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[ios] Adds an API for running Dart code without a PlatformViewIOS (fl…
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2017 The Chromium Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #include "flutter/shell/common/null_platform_view.h" | ||
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| #include "flutter/shell/common/null_rasterizer.h" | ||
| #include "flutter/shell/common/shell.h" | ||
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| namespace shell { | ||
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| NullPlatformView::NullPlatformView() | ||
| : PlatformView(std::make_unique<NullRasterizer>()), weak_factory_(this) {} | ||
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| void NullPlatformView::Attach() { | ||
| CreateEngine(); | ||
| } | ||
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| NullPlatformView::~NullPlatformView() = default; | ||
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| fxl::WeakPtr<NullPlatformView> NullPlatformView::GetWeakPtr() { | ||
| return weak_factory_.GetWeakPtr(); | ||
| } | ||
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| bool NullPlatformView::ResourceContextMakeCurrent() { | ||
| return false; | ||
| } | ||
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| // Hot-reload of the null platform view is not supported. | ||
| void NullPlatformView::RunFromSource(const std::string& assets_directory, | ||
| const std::string& main, | ||
| const std::string& packages) {} | ||
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| } // namespace shell |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| // Copyright 2017 The Chromium Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #ifndef COMMON_NULL_PLATFORM_VIEW_H_ | ||
| #define COMMON_NULL_PLATFORM_VIEW_H_ | ||
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| #include "flutter/shell/common/platform_view.h" | ||
| #include "lib/fxl/macros.h" | ||
| #include "lib/fxl/memory/weak_ptr.h" | ||
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| namespace shell { | ||
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| class NullPlatformView : public PlatformView { | ||
| public: | ||
| NullPlatformView(); | ||
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| ~NullPlatformView(); | ||
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| fxl::WeakPtr<NullPlatformView> GetWeakPtr(); | ||
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| virtual void Attach() override; | ||
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| bool ResourceContextMakeCurrent() override; | ||
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| void RunFromSource(const std::string& assets_directory, | ||
| const std::string& main, | ||
| const std::string& packages) override; | ||
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| private: | ||
| fxl::WeakPtrFactory<NullPlatformView> weak_factory_; | ||
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| FXL_DISALLOW_COPY_AND_ASSIGN(NullPlatformView); | ||
| }; | ||
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| } // namespace shell | ||
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| #endif // COMMON_NULL_PLATFORM_VIEW_H_ |
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34 changes: 34 additions & 0 deletions
34
shell/platform/darwin/ios/framework/Headers/FlutterHeadlessDartRunner.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // Copyright 2017 The Chromium Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #ifndef FLUTTER_FLUTTERHEADLESSDARTRUNNER_H_ | ||
| #define FLUTTER_FLUTTERHEADLESSDARTRUNNER_H_ | ||
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| #import <Foundation/Foundation.h> | ||
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| #include "FlutterDartProject.h" | ||
| #include "FlutterMacros.h" | ||
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| /** | ||
| The FlutterHeadlessDartRunner runs Flutter Dart code with a null rasterizer, | ||
| and no native drawing surface. It is appropriate for use in running Dart | ||
| code e.g. in the background from a plugin. | ||
| */ | ||
| FLUTTER_EXPORT | ||
| @interface FlutterHeadlessDartRunner : NSObject | ||
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| /** | ||
| Runs a Dart function on an Isolate that is not the main application's Isolate. | ||
| The first call will create a new Isolate. Subsequent calls will reuse that | ||
| Isolate. The Isolate is destroyed when the FlutterHeadlessDartRunner is | ||
| destroyed. | ||
| - Parameter entrypoint: The name of a top-level function from the same Dart | ||
| library that contains the app's main() function. | ||
| */ | ||
| - (void)runWithEntrypoint:(NSString*)entrypoint; | ||
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| @end | ||
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| #endif // FLUTTER_FLUTTERHEADLESSDARTRUNNER_H_ |
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39 changes: 39 additions & 0 deletions
39
shell/platform/darwin/ios/framework/Source/FlutterHeadlessDartRunner.mm
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // Copyright 2017 The Chromium Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterHeadlessDartRunner.h" | ||
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| #include <memory> | ||
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| #include "flutter/fml/platform/darwin/scoped_nsobject.h" | ||
| #include "flutter/shell/common/null_platform_view.h" | ||
| #include "flutter/shell/platform/darwin/ios/framework/Source/FlutterDartProject_Internal.h" | ||
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| @interface FlutterHeadlessDartRunner () | ||
| @end | ||
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| @implementation FlutterHeadlessDartRunner { | ||
| fml::scoped_nsprotocol<FlutterDartProject*> _dartProject; | ||
| std::shared_ptr<shell::NullPlatformView> _platformView; | ||
| } | ||
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| - (instancetype)init { | ||
| _dartProject.reset([[FlutterDartProject alloc] initFromDefaultSourceForConfiguration]); | ||
| _platformView = std::make_shared<shell::NullPlatformView>(); | ||
| _platformView->Attach(); | ||
| return self; | ||
| } | ||
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| - (void)runWithEntrypoint:(NSString*)entrypoint { | ||
| const enum VMType type = Dart_IsPrecompiledRuntime() ? VMTypePrecompilation : VMTypeInterpreter; | ||
| [_dartProject launchInEngine:&_platformView->engine() | ||
| withEntrypoint:entrypoint | ||
| embedderVMType:type | ||
| result:^(BOOL success, NSString* message) { | ||
| if (!success) | ||
| NSLog(@"%@", message); | ||
| }]; | ||
| } | ||
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| @end |
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