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Code Issues Packages Projects Releases Wiki Activity

"sensitive content" text overlay for sensitive content

This commit is contained in:
Grishka 2022-04-07 17:57:33 +03:00
parent dd3233e615
commit a4d746a7f3
2 changed files with 149 additions and 64 deletions
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210
mastodon/src/main/java/org/joinmastodon/android/fragments/BaseStatusListFragment.java
View File

@ -5,11 +5,14 @@ import android.content.res.Configuration;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Bundle;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowInsets;
@ -257,69 +260,7 @@ public abstract class BaseStatusListFragment<T extends DisplayItemsParent> exten
currentPhotoViewer.offsetView(-dx, -dy);
}
});
list.addItemDecoration(new RecyclerView.ItemDecoration(){
private Paint paint=new Paint();
{
paint.setColor(UiUtils.getThemeColor(getActivity(), R.attr.colorPollVoted));
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(V.dp(1));
}
@Override
public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
for(int i=0;i<parent.getChildCount()-1;i++){
View child=parent.getChildAt(i);
View bottomSibling=parent.getChildAt(i+1);
RecyclerView.ViewHolder holder=parent.getChildViewHolder(child);
RecyclerView.ViewHolder siblingHolder=parent.getChildViewHolder(bottomSibling);
if(holder instanceof StatusDisplayItem.Holder && siblingHolder instanceof StatusDisplayItem.Holder
&& !((StatusDisplayItem.Holder<?>) holder).getItemID().equals(((StatusDisplayItem.Holder<?>) siblingHolder).getItemID())){
drawDivider(child, bottomSibling, holder, siblingHolder, parent, c, paint);
}
}
}
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
RecyclerView.ViewHolder holder=parent.getChildViewHolder(view);
if(holder instanceof ImageStatusDisplayItem.Holder){
int listWidth=getListWidthForMediaLayout();
int width=Math.min(listWidth, V.dp(ImageAttachmentFrameLayout.MAX_WIDTH));
PhotoLayoutHelper.TiledLayoutResult layout=((ImageStatusDisplayItem.Holder<?>) holder).getItem().tiledLayout;
PhotoLayoutHelper.TiledLayoutResult.Tile tile=((ImageStatusDisplayItem.Holder<?>) holder).getItem().thisTile;
if(tile.startCol+tile.colSpan<layout.columnSizes.length){
outRect.right=V.dp(1);
}
if(tile.startRow+tile.rowSpan<layout.rowSizes.length){
outRect.bottom=V.dp(1);
}
// For a view that spans rows, compensate its additional height so the row it's in stays the right height
if(tile.rowSpan>1){
outRect.bottom=-(Math.round(tile.height/1000f*width)-Math.round(layout.rowSizes[tile.startRow]/1000f*width));
}
// ...and for its siblings, offset those on rows below first to the right where they belong
if(tile.startCol>0 && layout.tiles[0].rowSpan>1 && tile.startRow>layout.tiles[0].startRow){
int xOffset=Math.round(layout.tiles[0].width/1000f*listWidth);
outRect.left=xOffset;
outRect.right=-xOffset;
}
// If the width of the media block is smaller than that of the RecyclerView, offset the views horizontally to center them
if(listWidth>width){
outRect.left+=(listWidth-V.dp(ImageAttachmentFrameLayout.MAX_WIDTH))/2;
if(tile.startCol>0){
int spanOffset=0;
for(int i=0;i<tile.startCol;i++){
spanOffset+=layout.columnSizes[i];
}
outRect.left-=Math.round(spanOffset/1000f*listWidth);
outRect.left+=Math.round(spanOffset/1000f*width);
}
}
}
}
});
list.addItemDecoration(new StatusListItemDecoration());
((UsableRecyclerView)list).setSelectorBoundsProvider(new UsableRecyclerView.SelectorBoundsProvider(){
private Rect tmpRect=new Rect();
@Override
@ -662,4 +603,145 @@ public abstract class BaseStatusListFragment<T extends DisplayItemsParent> exten
// }
// }
}
private class StatusListItemDecoration extends RecyclerView.ItemDecoration{
private Paint dividerPaint=new Paint(), hiddenMediaPaint=new Paint(Paint.ANTI_ALIAS_FLAG);
private Typeface mediumTypeface=Typeface.create("sans-serif-medium", Typeface.NORMAL);
private Layout mediaHiddenTitleLayout, mediaHiddenTextLayout, tapToRevealTextLayout;
private int currentMediaHiddenLayoutsWidth=0;
{
dividerPaint.setColor(UiUtils.getThemeColor(getActivity(), R.attr.colorPollVoted));
dividerPaint.setStyle(Paint.Style.STROKE);
dividerPaint.setStrokeWidth(V.dp(1));
}
@Override
public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
for(int i=0;i<parent.getChildCount()-1;i++){
View child=parent.getChildAt(i);
View bottomSibling=parent.getChildAt(i+1);
RecyclerView.ViewHolder holder=parent.getChildViewHolder(child);
RecyclerView.ViewHolder siblingHolder=parent.getChildViewHolder(bottomSibling);
if(holder instanceof StatusDisplayItem.Holder && siblingHolder instanceof StatusDisplayItem.Holder
&& !((StatusDisplayItem.Holder<?>) holder).getItemID().equals(((StatusDisplayItem.Holder<?>) siblingHolder).getItemID())){
drawDivider(child, bottomSibling, holder, siblingHolder, parent, c, dividerPaint);
}
}
}
@Override
public void onDrawOver(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
for(int i=0;i<parent.getChildCount();i++){
View child=parent.getChildAt(i);
RecyclerView.ViewHolder holder=parent.getChildViewHolder(child);
if(holder instanceof ImageStatusDisplayItem.Holder){
ImageStatusDisplayItem.Holder<?> imgHolder=(ImageStatusDisplayItem.Holder<?>) holder;
if(!imgHolder.getItem().status.spoilerRevealed && TextUtils.isEmpty(imgHolder.getItem().status.spoilerText)){
hiddenMediaPaint.setColor(0x80000000);
PhotoLayoutHelper.TiledLayoutResult.Tile tile=imgHolder.getItem().thisTile;
float hGap=tile.startCol>0 ? V.dp(1) : 0;
float vGap=tile.startRow>0 ? V.dp(1) : 0;
c.drawRect(child.getX()-hGap, child.getY()-vGap, child.getX()+child.getWidth(), child.getY()+child.getHeight(), hiddenMediaPaint);
}
}
}
for(int i=0;i<parent.getChildCount();i++){
View child=parent.getChildAt(i);
RecyclerView.ViewHolder holder=parent.getChildViewHolder(child);
if(holder instanceof ImageStatusDisplayItem.Holder){
ImageStatusDisplayItem.Holder<?> imgHolder=(ImageStatusDisplayItem.Holder<?>) holder;
if(!imgHolder.getItem().status.spoilerRevealed){
PhotoLayoutHelper.TiledLayoutResult.Tile tile=imgHolder.getItem().thisTile;
if(tile.startCol==0 && tile.startRow==0 && TextUtils.isEmpty(imgHolder.getItem().status.spoilerText)){
int listWidth=getListWidthForMediaLayout();
int width=Math.min(listWidth, V.dp(ImageAttachmentFrameLayout.MAX_WIDTH));
if(currentMediaHiddenLayoutsWidth!=width)
rebuildMediaHiddenLayouts(width-V.dp(32));
c.save();
float totalHeight;
boolean hiddenByAuthor=imgHolder.getItem().status.sensitive;
if(hiddenByAuthor)
totalHeight=mediaHiddenTitleLayout.getHeight()+mediaHiddenTextLayout.getHeight()+V.dp(8);
else
totalHeight=tapToRevealTextLayout.getHeight();
c.translate(child.getX()+V.dp(16), child.getY()+child.getHeight()/2f-totalHeight/2f);
if(hiddenByAuthor){
mediaHiddenTitleLayout.draw(c);
c.translate(0, mediaHiddenTitleLayout.getHeight()+V.dp(8));
mediaHiddenTextLayout.draw(c);
}else{
tapToRevealTextLayout.draw(c);
}
c.restore();
}
}
}
}
}
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state){
RecyclerView.ViewHolder holder=parent.getChildViewHolder(view);
if(holder instanceof ImageStatusDisplayItem.Holder){
int listWidth=getListWidthForMediaLayout();
int width=Math.min(listWidth, V.dp(ImageAttachmentFrameLayout.MAX_WIDTH));
PhotoLayoutHelper.TiledLayoutResult layout=((ImageStatusDisplayItem.Holder<?>) holder).getItem().tiledLayout;
PhotoLayoutHelper.TiledLayoutResult.Tile tile=((ImageStatusDisplayItem.Holder<?>) holder).getItem().thisTile;
if(tile.startCol+tile.colSpan<layout.columnSizes.length){
outRect.right=V.dp(1);
}
if(tile.startRow+tile.rowSpan<layout.rowSizes.length){
outRect.bottom=V.dp(1);
}
// For a view that spans rows, compensate its additional height so the row it's in stays the right height
if(tile.rowSpan>1){
outRect.bottom=-(Math.round(tile.height/1000f*width)-Math.round(layout.rowSizes[tile.startRow]/1000f*width));
}
// ...and for its siblings, offset those on rows below first to the right where they belong
if(tile.startCol>0 && layout.tiles[0].rowSpan>1 && tile.startRow>layout.tiles[0].startRow){
int xOffset=Math.round(layout.tiles[0].width/1000f*listWidth);
outRect.left=xOffset;
outRect.right=-xOffset;
}
// If the width of the media block is smaller than that of the RecyclerView, offset the views horizontally to center them
if(listWidth>width){
outRect.left+=(listWidth-V.dp(ImageAttachmentFrameLayout.MAX_WIDTH))/2;
if(tile.startCol>0){
int spanOffset=0;
for(int i=0;i<tile.startCol;i++){
spanOffset+=layout.columnSizes[i];
}
outRect.left-=Math.round(spanOffset/1000f*listWidth);
outRect.left+=Math.round(spanOffset/1000f*width);
}
}
}
}
private void rebuildMediaHiddenLayouts(int width){
String title=getString(R.string.sensitive_content);
TextPaint titlePaint=new TextPaint(Paint.ANTI_ALIAS_FLAG);
titlePaint.setColor(getResources().getColor(R.color.gray_50));
titlePaint.setTextSize(V.dp(22));
titlePaint.setTypeface(mediumTypeface);
mediaHiddenTitleLayout=StaticLayout.Builder.obtain(title, 0, title.length(), titlePaint, width)
.setAlignment(Layout.Alignment.ALIGN_CENTER)
.build();
String tapToReveal=getString(R.string.tap_to_reveal);
tapToRevealTextLayout=StaticLayout.Builder.obtain(tapToReveal, 0, tapToReveal.length(), titlePaint, width)
.setAlignment(Layout.Alignment.ALIGN_CENTER)
.build();
TextPaint textPaint=new TextPaint(Paint.ANTI_ALIAS_FLAG);
textPaint.setColor(getResources().getColor(R.color.gray_200));
textPaint.setTextSize(V.dp(16));
String text=getString(R.string.sensitive_content_explain);
mediaHiddenTextLayout=StaticLayout.Builder.obtain(text, 0, text.length(), textPaint, width)
.setAlignment(Layout.Alignment.ALIGN_CENTER)
.setLineSpacing(V.dp(5), 1f)
.build();
}
}
}

3
mastodon/src/main/res/values/strings.xml
View File

@ -264,4 +264,7 @@
<string name="settings_app_version">Mastodon for Android v%1$s (%2$d)</string>
<string name="media_cache_cleared">Media cache cleared</string>
<string name="confirm_log_out">Are you sure you want to sign out?</string>
<string name="sensitive_content">Sensitive content</string>
<string name="sensitive_content_explain">The author marked this media as sensitive. Tap to reveal.</string>
<string name="media_hidden">Tap to reveal</string>
</resources>