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// Copyright 2019 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_TEST_DID_COMMIT_NAVIGATION_INTERCEPTOR_H_
#define CONTENT_TEST_DID_COMMIT_NAVIGATION_INTERCEPTOR_H_
#include <map>
#include <memory>
#include "base/run_loop.h"
#include "content/common/frame.mojom.h"
#include "content/public/browser/web_contents_observer.h"
namespace content {
class RenderFrameHost;
class NavigationRequest;
// Allows intercepting calls to RenderFrameHostImpl::DidCommitNavigation just
// before they are processed by the implementation. This enables unit/browser
// tests to scrutinize/alter the parameters, or simulate race conditions by
// triggering other calls just before processing DidCommitProvisionalLoad.
class DidCommitNavigationInterceptor : public WebContentsObserver {
public:
// Constructs an instance that will intercept DidCommitProvisionalLoad calls
// in any frame of the |web_contents| while the instance is in scope.
explicit DidCommitNavigationInterceptor(WebContents* web_contents);
DidCommitNavigationInterceptor(const DidCommitNavigationInterceptor&) =
delete;
DidCommitNavigationInterceptor& operator=(
const DidCommitNavigationInterceptor&) = delete;
~DidCommitNavigationInterceptor() override;
// Called just before DidCommitNavigation with |navigation_request|, |params|
// and |interface_provider_request| would be processed by |render_frame_host|.
// Return false to cancel the processing of this call by |render_frame_host|.
// |params| and |interface_params| can be modified. When returning false, they
// can also be consumed, they won't be used anymore by the caller.
virtual bool WillProcessDidCommitNavigation(
RenderFrameHost* render_frame_host,
NavigationRequest* navigation_request,
mojom::DidCommitProvisionalLoadParamsPtr* params,
mojom::DidCommitProvisionalLoadInterfaceParamsPtr* interface_params) = 0;
private:
class FrameAgent;
// WebContentsObserver:
void RenderFrameCreated(RenderFrameHost* render_frame_host) override;
void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
std::map<RenderFrameHost*, std::unique_ptr<FrameAgent>> frame_agents_;
};
} // namespace content
#endif // CONTENT_TEST_DID_COMMIT_NAVIGATION_INTERCEPTOR_H_
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