Control panels layer has been rewritten

git-svn-id: https://only.mawhrin.net/repos/FBReaderJ/trunk@1600 6a642e6f-84f6-412e-ac94-c4a38d5a04b0

src/org/geometerplus/android/fbreader/ControlButtonPanel.java

@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2010 Geometer Plus <contact@geometerplus.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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+package org.geometerplus.android.fbreader;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.RelativeLayout;
+
+import org.geometerplus.zlibrary.core.application.ZLApplication;
+
+class ControlButtonPanel implements ZLApplication.ButtonPanel {
+	private boolean myVisible;
+	protected ControlPanel myControlPanel;
+
+	private static LinkedList<ControlButtonPanel> ourPanels = new LinkedList<ControlButtonPanel>();
+
+
+	public final void hide() {
+		hide(false);
+	}
+
+	public void updateStates() {
+		if (myControlPanel != null) {
+			myControlPanel.updateStates();
+		}
+	}
+
+	public final void register() {
+		ZLApplication.Instance().registerButtonPanel(this);
+		ourPanels.add(this);
+	}
+
+	public final boolean hasControlPanel() {
+		return myControlPanel != null;
+	}
+
+	public final void setControlPanel(ControlPanel panel, RelativeLayout root, boolean fillWidth) {
+		myControlPanel = panel;
+		RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(
+			fillWidth ? ViewGroup.LayoutParams.FILL_PARENT : ViewGroup.LayoutParams.WRAP_CONTENT,
+			RelativeLayout.LayoutParams.WRAP_CONTENT
+		);
+		p.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
+		p.addRule(RelativeLayout.CENTER_HORIZONTAL);
+		myControlPanel.setVisibility(View.GONE);
+		root.addView(myControlPanel, p);
+	}
+
+	private final void removeControlPanel() {
+		if (myControlPanel != null) {
+			ViewGroup root = (ViewGroup) myControlPanel.getParent();
+			myControlPanel.hide(false);
+			root.removeView(myControlPanel);
+			myControlPanel = null;
+		}
+	}
+
+	public static void removeControlPanels() {
+		for (ControlButtonPanel panel: ourPanels) {
+			panel.removeControlPanel();
+		}
+	}
+
+	public static void restoreVisibilities() {
+		for (ControlButtonPanel panel: ourPanels) {
+			panel.setVisibility(panel.myVisible);
+		}
+	}
+
+	public static void saveVisibilities() {
+		for (ControlButtonPanel panel: ourPanels) {
+			panel.myVisible = panel.getVisibility();
+		}
+	}
+
+	public static void restoreVisibilitiesFrom(List<Boolean> buffer) {
+		Iterator<Boolean> it = buffer.iterator();
+		for (ControlButtonPanel panel: ourPanels) {
+			panel.setVisibility(it.next());
+		}
+	}
+
+	public static void saveVisibilitiesTo(List<Boolean> buffer) {
+		buffer.clear();
+		for (ControlButtonPanel panel: ourPanels) {
+			buffer.add(panel.getVisibility());
+		}
+	}
+
+	public static void hideAllPendingNotify() {
+		for (ControlButtonPanel panel: ourPanels) {
+			if (panel.myControlPanel != null && panel.getVisibility()) {
+				panel.myControlPanel.hide(false);
+			}
+		}
+	}
+
+
+	public final boolean getVisibility() {
+		if (myControlPanel != null) {
+			return myControlPanel.getVisibility() == View.VISIBLE;
+		}
+		return false;
+	}
+
+	public final void setVisibility(boolean visible) {
+		if (visible) {
+			show(false);
+		} else {
+			hide(false);
+		}
+	}
+
+	private void hideOthers() {
+		for (ControlButtonPanel panel: ourPanels) {
+			if (panel != this) {
+				panel.hide(false);
+			}
+		}
+	}
+
+	public final void show(boolean animate) {
+		if (myControlPanel != null && !getVisibility()) {
+			myVisible = true;
+			hideOthers();
+			onShow();
+			myControlPanel.show(animate);
+		}
+	}
+
+	public final void hide(boolean animate) {
+		myVisible = false;
+		if (myControlPanel != null && getVisibility()) {
+			onHide();
+			myControlPanel.hide(animate);
+		}
+	}
+
+
+	// callback methods
+	public void onShow() {}
+	public void onHide() {}
+}

src/org/geometerplus/android/fbreader/ControlPanel.java

@@ -57,7 +57,6 @@ public class ControlPanel extends LinearLayout implements View.OnClickListener {
 		final LayoutInflater inflater =
 			(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 		inflater.inflate(R.layout.control_panel, this, true);
-
 		myPlateLayout = (LinearLayout)findViewById(R.id.tools_plate);
 	}
 
@@ -108,11 +107,7 @@ public class ControlPanel extends LinearLayout implements View.OnClickListener {
 		}
 	};
 
-	public void preparePanel() {
-	}
-
 	public void show(boolean animate) {
-		preparePanel();
 		myVisibilityHandler.sendEmptyMessage(animate ? VisibilityAction.SHOW_ANIMATED : VisibilityAction.SHOW_INSTANTLY);
 	}
 

src/org/geometerplus/android/fbreader/FBReader.java

@@ -19,13 +19,13 @@
 
 package org.geometerplus.android.fbreader;
 
+import java.util.LinkedList;
+
 import android.app.SearchManager;
-import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.RelativeLayout;
@@ -49,69 +49,36 @@ public final class FBReader extends ZLAndroidActivity {
 
 	private int myFullScreenFlag;
 
-	private static class ControlButtonPanel implements ZLApplication.ButtonPanel {
-		boolean Visible;
-		ControlPanel ControlPanel;
+	private static class NavigationButtonPanel extends ControlButtonPanel {
+		public volatile boolean NavigateDragging;
+		public ZLTextPosition StartPosition;
 
-		public void hide() {
-			Visible = false;
-			if (ControlPanel != null) {
-				ControlPanel.hide(false);
+		@Override
+		public void onShow() {
+			if (FBReader.Instance != null) {
+				FBReader.Instance.setupNavigation(myControlPanel);
 			}
 		}
 
+		@Override
 		public void updateStates() {
-			if (ControlPanel != null) {
-				ControlPanel.updateStates();
+			super.updateStates();
+			if (!NavigateDragging && FBReader.Instance != null) {
+				FBReader.Instance.setupNavigation(myControlPanel);
 			}
 		}
-
-		public void register() {
-			ZLApplication.Instance().registerButtonPanel(this);
-		}
-
-		public void registerControlPanel(RelativeLayout root, boolean fillWidth) {
-			RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(
-				fillWidth ? ViewGroup.LayoutParams.FILL_PARENT : ViewGroup.LayoutParams.WRAP_CONTENT,
-				RelativeLayout.LayoutParams.WRAP_CONTENT
-			);
-			p.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
-			p.addRule(RelativeLayout.CENTER_HORIZONTAL);
-			root.addView(ControlPanel, p);
-			ControlPanel.requestLayout();
-		}
-
-		public void destroyControlPanel(RelativeLayout root) {
-			if (ControlPanel != null) {
-				ControlPanel.hide(false);
-				root.removeView(ControlPanel);
-				ControlPanel = null;
-			}
-		}
-
-		public boolean getVisibility() {
-			if (ControlPanel != null) {
-				return ControlPanel.getVisibility() == View.VISIBLE;
-			}
-			return false;
-		}
-
-		public void setVisibility(boolean visibility) {
-			if (ControlPanel != null) {
-				ControlPanel.setVisibility(visibility ? View.VISIBLE : View.GONE);
-			}
-		}
-
-		public void restoreVisibility() {
-			setVisibility(Visible);
-		}
-
-		public void saveVisibility() {
-			Visible = getVisibility();
-		}
 	}
-	private static ControlButtonPanel myTextSearchPanel;
-	private static ControlButtonPanel myNavigatePanel;
+
+	private static class TextSearchButtonPanel extends ControlButtonPanel {
+		@Override
+		public void onHide() {
+			final ZLTextView textView = (ZLTextView) ZLApplication.Instance().getCurrentView();
+			textView.clearFindResults();
+		}
+	}
+
+	private static TextSearchButtonPanel myTextSearchPanel;
+	private static NavigationButtonPanel myNavigatePanel;
 
 	@Override
 	public void onCreate(Bundle icicle) {
@@ -129,11 +96,11 @@ public final class FBReader extends ZLAndroidActivity {
 			WindowManager.LayoutParams.FLAG_FULLSCREEN, myFullScreenFlag
 		);
 		if (myTextSearchPanel == null) {
-			myTextSearchPanel = new ControlButtonPanel();
+			myTextSearchPanel = new TextSearchButtonPanel();
 			myTextSearchPanel.register();
 		}
 		if (myNavigatePanel == null) {
-			myNavigatePanel = new ControlButtonPanel();
+			myNavigatePanel = new NavigationButtonPanel();
 			myNavigatePanel.register();
 		}
 	}
@@ -151,19 +118,21 @@ public final class FBReader extends ZLAndroidActivity {
 		}
 
 		final RelativeLayout root = (RelativeLayout)FBReader.this.findViewById(R.id.root_view);
-		if (myTextSearchPanel.ControlPanel == null) {
-			myTextSearchPanel.ControlPanel = new ControlPanel(this);
+		if (!myTextSearchPanel.hasControlPanel()) {
+			final ControlPanel panel = new ControlPanel(this);
 
-			myTextSearchPanel.ControlPanel.addButton(ActionCode.FIND_PREVIOUS, false, R.drawable.text_search_previous);
-			myTextSearchPanel.ControlPanel.addButton(ActionCode.CLEAR_FIND_RESULTS, true, R.drawable.text_search_close);
-			myTextSearchPanel.ControlPanel.addButton(ActionCode.FIND_NEXT, false, R.drawable.text_search_next);
+			panel.addButton(ActionCode.FIND_PREVIOUS, false, R.drawable.text_search_previous);
+			panel.addButton(ActionCode.CLEAR_FIND_RESULTS, true, R.drawable.text_search_close);
+			panel.addButton(ActionCode.FIND_NEXT, false, R.drawable.text_search_next);
 
-			myTextSearchPanel.registerControlPanel(root, false);
+			myTextSearchPanel.setControlPanel(panel, root, false);
 		}
-		if (myNavigatePanel.ControlPanel == null) {
-			myNavigatePanel.ControlPanel = new NavigationControlPanel(this);
-			createNavigation();
-			myNavigatePanel.registerControlPanel(root, true);
+		if (!myNavigatePanel.hasControlPanel()) {
+			final ControlPanel panel = new ControlPanel(this);
+			final View layout = getLayoutInflater().inflate(R.layout.navigate, panel, false);
+			createNavigation(layout);
+			panel.setExtension(layout);
+			myNavigatePanel.setControlPanel(panel, root, true);
 		}
 
 		findViewById(R.id.main_view).setOnLongClickListener(new View.OnLongClickListener() {
@@ -182,8 +151,7 @@ public final class FBReader extends ZLAndroidActivity {
 	@Override
 	public void onResume() {
 		super.onResume();
-		myTextSearchPanel.restoreVisibility();
-		myNavigatePanel.restoreVisibility();
+		ControlButtonPanel.restoreVisibilities();
 		if (ZLAndroidApplication.Instance().DontTurnScreenOffOption.getValue()) {
 			myWakeLock =
 				((PowerManager)getSystemService(POWER_SERVICE)).
@@ -199,27 +167,21 @@ public final class FBReader extends ZLAndroidActivity {
 		if (myWakeLock != null) {
 			myWakeLock.release();
 		}
-		myTextSearchPanel.saveVisibility();
-		myNavigatePanel.saveVisibility();
+		ControlButtonPanel.saveVisibilities();
 		super.onPause();
 	}
 
 	@Override
 	public void onStop() {
-		final RelativeLayout root = (RelativeLayout)FBReader.this.findViewById(R.id.root_view);
-		myTextSearchPanel.destroyControlPanel(root);
-		myNavigatePanel.destroyControlPanel(root);
+		ControlButtonPanel.removeControlPanels();
 		super.onStop();
 	}
 
 	void showTextSearchControls(boolean show) {
-		if (myTextSearchPanel.ControlPanel != null) {
-			if (show) {
-				ZLApplication.Instance().hideAllPanels();
-				myTextSearchPanel.ControlPanel.show(true);
-			} else {
-				myTextSearchPanel.ControlPanel.hide(false);
-			}
+		if (show) {
+			myTextSearchPanel.show(true);
+		} else {
+			myTextSearchPanel.hide(false);
 		}
 	}
 
@@ -231,14 +193,13 @@ public final class FBReader extends ZLAndroidActivity {
 
 	@Override
 	public boolean onSearchRequested() {
-		final boolean textSearchVisible = myTextSearchPanel.getVisibility();
-		final boolean navigateVisible = myNavigatePanel.getVisibility();
-		ZLApplication.Instance().hideAllPanels();
+		final LinkedList<Boolean> visibilities = new LinkedList<Boolean>();
+		ControlButtonPanel.saveVisibilitiesTo(visibilities);
+		ControlButtonPanel.hideAllPendingNotify();
 		final SearchManager manager = (SearchManager)getSystemService(SEARCH_SERVICE);
 		manager.setOnCancelListener(new SearchManager.OnCancelListener() {
 			public void onCancel() {
-				myTextSearchPanel.setVisibility(textSearchVisible);
-				myNavigatePanel.setVisibility(navigateVisible);
+				ControlButtonPanel.restoreVisibilitiesFrom(visibilities);
 				manager.setOnCancelListener(null);
 			}
 		});
@@ -249,41 +210,14 @@ public final class FBReader extends ZLAndroidActivity {
 	}
 
 
-	private static ZLTextPosition myPosition;
-
 	public void navigate() {
-		if (myNavigatePanel.ControlPanel != null) {
-			final ZLTextView textView = (ZLTextView) ZLApplication.Instance().getCurrentView();
-			if (myTextSearchPanel.ControlPanel.getVisibility() == View.VISIBLE) {
-				textView.clearFindResults();
-			}
-			myPosition = new ZLTextFixedPosition(textView.getStartCursor());
-			ZLApplication.Instance().hideAllPanels();
-			setupNavigation();
-			myNavigatePanel.ControlPanel.show(true);
-		}
+		final ZLTextView textView = (ZLTextView) ZLApplication.Instance().getCurrentView();
+		myNavigatePanel.NavigateDragging = false;
+		myNavigatePanel.StartPosition = new ZLTextFixedPosition(textView.getStartCursor());
+		myNavigatePanel.show(true);
 	}
 
 
-	private boolean myNavigateDragging;
-	private class NavigationControlPanel extends ControlPanel {
-		public NavigationControlPanel(Context context) {
-			super(context);
-		}
-
-		@Override
-		public void preparePanel() {
-			setupNavigation();
-		}
-
-		@Override
-		public void updateStates() {
-			super.updateStates();
-			if (!myNavigateDragging) {
-				setupNavigation();
-			}
-		}
-	}
 
 	public final boolean canNavigate() {
 		final org.geometerplus.fbreader.fbreader.FBReader fbreader =
@@ -296,10 +230,7 @@ public final class FBReader extends ZLAndroidActivity {
 				&& fbreader.Model.Book != null;
 	}
 
-	private final void createNavigation() {
-		final ControlPanel panel = myNavigatePanel.ControlPanel;
-
-		final View layout = getLayoutInflater().inflate(R.layout.navigate, panel, false);
+	private final void createNavigation(View layout) {
 		final SeekBar slider = (SeekBar) layout.findViewById(R.id.book_position_slider);
 		final TextView text = (TextView) layout.findViewById(R.id.book_position_text);
 
@@ -318,11 +249,11 @@ public final class FBReader extends ZLAndroidActivity {
 			}
 
 			public void onStopTrackingTouch(SeekBar seekBar) {
-				myNavigateDragging = false;
+				myNavigatePanel.NavigateDragging = false;
 			}
 
 			public void onStartTrackingTouch(SeekBar seekBar) {
-				myNavigateDragging = true;
+				myNavigatePanel.NavigateDragging = true;
 			}
 
 			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
@@ -339,11 +270,12 @@ public final class FBReader extends ZLAndroidActivity {
 		final Button btnCancel = (Button) layout.findViewById(android.R.id.button3);
 		View.OnClickListener listener = new View.OnClickListener() {
 			public void onClick(View v) {
-				if (v == btnCancel && myPosition != null) {
-					((ZLTextView) ZLApplication.Instance().getCurrentView()).gotoPosition(myPosition);
+				final ZLTextPosition position = myNavigatePanel.StartPosition;
+				myNavigatePanel.StartPosition = null;
+				if (v == btnCancel && position != null) {
+					((ZLTextView) ZLApplication.Instance().getCurrentView()).gotoPosition(position);
 				}
-				myPosition = null;
-				panel.hide(true);
+				myNavigatePanel.hide(true);
 			}
 		};
 		btnOk.setOnClickListener(listener);
@@ -351,13 +283,9 @@ public final class FBReader extends ZLAndroidActivity {
 		final ZLResource buttonResource = ZLResource.resource("dialog").getResource("button");
 		btnOk.setText(buttonResource.getResource("ok").getValue());
 		btnCancel.setText(buttonResource.getResource("cancel").getValue());
-
-		panel.setExtension(layout);
 	}
 
-	private final void setupNavigation() {
-		final ControlPanel panel = myNavigatePanel.ControlPanel;
-
+	private final void setupNavigation(ControlPanel panel) {
 		final SeekBar slider = (SeekBar) panel.findViewById(R.id.book_position_slider);
 		final TextView text = (TextView) panel.findViewById(R.id.book_position_text);
 

src/org/geometerplus/android/fbreader/SearchActivity.java

@@ -35,6 +35,9 @@ abstract class SearchActivity extends Activity {
 
 		Thread.setDefaultUncaughtExceptionHandler(new org.geometerplus.zlibrary.ui.android.library.UncaughtExceptionHandler(this));
 
+		final SearchManager manager = (SearchManager)getSystemService(SEARCH_SERVICE);
+		manager.setOnCancelListener(null);
+
 		final Intent intent = getIntent();
 		if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
 	   		final String pattern = intent.getStringExtra(SearchManager.QUERY);