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

// 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_subframe_navigation_throttle.h"

#include "base/memory/ptr_util.h"
#include "content/browser/preloading/prerender/prerender_final_status.h"
#include "content/browser/preloading/prerender/prerender_host_registry.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/navigation_handle.h"
#include "url/origin.h"

namespace content {

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

PrerenderSubframeNavigationThrottle::PrerenderSubframeNavigationThrottle(
    NavigationHandle* nav_handle)
    : … { … }

PrerenderSubframeNavigationThrottle::~PrerenderSubframeNavigationThrottle() =
    default;

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

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

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

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

void PrerenderSubframeNavigationThrottle::OnActivated() { … }

// Use DidFinishNavigation() rather than PrimaryPageChanged() in order to
// Resume() after the PageBroadcast Activate IPC is sent, which happens a
// little after PrimaryPageChanged() and before DidFinishNavigation(). This
// guarantees the new document starts in non-prerendered state.
void PrerenderSubframeNavigationThrottle::DidFinishNavigation(
    NavigationHandle* nav_handle) { … }

NavigationThrottle::ThrottleCheckResult
PrerenderSubframeNavigationThrottle::WillCommitWithoutUrlLoader() { … }

NavigationThrottle::ThrottleCheckResult
PrerenderSubframeNavigationThrottle::DeferOrCancelCrossOriginSubframeNavigation(
    const FrameTreeNode& frame_tree_node) { … }

void PrerenderSubframeNavigationThrottle::OnHostDestroyed(
    PrerenderFinalStatus final_status) { … }

NavigationThrottle::ThrottleCheckResult
PrerenderSubframeNavigationThrottle::WillStartOrRedirectRequest() { … }

}  // namespace content