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// Copyright 2021 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_WEBUI_SEARCHBOX_REALBOX_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SEARCHBOX_REALBOX_HANDLER_H_
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "chrome/browser/ui/webui/searchbox/searchbox_handler.h"
#include "components/omnibox/browser/autocomplete_input.h"
#include "components/omnibox/browser/omnibox_popup_selection.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "ui/gfx/geometry/size.h"
#include "ui/webui/resources/cr_components/searchbox/searchbox.mojom.h"
class GURL;
class MetricsReporter;
class OmniboxController;
class Profile;
namespace content {
class WebContents;
} // namespace content
// An observer interface for changes to the WebUI Omnibox popup.
class OmniboxWebUIPopupChangeObserver : public base::CheckedObserver {
public:
// Called when a ResizeObserver detects the popup element changed size.
virtual void OnPopupElementSizeChanged(gfx::Size size) = 0;
};
// Handles bidirectional communication between NTP realbox JS and the browser.
class RealboxHandler : public SearchboxHandler {
public:
// Note: `omnibox_controller` may be null for the Realbox, in which case
// an internally owned controller is created and used.
RealboxHandler(
mojo::PendingReceiver<searchbox::mojom::PageHandler> pending_page_handler,
Profile* profile,
content::WebContents* web_contents,
MetricsReporter* metrics_reporter,
OmniboxController* omnibox_controller);
RealboxHandler(const RealboxHandler&) = delete;
RealboxHandler& operator=(const RealboxHandler&) = delete;
~RealboxHandler() override;
// Handle observers to be notified of WebUI changes.
void AddObserver(OmniboxWebUIPopupChangeObserver* observer);
void RemoveObserver(OmniboxWebUIPopupChangeObserver* observer);
bool HasObserver(const OmniboxWebUIPopupChangeObserver* observer) const;
// searchbox::mojom::PageHandler:
void DeleteAutocompleteMatch(uint8_t line, const GURL& url) override;
void ExecuteAction(uint8_t line,
uint8_t action_index,
const GURL& url,
base::TimeTicks match_selection_timestamp,
uint8_t mouse_button,
bool alt_key,
bool ctrl_key,
bool meta_key,
bool shift_key) override;
void PopupElementSizeChanged(const gfx::Size& size) override;
void OnThumbnailRemoved() override {}
void UpdateSelection(OmniboxPopupSelection old_selection,
OmniboxPopupSelection selection);
private:
base::ObserverList<OmniboxWebUIPopupChangeObserver> observers_;
// Size of the WebUI popup element, as reported by ResizeObserver.
gfx::Size webui_size_;
base::WeakPtrFactory<RealboxHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_SEARCHBOX_REALBOX_HANDLER_H_
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