60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
// Copyright (c) 2022 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_COMMON_PROCESS_MESSAGE_SMR_IMPL_H_
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#define CEF_LIBCEF_COMMON_PROCESS_MESSAGE_SMR_IMPL_H_
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#pragma once
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#include "include/cef_process_message.h"
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#include "include/cef_shared_process_message_builder.h"
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#include "base/memory/writable_shared_memory_region.h"
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class CefProcessMessageSMRImpl final : public CefProcessMessage {
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public:
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CefProcessMessageSMRImpl(const CefString& name,
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base::WritableSharedMemoryRegion&& region);
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CefProcessMessageSMRImpl(const CefProcessMessageSMRImpl&) = delete;
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CefProcessMessageSMRImpl& operator=(const CefProcessMessageSMRImpl&) = delete;
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~CefProcessMessageSMRImpl() override;
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// CefProcessMessage methods.
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bool IsValid() override;
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bool IsReadOnly() override { return true; }
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CefRefPtr<CefProcessMessage> Copy() override { return nullptr; }
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CefString GetName() override;
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CefRefPtr<CefListValue> GetArgumentList() override { return nullptr; }
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CefRefPtr<CefSharedMemoryRegion> GetSharedMemoryRegion() override;
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[[nodiscard]] base::WritableSharedMemoryRegion TakeRegion();
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private:
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const CefString name_;
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base::WritableSharedMemoryRegion region_;
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IMPLEMENT_REFCOUNTING(CefProcessMessageSMRImpl);
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};
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class CefSharedProcessMessageBuilderImpl final
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: public CefSharedProcessMessageBuilder {
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public:
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CefSharedProcessMessageBuilderImpl(const CefString& name, size_t byte_size);
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CefSharedProcessMessageBuilderImpl(const CefProcessMessageSMRImpl&) = delete;
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CefSharedProcessMessageBuilderImpl& operator=(
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const CefSharedProcessMessageBuilderImpl&) = delete;
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bool IsValid() override;
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size_t Size() override;
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void* Memory() override;
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CefRefPtr<CefProcessMessage> Build() override;
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private:
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const CefString name_;
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base::WritableSharedMemoryRegion region_;
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base::WritableSharedMemoryMapping mapping_;
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IMPLEMENT_REFCOUNTING(CefSharedProcessMessageBuilderImpl);
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};
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#endif // CEF_LIBCEF_COMMON_PROCESS_MESSAGE_SMR_IMPL_H_
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