cef/libcef/browser/browser_frame.h

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// Copyright 2021 The Chromium Embedded Framework Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_BROWSER_BROWSER_FRAME_H_
#define CEF_LIBCEF_BROWSER_BROWSER_FRAME_H_
#pragma once
#include "libcef/browser/frame_host_impl.h"
#include "libcef/browser/frame_service_base.h"
#include "cef/libcef/common/mojom/cef.mojom.h"
#include "mojo/public/cpp/bindings/binder_map.h"
// Implementation of the BrowserFrame mojo interface.
// This is implemented separately from CefFrameHostImpl to better manage the
// association with the RenderFrameHost (which may be speculative, etc.), and so
// that messages are always routed to the most appropriate CefFrameHostImpl
// instance. Lifespan is tied to the RFH via FrameServiceBase.
class CefBrowserFrame
: public content::FrameServiceBase<cef::mojom::BrowserFrame> {
public:
CefBrowserFrame(content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<cef::mojom::BrowserFrame> receiver);
CefBrowserFrame(const CefBrowserFrame&) = delete;
CefBrowserFrame& operator=(const CefBrowserFrame&) = delete;
~CefBrowserFrame() override;
// Called from the ContentBrowserClient method of the same name.
static void RegisterBrowserInterfaceBindersForFrame(
content::RenderFrameHost* render_frame_host,
mojo::BinderMapWithContext<content::RenderFrameHost*>* map);
private:
// cef::mojom::BrowserFrame methods:
void SendMessage(const std::string& name,
base::Value::List arguments) override;
void SendSharedMemoryRegion(const std::string& name,
base::WritableSharedMemoryRegion region) override;
void FrameAttached(mojo::PendingRemote<cef::mojom::RenderFrame> render_frame,
bool reattached) override;
void UpdateDraggableRegions(
absl::optional<std::vector<cef::mojom::DraggableRegionEntryPtr>> regions)
override;
// FrameServiceBase methods:
bool ShouldCloseOnFinishNavigation() const override { return false; }
CefRefPtr<CefFrameHostImpl> GetFrameHost(
bool prefer_speculative = false) const;
};
#endif // CEF_LIBCEF_BROWSER_BROWSER_FRAME_H_