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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSDstyle license that can be
// found in the LICENSE file.
#include "core/html/HTMLIFrameElementPermissions.h"
#include "core/html/HTMLIFrameElement.h"
#include "wtf/HashMap.h"
#include "wtf/text/StringBuilder.h"
namespace blink {
namespace {
struct SupportedPermission {
const char* name;
WebPermissionType type;
};
const SupportedPermission kSupportedPermissions[] = {
{"geolocation", WebPermissionTypeGeolocation},
{"notifications", WebPermissionTypeNotifications},
{"midi", WebPermissionTypeMidiSysEx},
};
// Returns true if the name is valid and the type is stored in |result|.
bool getPermissionType(const AtomicString& name, WebPermissionType* result) {
for (const SupportedPermission& permission : kSupportedPermissions) {
if (name == permission.name) {
if (result)
*result = permission.type;
return true;
}
}
return false;
}
} // namespace
HTMLIFrameElementPermissions::HTMLIFrameElementPermissions(
HTMLIFrameElement* element)
: DOMTokenList(this), m_element(element) {}
HTMLIFrameElementPermissions::~HTMLIFrameElementPermissions() {}
DEFINE_TRACE(HTMLIFrameElementPermissions) {
visitor->trace(m_element);
DOMTokenList::trace(visitor);
DOMTokenListObserver::trace(visitor);
}
Vector<WebPermissionType>
HTMLIFrameElementPermissions::parseDelegatedPermissions(
String& invalidTokensErrorMessage) const {
Vector<WebPermissionType> permissions;
unsigned numTokenErrors = 0;
StringBuilder tokenErrors;
const SpaceSplitString& tokens = this->tokens();
for (size_t i = 0; i < tokens.size(); ++i) {
WebPermissionType type;
if (getPermissionType(tokens[i], &type)) {
permissions.push_back(type);
} else {
if (numTokenErrors)
tokenErrors.append(", '");
else
tokenErrors.append('\'');
tokenErrors.append(tokens[i]);
tokenErrors.append('\'');
++numTokenErrors;
}
}
if (numTokenErrors) {
if (numTokenErrors > 1)
tokenErrors.append(" are invalid permissions flags.");
else
tokenErrors.append(" is an invalid permissions flag.");
invalidTokensErrorMessage = tokenErrors.toString();
}
return permissions;
}
bool HTMLIFrameElementPermissions::validateTokenValue(
const AtomicString& tokenValue,
ExceptionState&) const {
WebPermissionType unused;
return getPermissionType(tokenValue, &unused);
}
void HTMLIFrameElementPermissions::valueWasSet() {
if (m_element)
m_element->permissionsValueWasSet();
}
} // namespace blink
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