mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Chinmay Garde
eec74e5c92
Some components in the Flutter engine were derived from the forked blink codebase. While the forked components have either been removed or rewritten, the use of the blink namespace has mostly (and inconsistently) remained. This renames the blink namesapce to flutter for consistency. There are no functional changes in this patch.
348 lines
11 KiB
C++
348 lines
11 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/runtime/runtime_controller.h"
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#include "flutter/fml/message_loop.h"
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#include "flutter/fml/trace_event.h"
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#include "flutter/lib/ui/compositing/scene.h"
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#include "flutter/lib/ui/ui_dart_state.h"
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#include "flutter/lib/ui/window/window.h"
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#include "flutter/runtime/runtime_delegate.h"
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#include "third_party/tonic/dart_message_handler.h"
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namespace flutter {
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RuntimeController::RuntimeController(
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RuntimeDelegate& p_client,
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DartVM* p_vm,
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fml::RefPtr<const DartSnapshot> p_isolate_snapshot,
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fml::RefPtr<const DartSnapshot> p_shared_snapshot,
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TaskRunners p_task_runners,
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fml::WeakPtr<SnapshotDelegate> p_snapshot_delegate,
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fml::WeakPtr<IOManager> p_io_manager,
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std::string p_advisory_script_uri,
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std::string p_advisory_script_entrypoint,
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std::function<void(int64_t)> p_idle_notification_callback)
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: RuntimeController(p_client,
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p_vm,
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std::move(p_isolate_snapshot),
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std::move(p_shared_snapshot),
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std::move(p_task_runners),
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std::move(p_snapshot_delegate),
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std::move(p_io_manager),
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std::move(p_advisory_script_uri),
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std::move(p_advisory_script_entrypoint),
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p_idle_notification_callback,
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WindowData{/* default window data */}) {}
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RuntimeController::RuntimeController(
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RuntimeDelegate& p_client,
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DartVM* p_vm,
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fml::RefPtr<const DartSnapshot> p_isolate_snapshot,
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fml::RefPtr<const DartSnapshot> p_shared_snapshot,
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TaskRunners p_task_runners,
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fml::WeakPtr<SnapshotDelegate> p_snapshot_delegate,
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fml::WeakPtr<IOManager> p_io_manager,
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std::string p_advisory_script_uri,
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std::string p_advisory_script_entrypoint,
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std::function<void(int64_t)> idle_notification_callback,
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WindowData p_window_data)
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: client_(p_client),
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vm_(p_vm),
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isolate_snapshot_(std::move(p_isolate_snapshot)),
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shared_snapshot_(std::move(p_shared_snapshot)),
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task_runners_(p_task_runners),
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snapshot_delegate_(p_snapshot_delegate),
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io_manager_(p_io_manager),
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advisory_script_uri_(p_advisory_script_uri),
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advisory_script_entrypoint_(p_advisory_script_entrypoint),
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idle_notification_callback_(idle_notification_callback),
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window_data_(std::move(p_window_data)),
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root_isolate_(
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DartIsolate::CreateRootIsolate(vm_->GetVMData()->GetSettings(),
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isolate_snapshot_,
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shared_snapshot_,
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task_runners_,
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std::make_unique<Window>(this),
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snapshot_delegate_,
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io_manager_,
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p_advisory_script_uri,
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p_advisory_script_entrypoint)) {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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root_isolate->SetReturnCodeCallback([this](uint32_t code) {
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root_isolate_return_code_ = {true, code};
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});
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if (auto* window = GetWindowIfAvailable()) {
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tonic::DartState::Scope scope(root_isolate);
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window->DidCreateIsolate();
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if (!FlushRuntimeStateToIsolate()) {
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FML_DLOG(ERROR) << "Could not setup intial isolate state.";
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}
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} else {
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FML_DCHECK(false) << "RuntimeController created without window binding.";
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}
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FML_DCHECK(Dart_CurrentIsolate() == nullptr);
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}
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RuntimeController::~RuntimeController() {
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FML_DCHECK(Dart_CurrentIsolate() == nullptr);
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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if (root_isolate) {
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root_isolate->SetReturnCodeCallback(nullptr);
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auto result = root_isolate->Shutdown();
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if (!result) {
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FML_DLOG(ERROR) << "Could not shutdown the root isolate.";
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}
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root_isolate_ = {};
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}
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}
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bool RuntimeController::IsRootIsolateRunning() const {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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if (root_isolate) {
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return root_isolate->GetPhase() == DartIsolate::Phase::Running;
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}
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return false;
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}
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std::unique_ptr<RuntimeController> RuntimeController::Clone() const {
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return std::unique_ptr<RuntimeController>(new RuntimeController(
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client_, //
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vm_, //
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isolate_snapshot_, //
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shared_snapshot_, //
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task_runners_, //
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snapshot_delegate_, //
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io_manager_, //
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advisory_script_uri_, //
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advisory_script_entrypoint_, //
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idle_notification_callback_, //
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window_data_ //
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));
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}
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bool RuntimeController::FlushRuntimeStateToIsolate() {
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return SetViewportMetrics(window_data_.viewport_metrics) &&
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SetLocales(window_data_.locale_data) &&
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SetSemanticsEnabled(window_data_.semantics_enabled) &&
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SetAccessibilityFeatures(window_data_.accessibility_feature_flags_) &&
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SetUserSettingsData(window_data_.user_settings_data) &&
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SetLifecycleState(window_data_.lifecycle_state);
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}
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bool RuntimeController::SetViewportMetrics(const ViewportMetrics& metrics) {
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window_data_.viewport_metrics = metrics;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateWindowMetrics(metrics);
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return true;
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}
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return false;
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}
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bool RuntimeController::SetLocales(
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const std::vector<std::string>& locale_data) {
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window_data_.locale_data = locale_data;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateLocales(locale_data);
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return true;
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}
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return false;
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}
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bool RuntimeController::SetUserSettingsData(const std::string& data) {
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window_data_.user_settings_data = data;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateUserSettingsData(window_data_.user_settings_data);
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return true;
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}
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return false;
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}
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bool RuntimeController::SetLifecycleState(const std::string& data) {
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window_data_.lifecycle_state = data;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateLifecycleState(window_data_.lifecycle_state);
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return true;
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}
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return false;
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}
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bool RuntimeController::SetSemanticsEnabled(bool enabled) {
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window_data_.semantics_enabled = enabled;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateSemanticsEnabled(window_data_.semantics_enabled);
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return true;
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}
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return false;
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}
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bool RuntimeController::SetAccessibilityFeatures(int32_t flags) {
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window_data_.accessibility_feature_flags_ = flags;
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if (auto* window = GetWindowIfAvailable()) {
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window->UpdateAccessibilityFeatures(
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window_data_.accessibility_feature_flags_);
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return true;
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}
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return false;
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}
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bool RuntimeController::BeginFrame(fml::TimePoint frame_time) {
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if (auto* window = GetWindowIfAvailable()) {
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window->BeginFrame(frame_time);
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return true;
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}
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return false;
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}
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bool RuntimeController::NotifyIdle(int64_t deadline) {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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if (!root_isolate) {
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return false;
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}
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tonic::DartState::Scope scope(root_isolate);
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Dart_NotifyIdle(deadline);
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// Idle notifications being in isolate scope are part of the contract.
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if (idle_notification_callback_) {
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TRACE_EVENT0("flutter", "EmbedderIdleNotification");
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idle_notification_callback_(deadline);
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}
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return true;
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}
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bool RuntimeController::DispatchPlatformMessage(
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fml::RefPtr<PlatformMessage> message) {
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if (auto* window = GetWindowIfAvailable()) {
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TRACE_EVENT1("flutter", "RuntimeController::DispatchPlatformMessage",
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"mode", "basic");
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window->DispatchPlatformMessage(std::move(message));
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return true;
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}
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return false;
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}
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bool RuntimeController::DispatchPointerDataPacket(
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const PointerDataPacket& packet) {
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if (auto* window = GetWindowIfAvailable()) {
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TRACE_EVENT1("flutter", "RuntimeController::DispatchPointerDataPacket",
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"mode", "basic");
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window->DispatchPointerDataPacket(packet);
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return true;
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}
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return false;
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}
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bool RuntimeController::DispatchSemanticsAction(int32_t id,
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SemanticsAction action,
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std::vector<uint8_t> args) {
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TRACE_EVENT1("flutter", "RuntimeController::DispatchSemanticsAction", "mode",
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"basic");
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if (auto* window = GetWindowIfAvailable()) {
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window->DispatchSemanticsAction(id, action, std::move(args));
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return true;
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}
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return false;
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}
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Window* RuntimeController::GetWindowIfAvailable() {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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return root_isolate ? root_isolate->window() : nullptr;
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}
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std::string RuntimeController::DefaultRouteName() {
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return client_.DefaultRouteName();
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}
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void RuntimeController::ScheduleFrame() {
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client_.ScheduleFrame();
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}
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void RuntimeController::Render(Scene* scene) {
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client_.Render(scene->takeLayerTree());
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}
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void RuntimeController::UpdateSemantics(SemanticsUpdate* update) {
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if (window_data_.semantics_enabled) {
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client_.UpdateSemantics(update->takeNodes(), update->takeActions());
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}
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}
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void RuntimeController::HandlePlatformMessage(
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fml::RefPtr<PlatformMessage> message) {
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client_.HandlePlatformMessage(std::move(message));
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}
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FontCollection& RuntimeController::GetFontCollection() {
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return client_.GetFontCollection();
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}
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void RuntimeController::UpdateIsolateDescription(const std::string isolate_name,
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int64_t isolate_port) {
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client_.UpdateIsolateDescription(isolate_name, isolate_port);
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}
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Dart_Port RuntimeController::GetMainPort() {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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return root_isolate ? root_isolate->main_port() : ILLEGAL_PORT;
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}
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std::string RuntimeController::GetIsolateName() {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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return root_isolate ? root_isolate->debug_name() : "";
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}
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bool RuntimeController::HasLivePorts() {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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if (!root_isolate) {
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return false;
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}
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tonic::DartState::Scope scope(root_isolate);
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return Dart_HasLivePorts();
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}
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tonic::DartErrorHandleType RuntimeController::GetLastError() {
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std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
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return root_isolate ? root_isolate->GetLastError() : tonic::kNoError;
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}
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std::weak_ptr<DartIsolate> RuntimeController::GetRootIsolate() {
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return root_isolate_;
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}
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std::pair<bool, uint32_t> RuntimeController::GetRootIsolateReturnCode() {
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return root_isolate_return_code_;
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}
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RuntimeController::Locale::Locale(std::string language_code_,
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std::string country_code_,
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std::string script_code_,
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std::string variant_code_)
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: language_code(language_code_),
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country_code(country_code_),
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script_code(script_code_),
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variant_code(variant_code_) {}
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RuntimeController::Locale::~Locale() = default;
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RuntimeController::WindowData::WindowData() = default;
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RuntimeController::WindowData::WindowData(const WindowData& other) = default;
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RuntimeController::WindowData::~WindowData() = default;
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} // namespace flutter
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