ui/views/test/test_views.h

   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 #ifndef UI_VIEWS_TEST_TEST_VIEWS_H_
   6 #define UI_VIEWS_TEST_TEST_VIEWS_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/events/event_constants.h"
  10 #include "ui/views/view.h"
  11
  12 namespace views {
  13
  14 // A view that requests a set amount of space.
  15 class StaticSizedView : public View {
  16  public:
  17   explicit StaticSizedView(const gfx::Size& size);
  18   ~StaticSizedView() override;
  19
  20   gfx::Size GetPreferredSize() const override;
  21
  22  private:
  23   gfx::Size size_;
  24
  25   DISALLOW_COPY_AND_ASSIGN(StaticSizedView);
  26 };
  27
  28 // A view that accomodates testing layouts that use GetHeightForWidth.
  29 class ProportionallySizedView : public View {
  30  public:
  31   explicit ProportionallySizedView(int factor);
  32   ~ProportionallySizedView() override;
  33
  34   void set_preferred_width(int width) { preferred_width_ = width; }
  35
  36   int GetHeightForWidth(int w) const override;
  37   gfx::Size GetPreferredSize() const override;
  38
  39  private:
  40   // The multiplicative factor between width and height, i.e.
  41   // height = width * factor_.
  42   int factor_;
  43
  44   // The width used as the preferred size. -1 if not used.
  45   int preferred_width_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(ProportionallySizedView);
  48 };
  49
  50 // Class that closes the widget (which ends up deleting it immediately) when the
  51 // appropriate event is received.
  52 class CloseWidgetView : public View {
  53  public:
  54   explicit CloseWidgetView(ui::EventType event_type);
  55
  56   // ui::EventHandler override:
  57   void OnEvent(ui::Event* event) override;
  58
  59  private:
  60   const ui::EventType event_type_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(CloseWidgetView);
  63 };
  64
  65 }  // namespace views
  66
  67 #endif  // UI_VIEWS_TEST_TEST_VIEWS_H_