| // 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"; |
| case PAGE_TRANSITION_FROM_API_3: |
| return "api3"; |
| } |
| return NULL; |
| } |
| |
| } // namespace ui |