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 #include <oleacc.h> 6 7 #include "base/win/scoped_bstr.h" 8 #include "base/win/scoped_comptr.h" 9 #include "base/win/scoped_variant.h" 10 #include "third_party/iaccessible2/ia2_api_all.h" 11 #include "ui/views/accessibility/native_view_accessibility.h" 12 #include "ui/views/controls/textfield/textfield.h" 13 #include "ui/views/test/views_test_base.h" 14 15 using base::win::ScopedBstr; 16 using base::win::ScopedComPtr; 17 using base::win::ScopedVariant; 18 19 namespace views { 20 namespace test { 21 22 class NativeViewAcccessibilityWinTest : public ViewsTestBase { 23 public: 24 NativeViewAcccessibilityWinTest() {} 25 virtual ~NativeViewAcccessibilityWinTest() {} 26 27 protected: 28 void GetIAccessible2InterfaceForView(View* view, IAccessible2_2** result) { 29 ScopedComPtr<IAccessible> view_accessible( 30 view->GetNativeViewAccessible()); 31 ScopedComPtr<IServiceProvider> service_provider; 32 ASSERT_EQ(S_OK, view_accessible.QueryInterface(service_provider.Receive())); 33 ASSERT_EQ(S_OK, 34 service_provider->QueryService(IID_IAccessible2_2, result)); 35 } 36 }; 37 38 TEST_F(NativeViewAcccessibilityWinTest, TextfieldAccessibility) { 39 Widget widget; 40 Widget::InitParams init_params = 41 CreateParams(Widget::InitParams::TYPE_POPUP); 42 init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 43 widget.Init(init_params); 44 45 View* content = new View; 46 widget.SetContentsView(content); 47 48 Textfield* textfield = new Textfield; 49 textfield->SetAccessibleName(L"Name"); 50 textfield->SetText(L"Value"); 51 content->AddChildView(textfield); 52 53 ScopedComPtr<IAccessible> content_accessible( 54 content->GetNativeViewAccessible()); 55 LONG child_count = 0; 56 ASSERT_EQ(S_OK, content_accessible->get_accChildCount(&child_count)); 57 ASSERT_EQ(1L, child_count); 58 59 ScopedComPtr<IDispatch> textfield_dispatch; 60 ScopedComPtr<IAccessible> textfield_accessible; 61 ScopedVariant child_index(1); 62 ASSERT_EQ(S_OK, content_accessible->get_accChild( 63 child_index, textfield_dispatch.Receive())); 64 ASSERT_EQ(S_OK, textfield_dispatch.QueryInterface( 65 textfield_accessible.Receive())); 66 67 ScopedBstr name; 68 ScopedVariant childid_self(CHILDID_SELF); 69 ASSERT_EQ(S_OK, textfield_accessible->get_accName( 70 childid_self, name.Receive())); 71 ASSERT_STREQ(L"Name", name); 72 73 ScopedBstr value; 74 ASSERT_EQ(S_OK, textfield_accessible->get_accValue( 75 childid_self, value.Receive())); 76 ASSERT_STREQ(L"Value", value); 77 78 ScopedBstr new_value(L"New value"); 79 ASSERT_EQ(S_OK, textfield_accessible->put_accValue(childid_self, new_value)); 80 81 ASSERT_STREQ(L"New value", textfield->text().c_str()); 82 } 83 84 TEST_F(NativeViewAcccessibilityWinTest, UnattachedWebView) { 85 // This is a regression test. Calling get_accChild on the native accessible 86 // object for a WebView with no attached WebContents was causing an 87 // infinite loop and crash. This test simulates that with an ordinary 88 // View that registers itself as a web view with NativeViewAcccessibility. 89 90 Widget widget; 91 Widget::InitParams init_params = 92 CreateParams(Widget::InitParams::TYPE_POPUP); 93 init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 94 widget.Init(init_params); 95 96 View* content = new View; 97 widget.SetContentsView(content); 98 99 View* web_view = new View; 100 content->AddChildView(web_view); 101 NativeViewAccessibility::RegisterWebView(web_view); 102 103 ScopedComPtr<IAccessible> web_view_accessible( 104 web_view->GetNativeViewAccessible()); 105 ScopedComPtr<IDispatch> result_dispatch; 106 ScopedVariant child_index(-999); 107 ASSERT_EQ(E_FAIL, web_view_accessible->get_accChild( 108 child_index, result_dispatch.Receive())); 109 110 NativeViewAccessibility::UnregisterWebView(web_view); 111 } 112 113 TEST_F(NativeViewAcccessibilityWinTest, AuraOwnedWidgets) { 114 Widget widget; 115 Widget::InitParams init_params = 116 CreateParams(Widget::InitParams::TYPE_WINDOW); 117 init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 118 widget.Init(init_params); 119 120 ScopedComPtr<IAccessible> root_view_accessible( 121 widget.GetRootView()->GetNativeViewAccessible()); 122 123 LONG child_count = 0; 124 ASSERT_EQ(S_OK, root_view_accessible->get_accChildCount(&child_count)); 125 ASSERT_EQ(1L, child_count); 126 127 Widget owned_widget; 128 Widget::InitParams owned_init_params = 129 CreateParams(Widget::InitParams::TYPE_POPUP); 130 owned_init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 131 owned_init_params.parent = widget.GetNativeView(); 132 owned_widget.Init(owned_init_params); 133 owned_widget.Show(); 134 135 ASSERT_EQ(S_OK, root_view_accessible->get_accChildCount(&child_count)); 136 ASSERT_EQ(2L, child_count); 137 } 138 139 TEST_F(NativeViewAcccessibilityWinTest, RetrieveAllAlerts) { 140 Widget widget; 141 Widget::InitParams init_params = 142 CreateParams(Widget::InitParams::TYPE_POPUP); 143 init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 144 widget.Init(init_params); 145 146 View* content = new View; 147 widget.SetContentsView(content); 148 149 View* infobar = new View; 150 content->AddChildView(infobar); 151 152 View* infobar2 = new View; 153 content->AddChildView(infobar2); 154 155 View* root_view = content->parent(); 156 ASSERT_EQ(NULL, root_view->parent()); 157 158 ScopedComPtr<IAccessible2_2> root_view_accessible; 159 GetIAccessible2InterfaceForView(root_view, root_view_accessible.Receive()); 160 161 ScopedComPtr<IAccessible2_2> infobar_accessible; 162 GetIAccessible2InterfaceForView(infobar, infobar_accessible.Receive()); 163 164 ScopedComPtr<IAccessible2_2> infobar2_accessible; 165 GetIAccessible2InterfaceForView(infobar2, infobar2_accessible.Receive()); 166 167 // Initially, there are no alerts 168 ScopedBstr alerts_bstr(L"alerts"); 169 IUnknown** targets; 170 long n_targets; 171 ASSERT_EQ(S_FALSE, root_view_accessible->get_relationTargetsOfType( 172 alerts_bstr, 0, &targets, &n_targets)); 173 ASSERT_EQ(0, n_targets); 174 175 // Fire alert events on the infobars. 176 infobar->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true); 177 infobar2->NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true); 178 179 // Now calling get_relationTargetsOfType should retrieve the alerts. 180 ASSERT_EQ(S_OK, root_view_accessible->get_relationTargetsOfType( 181 alerts_bstr, 0, &targets, &n_targets)); 182 ASSERT_EQ(2, n_targets); 183 ASSERT_TRUE(infobar_accessible.IsSameObject(targets[0])); 184 ASSERT_TRUE(infobar2_accessible.IsSameObject(targets[1])); 185 CoTaskMemFree(targets); 186 187 // If we set max_targets to 1, we should only get the first one. 188 ASSERT_EQ(S_OK, root_view_accessible->get_relationTargetsOfType( 189 alerts_bstr, 1, &targets, &n_targets)); 190 ASSERT_EQ(1, n_targets); 191 ASSERT_TRUE(infobar_accessible.IsSameObject(targets[0])); 192 CoTaskMemFree(targets); 193 194 // If we delete the first view, we should only get the second one now. 195 delete infobar; 196 ASSERT_EQ(S_OK, root_view_accessible->get_relationTargetsOfType( 197 alerts_bstr, 0, &targets, &n_targets)); 198 ASSERT_EQ(1, n_targets); 199 ASSERT_TRUE(infobar2_accessible.IsSameObject(targets[0])); 200 CoTaskMemFree(targets); 201 } 202 203 } // namespace test 204 } // namespace views 205
