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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/renderer_host/legacy_render_widget_host_win.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_aura.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/scoped_accessibility_mode_override.h"
#include "content/shell/browser/shell.h"
#include "ui/accessibility/accessibility_features.h"
#include "ui/accessibility/platform/ax_fragment_root_win.h"
#include "ui/accessibility/platform/ax_platform_node.h"
#include "ui/accessibility/platform/browser_accessibility.h"
#include "ui/aura/client/aura_constants.h"
namespace content {
struct AccessibilityLinkageTestParams {
bool is_uia_enabled;
bool is_legacy_window_disabled;
} const kTestParameters[] = {{false, false},
{false, true},
{true, false},
{true, true}};
class AccessibilityTreeLinkageWinBrowserTest
: public ContentBrowserTest,
public ::testing::WithParamInterface<AccessibilityLinkageTestParams> {
public:
AccessibilityTreeLinkageWinBrowserTest() {
if (GetParam().is_uia_enabled) {
scoped_feature_list_.InitAndEnableFeature(::features::kUiaProvider);
}
dummy_ax_platform_node_ = ui::AXPlatformNode::Create(dummy_ax_node_);
}
AccessibilityTreeLinkageWinBrowserTest(
const AccessibilityTreeLinkageWinBrowserTest&) = delete;
AccessibilityTreeLinkageWinBrowserTest& operator=(
const AccessibilityTreeLinkageWinBrowserTest&) = delete;
void SetUpCommandLine(base::CommandLine* command_line) override {
if (GetParam().is_legacy_window_disabled)
command_line->AppendSwitch(::switches::kDisableLegacyIntermediateWindow);
}
RenderWidgetHostViewAura* GetView() {
return static_cast<RenderWidgetHostViewAura*>(
shell()->web_contents()->GetRenderWidgetHostView());
}
gfx::NativeWindow GetParentWindow() { return GetView()->window()->parent(); }
LegacyRenderWidgetHostHWND* GetLegacyRenderWidgetHostHWND() {
return GetView()->legacy_render_widget_host_HWND_;
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
protected:
ui::AXPlatformNodeDelegate dummy_ax_node_;
ui::AXPlatformNode::Pointer dummy_ax_platform_node_;
};
IN_PROC_BROWSER_TEST_P(AccessibilityTreeLinkageWinBrowserTest, Linkage) {
ScopedAccessibilityModeOverride ax_mode_override(ui::kAXModeBasic.flags());
EXPECT_TRUE(NavigateToURL(shell(), GURL(url::kAboutBlankURL)));
GetParentWindow()->SetProperty(
aura::client::kParentNativeViewAccessibleKey,
dummy_ax_platform_node_->GetNativeViewAccessible());
if (GetParam().is_legacy_window_disabled)
ASSERT_EQ(GetLegacyRenderWidgetHostHWND(), nullptr);
else
ASSERT_NE(GetLegacyRenderWidgetHostHWND(), nullptr);
// Used by WebView to splice in the web content root accessible as a child of
// the WebView's parent
gfx::NativeViewAccessible native_view_accessible =
GetView()->GetNativeViewAccessible();
EXPECT_EQ(native_view_accessible, GetView()
->host()
->GetRootBrowserAccessibilityManager()
->GetBrowserAccessibilityRoot()
->GetNativeViewAccessible());
// Used by LegacyRenderWidgetHostHWND to find the parent of the UIA fragment
// root for web content
gfx::NativeViewAccessible parent_native_view_accessible =
GetView()->GetParentNativeViewAccessible();
EXPECT_EQ(parent_native_view_accessible,
dummy_ax_platform_node_->GetNativeViewAccessible());
// Used by BrowserAccessibilityManager to find the parent of the web content
// root accessible
gfx::NativeViewAccessible accessibility_native_view_accessible =
GetView()->AccessibilityGetNativeViewAccessible();
if (GetParam().is_legacy_window_disabled) {
EXPECT_EQ(accessibility_native_view_accessible,
dummy_ax_platform_node_->GetNativeViewAccessible());
} else {
EXPECT_EQ(accessibility_native_view_accessible,
GetLegacyRenderWidgetHostHWND()->window_accessible());
}
}
INSTANTIATE_TEST_SUITE_P(All,
AccessibilityTreeLinkageWinBrowserTest,
::testing::ValuesIn(kTestParameters));
} // namespace content
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