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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_ARC_GRAPHICS_TRACING_ARC_GRAPHICS_TRACING_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_ARC_GRAPHICS_TRACING_ARC_GRAPHICS_TRACING_HANDLER_H_
#include <map>
#include <memory>
#include <utility>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/exo/surface_observer.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "ui/aura/window_observer.h"
#include "ui/events/event_handler.h"
#include "ui/wm/public/activation_change_observer.h"
namespace arc {
class ArcGraphicsJankDetector;
class ArcSystemStatCollector;
} // namespace arc
namespace base {
class ListValue;
} // namespace base
namespace exo {
class Surface;
class WMHelper;
} // namespace exo
namespace chromeos {
class ArcGraphicsTracingHandler : public content::WebUIMessageHandler,
public wm::ActivationChangeObserver,
public aura::WindowObserver,
public ui::EventHandler,
public exo::SurfaceObserver {
public:
ArcGraphicsTracingHandler();
~ArcGraphicsTracingHandler() override;
// content::WebUIMessageHandler:
void RegisterMessages() override;
// wm::ActivationChangeObserver:
void OnWindowActivated(ActivationReason reason,
aura::Window* gained_active,
aura::Window* lost_active) override;
// aura::WindowObserver:
void OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) override;
void OnWindowDestroying(aura::Window* window) override;
// ui::EventHandler:
void OnKeyEvent(ui::KeyEvent* event) override;
// exo::SurfaceObserver:
void OnSurfaceDestroying(exo::Surface* surface) override;
void OnCommit(exo::Surface* surface) override;
private:
void Activate();
void StartTracing();
void StopTracing();
void SetStatus(const std::string& status);
void OnTracingStarted();
void OnTracingStopped(std::unique_ptr<std::string> trace_data);
// Called when graphics model is built or load. Extra string parameter
// contains a status. In case model cannot be built/load empty |base::Value|
// is returned.
void OnGraphicsModelReady(std::pair<base::Value, std::string> result);
// Handlers for calls from JS.
void HandleReady(const base::ListValue* args);
void HandleSetStopOnJank(const base::ListValue* args);
void HandleLoadFromText(const base::ListValue* args);
// Updates title and icon for the active ARC window.
void UpdateActiveArcWindowInfo();
// Stops tracking ARC window for janks.
void DiscardActiveArcWindow();
// Called in case jank is detected in active ARC window.
void OnJankDetected(const base::Time& timestamp);
// Indicates that tracing was initiated by this handler.
bool tracing_active_ = false;
// Determines if tracing should stop in case jank is detected runtime.
bool stop_on_jank_ = true;
exo::WMHelper* const wm_helper_;
aura::Window* arc_active_window_ = nullptr;
// Time filter for tracing, since ARC++ window was activated last until
// tracing is stopped.
base::TimeTicks tracing_time_min_;
base::TimeTicks tracing_time_max_;
// Task id for current ARC window.
int active_task_id_ = -1;
// Used to detect janks for the currently active ARC++ window.
std::unique_ptr<arc::ArcGraphicsJankDetector> jank_detector_;
// Collects system stat runtime.
std::unique_ptr<arc::ArcSystemStatCollector> system_stat_colletor_;
// Information about tasks, title and icon.
base::DictionaryValue tasks_info_;
base::WeakPtrFactory<ArcGraphicsTracingHandler> weak_ptr_factory_{this};
DISALLOW_COPY_AND_ASSIGN(ArcGraphicsTracingHandler);
};
} // namespace chromeos
#endif // CHROME_BROWSER_UI_WEBUI_CHROMEOS_ARC_GRAPHICS_TRACING_ARC_GRAPHICS_TRACING_HANDLER_H_
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