().getPartId());
return;
}
if (!isContextValid()) {
Log.w(TAG, "Not loading slide, context is invalid");
return;
}
Log.w(TAG, "loading part with id " + slide.getPart().getPartId() + ", progress " + slide.getTransferProgress());
if (!hideControls && slide.getTransferProgress() == PartDatabase.TRANSFER_PROGRESS_STARTED) {
getProgressWheel().spin();
getProgressWheel().setVisibility(VISIBLE);
downloadButton.setVisibility(GONE);
} else if (!hideControls && slide.getTransferProgress() == PartDatabase.TRANSFER_PROGRESS_AUTO_PENDING ||
slide.getTransferProgress() == PartDatabase.TRANSFER_PROGRESS_FAILED)
{
hideProgressWheel();
downloadButton.setVisibility(VISIBLE);
} else {
hideProgressWheel();
downloadButton.setVisibility(GONE);
}
this.slide = slide;
buildGlideRequest(slide, masterSecret).into(image);
}
public void setThumbnailClickListener(ThumbnailClickListener listener) {
this.thumbnailClickListener = listener;
}
public void setRemoveClickListener(OnClickListener listener) {
getRemoveButton().setOnClickListener(listener);
}
public void setDownloadClickListener(ThumbnailClickListener listener) {
this.downloadClickListener = listener;
}
public void clear() {
if (isContextValid()) Glide.clear(this);
}
public void hideControls(boolean hideControls) {
this.hideControls = hideControls;
if (hideControls) hideProgressWheel();
}
@TargetApi(VERSION_CODES.JELLY_BEAN_MR1)
private boolean isContextValid() {
return !(getContext() instanceof Activity) ||
VERSION.SDK_INT < VERSION_CODES.JELLY_BEAN_MR1 ||
!((Activity)getContext()).isDestroyed();
}
private GenericRequestBuilder buildGlideRequest(@NonNull Slide slide,
@Nullable MasterSecret masterSecret)
{
final GenericRequestBuilder builder;
if (slide.getThumbnailUri() != null) {
builder = buildThumbnailGlideRequest(slide, masterSecret);
} else {
builder = buildPlaceholderGlideRequest(slide);
}
if (slide.getTransferProgress() != PartDatabase.TRANSFER_PROGRESS_DONE && !hideControls) {
return builder;
} else {
return builder.error(R.drawable.ic_missing_thumbnail_picture);
}
}
private GenericRequestBuilder buildThumbnailGlideRequest(Slide slide, MasterSecret masterSecret) {
final GenericRequestBuilder builder;
if (slide.isDraft()) builder = buildDraftGlideRequest(slide, masterSecret);
else builder = buildPartGlideRequest(slide, masterSecret);
return builder;
}
private GenericRequestBuilder buildDraftGlideRequest(Slide slide, MasterSecret masterSecret) {
final DrawableTypeRequest<?> request;
if (masterSecret == null) request = Glide.with(getContext()).load(slide.getThumbnailUri());
else request = Glide.with(getContext()).load(new DecryptableUri(masterSecret, slide.getThumbnailUri()));
return request.transform(new RoundedCorners(getContext(), false, radius, backgroundColorHint))
.listener(new PduThumbnailSetListener(slide.getPart()));
}
private GenericRequestBuilder buildPartGlideRequest(Slide slide, MasterSecret masterSecret) {
if (masterSecret == null) {
throw new IllegalStateException("null MasterSecret when loading non-draft thumbnail");
}
return Glide.with(getContext()).load(new DecryptableUri(masterSecret, slide.getThumbnailUri()))
.crossFade()
.transform(new RoundedCorners(getContext(), true, radius, backgroundColorHint));
}
private GenericRequestBuilder buildPlaceholderGlideRequest(Slide slide) {
return Glide.with(getContext()).load(slide.getPlaceholderRes(getContext().getTheme()))
.asBitmap()
.fitCenter();
}
private void animateOutProgress() {
if (progress == null) return;
AlphaAnimation animation = new AlphaAnimation(1f, 0f);
animation.setDuration(200);
animation.setAnimationListener(new AnimationListener() {
@Override public void onAnimationStart(Animation animation) { }
@Override public void onAnimationRepeat(Animation animation) { }
@Override public void onAnimationEnd(Animation animation) {
getProgressWheel().setVisibility(View.GONE);
}
});
getProgressWheel().startAnimation(animation);
}
private class SlideDeckListener implements FutureTaskListener<SlideDeck> {
private final MasterSecret masterSecret;
public SlideDeckListener(MasterSecret masterSecret) {
this.masterSecret = masterSecret;
}
@Override
public void onSuccess(final SlideDeck slideDeck) {
if (slideDeck == null) return;
final Slide slide = slideDeck.getThumbnailSlide();
if (slide != null) {
Util.runOnMain(new Runnable() {
@Override
public void run() {
setImageResource(slide, masterSecret);
}
});
} else {
Util.runOnMain(new Runnable() {
@Override
public void run() {
Log.w(TAG, "Resolved slide was null!");
setVisibility(View.GONE);
}
});
}
}
@Override
public void onFailure(Throwable error) {
Log.w(TAG, error);
Util.runOnMain(new Runnable() {
@Override
public void run() {
Log.w(TAG, "onFailure!");
setVisibility(View.GONE);
}
});
}
}
public interface ThumbnailClickListener {
void onClick(View v, Slide slide);
}
private class ThumbnailClickDispatcher implements View.OnClickListener {
@Override
public void onClick(View view) {
if (thumbnailClickListener != null &&
slide != null &&
slide.getPart().getDataUri() != null)
{
thumbnailClickListener.onClick(view, slide);
}
}
}
private class DownloadClickDispatcher implements View.OnClickListener {
@Override
public void onClick(View view) {
if (downloadClickListener != null && slide != null) {
downloadClickListener.onClick(view, slide);
}
}
}
private class PduThumbnailSetListener implements RequestListener<Object, GlideDrawable> {
private PduPart part;
public PduThumbnailSetListener(@NonNull PduPart part) {
this.part = part;
}
@Override
public boolean onException(Exception e, Object model, Target<GlideDrawable> target, boolean isFirstResource) {
return false;
}
@Override
public boolean onResourceReady(GlideDrawable resource, Object model, Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) {
if (resource instanceof GlideBitmapDrawable) {
Log.w(TAG, "onResourceReady() for a Bitmap. Saving.");
part.setThumbnail(((GlideBitmapDrawable)resource).getBitmap());
}
if (resource.getIntrinsicWidth() < resource.getIntrinsicHeight()) {
getRemoveButton().setPadding(0, 0, (getWidth() - resource.getIntrinsicWidth()) / 2, 0);
} else {
getRemoveButton().setPadding(0, (getHeight() - resource.getIntrinsicHeight()) / 2, 0, 0);
}
return false;
}
}
}