ui/views/controls/native/native_view_host_test_base.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 #include "base/macros.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "ui/views/test/views_test_base.h"
   8
   9 namespace views {
  10
  11 class NativeViewHost;
  12 class NativeViewHostWrapper;
  13 class Widget;
  14
  15 namespace test {
  16
  17 // Base class for NativeViewHost tests on different platforms.
  18 class NativeViewHostTestBase : public ViewsTestBase {
  19  public:
  20   NativeViewHostTestBase();
  21   ~NativeViewHostTestBase() override;
  22
  23   // Create the |toplevel_| widget.
  24   void CreateTopLevel();
  25
  26   // Create a testing |host_| that tracks destructor calls.
  27   void CreateTestingHost();
  28
  29   // The number of times a host created by CreateHost() has been destroyed.
  30   int host_destroyed_count() { return host_destroyed_count_; }
  31   void ResetHostDestroyedCount() { host_destroyed_count_ = 0; }
  32
  33   // Create a child widget whose native parent is |native_parent_view|, uses
  34   // |contents_view|, and is attached to |host| which is added as a child to
  35   // |parent_view|. This effectively borrows the native content view from a
  36   // newly created child Widget, and attaches it to |host|.
  37   Widget* CreateChildForHost(gfx::NativeView native_parent_view,
  38                              View* parent_view,
  39                              View* contents_view,
  40                              NativeViewHost* host);
  41
  42   Widget* toplevel() { return toplevel_.get(); }
  43   void DestroyTopLevel();
  44
  45   NativeViewHost* host() { return host_.get(); }
  46   void DestroyHost();
  47   NativeViewHost* ReleaseHost();
  48
  49   NativeViewHostWrapper* GetNativeWrapper();
  50
  51  private:
  52   class NativeViewHostTesting;
  53
  54   scoped_ptr<Widget> toplevel_;
  55   scoped_ptr<NativeViewHost> host_;
  56   int host_destroyed_count_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(NativeViewHostTestBase);
  59 };
  60
  61 }  // namespace test
  62 }  // namespace views