Block media loading when AwSettings.setBlockNetworkLoads is true.

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview;
 
 import android.content.ComponentCallbacks2;
-import android.content.Context;
-import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Picture;
 import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
 import android.net.http.SslCertificate;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Message;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewTreeObserver;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeProvider;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.webkit.GeolocationPermissions;
 import android.webkit.ValueCallback;
 import android.widget.OverScroller;
 
 import com.google.common.annotations.VisibleForTesting;
 
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
 import org.chromium.base.ThreadUtils;
 import org.chromium.content.browser.ContentSettings;
-import org.chromium.content.browser.ContentVideoView;
 import org.chromium.content.browser.ContentViewClient;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.ContentViewStatics;
 import org.chromium.content.browser.LoadUrlParams;
 import org.chromium.content.browser.NavigationHistory;
 import org.chromium.content.browser.PageTransitionTypes;
 import org.chromium.content.common.CleanupReference;
 import org.chromium.components.navigation_interception.InterceptNavigationDelegate;
 import org.chromium.components.navigation_interception.NavigationParams;
-import org.chromium.net.GURLUtils;
 import org.chromium.ui.gfx.DeviceDisplayInfo;
 
 import java.io.File;
 import java.lang.annotation.Annotation;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.concurrent.Callable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ skipping 72 matching lines @@
          *         should fallback to the SW path.
          */
         boolean requestDrawGL(Canvas canvas);
     }
 
     private int mNativeAwContents;
     private final AwBrowserContext mBrowserContext;
     private final ViewGroup mContainerView;
     private ContentViewCore mContentViewCore;
     private final AwContentsClient mContentsClient;
+    private final AwContentViewClient mContentViewClient;
     private final AwContentsClientBridge mContentsClientBridge;
     private final AwWebContentsDelegate mWebContentsDelegate;
     private final AwContentsIoThreadClient mIoThreadClient;
     private final InterceptNavigationDelegateImpl mInterceptNavigationDelegate;
     private final InternalAccessDelegate mInternalAccessAdapter;
     private final AwLayoutSizer mLayoutSizer;
     private final AwZoomControls mZoomControls;
     private final AwScrollOffsetManager mScrollOffsetManager;
     private OverScrollGlow mOverScrollGlow;
     // This can be accessed on any thread after construction. See AwContentsIoThreadClient.
@@ skipping 367 matching lines @@
                         isAccessFromFileURLsGrantedByDefault, supportsLegacyQuirks));
     }
 
     public AwContents(AwBrowserContext browserContext, ViewGroup containerView,
             InternalAccessDelegate internalAccessAdapter, AwContentsClient contentsClient,
             AwLayoutSizer layoutSizer, AwSettings settings) {
         mBrowserContext = browserContext;
         mContainerView = containerView;
         mInternalAccessAdapter = internalAccessAdapter;
         mContentsClient = contentsClient;
+        mContentViewClient = new AwContentViewClient(contentsClient, settings);
         mLayoutSizer = layoutSizer;
         mSettings = settings;
         mDIPScale = DeviceDisplayInfo.create(mContainerView.getContext()).getDIPScale();
         mLayoutSizer.setDelegate(new AwLayoutSizerDelegate());
         mLayoutSizer.setDIPScale(mDIPScale);
         mWebContentsDelegate = new AwWebContentsDelegateAdapter(contentsClient, mContainerView);
         mContentsClientBridge = new AwContentsClientBridge(contentsClient);
         mZoomControls = new AwZoomControls(this);
         mIoThreadClient = new IoThreadClientImpl();
         mInterceptNavigationDelegate = new InterceptNavigationDelegateImpl();
@@ skipping 46 matching lines @@
         // each other, we should update |mBrowserContext| according to the newly received native
         // WebContent's browser context.
 
         // The native side object has been bound to this java instance, so now is the time to
         // bind all the native->java relationships.
         mCleanupReference = new CleanupReference(this, new DestroyRunnable(mNativeAwContents));
 
         int nativeWebContents = nativeGetWebContents(mNativeAwContents);
         mContentViewCore = createAndInitializeContentViewCore(
                 mContainerView, mInternalAccessAdapter, nativeWebContents,
-                new AwGestureStateListener(), mContentsClient.getContentViewClient(),
-                mZoomControls);
+                new AwGestureStateListener(), mContentViewClient, mZoomControls);
         nativeSetJavaPeers(mNativeAwContents, this, mWebContentsDelegate, mContentsClientBridge,
                 mIoThreadClient, mInterceptNavigationDelegate);
         mContentsClient.installWebContentsObserver(mContentViewCore);
         mSettings.setWebContents(nativeWebContents);
         nativeSetDipScale(mNativeAwContents, (float) mDIPScale);
         updateGlobalVisibleRect();
 
         // The only call to onShow. onHide should never be called.
         mContentViewCore.onShow();
    }
@@ skipping 1467 matching lines @@
     private native int nativeCapturePicture(int nativeAwContents, int width, int height);
     private native void nativeEnableOnNewPicture(int nativeAwContents, boolean enabled);
 
     private native void nativeInvokeGeolocationCallback(
             int nativeAwContents, boolean value, String requestingFrame);
 
     private native void nativeSetJsOnlineProperty(int nativeAwContents, boolean networkUp);
 
     private native void nativeTrimMemory(int nativeAwContents, int level);
 }