1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.chrome.browser; 6 7 import android.view.ContextMenu; 8 9 /** 10 * An implementation of the {@link TabObserver} which has empty implementations of all methods. 11 */ 12 public class EmptyTabObserver implements TabObserver { 13 14 @Override 15 public void onDestroyed(Tab tab) { } 16 17 @Override 18 public void onContentChanged(Tab tab) { } 19 20 @Override 21 public void onLoadUrl(Tab tab, String url, int loadType) { } 22 23 @Override 24 public void onFaviconUpdated(Tab tab) { } 25 26 @Override 27 public void onTitleUpdated(Tab tab) { } 28 29 @Override 30 public void onUrlUpdated(Tab tab) { } 31 32 @Override 33 public void onSSLStateUpdated(Tab tab) { } 34 35 @Override 36 public void onWebContentsSwapped(Tab tab, boolean didStartLoad, boolean didFinishLoad) { } 37 38 @Override 39 public void onContextMenuShown(Tab tab, ContextMenu menu) { } 40 41 @Override 42 public void onWebContentsInstantSupportDisabled() { } 43 44 @Override 45 public void onLoadStarted(Tab tab) { } 46 47 @Override 48 public void onLoadStopped(Tab tab) { } 49 50 @Override 51 public void onLoadProgressChanged(Tab tab, int progress) { } 52 53 @Override 54 public void onUpdateUrl(Tab tab, String url) { } 55 56 @Override 57 public void onToggleFullscreenMode(Tab tab, boolean enable) { } 58 59 @Override 60 public void onDidFailLoad(Tab tab, boolean isProvisionalLoad, boolean isMainFrame, 61 int errorCode, String description, String failingUrl) { } 62 63 @Override 64 public void onDidStartProvisionalLoadForFrame(Tab tab, long frameId, long parentFrameId, 65 boolean isMainFrame, String validatedUrl, boolean isErrorPage, 66 boolean isIframeSrcdoc) { } 67 68 @Override 69 public void onDidNavigateMainFrame(Tab tab, String url, String baseUrl, 70 boolean isNavigationToDifferentPage, boolean isFragmentNavigation, int statusCode) { } 71 72 @Override 73 public void onDidChangeThemeColor(int color) { } 74 } 75
