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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_ANDROID_OOM_INTERVENTION_NEAR_OOM_REDUCTION_MESSAGE_DELEGATE_H_
#define CHROME_BROWSER_ANDROID_OOM_INTERVENTION_NEAR_OOM_REDUCTION_MESSAGE_DELEGATE_H_
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/interventions/intervention_delegate.h"
#include "components/messages/android/message_enums.h"
#include "components/messages/android/message_wrapper.h"
#include "content/public/browser/web_contents.h"
namespace oom_intervention {
// A near OOM reduction delegate responsible for showing message bubbles.
// Created when high memory usage is detected and web page execution
// (JavaScript execution) is stopped to prevent OOM crashes.
class NearOomReductionMessageDelegate {
public:
NearOomReductionMessageDelegate();
~NearOomReductionMessageDelegate();
void ShowMessage(content::WebContents* web_contents,
InterventionDelegate* intervention_delegate);
void DismissMessage(messages::DismissReason dismiss_reason);
messages::MessageWrapper* message_for_testing() { return message_.get(); }
private:
// Invoked when the user clicks on "Show" to decline the high memory usage
// intervention and continue web page execution with original content.
void HandleDeclineInterventionClicked();
// Invoked when the message is dismissed, whether by the user, explicitly
// in the code or automatically.
void HandleMessageDismissed(messages::DismissReason dismiss_reason);
std::unique_ptr<messages::MessageWrapper> message_;
raw_ptr<InterventionDelegate> intervention_delegate_;
};
} // namespace oom_intervention
#endif // CHROME_BROWSER_ANDROID_OOM_INTERVENTION_NEAR_OOM_REDUCTION_MESSAGE_DELEGATE_H_
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