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// Copyright 2022 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_TASK_MANAGER_PROVIDERS_WEB_CONTENTS_FENCED_FRAME_TASK_H_
#define CHROME_BROWSER_TASK_MANAGER_PROVIDERS_WEB_CONTENTS_FENCED_FRAME_TASK_H_
#include "base/memory/raw_ptr.h"
#include "chrome/browser/task_manager/providers/web_contents/renderer_task.h"
namespace content {
class RenderFrameHost;
class SiteInstance;
} // namespace content
namespace task_manager {
// Defines a task manager entry for a FencedFrame.
class FencedFrameTask : public RendererTask {
public:
FencedFrameTask(content::RenderFrameHost* render_frame_host,
base::WeakPtr<RendererTask> embedder_task);
FencedFrameTask(const FencedFrameTask&) = delete;
FencedFrameTask& operator=(const FencedFrameTask&) = delete;
~FencedFrameTask() override;
// task_manager::Task:
void Activate() override;
base::WeakPtr<task_manager::Task> GetParentTask() const override;
// task_manager::RendererTask:
void UpdateTitle() override;
void UpdateFavicon() override {}
private:
std::u16string GetTitle() const;
// The site instance is owned by the RFH and the RFH always outlives the task.
// A FencedFrame task is deleted when:
// 1, a navigation happens to the FencedFrame (FF), so
// |WebContentsEntry::RenderFrameHostChanged| is fired. Clearly the FF's
// RFH is alive (thus the site instance).
// 2, when the fenced frame is destroyed (by either terminating the embedder
// or FF's process). The |RenderFrameDeleted| will be triggered to delete
// the task. At that point the RFH is still alive.
const raw_ptr<content::SiteInstance> site_instance_;
// Allows us to focus on the embedder's tab.
base::WeakPtr<RendererTask> embedder_task_;
};
} // namespace task_manager
#endif // CHROME_BROWSER_TASK_MANAGER_PROVIDERS_WEB_CONTENTS_FENCED_FRAME_TASK_H_
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