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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_TABS_GLIC_NUDGE_CONTROLLER_H_
#define CHROME_BROWSER_UI_TABS_GLIC_NUDGE_CONTROLLER_H_
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/types/pass_key.h"
#include "chrome/browser/ui/tabs/glic_nudge_delegate.h"
#include "components/keyed_service/core/keyed_service.h"
class BrowserWindowInterface;
class ScopedWindowCallToAction;
namespace content {
class WebContents;
} // namespace content
namespace tabs {
// Enumerates the various user action for the Glic nudge.
enum class GlicNudgeActivity {
kNudgeShown,
kNudgeClicked,
kNudgeDismissed,
kNudgeNotShownWebContents,
kNudgeIgnoredActiveTabChanged,
kNudgeIgnoredNavigation,
kNudgeNotShownWindowCallToActionUI,
};
// Controller that mediates Glic Nudges and ensures that only the active tab is
// targeted.
class GlicNudgeController {
public:
using GlicNudgeActivityCallback =
base::RepeatingCallback<void(GlicNudgeActivity)>;
explicit GlicNudgeController(
BrowserWindowInterface* browser_window_interface);
GlicNudgeController(const GlicNudgeController&) = delete;
GlicNudgeController& operator=(const GlicNudgeController& other) = delete;
virtual ~GlicNudgeController();
void SetDelegate(GlicNudgeDelegate* delegate) { delegate_ = delegate; }
// Updates the `nudge_label` for `web_contents`, if the WebContents is active.
// The nudge will be removed from `web_contents` if `nudge_label` is empty.
// `activity` must be supplied iff. `nudge_label` is empty, to identify the
// reason of nudge removal.
void UpdateNudgeLabel(content::WebContents* web_contents,
const std::string& nudge_label,
std::optional<GlicNudgeActivity> activity,
GlicNudgeActivityCallback callback);
void OnNudgeActivity(GlicNudgeActivity activity);
void SetNudgeActivityCallbackForTesting();
private:
// Called when the active tab changes, to update the nudge UI appropriate for
// the tab.
void OnActiveTabChanged(BrowserWindowInterface* browser_interface);
// The BrowserWindowInterface that owns `this`.
const raw_ptr<BrowserWindowInterface> browser_window_interface_;
raw_ptr<GlicNudgeDelegate> delegate_ = nullptr;
// Callback to invoke for user actions on the nudge.
GlicNudgeActivityCallback nudge_activity_callback_;
std::vector<base::CallbackListSubscription> browser_subscriptions_;
std::unique_ptr<ScopedWindowCallToAction> scoped_window_call_to_action_ptr;
};
} // namespace tabs
#endif // CHROME_BROWSER_UI_TABS_GLIC_NUDGE_CONTROLLER_H_
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