File: lazy_background_page_native_handler.cc

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (49 lines) | stat: -rw-r--r-- 1,704 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// 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