loader code updated to be android-independent

TODO.litres

@@ -23,6 +23,9 @@ DONE single book activity
 depends_on_ip (?)
 
 resources for search actions
+  errorMessage
+  titles/summaries
+	menu items
 Search actions
   stopping search
 проверить все пути регистрации

assets/resources/application/en.xml

@@ -637,10 +637,6 @@
 			<node name="noRequiredInformation" value="Required information is not specified in the catalog" />
 			<node name="cacheDirectoryError" value="Unable to create cache directory" />
 		</node>
-		<node name="emptySearchResults">
-			<node name="title" value="Search results" />
-			<node name="message" value="There are no suitable books found" />
-		</node>
 		<node name="AuthenticationDialog">
 			<node name="title" value="Authentication" />
 			<node name="unencryptedWarning" value="Your password will be sent unencrypted" />
@@ -693,6 +689,7 @@
 		<node name="noFavorites" value="Your favorites list is empty, sorry"/>
 		<node name="emptyCatalog" value="Catalog is empty, sorry" />
 		<node name="emptyBasket" value="Your basket is empty, sorry" />
+		<node name="emptyNetworkSearchResults" value="No books found, sorry" />
 	</node>
 	<node name="external">
 		<node name="browser" value="Browser"/>

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

@@ -21,8 +21,6 @@ package org.geometerplus.android.fbreader.network;
 
 import java.util.Set;
 
-import android.app.Activity;
-
 import org.geometerplus.zlibrary.core.network.ZLNetworkException;
 
 import org.geometerplus.fbreader.network.*;
@@ -30,18 +28,12 @@ import org.geometerplus.fbreader.network.tree.NetworkCatalogTree;
 import org.geometerplus.fbreader.network.tree.NetworkItemsLoader;
 
 public abstract class ItemsLoader extends NetworkItemsLoader {
-	protected final Activity myActivity;
-
-	private volatile boolean myFinishProcessed;
-	private final Object myFinishMonitor = new Object();
-
 	private volatile boolean myFinished;
 	private volatile Runnable myPostRunnable;
 	private final Object myFinishedLock = new Object();
 
-	public ItemsLoader(Activity activity, NetworkCatalogTree tree) {
+	public ItemsLoader(NetworkCatalogTree tree) {
 		super(tree);
-		myActivity = activity;
 	}
 
 	public final void run() {
@@ -54,7 +46,7 @@ public abstract class ItemsLoader extends NetworkItemsLoader {
 			try {
 				doBefore();
 			} catch (ZLNetworkException e) {
-				finishOnUiThread(e.getMessage(), false);
+				onFinish(e.getMessage(), false);
 				return;
 			}
 			String error = null;
@@ -64,8 +56,7 @@ public abstract class ItemsLoader extends NetworkItemsLoader {
 				error = e.getMessage();
 			}
 
-			finishOnUiThread(error, isLoadingInterrupted());
+			onFinish(error, isLoadingInterrupted());
-			ensureFinishProcessed();
 		} finally {
 			library.removeStoredLoader(getTree());
 			synchronized (myFinishedLock) {
@@ -91,30 +82,6 @@ public abstract class ItemsLoader extends NetworkItemsLoader {
 		}
 	}
 
-	private final void ensureFinishProcessed() {
-		synchronized (myFinishMonitor) {
-			while (!myFinishProcessed) {
-				try {
-					myFinishMonitor.wait();
-				} catch (InterruptedException e) {
-				}
-			}
-		}
-	}
-
-	private final void finishOnUiThread(final String errorMessage, final boolean interrupted) {
-		myActivity.runOnUiThread(new Runnable() {
-			public void run() {
-				synchronized (myFinishMonitor) {
-					onFinish(errorMessage, interrupted);
-					myFinishProcessed = true;
-					// wake up process, that waits for finish condition (see ensureFinish() method)
-					myFinishMonitor.notifyAll();
-				}
-			}
-		});
-	}
-
 	protected abstract void onFinish(String errorMessage, boolean interrupted);
 
 	protected abstract void doBefore() throws ZLNetworkException;

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

@@ -396,7 +396,7 @@ public class NetworkBookInfoActivity extends Activity implements NetworkLibrary.
 		super.onStop();
 	}
 
-	public void onLibraryChanged(NetworkLibrary.ChangeListener.Code code) {
+	public void onLibraryChanged(NetworkLibrary.ChangeListener.Code code, Object[] params) {
 		if (myBook == null) {
 			return;
 		}

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

@@ -38,6 +38,8 @@ import org.geometerplus.fbreader.network.tree.*;
 import org.geometerplus.android.fbreader.tree.TreeActivity;
 import org.geometerplus.android.fbreader.network.action.*;
 
+import org.geometerplus.android.util.UIUtil;
+
 public class NetworkLibraryActivity extends TreeActivity implements NetworkLibrary.ChangeListener {
 	protected static final int BASIC_AUTHENTICATION_CODE = 1;
 	protected static final int SIGNUP_CODE = 2;
@@ -324,9 +326,12 @@ public class NetworkLibraryActivity extends TreeActivity implements NetworkLibra
 	}
 
 	// method from NetworkLibrary.ChangeListener
-	public void onLibraryChanged(NetworkLibrary.ChangeListener.Code code) {
+	public void onLibraryChanged(final NetworkLibrary.ChangeListener.Code code, final Object[] params) {
 		runOnUiThread(new Runnable() {
 			public void run() {
+				switch (code) {
+					default:
+					{
 						final NetworkTree tree = getLoadableNetworkTree((NetworkTree)getCurrentTree());
 						final boolean inProgress =
 							tree != null &&
@@ -335,6 +340,18 @@ public class NetworkLibraryActivity extends TreeActivity implements NetworkLibra
                     
 						getListAdapter().replaceAll(getCurrentTree().subTrees());
 						getListView().invalidateViews();
+						break;
+					}
+					case NotFound:
+						UIUtil.showErrorMessage(NetworkLibraryActivity.this, "emptyNetworkSearchResults");
+						break;
+					case EmptyCatalog:
+						UIUtil.showErrorMessage(NetworkLibraryActivity.this, "emptyCatalog");
+						break;
+					case NetworkError:
+						UIUtil.showMessageText(NetworkLibraryActivity.this, (String)params[0]);
+						break;
+				}
 			}
 		});
 	}

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

@@ -64,9 +64,10 @@ public class NetworkSearchActivity extends Activity {
 
 	private static class Searcher extends ItemsLoader {
 		private final String myPattern;
+		private volatile boolean myItemFound;
 
-		public Searcher(Activity activity, SearchCatalogTree tree, String pattern) {
+		public Searcher(SearchCatalogTree tree, String pattern) {
-			super(activity, tree);
+			super(tree);
 			myPattern = pattern;
 		}
 
@@ -76,23 +77,24 @@ public class NetworkSearchActivity extends Activity {
 
 		@Override
 		public void doLoading() {
-			try {
+			//try {
-				NetworkLibrary.Instance().simpleSearch(myPattern, this);
+				//NetworkLibrary.Instance().simpleSearch(myPattern, this);
-			} catch (ZLNetworkException e) {
+			//} catch (ZLNetworkException e) {
-			}
+			//}
 		}
 
-			/*
 		@Override
-		protected void addItem(NetworkItem item) {
+		public synchronized void onNewItem(final NetworkItem item) {
-			SearchResult result = getTree().getSearchResult();
+			if (!myItemFound) {
-			if (item instanceof NetworkBookItem) {
+				((SearchCatalogTree)getTree()).setPattern(myPattern);
-				result.addBook((NetworkBookItem)item);
+				getTree().clearCatalog();
-				getTree().updateSubTrees();
+				NetworkLibrary.Instance().fireModelChangedEvent(
-				NetworkLibrary.Instance().fireModelChangedEvent(NetworkLibrary.ChangeListener.Code.SomeCode);
+					NetworkLibrary.ChangeListener.Code.Found, getTree().getUniqueKey()
+				);
+				myItemFound = true;
 			}
+			super.onNewItem(item);
 		}
-			*/
 
 		@Override
 		protected void onFinish(String errorMessage, boolean interrupted) {
@@ -102,9 +104,12 @@ public class NetworkSearchActivity extends Activity {
 				//getTree().updateSubTrees();
 				//afterUpdateCatalog(errorMessage, getTree().getSearchResult().isEmpty());
 			}
-			NetworkLibrary.Instance().fireModelChangedEvent(NetworkLibrary.ChangeListener.Code.SomeCode);
+			if (!myItemFound) {
+				NetworkLibrary.Instance().fireModelChangedEvent(NetworkLibrary.ChangeListener.Code.NotFound);
+			}
 		}
 
+		/*
 		private void afterUpdateCatalog(String errorMessage, boolean childrenEmpty) {
 			final ZLResource dialogResource = ZLResource.resource("dialog");
 			ZLResource boxResource = null;
@@ -132,20 +137,19 @@ public class NetworkSearchActivity extends Activity {
 				.setPositiveButton(buttonResource.getResource("ok").getValue(), null)
 				.create().show();
 		}
+		*/
 	}
 
 	protected void runSearch(SearchCatalogTree tree, String pattern) {
 		final NetworkLibrary library = NetworkLibrary.Instance();
 		library.NetworkSearchPatternOption.setValue(pattern);
-
+		new Searcher(tree, pattern).start();
 		/*
 		final String summary = NetworkLibrary.resource().getResource("searchResults").getValue().replace("%s", pattern);
 		final SearchResult result = new SearchResult(summary);
 
 		//tree.setSearchResult(result);
-		NetworkLibrary.Instance().fireModelChangedEvent(NetworkLibrary.ChangeListener.Code.SomeCode);
 
-		new Searcher(this, tree, pattern).start();
 		Util.openTree(this, tree);
 		*/
 	}

src/org/geometerplus/android/fbreader/network/action/CatalogExpander.java

@@ -21,12 +21,8 @@ package org.geometerplus.android.fbreader.network.action;
 
 import java.util.*;
 
-import android.app.Activity;
-
 import org.geometerplus.zlibrary.core.network.ZLNetworkException;
 
-import org.geometerplus.android.util.UIUtil;
-
 import org.geometerplus.fbreader.network.INetworkLink;
 import org.geometerplus.fbreader.network.NetworkLibrary;
 import org.geometerplus.fbreader.network.NetworkItem;
@@ -40,9 +36,8 @@ class CatalogExpander extends ItemsLoader {
 	private final boolean myCheckAuthentication;
 	private final boolean myResumeNotLoad;
 
-	public CatalogExpander(Activity activity,
+	public CatalogExpander(NetworkCatalogTree tree, boolean checkAuthentication, boolean resumeNotLoad) {
-			NetworkCatalogTree tree, boolean checkAuthentication, boolean resumeNotLoad) {
+		super(tree);
-		super(activity, tree);
 		myCheckAuthentication = checkAuthentication;
 		myResumeNotLoad = resumeNotLoad;
 	}
@@ -80,9 +75,13 @@ class CatalogExpander extends ItemsLoader {
 			getTree().updateLoadedTime();
 			if (!interrupted) {
 				if (errorMessage != null) {
-					UIUtil.showMessageText(myActivity, errorMessage);
+					NetworkLibrary.Instance().fireModelChangedEvent(
+						NetworkLibrary.ChangeListener.Code.NetworkError, errorMessage
+					);
 				} else if (getTree().subTrees().isEmpty()) {
-					UIUtil.showErrorMessage(myActivity, "emptyCatalog");
+					NetworkLibrary.Instance().fireModelChangedEvent(
+						NetworkLibrary.ChangeListener.Code.EmptyCatalog, errorMessage
+					);
 				}
 			}
 			final NetworkLibrary library = NetworkLibrary.Instance();

src/org/geometerplus/android/fbreader/network/action/OpenCatalogAction.java

@@ -84,7 +84,7 @@ public class OpenCatalogAction extends CatalogAction {
 					}
 				}
 
-				new CatalogExpander(myActivity, tree, true, resumeNotLoad).start();
+				new CatalogExpander(tree, true, resumeNotLoad).start();
 				processExtraData(tree.Item.extraData(), new Runnable() {
 					public void run() {
 						Util.openTree(myActivity, tree);

src/org/geometerplus/android/fbreader/network/action/ReloadCatalogAction.java

@@ -50,6 +50,6 @@ public class ReloadCatalogAction extends CatalogAction {
 			return;
 		}
 		((NetworkCatalogTree)tree).clearCatalog();
-		new CatalogExpander(myActivity, (NetworkCatalogTree)tree, false, false).start();
+		new CatalogExpander((NetworkCatalogTree)tree, false, false).start();
 	}
 }

src/org/geometerplus/android/fbreader/network/action/RunSearchAction.java

@@ -61,7 +61,7 @@ public class RunSearchAction extends Action {
 
 	@Override
 	public boolean isEnabled(NetworkTree tree) {
-		return NetworkLibrary.Instance().getStoredLoader(tree) != null;
+		return NetworkLibrary.Instance().getStoredLoader(tree) == null;
 	}
 
 	@Override

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

@@ -25,10 +25,15 @@ import org.geometerplus.fbreader.network.tree.NetworkItemsLoader;
 
 public class AllCatalogsSearchItem extends SearchItem {
 	public AllCatalogsSearchItem() {
-		super(
+		super(null);
-			null,
+	}
-			getResource().getResource("summaryAllCatalogs").getValue()
+
-		);
+	@Override
+	protected String getSummaryString() {
+		return 
+			getPattern() != null
+				? NetworkLibrary.resource().getResource("found").getResource("summary").getValue().replace("%s", getPattern())
+				: NetworkLibrary.resource().getResource("search").getResource("summaryAllCatalogs").getValue();
 	}
 
 	@Override

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

@@ -38,17 +38,19 @@ import org.geometerplus.fbreader.network.urlInfo.UrlInfo;
 public class NetworkLibrary {
 	public interface ChangeListener {
 		public enum Code {
-			SomeCode
+			SomeCode,
 			/*
 			ItemAdded,
 			ItemRemoved,
 			StatusChanged,
-			Found,
-			NotFound
 			*/
+			Found,
+			NotFound,
+			EmptyCatalog,
+			NetworkError
 		}
 
-		void onLibraryChanged(Code code);
+		void onLibraryChanged(Code code, Object[] params);
 	}
 
 	private static NetworkLibrary ourInstance;
@@ -174,6 +176,8 @@ public class NetworkLibrary {
 
 	private volatile boolean myIsInitialized;
 
+	private final SearchItem mySearchItem = new AllCatalogsSearchItem();
+
 	private NetworkLibrary() {
 	}
 
@@ -280,18 +284,6 @@ public class NetworkLibrary {
 		myUpdateVisibility = true;
 	}
 
-//	private static boolean linkIsChanged(INetworkLink link) {
-//		return
-//			link instanceof ICustomNetworkLink &&
-//			((ICustomNetworkLink)link).hasChanges();
-//	}
-
-//	private static void makeValid(INetworkLink link) {
-//		if (link instanceof ICustomNetworkLink) {
-//			((ICustomNetworkLink)link).resetChanges();
-//		}
-//	}
-
 	private void makeUpToDate() {
 		final SortedSet<INetworkLink> linkSet = new TreeSet<INetworkLink>(activeLinks());
 
@@ -338,7 +330,7 @@ public class NetworkLibrary {
 			new NetworkCatalogRootTree(myRootTree, link, index);
 		}
 		// we do add non-catalog items
-		new SearchCatalogTree(myRootTree, new AllCatalogsSearchItem(), 0);
+		new SearchCatalogTree(myRootTree, mySearchItem, 0);
 		new AddCustomCatalogItemTree(myRootTree);
 
 		fireModelChangedEvent(ChangeListener.Code.SomeCode);
@@ -463,10 +455,10 @@ public class NetworkLibrary {
 	}
 
 	// TODO: change to private
-	/*private*/ public void fireModelChangedEvent(ChangeListener.Code code) {
+	/*private*/ public void fireModelChangedEvent(ChangeListener.Code code, Object ... params) {
 		synchronized (myListeners) {
 			for (ChangeListener l : myListeners) {
-				l.onLibraryChanged(code);
+				l.onLibraryChanged(code, params);
 			}
 		}
 	}

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

@@ -19,28 +19,34 @@
 
 package org.geometerplus.fbreader.network;
 
-import org.geometerplus.zlibrary.core.resources.ZLResource;
-
 import org.geometerplus.fbreader.network.urlInfo.*;
 
 public abstract class SearchItem extends NetworkCatalogItem {
-	protected static ZLResource getResource() {
-		return NetworkLibrary.resource().getResource("search");
-	}
-
 	private String myPattern;
 
-	protected SearchItem(INetworkLink link, String summary) {
+	protected SearchItem(INetworkLink link) {
 		super(
 			link,
-			getResource().getValue(),
+			NetworkLibrary.resource().getResource("search").getValue(),
-			summary,
+			"",
 			new UrlInfoCollection<UrlInfo>(),
 			Accessibility.ALWAYS,
 			FLAGS_DEFAULT
 		);
+		setSummary(getSummaryString());
 	}
 
+	public void setPattern(String pattern) {
+		myPattern = pattern;
+		setSummary(getSummaryString());
+	}
+
+	protected String getPattern() {
+		return myPattern;
+	}
+
+	protected abstract String getSummaryString();
+
 	@Override
 	public String getStringId() {
 		return "@Search";

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

@@ -25,10 +25,15 @@ import org.geometerplus.fbreader.network.tree.NetworkItemsLoader;
 
 public class SingleCatalogSearchItem extends SearchItem {
 	public SingleCatalogSearchItem(INetworkLink link) {
-		super(
+		super(link);
-			link,
+	}
-			getResource().getResource("summary").getValue().replace("%s", link.getSiteName())
+
-		);
+	@Override
+	protected String getSummaryString() {
+		return 
+			getPattern() != null
+				? NetworkLibrary.resource().getResource("found").getResource("summary").getValue().replace("%s", getPattern())
+				: NetworkLibrary.resource().getResource("search").getResource("summary").getValue().replace("%s", Link.getSiteName());
 	}
 
 	@Override

src/org/geometerplus/fbreader/network/tree/NetworkCatalogTree.java

@@ -59,13 +59,17 @@ public class NetworkCatalogTree extends NetworkTree {
 		return Item.canBeOpened();
 	}
 
+	private SearchItem mySearchItem;
+ 
 	private void addSearchTree() {
 		if ((Item.getFlags() & NetworkCatalogItem.FLAG_ADD_SEARCH_ITEM) != 0) {
 			final INetworkLink link = getLink();
 			if (link != null && link.getUrl(UrlInfo.Type.Search) != null) {
-				final SearchItem item = new SingleCatalogSearchItem(link);
+				if (mySearchItem == null) {
-				myChildrenItems.add(item);
+					mySearchItem = new SingleCatalogSearchItem(link);
-				new SearchCatalogTree(this, item, 0);
+				}
+				myChildrenItems.add(mySearchItem);
+				new SearchCatalogTree(this, mySearchItem, 0);
 			}
 		}
 	}

src/org/geometerplus/fbreader/network/tree/NetworkItemsLoader.java

@@ -83,7 +83,7 @@ public abstract class NetworkItemsLoader implements Runnable {
 		}
 	}
 
-	public final void onNewItem(final NetworkItem item) {
+	public void onNewItem(final NetworkItem item) {
 		getTree().addItem(item);
 	}
 }

src/org/geometerplus/fbreader/network/tree/SearchCatalogTree.java

@@ -32,6 +32,10 @@ public class SearchCatalogTree extends NetworkCatalogTree {
 		setCover(null);
 	}
 
+	public void setPattern(String pattern) {
+		((SearchItem)Item).setPattern(pattern);
+	}
+
 	@Override
 	public String getTreeTitle() {
 		return getSummary();