72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#ifndef MPV_CORE_H_
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#define MPV_CORE_H_
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#include <Windows.h>
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#include <chrono>
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#include <cmath>
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#include <map>
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#include <memory>
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#include <optional>
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#include <thread>
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namespace mpv {
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// Core class for managing z-order and window positioning for mpv video window.
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// Handles transparency, minimize/maximize animations, and position syncing.
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class MpvCore {
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public:
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static constexpr auto kPositionAndShowDelay = 300;
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static MpvCore* GetInstance();
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static void SetInstance(std::unique_ptr<MpvCore> instance);
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static std::optional<int32_t> GetProcId();
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static void SetProcId(std::optional<int32_t> proc_id);
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MpvCore(HWND flutter_window, HWND flutter_child_window);
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~MpvCore();
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// Initializes transparency on the Flutter window.
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void EnsureInitialized();
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// Creates and positions the mpv video view.
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void CreateMpvView(HWND mpv_hwnd, RECT rect, double device_pixel_ratio);
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// Updates the mpv view position.
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void ResizeMpvView(HWND mpv_hwnd, RECT rect);
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// Disposes the mpv view.
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void DisposeMpvView(HWND mpv_hwnd);
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// Sets hit test behavior for mouse passthrough.
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void SetHitTestBehavior(int32_t hittest_behavior);
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// Shows or hides the mpv view.
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void SetVisible(bool visible);
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// Window procedure handler for Flutter window messages.
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std::optional<HRESULT> WindowProc(HWND hwnd, UINT message, WPARAM wparam,
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LPARAM lparam);
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private:
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void RedrawMpvViews();
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RECT GetGlobalRect(int32_t left, int32_t top, int32_t right, int32_t bottom);
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HWND flutter_window_ = nullptr;
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HWND flutter_child_window_ = nullptr;
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HWND container_ = nullptr;
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double device_pixel_ratio_ = 1.0;
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std::map<HWND, RECT> mpv_views_;
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uint64_t last_thread_time_ = 0;
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WPARAM last_wm_size_wparam_ = SIZE_RESTORED;
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bool was_window_hidden_due_to_minimize_ = false;
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bool visible_ = true;
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static std::unique_ptr<MpvCore> instance_;
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static std::optional<int32_t> proc_id_;
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};
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} // namespace mpv
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#endif // MPV_CORE_H_
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