1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "core/components_ng/pattern/navigation/navigation_pattern.h"
17
18 #include "core/components_ng/pattern/navigation/navigation_event_hub.h"
19 #include "core/components_ng/pattern/navigation/nav_bar_layout_property.h"
20 #include "core/components_ng/pattern/navigation/nav_bar_node.h"
21 #include "core/components_ng/pattern/navrouter/navdestination_group_node.h"
22 #include "core/components_ng/pattern/navrouter/navdestination_layout_property.h"
23 #include "core/components_ng/pattern/navrouter/navrouter_group_node.h"
24
25 namespace OHOS::Ace::NG {
26
27 namespace {
28
MountNavBar(const RefPtr<NavigationGroupNode> & hostNode)29 void MountNavBar(const RefPtr<NavigationGroupNode>& hostNode)
30 {
31 auto navigationLayoutProperty = hostNode->GetLayoutProperty<NavigationLayoutProperty>();
32 CHECK_NULL_VOID(navigationLayoutProperty);
33 auto navBarNode = AceType::DynamicCast<NavBarNode>(hostNode->GetNavBarNode());
34 CHECK_NULL_VOID(navBarNode);
35 auto navBarLayoutProperty = navBarNode->GetLayoutProperty<NavBarLayoutProperty>();
36 CHECK_NULL_VOID(navBarLayoutProperty);
37 auto eventHub = hostNode->GetEventHub<NavigationEventHub>();
38 CHECK_NULL_VOID(eventHub);
39 if (navigationLayoutProperty->GetHideNavBar().value_or(false)) {
40 navBarLayoutProperty->UpdateVisibility(VisibleType::GONE);
41 eventHub->FireNavBarStateChangeEvent(false);
42 } else {
43 navBarLayoutProperty->UpdateVisibility(VisibleType::VISIBLE);
44 eventHub->FireNavBarStateChangeEvent(true);
45 }
46 navBarNode->MarkModifyDone();
47 }
48
49 }
50
OnModifyDone()51 void NavigationPattern::OnModifyDone()
52 {
53 auto hostNode = AceType::DynamicCast<NavigationGroupNode>(GetHost());
54 CHECK_NULL_VOID(hostNode);
55 MountNavBar(hostNode);
56 auto navBarNode = AceType::DynamicCast<NavBarNode>(hostNode->GetNavBarNode());
57 CHECK_NULL_VOID(navBarNode);
58 navBarNode->MarkModifyDone();
59 }
60
OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper> & dirty,const DirtySwapConfig & config)61 bool NavigationPattern::OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, const DirtySwapConfig& config)
62 {
63 if (config.skipMeasure && config.skipLayout) {
64 return false;
65 }
66 auto layoutAlgorithmWrapper = DynamicCast<LayoutAlgorithmWrapper>(dirty->GetLayoutAlgorithm());
67 CHECK_NULL_RETURN(layoutAlgorithmWrapper, false);
68 auto navigationLayoutAlgorithm =
69 DynamicCast<NavigationLayoutAlgorithm>(layoutAlgorithmWrapper->GetLayoutAlgorithm());
70 CHECK_NULL_RETURN(navigationLayoutAlgorithm, false);
71 auto hostNode = AceType::DynamicCast<NavigationGroupNode>(GetHost());
72 CHECK_NULL_RETURN(hostNode, false);
73 auto navigationLayoutProperty = AceType::DynamicCast<NavigationLayoutProperty>(hostNode->GetLayoutProperty());
74 CHECK_NULL_RETURN(navigationLayoutProperty, false);
75 navigationLayoutProperty->UpdateNavigationMode(navigationLayoutAlgorithm->GetNavigationMode());
76 return false;
77 }
78
79 } // namespace OHOS::Ace::NG