1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "flutter/lib/ui/window/window.h"
6
7#include <utility>
8
9#include "third_party/tonic/converter/dart_converter.h"
10#include "third_party/tonic/dart_args.h"
11#include "third_party/tonic/logging/dart_invoke.h"
12#include "third_party/tonic/typed_data/dart_byte_data.h"
13
14namespace flutter {
15
16Window::Window(int64_t window_id, ViewportMetrics metrics)
17 : window_id_(window_id), viewport_metrics_(std::move(metrics)) {
18 library_.Set(dart_state: tonic::DartState::Current(),
19 value: Dart_LookupLibrary(url: tonic::ToDart(val: "dart:ui")));
20}
21
22Window::~Window() {}
23
24void Window::UpdateWindowMetrics(const ViewportMetrics& metrics) {
25 viewport_metrics_ = metrics;
26
27 std::shared_ptr<tonic::DartState> dart_state = library_.dart_state().lock();
28 if (!dart_state) {
29 return;
30 }
31 tonic::DartState::Scope scope(dart_state);
32 tonic::CheckAndHandleError(handle: tonic::DartInvokeField(
33 target: library_.value(), name: "_updateWindowMetrics",
34 args: {
35 tonic::ToDart(object: window_id_),
36 tonic::ToDart(object: metrics.device_pixel_ratio),
37 tonic::ToDart(object: metrics.physical_width),
38 tonic::ToDart(object: metrics.physical_height),
39 tonic::ToDart(object: metrics.physical_padding_top),
40 tonic::ToDart(object: metrics.physical_padding_right),
41 tonic::ToDart(object: metrics.physical_padding_bottom),
42 tonic::ToDart(object: metrics.physical_padding_left),
43 tonic::ToDart(object: metrics.physical_view_inset_top),
44 tonic::ToDart(object: metrics.physical_view_inset_right),
45 tonic::ToDart(object: metrics.physical_view_inset_bottom),
46 tonic::ToDart(object: metrics.physical_view_inset_left),
47 tonic::ToDart(object: metrics.physical_system_gesture_inset_top),
48 tonic::ToDart(object: metrics.physical_system_gesture_inset_right),
49 tonic::ToDart(object: metrics.physical_system_gesture_inset_bottom),
50 tonic::ToDart(object: metrics.physical_system_gesture_inset_left),
51 tonic::ToDart(object: metrics.physical_touch_slop),
52 tonic::ToDart(object: metrics.physical_display_features_bounds),
53 tonic::ToDart(object: metrics.physical_display_features_type),
54 tonic::ToDart(object: metrics.physical_display_features_state),
55 tonic::ToDart(object: metrics.display_id),
56 }));
57}
58
59} // namespace flutter
60

source code of flutter_engine/flutter/lib/ui/window/window.cc