[ATSPI] Hypertext and Hyperlink interface support - dbus glue-code
[platform/core/uifw/dali-adaptor.git] / dali / internal / accessibility / bridge / bridge-hypertext.cpp
1 /*
2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17
18 // EXTERNAL INCLUDES
19 #include <string>
20
21 // INTERNAL INCLUDES
22 #include <dali/internal/accessibility/bridge/bridge-hypertext.h>
23
24 using namespace Dali::Accessibility;
25
26 void BridgeHypertext::RegisterInterfaces()
27 {
28   DBus::DBusInterfaceDescription desc{AtspiDbusInterfaceHypertext};
29   AddFunctionToInterface(desc, "GetNLinks", &BridgeHypertext::GetLinkCount);
30   AddFunctionToInterface(desc, "GetLink", &BridgeHypertext::GetLink);
31   AddFunctionToInterface(desc, "GetLinkIndex", &BridgeHypertext::GetLinkIndex);
32   mDbusServer.addInterface("/", desc, true);
33 }
34
35 Hypertext* BridgeHypertext::FindSelf() const
36 {
37   auto self = BridgeBase::FindSelf();
38   assert(self);
39   auto hypertextInterface = dynamic_cast<Hypertext*>(self);
40   if(!hypertextInterface)
41   {
42     throw std::domain_error{"object " + self->GetAddress().ToString() + " doesn't have Hypertext interface"};
43   }
44   return hypertextInterface;
45 }
46
47 DBus::ValueOrError<int32_t> BridgeHypertext::GetLinkCount()
48 {
49   return FindSelf()->GetLinkCount();
50 }
51
52 DBus::ValueOrError<Dali::Accessibility::Accessible*> BridgeHypertext::GetLink(int32_t linkIndex)
53 {
54   return FindSelf()->GetLink(linkIndex);
55 }
56
57 DBus::ValueOrError<int32_t> BridgeHypertext::GetLinkIndex(int32_t characterOffset)
58 {
59   return FindSelf()->GetLinkIndex(characterOffset);
60 }