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// Copyright 2015 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.
#include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
#include <utility>
#include "base/bind.h"
#include "base/memory/ptr_util.h"
#include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
#include "components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h"
#include "content/public/renderer/render_frame.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
#include "services/service_manager/public/cpp/interface_registry.h"
#include "v8/include/v8.h"
namespace dom_distiller {
DistillerJsRenderFrameObserver::DistillerJsRenderFrameObserver(
content::RenderFrame* render_frame,
const int distiller_isolated_world_id)
: RenderFrameObserver(render_frame),
distiller_isolated_world_id_(distiller_isolated_world_id),
is_distiller_page_(false),
weak_factory_(this) {}
DistillerJsRenderFrameObserver::~DistillerJsRenderFrameObserver() {}
void DistillerJsRenderFrameObserver::DidStartProvisionalLoad(
blink::WebDataSource* data_source) {
RegisterMojoInterface();
}
void DistillerJsRenderFrameObserver::DidFinishLoad() {
// If no message about the distilled page was received at this point, there
// will not be one; remove the mojom::DistillerPageNotifierService from the
// registry.
render_frame()
->GetInterfaceRegistry()
->RemoveInterface<mojom::DistillerPageNotifierService>();
}
void DistillerJsRenderFrameObserver::DidCreateScriptContext(
v8::Local<v8::Context> context,
int world_id) {
if (world_id != distiller_isolated_world_id_ || !is_distiller_page_) {
return;
}
native_javascript_handle_.reset(
new DistillerNativeJavaScript(render_frame()));
native_javascript_handle_->AddJavaScriptObjectToFrame(context);
}
void DistillerJsRenderFrameObserver::RegisterMojoInterface() {
render_frame()->GetInterfaceRegistry()->AddInterface(base::Bind(
&DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService,
weak_factory_.GetWeakPtr()));
}
void DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService(
mojo::InterfaceRequest<mojom::DistillerPageNotifierService> request) {
mojo::MakeStrongBinding(
base::MakeUnique<DistillerPageNotifierServiceImpl>(this),
std::move(request));
}
void DistillerJsRenderFrameObserver::SetIsDistillerPage() {
is_distiller_page_ = true;
}
void DistillerJsRenderFrameObserver::OnDestruct() {
delete this;
}
} // namespace dom_distiller
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