Add Accessibility APIssubmit/tizen/20170510.061246accepted/tizen/unified/20170510.183228

Now Widget inherit the AccessibleObject.
AccessibleObject is implement of the IAccessibleObject.
AccessibleUtil inherit the EvasObject.
AccessibleUtil for Say static method.
AccessibleRelation can be use for relationship between AccessibleObjects
And another enums used in Accessible API.

Change-Id: Ied3dbeb326ac80a9dfe94d3ffa2926c88c460141
Signed-off-by: pius.lee <pius.lee@samsung.com>

5 files changed, 660 insertions, 1 deletions

diff --git a/ElmSharp.Test/ElmSharp.Test.csproj b/ElmSharp.Test/ElmSharp.Test.csproj
index 0333f12..ed2ba74 100755
--- a/ElmSharp.Test/ElmSharp.Test.csproj
+++ b/ElmSharp.Test/ElmSharp.Test.csproj
@@ -40,11 +40,14 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TC\AccessibilityRelationTest.cs" />
+    <Compile Include="TC\AccessibilityTest.cs" />
     <Compile Include="TC\BackgroundTest1.cs" />
     <Compile Include="TC\BackgroundTest2.cs" />
     <Compile Include="TC\BackgroundTest3.cs" />
     <Compile Include="TC\GenListTest10.cs" />
     <Compile Include="TC\LabelTest4.cs" />
+    <Compile Include="TC\Log.cs" />
     <Compile Include="TC\MultibuttonEntryTest1.cs" />
     <Compile Include="TC\DateTimeSelectorTest2.cs" />
     <Compile Include="TC\EntryTest2.cs" />
@@ -201,4 +204,4 @@
       </FlavorProperties>
     </VisualStudio>
   </ProjectExtensions>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/ElmSharp.Test/TC/AccessibilityRelationTest.cs b/ElmSharp.Test/TC/AccessibilityRelationTest.cs
new file mode 100644
index 0000000..53ccf2c
--- /dev/null
+++ b/ElmSharp.Test/TC/AccessibilityRelationTest.cs
@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Linq;
+using ElmSharp;
+using ElmSharp.Accessible;
+
+namespace ElmSharp.Test
+{
+    class AccessibilityRelationTest : TestCaseBase
+    {
+        public override string TestName => "AccessibilityRelationTest";
+        public override string TestDescription => "Accessibility Relation API test";
+
+        public override void Run(Window win)
+        {
+            Conformant conformant = new Conformant(win);
+            conformant.Show();
+
+            Box box = new Box(win);
+            box.Show();
+            conformant.SetContent(box);
+
+            Button button1 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "LabelledBy" };
+            Label label1 = new Label(win) { Text = "LabelFor" };
+
+            button1.Show();
+            label1.Show();
+
+            box.PackEnd(button1);
+            box.PackEnd(label1);
+
+            ((IAccessibleObject)button1).AppendRelation(new LabelledBy() { Target = label1 });
+            ((IAccessibleObject)label1).AppendRelation(new LabelFor() { Target = button1 });
+
+            button1.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)button1).RemoveRelation(new LabelledBy() { Target = label1 });
+                ((IAccessibleObject)label1).RemoveRelation(new LabelFor() { Target = button1 });
+            };
+
+            Label label8 = new Label(win) { WeightX = 1, AlignmentX = -1,  Text = "ControlledBy" };
+            Button button3 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "ControllerFor" };
+
+            label8.Show();
+            button3.Show();
+
+            box.PackEnd(label8);
+            box.PackEnd(button3);
+
+            ((IAccessibleObject)label8).AppendRelation(new ControlledBy() { Target = button3 });
+            ((IAccessibleObject)button3).AppendRelation(new ControllerFor() { Target = label8 });
+
+            button3.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)label8).RemoveRelation(new ControlledBy() { Target = button3 });
+                ((IAccessibleObject)button3).RemoveRelation(new ControllerFor() { Target = label8 });
+            };
+
+            Box box2 = new Box(win) { WeightX = 1, AlignmentX = -1};
+            Label label2 = new Label(win) { Text = "Group" };
+            Button button4 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "Member" };
+
+            box2.Show();
+            label2.Show();
+            button4.Show();
+
+            ((IAccessibleObject)label2).AppendRelation(new LabelFor() { Target = box2 });
+            ((IAccessibleObject)label2).AppendRelation(new MemberOf() { Target = box2 });
+            ((IAccessibleObject)box2).AppendRelation(new LabelledBy() { Target = label2 });
+            ((IAccessibleObject)button4).AppendRelation(new MemberOf() { Target = box2 });
+
+            box2.PackEnd(label2);
+            box2.PackEnd(button4);
+            box.PackEnd(box2);
+
+            button4.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)label2).RemoveRelation(new LabelFor() { Target = box2 });
+                ((IAccessibleObject)label2).RemoveRelation(new MemberOf() { Target = box2 });
+                ((IAccessibleObject)box2).RemoveRelation(new LabelledBy() { Target = label2 });
+                ((IAccessibleObject)button4).RemoveRelation(new MemberOf() { Target = box2 });
+            };
+
+            Button button6 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "Xbutton" };
+            Label label3 = new Label(win) { Text = "Tooltip of Xbutton" };
+
+            button6.Show();
+            label3.Show();
+
+            ((IAccessibleObject)label3).AppendRelation(new TooltipFor() { Target = button6 });
+
+            box.PackEnd(button6);
+            box.PackEnd(label3);
+
+            button6.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)label3).RemoveRelation(new TooltipFor() { Target = button6 });
+            };
+
+            Box box3 = new Box(win) { WeightX = 1, AlignmentX = -1};
+            Label label4 = new Label(win) { Text = "Child of inner box" };
+            Button button7 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "child of inner box" };
+
+            box3.Show();
+            label4.Show();
+            button7.Show();
+
+            ((IAccessibleObject)box3).AppendRelation(new ParentOf() { Target = label4 });
+            ((IAccessibleObject)box3).AppendRelation(new ParentOf() { Target = button7 });
+            ((IAccessibleObject)label4).AppendRelation(new ChildOf() { Target = box3 });
+            ((IAccessibleObject)button7).AppendRelation(new ChildOf() { Target = box3 });
+
+            box3.PackEnd(label4);
+            box3.PackEnd(button7);
+            box.PackEnd(box3);
+
+            button7.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)box3).RemoveRelation(new ParentOf() { Target = label4 });
+                ((IAccessibleObject)box3).RemoveRelation(new ParentOf() { Target = button7 });
+                ((IAccessibleObject)label4).RemoveRelation(new ChildOf() { Target = box3 });
+                ((IAccessibleObject)button7).RemoveRelation(new ChildOf() { Target = box3 });
+            };
+
+            Label label6 = new Label(win) { Text = "Extended" };
+            Button button12 = new Button(win) { WeightX = 1, AlignmentX = -1, Text = "Not Extended" };
+
+            label6.Show();
+            button12.Show();
+
+            ((IAccessibleObject)label6).AppendRelation(new Extended() { Target = button12 });
+
+            box.PackEnd(button12);
+            box.PackEnd(label6);
+
+            button12.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)label6).RemoveRelation(new Extended() { Target = button12 });
+            };
+
+            Button button8 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "FlowsTo" };
+            Button button9 = new Button(win) { WeightX = 1, AlignmentX = -1,  Text = "FlowsFrom" };
+
+            button8.Show();
+            button9.Show();
+
+            ((IAccessibleObject)button8).AppendRelation(new FlowsTo() { Target = button9 });
+            ((IAccessibleObject)button9).AppendRelation(new FlowsFrom() { Target = button8 });
+
+            box.PackEnd(button8);
+            box.PackEnd(button9);
+
+            button8.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)button8).RemoveRelation(new FlowsTo() { Target = button9 });
+            };
+
+            button9.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)button9).RemoveRelation(new FlowsFrom() { Target = button8 });
+            };
+
+            Button button10 = new Button(win) { WeightX = 1, AlignmentX = -1, Text = "EmbeddedBy" };
+
+            button10.Show();
+
+            ((IAccessibleObject)button10).AppendRelation(new EmbeddedBy() { Target = box });
+            ((IAccessibleObject)box).AppendRelation(new Embeds() { Target = button10 });
+
+            box.PackEnd(button10);
+
+            button10.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)button10).RemoveRelation(new EmbeddedBy() { Target = box });
+                ((IAccessibleObject)box).RemoveRelation(new Embeds() { Target = button10 });
+            };
+
+            Button button11 = new Button(win) { WeightX = 1, AlignmentX = -1, Text = "popup" };
+
+            button11.Show();
+
+            Popup popup = new Popup(win)
+            {
+                Orientation = PopupOrientation.Top,
+                Timeout = 5
+            };
+            popup.Append("Popup!!");
+
+            ((IAccessibleObject)popup).AppendRelation(new PopupFor() { Target = button11 });
+            ((IAccessibleObject)popup).AppendRelation(new SubwindowOf() { Target = box });
+            ((IAccessibleObject)box).AppendRelation(new ParentWindowOf() { Target = popup });
+
+            popup.OutsideClicked += (s, e) =>
+            {
+                popup.Hide();
+            };
+
+
+            button11.Clicked += (s, e) =>
+            {
+                popup.Show();
+            };
+
+            box.PackEnd(button11);
+
+            Button button13 = new Button(win) { WeightX = 1, AlignmentX = -1, Text = "Remove Popup Relation"};
+
+            button13.Show();
+
+            box.PackEnd(button13);
+
+            button13.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)popup).RemoveRelation(new PopupFor() { Target = button11 });
+                ((IAccessibleObject)popup).RemoveRelation(new SubwindowOf() { Target = box });
+                ((IAccessibleObject)box).RemoveRelation(new ParentWindowOf() { Target = popup });
+            };
+
+            Label label7 = new Label(win) { WeightX = 1, AlignmentX = -1,
+                Text = "This is Test for Accessibility Relation Append Test"};
+            label7.Show();
+
+            ((IAccessibleObject)label7).AppendRelation(new DescriptionFor() { Target = box });
+            ((IAccessibleObject)box).AppendRelation(new DescribedBy() { Target = label7 });
+
+            box.PackEnd(label7);
+
+            Button button14 = new Button(win) { WeightX = 1, AlignmentX = -1, Text = "Remove Description Relation"};
+            button14.Show();
+            box.PackEnd(button14);
+
+            button14.Clicked += (s, e) =>
+            {
+                ((IAccessibleObject)label7).RemoveRelation(new DescriptionFor() { Target = box });
+                ((IAccessibleObject)box).RemoveRelation(new DescribedBy() { Target = label7 });
+            };
+        }
+    }
+}
diff --git a/ElmSharp.Test/TC/AccessibilityRoleTest.cs b/ElmSharp.Test/TC/AccessibilityRoleTest.cs
new file mode 100644
index 0000000..aeccbb6
--- /dev/null
+++ b/ElmSharp.Test/TC/AccessibilityRoleTest.cs
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Linq;
+using ElmSharp;
+using ElmSharp.Accessible;
+
+namespace ElmSharp.Test
+{
+    class AccessibilityRoleTest : TestCaseBase
+    {
+        public override string TestName => "AccessibilityRoleTest";
+        public override string TestDescription => "Accessibility Role API test";
+
+        public override void Run(Window win)
+        {
+            Conformant conformant = new Conformant(win);
+            conformant.Show();
+
+            Box box = new Box(win);
+            box.Show();
+
+            // AcceleratorLabel
+            Label acceleratorLabel = new Label(win)
+            {
+                Text = "AcceleratorLabel"
+            };
+
+            Label alertLabel = new Label(win)
+            {
+                Text = "Alert";
+            };
+
+            Label Animation = new Label(win)
+            {
+            };
+
+            conformant.SetContent(conformant);
+        }
+    }
+}
+
diff --git a/ElmSharp.Test/TC/AccessibilityTest.cs b/ElmSharp.Test/TC/AccessibilityTest.cs
new file mode 100644
index 0000000..3072f1b
--- /dev/null
+++ b/ElmSharp.Test/TC/AccessibilityTest.cs
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Linq;
+using ElmSharp;
+using ElmSharp.Accessible;
+
+namespace ElmSharp.Test
+{
+    class AccessibilityTest : TestCaseBase
+    {
+        public override string TestName => "AccessibilityTest";
+        public override string TestDescription => "Accessibility API test";
+
+        int sequence = 0;
+        Naviframe navi;
+
+        Array accessRoleValues;
+
+        public override void Run(Window window)
+        {
+            accessRoleValues = Enum.GetValues(typeof(AccessRole));
+
+            Conformant conformant = new Conformant(window);
+            conformant.Show();
+
+            navi = new Naviframe(window)
+            {
+                PreserveContentOnPop = true,
+                DefaultBackButtonEnabled = true
+            };
+
+            navi.Push(CreatePage(window, "Main page"), "first page");
+            navi.Show();
+            conformant.SetContent(navi);
+        }
+
+        static string StatusStr(ReadingStatus status)
+        {
+            if (status == ReadingStatus.Unknown)
+            {
+                return "Unknown";
+            }
+            else if (status == ReadingStatus.Cancelled)
+            {
+                return "Cancelled";
+            }
+            else if (status == ReadingStatus.Stoppped)
+            {
+                return "Stopped";
+            }
+            else if (status == ReadingStatus.Skipped)
+            {
+                return "Skipped";
+            }
+            else
+            {
+                return "invalid";
+            }
+        }
+
+        Widget CreatePage(Window win, string pageName)
+        {
+            Box box = new Box(win);
+            ((IAccessibleObject)box).Name = pageName;
+
+            box.Show();
+
+            Button abutton = new Button(win)
+            {
+                Text = "Accessibility-normal",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            ((IAccessibleObject)abutton).TranslationDomain = "kr";
+            ((IAccessibleObject)abutton).Name = "Accessibility";
+            ((IAccessibleObject)abutton).Description = "Description for Accessibility";
+
+            Label abutton_label = new Label(win)
+            {
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            abutton_label.Text =
+                "domain : " + ((IAccessibleObject)abutton).TranslationDomain +
+                ", name : " + ((IAccessibleObject)abutton).Name +
+                ", desc : " + ((IAccessibleObject)abutton).Description;
+
+            Button bbutton = new Button(win)
+            {
+                Text = "Accessibility-provider",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            ((IAccessibleObject)bbutton).NameProvider = (obj) => "Name-provider";
+            ((IAccessibleObject)bbutton).DescriptionProvider = (obj) => "Description-provider";
+
+            Label bbutton_label = new Label(win)
+            {
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            bbutton_label.Text =
+                "name : " + ((IAccessibleObject)bbutton).Name +
+                ", desc : " + ((IAccessibleObject)bbutton).Description;
+
+            Button cbutton = new Button(win)
+            {
+                Text = "Readingtype,CanHighlight",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            ((IAccessibleObject)cbutton).ReadingInfoType =
+                ReadingInfoType.Name | ReadingInfoType.Role | ReadingInfoType.Description;
+            ((IAccessibleObject)cbutton).Name = "FooFoo";
+            ((IAccessibleObject)cbutton).Role = AccessRole.Text;
+            ((IAccessibleObject)cbutton).Description = "FooFooButton";
+            Label name_onoff_label = new Label(win)
+            {
+                Text = "ReadingInfoType.Name : " +
+                    ((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Name) != 0 ? "on" : "off"),
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            Label role_onoff_label = new Label(win)
+            {
+                Text = "ReadingInfoType.Role : " +
+                    ((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Role) != 0 ? "on" : "off"),
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            Label description_onoff_label = new Label(win)
+            {
+                Text = "ReadingInfoType.Description : " +
+                    ((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.Description) != 0 ? "on" : "off"),
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            Label state_onoff_label = new Label(win)
+            {
+                Text = "ReadingInfoType.State : " +
+                    ((((IAccessibleObject)cbutton).ReadingInfoType & ReadingInfoType.State) != 0 ? "on" : "off"),
+                WeightX = 1,
+                AlignmentX = -1
+            };
+
+            Button saybutton = new Button(win)
+            {
+                Text = "HHGG with false",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+
+            Button saybutton2 = new Button(win)
+            {
+                Text = "HHGG with true",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+
+            int labelIndex = 0;
+            Button roleButton = new Button(win)
+            {
+                WeightX = 1,
+                AlignmentX = -1
+            };
+
+            roleButton.Clicked += (s, e) =>
+            {
+                if (labelIndex >= accessRoleValues.Length)
+                {
+                    labelIndex = 0;
+                }
+
+                IAccessibleObject obj = roleButton as IAccessibleObject;
+                AccessRole role = (AccessRole) accessRoleValues.GetValue(labelIndex);
+                obj.Role = role;
+                roleButton.Text = Enum.GetName(typeof(AccessRole), obj.Role);
+
+                labelIndex++;
+            };
+
+            Label label = new Label(win)
+            {
+                Text = string.Format("{0} Apple", sequence++),
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            ((IAccessibleObject)label).Name = "Apple";
+
+            Button push = new Button(win)
+            {
+                Text = "Push",
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            ((IAccessibleObject)push).Name = "PushButton";
+
+            Button pop = new Button(win)
+            {
+                Text = "pop",
+                WeightX = 1,
+                AlignmentX = -1,
+            };
+            ((IAccessibleObject)pop).Name = "PopButton";
+
+            abutton.Show();
+            abutton_label.Show();
+            bbutton.Show();
+            bbutton_label.Show();
+            cbutton.Show();
+            name_onoff_label.Show();
+            role_onoff_label.Show();
+            description_onoff_label.Show();
+            state_onoff_label.Show();
+            saybutton.Show();
+            saybutton2.Show();
+            roleButton.Show();
+            label.Show();
+            push.Show();
+            pop.Show();
+
+            push.Clicked += (s, e) =>
+            {
+                NaviItem item = navi.Push(CreatePage(win, string.Format("Apple {0}", sequence -1)), string.Format("Page {0}", sequence -1));
+            };
+
+            Label statusLog = new Label(win)
+            {
+                WeightX = 1,
+                AlignmentX = -1
+            };
+            statusLog.Show();
+
+            saybutton.Clicked += (s, e) =>
+            {
+                    AccessibleUtil.Say("The Hitchhiker's Guide to the Galaxy", false)
+                        .ContinueWith(status => { statusLog.Text = StatusStr(status.Result); });
+            };
+            saybutton2.Clicked += (s, e) =>
+            {
+                    AccessibleUtil.Say("The Hitchhiker's Guide to the Galaxy", true)
+                        .ContinueWith(status => { statusLog.Text = StatusStr(status.Result); });
+            };
+
+            pop.Clicked += (s, e) =>
+            {
+                var item = navi.NavigationStack.LastOrDefault();
+                navi.Pop();
+            };
+
+            box.PackEnd(abutton);
+            box.PackEnd(abutton_label);
+            box.PackEnd(bbutton);
+            box.PackEnd(bbutton_label);
+            box.PackEnd(cbutton);
+            box.PackEnd(name_onoff_label);
+            box.PackEnd(role_onoff_label);
+            box.PackEnd(description_onoff_label);
+            box.PackEnd(state_onoff_label);
+            box.PackEnd(saybutton);
+            box.PackEnd(saybutton2);
+            box.PackEnd(roleButton);
+            box.PackEnd(label);
+            box.PackEnd(push);
+            box.PackEnd(pop);
+            box.PackEnd(statusLog);
+
+            return box;
+        }
+    }
+}
diff --git a/ElmSharp.Test/TC/Log.cs b/ElmSharp.Test/TC/Log.cs
new file mode 100644
index 0000000..37313aa
--- /dev/null
+++ b/ElmSharp.Test/TC/Log.cs
@@ -0,0 +1,60 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+
+namespace ElmSharp.Test
+{
+    internal static class Log
+    {
+        const string Library = "libdlog.so.0";
+        const string TAG = "ElmSharp.Test";
+
+        public static void Debug(string message,
+                [CallerFilePath] string file = "",
+                [CallerMemberName] string func = "",
+                [CallerLineNumber] int line = 0)
+        {
+            Print(LogPriority.DLOG_DEBUG, TAG, message, file, func, line);
+        }
+
+        public static void Info(string message,
+                [CallerFilePath] string file = "",
+                [CallerMemberName] string func = "",
+                [CallerLineNumber] int line = 0)
+        {
+            Print(LogPriority.DLOG_DEBUG, TAG, message, file, func, line);
+        }
+
+        public static void Error(string message,
+                [CallerFilePath] string file = "",
+                [CallerMemberName] string func = "",
+                [CallerLineNumber] int line = 0)
+        {
+            Print(LogPriority.DLOG_DEBUG, TAG, message, file, func, line);
+        }
+
+        internal enum LogPriority
+        {
+            DLOG_UNKNOWN = 0,
+            DLOG_DEFAULT,
+            DLOG_VERBOSE,
+            DLOG_DEBUG,
+            DLOG_INFO,
+            DLOG_WARN,
+            DLOG_ERROR,
+            DLOG_FATAL,
+            DLOG_SILENT,
+            DLOG_PRIO_MAX,
+        }
+
+        private static void Print(LogPriority priority, string tag, string message, string file, string func, int line)
+        {
+            FileInfo finfo = new FileInfo(file);
+            Print(priority, tag, "%s: %s(%d) > %s", finfo.Name, func, line, message);
+        }
+
+        [DllImportAttribute(Library, EntryPoint = "dlog_print")]
+        internal static extern int Print(LogPriority prio, string tag, string fmt, string file, string func, int line, string msg);
+    }
+}