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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file defines the interface class OmniboxPopupView. Each toolkit
// will implement the popup view differently, so that code is inherently
// platform specific. However, the OmniboxPopupModel needs to do some
// communication with the view. Since the model is shared between platforms,
// we need to define an interface that all view implementations will share.
#ifndef COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_VIEW_H_
#define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_VIEW_H_
#include <stddef.h>
#include <string_view>
#include "base/callback_list.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "components/omnibox/browser/omnibox_popup_selection.h"
class OmniboxController;
class OmniboxEditModel;
namespace ui {
struct AXNodeData;
}
class OmniboxPopupView {
public:
explicit OmniboxPopupView(OmniboxController* controller);
virtual ~OmniboxPopupView();
virtual OmniboxEditModel* model();
virtual const OmniboxEditModel* model() const;
virtual OmniboxController* controller();
virtual const OmniboxController* controller() const;
// Returns true if the popup is currently open.
virtual bool IsOpen() const = 0;
// Invalidates one line of the autocomplete popup.
virtual void InvalidateLine(size_t line) = 0;
// Invoked when the selection changes. The |line| field in either selection
// may be OmniboxPopupSelection::kNoMatch. This method is invoked by the
// model.
virtual void OnSelectionChanged(OmniboxPopupSelection old_selection,
OmniboxPopupSelection new_selection) {}
// Redraws the popup window to match any changes in the result set; this may
// mean opening or closing the window.
virtual void UpdatePopupAppearance() = 0;
// Called to inform result view of button focus.
virtual void ProvideButtonFocusHint(size_t line) = 0;
// Notification that the icon used for the given match has been updated.
virtual void OnMatchIconUpdated(size_t match_index) = 0;
// This method is called when the view should cancel any active drag (e.g.
// because the user pressed ESC). The view may or may not need to take any
// action (e.g. releasing mouse capture). Note that this can be called when
// no drag is in progress.
virtual void OnDragCanceled() = 0;
// Popup equivalent of GetAccessibleNodeData, used only by a unit test.
virtual void GetPopupAccessibleNodeData(ui::AXNodeData* node_data) const = 0;
// Returns result view button text. This is currently only needed by a single
// unit test and it would be better to eliminate it than to increase usage.
virtual std::u16string_view GetAccessibleButtonTextForResult(
size_t line) const;
// Updates the result and header views based on the visibility of their group.
virtual void SetSuggestionGroupVisibility(size_t match_index,
bool suggestion_group_hidden) {}
// Adds a callback that will be called when the popup window becomes visible.
base::CallbackListSubscription AddOpenListener(
base::RepeatingClosure callback);
protected:
// Call when the popup will appear to notify listeners.
void NotifyOpenListeners();
private:
base::RepeatingClosureList on_popup_callbacks_;
// Owned by OmniboxView which owns this.
const raw_ptr<OmniboxController> controller_;
};
#endif // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_POPUP_VIEW_H_
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