added scale animation for context menu

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.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
@@ skipping 25 matching lines @@
     private final String mUnfilteredLinkUrl;
     private final String mSrcUrl;
     private final boolean mImageWasFetchedLoFi;
     private final Referrer mReferrer;
 
     private final boolean mIsAnchor;
     private final boolean mIsImage;
     private final boolean mIsVideo;
     private final boolean mCanSavemedia;
 
+    private final int mTriggeringTouchX;
+    private final int mTriggeringTouchY;
+
     /**
      * @return The URL associated with the main frame of the page that triggered the context menu.
      */
     public String getPageUrl() {
         return mPageUrl;
     }
 
     /**
      * @return The link URL, if any.
      */
@@ skipping 71 matching lines @@
     /**
      * @return Whether or not the context menu is been shown for a download item.
      */
     public boolean isFile() {
         if (!TextUtils.isEmpty(mSrcUrl) && mSrcUrl.startsWith(UrlConstants.FILE_URL_PREFIX)) {
             return true;
         }
         return false;
     }
 
+    /**
+     * @return The x-coordinate of the touch that triggered the context menu in dp relative to the
+     *          content window; 0 corresponds to the left edge.
+     */
+    public int getTriggeringTouchX() {
+        return mTriggeringTouchX;
+    }
+
+    /**
+     * @return The y-coordinate of the touch that triggered the context menu in dp relative to the
+     *          content window; 0 corresponds to the left edge.

[Theresa, 2017/05/24 20:16:33]

nit: s/content window/render view to match native documentation?

[Daniel Park, 2017/05/24 22:34:31]

Done.

+     */
+    public int getTriggeringTouchY() {
+        return mTriggeringTouchY;
+    }
+
     @VisibleForTesting
     ContextMenuParams(int mediaType, String pageUrl, String linkUrl, String linkText,
             String unfilteredLinkUrl, String srcUrl, String titleText, boolean imageWasFetchedLoFi,
-            Referrer referrer, boolean canSavemedia) {
+            Referrer referrer, boolean canSavemedia, int triggeringTouchX, int triggeringTouchY) {
         mPageUrl = pageUrl;
         mLinkUrl = linkUrl;
         mLinkText = linkText;
         mTitleText = titleText;
         mUnfilteredLinkUrl = unfilteredLinkUrl;
         mSrcUrl = srcUrl;
         mImageWasFetchedLoFi = imageWasFetchedLoFi;
         mReferrer = referrer;
 
         mIsAnchor = !TextUtils.isEmpty(linkUrl);
         mIsImage = mediaType == MediaType.MEDIA_TYPE_IMAGE;
         mIsVideo = mediaType == MediaType.MEDIA_TYPE_VIDEO;
         mCanSavemedia = canSavemedia;
+        mTriggeringTouchX = triggeringTouchX;
+        mTriggeringTouchY = triggeringTouchY;
     }
 
     @CalledByNative
     private static ContextMenuParams create(int mediaType, String pageUrl, String linkUrl,
             String linkText, String unfilteredLinkUrl, String srcUrl, String titleText,
             boolean imageWasFetchedLoFi, String sanitizedReferrer, int referrerPolicy,
-            boolean canSavemedia) {
+            boolean canSavemedia, int triggeringTouchX, int triggeringTouchY) {
         Referrer referrer = TextUtils.isEmpty(sanitizedReferrer)
                 ? null : new Referrer(sanitizedReferrer, referrerPolicy);
         return new ContextMenuParams(mediaType, pageUrl, linkUrl, linkText, unfilteredLinkUrl,
-                srcUrl, titleText, imageWasFetchedLoFi, referrer, canSavemedia);
+                srcUrl, titleText, imageWasFetchedLoFi, referrer, canSavemedia, triggeringTouchX,
+                triggeringTouchY);
     }
 }