prerender_navigation_throttle.cc | Explore in Territory

// 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.

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

#include "base/memory/ptr_util.h"
#include "base/no_destructor.h"
#include "base/strings/string_split.h"
#include "content/browser/preloading/prerender/prerender_features.h"
#include "content/browser/preloading/prerender/prerender_final_status.h"
#include "content/browser/preloading/prerender/prerender_host.h"
#include "content/browser/preloading/prerender/prerender_host_registry.h"
#include "content/browser/preloading/prerender/prerender_metrics.h"
#include "content/browser/preloading/prerender/prerender_navigation_utils.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/public/browser/preloading_trigger_type.h"
#include "content/public/common/content_features.h"
#include "services/network/public/mojom/parsed_headers.mojom.h"
#include "third_party/blink/public/common/features.h"
#include "url/origin.h"
#include "url/url_constants.h"

namespace content {

namespace {

// For the given two origins, analyze what kind of redirection happened.
void AnalyzeCrossOriginRedirection(const url::Origin& current_origin,
                                   const url::Origin& initial_origin,
                                   const std::string& histogram_suffix) { … }

// Returns true if a host of the given url is on the predefined blocked list as
// they cannot support prerendering.
bool ShouldSkipHostInBlockList(const GURL& url) { … }

}  // namespace

PrerenderNavigationThrottle::~PrerenderNavigationThrottle() = default;

// static
std::unique_ptr<PrerenderNavigationThrottle>
PrerenderNavigationThrottle::MaybeCreateThrottleFor(
    NavigationHandle* navigation_handle) { … }

const char* PrerenderNavigationThrottle::GetNameForLogging() { … }

NavigationThrottle::ThrottleCheckResult
PrerenderNavigationThrottle::WillStartRequest() { … }

NavigationThrottle::ThrottleCheckResult
PrerenderNavigationThrottle::WillRedirectRequest() { … }

PrerenderNavigationThrottle::PrerenderNavigationThrottle(
    NavigationRequest* navigation_request)
    : … { … }

NavigationThrottle::ThrottleCheckResult
PrerenderNavigationThrottle::WillStartOrRedirectRequest(bool is_redirection) { … }

NavigationThrottle::ThrottleCheckResult
PrerenderNavigationThrottle::WillProcessResponse() { … }

bool PrerenderNavigationThrottle::IsInitialNavigation() const { … }

void PrerenderNavigationThrottle::CancelPrerendering(
    PrerenderFinalStatus final_status) { … }

}  // namespace content
chromium/content/browser/preloading/prerender/prerender_navigation_throttle.cc
