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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/preloading/preview/preview_test_util.h"
#include "base/run_loop.h"
#include "chrome/browser/preloading/preview/preview_manager.h"
#include "content/public/browser/web_contents_observer.h"
#include "third_party/blink/public/common/features.h"
namespace test {
namespace {
class EventWaiter final : public PreviewTestHelper::Waiter,
public content::WebContentsObserver {
public:
enum class Event {
kLoad,
kActivation,
kClose,
};
EventWaiter(content::WebContents* web_contents, Event event)
: WebContentsObserver(web_contents), event_(event) {
CHECK(web_contents);
if (event == Event::kLoad) {
done_ = !web_contents->IsLoading();
}
}
// PreviewtestHelper::Waiter:
void Wait() override {
if (!done_) {
run_loop_.Run();
}
}
private:
// content::WebContentsObserver:
void DocumentOnLoadCompletedInPrimaryMainFrame() override {
if (event_ == Event::kLoad) {
run_loop_.Quit();
}
}
void DidActivatePreviewedPage(base::TimeTicks activation_time) override {
if (event_ == Event::kActivation) {
run_loop_.Quit();
}
}
void WebContentsDestroyed() override {
if (event_ == Event::kClose) {
run_loop_.Quit();
}
}
base::RunLoop run_loop_;
Event event_;
bool done_ = false;
};
} // namespace
ScopedPreviewFeatureList::ScopedPreviewFeatureList() {
feature_list_.InitAndEnableFeature(blink::features::kLinkPreview);
}
PreviewTestHelper::PreviewTestHelper(const content::WebContents::Getter& fn)
: get_web_contents_fn_(fn) {}
PreviewTestHelper::~PreviewTestHelper() = default;
base::WeakPtr<content::WebContents>
PreviewTestHelper::GetWebContentsForPreviewTab() {
return GetManager().GetWebContentsForPreviewTab();
}
void PreviewTestHelper::InitiatePreview(const GURL& url) {
GetManager().InitiatePreview(url);
}
void PreviewTestHelper::PromoteToNewTab() {
GetManager().PromoteToNewTab();
}
void PreviewTestHelper::WaitUntilLoadFinished() {
base::WeakPtr<content::WebContents> web_contents =
GetManager().GetWebContentsForPreviewTab();
EventWaiter event_waiter(web_contents.get(), EventWaiter::Event::kLoad);
event_waiter.Wait();
}
PreviewTestHelper::Waiter PreviewTestHelper::CreateActivationWaiter() {
base::WeakPtr<content::WebContents> web_contents =
GetManager().GetWebContentsForPreviewTab();
return EventWaiter(web_contents.get(), EventWaiter::Event::kActivation);
}
void PreviewTestHelper::CloseAndWaitUntilFinished() {
base::WeakPtr<content::WebContents> web_contents =
GetManager().GetWebContentsForPreviewTab();
EventWaiter event_waiter(web_contents.get(), EventWaiter::Event::kClose);
GetManager().CloseForTesting();
event_waiter.Wait();
}
PreviewManager& PreviewTestHelper::GetManager() {
content::WebContents* web_contents = get_web_contents_fn_.Run();
CHECK(web_contents);
PreviewManager::CreateForWebContents(web_contents);
PreviewManager* manager = PreviewManager::FromWebContents(web_contents);
CHECK(manager);
return *manager;
}
} // namespace test
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