[Custom Tabs] Implement "Read It Later" Behind a Flag

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/ChromeTabCreator.java

 // Copyright 2015 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.tabmodel;
 
 import android.content.Intent;
+import android.os.Handler;
 import android.text.TextUtils;
 
 import org.chromium.base.SysUtils;
 import org.chromium.base.TraceEvent;
+import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.TabState;
 import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager;
 import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabDelegateFactory;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.chrome.browser.util.UrlUtilities;
 import org.chromium.components.service_tab_launcher.ServiceTabLauncher;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.content_public.common.Referrer;
 import org.chromium.ui.base.PageTransition;
 import org.chromium.ui.base.WindowAndroid;
+import org.chromium.ui.widget.Toast;
 
 /**
  * This class creates various kinds of new tabs and adds them to the right {@link TabModel}.
  */
 public class ChromeTabCreator extends TabCreatorManager.TabCreator {
+    private static final int VISIBLE_DURATION_MS = 600;
 
     private final ChromeActivity mActivity;
     private final WindowAndroid mNativeWindow;
     private final TabModelOrderController mOrderController;
     private final TabPersistentStore mTabSaver;
     private final boolean mIncognito;
 
     private TabModel mTabModel;
     private TabContentManager mTabContentManager;
 
@@ skipping 115 matching lines @@
             }
             tab.getTabRedirectHandler().updateIntent(intent);
 
             if (intent != null && intent.hasExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA)) {
                 ServiceTabLauncher.onWebContentsForRequestAvailable(
                         intent.getIntExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA, 0),
                         tab.getWebContents());
             }
 
             mTabModel.addTab(tab, position, type);
+
+            if (type == TabLaunchType.FROM_REPARENTING) {
+                TabReparentingParams params = (TabReparentingParams) asyncParams;
+                if (!params.shouldStayInChrome()) {
+                    new Handler().postDelayed(new Runnable() {
+                        @Override
+                        public void run() {
+                            mActivity.moveTaskToBack(true);
+                            Toast.makeText(mActivity, R.string.tab_sent_to_background,
+                                    Toast.LENGTH_LONG).show();
+                        }
+                    }, VISIBLE_DURATION_MS);
+                }
+            }
             return tab;
         } finally {
             TraceEvent.end("ChromeTabCreator.createNewTab");
         }
     }
 
     @Override
     public boolean createTabWithWebContents(Tab parent, WebContents webContents, int parentId,
             TabLaunchType type, String url) {
         // The parent tab was already closed.  Do not open child tabs.
@@ skipping 145 matching lines @@
      * Sets the tab model and tab content manager to use.
      * @param model   The new {@link TabModel} to use.
      * @param manager The new {@link TabContentManager} to use.
      */
     public void setTabModel(TabModel model, TabContentManager manager) {
         mTabModel = model;
         mTabContentManager = manager;
     }
 
 }