content/test/test_frame_navigation_observer.h

   1 // Copyright 2014 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 #ifndef CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_
   6 #define CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_
   7
   8 #include <set>
   9
  10 #include "base/callback.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "content/public/browser/web_contents_observer.h"
  14 #include "content/public/test/test_utils.h"
  15
  16 class GURL;
  17
  18 namespace content {
  19 class FrameTreeNode;
  20 class RenderFrameHostImpl;
  21 class WebContents;
  22 struct LoadCommittedDetails;
  23
  24 // For content_browsertests, which run on the UI thread, run a second
  25 // MessageLoop and quit when the navigation in a specific frame completes
  26 // loading.
  27 class TestFrameNavigationObserver : public WebContentsObserver {
  28  public:
  29   // Create and register a new TestFrameNavigationObserver which will track
  30   // navigations performed in the specified |node| of the frame tree.
  31   TestFrameNavigationObserver(FrameTreeNode* node, int number_of_navigations);
  32   // As above but waits for one navigation.
  33   explicit TestFrameNavigationObserver(FrameTreeNode* node);
  34
  35   virtual ~TestFrameNavigationObserver();
  36
  37   // Runs a nested message loop and blocks until the expected number of
  38   // navigations are complete.
  39   void Wait();
  40
  41  private:
  42   // WebContentsObserver
  43   virtual void DidStartProvisionalLoadForFrame(
  44       RenderFrameHost* render_frame_host,
  45       const GURL& validated_url,
  46       bool is_error_page,
  47       bool is_iframe_srcdoc) OVERRIDE;
  48   virtual void DidNavigateAnyFrame(
  49       const LoadCommittedDetails& details,
  50       const FrameNavigateParams& params) OVERRIDE;
  51
  52   // The id of the FrameTreeNode in which navigations are peformed.
  53   int frame_tree_node_id_;
  54
  55   // If true the navigation has started.
  56   bool navigation_started_;
  57
  58   // The number of navigations that have been completed.
  59   int navigations_completed_;
  60
  61   // The number of navigations to wait for.
  62   int number_of_navigations_;
  63
  64   // The MessageLoopRunner used to spin the message loop.
  65   scoped_refptr<MessageLoopRunner> message_loop_runner_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(TestFrameNavigationObserver);
  68 };
  69
  70 }  // namespace content
  71
  72 #endif  // CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_