1 files changed, 221 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/ListMenu.java b/src/com/android/camera/ui/ListMenu.java
new file mode 100644
index 000000000..53cd48d9c
--- /dev/null
+++ b/src/com/android/camera/ui/ListMenu.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * 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 java.util.ArrayList;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import com.android.camera.ListPreference;
+import com.android.camera.PreferenceGroup;
+import org.codeaurora.snapcam.R;
+
+/* A popup window that contains several camera settings. */
+public class ListMenu extends ListView
+        implements ListMenuItem.Listener,
+        AdapterView.OnItemClickListener {
+    @SuppressWarnings("unused")
+    private static final String TAG = "ListMenu";
+    private Listener mListener;
+    private ArrayList<ListPreference> mListItem = new ArrayList<ListPreference>();
+
+    // Keep track of which setting items are disabled
+    // e.g. White balance will be disabled when scene mode is set to non-auto
+    private boolean[] mEnabled;
+
+    static public interface Listener {
+        public void onSettingChanged(ListPreference pref);
+
+        public void onPreferenceClicked(ListPreference pref);
+
+        public void onPreferenceClicked(ListPreference pref, int y);
+
+        public void onListMenuTouched();
+    }
+
+    private class MoreSettingAdapter extends ArrayAdapter<ListPreference> {
+        LayoutInflater mInflater;
+        String mOnString;
+        String mOffString;
+
+        MoreSettingAdapter() {
+            super(ListMenu.this.getContext(), 0, mListItem);
+            Context context = getContext();
+            mInflater = LayoutInflater.from(context);
+            mOnString = context.getString(R.string.setting_on);
+            mOffString = context.getString(R.string.setting_off);
+        }
+
+        private int getSettingLayoutId(ListPreference pref) {
+            return R.layout.list_menu_item;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            ListPreference pref = mListItem.get(position);
+            int viewLayoutId = getSettingLayoutId(pref);
+            ListMenuItem view = (ListMenuItem) convertView;
+
+            view = (ListMenuItem)
+                    mInflater.inflate(viewLayoutId, parent, false);
+
+            view.initialize(pref); // no init for restore one
+            view.setSettingChangedListener(ListMenu.this);
+            if (position >= 0 && position < mEnabled.length) {
+                view.setEnabled(mEnabled[position]);
+            } else {
+                Log.w(TAG, "Invalid input: enabled list length, " + mEnabled.length
+                        + " position " + position);
+            }
+            return view;
+        }
+
+        @Override
+        public boolean isEnabled(int position) {
+            if (position >= 0 && position < mEnabled.length) {
+                return mEnabled[position];
+            }
+            return true;
+        }
+    }
+
+    public void setSettingChangedListener(Listener listener) {
+        mListener = listener;
+    }
+
+    public ListMenu(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public void initialize(PreferenceGroup group, String[] keys) {
+        // Prepare the setting items.
+        for (int i = 0; i < keys.length; ++i) {
+            ListPreference pref = group.findPreference(keys[i]);
+            if (pref != null)
+                mListItem.add(pref);
+        }
+
+        ArrayAdapter<ListPreference> mListItemAdapter = new MoreSettingAdapter();
+        setAdapter(mListItemAdapter);
+        setOnItemClickListener(this);
+        setSelector(android.R.color.transparent);
+        // Initialize mEnabled
+        mEnabled = new boolean[mListItem.size()];
+        for (int i = 0; i < mEnabled.length; i++) {
+            mEnabled[i] = true;
+        }
+    }
+
+    // When preferences are disabled, we will display them grayed out. Users
+    // will not be able to change the disabled preferences, but they can still
+    // see
+    // the current value of the preferences
+    public void setPreferenceEnabled(String key, boolean enable) {
+        int count = mEnabled == null ? 0 : mEnabled.length;
+        for (int j = 0; j < count; j++) {
+            ListPreference pref = mListItem.get(j);
+            if (pref != null && key.equals(pref.getKey())) {
+                mEnabled[j] = enable;
+                break;
+            }
+        }
+    }
+
+    public void onSettingChanged(ListPreference pref) {
+        if (mListener != null) {
+            mListener.onSettingChanged(pref);
+        }
+    }
+
+    // Scene mode can override other camera settings (ex: flash mode).
+    public void overrideSettings(final String... keyvalues) {
+        int count = mEnabled == null ? 0 : mEnabled.length;
+        for (int i = 0; i < keyvalues.length; i += 2) {
+            String key = keyvalues[i];
+            String value = keyvalues[i + 1];
+            for (int j = 0; j < count; j++) {
+                ListPreference pref = mListItem.get(j);
+                if (pref != null && key.equals(pref.getKey())) {
+                    // Change preference
+                    if (value != null)
+                        pref.setValue(value);
+                    // If the preference is overridden, disable the preference
+                    boolean enable = value == null;
+                    mEnabled[j] = enable;
+                    if (getChildCount() > j) {
+                        getChildAt(j).setEnabled(enable);
+                    }
+                }
+            }
+        }
+        reloadPreference();
+    }
+
+    public void resetHighlight() {
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View v = getChildAt(i);
+            v.setBackground(null);
+        }
+
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_MOVE) {
+            mListener.onListMenuTouched();
+            resetHighlight();
+        }
+        return super.onTouchEvent(ev);
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position,
+            long id) {
+        if (mListener != null) {
+            resetHighlight();
+            ListPreference pref = mListItem.get(position);
+            view.setBackgroundColor(getContext().getResources().getColor(R.color.setting_color));
+            mListener.onPreferenceClicked(pref, (int) view.getY());
+        }
+
+    }
+
+    public void reloadPreference() {
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            ListPreference pref = mListItem.get(i);
+            if (pref != null) {
+                ListMenuItem listMenuItem =
+                        (ListMenuItem) getChildAt(i);
+                listMenuItem.reloadPreference();
+            }
+        }
+    }
+}