1 files changed, 155 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/ControlPanel.java b/src/com/android/camera/ui/ControlPanel.java
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+++ b/src/com/android/camera/ui/ControlPanel.java
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+/*
+ * 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.CameraSettings;
+import com.android.camera.ComboPreferences;
+import com.android.camera.IconListPreference;
+import com.android.camera.PreferenceGroup;
+import com.android.camera.R;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.KeyEvent;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ListView;
+import android.widget.RelativeLayout;
+
+public class ControlPanel extends RelativeLayout
+        implements BasicSettingPicker.Listener, IndicatorWheel.Listener,
+        View.OnClickListener {
+    private static final String TAG = "ControlPanel";
+    private Context mContext;
+    private ComboPreferences mSharedPrefs;
+    private PreferenceGroup mPreferenceGroup;
+    private String[] mPreferenceKeys;
+    private Listener mListener;
+    private IndicatorWheel mIndicatorWheel;
+    private BasicSettingPicker[] mSettingPickers;
+    private int mActiveIndicator = -1;
+
+    private ListView mThumbnailList;
+
+    static public interface Listener {
+        public void onSharedPreferencesChanged();
+    }
+
+    public void setListener(Listener listener) {
+        mListener = listener;
+    }
+
+    public ControlPanel(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mContext = context;
+    }
+
+    protected void addIndicator(
+            Context context, PreferenceGroup group, String key) {
+        IconListPreference pref = (IconListPreference) group.findPreference(key);
+        if (pref == null) return;
+        IndicatorButton b = new IndicatorButton(context, pref);
+        mIndicatorWheel.addView(b);
+    }
+
+    private void addOtherSettingIndicator(Context context) {
+        Button b = new Button(context);
+        b.setBackgroundResource(R.drawable.ic_viewfinder_settings);
+        b.setClickable(false);
+        mIndicatorWheel.addView(b);
+    }
+
+    public void initialize(Context context, PreferenceGroup group, String[] keys) {
+        mPreferenceGroup = group;
+        mPreferenceKeys = keys;
+        // Add one more for other settings.
+        mSettingPickers = new BasicSettingPicker[mPreferenceKeys.length + 1];
+        mIndicatorWheel = (IndicatorWheel) findViewById(R.id.indicator_wheel);
+        mThumbnailList = (ListView) findViewById(R.id.thumbnail_list);
+        mSharedPrefs = ComboPreferences.get(context);
+        for (int i = 0; i < mPreferenceKeys.length; i++) {
+            addIndicator(context, group, mPreferenceKeys[i]);
+        }
+        addOtherSettingIndicator(context);
+        requestLayout();
+        mIndicatorWheel.setListener(this);
+    }
+
+    public void onSharedPreferenceChanged() {
+        mIndicatorWheel.updateIndicator(mActiveIndicator);
+        if (mListener != null) {
+            mListener.onSharedPreferencesChanged();
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.setting_exit:
+                hideSettingPicker();
+                break;
+        }
+    }
+
+    public void onIndicatorClicked(int index) {
+        if (mSettingPickers[index] == null) {
+            initializeSettingPicker(index);
+        }
+        if (!showSettingPicker(index)) {
+            hideSettingPicker();
+        }
+    }
+
+    private void initializeSettingPicker(int index) {
+        if (index >= mPreferenceKeys.length) return;
+        IconListPreference pref = (IconListPreference)
+                mPreferenceGroup.findPreference(mPreferenceKeys[index]);
+
+        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
+                Context.LAYOUT_INFLATER_SERVICE);
+        inflater.inflate(R.layout.setting_picker, this);
+        mSettingPickers[index] = (BasicSettingPicker) getChildAt(getChildCount() - 1);
+        mSettingPickers[index].setSharedPreferenceChangedListener(this);
+        mSettingPickers[index].initialize(pref);
+        View v = mSettingPickers[index].findViewById(R.id.setting_exit);
+        v.setOnClickListener(this);
+    }
+
+    private boolean showSettingPicker(int index) {
+        if (mSettingPickers[index] == null) return false;
+
+        mThumbnailList.setVisibility(View.INVISIBLE);
+        for (int i = 0; i < mSettingPickers.length; i++) {
+            if (i != index && mSettingPickers[i] != null) {
+                mSettingPickers[i].setVisibility(View.INVISIBLE);
+            }
+        }
+        mSettingPickers[index].setVisibility(View.VISIBLE);
+        mActiveIndicator = index;
+        return true;
+    }
+
+    public void hideSettingPicker() {
+        if (mActiveIndicator >= 0) {
+            mSettingPickers[mActiveIndicator].setVisibility(View.INVISIBLE);
+            mThumbnailList.setVisibility(View.VISIBLE);
+            mActiveIndicator = -1;
+        }
+    }
+}