| // Copyright 2016 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. |
| |
| #ifndef ConditionalFeatures_h |
| #define ConditionalFeatures_h |
| |
| #include "core/CoreExport.h" |
| #include "v8/include/v8.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class ScriptState; |
| struct WrapperTypeInfo; |
| |
| using InstallConditionalFeaturesFunction = void (*)(const WrapperTypeInfo*, |
| const ScriptState*, |
| v8::Local<v8::Object>, |
| v8::Local<v8::Function>); |
| |
| using InstallPendingConditionalFeatureFunction = void (*)(const String&, |
| const ScriptState*); |
| |
| // Sets the function to be called by |installConditionalFeatures|. The function |
| // is initially set to the private |installConditionalFeaturesDefault| function, |
| // but can be overridden by this function. A pointer to the previously set |
| // function is returned, so that functions can be chained. |
| CORE_EXPORT InstallConditionalFeaturesFunction |
| setInstallConditionalFeaturesFunction(InstallConditionalFeaturesFunction); |
| |
| // Sets the function to be called by |installPendingConditionalFeature|. This |
| // is initially set to the private |installPendingConditionalFeatureDefault| |
| // function, but can be overridden by this function. A pointer to the previously |
| // set function is returned, so that functions can be chained. |
| CORE_EXPORT InstallPendingConditionalFeatureFunction |
| setInstallPendingConditionalFeatureFunction( |
| InstallPendingConditionalFeatureFunction); |
| |
| // Installs all of the conditionally enabled V8 bindings for the given type, in |
| // a specific context. This is called in V8PerContextData, after the constructor |
| // and prototype for the type have been created. It indirectly calls the |
| // function set by |setInstallConditionalFeaturesFunction|. |
| CORE_EXPORT void installConditionalFeatures(const WrapperTypeInfo*, |
| const ScriptState*, |
| v8::Local<v8::Object>, |
| v8::Local<v8::Function>); |
| |
| // Installs all of the conditionally enabled V8 bindings for a feature, if |
| // needed. This is called to install a newly-enabled feature on any existing |
| // objects. If the target object hasn't been created, nothing is installed. The |
| // enabled feature will be instead be installed when the object is created |
| // (avoids forcing the creation of objects prematurely). |
| CORE_EXPORT void installPendingConditionalFeature(const String&, |
| const ScriptState*); |
| |
| } // namespace blink |
| |
| #endif // ConditionalFeatures_h |