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// Copyright 2025 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_UI_VIEWS_TEST_SPLIT_VIEW_INTERACTIVE_TEST_MIXIN_H_
#define CHROME_BROWSER_UI_VIEWS_TEST_SPLIT_VIEW_INTERACTIVE_TEST_MIXIN_H_
#include <concepts>
#include "base/test/bind.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_element_identifiers.h"
#include "chrome/browser/ui/tabs/split_tab_metrics.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/views/frame/multi_contents_resize_area.h"
#include "chrome/browser/ui/views/frame/multi_contents_view.h"
#include "chrome/browser/ui/views/test/split_view_browser_test_mixin.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/interaction/interaction_test_util_browser.h"
#include "chrome/test/interaction/interactive_browser_test.h"
#include "components/tabs/public/split_tab_visual_data.h"
#include "ui/base/interaction/interactive_test.h"
// Template to be used as a mixin class for split tabs tests extending
// InProcessBrowserTest.
template <typename T>
requires(std::derived_from<T, InProcessBrowserTest>)
class SplitViewInteractiveTestMixin : public SplitViewBrowserTestMixin<T> {
public:
template <class... Args>
explicit SplitViewInteractiveTestMixin(Args&&... args)
: SplitViewBrowserTestMixin<T>(std::forward<Args>(args)...) {}
auto EnterSplitView(int active_tab,
std::optional<int> other_tab = std::nullopt) {
// MultiContentsView overrides Layout, causing an edge case where the
// resize area gets set to visible but doesn't gain nonzero size until the
// next layout pass. Use PollView and WaitForState to wait for a nonzero
// size, rather than just visible = true.
using ResizeAreaLoadObserver =
views::test::PollingViewObserver<bool, MultiContentsResizeArea>;
DEFINE_LOCAL_STATE_IDENTIFIER_VALUE(ResizeAreaLoadObserver,
kResizeLoadObserver);
auto result = SplitViewBrowserTestMixin<T>::Steps(
SplitViewBrowserTestMixin<T>::SelectTab(kTabStripElementId, active_tab),
SplitViewBrowserTestMixin<T>::Do([&, other_tab]() {
if (other_tab.has_value()) {
SplitViewBrowserTestMixin<T>::browser()
->tab_strip_model()
->AddToNewSplit(
{other_tab.value()}, split_tabs::SplitTabVisualData(),
split_tabs::SplitTabCreatedSource::kToolbarButton);
} else {
chrome::NewSplitTab(
SplitViewBrowserTestMixin<T>::browser(),
split_tabs::SplitTabCreatedSource::kToolbarButton);
}
}),
SplitViewBrowserTestMixin<T>::PollView(
kResizeLoadObserver,
MultiContentsResizeArea::kMultiContentsResizeAreaElementId,
[](const MultiContentsResizeArea* resize_area) -> bool {
return resize_area->size().width() > 0 &&
resize_area->size().height() > 0;
}),
SplitViewBrowserTestMixin<T>::WaitForState(kResizeLoadObserver, true));
SplitViewBrowserTestMixin<T>::AddDescriptionPrefix(result,
"EnterSplitView()");
return result;
}
auto ExitSplitView(int index) {
auto result = SplitViewBrowserTestMixin<T>::Steps(
SplitViewBrowserTestMixin<T>::Check([index, this]() {
return SplitViewBrowserTestMixin<T>::browser()
->tab_strip_model()
->GetSplitForTab(index)
.has_value();
}),
SplitViewBrowserTestMixin<T>::Do([index, this]() {
auto split_id = SplitViewBrowserTestMixin<T>::browser()
->tab_strip_model()
->GetSplitForTab(index);
SplitViewBrowserTestMixin<T>::browser()
->tab_strip_model()
->RemoveSplit(split_id.value());
}),
SplitViewBrowserTestMixin<T>::WaitForHide(
MultiContentsResizeArea::kMultiContentsResizeAreaElementId),
SplitViewBrowserTestMixin<T>::Check([this]() {
return SplitViewBrowserTestMixin<T>::multi_contents_view()
->GetInactiveContentsView()
->GetVisible();
}));
SplitViewBrowserTestMixin<T>::AddDescriptionPrefix(result,
"ExitSplitView()");
return result;
}
auto FocusInactiveTabInSplit() {
auto result = SplitViewBrowserTestMixin<T>::Steps(
SplitViewBrowserTestMixin<T>::MoveMouseTo(
base::BindLambdaForTesting([this]() {
return SplitViewBrowserTestMixin<T>::multi_contents_view()
->GetInactiveContentsView()
->GetBoundsInScreen()
.CenterPoint();
})),
SplitViewBrowserTestMixin<T>::ClickMouse());
SplitViewBrowserTestMixin<T>::AddDescriptionPrefix(
result, "FocusInactiveTabInSplit()");
return result;
}
};
#endif // CHROME_BROWSER_UI_VIEWS_TEST_SPLIT_VIEW_INTERACTIVE_TEST_MIXIN_H_
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