v0.8.0: added an update notification service

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/TitleScene.java

@@ -34,6 +34,7 @@ import com.shatteredpixel.shatteredpixeldungeon.ui.Icons;
 import com.shatteredpixel.shatteredpixeldungeon.ui.LanguageButton;
 import com.shatteredpixel.shatteredpixeldungeon.ui.PrefsButton;
 import com.shatteredpixel.shatteredpixeldungeon.ui.StyledButton;
+import com.shatteredpixel.shatteredpixeldungeon.ui.UpdateNotification;
 import com.shatteredpixel.shatteredpixeldungeon.windows.WndOptions;
 import com.shatteredpixel.shatteredpixeldungeon.windows.WndStartGame;
 import com.watabou.glwrap.Blending;
@@ -225,6 +226,10 @@ public class TitleScene extends PixelScene {
 		btnExit.setPos( w - btnExit.width(), 0 );
 		add( btnExit );
 
+		UpdateNotification updInfo = new UpdateNotification();
+		updInfo.setRect(4, h-BTN_HEIGHT, updInfo.reqWidth() + 6, BTN_HEIGHT-4);
+		add(updInfo);
+
 		fadeIn();
 	}
 	

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/services/updates/Updates.java

@@ -0,0 +1,69 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.services.updates;
+
+public class Updates {
+
+	public static UpdateService service;
+
+	public static boolean supportsUpdates(){
+		return service != null;
+	}
+
+	private static boolean updateChecked = false;
+
+	public static void checkForUpdate(){
+		if (!supportsUpdates() || updateChecked) return;
+		service.checkForUpdate(new UpdateService.UpdateResultCallback() {
+			@Override
+			public void onUpdateAvailable(AvailableUpdateData update) {
+				updateChecked = true;
+				updateData = update;
+			}
+
+			@Override
+			public void onNoUpdateFound() {
+				updateChecked = true;
+			}
+
+			@Override
+			public void onConnectionFailed() {
+				updateChecked = false;
+			}
+		});
+	}
+
+	public static void launchUpdate( AvailableUpdateData data ){
+		service.initializeUpdate( data );
+	}
+
+	private static AvailableUpdateData updateData = null;
+
+	public static boolean updateAvailable(){
+		return updateData != null;
+	}
+
+	public static AvailableUpdateData updateData(){
+		return updateData;
+	}
+
+}

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ui/UpdateNotification.java

@@ -0,0 +1,79 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2019 Evan Debenham
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.shatteredpixel.shatteredpixeldungeon.ui;
+
+import com.shatteredpixel.shatteredpixeldungeon.Chrome;
+import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
+import com.shatteredpixel.shatteredpixeldungeon.messages.Messages;
+import com.shatteredpixel.shatteredpixeldungeon.services.updates.AvailableUpdateData;
+import com.shatteredpixel.shatteredpixeldungeon.services.updates.Updates;
+import com.shatteredpixel.shatteredpixeldungeon.windows.WndOptions;
+import com.watabou.noosa.Game;
+
+public class UpdateNotification extends StyledButton {
+
+	private static AvailableUpdateData update;
+
+	public UpdateNotification(){
+		super( Chrome.Type.GREY_BUTTON_TR, Messages.get(UpdateNotification.class, "title") );
+		textColor( Window.SHPX_COLOR );
+		visible = false;
+		Updates.checkForUpdate();
+	}
+
+	@Override
+	public void update() {
+		super.update();
+
+		if (Updates.updateAvailable()){
+			bg.alpha((float) (0.7f + Math.sin(Game.timeTotal*2)*0.3f));
+			text.alpha((float) (0.7f + Math.sin(Game.timeTotal*2)*0.3f));
+			visible = true;
+		} else {
+			visible = false;
+		}
+
+	}
+
+	@Override
+	protected void onClick() {
+		update = Updates.updateData();
+		ShatteredPixelDungeon.scene().addToFront( new WndUpdate() );
+	}
+
+	public static class WndUpdate extends WndOptions {
+
+		public WndUpdate(){
+			super(
+					update.versionName == null ? Messages.get(WndUpdate.class,"title") : Messages.get(WndUpdate.class,"versioned_title", update.versionName),
+					update.desc == null ? Messages.get(WndUpdate.class,"desc") : update.desc,
+					Messages.get(WndUpdate.class,"button"));
+		}
+
+		@Override
+		protected void onSelect(int index) {
+			if (index == 0) {
+				Updates.launchUpdate(update);
+			}
+		}
+	}
+}

core/src/main/resources/com/shatteredpixel/shatteredpixeldungeon/messages/ui/ui.properties

@@ -1,3 +1,9 @@
 ui.quickslotbutton.select_item=Quickslot an item
 
 ui.toolbar.examine_prompt=Press again to search\nPress a tile to examine
+
+ui.updatenotification.title=Update
+ui.updatenotification$wndupdate.title=An Update is Available!
+ui.updatenotification$wndupdate.versioned_title=Update Available: %s
+ui.updatenotification$wndupdate.desc=Shattered Pixel Dungeon is regularly updated with overhauls to existing game content, or entirely new content!\n\nGame balance is also frequently improved in game updates, so that specific items/heroes/enemies aren't too strong or too weak.\n\nUpdates also include fixes for bugs and other various stability improvements.
+ui.updatenotification$wndupdate.button=Go To Update Page