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| 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 | |
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