chromium/content/browser/preloading/prerender/prerender_no_vary_search_hint_commit_deferring_condition.cc

// 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.

#include "content/browser/preloading/prerender/prerender_no_vary_search_hint_commit_deferring_condition.h"

#include <memory>
#include <optional>

#include "base/check.h"
#include "base/feature_list.h"
#include "base/functional/callback_forward.h"
#include "base/memory/ptr_util.h"
#include "base/no_destructor.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "content/browser/preloading/prerender/prerender_host.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/public/browser/commit_deferring_condition.h"

namespace content {

namespace {

// Returns the root prerender frame tree node associated with navigation_request
// of ongoing prerender activation.
FrameTreeNode* GetRootPrerenderFrameTreeNode(int prerender_frame_tree_node_id) { … }

}  // namespace

// static
std::unique_ptr<CommitDeferringCondition>
PrerenderNoVarySearchHintCommitDeferringCondition::MaybeCreate(
    NavigationRequest& navigation_request,
    NavigationType navigation_type,
    std::optional<int> candidate_prerender_frame_tree_node_id) { … }

PrerenderNoVarySearchHintCommitDeferringCondition::
    ~PrerenderNoVarySearchHintCommitDeferringCondition() { … }

PrerenderNoVarySearchHintCommitDeferringCondition::
    PrerenderNoVarySearchHintCommitDeferringCondition(
        NavigationRequest& navigation_request,
        int candidate_prerender_frame_tree_node_id)
    : … { … }

CommitDeferringCondition::Result
PrerenderNoVarySearchHintCommitDeferringCondition::WillCommitNavigation(
    base::OnceClosure resume) { … }

void PrerenderNoVarySearchHintCommitDeferringCondition::OnHeadersReceived() { … }

void PrerenderNoVarySearchHintCommitDeferringCondition::OnHostDestroyed(
    PrerenderFinalStatus status) { … }

void PrerenderNoVarySearchHintCommitDeferringCondition::
    OnBlockUntilHeadTimerElapsed() { … }

scoped_refptr<base::SingleThreadTaskRunner>
PrerenderNoVarySearchHintCommitDeferringCondition::GetTimerTaskRunner() { … }

// static
scoped_refptr<base::SingleThreadTaskRunner>&
PrerenderNoVarySearchHintCommitDeferringCondition::
    GetTimerTaskRunnerForTesting() { … }

// static
void PrerenderNoVarySearchHintCommitDeferringCondition::
    SetTimerTaskRunnerForTesting(
        scoped_refptr<base::SingleThreadTaskRunner> task_runner) { … }

}  // namespace content