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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MESSAGE_HANDLER_H_
#define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MESSAGE_HANDLER_H_
#include <stddef.h>
#include <stdint.h>
#include <string>
#include "base/values.h"
#include "components/guest_view/common/guest_view.mojom.h"
#include "content/public/browser/child_process_id.h"
#include "content/public/browser/global_routing_id.h"
namespace content {
class BrowserContext;
}
namespace guest_view {
class GuestViewManager;
class GuestViewManagerDelegate;
class GuestViewMessageHandler : public mojom::GuestViewHost {
public:
GuestViewMessageHandler(const GuestViewMessageHandler&) = delete;
GuestViewMessageHandler& operator=(const GuestViewMessageHandler&) = delete;
~GuestViewMessageHandler() override;
protected:
explicit GuestViewMessageHandler(
const content::GlobalRenderFrameHostId& frame_id);
content::ChildProcessId render_process_id() const {
return content::ChildProcessId(frame_id_.child_id);
}
const content::GlobalRenderFrameHostId frame_id_;
private:
// Returns the GuestViewManager for the BrowserContext of our associated
// render process if one already exists, otherwise creates and returns one.
GuestViewManager* GetOrCreateGuestViewManager();
// Returns the GuestViewManager for the BrowserContext of our associated
// render process if it exists. Callers consider the renderer to be
// misbehaving if we don't have a GuestViewManager at this point, in which
// case we kill the renderer and return nullptr.
GuestViewManager* GetGuestViewManagerOrKill();
virtual std::unique_ptr<GuestViewManagerDelegate>
CreateGuestViewManagerDelegate() const;
content::BrowserContext* GetBrowserContext() const;
// mojom::GuestViewHost
void AttachToEmbedderFrame(int element_instance_id,
int guest_instance_id,
base::Value::Dict params,
AttachToEmbedderFrameCallback callback) override;
void ViewCreated(int view_instance_id,
const std::string& view_type,
mojo::PendingReceiver<mojom::ViewHandle> receiver) override;
};
} // namespace guest_view
#endif // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MESSAGE_HANDLER_H_
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