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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_GLIC_HOST_GLIC_PAGE_HANDLER_H_
#define CHROME_BROWSER_GLIC_HOST_GLIC_PAGE_HANDLER_H_
#include <vector>
#include "base/callback_list.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/glic/host/glic.mojom.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace content {
class BrowserContext;
class RenderFrameHost;
class WebContents;
} // namespace content
namespace gfx {
class Size;
} // namespace gfx
namespace glic {
class GlicKeyedService;
class GlicWebClientHandler;
// Handles the Mojo requests coming from the Glic WebUI.
class GlicPageHandler : public glic::mojom::PageHandler {
public:
GlicPageHandler(content::WebContents* webui_contents,
mojo::PendingReceiver<glic::mojom::PageHandler> receiver,
mojo::PendingRemote<glic::mojom::Page> page);
GlicPageHandler(const GlicPageHandler&) = delete;
GlicPageHandler& operator=(const GlicPageHandler&) = delete;
~GlicPageHandler() override;
content::WebContents* webui_contents() { return webui_contents_; }
void NotifyWindowIntentToShow();
// Returns the main frame of the guest view that lives within this WebUI. May
// be null.
content::RenderFrameHost* GetGuestMainFrame();
// glic::mojom::PageHandler implementation.
void CreateWebClient(::mojo::PendingReceiver<glic::mojom::WebClientHandler>
web_client_receiver) override;
void PrepareForClient(base::OnceCallback<void(mojom::PrepareForClientResult)>
callback) override;
// Called whenever the webview main frame commits.
void WebviewCommitted(const GURL& origin) override;
void ClosePanel() override;
void SignInAndClosePanel() override;
void ResizeWidget(const gfx::Size& size,
base::TimeDelta duration,
ResizeWidgetCallback callback) override;
void EnableDragResize(bool enabled) override;
void WebUiStateChanged(glic::mojom::WebUiState new_state) override;
private:
void AllowedChanged();
GlicKeyedService* GetGlicService();
// There should at most one WebClientHandler at a time. A new one is created
// each time the webview loads a page.
std::unique_ptr<GlicWebClientHandler> web_client_handler_;
raw_ptr<content::WebContents> webui_contents_;
raw_ptr<content::BrowserContext> browser_context_;
mojo::Receiver<glic::mojom::PageHandler> receiver_;
mojo::Remote<glic::mojom::Page> page_;
mojo::Remote<glic::mojom::WebClient> web_client_;
std::vector<base::CallbackListSubscription> subscriptions_;
base::WeakPtrFactory<GlicPageHandler> weak_ptr_factory_{this};
};
} // namespace glic
#endif // CHROME_BROWSER_GLIC_HOST_GLIC_PAGE_HANDLER_H_
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