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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_NAVIGATION_STATE_H_
#define CONTENT_RENDERER_NAVIGATION_STATE_H_
#include <memory>
#include "content/common/content_export.h"
#include "content/common/frame.mojom.h"
#include "content/renderer/navigation_client.h"
#include "third_party/blink/public/mojom/navigation/navigation_params.mojom.h"
namespace blink {
namespace mojom {
enum class CommitResult;
}
} // namespace blink
namespace content {
class CONTENT_EXPORT NavigationState {
public:
NavigationState(const NavigationState&) = delete;
NavigationState& operator=(const NavigationState&) = delete;
~NavigationState();
static std::unique_ptr<NavigationState> CreateForCrossDocumentCommit(
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
mojom::NavigationClient::CommitNavigationCallback
per_navigation_mojo_interface_callback,
std::unique_ptr<NavigationClient> navigation_client,
bool was_initiated_in_this_frame);
static std::unique_ptr<NavigationState>
CreateForSameDocumentCommitFromBrowser(
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
mojom::Frame::CommitSameDocumentNavigationCallback
commit_same_document_callback);
static std::unique_ptr<NavigationState> CreateForSynchronousCommit();
// True iff the frame's navigation was within the same document.
bool WasWithinSameDocument();
bool IsForSynchronousCommit();
const blink::mojom::CommonNavigationParams& common_params() const {
return *common_params_;
}
const blink::mojom::CommitNavigationParams& commit_params() const {
return *commit_params_;
}
bool has_navigation_client() const { return navigation_client_.get(); }
void set_was_within_same_document(bool value) {
was_within_same_document_ = value;
}
bool was_initiated_in_this_frame() const {
return was_initiated_in_this_frame_;
}
void set_transition_type(ui::PageTransition transition) {
common_params_->transition = transition;
}
void RunCommitNavigationCallback(
mojom::DidCommitProvisionalLoadParamsPtr params,
mojom::DidCommitProvisionalLoadInterfaceParamsPtr interface_params);
void RunCommitSameDocumentNavigationCallback(
blink::mojom::CommitResult commit_result);
private:
NavigationState(blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
bool is_for_synchronous_commit,
content::mojom::NavigationClient::CommitNavigationCallback
commit_callback,
std::unique_ptr<NavigationClient> navigation_client,
mojom::Frame::CommitSameDocumentNavigationCallback
commit_same_document_callback,
bool was_initiated_in_this_frame);
bool was_within_same_document_;
// Indicates whether the navigation was initiated by the same RenderFrame
// it is about to commit in. An example would be a link click.
// A counter-example would be user typing in the url bar (browser-initiated
// navigation), or a link click leading to a process swap (different
// RenderFrame instance).
// Used to ensure consistent observer notifications about a navigation.
bool was_initiated_in_this_frame_;
// True if this navigation is for a renderer synchronous commit (e.g. the
// synchronous about:blank navigation, same-origin initiated same-document
// navigations), rather than using the browser's navigation stack.
const bool is_for_synchronous_commit_;
blink::mojom::CommonNavigationParamsPtr common_params_;
// Note: if IsContentInitiated() is false, whether this navigation should
// replace the current entry in the back/forward history list is determined by
// the should_replace_current_entry field in |history_params|. Otherwise, use
// replacesCurrentHistoryItem() on the WebDataSource.
//
// TODO(davidben): It would be good to unify these and have only one source
// for the two cases. We can plumb this through WebFrame::loadRequest to set
// lockBackForwardList on the FrameLoadRequest. However, this breaks process
// swaps because FrameLoader::loadWithNavigationAction treats loads before a
// FrameLoader has committedFirstRealDocumentLoad as a replacement. (Added for
// http://crbug.com/178380).
blink::mojom::CommitNavigationParamsPtr commit_params_;
// The NavigationClient interface gives control over the navigation ongoing in
// the browser process.
std::unique_ptr<NavigationClient> navigation_client_;
// Used to notify whether a commit request from the browser process was
// successful or not.
mojom::NavigationClient::CommitNavigationCallback commit_callback_;
// Used to notify whether a same document commit request from the browser
// process was successful or not.
mojom::Frame::CommitSameDocumentNavigationCallback
commit_same_document_callback_;
};
} // namespace content
#endif // CONTENT_RENDERER_NAVIGATION_STATE_H_