1 files changed, 134 insertions, 0 deletions
diff --git a/src/com/android/camera/MenuController.java b/src/com/android/camera/MenuController.java
new file mode 100644
index 000000000..333a5f2aa
--- /dev/null
+++ b/src/com/android/camera/MenuController.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ * Not a Contribution.
+ *
+ * Copyright (C) 2012 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;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import android.app.Activity;
+import android.util.Log;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.android.camera.CameraPreference.OnPreferenceChangedListener;
+import com.android.camera.ui.RotateImageView;
+
+public class MenuController {
+
+    private static String TAG = "CAM_menucontrol";
+
+    protected static final int MODE_PHOTO = 0;
+    protected static final int MODE_VIDEO = 1;
+
+    protected Activity mActivity;
+    protected PreferenceGroup mPreferenceGroup;
+    protected OnPreferenceChangedListener mListener;
+    protected List<IconListPreference> mPreferences;
+    protected Map<IconListPreference, View> mPreferenceMap;
+    private Map<IconListPreference, String> mOverrides;
+
+    public void setListener(OnPreferenceChangedListener listener) {
+        mListener = listener;
+    }
+
+    public MenuController(Activity activity) {
+        mActivity = activity;
+        mPreferences = new ArrayList<IconListPreference>();
+        mPreferenceMap = new HashMap<IconListPreference, View>();
+        mOverrides = new HashMap<IconListPreference, String>();
+    }
+
+    public void initialize(PreferenceGroup group) {
+        mPreferenceMap.clear();
+        setPreferenceGroup(group);
+        mPreferences.clear();
+        mOverrides.clear();
+    }
+
+    public void onSettingChanged(ListPreference pref) {
+        if (mListener != null) {
+            mListener.onSharedPreferenceChanged();
+        }
+    }
+
+    protected void setCameraId(int cameraId) {
+        ListPreference pref = mPreferenceGroup.findPreference(CameraSettings.KEY_CAMERA_ID);
+        pref.setValue("" + cameraId);
+    }
+
+    public void setPreferenceGroup(PreferenceGroup group) {
+        mPreferenceGroup = group;
+    }
+
+    public void reloadPreferences() {
+        mPreferenceGroup.reloadValue();
+        for (IconListPreference pref : mPreferences) {
+            reloadPreference(pref);
+        }
+    }
+
+    protected void reloadPreference(IconListPreference pref) {
+        View switcher = mPreferenceMap.get(pref);
+        if (switcher == null)
+            return;
+        String overrideValue = mOverrides.get(pref);
+        int index;
+        if (overrideValue == null) {
+            index = pref.findIndexOfValue(pref.getValue());
+        } else {
+            index = pref.findIndexOfValue(overrideValue);
+            if (index == -1) {
+                // Avoid the crash if camera driver has bugs.
+                Log.e(TAG, "Fail to find override value=" + overrideValue);
+                pref.print();
+                return;
+            }
+        }
+        ImageView iv = (ImageView) ((FrameLayout) switcher).getChildAt(0);
+        iv.setImageResource(pref.getLargeIconIds()[index]);
+
+    }
+
+    // Scene mode may override other camera settings (ex: flash mode).
+    public void overrideSettings(final String... keyvalues) {
+        if (keyvalues.length % 2 != 0) {
+            throw new IllegalArgumentException();
+        }
+        for (IconListPreference pref : mPreferences) {
+            override(pref, keyvalues);
+        }
+    }
+
+    private void override(IconListPreference pref, final String... keyvalues) {
+        mOverrides.remove(pref);
+        for (int i = 0; i < keyvalues.length; i += 2) {
+            String key = keyvalues[i];
+            String value = keyvalues[i + 1];
+            if (key.equals(pref.getKey())) {
+                mOverrides.put(pref, value);
+                break;
+            }
+        }
+        reloadPreference(pref);
+    }
+}