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79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-09-25
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _CLIPBOARD_CONTROLLER_H_
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#define _CLIPBOARD_CONTROLLER_H_
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#include <atomic>
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#include <cstddef>
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#include <cstdint>
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#include <functional>
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#include <memory>
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#include <mutex>
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#include <optional>
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#include <string>
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#include <unordered_map>
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namespace crossdesk::gui_detail {
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struct RemoteSession;
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}
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namespace crossdesk {
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class GuiRuntime;
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class PeerEventHandler;
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// Owns clipboard synchronization state and keeps feedback-loop prevention out
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// of the main UI coordinator.
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class ClipboardController {
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public:
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explicit ClipboardController(GuiRuntime &owner);
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void SetEventType(uint32_t event_type);
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uint32_t event_type() const;
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void Initialize();
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void Shutdown();
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void QueueRemoteText(const char* data, size_t size,
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const std::string& remote_id = {},
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std::function<void(bool)> complete = {},
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std::function<bool()> allowed = {});
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void ApplyPendingRemoteText();
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void HandleLocalUpdate();
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void ReceiveWeb(const char* data, size_t size, const std::string& remote_id,
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PeerEventHandler* source);
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void ForgetWeb(const std::string& remote_id);
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private:
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struct WebSession;
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bool WebSessionActive(const std::string& remote_id,
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const std::shared_ptr<WebSession>& session);
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int SendToController(const std::string& remote_id, const std::string& text);
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int SendToPeers(const std::string &text);
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void SendDeferredLocalText();
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GuiRuntime &owner_;
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uint32_t event_type_ = 0;
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std::atomic<bool> events_enabled_{false};
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std::mutex pending_mutex_;
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std::optional<std::string> pending_remote_text_;
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std::string pending_remote_id_;
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std::weak_ptr<gui_detail::RemoteSession> pending_session_;
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uint64_t pending_generation_ = 0;
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std::function<void(bool)> pending_complete_;
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std::function<bool()> pending_allowed_;
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std::string last_text_;
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// UI thread only. Retain the destination of a local copy while its stream
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// window is unfocused; last_text_ holds the latest value to send on return.
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std::weak_ptr<gui_detail::RemoteSession> deferred_local_session_;
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std::mutex web_sessions_mutex_;
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std::unordered_map<std::string, std::shared_ptr<WebSession>> web_sessions_;
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};
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} // namespace crossdesk
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#endif // _CLIPBOARD_CONTROLLER_H_
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