[Android] Allow custom ActionMode creation via ContentViewClient

android_webview/glue/java/src/com/android/webview/chromium/WebViewContentsClientAdapter.java

 // Copyright 2014 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 com.android.webview.chromium;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Picture;
 import android.net.Uri;
 import android.net.http.SslError;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
+import android.view.ActionMode;
 import android.view.KeyEvent;
 import android.view.View;
 import android.webkit.ClientCertRequest;
 import android.webkit.ConsoleMessage;
 import android.webkit.DownloadListener;
 import android.webkit.GeolocationPermissions;
 import android.webkit.JsDialogHelper;
 import android.webkit.JsPromptResult;
 import android.webkit.JsResult;
 import android.webkit.PermissionRequest;
@@ skipping 14 matching lines @@
 import org.chromium.android_webview.AwWebResourceResponse;
 import org.chromium.android_webview.JsPromptResultReceiver;
 import org.chromium.android_webview.JsResultReceiver;
 import org.chromium.android_webview.permission.AwPermissionRequest;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.TraceEvent;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.content.browser.ContentView;
 import org.chromium.content.browser.ContentViewClient;
 import org.chromium.content.browser.ContentViewCore;
+import org.chromium.content.browser.SelectActionMode;
+import org.chromium.content.browser.SelectActionModeCallback;
+import org.chromium.content.browser.SelectActionModeCallback.ActionHandler;
 
 import java.lang.ref.WeakReference;
 import java.security.Principal;
 import java.security.PrivateKey;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.WeakHashMap;
 
@@ skipping 309 matching lines @@
         try {
             TraceEvent.begin("WebViewContentsClientAdapter.onNewPicture");
             if (mPictureListener == null) return;
             if (TRACE) Log.d(TAG, "onNewPicture");
             mPictureListener.onNewPicture(mWebView, picture);
         } finally {
             TraceEvent.end("WebViewContentsClientAdapter.onNewPicture");
         }
     }
 
+    /**
+     * @See AwContentsClient#startActionMode(View,ActionHandler,boolean)
+     */
+    @Override
+    public SelectActionMode startActionMode(
+            View view, ActionHandler actionHandler, boolean floating) {
+        try {
+            TraceEvent.begin("WebViewContentsClientAdapter.startActionMode");
+            if (TRACE) Log.d(TAG, "startActionMode");
+            if (floating) return null;
+            ActionMode.Callback callback =
+                    new SelectActionModeCallback(view.getContext(), actionHandler);
+            ActionMode actionMode = view.startActionMode(callback);
+            return actionMode != null ? new SelectActionMode(actionMode) : null;
+        } finally {
+            TraceEvent.end("WebViewContentsClientAdapter.startActionMode");
+        }
+    }
+
+    /**
+     * @See AwContentsClient#supportsFloatingActionMode()
+     */
+    @Override
+    public boolean supportsFloatingActionMode() {
+        return false;
+    }
+
     @Override
     public void onLoadResource(String url) {
         try {
             TraceEvent.begin("WebViewContentsClientAdapter.onLoadResource");
             if (TRACE) Log.d(TAG, "onLoadResource=" + url);
             mWebViewClient.onLoadResource(mWebView, url);
         } finally {
             TraceEvent.end("WebViewContentsClientAdapter.onLoadResource");
         }
     }
@@ skipping 862 matching lines @@
                 mAwPermissionRequest.deny();
             }
         }
 
         @Override
         public void deny() {
             mAwPermissionRequest.deny();
         }
     }
 }