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// Copyright 2010 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/page_transition_types.h"
#include <ostream>
#include "base/check_op.h"
#include "base/notreached.h"
#include "base/types/cxx23_to_underlying.h"
namespace ui {
bool PageTransitionCoreTypeIs(PageTransition lhs,
PageTransition rhs) {
// Expect the rhs to have no qualifiers.
DCHECK(IsValidPageTransitionType(base::to_underlying(rhs)));
const auto rhs_core = PageTransitionStripQualifier(rhs);
DCHECK(PageTransitionTypeIncludingQualifiersIs(rhs, rhs_core));
return PageTransitionTypeIncludingQualifiersIs(
PageTransitionStripQualifier(lhs), rhs_core);
}
bool PageTransitionTypeIncludingQualifiersIs(PageTransition lhs,
PageTransition rhs) {
return base::to_underlying(lhs) == base::to_underlying(rhs);
}
PageTransition PageTransitionStripQualifier(PageTransition type) {
return static_cast<PageTransition>(type & ~PAGE_TRANSITION_QUALIFIER_MASK);
}
bool IsValidPageTransitionType(int32_t type) {
return (type & ~PAGE_TRANSITION_QUALIFIER_MASK) <= PAGE_TRANSITION_LAST_CORE;
}
PageTransition PageTransitionFromInt(int32_t type) {
CHECK(IsValidPageTransitionType(type))
<< "Invalid transition type: " << type
<< ". Untrusted data needs to be validated using "
"IsValidPageTransitionType().";
return static_cast<PageTransition>(type);
}
bool PageTransitionIsMainFrame(PageTransition type) {
return !PageTransitionCoreTypeIs(type, PAGE_TRANSITION_AUTO_SUBFRAME) &&
!PageTransitionCoreTypeIs(type, PAGE_TRANSITION_MANUAL_SUBFRAME);
}
bool PageTransitionIsRedirect(PageTransition type) {
return (type & PAGE_TRANSITION_IS_REDIRECT_MASK) != 0;
}
bool PageTransitionIsNewNavigation(PageTransition type) {
return (type & PAGE_TRANSITION_FORWARD_BACK) == 0 &&
!PageTransitionCoreTypeIs(type, PAGE_TRANSITION_RELOAD);
}
PageTransition PageTransitionGetQualifier(PageTransition type) {
return static_cast<PageTransition>(type & PAGE_TRANSITION_QUALIFIER_MASK);
}
bool PageTransitionIsWebTriggerable(PageTransition type) {
const PageTransition t = PageTransitionStripQualifier(type);
switch (t) {
case PAGE_TRANSITION_LINK:
case PAGE_TRANSITION_AUTO_SUBFRAME:
case PAGE_TRANSITION_MANUAL_SUBFRAME:
case PAGE_TRANSITION_FORM_SUBMIT:
return true;
default:
return false;
}
}
const char* PageTransitionGetCoreTransitionString(PageTransition type) {
const PageTransition t = PageTransitionStripQualifier(type);
switch (t) {
case PAGE_TRANSITION_LINK: return "link";
case PAGE_TRANSITION_TYPED: return "typed";
case PAGE_TRANSITION_AUTO_BOOKMARK: return "auto_bookmark";
case PAGE_TRANSITION_AUTO_SUBFRAME: return "auto_subframe";
case PAGE_TRANSITION_MANUAL_SUBFRAME: return "manual_subframe";
case PAGE_TRANSITION_GENERATED: return "generated";
case PAGE_TRANSITION_AUTO_TOPLEVEL: return "auto_toplevel";
case PAGE_TRANSITION_FORM_SUBMIT: return "form_submit";
case PAGE_TRANSITION_RELOAD: return "reload";
case PAGE_TRANSITION_KEYWORD: return "keyword";
case PAGE_TRANSITION_KEYWORD_GENERATED: return "keyword_generated";
default:
NOTREACHED();
return nullptr;
}
}
} // namespace ui
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