Android: support http referrers for context menu navigations.

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java

 // Copyright 2013 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.chrome.browser.contextmenu;
 
 import android.text.TextUtils;
 
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
+import org.chromium.content_public.Referrer;
 
 import java.util.ArrayList;
 
 /**
  * A list of parameters that explain what kind of context menu to show the user.  This data is
  * generated from content/public/common/context_menu_params.h.
  */
 @JNINamespace("ContextMenuParamsAndroid")
 public class ContextMenuParams {
     /** Must correspond to the MediaType enum in WebKit/chromium/public/WebContextMenuData.h */
@@ skipping 15 matching lines @@
             this.label = label;
             this.action = action;
         }
     }
 
     private final String mLinkUrl;
     private final String mLinkText;
     private final String mUnfilteredLinkUrl;
     private final String mSrcUrl;
     private final boolean mIsEditable;
+    private final Referrer mReferrer;
 
     private final boolean mIsAnchor;
     private final boolean mIsSelectedText;
     private final boolean mIsImage;
     private final boolean mIsVideo;
 
     private final ArrayList<CustomMenuItem> mCustomMenuItems = new ArrayList<CustomMenuItem>();
 
     /**
      * @return Whether or not the context menu should consist of custom items.
@@ skipping 58 matching lines @@
     }
 
     /**
      * @return Whether or not the context menu is being shown for an editable piece of content.
      */
     public boolean isEditable() {
         return mIsEditable;
     }
 
     /**
+     * @return the referrer associated with the frame on which the menu is invoked
+     */
+    public Referrer getReferrer() {
+        return mReferrer;
+    }
+
+    /**
      * @return Whether or not the context menu is being shown for an anchor.
      */
     public boolean isAnchor() {
         return mIsAnchor;
     }
 
     /**
      * @return Whether or not the context menu is being shown for selected text.
      */
     public boolean isSelectedText() {
         return mIsSelectedText;
     }
 
     /**
      * @return Whether or not the context menu is being shown for an image.
      */
     public boolean isImage() {
         return mIsImage;
     }
 
     /**
      * @return Whether or not the context menu is being shown for a video.
      */
     public boolean isVideo() {
         return mIsVideo;
     }
 
     private ContextMenuParams(int mediaType, String linkUrl, String linkText,
-            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable) {
+            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable,
+            Referrer referrer) {
         mLinkUrl = linkUrl;
         mLinkText = linkText;
         mUnfilteredLinkUrl = unfilteredLinkUrl;
         mSrcUrl = srcUrl;
         mIsEditable = isEditable;
+        mReferrer = referrer;
 
         mIsAnchor = !TextUtils.isEmpty(linkUrl);
         mIsSelectedText = !TextUtils.isEmpty(selectionText);
         mIsImage = mediaType == MediaType.MEDIA_TYPE_IMAGE;
         mIsVideo = mediaType == MediaType.MEDIA_TYPE_VIDEO;
     }
 
     @CalledByNative
     private static ContextMenuParams create(int mediaType, String linkUrl, String linkText,
-            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable) {
+            String unfilteredLinkUrl, String srcUrl, String selectionText, boolean isEditable,
+            String sanitizedReferrer, int referrerPolicy) {
+        Referrer referrer = TextUtils.isEmpty(sanitizedReferrer) ?
+                null : new Referrer(sanitizedReferrer, referrerPolicy);
         return new ContextMenuParams(mediaType, linkUrl, linkText, unfilteredLinkUrl, srcUrl,
-                selectionText, isEditable);
+                selectionText, isEditable, referrer);
     }
 
     @CalledByNative
     private void addCustomItem(String label, int action) {
         mCustomMenuItems.add(new CustomMenuItem(label, action));
     }
-}
+}