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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/runtime/runtime_controller.h"
#include "flutter/fml/message_loop.h"
#include "flutter/fml/trace_event.h"
#include "flutter/lib/ui/compositing/scene.h"
#include "flutter/lib/ui/ui_dart_state.h"
#include "flutter/lib/ui/window/window.h"
#include "flutter/runtime/runtime_delegate.h"
#include "third_party/tonic/dart_message_handler.h"
namespace blink {
RuntimeController::RuntimeController(
RuntimeDelegate& p_client,
DartVM* p_vm,
fml::RefPtr<DartSnapshot> p_isolate_snapshot,
fml::RefPtr<DartSnapshot> p_shared_snapshot,
TaskRunners p_task_runners,
fml::WeakPtr<SnapshotDelegate> p_snapshot_delegate,
fml::WeakPtr<GrContext> p_resource_context,
fml::RefPtr<flow::SkiaUnrefQueue> p_unref_queue,
std::string p_advisory_script_uri,
std::string p_advisory_script_entrypoint)
: RuntimeController(p_client,
p_vm,
std::move(p_isolate_snapshot),
std::move(p_shared_snapshot),
std::move(p_task_runners),
std::move(p_snapshot_delegate),
std::move(p_resource_context),
std::move(p_unref_queue),
std::move(p_advisory_script_uri),
std::move(p_advisory_script_entrypoint),
WindowData{/* default window data */}) {}
RuntimeController::RuntimeController(
RuntimeDelegate& p_client,
DartVM* p_vm,
fml::RefPtr<DartSnapshot> p_isolate_snapshot,
fml::RefPtr<DartSnapshot> p_shared_snapshot,
TaskRunners p_task_runners,
fml::WeakPtr<SnapshotDelegate> p_snapshot_delegate,
fml::WeakPtr<GrContext> p_resource_context,
fml::RefPtr<flow::SkiaUnrefQueue> p_unref_queue,
std::string p_advisory_script_uri,
std::string p_advisory_script_entrypoint,
WindowData p_window_data)
: client_(p_client),
vm_(p_vm),
isolate_snapshot_(std::move(p_isolate_snapshot)),
shared_snapshot_(std::move(p_shared_snapshot)),
task_runners_(p_task_runners),
snapshot_delegate_(p_snapshot_delegate),
resource_context_(p_resource_context),
unref_queue_(p_unref_queue),
advisory_script_uri_(p_advisory_script_uri),
advisory_script_entrypoint_(p_advisory_script_entrypoint),
window_data_(std::move(p_window_data)),
root_isolate_(
DartIsolate::CreateRootIsolate(vm_,
isolate_snapshot_,
shared_snapshot_,
task_runners_,
std::make_unique<Window>(this),
snapshot_delegate_,
resource_context_,
unref_queue_,
p_advisory_script_uri,
p_advisory_script_entrypoint)) {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
root_isolate->SetReturnCodeCallback([this](uint32_t code) {
root_isolate_return_code_ = {true, code};
});
if (auto* window = GetWindowIfAvailable()) {
tonic::DartState::Scope scope(root_isolate);
window->DidCreateIsolate();
if (!FlushRuntimeStateToIsolate()) {
FML_DLOG(ERROR) << "Could not setup intial isolate state.";
}
} else {
FML_DCHECK(false) << "RuntimeController created without window binding.";
}
FML_DCHECK(Dart_CurrentIsolate() == nullptr);
}
RuntimeController::~RuntimeController() {
FML_DCHECK(Dart_CurrentIsolate() == nullptr);
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
if (root_isolate) {
root_isolate->SetReturnCodeCallback(nullptr);
auto result = root_isolate->Shutdown();
if (!result) {
FML_DLOG(ERROR) << "Could not shutdown the root isolate.";
}
root_isolate_ = {};
}
}
bool RuntimeController::IsRootIsolateRunning() const {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
if (root_isolate) {
return root_isolate->GetPhase() == DartIsolate::Phase::Running;
}
return false;
}
std::unique_ptr<RuntimeController> RuntimeController::Clone() const {
return std::unique_ptr<RuntimeController>(new RuntimeController(
client_, //
vm_, //
isolate_snapshot_, //
shared_snapshot_, //
task_runners_, //
snapshot_delegate_, //
resource_context_, //
unref_queue_, //
advisory_script_uri_, //
advisory_script_entrypoint_, //
window_data_ //
));
}
bool RuntimeController::FlushRuntimeStateToIsolate() {
return SetViewportMetrics(window_data_.viewport_metrics) &&
SetLocales(window_data_.locale_data) &&
SetSemanticsEnabled(window_data_.semantics_enabled) &&
SetAccessibilityFeatures(window_data_.accessibility_feature_flags_) &&
SetUserSettingsData(window_data_.user_settings_data);
}
bool RuntimeController::SetViewportMetrics(const ViewportMetrics& metrics) {
window_data_.viewport_metrics = metrics;
if (auto* window = GetWindowIfAvailable()) {
window->UpdateWindowMetrics(metrics);
return true;
}
return false;
}
bool RuntimeController::SetLocales(
const std::vector<std::string>& locale_data) {
window_data_.locale_data = locale_data;
if (auto* window = GetWindowIfAvailable()) {
window->UpdateLocales(locale_data);
return true;
}
return true;
}
bool RuntimeController::SetUserSettingsData(const std::string& data) {
window_data_.user_settings_data = data;
if (auto* window = GetWindowIfAvailable()) {
window->UpdateUserSettingsData(window_data_.user_settings_data);
return true;
}
return false;
}
bool RuntimeController::SetSemanticsEnabled(bool enabled) {
window_data_.semantics_enabled = enabled;
if (auto* window = GetWindowIfAvailable()) {
window->UpdateSemanticsEnabled(window_data_.semantics_enabled);
return true;
}
return false;
}
bool RuntimeController::SetAccessibilityFeatures(int32_t flags) {
window_data_.accessibility_feature_flags_ = flags;
if (auto* window = GetWindowIfAvailable()) {
window->UpdateAccessibilityFeatures(
window_data_.accessibility_feature_flags_);
return true;
}
return false;
}
bool RuntimeController::BeginFrame(fml::TimePoint frame_time) {
if (auto* window = GetWindowIfAvailable()) {
window->BeginFrame(frame_time);
return true;
}
return false;
}
bool RuntimeController::NotifyIdle(int64_t deadline) {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
if (!root_isolate) {
return false;
}
tonic::DartState::Scope scope(root_isolate);
Dart_NotifyIdle(deadline);
return true;
}
bool RuntimeController::DispatchPlatformMessage(
fml::RefPtr<PlatformMessage> message) {
if (auto* window = GetWindowIfAvailable()) {
TRACE_EVENT1("flutter", "RuntimeController::DispatchPlatformMessage",
"mode", "basic");
window->DispatchPlatformMessage(std::move(message));
return true;
}
return false;
}
bool RuntimeController::DispatchPointerDataPacket(
const PointerDataPacket& packet) {
if (auto* window = GetWindowIfAvailable()) {
TRACE_EVENT1("flutter", "RuntimeController::DispatchPointerDataPacket",
"mode", "basic");
window->DispatchPointerDataPacket(packet);
return true;
}
return false;
}
bool RuntimeController::DispatchSemanticsAction(int32_t id,
SemanticsAction action,
std::vector<uint8_t> args) {
TRACE_EVENT1("flutter", "RuntimeController::DispatchSemanticsAction", "mode",
"basic");
if (auto* window = GetWindowIfAvailable()) {
window->DispatchSemanticsAction(id, action, std::move(args));
return true;
}
return false;
}
Window* RuntimeController::GetWindowIfAvailable() {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
return root_isolate ? root_isolate->window() : nullptr;
}
std::string RuntimeController::DefaultRouteName() {
return client_.DefaultRouteName();
}
void RuntimeController::ScheduleFrame() {
client_.ScheduleFrame();
}
void RuntimeController::Render(Scene* scene) {
client_.Render(scene->takeLayerTree());
}
void RuntimeController::UpdateSemantics(SemanticsUpdate* update) {
if (window_data_.semantics_enabled) {
client_.UpdateSemantics(update->takeNodes(), update->takeActions());
}
}
void RuntimeController::HandlePlatformMessage(
fml::RefPtr<PlatformMessage> message) {
client_.HandlePlatformMessage(std::move(message));
}
FontCollection& RuntimeController::GetFontCollection() {
return client_.GetFontCollection();
}
void RuntimeController::UpdateIsolateDescription(const std::string isolate_name,
int64_t isolate_port) {
client_.UpdateIsolateDescription(isolate_name, isolate_port);
}
Dart_Port RuntimeController::GetMainPort() {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
return root_isolate ? root_isolate->main_port() : ILLEGAL_PORT;
}
std::string RuntimeController::GetIsolateName() {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
return root_isolate ? root_isolate->debug_name() : "";
}
bool RuntimeController::HasLivePorts() {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
if (!root_isolate) {
return false;
}
tonic::DartState::Scope scope(root_isolate);
return Dart_HasLivePorts();
}
tonic::DartErrorHandleType RuntimeController::GetLastError() {
std::shared_ptr<DartIsolate> root_isolate = root_isolate_.lock();
return root_isolate ? root_isolate->GetLastError() : tonic::kNoError;
}
std::weak_ptr<DartIsolate> RuntimeController::GetRootIsolate() {
return root_isolate_;
}
std::pair<bool, uint32_t> RuntimeController::GetRootIsolateReturnCode() {
return root_isolate_return_code_;
}
RuntimeController::Locale::Locale(std::string language_code_,
std::string country_code_,
std::string script_code_,
std::string variant_code_)
: language_code(language_code_),
country_code(country_code_),
script_code(script_code_),
variant_code(variant_code_) {}
RuntimeController::Locale::~Locale() = default;
RuntimeController::WindowData::WindowData() = default;
RuntimeController::WindowData::WindowData(const WindowData& other) = default;
RuntimeController::WindowData::~WindowData() = default;
} // namespace blink