1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "extensions/common/ad_injection_constants.h" 6 7 #include "base/strings/string_util.h" 8 9 namespace extensions { 10 namespace ad_injection_constants { 11 12 namespace keys { 13 14 const char kType[] = "type"; 15 const char kChildren[] = "children"; 16 const char kSrc[] = "src"; 17 const char kHref[] = "href"; 18 19 } // namespace keys 20 21 const char kHtmlIframeSrcApiName[] = "HTMLIFrameElement.src"; 22 const char kHtmlEmbedSrcApiName[] = "HTMLEmbedElement.src"; 23 const char kHtmlAnchorHrefApiName[] = "HTMLAnchorElement.href"; 24 const char kAppendChildApiSuffix[] = "appendChild"; 25 26 // The maximum number of children to check when we examine a newly-added 27 // element. 28 extern const size_t kMaximumChildrenToCheck = 10u; 29 30 // The maximum depth to check when we examine a newly-added element. 31 extern const size_t kMaximumDepthToCheck = 5u; 32 33 bool ApiCanInjectAds(const std::string& api) { 34 return api == kHtmlIframeSrcApiName || 35 api == kHtmlEmbedSrcApiName || 36 api == kHtmlAnchorHrefApiName || 37 EndsWith(api, kAppendChildApiSuffix, true /* case sensitive */); 38 } 39 40 } // namespace ad_injection_constants 41 } // namespace extensions 42
