/
UserProfileAdapter.java
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/
UserProfileAdapter.java
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package io.github.froger.instamaterial.ui.adapter;
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import com.squareup.picasso.Callback;
import com.squareup.picasso.Picasso;
import java.util.Arrays;
import java.util.List;
import butterknife.ButterKnife;
import butterknife.InjectView;
import io.github.froger.instamaterial.ui.utils.CircleTransformation;
import io.github.froger.instamaterial.R;
import io.github.froger.instamaterial.Utils;
/**
* Created by Miroslaw Stanek on 20.01.15.
*/
public class UserProfileAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
public static final int TYPE_PROFILE_HEADER = 0;
public static final int TYPE_PROFILE_OPTIONS = 1;
public static final int TYPE_PHOTO = 2;
private static final int USER_OPTIONS_ANIMATION_DELAY = 300;
private static final int MAX_PHOTO_ANIMATION_DELAY = 600;
private static final int MIN_ITEMS_COUNT = 2;
private static final Interpolator INTERPOLATOR = new DecelerateInterpolator();
private final Context context;
private final int cellSize;
private final int avatarSize;
private final String profilePhoto;
private final List<String> photos;
private boolean lockedAnimations = false;
private long profileHeaderAnimationStartTime = 0;
private int lastAnimatedItem = 0;
public UserProfileAdapter(Context context) {
this.context = context;
this.cellSize = Utils.getScreenWidth(context) / 3;
this.avatarSize = context.getResources().getDimensionPixelSize(R.dimen.user_profile_avatar_size);
this.profilePhoto = context.getString(R.string.user_profile_photo);
this.photos = Arrays.asList(context.getResources().getStringArray(R.array.user_photos));
}
@Override
public int getItemViewType(int position) {
if (position == 0) {
return TYPE_PROFILE_HEADER;
} else if (position == 1) {
return TYPE_PROFILE_OPTIONS;
} else {
return TYPE_PHOTO;
}
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (TYPE_PROFILE_HEADER == viewType) {
final View view = LayoutInflater.from(context).inflate(R.layout.view_user_profile_header, parent, false);
StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
layoutParams.setFullSpan(true);
view.setLayoutParams(layoutParams);
return new ProfileHeaderViewHolder(view);
} else if (TYPE_PROFILE_OPTIONS == viewType) {
final View view = LayoutInflater.from(context).inflate(R.layout.view_user_profile_options, parent, false);
StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
layoutParams.setFullSpan(true);
view.setLayoutParams(layoutParams);
return new ProfileOptionsViewHolder(view);
} else if (TYPE_PHOTO == viewType) {
final View view = LayoutInflater.from(context).inflate(R.layout.item_photo, parent, false);
StaggeredGridLayoutManager.LayoutParams layoutParams = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
layoutParams.height = cellSize;
layoutParams.width = cellSize;
layoutParams.setFullSpan(false);
view.setLayoutParams(layoutParams);
return new PhotoViewHolder(view);
}
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
int viewType = getItemViewType(position);
if (TYPE_PROFILE_HEADER == viewType) {
bindProfileHeader((ProfileHeaderViewHolder) holder);
} else if (TYPE_PROFILE_OPTIONS == viewType) {
bindProfileOptions((ProfileOptionsViewHolder) holder);
} else if (TYPE_PHOTO == viewType) {
bindPhoto((PhotoViewHolder) holder, position);
}
}
private void bindProfileHeader(final ProfileHeaderViewHolder holder) {
Picasso.with(context)
.load(profilePhoto)
.placeholder(R.drawable.img_circle_placeholder)
.resize(avatarSize, avatarSize)
.centerCrop()
.transform(new CircleTransformation())
.into(holder.ivUserProfilePhoto);
holder.vUserProfileRoot.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
holder.vUserProfileRoot.getViewTreeObserver().removeOnPreDrawListener(this);
animateUserProfileHeader(holder);
return false;
}
});
}
private void bindProfileOptions(final ProfileOptionsViewHolder holder) {
holder.vButtons.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
holder.vButtons.getViewTreeObserver().removeOnPreDrawListener(this);
holder.vUnderline.getLayoutParams().width = holder.btnGrid.getWidth();
holder.vUnderline.requestLayout();
animateUserProfileOptions(holder);
return false;
}
});
}
private void bindPhoto(final PhotoViewHolder holder, int position) {
Picasso.with(context)
.load(photos.get(position - MIN_ITEMS_COUNT))
.resize(cellSize, cellSize)
.centerCrop()
.into(holder.ivPhoto, new Callback() {
@Override
public void onSuccess() {
animatePhoto(holder);
}
@Override
public void onError() {
}
});
if (lastAnimatedItem < position) lastAnimatedItem = position;
}
private void animateUserProfileHeader(ProfileHeaderViewHolder viewHolder) {
if (!lockedAnimations) {
profileHeaderAnimationStartTime = System.currentTimeMillis();
viewHolder.vUserProfileRoot.setTranslationY(-viewHolder.vUserProfileRoot.getHeight());
viewHolder.ivUserProfilePhoto.setTranslationY(-viewHolder.ivUserProfilePhoto.getHeight());
viewHolder.vUserDetails.setTranslationY(-viewHolder.vUserDetails.getHeight());
viewHolder.vUserStats.setAlpha(0);
viewHolder.vUserProfileRoot.animate().translationY(0).setDuration(300).setInterpolator(INTERPOLATOR);
viewHolder.ivUserProfilePhoto.animate().translationY(0).setDuration(300).setStartDelay(100).setInterpolator(INTERPOLATOR);
viewHolder.vUserDetails.animate().translationY(0).setDuration(300).setStartDelay(200).setInterpolator(INTERPOLATOR);
viewHolder.vUserStats.animate().alpha(1).setDuration(200).setStartDelay(400).setInterpolator(INTERPOLATOR).start();
}
}
private void animateUserProfileOptions(ProfileOptionsViewHolder viewHolder) {
if (!lockedAnimations) {
viewHolder.vButtons.setTranslationY(-viewHolder.vButtons.getHeight());
viewHolder.vUnderline.setScaleX(0);
viewHolder.vButtons.animate().translationY(0).setDuration(300).setStartDelay(USER_OPTIONS_ANIMATION_DELAY).setInterpolator(INTERPOLATOR);
viewHolder.vUnderline.animate().scaleX(1).setDuration(200).setStartDelay(USER_OPTIONS_ANIMATION_DELAY + 300).setInterpolator(INTERPOLATOR).start();
}
}
private void animatePhoto(PhotoViewHolder viewHolder) {
if (!lockedAnimations) {
if (lastAnimatedItem == viewHolder.getPosition()) {
setLockedAnimations(true);
}
long animationDelay = profileHeaderAnimationStartTime + MAX_PHOTO_ANIMATION_DELAY - System.currentTimeMillis();
if (profileHeaderAnimationStartTime == 0) {
animationDelay = viewHolder.getPosition() * 30 + MAX_PHOTO_ANIMATION_DELAY;
} else if (animationDelay < 0) {
animationDelay = viewHolder.getPosition() * 30;
} else {
animationDelay += viewHolder.getPosition() * 30;
}
viewHolder.flRoot.setScaleY(0);
viewHolder.flRoot.setScaleX(0);
viewHolder.flRoot.animate()
.scaleY(1)
.scaleX(1)
.setDuration(200)
.setInterpolator(INTERPOLATOR)
.setStartDelay(animationDelay)
.start();
}
}
@Override
public int getItemCount() {
return MIN_ITEMS_COUNT + photos.size();
}
static class ProfileHeaderViewHolder extends RecyclerView.ViewHolder {
@InjectView(R.id.ivUserProfilePhoto)
ImageView ivUserProfilePhoto;
@InjectView(R.id.vUserDetails)
View vUserDetails;
@InjectView(R.id.btnFollow)
Button btnFollow;
@InjectView(R.id.vUserStats)
View vUserStats;
@InjectView(R.id.vUserProfileRoot)
View vUserProfileRoot;
public ProfileHeaderViewHolder(View view) {
super(view);
ButterKnife.inject(this, view);
}
}
static class ProfileOptionsViewHolder extends RecyclerView.ViewHolder {
@InjectView(R.id.btnGrid)
ImageButton btnGrid;
@InjectView(R.id.btnList)
ImageButton btnList;
@InjectView(R.id.btnMap)
ImageButton btnMap;
@InjectView(R.id.btnTagged)
ImageButton btnComments;
@InjectView(R.id.vUnderline)
View vUnderline;
@InjectView(R.id.vButtons)
View vButtons;
public ProfileOptionsViewHolder(View view) {
super(view);
ButterKnife.inject(this, view);
}
}
static class PhotoViewHolder extends RecyclerView.ViewHolder {
@InjectView(R.id.flRoot)
FrameLayout flRoot;
@InjectView(R.id.ivPhoto)
ImageView ivPhoto;
public PhotoViewHolder(View view) {
super(view);
ButterKnife.inject(this, view);
}
}
public void setLockedAnimations(boolean lockedAnimations) {
this.lockedAnimations = lockedAnimations;
}
}