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// Copyright 2024 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_ARC_TRACING_TEST_OVERVIEW_TRACING_TEST_HANDLER_H_
#define CHROME_BROWSER_ASH_ARC_TRACING_TEST_OVERVIEW_TRACING_TEST_HANDLER_H_
#include "chrome/browser/ash/arc/tracing/overview_tracing_handler.h"
namespace arc {
// ARC overview tracing handler with test helpers e.g. for timer manipulation
// and responding to callbacks as done by components which are not present in a
// testing environment.
class OverviewTracingTestHandler : public OverviewTracingHandler {
public:
explicit OverviewTracingTestHandler(
ArcWindowFocusChangeCb arc_window_focus_change_callback);
OverviewTracingTestHandler(const OverviewTracingTestHandler&) = delete;
OverviewTracingTestHandler& operator=(const OverviewTracingTestHandler&) =
delete;
~OverviewTracingTestHandler() override;
void set_now(base::Time now) { now_ = now; }
// Sets the time relative to which SystemTicksNow should return. This is
// typically a time near the start of the trace.
void set_trace_time_base(base::Time trace_time_base) {
trace_time_base_ = trace_time_base;
}
void set_non_trace_app_windows(AppWindowList non_trace_app_windows) {
non_trace_app_windows_ = std::move(non_trace_app_windows);
}
// Invokes the callback which the OverviewTracingHandler has requested be
// called after the trace has started.
void StartTracingOnControllerRespond();
// Invokes the callback which the OverviewTracingHandler has requested be
// called after the trace has finished.
void StopTracingOnControllerRespond(std::unique_ptr<std::string> trace_data);
// Asserts that the two ...Respond methods have been called to unblock any
// callbacks. These ...Respond methods are usually called by test code which
// is invoked by the code under test, so any missing invocation of ...Respond
// suggests that the code under test has left some callback "hanging."
void VerifyNoUnrespondedCallback();
// OverviewTracingHandler:
base::Time Now() override;
base::TimeTicks SystemTicksNow() override;
private:
// OverviewTracingHandler:
void StartTracingOnController(
const base::trace_event::TraceConfig& trace_config,
content::TracingController::StartTracingDoneCallback after_start)
override;
void StopTracingOnController(
content::TracingController::CompletionCallback after_stop) override;
AppWindowList AllAppWindows() const override;
// Callback which the parent class has requested be called after the
// trace has finished.
content::TracingController::StartTracingDoneCallback after_start_;
// Callback which the parent class has requested be called after the
// trace has stopped.
content::TracingController::CompletionCallback after_stop_;
// The time relative to which SystemTicksNow is calculated. This can be any
// time before the start of the trace.
base::Time trace_time_base_;
// Current time as far as the trace handler logic is concerned.
base::Time now_;
// All app windows iterated by ForEachAppWindow, except the active arc window,
// which is always iterated over.
AppWindowList non_trace_app_windows_;
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_TRACING_TEST_OVERVIEW_TRACING_TEST_HANDLER_H_
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