third_party/WebKit/Source/bindings/core/v8/ConditionalFeaturesForCore.cpp - Issue 2970003002: Add code generation for ConditionalFeatures bindings code

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Issue 2970003002: Add code generation for ConditionalFeatures bindings code (Closed)

Patch Set: Readability fixes Created 3 years, 5 months ago

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1 // Copyright 2017 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "bindings/core/v8/ConditionalFeaturesForCore.h"

6

7 #include "bindings/core/v8/V8Document.h"

8 #include "bindings/core/v8/V8HTMLLinkElement.h"

9 #include "bindings/core/v8/V8Navigator.h"

10 #include "bindings/core/v8/V8Window.h"

11 #include "core/context_features/ContextFeatureSettings.h"

12 #include "core/dom/ExecutionContext.h"

13 #include "core/frame/Frame.h"

14 #include "core/origin_trials/OriginTrials.h"

15 #include "platform/bindings/ConditionalFeatures.h"

16 #include "platform/bindings/ScriptState.h"

17

18 namespace blink {

19

20 namespace {

21 InstallConditionalFeaturesFunction g_old_install_conditional_features_function =

22 nullptr;

23 InstallPendingConditionalFeatureFunction

24 g_old_install_pending_conditional_feature_function = nullptr;

25 }

26

27 void InstallConditionalFeaturesCore(const WrapperTypeInfo* wrapper_type_info,

28 const ScriptState* script_state,

29 v8::Local<v8::Object> prototype_object,

30 v8::Local<v8::Function> interface_object) {

31 (*g_old_install_conditional_features_function)(

32 wrapper_type_info, script_state, prototype_object, interface_object);

33

34 // TODO(iclelland): Generate all of this logic at compile-time, based on the

35 // configuration of origin trial enabled attributes and interfaces in IDL

36 // files. (crbug.com/615060)

37 ExecutionContext* execution_context = ExecutionContext::From(script_state);

38 if (!execution_context)

39 return;

40 v8::Isolate* isolate = script_state->GetIsolate();

41 const DOMWrapperWorld& world = script_state->World();

42 if (wrapper_type_info == &V8Window::wrapperTypeInfo) {

43 auto* settings = ContextFeatureSettings::From(

44 execution_context,

45 ContextFeatureSettings::CreationMode::kDontCreateIfNotExists);

46 if (settings && settings->isMojoJSEnabled()) {

47 v8::Local<v8::Object> instance_object =

48 script_state->GetContext()->Global();

49 V8Window::installMojoJS(isolate, world, instance_object, prototype_object,

50 interface_object);

51 }

52 } else if (wrapper_type_info == &V8HTMLLinkElement::wrapperTypeInfo) {

53 if (OriginTrials::linkServiceWorkerEnabled(execution_context)) {

54 V8HTMLLinkElement::installLinkServiceWorker(

55 isolate, world, v8::Local<v8::Object>(), prototype_object,

56 interface_object);

57 }

58 }

59 }

60

61 void InstallPendingConditionalFeatureCore(const String& feature,

62 const ScriptState* script_state) {

63 (*g_old_install_pending_conditional_feature_function)(feature, script_state);

64

65 // TODO(iclelland): Generate all of this logic at compile-time, based on the

66 // configuration of origin trial enabled attributes and interfaces in IDL

67 // files. (crbug.com/615060)

68 v8::Local<v8::Object> prototype_object;

69 v8::Local<v8::Function> interface_object;

70 v8::Isolate* isolate = script_state->GetIsolate();

71 const DOMWrapperWorld& world = script_state->World();

72 V8PerContextData* context_data = script_state->PerContextData();

73 if (feature == "ForeignFetch") {

74 if (context_data->GetExistingConstructorAndPrototypeForType(

75 &V8HTMLLinkElement::wrapperTypeInfo, &prototype_object,

76 &interface_object)) {

77 V8HTMLLinkElement::installLinkServiceWorker(

78 isolate, world, v8::Local<v8::Object>(), prototype_object,

79 interface_object);

80 }

81 return;

82 }

83 }

84

85 void InstallConditionalFeaturesOnWindow(const ScriptState* script_state) {

86 DCHECK(script_state);

87 DCHECK(script_state->GetContext() ==

88 script_state->GetIsolate()->GetCurrentContext());

89 DCHECK(script_state->PerContextData());

90 DCHECK(script_state->World().IsMainWorld());

91 InstallConditionalFeatures(&V8Window::wrapperTypeInfo, script_state,

92 v8::Local<v8::Object>(),

93 v8::Local<v8::Function>());

94 }

95

96 void RegisterInstallConditionalFeaturesForCore() {

97 g_old_install_conditional_features_function =

98 SetInstallConditionalFeaturesFunction(&InstallConditionalFeaturesCore);

99 g_old_install_pending_conditional_feature_function =

100 SetInstallPendingConditionalFeatureFunction(

101 &InstallPendingConditionalFeatureCore);

102 }

103

104 } // namespace blink

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