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// Copyright 2024 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_AUTOFILL_AUTOFILL_POPUP_HIDE_HELPER_H_
#define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_HIDE_HELPER_H_
#include "base/functional/bind.h"
#include "base/scoped_observation.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/web_contents_observer.h"
#if !BUILDFLAG(IS_ANDROID)
#include "components/zoom/zoom_observer.h"
#endif // BUILDFLAG(IS_ANDROID)
namespace content {
class NavigationHandle;
class RenderFrameHost;
class RenderWidgetHost;
enum class Visibility;
class WebContents;
} // namespace content
namespace autofill {
enum class SuggestionHidingReason;
// AutofillPopupHideHelper is a class which detects events that should hide an
// Autofill Popup or any class that should have the same hiding behavior. The
// popup passes a `HidingCallback` in the constructor of the hiding helper,
// which will be called when a hiding event occurs. Note that some hiding events
// cannot be observed by this class because they are specific to the renderer,
// to suggestions, etc.
class AutofillPopupHideHelper : public content::WebContentsObserver,
public PictureInPictureWindowManager::Observer
#if !BUILDFLAG(IS_ANDROID)
,
public zoom::ZoomObserver
#endif // !BUILDFLAG(IS_ANDROID)
{
public:
// This is a `RepeatingCallback` because multiple hiding events can occur at
// the same time.
using HidingCallback = base::RepeatingCallback<void(SuggestionHidingReason)>;
using PictureInPictureDetectionCallback = base::RepeatingCallback<bool()>;
// This struct configures what type of events the helper should call the
// `hiding_callback_`.
struct HidingParams {
bool hide_on_web_contents_lost_focus = true;
};
AutofillPopupHideHelper(
content::WebContents* web_contents,
content::GlobalRenderFrameHostId rfh_id,
HidingParams hiding_params,
HidingCallback hiding_callback,
PictureInPictureDetectionCallback pip_detection_callback);
AutofillPopupHideHelper(const AutofillPopupHideHelper&) = delete;
AutofillPopupHideHelper& operator=(const AutofillPopupHideHelper&) = delete;
~AutofillPopupHideHelper() override;
private:
// content::WebContentsObserver:
void WebContentsDestroyed() override;
void OnWebContentsLostFocus(
content::RenderWidgetHost* render_widget_host) override;
void PrimaryMainFrameWasResized(bool width_changed) override;
void OnVisibilityChanged(content::Visibility visibility) override;
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
#if !BUILDFLAG(IS_ANDROID)
// ZoomObserver:
void OnZoomControllerDestroyed(zoom::ZoomController* source) override;
void OnZoomChanged(
const zoom::ZoomController::ZoomChangedEventData& data) override;
#endif
// PictureInPictureWindowManager::Observer
void OnEnterPictureInPicture() override;
const HidingParams hiding_params_;
const HidingCallback hiding_callback_;
// Returns true if the popup overlaps with a picture in picture window. It is
// called inside `OnEnterPictureInPicture()`.
const PictureInPictureDetectionCallback pip_detection_callback_;
// ID for the focused frame.
content::GlobalRenderFrameHostId rfh_id_;
#if !BUILDFLAG(IS_ANDROID)
base::ScopedObservation<zoom::ZoomController, zoom::ZoomObserver>
zoom_observation_{this};
#endif
// Observer needed to check autofill popup overlap with picture-in-picture
// window. It is guaranteed that there can only be one
// PictureInPictureWindowManager per Chrome instance, therefore, it is also
// guaranteed that PictureInPictureWindowManager would outlive its observers.
base::ScopedObservation<PictureInPictureWindowManager,
PictureInPictureWindowManager::Observer>
picture_in_picture_window_observation_{this};
};
} // namespace autofill
#endif // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_HIDE_HELPER_H_
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