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- // Copyright (c) 2010 The Chromium Authors. All rights reserved.
- // 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"
- namespace ui {
- bool PageTransitionCoreTypeIs(PageTransition lhs,
- PageTransition rhs) {
- // Expect the rhs to be a compile time constant without qualifiers.
- DCHECK_EQ(PageTransitionGetQualifier(rhs), 0);
- DCHECK(PageTransitionIsValidType(rhs));
- return static_cast<int32_t>(PageTransitionStripQualifier(lhs)) ==
- static_cast<int32_t>(PageTransitionStripQualifier(rhs));
- }
- bool PageTransitionTypeIncludingQualifiersIs(PageTransition lhs,
- PageTransition rhs) {
- return static_cast<int32_t>(lhs) == static_cast<int32_t>(rhs);
- }
- PageTransition PageTransitionStripQualifier(PageTransition type) {
- return static_cast<PageTransition>(type & ~PAGE_TRANSITION_QUALIFIER_MASK);
- }
- bool PageTransitionIsValidType(int32_t type) {
- PageTransition t = PageTransitionStripQualifier(
- static_cast<PageTransition>(type));
- return (t <= PAGE_TRANSITION_LAST_CORE);
- }
- PageTransition PageTransitionFromInt(int32_t type) {
- if (!PageTransitionIsValidType(type)) {
- NOTREACHED() << "Invalid transition type " << type;
- // Return a safe default so we don't have corrupt data in release mode.
- return PAGE_TRANSITION_LINK;
- }
- 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);
- }
- int32_t PageTransitionGetQualifier(PageTransition type) {
- return type & PAGE_TRANSITION_QUALIFIER_MASK;
- }
- bool PageTransitionIsWebTriggerable(PageTransition type) {
- int32_t 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;
- }
- return false;
- }
- const char* PageTransitionGetCoreTransitionString(PageTransition type) {
- int32_t 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";
- }
- return nullptr;
- }
- } // namespace ui
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