ui/views/test/widget_test.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_WIDGET_TEST_H_
   6 #define UI_VIEWS_TEST_WIDGET_TEST_H_
   7
   8 #include "ui/gfx/native_widget_types.h"
   9 #include "ui/views/test/views_test_base.h"
  10
  11 #if defined(USE_AURA)
  12 #include "ui/views/widget/native_widget_aura.h"
  13 #if !defined(OS_CHROMEOS)
  14 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
  15 #endif
  16 #elif defined(OS_MACOSX)
  17 #include "ui/views/widget/native_widget_mac.h"
  18 #endif
  19
  20 namespace ui {
  21 class EventProcessor;
  22 }
  23
  24 namespace views {
  25
  26 class NativeWidget;
  27 class Widget;
  28
  29 #if defined(USE_AURA)
  30 typedef NativeWidgetAura PlatformNativeWidget;
  31 #if !defined(OS_CHROMEOS)
  32 typedef DesktopNativeWidgetAura PlatformDesktopNativeWidget;
  33 #endif
  34 #elif defined(OS_MACOSX)
  35 typedef NativeWidgetMac PlatformNativeWidget;
  36 typedef NativeWidgetMac PlatformDesktopNativeWidget;
  37 #endif
  38
  39 namespace internal {
  40
  41 class RootView;
  42
  43 }  // namespace internal
  44
  45 namespace test {
  46
  47 // A widget that assumes mouse capture always works. It won't on Aura in
  48 // testing, so we mock it.
  49 class NativeWidgetCapture : public PlatformNativeWidget {
  50  public:
  51   explicit NativeWidgetCapture(internal::NativeWidgetDelegate* delegate);
  52   ~NativeWidgetCapture() override;
  53
  54   void SetCapture() override;
  55   void ReleaseCapture() override;
  56   bool HasCapture() const override;
  57
  58  private:
  59   bool mouse_capture_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(NativeWidgetCapture);
  62 };
  63
  64 class WidgetTest : public ViewsTestBase {
  65  public:
  66   // Scoped handle that fakes all widgets into claiming they are active. This
  67   // allows a test to assume active status does not get stolen by a test that
  68   // may be running in parallel. It shouldn't be used in tests that create
  69   // multiple widgets.
  70   class FakeActivation {
  71    public:
  72     virtual ~FakeActivation() {}
  73
  74    protected:
  75     FakeActivation() {}
  76
  77    private:
  78     DISALLOW_COPY_AND_ASSIGN(FakeActivation);
  79   };
  80
  81   WidgetTest();
  82   ~WidgetTest() override;
  83
  84   // Create Widgets with |native_widget| in InitParams set to an instance of
  85   // test::NativeWidgetCapture.
  86   Widget* CreateTopLevelPlatformWidget();
  87   Widget* CreateTopLevelFramelessPlatformWidget();
  88   Widget* CreateChildPlatformWidget(gfx::NativeView parent_native_view);
  89
  90   // Create Widgets initialized without a |native_widget| set in InitParams.
  91   // Depending on the test environment, ViewsDelegate::OnBeforeWidgetInit() may
  92   // still provide one.
  93   Widget* CreateTopLevelNativeWidget();
  94   Widget* CreateChildNativeWidgetWithParent(Widget* parent);
  95   Widget* CreateChildNativeWidget();
  96
  97   // Create a top-level Widget with |native_widget| in InitParams set to an
  98   // instance of the "native desktop" type. This is a PlatformNativeWidget on
  99   // ChromeOS, and a PlatformDesktopNativeWidget everywhere else.
 100   Widget* CreateNativeDesktopWidget();
 101
 102   View* GetMousePressedHandler(internal::RootView* root_view);
 103
 104   View* GetMouseMoveHandler(internal::RootView* root_view);
 105
 106   View* GetGestureHandler(internal::RootView* root_view);
 107
 108   // Simulate a OS-level destruction of the native widget held by |widget|.
 109   static void SimulateNativeDestroy(Widget* widget);
 110
 111   // Return true if |window| is visible according to the native platform.
 112   static bool IsNativeWindowVisible(gfx::NativeWindow window);
 113
 114   // Return true if |above| is higher than |below| in the native window Z-order.
 115   // Both windows must be visible.
 116   static bool IsWindowStackedAbove(Widget* above, Widget* below);
 117
 118   // Query the native window system for the minimum size configured for user
 119   // initiated window resizes.
 120   static gfx::Size GetNativeWidgetMinimumContentSize(Widget* widget);
 121
 122   // Return the event processor for |widget|. On aura platforms, this is an
 123   // aura::WindowEventDispatcher. Otherwise, it is a bridge to the OS event
 124   // processor.
 125   static ui::EventProcessor* GetEventProcessor(Widget* widget);
 126
 127 #if defined(OS_MACOSX)
 128   static scoped_ptr<FakeActivation> FakeWidgetIsActiveAlways();
 129 #endif
 130
 131  private:
 132   DISALLOW_COPY_AND_ASSIGN(WidgetTest);
 133 };
 134
 135 }  // namespace test
 136 }  // namespace views
 137
 138 #endif  // UI_VIEWS_TEST_WIDGET_TEST_H_