implement pinning and unpinning posts

mastodon/src/main/java/org/joinmastodon/android/api/requests/statuses/SetStatusPinned.java

@@ -0,0 +1,11 @@
+package org.joinmastodon.android.api.requests.statuses;
+
+import org.joinmastodon.android.api.MastodonAPIRequest;
+import org.joinmastodon.android.model.Status;
+
+public class SetStatusPinned extends MastodonAPIRequest<Status>{
+	public SetStatusPinned(String id, boolean pinned){
+		super(HttpMethod.POST, "/statuses/"+id+"/"+(pinned ? "pin" : "unpin"), Status.class);
+		setRequestBody(new Object());
+	}
+}

mastodon/src/main/java/org/joinmastodon/android/events/StatusUnpinnedEvent.java

@@ -0,0 +1,11 @@
+package org.joinmastodon.android.events;
+
+public class StatusUnpinnedEvent {
+	public final String id;
+	public final String accountID;
+
+	public StatusUnpinnedEvent(String id, String accountID){
+		this.id=id;
+		this.accountID=accountID;
+	}
+}

mastodon/src/main/java/org/joinmastodon/android/fragments/AccountTimelineFragment.java

@@ -8,8 +8,10 @@ import org.joinmastodon.android.R;
 import org.joinmastodon.android.api.requests.accounts.GetAccountStatuses;
 import org.joinmastodon.android.api.session.AccountSessionManager;
 import org.joinmastodon.android.events.StatusCreatedEvent;
+import org.joinmastodon.android.events.StatusUnpinnedEvent;
 import org.joinmastodon.android.model.Account;
 import org.joinmastodon.android.model.Status;
+import org.joinmastodon.android.ui.displayitems.HeaderStatusDisplayItem;
 import org.parceler.Parcels;
 
 import java.util.Collections;
@@ -86,4 +88,24 @@ public class AccountTimelineFragment extends StatusListFragment{
 		}
 		prependItems(Collections.singletonList(ev.status), true);
 	}
+
+	protected void onStatusUnpinned(StatusUnpinnedEvent ev){
+		if(!ev.accountID.equals(accountID) || filter!=GetAccountStatuses.Filter.PINNED)
+			return;
+
+		Status status=getStatusByID(ev.id);
+		data.remove(status);
+		preloadedData.remove(status);
+		HeaderStatusDisplayItem item=findItemOfType(ev.id, HeaderStatusDisplayItem.class);
+		if(item==null)
+			return;
+		int index=displayItems.indexOf(item);
+		int lastIndex;
+		for(lastIndex=index;lastIndex<displayItems.size();lastIndex++){
+			if(!displayItems.get(lastIndex).parentID.equals(ev.id))
+				break;
+		}
+		displayItems.subList(index, lastIndex).clear();
+		adapter.notifyItemRangeRemoved(index, lastIndex-index);
+	}
 }

mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java

@@ -9,6 +9,7 @@ import org.joinmastodon.android.events.PollUpdatedEvent;
 import org.joinmastodon.android.events.StatusCountersUpdatedEvent;
 import org.joinmastodon.android.events.StatusCreatedEvent;
 import org.joinmastodon.android.events.StatusDeletedEvent;
+import org.joinmastodon.android.events.StatusUnpinnedEvent;
 import org.joinmastodon.android.model.Status;
 import org.joinmastodon.android.ui.displayitems.ExtendedFooterStatusDisplayItem;
 import org.joinmastodon.android.ui.displayitems.FooterStatusDisplayItem;
@@ -61,6 +62,8 @@ public abstract class StatusListFragment extends BaseStatusListFragment<Status>{
 
 	protected void onStatusCreated(StatusCreatedEvent ev){}
 
+	protected void onStatusUnpinned(StatusUnpinnedEvent ev){}
+
 	protected Status getContentStatusByID(String id){
 		Status s=getStatusByID(id);
 		return s==null ? null : s.getContentStatus();
@@ -131,6 +134,11 @@ public abstract class StatusListFragment extends BaseStatusListFragment<Status>{
 			StatusListFragment.this.onStatusCreated(ev);
 		}
 
+		@Subscribe
+		public void onStatusUnpinned(StatusUnpinnedEvent ev){
+			StatusListFragment.this.onStatusUnpinned(ev);
+		}
+
 		@Subscribe
 		public void onPollUpdated(PollUpdatedEvent ev){
 			if(!ev.accountID.equals(accountID))

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/HeaderStatusDisplayItem.java

@@ -137,6 +137,8 @@ public class HeaderStatusDisplayItem extends StatusDisplayItem{
 				int id=menuItem.getItemId();
 				if(id==R.id.delete){
 					UiUtils.confirmDeletePost(item.parentFragment.getActivity(), item.parentFragment.getAccountID(), item.status, s->{});
+				}else if(id==R.id.pin || id==R.id.unpin){
+					UiUtils.confirmPinPost(item.parentFragment.getActivity(), item.parentFragment.getAccountID(), item.status, !item.status.pinned, s->{});
 				}else if(id==R.id.mute){
 					UiUtils.confirmToggleMuteUser(item.parentFragment.getActivity(), item.parentFragment.getAccountID(), account, relationship!=null && relationship.muting, r->{});
 				}else if(id==R.id.block){
@@ -250,6 +252,8 @@ public class HeaderStatusDisplayItem extends StatusDisplayItem{
 			Menu menu=optionsMenu.getMenu();
 			boolean isOwnPost=AccountSessionManager.getInstance().isSelf(item.parentFragment.getAccountID(), account);
 			menu.findItem(R.id.delete).setVisible(item.status!=null && isOwnPost);
+			menu.findItem(R.id.pin).setVisible(item.status!=null && isOwnPost && !item.status.pinned);
+			menu.findItem(R.id.unpin).setVisible(item.status!=null && isOwnPost && item.status.pinned);
 			menu.findItem(R.id.open_in_browser).setVisible(item.status!=null);
 			MenuItem blockDomain=menu.findItem(R.id.block_domain);
 			MenuItem mute=menu.findItem(R.id.mute);

mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java

@@ -11,7 +11,6 @@ import android.content.res.TypedArray;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
-import android.graphics.Typeface;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.InsetDrawable;
@@ -42,8 +41,10 @@ import org.joinmastodon.android.api.requests.accounts.SetAccountMuted;
 import org.joinmastodon.android.api.requests.accounts.SetDomainBlocked;
 import org.joinmastodon.android.api.requests.statuses.DeleteStatus;
 import org.joinmastodon.android.api.requests.statuses.GetStatusByID;
+import org.joinmastodon.android.api.requests.statuses.SetStatusPinned;
 import org.joinmastodon.android.api.session.AccountSessionManager;
 import org.joinmastodon.android.events.StatusDeletedEvent;
+import org.joinmastodon.android.events.StatusUnpinnedEvent;
 import org.joinmastodon.android.fragments.HashtagTimelineFragment;
 import org.joinmastodon.android.fragments.ProfileFragment;
 import org.joinmastodon.android.fragments.ThreadFragment;
@@ -349,6 +350,31 @@ public class UiUtils{
 		});
 	}
 
+	public static void confirmPinPost(Activity activity, String accountID, Status status, boolean pinned, Consumer<Status> resultCallback){
+		showConfirmationAlert(activity,
+				pinned ? R.string.confirm_pin_post_title : R.string.confirm_unpin_post_title,
+				pinned ? R.string.confirm_pin_post : R.string.confirm_unpin_post,
+				pinned ? R.string.pin_post : R.string.unpin_post,
+				()->{
+					new SetStatusPinned(status.id, pinned)
+							.setCallback(new Callback<>() {
+								@Override
+								public void onSuccess(Status result) {
+									resultCallback.accept(result);
+									if (!result.pinned)
+										E.post(new StatusUnpinnedEvent(status.id, accountID));
+								}
+
+								@Override
+								public void onError(ErrorResponse error) {
+									error.showToast(activity);
+								}
+							})
+							.wrapProgress(activity, pinned ? R.string.pinning : R.string.unpinning, false)
+							.exec(accountID);
+				});
+	}
+
 	public static void setRelationshipToActionButton(Relationship relationship, Button button){
 		boolean secondaryStyle;
 		if(relationship.blocking){

mastodon/src/main/res/menu/post.xml

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 	<item android:id="@+id/delete" android:title="@string/delete"/>
+	<item android:id="@+id/pin" android:title="@string/pin_post"/>
+	<item android:id="@+id/unpin" android:title="@string/unpin_post"/>
 	<item android:id="@+id/mute" android:title="@string/mute_user"/>
 	<item android:id="@+id/block" android:title="@string/block_user"/>
 	<item android:id="@+id/block_domain" android:title="@string/block_domain"/>

mastodon/src/main/res/values/strings.xml

@@ -130,6 +130,14 @@
 	<string name="confirm_delete_title">Delete Post</string>
 	<string name="confirm_delete">Are you sure you want to delete this post?</string>
 	<string name="deleting">Deleting…</string>
+	<string name="pin_post">Pin to profile</string>
+	<string name="confirm_pin_post_title">Pin post to profile</string>
+	<string name="confirm_pin_post">Do you want to pin this post to your profile?</string>
+	<string name="pinning">Pinning post…</string>
+	<string name="unpin_post">Unpin from profile</string>
+	<string name="confirm_unpin_post_title">Unpin post from profile</string>
+	<string name="confirm_unpin_post">Are you sure you want to unpin this post?</string>
+	<string name="unpinning">Unpinning post…</string>
 	<string name="notification_channel_audio_player">Audio playback</string>
 	<string name="play">Play</string>
 	<string name="pause">Pause</string>