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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.
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/ui/actions/chrome_action_id.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_element_identifiers.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/toolbar_button_provider.h"
#include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
#include "chrome/browser/ui/views/page_action/page_action_icon_view.h"
#include "chrome/browser/ui/views/page_action/page_action_view.h"
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "chrome/test/interaction/interactive_browser_test.h"
#include "components/zoom/zoom_controller.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/page_zoom.h"
#include "content/public/test/browser_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/base/interaction/state_observer.h"
#include "ui/base/models/image_model.h"
#include "ui/views/view.h"
#include "ui/views/view_class_properties.h"
namespace zoom {
namespace {
class ZoomViewInteractiveUiTest : public InteractiveBrowserTest {
public:
ZoomViewInteractiveUiTest() {
scoped_feature_list_.InitAndEnableFeatureWithParameters(
features::kPageActionsMigration,
{{features::kPageActionsMigrationZoom.name, "true"}});
}
ZoomViewInteractiveUiTest(const ZoomViewInteractiveUiTest&) = delete;
ZoomViewInteractiveUiTest& operator=(const ZoomViewInteractiveUiTest&) =
delete;
~ZoomViewInteractiveUiTest() override = default;
protected:
int GetZoomPercent() {
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
return ZoomController::FromWebContents(web_contents)->GetZoomPercent();
}
void SetZoomLevel(content::PageZoom zoom_level) {
chrome::Zoom(browser(), zoom_level);
}
auto DoZoomIn() {
return Do([&]() { SetZoomLevel(content::PAGE_ZOOM_IN); });
}
auto DoZoomOut() {
return Do([&]() { SetZoomLevel(content::PAGE_ZOOM_OUT); });
}
auto DoZoomReset() {
return Do([&]() { SetZoomLevel(content::PAGE_ZOOM_RESET); });
}
auto WaitForZoomBubbleShow() { return WaitForZoomBubble(/*visible=*/true); }
auto WaitForZoomBubbleHide() { return WaitForZoomBubble(/*visible=*/false); }
MultiStep WaitForZoomBubble(bool visible) {
DEFINE_LOCAL_STATE_IDENTIFIER_VALUE(ui::test::PollingStateObserver<bool>,
kZoomBubbleVisible);
return Steps(PollState(kZoomBubbleVisible,
[&, visible]() {
bool is_visible =
ZoomBubbleView::GetZoomBubble() != nullptr;
return is_visible == visible;
}),
WaitForState(kZoomBubbleVisible, true),
StopObservingState(kZoomBubbleVisible));
}
base::test::ScopedFeatureList scoped_feature_list_;
};
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest, ZoomStateUpdates) {
// We'll store the zoom-in image so we can compare it later to the zoom-out
// image.
ui::ImageModel zoom_in_image;
RunTestSequence(
WaitForZoomBubbleHide(), DoZoomIn(),
WaitForShow(kActionItemZoomElementId),
CheckViewProperty(kActionItemZoomElementId,
&page_actions::PageActionView::GetTooltipText,
u"Zoom: 110%"),
CheckResult([&]() { return GetZoomPercent(); }, testing::Eq(110)),
WithView(kActionItemZoomElementId,
[&](page_actions::PageActionView* page_action_view) {
zoom_in_image =
page_action_view
->GetImageModel(views::Button::STATE_NORMAL)
.value();
}),
WaitForZoomBubbleShow(), DoZoomReset(), WaitForZoomBubbleShow(),
CheckResult([&]() { return GetZoomPercent(); }, testing::Eq(100)),
DoZoomOut(), WaitForShow(kActionItemZoomElementId),
CheckViewProperty(kActionItemZoomElementId,
&page_actions::PageActionView::GetTooltipText,
u"Zoom: 90%"),
CheckResult([&]() { return GetZoomPercent(); }, testing::Eq(90)),
CheckView(kActionItemZoomElementId,
[&](page_actions::PageActionView* page_action_view) {
return page_action_view
->GetImageModel(views::Button::STATE_NORMAL)
.value() != zoom_in_image;
}),
WaitForZoomBubbleShow());
}
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest,
ShowAndHideZoomBubbleByClickWithMouse) {
RunTestSequence(WaitForZoomBubbleHide(), DoZoomIn(),
WaitForShow(kActionItemZoomElementId),
MoveMouseTo(kActionItemZoomElementId), ClickMouse(),
WaitForZoomBubbleShow(),
MoveMouseTo(kActionItemZoomElementId), ClickMouse(),
WaitForZoomBubbleHide(),
MoveMouseTo(kActionItemZoomElementId), ClickMouse(),
WaitForZoomBubbleShow());
}
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest,
ShowAndHideZoomBubbleByClickWithKeyboardPress) {
RunTestSequence(
WaitForZoomBubbleHide(), DoZoomIn(),
WaitForShow(kActionItemZoomElementId),
PressButton(kActionItemZoomElementId), WaitForZoomBubbleShow(),
PressButton(kActionItemZoomElementId), WaitForZoomBubbleHide(),
PressButton(kActionItemZoomElementId), WaitForZoomBubbleShow());
}
// Verifies that after a "Reset", and then after the closing of the
// bubble, the page-action icon disappears immediately.
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest,
IconHidesAfterResetAndBubbleClose) {
RunTestSequence(
WaitForZoomBubbleHide(), DoZoomIn(),
WaitForShow(kActionItemZoomElementId),
MoveMouseTo(kActionItemZoomElementId), ClickMouse(),
WaitForZoomBubbleShow(), DoZoomReset(),
CheckResult([&] { return GetZoomPercent(); }, testing::Eq(100)),
WaitForZoomBubbleShow(), MoveMouseTo(kActionItemZoomElementId),
ClickMouse(), WaitForZoomBubbleHide(),
WaitForHide(kActionItemZoomElementId));
}
// Verifies that if the user resets to 100 % *without* opening the bubble
// first, the icon is hidden right after the reset, independent of the
// bubble’s existence.
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest,
IconHidesImmediatelyAfterProgrammaticReset) {
RunTestSequence(WaitForZoomBubbleHide(), DoZoomIn(),
WaitForShow(kActionItemZoomElementId), DoZoomReset(),
WaitForHide(kActionItemZoomElementId),
WaitForZoomBubbleHide());
}
// Verifies that the icon remains hidden after an auto-closed bubble at
// default zoom.
IN_PROC_BROWSER_TEST_F(ZoomViewInteractiveUiTest,
IconStaysHiddenAfterAutoCloseAtDefaultZoom) {
RunTestSequence(WaitForZoomBubbleHide(), DoZoomIn(),
MoveMouseTo(kActionItemZoomElementId), ClickMouse(),
WaitForZoomBubbleShow(), DoZoomReset(),
CheckResult([&] { return GetZoomPercent(); }, 100),
WaitForZoomBubbleHide(),
WaitForHide(kActionItemZoomElementId));
}
} // namespace
} // namespace zoom
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