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// Copyright 2025 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_PRELOADING_BOOKMARKBAR_PRELOAD_BOOKMARKBAR_PRELOAD_PIPELINE_MANAGER_H_
#define CHROME_BROWSER_PRELOADING_BOOKMARKBAR_PRELOAD_BOOKMARKBAR_PRELOAD_PIPELINE_MANAGER_H_
#include "base/containers/flat_map.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/preloading/bookmarkbar_preload/bookmarkbar_preload_pipeline.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "url/gurl.h"
namespace content {
class WebContents;
}
// Roles:
//
// - Manages preload pipelines per WebContents.
class BookmarkBarPreloadPipelineManager
: public content::WebContentsObserver,
public content::WebContentsUserData<BookmarkBarPreloadPipelineManager> {
public:
~BookmarkBarPreloadPipelineManager() override;
// Not movable nor copyable.
BookmarkBarPreloadPipelineManager(const BookmarkBarPreloadPipelineManager&&) =
delete;
BookmarkBarPreloadPipelineManager& operator=(
const BookmarkBarPreloadPipelineManager&&) = delete;
BookmarkBarPreloadPipelineManager(const BookmarkBarPreloadPipelineManager&) =
delete;
BookmarkBarPreloadPipelineManager& operator=(
const BookmarkBarPreloadPipelineManager&) = delete;
static BookmarkBarPreloadPipelineManager* GetOrCreateForWebContents(
content::WebContents* web_contents);
base::WeakPtr<BookmarkBarPreloadPipelineManager> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
// content::WebContentsObserver
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
void StartPrerender(const GURL& url);
bool IsPreloadingStarted() { return pipeline_ != nullptr; }
void ResetPrerender();
private:
friend content::WebContentsUserData<BookmarkBarPreloadPipelineManager>;
WEB_CONTENTS_USER_DATA_KEY_DECL();
explicit BookmarkBarPreloadPipelineManager(content::WebContents* contents);
std::unique_ptr<BookmarkBarPreloadPipeline> pipeline_;
base::WeakPtrFactory<BookmarkBarPreloadPipelineManager> weak_factory_{this};
};
#endif // CHROME_BROWSER_PRELOADING_BOOKMARKBAR_PRELOAD_BOOKMARKBAR_PRELOAD_PIPELINE_MANAGER_H_
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