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// 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.
#ifndef CHROME_BROWSER_DOM_DISTILLER_TEST_DISTILLATION_OBSERVERS_H_
#define CHROME_BROWSER_DOM_DISTILLER_TEST_DISTILLATION_OBSERVERS_H_
#include "base/run_loop.h"
#include "content/public/browser/web_contents_observer.h"
namespace dom_distiller {
// Helper class that blocks test execution until |observed_contents| enters a
// certain state. Subclasses specify the precise state by calling
// |Stop()| when |observed_contents| is ready.
class NavigationObserver : public content::WebContentsObserver {
public:
explicit NavigationObserver(content::WebContents* observed_contents) {
content::WebContentsObserver::Observe(observed_contents);
}
void WaitUntilFinishedLoading() { new_url_loaded_runner_.Run(); }
protected:
void Stop() { new_url_loaded_runner_.Quit(); }
private:
base::RunLoop new_url_loaded_runner_;
};
class OriginalPageNavigationObserver : public NavigationObserver {
public:
using NavigationObserver::NavigationObserver;
private:
void DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) override;
};
// DistilledPageObserver is used to detect if a distilled page has
// finished loading. This is done by checking how many times the title has
// been set rather than using "DidFinishLoad" directly due to the content
// being set by JavaScript.
class DistilledPageObserver : public NavigationObserver {
public:
using NavigationObserver::NavigationObserver;
private:
void DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) override;
void TitleWasSet(content::NavigationEntry* entry) override;
// DidFinishLoad() can come after the two title settings.
void MaybeNotifyLoaded();
int title_set_count_ = 0;
bool loaded_distiller_page_ = false;
};
} // namespace dom_distiller
#endif // CHROME_BROWSER_DOM_DISTILLER_TEST_DISTILLATION_OBSERVERS_H_
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