Library updating changes

git-svn-id: https://only.mawhrin.net/repos/FBReaderJ/trunk@1687 6a642e6f-84f6-412e-ac94-c4a38d5a04b0

TODO.network

@@ -17,10 +17,10 @@ NP: оповещение об изменениях в namespace'ах проис
 	DONE перенести xml на сервер
 		DONE кэширование каталога
 	DONE сделать кнопку "Обновить список каталогов" -- форсировать обновление кэша
-	** умное обновление каталогов согласно ID и UPDATED:
+	DONE умное обновление каталогов согласно ID и данным в Link'ах
-		** добавлять новые
+		DONE добавлять новые
-		** пересоздавать измененные
+		DONE пересоздавать измененные
-		** удалять только если нет детей
+		DONE удалять только если нет детей
 
 ** Использовать default e-mail при регистрации новых пользователей в AuthenticationDialog (возможно только в Android 2.0+)
 	** сделать кнопку

src/org/geometerplus/android/fbreader/network/NetworkCatalogActions.java

@@ -466,7 +466,7 @@ class NetworkCatalogActions extends NetworkTreeActions {
 	private void removeCustomLink(ICustomNetworkLink link) {
 		final NetworkLibrary library = NetworkLibrary.Instance();
 		library.removeCustomLink(link);
-		library.invalidate();
+		library.updateChildren();
 		library.synchronize();
 		NetworkView.Instance().fireModelChanged();
 	}

src/org/geometerplus/android/fbreader/network/NetworkDialog.java

@@ -80,7 +80,7 @@ abstract class NetworkDialog {
 			}
 			final NetworkLibrary library = NetworkLibrary.Instance();
 			if (message.arg1 != 0) {
-				library.invalidate();
+				library.invalidateChildren();
 			}
 			library.invalidateVisibility();
 			library.synchronize();

src/org/geometerplus/fbreader/network/ICustomNetworkLink.java

@@ -42,4 +42,11 @@ public interface ICustomNetworkLink extends INetworkLink {
 	void removeLink(String urlKey);
 
 	String reloadInfo();
+
+	// returns true if next methods have changed link's data:
+	//   setSiteName, setTitle, setSummary, setIcon, setLink, removeLink
+	boolean hasChanges();
+
+	// resets hasChanged() result
+	void resetChanges();
 }

src/org/geometerplus/fbreader/network/NetworkLibrary.java

@@ -21,6 +21,8 @@ package org.geometerplus.fbreader.network;
 
 import java.util.*;
 
+import android.util.Log;
+
 import org.geometerplus.zlibrary.core.util.ZLNetworkUtil;
 import org.geometerplus.zlibrary.core.options.ZLStringOption;
 import org.geometerplus.zlibrary.core.network.ZLNetworkRequest;
@@ -184,24 +186,20 @@ public class NetworkLibrary {
 	}
 
 	private static class LinksComparator implements Comparator<INetworkLink> {
+		private static String filterLinkTitle(String title) {
+			for (int index = 0; index < title.length(); ++index) {
+				final char ch = title.charAt(index);
+				if (ch < 128 && Character.isLetter(ch)) {
+					return title.substring(index);
+				}
+			}
+			return title;
+		}
+
 		public int compare(INetworkLink link1, INetworkLink link2) {
-			String title1 = link1.getTitle();
+			final String title1 = filterLinkTitle(link1.getTitle());
-			for (int index = 0; index < title1.length(); ++index) {
+			final String title2 = filterLinkTitle(link2.getTitle());
-				final char ch = title1.charAt(index);
+			return title1.compareToIgnoreCase(title2);
-				if (ch < 128 && Character.isLetter(ch)) {
-					title1 = title1.substring(index);
-					break;
-				}
-			}
-			String title2 = link2.getTitle();
-			for (int index = 0; index < title2.length(); ++index) {
-				final char ch = title2.charAt(index);
-				if (ch < 128 && Character.isLetter(ch)) {
-					title2 = title2.substring(index);
-					break;
-				}
-			}
-			return title1.compareTo(title2);
 		}
 	}
 
@@ -220,6 +218,7 @@ public class NetworkLibrary {
 	private final RootTree myRootTree = new RootTree();
 
 	private boolean myUpdateChildren = true;
+	private boolean myInvalidateChildren;
 	private boolean myUpdateVisibility;
 
 	private NetworkLibrary() {
@@ -329,7 +328,7 @@ public class NetworkLibrary {
 			synchronized (myLinks) {
 				myLoadedLinks.clear();
 				myLoadedLinks.addAll(myBackgroundLinks);
-				invalidate();
+				updateChildren();
 			}
 		}
 	}
@@ -347,7 +346,11 @@ public class NetworkLibrary {
 		return url;
 	}
 
-	public void invalidate() {
+	public void invalidateChildren() {
+		myInvalidateChildren = true;
+	}
+
+	public void updateChildren() {
 		myUpdateChildren = true;
 	}
 
@@ -355,7 +358,29 @@ public class NetworkLibrary {
 		myUpdateVisibility = true;
 	}
 
+
+	private static boolean linksEqual(INetworkLink l1, INetworkLink l2) {
+		return l1 == l2 || l1.getSiteName().equals(l2.getSiteName());
+	}
+
+	private static boolean linkIsInvalid(INetworkLink link, INetworkLink nodeLink) {
+		if (link instanceof ICustomNetworkLink) {
+			if (link != nodeLink) {
+				throw new RuntimeException("Two equal custom links!!! That's impossible");
+			}
+			return ((ICustomNetworkLink) link).hasChanges();
+		}
+		return !link.equals(nodeLink);
+	}
+
+	private static void makeValid(INetworkLink link) {
+		if (link instanceof ICustomNetworkLink) {
+			((ICustomNetworkLink) link).resetChanges();
+		}
+	}
+
 	private void makeUpToDate() {
+		Log.w("FBREADER", "makeUpToDate...");
 		final LinkedList<FBTree> toRemove = new LinkedList<FBTree>();
 
 		ListIterator<FBTree> nodeIterator = myRootTree.subTrees().listIterator();
@@ -380,34 +405,49 @@ public class NetworkLibrary {
 						continue;
 					}
 					final INetworkLink nodeLink = ((NetworkCatalogTree) currentNode).Item.Link;
-					if (nodeLink == link) {
+					if (linksEqual(link, nodeLink)) {
-						if (link instanceof ICustomNetworkLink) {
+						if (linkIsInvalid(link, nodeLink)) {
+							Log.w("FBREADER", "invalid link: " + link.getSiteName() + " /// " + link.getTitle());
 							toRemove.add(currentNode);
 						} else {
+							Log.w("FBREADER", "link is ok: " + link.getSiteName() + " /// " + link.getTitle());
 							processed = true;
 						}
 						currentNode = null;
 						++nodeCount;
 						break;
 					} else {
-						boolean found = false;
+						INetworkLink newNodeLink = null;
 						ListIterator<INetworkLink> jt = myLinks.listIterator(it);
 						while (jt.hasNext()) {
-							if (nodeLink == jt.next()) {
+							final INetworkLink jlnk = jt.next();
-								found = true;
+							if (linksEqual(nodeLink, jlnk)) {
+								newNodeLink = jlnk;
 								break;
 							}
 						}
-						if (!found) {
+						if (newNodeLink == null) {
+							Log.w("FBREADER", "nodeLink not found: " + nodeLink.getSiteName() + " /// " + nodeLink.getTitle());
 							toRemove.add(currentNode);
 							currentNode = null;
 							++nodeCount;
 						} else {
-							break;
+							if (linkIsInvalid(newNodeLink, nodeLink)) {
+								Log.w("FBREADER", "move nodeLink: " + nodeLink.getSiteName() + " /// " + nodeLink.getTitle());
+								Log.w("FBREADER", "new link will be: " + newNodeLink.getSiteName() + " /// " + newNodeLink.getTitle());
+								toRemove.add(currentNode);
+								currentNode = null;
+								++nodeCount;
+							} else {
+								Log.w("FBREADER", "need node for link: " + link.getSiteName() + " /// " + link.getTitle());
+								break;
+							}
 						}
 					}
 				}
 				if (!processed) {
+					Log.w("FBREADER", "create node for link: " + link.getSiteName() + " /// " + link.getTitle());
+					makeValid(link);
 					final int nextIndex = nodeIterator.nextIndex();
 					new NetworkCatalogRootTree(myRootTree, link, nodeCount++).Item.onDisplayItem();
 					nodeIterator = myRootTree.subTrees().listIterator(nextIndex + 1);
@@ -419,7 +459,10 @@ public class NetworkLibrary {
 			if (currentNode == null) {
 				currentNode = nodeIterator.next();
 			}
-			toRemove.add(currentNode);
+			if (currentNode instanceof NetworkCatalogTree) {
+				Log.w("FBREADER", "remove node: " + currentNode.getName());
+				toRemove.add(currentNode);
+			}
 			currentNode = null;
 		}
 
@@ -438,8 +481,14 @@ public class NetworkLibrary {
 	}
 
 	public void synchronize() {
-		if (myUpdateChildren) {
+		if (myUpdateChildren || myInvalidateChildren) {
+			if (myInvalidateChildren) {
+				final LinksComparator cmp = new LinksComparator();
+				//Collections.sort(myLoadedLinks, cmp); // this collection is always sorted
+				Collections.sort(myCustomLinks, cmp);
+			}
 			myUpdateChildren = false;
+			myInvalidateChildren = false;
 			makeUpToDate();
 		}
 		if (myUpdateVisibility) {

src/org/geometerplus/fbreader/network/authentication/NetworkAuthenticationManager.java

@@ -19,18 +19,38 @@
 
 package org.geometerplus.fbreader.network.authentication;
 
+import java.util.HashMap;
+
 import org.geometerplus.zlibrary.core.options.ZLStringOption;
 
 import org.geometerplus.fbreader.network.*;
 
+import org.geometerplus.fbreader.network.authentication.litres.LitResAuthenticationManager;
+
 
 public abstract class NetworkAuthenticationManager {
 
+	private static final HashMap<String, NetworkAuthenticationManager> ourManagers = new HashMap<String, NetworkAuthenticationManager>();
+
+	public static NetworkAuthenticationManager createManager(INetworkLink link, String sslCertificate, Class<? extends NetworkAuthenticationManager> managerClass) {
+		NetworkAuthenticationManager mgr = ourManagers.get(link.getSiteName());
+		if (mgr == null) {
+			if (managerClass == LitResAuthenticationManager.class) {
+				mgr = new LitResAuthenticationManager(link, sslCertificate);
+			}
+			if (mgr != null) {
+				ourManagers.put(link.getSiteName(), mgr);
+			}
+		}
+		return mgr;
+	}
+
+
 	public final INetworkLink Link;
 	public final ZLStringOption UserNameOption;
 	public final String SSLCertificate;
 
-	public NetworkAuthenticationManager(INetworkLink link, String sslCertificate) {
+	protected NetworkAuthenticationManager(INetworkLink link, String sslCertificate) {
 		Link = link;
 		UserNameOption = new ZLStringOption(link.getSiteName(), "userName", "");
 		SSLCertificate = sslCertificate;

src/org/geometerplus/fbreader/network/opds/OPDSCustomLink.java

@@ -26,6 +26,7 @@ import java.util.*;
 
 import org.geometerplus.zlibrary.core.network.ZLNetworkManager;
 import org.geometerplus.zlibrary.core.network.ZLNetworkRequest;
+import org.geometerplus.zlibrary.core.util.ZLMiscUtil;
 
 import org.geometerplus.fbreader.network.ICustomNetworkLink;
 import org.geometerplus.fbreader.network.INetworkLink;
@@ -37,6 +38,8 @@ class OPDSCustomLink extends OPDSNetworkLink implements ICustomNetworkLink {
 	private int myId;
 	private SaveLinkListener myListener;
 
+	private boolean myHasChanges;
+
 	OPDSCustomLink(int id, String siteName, String title, String summary, String icon, Map<String, String> links) {
 		super(siteName, title, summary, icon, links, false);
 		myId = id;
@@ -62,19 +65,32 @@ class OPDSCustomLink extends OPDSNetworkLink implements ICustomNetworkLink {
 		}
 	}
 
+	public boolean hasChanges() {
+		return myHasChanges;
+	}
+
+	public void resetChanges() {
+		myHasChanges = false;
+	}
+
+
 	public final void setIcon(String icon) {
+		myHasChanges = myHasChanges || !ZLMiscUtil.equals(myIcon, icon);
 		myIcon = icon;
 	}
 
 	public final void setSiteName(String name) {
+		myHasChanges = myHasChanges || !ZLMiscUtil.equals(mySiteName, name);
 		mySiteName = name;
 	}
 
 	public final void setSummary(String summary) {
+		myHasChanges = myHasChanges || !ZLMiscUtil.equals(mySummary, summary);
 		mySummary = summary;
 	}
 
 	public final void setTitle(String title) {
+		myHasChanges = myHasChanges || !ZLMiscUtil.equals(myTitle, title);
 		myTitle = title;
 	}
 
@@ -82,12 +98,14 @@ class OPDSCustomLink extends OPDSNetworkLink implements ICustomNetworkLink {
 		if (url == null) {
 			removeLink(urlKey);
 		} else {
-			myLinks.put(urlKey, url);
+			final String oldUrl = myLinks.put(urlKey, url);
+			myHasChanges = myHasChanges || !url.equals(oldUrl);
 		}
 	}
 
 	public final void removeLink(String urlKey) {
-		myLinks.remove(urlKey);
+		final String oldUrl = myLinks.remove(urlKey);
+		myHasChanges = myHasChanges || oldUrl != null;
 	}
 
 

src/org/geometerplus/fbreader/network/opds/OPDSLinkXMLReader.java

@@ -188,9 +188,9 @@ class OPDSLinkXMLReader extends OPDSXMLReader {
 
 			NetworkAuthenticationManager authManager = null;
 			if (myAuthenticationType == "basic") {
-				//authManager = new BasicAuthenticationManager(opdsLink, sslCertificate);
+				//authManager = NetworkAuthenticationManager.createManager(opdsLink, sslCertificate, BasicAuthenticationManager.class);
 			} else if (myAuthenticationType == "litres") {
-				authManager = new LitResAuthenticationManager(opdsLink, sslCertificate);
+				authManager = NetworkAuthenticationManager.createManager(opdsLink, sslCertificate, LitResAuthenticationManager.class);
 			}
 			opdsLink.setAuthenticationManager(authManager);