Added some code to allow inverted and grayscale modes in WebView
This commit is contained in:
Anthony Restaino
parent
e5fd921965
commit
f5de4626ef
@ -10,6 +10,9 @@ import android.app.AlertDialog;
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import android.content.*;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.ColorMatrix;
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import android.graphics.ColorMatrixColorFilter;
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import android.graphics.Paint;
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import android.net.MailTo;
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import android.net.Uri;
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import android.net.http.SslError;
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@ -35,34 +38,26 @@ import java.net.*;
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public class LightningView {
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private Title mTitle;
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private WebView mWebView;
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private BrowserController mBrowserController;
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private GestureDetector mGestureDetector;
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private Activity mActivity;
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private WebSettings mSettings;
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private static int API = android.os.Build.VERSION.SDK_INT;
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private static String mHomepage;
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private static String mDefaultUserAgent;
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private static Bitmap mWebpageBitmap;
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private static SharedPreferences mPreferences;
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private static boolean mWideViewPort;
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private AdBlock mAdBlock;
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private boolean isForegroundTab;
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private IntentUtils mIntentUtils;
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private Paint mPaint = new Paint();
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private static final float[] mNegativeColorArray = { -1.0f, 0, 0, 0, 255, // red
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0, -1.0f, 0, 0, 255, // green
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0, 0, -1.0f, 0, 255, // blue
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0, 0, 0, 1.0f, 0 // alpha
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};
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@SuppressWarnings("deprecation")
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@SuppressLint("NewApi")
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@ -88,6 +83,8 @@ public class LightningView {
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mWebView.setAnimationCacheEnabled(false);
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mWebView.setDrawingCacheEnabled(true);
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mWebView.setBackgroundColor(activity.getResources().getColor(android.R.color.white));
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mWebView.setBackground(null);
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if (API > 15) {
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mWebView.getRootView().setBackground(null);
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} else {
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@ -137,12 +134,12 @@ public class LightningView {
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mSettings = mWebView.getSettings();
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initializeSettings(mWebView.getSettings(), activity);
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initializePreferences(activity);
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if (url != null) {
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if (!url.trim().isEmpty()) {
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mWebView.loadUrl(url);
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} else {
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//don't load anything, the user is looking for a blank tab
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// don't load anything, the user is looking for a blank tab
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}
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} else {
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if (mHomepage.startsWith("about:home")) {
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@ -160,87 +157,87 @@ public class LightningView {
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String home;
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home = HomepageVariables.HEAD;
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switch (mPreferences.getInt(PreferenceConstants.SEARCH, 1)) {
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case 0:
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// CUSTOM SEARCH
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home = home + "file:///android_asset/lightning.png";
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home = home + HomepageVariables.MIDDLE;
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home = home
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+ mPreferences.getString(PreferenceConstants.SEARCH_URL,
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Constants.GOOGLE_SEARCH);
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break;
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case 1:
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// GOOGLE_SEARCH;
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home = home + "file:///android_asset/google.png";
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// + "https://www.google.com/images/srpr/logo11w.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.GOOGLE_SEARCH;
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break;
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case 2:
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// ANDROID SEARCH;
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home = home + "file:///android_asset/lightning.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.ANDROID_SEARCH;
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break;
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case 3:
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// BING_SEARCH;
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home = home + "file:///android_asset/bing.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Bing_logo_%282013%29.svg/500px-Bing_logo_%282013%29.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.BING_SEARCH;
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break;
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case 4:
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// YAHOO_SEARCH;
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home = home + "file:///android_asset/yahoo.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Yahoo%21_logo.svg/799px-Yahoo%21_logo.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.YAHOO_SEARCH;
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break;
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case 5:
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// STARTPAGE_SEARCH;
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home = home + "file:///android_asset/startpage.png";
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// + "https://startpage.com/graphics/startp_logo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.STARTPAGE_SEARCH;
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break;
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case 6:
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// STARTPAGE_MOBILE
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home = home + "file:///android_asset/startpage.png";
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// + "https://startpage.com/graphics/startp_logo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.STARTPAGE_MOBILE_SEARCH;
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case 7:
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// DUCK_SEARCH;
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home = home + "file:///android_asset/duckduckgo.png";
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// +
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// "https://duckduckgo.com/assets/logo_homepage.normal.v101.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.DUCK_SEARCH;
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break;
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case 8:
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// DUCK_LITE_SEARCH;
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home = home + "file:///android_asset/duckduckgo.png";
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// +
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// "https://duckduckgo.com/assets/logo_homepage.normal.v101.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.DUCK_LITE_SEARCH;
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break;
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case 9:
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// BAIDU_SEARCH;
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home = home + "file:///android_asset/baidu.png";
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// + "http://www.baidu.com/img/bdlogo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.BAIDU_SEARCH;
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break;
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case 10:
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// YANDEX_SEARCH;
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home = home + "file:///android_asset/yandex.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Yandex.svg/600px-Yandex.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.YANDEX_SEARCH;
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break;
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case 0:
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// CUSTOM SEARCH
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home = home + "file:///android_asset/lightning.png";
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home = home + HomepageVariables.MIDDLE;
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home = home
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+ mPreferences.getString(PreferenceConstants.SEARCH_URL,
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Constants.GOOGLE_SEARCH);
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break;
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case 1:
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// GOOGLE_SEARCH;
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home = home + "file:///android_asset/google.png";
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// + "https://www.google.com/images/srpr/logo11w.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.GOOGLE_SEARCH;
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break;
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case 2:
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// ANDROID SEARCH;
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home = home + "file:///android_asset/lightning.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.ANDROID_SEARCH;
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break;
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case 3:
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// BING_SEARCH;
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home = home + "file:///android_asset/bing.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Bing_logo_%282013%29.svg/500px-Bing_logo_%282013%29.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.BING_SEARCH;
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break;
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case 4:
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// YAHOO_SEARCH;
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home = home + "file:///android_asset/yahoo.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Yahoo%21_logo.svg/799px-Yahoo%21_logo.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.YAHOO_SEARCH;
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break;
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case 5:
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// STARTPAGE_SEARCH;
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home = home + "file:///android_asset/startpage.png";
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// + "https://startpage.com/graphics/startp_logo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.STARTPAGE_SEARCH;
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break;
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case 6:
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// STARTPAGE_MOBILE
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home = home + "file:///android_asset/startpage.png";
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// + "https://startpage.com/graphics/startp_logo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.STARTPAGE_MOBILE_SEARCH;
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case 7:
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// DUCK_SEARCH;
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home = home + "file:///android_asset/duckduckgo.png";
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// +
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// "https://duckduckgo.com/assets/logo_homepage.normal.v101.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.DUCK_SEARCH;
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break;
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case 8:
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// DUCK_LITE_SEARCH;
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home = home + "file:///android_asset/duckduckgo.png";
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// +
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// "https://duckduckgo.com/assets/logo_homepage.normal.v101.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.DUCK_LITE_SEARCH;
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break;
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case 9:
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// BAIDU_SEARCH;
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home = home + "file:///android_asset/baidu.png";
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// + "http://www.baidu.com/img/bdlogo.gif";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.BAIDU_SEARCH;
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break;
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case 10:
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// YANDEX_SEARCH;
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home = home + "file:///android_asset/yandex.png";
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// +
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// "http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Yandex.svg/600px-Yandex.svg.png";
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home = home + HomepageVariables.MIDDLE;
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home = home + Constants.YANDEX_SEARCH;
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break;
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}
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@ -273,38 +270,38 @@ public class LightningView {
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.getBoolean(PreferenceConstants.LOCATION, false));
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if (API < 19) {
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switch (mPreferences.getInt(PreferenceConstants.ADOBE_FLASH_SUPPORT, 0)) {
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case 0:
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mSettings.setPluginState(PluginState.OFF);
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break;
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case 1:
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mSettings.setPluginState(PluginState.ON_DEMAND);
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break;
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case 2:
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mSettings.setPluginState(PluginState.ON);
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break;
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default:
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break;
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case 0:
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mSettings.setPluginState(PluginState.OFF);
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break;
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case 1:
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mSettings.setPluginState(PluginState.ON_DEMAND);
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break;
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case 2:
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mSettings.setPluginState(PluginState.ON);
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break;
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default:
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break;
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}
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}
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switch (mPreferences.getInt(PreferenceConstants.USER_AGENT, 1)) {
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case 1:
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if (API > 16) {
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mSettings.setUserAgentString(WebSettings.getDefaultUserAgent(context));
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} else {
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mSettings.setUserAgentString(mDefaultUserAgent);
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}
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break;
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case 2:
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mSettings.setUserAgentString(Constants.DESKTOP_USER_AGENT);
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break;
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case 3:
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mSettings.setUserAgentString(Constants.MOBILE_USER_AGENT);
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break;
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case 4:
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mSettings.setUserAgentString(mPreferences.getString(
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PreferenceConstants.USER_AGENT_STRING, mDefaultUserAgent));
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break;
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case 1:
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if (API > 16) {
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mSettings.setUserAgentString(WebSettings.getDefaultUserAgent(context));
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} else {
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mSettings.setUserAgentString(mDefaultUserAgent);
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}
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break;
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case 2:
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mSettings.setUserAgentString(Constants.DESKTOP_USER_AGENT);
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break;
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case 3:
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mSettings.setUserAgentString(Constants.MOBILE_USER_AGENT);
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break;
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case 4:
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mSettings.setUserAgentString(mPreferences.getString(
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PreferenceConstants.USER_AGENT_STRING, mDefaultUserAgent));
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break;
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}
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if (mPreferences.getBoolean(PreferenceConstants.SAVE_PASSWORDS, false)) {
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@ -337,27 +334,28 @@ public class LightningView {
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mSettings.setLoadWithOverviewMode(mPreferences.getBoolean(
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PreferenceConstants.OVERVIEW_MODE, true));
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switch (mPreferences.getInt(PreferenceConstants.TEXT_SIZE, 3)) {
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case 1:
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mSettings.setTextZoom(200);
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break;
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case 2:
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mSettings.setTextZoom(150);
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break;
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case 3:
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mSettings.setTextZoom(100);
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break;
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case 4:
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mSettings.setTextZoom(75);
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break;
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case 5:
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mSettings.setTextZoom(50);
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break;
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case 1:
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mSettings.setTextZoom(200);
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break;
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case 2:
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mSettings.setTextZoom(150);
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break;
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case 3:
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mSettings.setTextZoom(100);
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break;
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case 4:
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mSettings.setTextZoom(75);
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break;
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case 5:
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mSettings.setTextZoom(50);
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break;
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}
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}
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@SuppressWarnings("deprecation")
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@SuppressLint({ "SetJavaScriptEnabled", "NewApi" })
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public void initializeSettings(WebSettings settings, Context context) {
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this.setNormalRendering();
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if (API < 18) {
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settings.setAppCacheMaxSize(Long.MAX_VALUE);
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}
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@ -427,6 +425,33 @@ public class LightningView {
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}
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}
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public void setHardwareRendering() {
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mWebView.setLayerType(View.LAYER_TYPE_HARDWARE, mPaint);
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}
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public void setNormalRendering() {
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mWebView.setLayerType(View.LAYER_TYPE_NONE, mPaint);
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}
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public void setColorMode(int mode) {
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switch (mode) {
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case 0:
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mPaint.setColorFilter(null);
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break;
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case 1:
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ColorMatrixColorFilter filterInvert = new ColorMatrixColorFilter(
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mNegativeColorArray);
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mPaint.setColorFilter(filterInvert);
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break;
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case 2:
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ColorMatrix cm = new ColorMatrix();
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cm.setSaturation(0);
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ColorMatrixColorFilter filterGray = new ColorMatrixColorFilter(cm);
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mPaint.setColorFilter(filterGray);
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break;
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}
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}
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public synchronized void pauseTimers() {
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if (mWebView != null) {
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mWebView.pauseTimers();
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