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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
#define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
#include "base/memory/ref_counted.h"
#include "content/browser/frame_host/navigation_controller_impl.h"
#include "content/browser/frame_host/navigator.h"
#include "content/common/content_export.h"
namespace content {
class NavigationControllerImpl;
class NavigatorDelegate;
struct LoadCommittedDetails;
// This class is an implementation of Navigator, responsible for managing
// navigations in regular browser tabs.
class CONTENT_EXPORT NavigatorImpl : public Navigator {
public:
NavigatorImpl(NavigationControllerImpl* navigation_controller,
NavigatorDelegate* delegate);
// Navigator implementation.
virtual NavigationController* GetController() OVERRIDE;
virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
int parent_routing_id,
const GURL& url) OVERRIDE;
virtual void DidFailProvisionalLoadWithError(
RenderFrameHostImpl* render_frame_host,
const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
OVERRIDE;
virtual void DidFailLoadWithError(
RenderFrameHostImpl* render_frame_host,
const GURL& url,
int error_code,
const base::string16& error_description) OVERRIDE;
virtual void DidRedirectProvisionalLoad(
RenderFrameHostImpl* render_frame_host,
int32 page_id,
const GURL& source_url,
const GURL& target_url) OVERRIDE;
virtual void DidNavigate(
RenderFrameHostImpl* render_frame_host,
const FrameHostMsg_DidCommitProvisionalLoad_Params&
input_params) OVERRIDE;
virtual bool NavigateToPendingEntry(
RenderFrameHostImpl* render_frame_host,
NavigationController::ReloadType reload_type) OVERRIDE;
virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
const GURL& url,
const Referrer& referrer,
WindowOpenDisposition disposition,
bool should_replace_current_entry,
bool user_gesture) OVERRIDE;
virtual void RequestTransferURL(
RenderFrameHostImpl* render_frame_host,
const GURL& url,
const std::vector<GURL>& redirect_chain,
const Referrer& referrer,
PageTransition page_transition,
WindowOpenDisposition disposition,
const GlobalRequestID& transferred_global_request_id,
bool should_replace_current_entry,
bool user_gesture) OVERRIDE;
private:
virtual ~NavigatorImpl() {}
// Navigates to the given entry, which must be the pending entry. Private
// because all callers should use NavigateToPendingEntry.
bool NavigateToEntry(
RenderFrameHostImpl* render_frame_host,
const NavigationEntryImpl& entry,
NavigationController::ReloadType reload_type);
bool ShouldAssignSiteForURL(const GURL& url);
// The NavigationController that will keep track of session history for all
// RenderFrameHost objects using this NavigatorImpl.
// TODO(nasko): Move ownership of the NavigationController from
// WebContentsImpl to this class.
NavigationControllerImpl* controller_;
// Used to notify the object embedding this Navigator about navigation
// events. Can be NULL in tests.
NavigatorDelegate* delegate_;
// System time at which the current load was started.
base::TimeTicks current_load_start_;
DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
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