mirror of
https://github.com/kidfromjupiter/nearby.git
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81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "./flutter_window.h"
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#include <optional>
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#include "flutter/generated_plugin_registrant.h"
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FlutterWindow::FlutterWindow(const flutter::DartProject& project)
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: project_(project) {}
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FlutterWindow::~FlutterWindow() {}
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bool FlutterWindow::OnCreate() {
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if (!Win32Window::OnCreate()) {
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return false;
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}
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RECT frame = GetClientArea();
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// The size here must match the window dimensions to avoid unnecessary surface
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// creation / destruction in the startup path.
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flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
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frame.right - frame.left, frame.bottom - frame.top, project_);
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// Ensure that basic setup of the controller was successful.
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if (!flutter_controller_->engine() || !flutter_controller_->view()) {
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return false;
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}
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RegisterPlugins(flutter_controller_->engine());
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SetChildContent(flutter_controller_->view()->GetNativeWindow());
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flutter_controller_->engine()->SetNextFrameCallback([&]() {
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this->Show();
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});
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return true;
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}
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void FlutterWindow::OnDestroy() {
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if (flutter_controller_) {
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flutter_controller_ = nullptr;
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}
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Win32Window::OnDestroy();
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}
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LRESULT
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FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
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WPARAM const wparam,
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LPARAM const lparam) noexcept {
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// Give Flutter, including plugins, an opportunity to handle window messages.
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if (flutter_controller_) {
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std::optional<LRESULT> result =
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flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
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lparam);
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if (result) {
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return *result;
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}
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}
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switch (message) {
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case WM_FONTCHANGE:
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flutter_controller_->engine()->ReloadSystemFonts();
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break;
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}
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return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
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}
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