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Public Member Functions | List of all members
flutter::WindowManager Class Reference

#include <window_manager.h>

Public Member Functions

 WindowManager (FlutterWindowsEngine *engine)
 
virtual ~WindowManager ()=default
 
void Initialize (const WindowingInitRequest *request)
 
FlutterViewId CreateRegularWindow (const RegularWindowCreationRequest *request)
 
FlutterViewId CreateDialogWindow (const DialogWindowCreationRequest *request)
 
FlutterViewId CreateTooltipWindow (const TooltipWindowCreationRequest *request)
 
FlutterViewId CreatePopupWindow (const PopupWindowCreationRequest *request)
 
std::optional< LRESULT > HandleMessage (HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
 
void OnEngineShutdown ()
 

Detailed Description

Definition at line 118 of file window_manager.h.

Constructor & Destructor Documentation

◆ WindowManager()

flutter::WindowManager::WindowManager ( FlutterWindowsEngine *  engine)
explicit

Definition at line 25 of file window_manager.cc.

25 : engine_(engine) {}

◆ ~WindowManager()

virtual flutter::WindowManager::~WindowManager ( )
virtualdefault

Member Function Documentation

◆ CreateDialogWindow()

FlutterViewId flutter::WindowManager::CreateDialogWindow ( const DialogWindowCreationRequest *  request)

Definition at line 46 of file window_manager.cc.

47  {
48  auto window = HostWindow::CreateDialogWindow(
49  this, engine_, request->preferred_size, request->preferred_constraints,
50  request->title, request->parent_or_null, request->sized_to_content,
51  request->resizable);
52  if (!window || !window->GetWindowHandle()) {
53  FML_LOG(ERROR) << "Failed to create host window";
54  return -1;
55  }
56  FlutterViewId const view_id = window->view_controller_->view()->view_id();
57  active_windows_[window->GetWindowHandle()] = std::move(window);
58  return view_id;
59 }
flutter::HostWindow::CreateDialogWindow
static std::unique_ptr< HostWindow > CreateDialogWindow(WindowManager *window_manager, FlutterWindowsEngine *engine, const WindowSizeRequest &preferred_size, const WindowConstraints &preferred_constraints, LPCWSTR title, HWND parent, bool sized_to_content, bool resizable)
Definition: host_window.cc:191
flutter::FlutterViewId
int64_t FlutterViewId
Definition: accessibility_plugin.h:15

References flutter::HostWindow::CreateDialogWindow(), flutter::DialogWindowCreationRequest::parent_or_null, flutter::DialogWindowCreationRequest::preferred_constraints, flutter::DialogWindowCreationRequest::preferred_size, flutter::DialogWindowCreationRequest::resizable, flutter::DialogWindowCreationRequest::sized_to_content, and flutter::DialogWindowCreationRequest::title.

Referenced by InternalFlutterWindows_WindowManager_CreateDialogWindow().

◆ CreatePopupWindow()

FlutterViewId flutter::WindowManager::CreatePopupWindow ( const PopupWindowCreationRequest *  request)

Definition at line 75 of file window_manager.cc.

76  {
77  auto window = HostWindow::CreatePopupWindow(
78  this, engine_, request->preferred_constraints,
79  request->get_position_callback, request->parent);
80  if (!window || !window->GetWindowHandle()) {
81  FML_LOG(ERROR) << "Failed to create host window";
82  return -1;
83  }
84  FlutterViewId const view_id = window->view_controller_->view()->view_id();
85  active_windows_[window->GetWindowHandle()] = std::move(window);
86  return view_id;
87 }
flutter::HostWindow::CreatePopupWindow
static std::unique_ptr< HostWindow > CreatePopupWindow(WindowManager *window_manager, FlutterWindowsEngine *engine, const WindowConstraints &preferred_constraints, GetWindowPositionCallback get_position_callback, HWND parent)
Definition: host_window.cc:217

References flutter::HostWindow::CreatePopupWindow(), flutter::PopupWindowCreationRequest::get_position_callback, flutter::PopupWindowCreationRequest::parent, and flutter::PopupWindowCreationRequest::preferred_constraints.

Referenced by InternalFlutterWindows_WindowManager_CreatePopupWindow().

◆ CreateRegularWindow()

FlutterViewId flutter::WindowManager::CreateRegularWindow ( const RegularWindowCreationRequest *  request)

Definition at line 32 of file window_manager.cc.

33  {
34  auto window = HostWindow::CreateRegularWindow(
35  this, engine_, request->preferred_size, request->preferred_constraints,
36  request->title, request->sized_to_content, request->resizable);
37  if (!window || !window->GetWindowHandle()) {
38  FML_LOG(ERROR) << "Failed to create host window";
39  return -1;
40  }
41  FlutterViewId const view_id = window->view_controller_->view()->view_id();
42  active_windows_[window->GetWindowHandle()] = std::move(window);
43  return view_id;
44 }
flutter::HostWindow::CreateRegularWindow
static std::unique_ptr< HostWindow > CreateRegularWindow(WindowManager *window_manager, FlutterWindowsEngine *engine, const WindowSizeRequest &preferred_size, const WindowConstraints &preferred_constraints, LPCWSTR title, bool sized_to_content, bool resizable)
Definition: host_window.cc:177

References flutter::HostWindow::CreateRegularWindow(), flutter::RegularWindowCreationRequest::preferred_constraints, flutter::RegularWindowCreationRequest::preferred_size, flutter::RegularWindowCreationRequest::resizable, flutter::RegularWindowCreationRequest::sized_to_content, and flutter::RegularWindowCreationRequest::title.

Referenced by InternalFlutterWindows_WindowManager_CreateRegularWindow().

◆ CreateTooltipWindow()

FlutterViewId flutter::WindowManager::CreateTooltipWindow ( const TooltipWindowCreationRequest *  request)

Definition at line 61 of file window_manager.cc.

62  {
63  auto window = HostWindow::CreateTooltipWindow(
64  this, engine_, request->preferred_constraints,
65  request->get_position_callback, request->parent);
66  if (!window || !window->GetWindowHandle()) {
67  FML_LOG(ERROR) << "Failed to create host window";
68  return -1;
69  }
70  FlutterViewId const view_id = window->view_controller_->view()->view_id();
71  active_windows_[window->GetWindowHandle()] = std::move(window);
72  return view_id;
73 }
flutter::HostWindow::CreateTooltipWindow
static std::unique_ptr< HostWindow > CreateTooltipWindow(WindowManager *window_manager, FlutterWindowsEngine *engine, const WindowConstraints &preferred_constraints, GetWindowPositionCallback get_position_callback, HWND parent)
Definition: host_window.cc:206

References flutter::HostWindow::CreateTooltipWindow(), flutter::TooltipWindowCreationRequest::get_position_callback, flutter::TooltipWindowCreationRequest::parent, and flutter::TooltipWindowCreationRequest::preferred_constraints.

Referenced by InternalFlutterWindows_WindowManager_CreateTooltipWindow().

◆ HandleMessage()

std::optional< LRESULT > flutter::WindowManager::HandleMessage ( HWND  hwnd,
UINT  message,
WPARAM  wparam,
LPARAM  lparam 
)

Definition at line 105 of file window_manager.cc.

108  {
109  if (message == WM_NCDESTROY) {
110  active_windows_.erase(hwnd);
111  return std::nullopt;
112  }
113 
114  HostWindow* host_window = HostWindow::GetThisFromHandle(hwnd);
115  FlutterWindowsView* view =
116  host_window ? host_window->view_controller_->view() : nullptr;
117 
118  if (!view) {
119  FML_LOG(WARNING) << "Received message for unknown view";
120  return std::nullopt;
121  }
122 
123  WindowsMessage message_struct = {.view_id = view->view_id(),
124  .hwnd = hwnd,
125  .message = message,
126  .wParam = wparam,
127  .lParam = lparam,
128  .result = 0,
129  .handled = false};
130 
131  // Not initialized yet.
132  if (!isolate_) {
133  return std::nullopt;
134  }
135 
136  IsolateScope scope(*isolate_);
137  on_message_(&message_struct);
138  if (message_struct.handled) {
139  return message_struct.result;
140  } else {
141  return std::nullopt;
142  }
143 }
flutter::HostWindow::GetThisFromHandle
static HostWindow * GetThisFromHandle(HWND hwnd)
Definition: host_window.cc:326
message
Win32Message message
Definition: keyboard_unittests.cc:137

References flutter::HostWindow::GetThisFromHandle(), flutter::WindowsMessage::handled, message, flutter::WindowsMessage::result, flutter::HostWindow::view_controller_, flutter::FlutterWindowsView::view_id(), and flutter::WindowsMessage::view_id.

◆ Initialize()

void flutter::WindowManager::Initialize ( const WindowingInitRequest *  request)

Definition at line 27 of file window_manager.cc.

27  {
28  on_message_ = request->on_message;
29  isolate_ = Isolate::Current();
30 }
flutter::Isolate::Current
static Isolate Current()
Definition: isolate_scope.cc:9

References flutter::Isolate::Current(), and flutter::WindowingInitRequest::on_message.

Referenced by InternalFlutterWindows_WindowManager_Initialize().

◆ OnEngineShutdown()

void flutter::WindowManager::OnEngineShutdown ( )

Definition at line 89 of file window_manager.cc.

89  {
90  // Don't send any more messages to isolate.
91  on_message_ = nullptr;
92  std::vector<HWND> active_handles;
93  active_handles.reserve(active_windows_.size());
94  for (auto& [hwnd, window] : active_windows_) {
95  active_handles.push_back(hwnd);
96  }
97  for (auto hwnd : active_handles) {
98  // This will destroy the window, which will in turn remove the
99  // HostWindow from map when handling WM_NCDESTROY inside
100  // HandleMessage.
101  InternalFlutterWindows_WindowManager_OnDestroyWindow(hwnd);
102  }
103 }
InternalFlutterWindows_WindowManager_OnDestroyWindow
void InternalFlutterWindows_WindowManager_OnDestroyWindow(HWND hwnd)
Definition: window_manager.cc:217

References InternalFlutterWindows_WindowManager_OnDestroyWindow().

The documentation for this class was generated from the following files: