chrome/browser/ui/panels/test_panel_collection_squeeze_observer.h

   1 // Copyright (c) 2012 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 CHROME_BROWSER_UI_PANELS_TEST_PANEL_COLLECTION_SQUEEZE_OBSERVER_H_
   6 #define CHROME_BROWSER_UI_PANELS_TEST_PANEL_COLLECTION_SQUEEZE_OBSERVER_H_
   7
   8 #include "chrome/browser/ui/panels/test_panel_notification_observer.h"
   9
  10 class DockedPanelCollection;
  11 class Panel;
  12
  13 // Custom notification observer for waiting on panel collection that squeezes
  14 // its panels to reflect a certain state.
  15 // Modeled after ui_test_utils notification observers.
  16 class PanelCollectionSqueezeObserver : public TestPanelNotificationObserver {
  17  public:
  18   // Register to listen for panel collection updated notifications
  19   // from the specified collection to detect a change to the state
  20   // where the |active_panel| is at full width and all other
  21   // panels in the collection are squeezed.
  22   PanelCollectionSqueezeObserver(DockedPanelCollection* collection,
  23                                  Panel* active_panel);
  24   ~PanelCollectionSqueezeObserver() override;
  25
  26  private:
  27   // TestNotificationObserver override:
  28   bool AtExpectedState() override;
  29
  30   bool IsSqueezed(Panel* panel);
  31
  32   DockedPanelCollection* panel_collection_;
  33   Panel* active_panel_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(PanelCollectionSqueezeObserver);
  36 };
  37
  38 #endif  // CHROME_BROWSER_UI_PANELS_TEST_PANEL_COLLECTION_SQUEEZE_OBSERVER_H_