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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_
#define CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_base.h"
#include "base/metrics/statistics_recorder.h"
#include "base/run_loop.h"
#include "chrome/browser/extensions/error_console/error_console.h"
#include "chrome/browser/extensions/extension_browser_test_util.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "ui/base/ime/input_method_base.h"
#include "ui/base/ime/input_method_observer.h"
namespace ash {
using ContextType = ::extensions::browser_test_util::ContextType;
using ::extensions::ErrorConsole;
enum class ManifestVersion { kTwo, kThree };
class FullscreenMagnifierController;
// A class used to define the parameters of an API test case.
class ApiTestConfig {
public:
ApiTestConfig(ContextType context_type, ManifestVersion version)
: context_type_(context_type), version_(version) {}
ContextType context_type() const { return context_type_; }
ManifestVersion version() const { return version_; }
private:
ContextType context_type_;
ManifestVersion version_;
};
// A class that waits for caret bounds changed.
class CaretBoundsChangedWaiter : public ui::InputMethodObserver {
public:
explicit CaretBoundsChangedWaiter(ui::InputMethod* input_method);
CaretBoundsChangedWaiter(const CaretBoundsChangedWaiter&) = delete;
CaretBoundsChangedWaiter& operator=(const CaretBoundsChangedWaiter&) = delete;
~CaretBoundsChangedWaiter() override;
// Waits for bounds changed within the input method.
void Wait();
private:
// ui::InputMethodObserver:
void OnFocus() override {}
void OnBlur() override {}
void OnTextInputStateChanged(const ui::TextInputClient* client) override {}
void OnInputMethodDestroyed(const ui::InputMethod* input_method) override {}
void OnCaretBoundsChanged(const ui::TextInputClient* client) override;
raw_ptr<ui::InputMethod> input_method_;
base::RunLoop run_loop_;
};
// Instantiate this class to get errors and warnings for an extension.
// This will catch console.error and console.warn messages as well as
// any uncaught JS errors in the extension and cause a non-fatal
// test failure as well as log the failure message.
//
// If this is used in the test SetUp, ensure the lifecycle lasts past
// the scope of the SetUp method, perhaps by using a member var, e.g.
// console_observer_ = std::make_unique<ExtensionConsoleErrorObserver>(
// browser()->profile(), extension_misc::kSelectToSpeakExtensionId);
class ExtensionConsoleErrorObserver : public ErrorConsole::Observer {
public:
ExtensionConsoleErrorObserver(Profile* profile, const char* extension_id);
virtual ~ExtensionConsoleErrorObserver();
// ErrorConsole::Observer:
void OnErrorAdded(const extensions::ExtensionError* error) override;
void OnErrorConsoleDestroyed() override;
// Returns whether errors or warnings were received.
bool HasErrorsOrWarnings();
// A helper method to return the string content (in UTF8) of the error or
// warning at the given |index|. This will cause a test failure if there is no
// such message.
std::string GetErrorOrWarningAt(size_t index) const;
// Get the number of errors and warnings received.
size_t GetErrorsAndWarningsCount() const;
private:
std::vector<std::u16string> errors_;
raw_ptr<ErrorConsole> error_console_;
};
// Listens for changes to the histogram provided at construction. This class
// only allows `Wait()` to be called once. If you need to call `Wait()` multiple
// times, create multiple instances of this class.
class HistogramWaiter {
public:
explicit HistogramWaiter(std::string_view metric_name);
~HistogramWaiter();
HistogramWaiter(const HistogramWaiter&) = delete;
HistogramWaiter& operator=(const HistogramWaiter&) = delete;
// Waits for the next update to the observed histogram.
void Wait();
void OnHistogramCallback(std::string_view metric_name,
uint64_t name_hash,
base::HistogramBase::Sample32 sample);
private:
std::unique_ptr<base::StatisticsRecorder::ScopedHistogramSampleObserver>
histogram_observer_;
base::RunLoop run_loop_;
};
// FullscreenMagnifierController moves the magnifier window with animation
// when the magnifier is set to be enabled. This waiter class lets a consumer
// wait until the animation completes, i.e. after a mouse move.
class MagnifierAnimationWaiter {
public:
explicit MagnifierAnimationWaiter(FullscreenMagnifierController* controller);
MagnifierAnimationWaiter(const MagnifierAnimationWaiter&) = delete;
MagnifierAnimationWaiter& operator=(const MagnifierAnimationWaiter&) = delete;
~MagnifierAnimationWaiter();
// Wait until the Fullscreen magnifier finishes animating.
void Wait();
private:
void OnTimer();
raw_ptr<FullscreenMagnifierController> controller_; // not owned
scoped_refptr<content::MessageLoopRunner> runner_;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_
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