1 files changed, 83 insertions, 0 deletions
diff --git a/src/com/android/inputmethod/latin/CandidateViewContainer.java b/src/com/android/inputmethod/latin/CandidateViewContainer.java
new file mode 100644
index 000000000..e13f2738c
--- /dev/null
+++ b/src/com/android/inputmethod/latin/CandidateViewContainer.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2008-2009 Google Inc.
+ * 
+ * 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.
+ */
+
+package com.android.inputmethod.latin;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnTouchListener;
+import android.widget.LinearLayout;
+
+public class CandidateViewContainer extends LinearLayout implements OnTouchListener {
+
+    private View mButtonLeft;
+    private View mButtonRight;
+    private View mButtonLeftLayout;
+    private View mButtonRightLayout;
+    private CandidateView mCandidates;
+    
+    public CandidateViewContainer(Context screen, AttributeSet attrs) {
+        super(screen, attrs);
+    }
+
+    public void initViews() {
+        if (mCandidates == null) {
+            mButtonLeftLayout = findViewById(R.id.candidate_left_parent);
+            mButtonLeft = findViewById(R.id.candidate_left);
+            if (mButtonLeft != null) {
+                mButtonLeft.setOnTouchListener(this);
+            }
+            mButtonRightLayout = findViewById(R.id.candidate_right_parent);
+            mButtonRight = findViewById(R.id.candidate_right);
+            if (mButtonRight != null) {
+                mButtonRight.setOnTouchListener(this);
+            }
+            mCandidates = (CandidateView) findViewById(R.id.candidates);
+        }
+    }
+
+    @Override
+    public void requestLayout() {
+        if (mCandidates != null) {
+            int availableWidth = mCandidates.getWidth();
+            int neededWidth = mCandidates.computeHorizontalScrollRange();
+            int x = mCandidates.getScrollX();
+            boolean leftVisible = x > 0;
+            boolean rightVisible = x + availableWidth < neededWidth;
+            if (mButtonLeftLayout != null) {
+                mButtonLeftLayout.setVisibility(leftVisible ? VISIBLE : GONE);
+            }
+            if (mButtonRightLayout != null) {
+                mButtonRightLayout.setVisibility(rightVisible ? VISIBLE : GONE);
+            }
+        }
+        super.requestLayout();
+    }
+
+    public boolean onTouch(View v, MotionEvent event) {
+        if (event.getAction() == MotionEvent.ACTION_DOWN) {
+            if (v == mButtonRight) {
+                mCandidates.scrollNext();
+            } else if (v == mButtonLeft) {
+                mCandidates.scrollPrev();
+            }
+        }
+        return false;
+    }
+    
+}