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/views/view.h"
  10
  11 namespace views {
  12
  13 // A view that requests a set amount of space.
  14 class StaticSizedView : public View {
  15  public:
  16   explicit StaticSizedView(const gfx::Size& size);
  17   ~StaticSizedView() override;
  18
  19   gfx::Size GetPreferredSize() const override;
  20
  21  private:
  22   gfx::Size size_;
  23
  24   DISALLOW_COPY_AND_ASSIGN(StaticSizedView);
  25 };
  26
  27 // A view that accomodates testing layouts that use GetHeightForWidth.
  28 class ProportionallySizedView : public View {
  29  public:
  30   explicit ProportionallySizedView(int factor);
  31   ~ProportionallySizedView() override;
  32
  33   void set_preferred_width(int width) { preferred_width_ = width; }
  34
  35   int GetHeightForWidth(int w) const override;
  36   gfx::Size GetPreferredSize() const override;
  37
  38  private:
  39   // The multiplicative factor between width and height, i.e.
  40   // height = width * factor_.
  41   int factor_;
  42
  43   // The width used as the preferred size. -1 if not used.
  44   int preferred_width_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(ProportionallySizedView);
  47 };
  48
  49 }  // namespace views
  50
  51 #endif  // UI_VIEWS_TEST_TEST_VIEWS_H_