72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/api/event.h"
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#include <utility>
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#include "gin/data_object_builder.h"
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#include "gin/object_template_builder.h"
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#include "shell/common/gin_converters/blink_converter.h"
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#include "shell/common/gin_converters/std_converter.h"
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namespace gin_helper {
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gin::WrapperInfo Event::kWrapperInfo = {gin::kEmbedderNativeGin};
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Event::Event() {}
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Event::~Event() {
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if (callback_) {
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::HandleScope scope(isolate);
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auto message = gin::DataObjectBuilder(isolate)
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.Set("error", "reply was never sent")
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.Build();
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SendReply(isolate, message);
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}
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}
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void Event::SetCallback(InvokeCallback callback) {
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DCHECK(!callback_);
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callback_ = std::move(callback);
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}
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void Event::PreventDefault(v8::Isolate* isolate) {
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v8::Local<v8::Object> self = GetWrapper(isolate).ToLocalChecked();
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self->Set(isolate->GetCurrentContext(),
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gin::StringToV8(isolate, "defaultPrevented"), v8::True(isolate))
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.Check();
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}
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bool Event::SendReply(v8::Isolate* isolate, v8::Local<v8::Value> result) {
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if (!callback_)
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return false;
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blink::CloneableMessage message;
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if (!gin::ConvertFromV8(isolate, result, &message)) {
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return false;
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}
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std::move(callback_).Run(std::move(message));
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return true;
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}
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gin::ObjectTemplateBuilder Event::GetObjectTemplateBuilder(
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v8::Isolate* isolate) {
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return gin::Wrappable<Event>::GetObjectTemplateBuilder(isolate)
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.SetMethod("preventDefault", &Event::PreventDefault)
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.SetMethod("sendReply", &Event::SendReply);
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}
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const char* Event::GetTypeName() {
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return "WebRequest";
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}
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// static
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gin::Handle<Event> Event::Create(v8::Isolate* isolate) {
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return gin::CreateHandle(isolate, new Event());
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}
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} // namespace gin_helper
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