brightness adjustment preferences have been added

data/resources/application/cs.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="Pokud je úroveň baterie větší než 50 procent"/>
 					<node name="100" value="Nikdy"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" value="Vzhled">
 					<node name="summary" value="Nastavení zobrazení textu"/>
 				</node>

data/resources/application/de.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" toBeTranslated="true" value="Appearance">
 					<node name="summary" toBeTranslated="true" value="Text displaying settings"/>
 				</node>

data/resources/application/en.xml

@@ -166,6 +166,10 @@
 					<node name="50" value="While battery level is greater than 50 percent"/>
 					<node name="100" value="Never"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen"/>
+					<node name="summaryOff" value="Disabled"/>
+				</node>
 				<node name="appearanceSettings" value="Appearance">
 					<node name="summary" value="Text displaying settings"/>
 				</node>

data/resources/application/fr.xml

@@ -170,6 +170,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" value="Apparence">
 					<node name="summary" value="Paramètres d'affichage du texte"/>
 				</node>

data/resources/application/hu.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" toBeTranslated="true" value="Appearance">
 					<node name="summary" toBeTranslated="true" value="Text displaying settings"/>
 				</node>

data/resources/application/it.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" value="Aspetto">
 					<node name="summary" value="Impostazioni di visualizzazione del testo"/>
 				</node>

data/resources/application/ru.xml

@@ -166,6 +166,10 @@
 					<node name="50" value="Пока батарея заряжена хотя бы на половину"/>
 					<node name="100" value="Всегда выключать"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Регулировка яркости экрана">
+					<node name="summaryOn" value="Движением пальца вверх/вниз по левому краю экрана"/>
+					<node name="summaryOff" value="Выключена"/>
+				</node>
 				<node name="appearanceSettings" value="Внешний вид">
 					<node name="summary" value="Настройки отображения текста"/>
 				</node>

data/resources/application/vi.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" toBeTranslated="true" value="Appearance">
 					<node name="summary" toBeTranslated="true" value="Text displaying settings"/>
 				</node>

data/resources/application/zh.xml

@@ -167,6 +167,10 @@
 					<node name="50" value="While battery level is greater than 50 percent" toBeTranslated="true"/>
 					<node name="100" value="Never" toBeTranslated="true"/>
 				</node>
+				<node name="allowScreenBrightnessAdjustment" value="Screen brightness adjustment" toBeTranslated="true">
+					<node name="summaryOn" value="By dragging finger up/down along left side of the screen" toBeTranslated="true"/>
+					<node name="summaryOff" value="Disabled" toBeTranslated="true"/>
+				</node>
 				<node name="appearanceSettings" toBeTranslated="true" value="Appearance">
 					<node name="summary" toBeTranslated="true" value="Text displaying settings"/>
 				</node>

src/org/geometerplus/android/fbreader/preferences/PreferenceActivity.java

@@ -75,6 +75,7 @@ public class PreferenceActivity extends ZLPreferenceActivity {
 		final Category lookNFeelCategory = createCategory("LookNFeel");
 
 		final FBReaderApp fbReader = (FBReaderApp)FBReaderApp.Instance();
+		final ZLAndroidApplication androidApp = ZLAndroidApplication.Instance();
 
 		final Screen appearanceScreen = lookNFeelCategory.createPreferenceScreen("appearanceSettings");
 		appearanceScreen.setSummary(appearanceScreen.Resource.getResource("summary").getValue());
@@ -113,16 +114,29 @@ public class PreferenceActivity extends ZLPreferenceActivity {
 		statusLineCategory.addOption(fbReader.FooterShowProgress, "showProgress");
 		statusLineCategory.addOption(fbReader.FooterIsSensitive, "isSensitive");
 
-		lookNFeelCategory.addOption(ZLAndroidApplication.Instance().AutoOrientationOption, "autoOrientation");
+		lookNFeelCategory.addOption(androidApp.AutoOrientationOption, "autoOrientation");
-		if (!ZLAndroidApplication.Instance().isAlwaysShowStatusBar()) {
+		if (!androidApp.isAlwaysShowStatusBar()) {
-			lookNFeelCategory.addOption(ZLAndroidApplication.Instance().ShowStatusBarOption, "showStatusBar");
+			lookNFeelCategory.addOption(androidApp.ShowStatusBarOption, "showStatusBar");
 		}
 		lookNFeelCategory.addPreference(new BatteryLevelToTurnScreenOffPreference(
 			this,
-			ZLAndroidApplication.Instance().BatteryLevelToTurnScreenOffOption,
+			androidApp.BatteryLevelToTurnScreenOffOption,
 			lookNFeelCategory.Resource,
 			"dontTurnScreenOff"
 		));
+		lookNFeelCategory.addPreference(new ZLBooleanPreference(
+			this,
+			fbReader.AllowScreenBrightnessAdjustmentOption,
+			lookNFeelCategory.Resource,
+			"allowScreenBrightnessAdjustment"
+		) {
+			public void onAccept() {
+				super.onAccept();
+				if (!isChecked()) {
+					androidApp.ScreenBrightnessLevelOption.setValue(0);
+				}
+			}
+		});
 
 		/*
 		final Screen colorProfileScreen = lookNFeelCategory.createPreferenceScreen("colorProfile");

src/org/geometerplus/fbreader/fbreader/FBReaderApp.java

@@ -33,6 +33,8 @@ import org.geometerplus.fbreader.library.Bookmark;
 import org.geometerplus.fbreader.optionsDialog.OptionsDialog;
 
 public final class FBReaderApp extends ZLApplication {
+	public final ZLBooleanOption AllowScreenBrightnessAdjustmentOption =
+		new ZLBooleanOption("LookNFeel", "AllowScreenBrightnessAdjustment", true);
 	public final ZLStringOption TextSearchPatternOption =
 		new ZLStringOption("TextSearch", "Pattern", "");
 	public final ZLStringOption BookmarkSearchPatternOption =

src/org/geometerplus/fbreader/fbreader/FBView.java

@@ -118,7 +118,7 @@ public final class FBView extends ZLTextView {
 			return true;
 		}
 
-		if (x < 20) {
+		if (myReader.AllowScreenBrightnessAdjustmentOption.getValue() && x < myContext.getWidth() / 10) {
 			myIsBrightnessAdjustmentInProgress = true;
 			myStartY = y;
 			myStartBrightness = ZLibrary.Instance().getScreenBrightness();
@@ -159,10 +159,10 @@ public final class FBView extends ZLTextView {
 
 		synchronized (this) {
 			if (myIsBrightnessAdjustmentInProgress) {
-				if (x >= 40) {
+				if (x >= myContext.getWidth() / 5) {
 					myIsBrightnessAdjustmentInProgress = false;
 				} else {
-					final int delta = (myStartBrightness + 10) * 2 * (myStartY - y) / myContext.getHeight();
+					final int delta = (myStartBrightness + 10) * (myStartY - y) / myContext.getHeight();
 					System.err.println("adjusting to level: " + (myStartBrightness + delta));
 					ZLibrary.Instance().setScreenBrightness(myStartBrightness + delta);
 					System.err.println("adjusted to level: " + ZLibrary.Instance().getScreenBrightness());
@@ -205,9 +205,7 @@ public final class FBView extends ZLTextView {
 		}
 
 		synchronized (this) {
-			if (myIsBrightnessAdjustmentInProgress) {
 			myIsBrightnessAdjustmentInProgress = false;
-			}
 			if (isScrollingActive() && myIsManualScrollingActive) {
 				setScrollingActive(false);
 				myIsManualScrollingActive = false;

src/org/geometerplus/fbreader/fbreader/ScrollingPreferences.java

@@ -31,7 +31,7 @@ public class ScrollingPreferences {
 	public final ZLBooleanOption FlickOption = new ZLBooleanOption("Scrolling", "Flick", true);
 	public final ZLBooleanOption VolumeKeysOption = new ZLBooleanOption("Scrolling", "VolumeKeys", true);
 	public final ZLBooleanOption AnimateOption = new ZLBooleanOption("Scrolling", "ShowAnimated", true);
-	public final ZLBooleanOption HorizontalOption = new ZLBooleanOption("Scrolling", "Horizontal", false);
+	public final ZLBooleanOption HorizontalOption = new ZLBooleanOption("Scrolling", "Horizontal", true);
 	public final ZLBooleanOption InvertVolumeKeysOption = new ZLBooleanOption("Scrolling", "InvertVolumeKeys", false);
 
 	private ScrollingPreferences() {

src/org/geometerplus/zlibrary/ui/android/library/ZLAndroidActivity.java

@@ -60,15 +60,22 @@ public abstract class ZLAndroidActivity extends Activity {
 		}
 	}
 
+	private void setScreenBrightnessAuto() {
+		final WindowManager.LayoutParams attrs = getWindow().getAttributes();
+		attrs.screenBrightness = -1.0f;
+		getWindow().setAttributes(attrs);
+	}
+
 	final void setScreenBrightness(int percent) {
-		if (percent < 0) {
+		if (percent < 1) {
-			percent = 0;
+			percent = 1;
 		} else if (percent > 100) {
 			percent = 100;
 		}
 		final WindowManager.LayoutParams attrs = getWindow().getAttributes();
 		attrs.screenBrightness = percent / 100.0f;
 		getWindow().setAttributes(attrs);
+		((ZLAndroidApplication)getApplication()).ScreenBrightnessLevelOption.setValue(percent);
 	}
 
 	final int getScreenBrightness() {
@@ -76,6 +83,19 @@ public abstract class ZLAndroidActivity extends Activity {
 		return (level >= 0) ? level : 50;
 	}
 
+	private void disableButtonLight() {
+		try {
+			final WindowManager.LayoutParams attrs = getWindow().getAttributes();
+			final Class<?> cls = attrs.getClass();
+			final Field fld = cls.getField("buttonBrightness");
+			if (fld != null && "float".equals(fld.getType().toString())) {
+				fld.setFloat(attrs, 0);
+			}
+		} catch (NoSuchFieldException e) {
+		} catch (IllegalAccessException e) {
+		}
+	}
+
 	@Override
 	public void onCreate(Bundle state) {
 		super.onCreate(state);
@@ -87,17 +107,7 @@ public abstract class ZLAndroidActivity extends Activity {
 		}
 
 		requestWindowFeature(Window.FEATURE_NO_TITLE);
-		try {
+		disableButtonLight();
-			final WindowManager.LayoutParams attrs = getWindow().getAttributes();
-			final Class<?> cls = attrs.getClass();
-			final Field fld = cls.getField("buttonBrightness");
-			if (fld != null && "float".equals(fld.getType().toString())) {
-				fld.setFloat(attrs, 0);
-			}
-		} catch (NoSuchFieldException e) {
-		} catch (IllegalAccessException e) {
-		}
-		//getWindow().getAttributes().buttonBrightness = 0;
 		setContentView(R.layout.main);
 		setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
 
@@ -199,6 +209,13 @@ public abstract class ZLAndroidActivity extends Activity {
 			ZLApplication.Instance().getBatteryLevel()
 		);
 		myStartTimer = true;
+		final int brightnessLevel =
+			((ZLAndroidApplication)getApplication()).ScreenBrightnessLevelOption.getValue();
+		if (brightnessLevel != 0) {
+			setScreenBrightness(brightnessLevel);
+		} else {
+			setScreenBrightnessAuto();
+		}
 
 		registerReceiver(myBatteryInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
 	}

src/org/geometerplus/zlibrary/ui/android/library/ZLAndroidApplication.java

@@ -38,6 +38,7 @@ public class ZLAndroidApplication extends Application {
 	public final ZLBooleanOption AutoOrientationOption = new ZLBooleanOption("LookNFeel", "AutoOrientation", false);
 	public final ZLBooleanOption ShowStatusBarOption = new ZLBooleanOption("LookNFeel", "ShowStatusBar", false);
 	public final ZLIntegerRangeOption BatteryLevelToTurnScreenOffOption = new ZLIntegerRangeOption("LookNFeel", "BatteryLevelToTurnScreenOff", 0, 100, 50);
+	public final ZLIntegerRangeOption ScreenBrightnessLevelOption = new ZLIntegerRangeOption("LookNFeel", "ScreenBrightnessLevel", 0, 100, 0);
 
 	public static ZLAndroidApplication Instance() {
 		return ourApplication;