Refactor indicator wheel.

+add IndicatorControlWheel container.

Change-Id: Ia3c7f0441de75a70c8a2172e86d3812b2ef1a15b

1 files changed, 115 insertions, 0 deletions

diff --git a/src/com/android/camera/ui/SecondLevelIndicatorControlBar.java b/src/com/android/camera/ui/SecondLevelIndicatorControlBar.java
new file mode 100644
index 0000000..8fb3599
--- /dev/null
+++ b/src/com/android/camera/ui/SecondLevelIndicatorControlBar.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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.camera.ui;
+
+import com.android.camera.PreferenceGroup;
+import com.android.camera.R;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.ImageView;
+
+/**
+ * A view that contains camera setting indicators which are spread over a
+ * vertical bar in preview frame.
+ */
+public class SecondLevelIndicatorControlBar extends IndicatorControl implements
+        View.OnClickListener {
+    private static final String TAG = "SecondLevelIndicatorControlBar";
+    private ImageView mCloseIcon;
+    int mDegree = 0;
+    int mSelectedIndex = -1;
+
+    public SecondLevelIndicatorControlBar(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void initialize(Context context, PreferenceGroup group,
+            String[] keys, String[] otherSettingKeys) {
+        if (mCloseIcon == null) {
+            mCloseIcon = new ImageView(context);
+            mCloseIcon.setImageResource(R.drawable.btn_close_settings);
+            mCloseIcon.setOnClickListener(this);
+            addView(mCloseIcon);
+        }
+        super.initialize(context, group, keys, otherSettingKeys);
+        if (mDegree != 0) setDegree(mDegree);
+    }
+
+    public void onClick(View view) {
+        dismissSettingPopup();
+        mOnIndicatorEventListener.onIndicatorEvent(
+                    OnIndicatorEventListener.EVENT_LEAVE_SECOND_LEVEL_INDICATOR_BAR);
+    }
+
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent event) {
+        if (!onFilterTouchEventForSecurity(event)) return false;
+
+        int action = event.getAction();
+        if (!isEnabled()) return false;
+
+        double x = (double) event.getX();
+        double y = (double) event.getY();
+        int height = getHeight();
+        if (x > getWidth()) x = getWidth();
+        if (y >= height) y = height - 1;
+
+        int index = (int) (y * getChildCount()) / height;
+        View b = getChildAt(index);
+        b.dispatchTouchEvent(event);
+        if ((mSelectedIndex != -1) && (index != mSelectedIndex)) {
+            View v = getChildAt(mSelectedIndex);
+            if (v instanceof AbstractIndicatorButton) {
+                AbstractIndicatorButton c = (AbstractIndicatorButton) v;
+                event.setAction(MotionEvent.ACTION_CANCEL);
+                c.dispatchTouchEvent(event);
+                c.dismissPopup();
+            }
+
+            if (action == MotionEvent.ACTION_MOVE) {
+                event.setAction(MotionEvent.ACTION_DOWN);
+                b.dispatchTouchEvent(event);
+            }
+        }
+        mSelectedIndex = index;
+        return true;
+    }
+
+    @Override
+    public void setDegree(int degree) {
+        mDegree = degree;
+        super.setDegree(degree);
+    }
+
+    @Override
+    protected void onLayout(
+            boolean changed, int left, int top, int right, int bottom) {
+        int count = getChildCount();
+        if (count == 0) return;
+        int width = right - left;
+        int height = bottom - top;
+        int h = height / count;
+        for (int i = 0; i < count; i++) {
+            getChildAt(i).layout(0, top + i * height / count, width,
+                    top + i * height / count + h);
+        }
+    }
+}