mirror of
https://github.com/kunkundi/crossdesk.git
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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-10-17
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _INSTANCE_ACTIVATION_H_
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#define _INSTANCE_ACTIVATION_H_
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <cstdint>
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#endif
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#include <string>
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namespace crossdesk::platform {
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// Created only by the interactive GUI, on its event-loop thread. Requests can
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// arrive during startup and remain pending until the UI is ready to show
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// itself.
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class InstanceActivationReceiver {
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public:
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explicit InstanceActivationReceiver(std::string application = "CrossDesk");
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~InstanceActivationReceiver();
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InstanceActivationReceiver(const InstanceActivationReceiver&) = delete;
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InstanceActivationReceiver& operator=(const InstanceActivationReceiver&) =
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delete;
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// The caller must hold this application's client single-instance lease.
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bool Start(std::string& error);
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bool TakeRequest(std::string* activation_token = nullptr);
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private:
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std::string application_;
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#ifdef _WIN32
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static LRESULT CALLBACK WindowProc(HWND window, UINT message, WPARAM wparam,
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LPARAM lparam);
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HWND window_ = nullptr;
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UINT activation_message_ = 0;
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bool requested_ = false;
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#else
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int socket_ = -1;
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std::string socket_path_;
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std::uint64_t socket_device_ = 0;
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std::uint64_t socket_inode_ = 0;
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#endif
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};
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// Targets the current user's GUI on the current desktop, including a daemon
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// child. Waits briefly for startup/restart, without waiting on its UI thread.
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bool RequestInstanceActivation(std::string& error,
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const std::string& application = "CrossDesk");
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} // namespace crossdesk::platform
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#endif
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