Flutter Engine Uber Docs
Docs for the entire Flutter Engine repo.
 
Loading...
Searching...
No Matches
flutter::FlutterProjectBundle Class Reference

#include <flutter_project_bundle.h>

Public Member Functions

 FlutterProjectBundle (const FlutterDesktopEngineProperties &properties)
 
 ~FlutterProjectBundle ()
 
bool HasValidPaths ()
 
const std::filesystem::path & assets_path ()
 
const std::filesystem::path & icu_path ()
 
const std::vector< std::string > GetSwitches ()
 
void SetSwitches (const std::vector< std::string > &switches)
 
UniqueAotDataPtr LoadAotData (const FlutterEngineProcTable &engine_procs)
 
const std::string & dart_entrypoint () const
 
const std::vector< std::string > & dart_entrypoint_arguments () const
 
FlutterGpuPreference gpu_preference () const
 
FlutterUIThreadPolicy ui_thread_policy ()
 

Detailed Description

Definition at line 33 of file flutter_project_bundle.h.

Constructor & Destructor Documentation

◆ FlutterProjectBundle()

flutter::FlutterProjectBundle::FlutterProjectBundle ( const FlutterDesktopEngineProperties properties)
explicit

Definition at line 16 of file flutter_project_bundle.cc.

18 : assets_path_(properties.assets_path),
19 icu_path_(properties.icu_data_path) {
20 if (properties.aot_library_path != nullptr) {
21 aot_library_path_ = std::filesystem::path(properties.aot_library_path);
22 }
23
24 if (properties.dart_entrypoint && properties.dart_entrypoint[0] != '\0') {
25 dart_entrypoint_ = properties.dart_entrypoint;
26 }
27
28 for (int i = 0; i < properties.dart_entrypoint_argc; i++) {
29 dart_entrypoint_arguments_.push_back(
30 std::string(properties.dart_entrypoint_argv[i]));
31 }
32
33 gpu_preference_ =
34 static_cast<FlutterGpuPreference>(properties.gpu_preference);
35
36 ui_thread_policy_ =
37 static_cast<FlutterUIThreadPolicy>(properties.ui_thread_policy);
38
39 // Resolve any relative paths.
40 if (assets_path_.is_relative() || icu_path_.is_relative() ||
41 (!aot_library_path_.empty() && aot_library_path_.is_relative())) {
42 std::filesystem::path executable_location = GetExecutableDirectory();
43 if (executable_location.empty()) {
44 FML_LOG(ERROR)
45 << "Unable to find executable location to resolve resource paths.";
46 assets_path_ = std::filesystem::path();
47 icu_path_ = std::filesystem::path();
48 } else {
49 assets_path_ = std::filesystem::path(executable_location) / assets_path_;
50 icu_path_ = std::filesystem::path(executable_location) / icu_path_;
51 if (!aot_library_path_.empty()) {
52 aot_library_path_ =
53 std::filesystem::path(executable_location) / aot_library_path_;
54 }
55 }
56 }
57}
#define FML_LOG(severity)
Definition logging.h:101
std::filesystem::path GetExecutableDirectory()
Definition path_utils.cc:16
FlutterDesktopUIThreadPolicy ui_thread_policy
FlutterDesktopGpuPreference gpu_preference

References FlutterDesktopEngineProperties::aot_library_path, FlutterDesktopEngineProperties::dart_entrypoint, FlutterDesktopEngineProperties::dart_entrypoint_argc, FlutterDesktopEngineProperties::dart_entrypoint_argv, FML_LOG, flutter::GetExecutableDirectory(), FlutterDesktopEngineProperties::gpu_preference, i, and FlutterDesktopEngineProperties::ui_thread_policy.

◆ ~FlutterProjectBundle()

flutter::FlutterProjectBundle::~FlutterProjectBundle ( )

Definition at line 90 of file flutter_project_bundle.cc.

90{}

Member Function Documentation

◆ assets_path()

const std::filesystem::path & flutter::FlutterProjectBundle::assets_path ( )
inline

Definition at line 48 of file flutter_project_bundle.h.

48{ return assets_path_; }

Referenced by flutter::testing::TEST(), and flutter::testing::TEST().

◆ dart_entrypoint()

const std::string & flutter::FlutterProjectBundle::dart_entrypoint ( ) const
inline

Definition at line 66 of file flutter_project_bundle.h.

66{ return dart_entrypoint_; }

◆ dart_entrypoint_arguments()

const std::vector< std::string > & flutter::FlutterProjectBundle::dart_entrypoint_arguments ( ) const
inline

Definition at line 70 of file flutter_project_bundle.h.

70 {
71 return dart_entrypoint_arguments_;
72 }

Referenced by flutter::testing::TEST().

◆ GetSwitches()

const std::vector< std::string > flutter::FlutterProjectBundle::GetSwitches ( )

Definition at line 97 of file flutter_project_bundle.cc.

97 {
98 if (engine_switches_.size() == 0) {
100 }
101 std::vector<std::string> switches;
102 switches.insert(switches.end(), engine_switches_.begin(),
103 engine_switches_.end());
104
105 auto env_switches = GetSwitchesFromEnvironment();
106 switches.insert(switches.end(), env_switches.begin(), env_switches.end());
107
108 return switches;
109}
std::vector< std::string > GetSwitchesFromEnvironment()

References flutter::GetSwitchesFromEnvironment().

Referenced by flutter::testing::TEST(), and flutter::testing::TEST().

◆ gpu_preference()

FlutterGpuPreference flutter::FlutterProjectBundle::gpu_preference ( ) const
inline

Definition at line 75 of file flutter_project_bundle.h.

75{ return gpu_preference_; }

◆ HasValidPaths()

bool flutter::FlutterProjectBundle::HasValidPaths ( )

Definition at line 59 of file flutter_project_bundle.cc.

59 {
60 return !assets_path_.empty() && !icu_path_.empty();
61}

Referenced by flutter::testing::TEST(), and flutter::testing::TEST().

◆ icu_path()

const std::filesystem::path & flutter::FlutterProjectBundle::icu_path ( )
inline

Definition at line 51 of file flutter_project_bundle.h.

51{ return icu_path_; }

Referenced by flutter::testing::TEST(), and flutter::testing::TEST().

◆ LoadAotData()

UniqueAotDataPtr flutter::FlutterProjectBundle::LoadAotData ( const FlutterEngineProcTable engine_procs)

Definition at line 65 of file flutter_project_bundle.cc.

66 {
67 if (aot_library_path_.empty()) {
68 FML_LOG(ERROR)
69 << "Attempted to load AOT data, but no aot_library_path was provided.";
70 return UniqueAotDataPtr(nullptr, nullptr);
71 }
72 if (!std::filesystem::exists(aot_library_path_)) {
73 FML_LOG(ERROR) << "Can't load AOT data from " << aot_library_path_
74 << "; no such file.";
75 return UniqueAotDataPtr(nullptr, nullptr);
76 }
77 std::string path_string = fml::PathToUtf8(aot_library_path_);
80 source.elf_path = path_string.c_str();
81 FlutterEngineAOTData data = nullptr;
82 auto result = engine_procs.CreateAOTData(&source, &data);
83 if (result != kSuccess) {
84 FML_LOG(ERROR) << "Failed to load AOT data from: " << path_string;
85 return UniqueAotDataPtr(nullptr, nullptr);
86 }
87 return UniqueAotDataPtr(data, engine_procs.CollectAOTData);
88}
@ kFlutterEngineAOTDataSourceTypeElfPath
Definition embedder.h:2428
DEF_SWITCHES_START aot vmservice shared library Name of the *so containing AOT compiled Dart assets for launching the service isolate vm snapshot data
Definition switch_defs.h:36
std::unique_ptr< _FlutterEngineAOTData, FlutterEngineCollectAOTDataFnPtr > UniqueAotDataPtr
std::string PathToUtf8(const std::filesystem::path &path)
FlutterEngineAOTDataSourceType type
Definition embedder.h:2434
const char * elf_path
Absolute path to an ELF library file.
Definition embedder.h:2437
FlutterEngineCreateAOTDataFnPtr CreateAOTData
Definition embedder.h:3708
FlutterEngineCollectAOTDataFnPtr CollectAOTData
Definition embedder.h:3709

References FlutterEngineProcTable::CollectAOTData, FlutterEngineProcTable::CreateAOTData, flutter::data, FlutterEngineAOTDataSource::elf_path, FML_LOG, kFlutterEngineAOTDataSourceTypeElfPath, flutter::kSuccess, fml::PathToUtf8(), and FlutterEngineAOTDataSource::type.

◆ SetSwitches()

void flutter::FlutterProjectBundle::SetSwitches ( const std::vector< std::string > &  switches)

Definition at line 92 of file flutter_project_bundle.cc.

93 {
94 engine_switches_ = switches;
95}

Referenced by flutter::testing::FlutterWindowsEngineBuilder::Build().

◆ ui_thread_policy()

FlutterUIThreadPolicy flutter::FlutterProjectBundle::ui_thread_policy ( )
inline

Definition at line 78 of file flutter_project_bundle.h.

78{ return ui_thread_policy_; }

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