MainPagePanel content

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/MainPagePanel.form

@@ -277,5 +277,16 @@
         </Component>
       </SubComponents>
     </Container>
+    <Container class="javax.swing.JPanel" name="contentPanel">
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout" value="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout$AbsoluteConstraintsDescription">
+          <AbsoluteConstraints x="220" y="40" width="540" height="320"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout">
+        <Property name="useNullLayout" type="boolean" value="true"/>
+      </Layout>
+    </Container>
   </SubComponents>
 </Form>

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/MainPagePanel.java

@@ -85,6 +85,9 @@ public class MainPagePanel extends AnimatedPanel {
         pnlMore.setBackground(GraphicsUtils.getWebColorWithAlpha("FFFFFF7F"));
         pnlMore.setOpaque(true);
 		
+		recommendPanel = new RecommendPanel();
+		contentPanel.add(recommendPanel);
+
         Settings.getInstance().authChangedEvent.register(onAuthChanged);
         Settings.profileLoadingEvent.register(onLoadingProfiles);
         Settings.profileChangedEvent.register(onSelectedProfilesChanged);
@@ -122,6 +125,7 @@ public class MainPagePanel extends AnimatedPanel {
         btnLogout = new javax.swing.JButton();
         btnImportModpack = new javax.swing.JButton();
         btnExportModpack = new javax.swing.JButton();
+        contentPanel = new javax.swing.JPanel();
 
         setLayout(null);
 
@@ -262,7 +266,7 @@ public class MainPagePanel extends AnimatedPanel {
                             .addComponent(lblVersion, javax.swing.GroupLayout.Alignment.TRAILING))
                         .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                         .addGroup(pnlMoreLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                            .addComponent(cboProfiles, 0, 128, Short.MAX_VALUE)
+                            .addComponent(cboProfiles, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                             .addComponent(cboVersions, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                     .addGroup(pnlMoreLayout.createSequentialGroup()
                         .addGroup(pnlMoreLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
@@ -306,6 +310,10 @@ public class MainPagePanel extends AnimatedPanel {
 
         add(pnlMore);
         pnlMore.setBounds(0, 0, 190, 480);
+
+        contentPanel.setLayout(null);
+        add(contentPanel);
+        contentPanel.setBounds(220, 40, 540, 320);
     }// </editor-fold>//GEN-END:initComponents
 
     private void txtPlayerNameFocusGained(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_txtPlayerNameFocusGained
@@ -427,6 +435,8 @@ public class MainPagePanel extends AnimatedPanel {
         Settings.onProfileLoading();
     }
 	
+	private RecommendPanel recommendPanel;
+
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JButton btnExportModpack;
     private javax.swing.JButton btnImportModpack;
@@ -434,6 +444,7 @@ public class MainPagePanel extends AnimatedPanel {
     private javax.swing.JComboBox cboLoginMode;
     private javax.swing.JComboBox cboProfiles;
     private javax.swing.JComboBox cboVersions;
+    private javax.swing.JPanel contentPanel;
     private javax.swing.JLabel jLabel10;
     private javax.swing.JLabel jLabel7;
     private javax.swing.JLabel jLabel9;

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/RecommendPanel.java

@@ -0,0 +1,245 @@
+/*
+ * Copyright (C) 2016 evilwk <evilwk@gmail.com>
+ *
+ * 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 org.jackhuang.hellominecraft.launcher.ui;
+
+import java.awt.Graphics;
+import java.awt.Image;
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import javax.imageio.ImageIO;
+import javax.swing.JPanel;
+import javax.swing.SwingWorker;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.ArrayList;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import javax.swing.SwingUtilities;
+import org.jackhuang.hellominecraft.util.NetUtils;
+import org.jackhuang.hellominecraft.util.ui.SwingUtils;
+
+/**
+ *
+ * @author evilwk <evilwk@gmail.com>
+ */
+public class RecommendPanel extends JPanel {
+
+	private static final int SWITCH_INTERVAL = 10;
+	
+	private Image currImage;
+	private String imageKey = null;
+	private List<RecommendInfo> recommends;
+	public ScheduledExecutorService scheduledexec = Executors.newScheduledThreadPool(1);
+
+	public RecommendPanel() {
+		recommends = new ArrayList<RecommendInfo>();
+		new LoadImages().execute();
+		
+		addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseClicked(MouseEvent e) {
+				MouseClicked(e);
+			}
+		});
+	}
+	
+	private void MouseClicked(MouseEvent evt) {                                     
+		if (imageKey == null) {
+			return;
+		}
+		RecommendInfo info = recommends.get(getCurrentImageIndex());
+		if (info.link != null && !info.link.equals("")) {
+			SwingUtils.openLink(info.link);
+		}
+    }                                    
+
+	public void showImages() {
+		if (recommends.isEmpty()) {
+			return;
+		}
+
+		new Thread(new Runnable() {
+			@Override
+			public void run() {
+				for (RecommendInfo info : recommends) {
+					try {
+						File tempFile = File.createTempFile("hmcl", "png");
+						String tempPath = tempFile.getCanonicalPath();
+						if (NetUtils.download(info.url, tempPath)) {
+							info.image = ImageIO.read(tempFile);
+						}
+					} catch (IOException ex) {
+					}
+				}
+
+				if (getImagesSize() == 0 || showIfOnly()) {
+					return;
+				}
+				scheduledexec.scheduleAtFixedRate(new Runnable() {
+					@Override
+					public void run() {
+						SwingUtilities.invokeLater(new Runnable() {
+							@Override
+							public void run() {
+								int showIndex = getNextImageIndex();
+								RecommendInfo info = recommends.get(showIndex);
+								RecommendPanel.this.setImage(info.url, info.image);
+							}
+						});
+					}
+				}, 0, SWITCH_INTERVAL, TimeUnit.SECONDS);
+			}
+		}).start();
+	}
+
+	public int getImagesSize() {
+		int imageCount = 0;
+		for (RecommendInfo recommend : recommends) {
+			if (recommend.image != null) {
+				imageCount++;
+			}
+		}
+		return imageCount;
+	}
+
+	public boolean showIfOnly() {
+		if (getImagesSize() != 1) {
+			return false;
+		}
+		for (RecommendInfo recommend : recommends) {
+			if (recommend.image != null) {
+				SwingUtilities.invokeLater(new Runnable() {
+					@Override
+					public void run() {
+						RecommendPanel.this.setImage(recommend.url, recommend.image);
+					}
+				});
+			}
+		}
+		return true;
+	}
+
+	public int getNextImageIndex(int showIndex) {
+		if (showIndex >= recommends.size()) {
+			showIndex = 0;
+		}
+		RecommendInfo info = recommends.get(showIndex);
+		if (info.image == null) {
+			showIndex = getNextImageIndex(++showIndex);
+		}
+		return showIndex;
+	}
+
+	public int getNextImageIndex() {
+		int showIndex = 0;
+		if (imageKey != null) {
+			showIndex = getCurrentImageIndex();
+			showIndex++;
+		}
+		if (showIndex >= recommends.size()) {
+			showIndex = 0;
+		}
+		showIndex = getNextImageIndex(showIndex);
+		return showIndex >= recommends.size() ? 0 : showIndex;
+	}
+	
+	public int getCurrentImageIndex() {
+		int currIndex = 0;
+		for (int i = 0; i < recommends.size(); i++) {
+			RecommendInfo info = recommends.get(i);
+			if (imageKey != null && info.url.equals(imageKey)) {
+				currIndex = i;
+				break;
+			}
+		}
+		return currIndex;
+	}
+
+	public void setImage(String key, Image image) {
+		this.imageKey = key;
+		this.currImage = image;
+		setSize(image.getWidth(this), image.getHeight(this));
+		SwingUtilities.updateComponentTreeUI(this.getRootPane());
+	}
+
+	@Override
+	public void paintComponent(Graphics g) {
+		if (null == currImage) {
+			return;
+		}
+		g.drawImage(currImage, 0, 0, currImage.getWidth(this), currImage.getHeight(this), this);
+	}
+
+	static class RecommendInfo {
+		String url;
+		String link;
+		Image image;
+	}
+
+	class LoadImages extends SwingWorker<List<Map<String, String>>, Void> {
+
+		private static final String RECOMMEND_URL = "http://client.api.mcgogogo.com:81/recommend.php";
+
+		@Override
+		protected List<Map<String, String>> doInBackground() throws Exception {
+			List<Map<String, String>> infos = null;
+			do {
+				String content = NetUtils.get(RECOMMEND_URL);
+				if (content == null || content.equals("")) {
+					break;
+				}
+
+				Map<String, Object> data = new Gson().fromJson(content,
+						new TypeToken<Map<String, Object>>() {
+				}.getType());
+				if (data == null) {
+					break;
+				}
+
+				infos = (List<Map<String, String>>) data.get("data");
+			} while (false);
+			return infos;
+		}
+
+		@Override
+		protected void done() {
+			try {
+				List<Map<String, String>> infos = this.get();
+				if (infos == null) {
+					return;
+				}
+				for (Map<String, String> info : infos) {
+					RecommendInfo recommend = new RecommendInfo();
+					recommend.url = info.get("url");
+					recommend.link = info.get("link");
+					recommend.image = null;
+					recommends.add(recommend);
+				}
+				RecommendPanel.this.showImages();
+			} catch (InterruptedException | ExecutionException ex) {
+			}
+		}
+	}
+
+}

HMCUtils/src/main/java/org/jackhuang/hellominecraft/util/NetUtils.java

@@ -19,6 +19,8 @@ package org.jackhuang.hellominecraft.util;
 
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
 import java.io.ByteArrayOutputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -130,6 +132,23 @@ public final class NetUtils {
         return result;
     }
 	
+	public static boolean download(String url, String saveFile) {
+		try {
+			int readCount = 0;
+			byte[] buffer = new byte[1204];
+			InputStream inputStream = new URL(url).openConnection().getInputStream();
+			FileOutputStream fs = new FileOutputStream(saveFile);
+			while ((readCount = inputStream.read(buffer)) != -1) {
+				fs.write(buffer, 0, readCount);
+			}
+			return true;
+		} catch (FileNotFoundException e) {
+			return false;
+		} catch (IOException e) {
+			return false;
+		}
+	}
+
     private static final String DEFAULT_CHARSET = "UTF-8";
 
     public static URL constantURL(String url) {