extensions/renderer/lazy_background_page_native_handler.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/renderer/lazy_background_page_native_handler.h"

#include "base/functional/bind.h"
#include "content/public/renderer/render_frame.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/script_context.h"

namespace extensions {

LazyBackgroundPageNativeHandler::LazyBackgroundPageNativeHandler(
    ScriptContext* context)
    : ObjectBackedNativeHandler(context) {}

void LazyBackgroundPageNativeHandler::AddRoutes() {
  RouteHandlerFunction(
      "IncrementKeepaliveCount", "tts",
      base::BindRepeating(
          &LazyBackgroundPageNativeHandler::IncrementKeepaliveCount,
          base::Unretained(this)));
  RouteHandlerFunction(
      "DecrementKeepaliveCount", "tts",
      base::BindRepeating(
          &LazyBackgroundPageNativeHandler::DecrementKeepaliveCount,
          base::Unretained(this)));
}

void LazyBackgroundPageNativeHandler::IncrementKeepaliveCount(
    const v8::FunctionCallbackInfo<v8::Value>& args) {
  if (context() && ExtensionFrameHelper::IsContextForEventPage(context())) {
    ExtensionFrameHelper::Get(context()->GetRenderFrame())
        ->GetLocalFrameHost()
        ->IncrementLazyKeepaliveCount();
  }
}

void LazyBackgroundPageNativeHandler::DecrementKeepaliveCount(
    const v8::FunctionCallbackInfo<v8::Value>& args) {
  if (context() && ExtensionFrameHelper::IsContextForEventPage(context())) {
    ExtensionFrameHelper::Get(context()->GetRenderFrame())
        ->GetLocalFrameHost()
        ->DecrementLazyKeepaliveCount();
  }
}

}  // namespace extensions