[Android] Add options in the context menu of CCT to open in a new Chrome tab or incoginto tab

chrome/android/java/src/org/chromium/chrome/browser/contextmenu/ChromeContextMenuPopulator.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.content.Context;
+import android.content.Intent;
 import android.net.MailTo;
+import android.net.Uri;
 import android.support.annotation.IntDef;
 import android.text.TextUtils;
 import android.view.ContextMenu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.webkit.MimeTypeMap;
 
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.UrlConstants;
+import org.chromium.chrome.browser.externalnav.ExternalNavigationDelegateImpl;
 import org.chromium.chrome.browser.firstrun.FirstRunStatus;
 import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.chrome.browser.preferences.datareduction.DataReductionProxyUma;
 import org.chromium.chrome.browser.search_engines.TemplateUrlService;
 import org.chromium.chrome.browser.util.UrlUtilities;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.Arrays;
 
@@ skipping 41 matching lines @@
             R.id.contextmenu_open_in_incognito_tab,
             R.id.contextmenu_save_link_as,
             R.id.contextmenu_load_original_image,
             R.id.contextmenu_open_image_in_new_tab,
             R.id.contextmenu_search_by_image,
     };
 
     // Additional items for custom tabs mode.
     private static final int[] CUSTOM_TAB_MODE_WHITELIST = {
             R.id.contextmenu_open_image,
-            R.id.contextmenu_search_by_image
+            R.id.contextmenu_search_by_image,
+            R.id.contextmenu_open_in_new_chrome_tab,
+            R.id.contextmenu_open_in_chrome_incognito_tab,
+            R.id.contextmenu_open_in_browser_id,
     };
 
     // Additional items for fullscreen tabs mode.
     private static final int[] FULLSCREEN_TAB_MODE_WHITELIST = {
             R.id.menu_id_open_in_chrome
     };
 
     private final ContextMenuItemDelegate mDelegate;
     private MenuInflater mMenuInflater;
     private final int mMode;
@@ skipping 221 matching lines @@
             menu.findItem(R.id.contextmenu_open_in_new_tab).setVisible(false);
             menu.findItem(R.id.contextmenu_open_in_incognito_tab).setVisible(false);
             menu.findItem(R.id.contextmenu_search_by_image).setVisible(false);
             menu.findItem(R.id.menu_id_open_in_chrome).setVisible(false);
         }
 
         if (mMode == FULLSCREEN_TAB_MODE) {
             removeUnsupportedItems(menu, FULLSCREEN_TAB_MODE_WHITELIST);
         } else if (mMode == CUSTOM_TAB_MODE) {
             removeUnsupportedItems(menu, CUSTOM_TAB_MODE_WHITELIST);
+            MenuItem defaultOpenMenuItem = menu.findItem(R.id.contextmenu_open_in_browser_id);
+            if (isChromeDefault()) {

[Ted C, 2017/02/11 00:08:46]

Let's use
ChromePreferenceManager.getInstance(context).getCachedChromeDefaultBrowser()
here.  It was added for instant apps so we can use it here instead of querying
again.

[ltian, 2017/02/14 01:43:44]

Done.

+                defaultOpenMenuItem.setVisible(false);
+            } else {
+                menu.findItem(R.id.contextmenu_open_in_new_chrome_tab).setVisible(false);
+                menu.findItem(R.id.contextmenu_open_in_chrome_incognito_tab).setVisible(false);
+                defaultOpenMenuItem.setTitle(mDelegate.getTitleForOpenTabInExternalApp());
+            }
         } else {
             removeUnsupportedItems(menu, NORMAL_MODE_WHITELIST);
         }
     }
 
     private void removeUnsupportedItems(ContextMenu menu, int[] whitelist) {
         Arrays.sort(BASE_WHITELIST);
         Arrays.sort(whitelist);
         for (int i = 0; i < menu.size(); i++) {
             MenuItem item = menu.getItem(i);
             if (Arrays.binarySearch(whitelist, item.getItemId()) < 0
                     && Arrays.binarySearch(BASE_WHITELIST, item.getItemId()) < 0) {
                 menu.removeItem(item.getItemId());
                 i--;
             }
         }
     }
 
+    private boolean isChromeDefault() {
+        String url = "https://www.google.com";
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+        return ExternalNavigationDelegateImpl.willChromeHandleIntent(intent, false);
+    }
+
     @Override
     public boolean onItemSelected(ContextMenuHelper helper, ContextMenuParams params, int itemId) {
         if (itemId == R.id.contextmenu_open_in_other_window) {
             ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IN_OTHER_WINDOW);
             mDelegate.onOpenInOtherWindow(params.getLinkUrl(), params.getReferrer());
         } else if (itemId == R.id.contextmenu_open_in_new_tab) {
             ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IN_NEW_TAB);
             mDelegate.onOpenInNewTab(params.getLinkUrl(), params.getReferrer());
         } else if (itemId == R.id.contextmenu_open_in_incognito_tab) {
             ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IN_INCOGNITO_TAB);
@@ skipping 70 matching lines @@
                 helper.startContextMenuDownload(true, false);
             }
         } else if (itemId == R.id.contextmenu_search_by_image) {
             ContextMenuUma.record(params, ContextMenuUma.ACTION_SEARCH_BY_IMAGE);
             helper.searchForImage();
         } else if (itemId == R.id.contextmenu_share_image) {
             ContextMenuUma.record(params, ContextMenuUma.ACTION_SHARE_IMAGE);
             helper.shareImage();
         } else if (itemId == R.id.menu_id_open_in_chrome) {
             mDelegate.onOpenInChrome(params.getLinkUrl(), params.getPageUrl());
+        } else if (itemId == R.id.contextmenu_open_in_new_chrome_tab) {
+            mDelegate.onOpenInNewChromeTabFromCCT(params.getLinkUrl(), false);
+        } else if (itemId == R.id.contextmenu_open_in_chrome_incognito_tab) {
+            mDelegate.onOpenInNewChromeTabFromCCT(params.getLinkUrl(), true);
+        } else if (itemId == R.id.contextmenu_open_in_browser_id) {
+            mDelegate.onOpenInDefaultBrowser(params.getLinkUrl());
         } else {
             assert false;
         }
 
         return true;
     }
 
     private void setHeaderText(Context context, ContextMenu menu, String text) {
         ContextMenuTitleView title = new ContextMenuTitleView(context, text);
         menu.setHeaderView(title);
     }
 }