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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_FOR_TEST_H_
#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_FOR_TEST_H_
#include "ui/accessibility/ax_mode.h"
#include "ui/accessibility/platform/ax_platform.h"
namespace ui {
class ScopedAXModeSetter;
// A process-wide AXPlatform instance for use by tests.
class AXPlatformForTest : public AXPlatform::Delegate {
public:
// Returns the instance for the test.
static AXPlatformForTest& GetInstance();
AXPlatformForTest();
AXPlatformForTest(const AXPlatformForTest&) = delete;
AXPlatformForTest& operator=(const AXPlatformForTest&) = delete;
~AXPlatformForTest() override;
void DetachFromThread();
// AXPlatform::Delegate:
AXMode GetAccessibilityMode() override;
#if BUILDFLAG(IS_WIN)
AXPlatform::ProductStrings GetProductStrings() override;
#endif
private:
friend class ScopedAXModeSetter;
AXPlatform ax_platform_{*this};
AXMode mode_;
};
// Provides a way for tests to temporarily override the accessibility mode flags
// accessible by the test's fake AXPlatform. Observers are not notified of the
// change.
class ScopedAXModeSetter {
public:
explicit ScopedAXModeSetter(AXMode new_mode) {
AXPlatformForTest::GetInstance().mode_ = new_mode;
}
~ScopedAXModeSetter() {
AXPlatformForTest::GetInstance().mode_ = previous_mode_;
}
private:
const AXMode previous_mode_{AXPlatformForTest::GetInstance().mode_};
};
} // namespace ui
#endif // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_FOR_TEST_H_
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