window_manager_windows.cpp

#include <windows.h>
#include <dwmapi.h>
#include <iostream>
#include <vector>
#include <map>
#include <memory>
#include "../../window_manager.h"
#include "../../window.h"

#pragma comment(lib, "dwmapi.lib")

namespace nativeapi {

// Private implementation for Windows (stub for now)
class WindowManager::WindowManagerImpl {
public:
  WindowManagerImpl(WindowManager* manager) : manager_(manager) {}
  ~WindowManagerImpl() {}
  
  void SetupEventMonitoring() {
    // TODO: Implement Windows-specific event monitoring
  }
  
  void CleanupEventMonitoring() {
    // TODO: Implement Windows-specific cleanup
  }
  
private:
  WindowManager* manager_;
};

WindowManager::WindowManager() : impl_(std::make_unique<WindowManagerImpl>(this)) {
  SetupEventMonitoring();
}

WindowManager::~WindowManager() {
  CleanupEventMonitoring();
}

void WindowManager::SetupEventMonitoring() {
  impl_->SetupEventMonitoring();
}

void WindowManager::CleanupEventMonitoring() {
  impl_->CleanupEventMonitoring();
}

void WindowManager::DispatchWindowEvent(const Event& event) {
  event_dispatcher_.DispatchSync(event);
}

std::shared_ptr<Window> WindowManager::Get(WindowID id) {
    auto it = windows_.find(id);
    if (it != windows_.end()) {
        return it->second;
    }
    
    // Check if the window still exists
    HWND hwnd = reinterpret_cast<HWND>(id);
    if (IsWindow(hwnd)) {
        auto window = std::make_shared<Window>(hwnd);
        windows_[id] = window;
        return window;
    }
    
    return nullptr;
}

// Callback function for EnumWindows
BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam) {
    std::vector<HWND>* windows = reinterpret_cast<std::vector<HWND>*>(lParam);
    
    // Only include visible windows that are not tool windows
    if (IsWindowVisible(hwnd)) {
        LONG_PTR exStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
        if (!(exStyle & WS_EX_TOOLWINDOW)) {
            // Check if window has a title
            wchar_t title[256];
            if (GetWindowText(hwnd, title, sizeof(title) / sizeof(wchar_t)) > 0) {
                windows->push_back(hwnd);
            }
        }
    }
    
    return TRUE;
}

std::vector<std::shared_ptr<Window>> WindowManager::GetAll() {
    std::vector<std::shared_ptr<Window>> result;
    std::vector<HWND> windowHandles;
    
    // Enumerate all top-level windows
    EnumWindows(EnumWindowsProc, reinterpret_cast<LPARAM>(&windowHandles));
    
    for (HWND hwnd : windowHandles) {
        WindowID windowId = reinterpret_cast<WindowID>(hwnd);
        
        // Check if we already have this window
        auto it = windows_.find(windowId);
        if (it == windows_.end()) {
            auto window = std::make_shared<Window>(hwnd);
            windows_[windowId] = window;
        }
        
        if (auto window = windows_[windowId]) {
            result.push_back(window);
        }
    }
    
    return result;
}

std::shared_ptr<Window> WindowManager::Create(const WindowOptions& options) {
  // TODO: Implement Windows window creation
  // For now, return nullptr as this is a stub implementation
  return nullptr;
}

bool WindowManager::Destroy(WindowID id) {
  auto it = windows_.find(id);
  if (it != windows_.end()) {
    HWND hwnd = reinterpret_cast<HWND>(id);
    if (IsWindow(hwnd)) {
      DestroyWindow(hwnd);
    }
    windows_.erase(it);
    return true;
  }
  return false;
}

std::shared_ptr<Window> WindowManager::GetCurrent() {
    HWND hwnd = GetForegroundWindow();
    if (hwnd) {
        WindowID windowId = reinterpret_cast<WindowID>(hwnd);
        return Get(windowId);
    }
    return nullptr;
}

}  // namespace nativeapi