Index: libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java
diff --git a/libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java b/libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java
deleted file mode 100644
index 73d88b377fa1b9f16ce3ed49441b1fc46231fe94..0000000000000000000000000000000000000000
--- a/libadblockplus-android-webview/src/org/adblockplus/libadblockplus/android/webview/AdblockWebView.java
+++ /dev/null
@@ -1,1441 +0,0 @@
-/*
- * This file is part of Adblock Plus ,
- * Copyright (C) 2006-present eyeo GmbH
- *
- * Adblock Plus is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * Adblock Plus 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 Adblock Plus. If not, see .
- */
-
-package org.adblockplus.libadblockplus.android.webview;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.net.http.SslError;
-import android.os.Build;
-import android.os.Handler;
-import android.os.Message;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.KeyEvent;
-import android.view.View;
-import android.webkit.ConsoleMessage;
-import android.webkit.GeolocationPermissions;
-import android.webkit.HttpAuthHandler;
-import android.webkit.JavascriptInterface;
-import android.webkit.JsPromptResult;
-import android.webkit.JsResult;
-import android.webkit.SslErrorHandler;
-import android.webkit.ValueCallback;
-import android.webkit.WebChromeClient;
-import android.webkit.WebResourceRequest; // makes android min version to be 21
-import android.webkit.WebResourceResponse;
-import android.webkit.WebStorage;
-import android.webkit.WebView;
-import android.webkit.WebViewClient;
-
-import org.adblockplus.libadblockplus.FilterEngine;
-import org.adblockplus.libadblockplus.Subscription;
-import org.adblockplus.libadblockplus.android.AdblockEngine;
-import org.adblockplus.libadblockplus.android.AdblockEngineProvider;
-import org.adblockplus.libadblockplus.android.SingleInstanceEngineProvider;
-import org.adblockplus.libadblockplus.android.Utils;
-
-import java.io.IOException;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.regex.Pattern;
-
-/**
- * WebView with ad blocking
- */
-public class AdblockWebView extends WebView
-{
- private static final String TAG = Utils.getTag(AdblockWebView.class);
-
- /**
- * Default (in some conditions) start redraw delay after DOM modified with injected JS (millis)
- */
- public static final int ALLOW_DRAW_DELAY = 200;
- /*
- The value could be different for devices and completely unclear why we need it and
- how to measure actual value
- */
-
- protected static final String HEADER_REFERRER = "Referer";
- protected static final String HEADER_REQUESTED_WITH = "X-Requested-With";
- protected static final String HEADER_REQUESTED_WITH_XMLHTTPREQUEST = "XMLHttpRequest";
-
- private static final String BRIDGE_TOKEN = "{{BRIDGE}}";
- private static final String DEBUG_TOKEN = "{{DEBUG}}";
- private static final String HIDE_TOKEN = "{{HIDE}}";
- private static final String BRIDGE = "jsBridge";
- private static final String[] EMPTY_ARRAY = {};
- private static final String EMPTY_ELEMHIDE_ARRAY_STRING = "[]";
-
- private static final Pattern RE_JS = Pattern.compile("\\.js$", Pattern.CASE_INSENSITIVE);
- private static final Pattern RE_CSS = Pattern.compile("\\.css$", Pattern.CASE_INSENSITIVE);
- private static final Pattern RE_IMAGE = Pattern.compile("\\.(?:gif|png|jpe?g|bmp|ico)$", Pattern.CASE_INSENSITIVE);
- private static final Pattern RE_FONT = Pattern.compile("\\.(?:ttf|woff)$", Pattern.CASE_INSENSITIVE);
- private static final Pattern RE_HTML = Pattern.compile("\\.html?$", Pattern.CASE_INSENSITIVE);
-
- private volatile boolean addDomListener = true;
- private boolean adblockEnabled = true;
- private boolean debugMode;
- private AdblockEngineProvider provider;
- private Integer loadError;
- private int allowDrawDelay = ALLOW_DRAW_DELAY;
- private WebChromeClient extWebChromeClient;
- private WebViewClient extWebViewClient;
- private WebViewClient intWebViewClient;
- private Map url2Referrer = Collections.synchronizedMap(new HashMap());
- private String url;
- private String injectJs;
- private CountDownLatch elemHideLatch;
- private String elemHideSelectorsString;
- private Object elemHideThreadLockObject = new Object();
- private ElemHideThread elemHideThread;
- private boolean loading;
- private volatile boolean elementsHidden = false;
- private final Handler handler = new Handler();
-
- // used to prevent user see flickering for elements to hide
- // for some reason it's rendered even if element is hidden on 'dom ready' event
- private volatile boolean allowDraw = true;
-
- public AdblockWebView(Context context)
- {
- super(context);
- initAbp();
- }
-
- public AdblockWebView(Context context, AttributeSet attrs)
- {
- super(context, attrs);
- initAbp();
- }
-
- public AdblockWebView(Context context, AttributeSet attrs, int defStyle)
- {
- super(context, attrs, defStyle);
- initAbp();
- }
-
- /**
- * Warning: do not rename (used in injected JS by method name)
- * @param value set if one need to set DOM listener
- */
- @JavascriptInterface
- public void setAddDomListener(boolean value)
- {
- d("addDomListener=" + value);
- this.addDomListener = value;
- }
-
- @JavascriptInterface
- public boolean getAddDomListener()
- {
- return addDomListener;
- }
-
- public boolean isAdblockEnabled()
- {
- return adblockEnabled;
- }
-
- private void applyAdblockEnabled()
- {
- super.setWebViewClient(adblockEnabled ? intWebViewClient : extWebViewClient);
- super.setWebChromeClient(adblockEnabled ? intWebChromeClient : extWebChromeClient);
- }
-
- public void setAdblockEnabled(boolean adblockEnabled)
- {
- this.adblockEnabled = adblockEnabled;
- applyAdblockEnabled();
- }
-
- @Override
- public void setWebChromeClient(WebChromeClient client)
- {
- extWebChromeClient = client;
- applyAdblockEnabled();
- }
-
- public boolean isDebugMode()
- {
- return debugMode;
- }
-
- /**
- * Set to true to see debug log output int AdblockWebView and JS console
- * Should be set before first URL loading if using internal AdblockEngineProvider
- * @param debugMode is debug mode
- */
- public void setDebugMode(boolean debugMode)
- {
- this.debugMode = debugMode;
- }
-
- private void d(String message)
- {
- if (debugMode)
- {
- Log.d(TAG, message);
- }
- }
-
- private void w(String message)
- {
- if (debugMode)
- {
- Log.w(TAG, message);
- }
- }
-
- private void e(String message, Throwable t)
- {
- Log.e(TAG, message, t);
- }
-
- private void e(String message)
- {
- Log.e(TAG, message);
- }
-
- private String readScriptFile(String filename) throws IOException
- {
- return Utils
- .readAssetAsString(getContext(), filename)
- .replace(BRIDGE_TOKEN, BRIDGE)
- .replace(DEBUG_TOKEN, (debugMode ? "" : "//"));
- }
-
- private void runScript(String script)
- {
- d("runScript started");
- evaluateJavascript(script, null);
- d("runScript finished");
- }
-
- public void setProvider(final AdblockEngineProvider provider)
- {
- if (this.provider != null && provider != null && this.provider == provider)
- {
- return;
- }
-
- final Runnable setRunnable = new Runnable()
- {
- @Override
- public void run()
- {
- AdblockWebView.this.provider = provider;
- if (AdblockWebView.this.provider != null)
- {
- AdblockWebView.this.provider.retain(true); // asynchronously
- }
- }
- };
-
- if (this.provider != null)
- {
- // as adblockEngine can be busy with elemhide thread we need to use callback
- this.dispose(setRunnable);
- }
- else
- {
- setRunnable.run();
- }
- }
-
- private WebChromeClient intWebChromeClient = new WebChromeClient()
- {
- @Override
- public void onReceivedTitle(WebView view, String title)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onReceivedTitle(view, title);
- }
- }
-
- @Override
- public void onReceivedIcon(WebView view, Bitmap icon)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onReceivedIcon(view, icon);
- }
- }
-
- @Override
- public void onReceivedTouchIconUrl(WebView view, String url, boolean precomposed)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onReceivedTouchIconUrl(view, url, precomposed);
- }
- }
-
- @Override
- public void onShowCustomView(View view, CustomViewCallback callback)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onShowCustomView(view, callback);
- }
- }
-
- @Override
- public void onShowCustomView(View view, int requestedOrientation, CustomViewCallback callback)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onShowCustomView(view, requestedOrientation, callback);
- }
- }
-
- @Override
- public void onHideCustomView()
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onHideCustomView();
- }
- }
-
- @Override
- public boolean onCreateWindow(WebView view, boolean isDialog, boolean isUserGesture,
- Message resultMsg)
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onCreateWindow(view, isDialog, isUserGesture, resultMsg);
- }
- else
- {
- return super.onCreateWindow(view, isDialog, isUserGesture, resultMsg);
- }
- }
-
- @Override
- public void onRequestFocus(WebView view)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onRequestFocus(view);
- }
- }
-
- @Override
- public void onCloseWindow(WebView window)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onCloseWindow(window);
- }
- }
-
- @Override
- public boolean onJsAlert(WebView view, String url, String message, JsResult result)
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onJsAlert(view, url, message, result);
- }
- else
- {
- return super.onJsAlert(view, url, message, result);
- }
- }
-
- @Override
- public boolean onJsConfirm(WebView view, String url, String message, JsResult result)
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onJsConfirm(view, url, message, result);
- }
- else
- {
- return super.onJsConfirm(view, url, message, result);
- }
- }
-
- @Override
- public boolean onJsPrompt(WebView view, String url, String message, String defaultValue,
- JsPromptResult result)
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onJsPrompt(view, url, message, defaultValue, result);
- }
- else
- {
- return super.onJsPrompt(view, url, message, defaultValue, result);
- }
- }
-
- @Override
- public boolean onJsBeforeUnload(WebView view, String url, String message, JsResult result)
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onJsBeforeUnload(view, url, message, result);
- }
- else
- {
- return super.onJsBeforeUnload(view, url, message, result);
- }
- }
-
- @Override
- public void onExceededDatabaseQuota(String url, String databaseIdentifier, long quota,
- long estimatedDatabaseSize, long totalQuota,
- WebStorage.QuotaUpdater quotaUpdater)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onExceededDatabaseQuota(url, databaseIdentifier, quota,
- estimatedDatabaseSize, totalQuota, quotaUpdater);
- }
- else
- {
- super.onExceededDatabaseQuota(url, databaseIdentifier, quota,
- estimatedDatabaseSize, totalQuota, quotaUpdater);
- }
- }
-
- @Override
- public void onReachedMaxAppCacheSize(long requiredStorage, long quota,
- WebStorage.QuotaUpdater quotaUpdater)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onReachedMaxAppCacheSize(requiredStorage, quota, quotaUpdater);
- }
- else
- {
- super.onReachedMaxAppCacheSize(requiredStorage, quota, quotaUpdater);
- }
- }
-
- @Override
- public void onGeolocationPermissionsShowPrompt(String origin,
- GeolocationPermissions.Callback callback)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onGeolocationPermissionsShowPrompt(origin, callback);
- }
- else
- {
- super.onGeolocationPermissionsShowPrompt(origin, callback);
- }
- }
-
- @Override
- public void onGeolocationPermissionsHidePrompt()
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onGeolocationPermissionsHidePrompt();
- }
- else
- {
- super.onGeolocationPermissionsHidePrompt();
- }
- }
-
- @Override
- public boolean onJsTimeout()
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onJsTimeout();
- }
- else
- {
- return super.onJsTimeout();
- }
- }
-
- @Override
- public void onConsoleMessage(String message, int lineNumber, String sourceID)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onConsoleMessage(message, lineNumber, sourceID);
- }
- else
- {
- super.onConsoleMessage(message, lineNumber, sourceID);
- }
- }
-
- @Override
- public boolean onConsoleMessage(ConsoleMessage consoleMessage)
- {
- d("JS: level=" + consoleMessage.messageLevel()
- + ", message=\"" + consoleMessage.message() + "\""
- + ", sourceId=\"" + consoleMessage.sourceId() + "\""
- + ", line=" + consoleMessage.lineNumber());
-
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.onConsoleMessage(consoleMessage);
- }
- else
- {
- return super.onConsoleMessage(consoleMessage);
- }
- }
-
- @Override
- public Bitmap getDefaultVideoPoster()
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.getDefaultVideoPoster();
- }
- else
- {
- return super.getDefaultVideoPoster();
- }
- }
-
- @Override
- public View getVideoLoadingProgressView()
- {
- if (extWebChromeClient != null)
- {
- return extWebChromeClient.getVideoLoadingProgressView();
- }
- else
- {
- return super.getVideoLoadingProgressView();
- }
- }
-
- @Override
- public void getVisitedHistory(ValueCallback callback)
- {
- if (extWebChromeClient != null)
- {
- extWebChromeClient.getVisitedHistory(callback);
- }
- else
- {
- super.getVisitedHistory(callback);
- }
- }
-
- @Override
- public void onProgressChanged(WebView view, int newProgress)
- {
- d("Loading progress=" + newProgress + "%");
-
- // addDomListener is changed to 'false' in `setAddDomListener` invoked from injected JS
- if (getAddDomListener() && loadError == null && injectJs != null)
- {
- d("Injecting script");
- runScript(injectJs);
-
- if (allowDraw && loading)
- {
- startPreventDrawing();
- }
- }
-
- // workaround for the issue: https://issues.adblockplus.org/ticket/5303
- if (newProgress == 100 && !allowDraw)
- {
- w("Workaround for the issue #5303");
- stopPreventDrawing();
- }
-
- if (extWebChromeClient != null)
- {
- extWebChromeClient.onProgressChanged(view, newProgress);
- }
- }
- };
-
- public int getAllowDrawDelay()
- {
- return allowDrawDelay;
- }
-
- /**
- * Set start redraw delay after DOM modified with injected JS
- * (used to prevent flickering after 'DOM ready')
- * @param allowDrawDelay delay (in millis)
- */
- public void setAllowDrawDelay(int allowDrawDelay)
- {
- if (allowDrawDelay < 0)
- {
- throw new IllegalArgumentException("Negative value is not allowed");
- }
-
- this.allowDrawDelay = allowDrawDelay;
- }
-
- @Override
- public void setWebViewClient(WebViewClient client)
- {
- extWebViewClient = client;
- applyAdblockEnabled();
- }
-
- private void clearReferrers()
- {
- d("Clearing referrers");
- url2Referrer.clear();
- }
-
- /**
- * WebViewClient for API 21 and newer
- * (has Referrer since it overrides `shouldInterceptRequest(..., request)` with referrer)
- */
- private class AdblockWebViewClient extends WebViewClient
- {
- @Override
- public boolean shouldOverrideUrlLoading(WebView view, String url)
- {
- if (extWebViewClient != null)
- {
- return extWebViewClient.shouldOverrideUrlLoading(view, url);
- }
- else
- {
- return super.shouldOverrideUrlLoading(view, url);
- }
- }
-
- @Override
- public void onPageStarted(WebView view, String url, Bitmap favicon)
- {
- if (loading)
- {
- stopAbpLoading();
- }
-
- startAbpLoading(url);
-
- if (extWebViewClient != null)
- {
- extWebViewClient.onPageStarted(view, url, favicon);
- }
- else
- {
- super.onPageStarted(view, url, favicon);
- }
- }
-
- @Override
- public void onPageFinished(WebView view, String url)
- {
- loading = false;
- if (extWebViewClient != null)
- {
- extWebViewClient.onPageFinished(view, url);
- }
- else
- {
- super.onPageFinished(view, url);
- }
- }
-
- @Override
- public void onLoadResource(WebView view, String url)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onLoadResource(view, url);
- }
- else
- {
- super.onLoadResource(view, url);
- }
- }
-
- @Override
- public void onTooManyRedirects(WebView view, Message cancelMsg, Message continueMsg)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onTooManyRedirects(view, cancelMsg, continueMsg);
- }
- else
- {
- super.onTooManyRedirects(view, cancelMsg, continueMsg);
- }
- }
-
- @Override
- public void onReceivedError(WebView view, int errorCode, String description, String failingUrl)
- {
- e("Load error:" +
- " code=" + errorCode +
- " with description=" + description +
- " for url=" + failingUrl);
- loadError = errorCode;
-
- stopAbpLoading();
-
- if (extWebViewClient != null)
- {
- extWebViewClient.onReceivedError(view, errorCode, description, failingUrl);
- }
- else
- {
- super.onReceivedError(view, errorCode, description, failingUrl);
- }
- }
-
- @Override
- public void onFormResubmission(WebView view, Message dontResend, Message resend)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onFormResubmission(view, dontResend, resend);
- }
- else
- {
- super.onFormResubmission(view, dontResend, resend);
- }
- }
-
- @Override
- public void doUpdateVisitedHistory(WebView view, String url, boolean isReload)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.doUpdateVisitedHistory(view, url, isReload);
- }
- else
- {
- super.doUpdateVisitedHistory(view, url, isReload);
- }
- }
-
- @Override
- public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onReceivedSslError(view, handler, error);
- }
- else
- {
- super.onReceivedSslError(view, handler, error);
- }
- }
-
- @Override
- public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onReceivedHttpAuthRequest(view, handler, host, realm);
- }
- else
- {
- super.onReceivedHttpAuthRequest(view, handler, host, realm);
- }
- }
-
- @Override
- public boolean shouldOverrideKeyEvent(WebView view, KeyEvent event)
- {
- if (extWebViewClient != null)
- {
- return extWebViewClient.shouldOverrideKeyEvent(view, event);
- }
- else
- {
- return super.shouldOverrideKeyEvent(view, event);
- }
- }
-
- @Override
- public void onUnhandledKeyEvent(WebView view, KeyEvent event)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onUnhandledKeyEvent(view, event);
- }
- else
- {
- super.onUnhandledKeyEvent(view, event);
- }
- }
-
- @Override
- public void onScaleChanged(WebView view, float oldScale, float newScale)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onScaleChanged(view, oldScale, newScale);
- }
- else
- {
- super.onScaleChanged(view, oldScale, newScale);
- }
- }
-
- @Override
- public void onReceivedLoginRequest(WebView view, String realm, String account, String args)
- {
- if (extWebViewClient != null)
- {
- extWebViewClient.onReceivedLoginRequest(view, realm, account, args);
- }
- else
- {
- super.onReceivedLoginRequest(view, realm, account, args);
- }
- }
-
- protected WebResourceResponse shouldInterceptRequest(
- WebView webview, String url, boolean isMainFrame,
- boolean isXmlHttpRequest, String[] referrerChainArray)
- {
- // if dispose() was invoke, but the page is still loading then just let it go
- if (provider.getCounter() == 0)
- {
- e("FilterEngine already disposed, allow loading");
-
- // allow loading by returning null
- return null;
- }
- else
- {
- provider.waitForReady();
- }
-
- if (isMainFrame)
- {
- // never blocking main frame requests, just subrequests
- w(url + " is main frame, allow loading");
-
- // allow loading by returning null
- return null;
- }
-
- // whitelisted
- if (provider.getEngine().isDomainWhitelisted(url, referrerChainArray))
- {
- w(url + " domain is whitelisted, allow loading");
-
- // allow loading by returning null
- return null;
- }
-
- if (provider.getEngine().isDocumentWhitelisted(url, referrerChainArray))
- {
- w(url + " document is whitelisted, allow loading");
-
- // allow loading by returning null
- return null;
- }
-
- // determine the content
- FilterEngine.ContentType contentType;
- if (isXmlHttpRequest)
- {
- contentType = FilterEngine.ContentType.XMLHTTPREQUEST;
- }
- else
- {
- if (RE_JS.matcher(url).find())
- {
- contentType = FilterEngine.ContentType.SCRIPT;
- }
- else if (RE_CSS.matcher(url).find())
- {
- contentType = FilterEngine.ContentType.STYLESHEET;
- }
- else if (RE_IMAGE.matcher(url).find())
- {
- contentType = FilterEngine.ContentType.IMAGE;
- }
- else if (RE_FONT.matcher(url).find())
- {
- contentType = FilterEngine.ContentType.FONT;
- }
- else if (RE_HTML.matcher(url).find())
- {
- contentType = FilterEngine.ContentType.SUBDOCUMENT;
- }
- else
- {
- contentType = FilterEngine.ContentType.OTHER;
- }
- }
-
- // check if we should block
- if (provider.getEngine().matches(url, contentType, referrerChainArray))
- {
- w("Blocked loading " + url);
-
- // if we should block, return empty response which results in 'errorLoading' callback
- return new WebResourceResponse("text/plain", "UTF-8", null);
- }
-
- d("Allowed loading " + url);
-
- // continue by returning null
- return null;
- }
-
- @TargetApi(Build.VERSION_CODES.LOLLIPOP)
- @Override
- public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request)
- {
- // here we just trying to fill url -> referrer map
- // blocking/allowing loading will happen in `shouldInterceptRequest(WebView,String)`
- String url = request.getUrl().toString();
-
- boolean isXmlHttpRequest =
- request.getRequestHeaders().containsKey(HEADER_REQUESTED_WITH) &&
- HEADER_REQUESTED_WITH_XMLHTTPREQUEST.equals(
- request.getRequestHeaders().get(HEADER_REQUESTED_WITH));
-
- String referrer = request.getRequestHeaders().get(HEADER_REFERRER);
- String[] referrers;
-
- if (referrer != null)
- {
- d("Header referrer for " + url + " is " + referrer);
- url2Referrer.put(url, referrer);
-
- referrers = new String[]
- {
- referrer
- };
- }
- else
- {
- w("No referrer header for " + url);
- referrers = EMPTY_ARRAY;
- }
-
- return shouldInterceptRequest(view, url, request.isForMainFrame(), isXmlHttpRequest, referrers);
- }
- }
-
- private void initAbp()
- {
- addJavascriptInterface(this, BRIDGE);
- initClients();
- }
-
- private void initClients()
- {
- intWebViewClient = new AdblockWebViewClient();
- applyAdblockEnabled();
- }
-
- private class ElemHideThread extends Thread
- {
- private String selectorsString;
- private CountDownLatch finishedLatch;
- private AtomicBoolean isFinished;
- private AtomicBoolean isCancelled;
-
- public ElemHideThread(CountDownLatch finishedLatch)
- {
- this.finishedLatch = finishedLatch;
- isFinished = new AtomicBoolean(false);
- isCancelled = new AtomicBoolean(false);
- }
-
- @Override
- public void run()
- {
- try
- {
- if (provider.getCounter() == 0)
- {
- w("FilterEngine already disposed");
- selectorsString = EMPTY_ELEMHIDE_ARRAY_STRING;
- }
- else
- {
- provider.waitForReady();
- String[] referrers = new String[]
- {
- url
- };
-
- List subscriptions = provider
- .getEngine()
- .getFilterEngine()
- .getListedSubscriptions();
-
- try
- {
- d("Listed subscriptions: " + subscriptions.size());
- if (debugMode)
- {
- for (Subscription eachSubscription : subscriptions)
- {
- d("Subscribed to "
- + (eachSubscription.isDisabled() ? "disabled" : "enabled")
- + " " + eachSubscription);
- }
- }
- }
- finally
- {
- for (Subscription eachSubscription : subscriptions)
- {
- eachSubscription.dispose();
- }
- }
-
- final String domain = provider.getEngine().getFilterEngine().getHostFromURL(url);
- if (domain == null)
- {
- e("Failed to extract domain from " + url);
- selectorsString = EMPTY_ELEMHIDE_ARRAY_STRING;
- }
- else
- {
- d("Requesting elemhide selectors from AdblockEngine for " + url + " in " + this);
- List selectors = provider
- .getEngine()
- .getElementHidingSelectors(url, domain, referrers);
-
- d("Finished requesting elemhide selectors, got " + selectors.size() + " in " + this);
- selectorsString = Utils.stringListToJsonArray(selectors);
- }
- }
- }
- finally
- {
- if (isCancelled.get())
- {
- w("This thread is cancelled, exiting silently " + this);
- }
- else
- {
- finish(selectorsString);
- }
- }
- }
-
- private void onFinished()
- {
- finishedLatch.countDown();
- synchronized (finishedRunnableLockObject)
- {
- if (finishedRunnable != null)
- {
- finishedRunnable.run();
- }
- }
- }
-
- private void finish(String result)
- {
- isFinished.set(true);
- d("Setting elemhide string " + result.length() + " bytes");
- elemHideSelectorsString = result;
- onFinished();
- }
-
- private final Object finishedRunnableLockObject = new Object();
- private Runnable finishedRunnable;
-
- public void setFinishedRunnable(Runnable runnable)
- {
- synchronized (finishedRunnableLockObject)
- {
- this.finishedRunnable = runnable;
- }
- }
-
- public void cancel()
- {
- w("Cancelling elemhide thread " + this);
- if (isFinished.get())
- {
- w("This thread is finished, exiting silently " + this);
- }
- else
- {
- isCancelled.set(true);
- finish(EMPTY_ELEMHIDE_ARRAY_STRING);
- }
- }
- }
-
- private Runnable elemHideThreadFinishedRunnable = new Runnable()
- {
- @Override
- public void run()
- {
- synchronized (elemHideThreadLockObject)
- {
- w("elemHideThread set to null");
- elemHideThread = null;
- }
- }
- };
-
- private void initAbpLoading()
- {
- getSettings().setJavaScriptEnabled(true);
- buildInjectJs();
- ensureProvider();
- }
-
- private void ensureProvider()
- {
- // if AdblockWebView works as drop-in replacement for WebView 'provider' is not set.
- // Thus AdblockWebView is using SingleInstanceEngineProvider instance
- if (provider == null)
- {
- setProvider(new SingleInstanceEngineProvider(
- getContext(), AdblockEngine.BASE_PATH_DIRECTORY, debugMode));
- }
- }
-
- private void startAbpLoading(String newUrl)
- {
- d("Start loading " + newUrl);
-
- loading = true;
- addDomListener = true;
- elementsHidden = false;
- loadError = null;
- url = newUrl;
-
- if (url != null)
- {
- elemHideLatch = new CountDownLatch(1);
- elemHideThread = new ElemHideThread(elemHideLatch);
- elemHideThread.setFinishedRunnable(elemHideThreadFinishedRunnable);
- elemHideThread.start();
- }
- else
- {
- elemHideLatch = null;
- }
- }
-
- private void buildInjectJs()
- {
- try
- {
- if (injectJs == null)
- {
- injectJs = readScriptFile("inject.js").replace(HIDE_TOKEN, readScriptFile("css.js"));
- }
- }
- catch (IOException e)
- {
- e("Failed to read script", e);
- }
- }
-
- @Override
- public void goBack()
- {
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.goBack();
- }
-
- @Override
- public void goForward()
- {
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.goForward();
- }
-
- @Override
- public void reload()
- {
- initAbpLoading();
-
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.reload();
- }
-
- @Override
- public void loadUrl(String url)
- {
- initAbpLoading();
-
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.loadUrl(url);
- }
-
- @Override
- public void loadUrl(String url, Map additionalHttpHeaders)
- {
- initAbpLoading();
-
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.loadUrl(url, additionalHttpHeaders);
- }
-
- @Override
- public void loadData(String data, String mimeType, String encoding)
- {
- initAbpLoading();
-
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.loadData(data, mimeType, encoding);
- }
-
- @Override
- public void loadDataWithBaseURL(String baseUrl, String data, String mimeType, String encoding,
- String historyUrl)
- {
- initAbpLoading();
-
- if (loading)
- {
- stopAbpLoading();
- }
-
- super.loadDataWithBaseURL(baseUrl, data, mimeType, encoding, historyUrl);
- }
-
- @Override
- public void stopLoading()
- {
- stopAbpLoading();
- super.stopLoading();
- }
-
- private void stopAbpLoading()
- {
- d("Stop abp loading");
-
- loading = false;
- stopPreventDrawing();
- clearReferrers();
-
- synchronized (elemHideThreadLockObject)
- {
- if (elemHideThread != null)
- {
- elemHideThread.cancel();
- }
- }
- }
-
- // warning: do not rename (used in injected JS by method name)
- @JavascriptInterface
- public void setElementsHidden(boolean value)
- {
- // invoked with 'true' by JS callback when DOM is loaded
- elementsHidden = value;
-
- // fired on worker thread, but needs to be invoked on main thread
- if (value)
- {
-// handler.post(allowDrawRunnable);
-// should work, but it's not working:
-// the user can see element visible even though it was hidden on dom event
-
- if (allowDrawDelay > 0)
- {
- d("Scheduled 'allow drawing' invocation in " + allowDrawDelay + " ms");
- }
- handler.postDelayed(allowDrawRunnable, allowDrawDelay);
- }
- }
-
- // warning: do not rename (used in injected JS by method name)
- @JavascriptInterface
- public boolean isElementsHidden()
- {
- return elementsHidden;
- }
-
- @Override
- public void onPause()
- {
- handler.removeCallbacks(allowDrawRunnable);
- super.onPause();
- }
-
- @Override
- protected void onDraw(Canvas canvas)
- {
- if (allowDraw)
- {
- super.onDraw(canvas);
- }
- else
- {
- w("Prevent drawing");
- drawEmptyPage(canvas);
- }
- }
-
- private void drawEmptyPage(Canvas canvas)
- {
- // assuming default color is WHITE
- canvas.drawColor(Color.WHITE);
- }
-
- protected void startPreventDrawing()
- {
- w("Start prevent drawing");
-
- allowDraw = false;
- }
-
- protected void stopPreventDrawing()
- {
- d("Stop prevent drawing, invalidating");
-
- allowDraw = true;
- invalidate();
- }
-
- private Runnable allowDrawRunnable = new Runnable()
- {
- @Override
- public void run()
- {
- stopPreventDrawing();
- }
- };
-
- // warning: do not rename (used in injected JS by method name)
- @JavascriptInterface
- public String getElemhideSelectors()
- {
- if (elemHideLatch == null)
- {
- return EMPTY_ELEMHIDE_ARRAY_STRING;
- }
- else
- {
- try
- {
- // elemhide selectors list getting is started in startAbpLoad() in background thread
- d("Waiting for elemhide selectors to be ready");
- elemHideLatch.await();
- d("Elemhide selectors ready, " + elemHideSelectorsString.length() + " bytes");
-
- clearReferrers();
-
- return elemHideSelectorsString;
- }
- catch (InterruptedException e)
- {
- w("Interrupted, returning empty selectors list");
- return EMPTY_ELEMHIDE_ARRAY_STRING;
- }
- }
- }
-
- private void doDispose()
- {
- w("Disposing AdblockEngine");
- provider.release();
- }
-
- private class DisposeRunnable implements Runnable
- {
- private Runnable disposeFinished;
-
- private DisposeRunnable(Runnable disposeFinished)
- {
- this.disposeFinished = disposeFinished;
- }
-
- @Override
- public void run()
- {
- doDispose();
-
- if (disposeFinished != null)
- {
- disposeFinished.run();
- }
- }
- }
-
- /**
- * Dispose AdblockWebView and internal adblockEngine if it was created
- * If external AdblockEngine was passed using `setAdblockEngine()` it should be disposed explicitly
- * Warning: runnable can be invoked from background thread
- * @param disposeFinished runnable to run when AdblockWebView is disposed
- */
- public void dispose(final Runnable disposeFinished)
- {
- d("Dispose invoked");
-
- if (provider == null)
- {
- d("No internal AdblockEngineProvider created");
- return;
- }
-
- stopLoading();
-
- DisposeRunnable disposeRunnable = new DisposeRunnable(disposeFinished);
- synchronized (elemHideThreadLockObject)
- {
- if (elemHideThread != null)
- {
- w("Busy with elemhide selectors, delayed disposing scheduled");
- elemHideThread.setFinishedRunnable(disposeRunnable);
- }
- else
- {
- disposeRunnable.run();
- }
- }
- }
-}