From 14f6ace29bd15fe6c35b173bfeb7bd03e39a7d8f Mon Sep 17 00:00:00 2001
From: chrys <chrys87@web.de>
Date: Mon, 18 Jun 2018 00:15:35 +0200
Subject: [PATCH] add soundicon for BarrierMode

---
 .../21000-reset_barrier_change.py             | 24 ++++++++
 src/fenrirscreenreader/core/barrierManager.py | 59 +++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/fenrirscreenreader/commands/onScreenChanged/21000-reset_barrier_change.py
 create mode 100644 src/fenrirscreenreader/core/barrierManager.py

diff --git a/src/fenrirscreenreader/commands/onScreenChanged/21000-reset_barrier_change.py b/src/fenrirscreenreader/commands/onScreenChanged/21000-reset_barrier_change.py
new file mode 100644
index 00000000..7e19bada
--- /dev/null
+++ b/src/fenrirscreenreader/commands/onScreenChanged/21000-reset_barrier_change.py
@@ -0,0 +1,24 @@
+
+#!/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+
+from fenrirscreenreader.core import debug
+
+class command():
+    def __init__(self):
+        pass
+    def initialize(self, environment):
+        self.env = environment
+    def shutdown(self):
+        pass
+    def getDescription(self):
+        return 'No Description found'   
+
+    def run(self):
+        self.env['runtime']['barrierManager'].resetBarrierChange()
+
+    def setCallback(self, callback):
+        pass
diff --git a/src/fenrirscreenreader/core/barrierManager.py b/src/fenrirscreenreader/core/barrierManager.py
new file mode 100644
index 00000000..3346599f
--- /dev/null
+++ b/src/fenrirscreenreader/core/barrierManager.py
@@ -0,0 +1,59 @@
+#!/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+
+from fenrirscreenreader.core import debug
+import re, string
+
+class barrierManager():
+    def __init__(self):
+        self.currIsBarrier = False
+        self.prefIsBarrier = False
+    def initialize(self, environment):
+        self.env = environment  
+    def shutdown(self):
+        pass  
+    def updateBarrierChange(self, isBarrier):  
+        self.prefIsBarrier = self.currIsBarrier
+        self.currIsBarrier = isBarrier
+       
+    def resetBarrierChange(self):  
+        self.currIsBarrier = False
+        self.prefIsBarrier = False
+    def isBarrierChange(self):
+        return self.currIsBarrier != self.prefIsBarrier
+    def handleLineBarrier(self, line, xCursor, output=True, doInterrupt=True):
+        isBarrier, sayLine = self.getBarrierText(line, xCursor)
+        self.updateBarrierChange(isBarrier)
+        #if self.isBarrierChange():
+        if isBarrier:
+            if output:
+                self.env['runtime']['outputManager'].playSoundIcon(soundIcon='SpeechOn', interrupt=doInterrupt)  
+        return sayLine               
+              
+    def hasBarrier(self, start, end):
+        # check for corners here
+        return True
+    def getBarrierText(self, line, xCursor):
+        offset = xCursor     
+        # is the cursor at the begin or end of an entry:   
+        #print(line[:offset + 1].count('│'),line[offset:].count('│'))
+        if line[:offset + 1].count('│') > line[offset:].count('│'):
+            offset = xCursor - 1
+            
+        start = line[:offset + 1].rfind('│') + 1
+        end = line[offset + 1:].find('│')
+        if start == end:
+            return False, line
+        if start == -1:
+            return False, line
+        if end == -1:
+            return False, line
+        else:
+            end +=  offset + 1
+        if not self.hasBarrier(start, end):
+            return False, line
+        return True, line[start:end]
+