android: support selection invalidation, show selection handles

Change-Id: I82909e6426d4e9fd5dc7b9c9e6e1b21259cf9a57

1 files changed, 50 insertions, 0 deletions

diff --git a/android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitTileProvider.java b/android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitTileProvider.java
index eb7cb40701b6..1fd138871d13 100644
--- a/android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitTileProvider.java
+++ b/android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitTileProvider.java
@@ -398,6 +398,18 @@ public class LOKitTileProvider implements TileProvider, Document.MessageCallback
             case Document.CALLBACK_INVALIDATE_VISIBLE_CURSOR:
                 invalidateCursor(payload);
                 break;
+            case Document.CALLBACK_INVALIDATE_TEXT_SELECTION:
+                Log.i(LOGTAG, "Selection: " + payload);
+                invalidateSelection(payload);
+                break;
+            case Document.CALLBACK_INVALIDATE_TEXT_SELECTION_START:
+                Log.i(LOGTAG, "Selection start: " + payload);
+                invalidateSelectionStart(payload);
+                break;
+            case Document.CALLBACK_INVALIDATE_TEXT_SELECTION_END:
+                Log.i(LOGTAG, "Selection end: " + payload);
+                invalidateSelectionEnd(payload);
+                break;
         }
     }
 
@@ -421,6 +433,44 @@ public class LOKitTileProvider implements TileProvider, Document.MessageCallback
             LOKitShell.sendTileInvalidationRequest(rect);
         }
     }
+
+    private void invalidateSelectionStart(String payload) {
+        RectF rect = convertCallbackMessageStringToRectF(payload);
+        if (rect != null) {
+            RectF underSelection = new RectF(rect.centerX(), rect.bottom, rect.centerX(), rect.bottom);
+            TextSelection textSelection = LibreOfficeMainActivity.mAppContext.getTextSelection();
+            textSelection.positionHandle(TextSelectionHandle.HandleType.START, underSelection);
+            textSelection.showHandle(TextSelectionHandle.HandleType.START);
+
+            textSelection.hideHandle(TextSelectionHandle.HandleType.MIDDLE);
+
+            TextCursorLayer textCursorLayer = LibreOfficeMainActivity.mAppContext.getTextCursorLayer();
+            textCursorLayer.hideCursor();
+        }
+    }
+
+    private void invalidateSelectionEnd(String payload) {
+        RectF rect = convertCallbackMessageStringToRectF(payload);
+        if (rect != null) {
+            RectF underSelection = new RectF(rect.centerX(), rect.bottom, rect.centerX(), rect.bottom);
+            TextSelection textSelection = LibreOfficeMainActivity.mAppContext.getTextSelection();
+            textSelection.positionHandle(TextSelectionHandle.HandleType.END, underSelection);
+            textSelection.showHandle(TextSelectionHandle.HandleType.END);
+
+            textSelection.hideHandle(TextSelectionHandle.HandleType.MIDDLE);
+
+            TextCursorLayer textCursorLayer = LibreOfficeMainActivity.mAppContext.getTextCursorLayer();
+            textCursorLayer.hideCursor();
+        }
+    }
+
+    private void invalidateSelection(String payload) {
+        if (payload.isEmpty()) {
+            TextSelection textSelection = LibreOfficeMainActivity.mAppContext.getTextSelection();
+            textSelection.hideHandle(TextSelectionHandle.HandleType.START);
+            textSelection.hideHandle(TextSelectionHandle.HandleType.END);
+        }
+    }
 }
 
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