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content / browser / attribution_reporting / test / source_observer.h [blame]
// Copyright 2020 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_BROWSER_ATTRIBUTION_REPORTING_TEST_SOURCE_OBSERVER_H_
#define CONTENT_BROWSER_ATTRIBUTION_REPORTING_TEST_SOURCE_OBSERVER_H_
#include <stddef.h>
#include <optional>
#include "base/run_loop.h"
#include "content/public/test/test_navigation_observer.h"
#include "third_party/blink/public/common/navigation/impression.h"
namespace content {
class WebContents;
// WebContentsObserver that waits until a source is available on a
// navigation handle for a finished navigation.
class SourceObserver : public TestNavigationObserver {
public:
explicit SourceObserver(WebContents* contents, size_t num_impressions = 1u);
~SourceObserver() override;
// WebContentsObserver:
void OnDidFinishNavigation(NavigationHandle*) override;
const blink::Impression& last_impression() const { return *last_impression_; }
// Waits for |expected_num_impressions_| navigations with impressions, and
// returns the last impression.
const blink::Impression& Wait();
bool WaitForNavigationWithNoImpression();
private:
size_t num_impressions_ = 0u;
const size_t expected_num_impressions_ = 0u;
std::optional<blink::Impression> last_impression_;
bool waiting_for_null_impression_ = false;
base::RunLoop impression_loop_;
};
} // namespace content
#endif // CONTENT_BROWSER_ATTRIBUTION_REPORTING_TEST_SOURCE_OBSERVER_H_