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path: root/src/com/android/camera/PhotoMenu.java
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/*
 * 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 android.content.res.Resources;
import android.hardware.Camera.Parameters;

import com.android.camera.ui.AbstractSettingPopup;
import com.android.camera.ui.CountdownTimerPopup;
import com.android.camera.ui.ListPrefSettingPopup;
import com.android.camera.ui.PieItem;
import com.android.camera.ui.PieItem.OnClickListener;
import com.android.camera.ui.PieRenderer;
import com.android.gallery3d.R;

import java.util.Locale;

public class PhotoMenu extends PieController
        implements CountdownTimerPopup.Listener,
        ListPrefSettingPopup.Listener {
    private static String TAG = "CAM_photomenu";

    private final String mSettingOff;

    private PhotoUI mUI;
    private AbstractSettingPopup mPopup;
    private CameraActivity mActivity;

    public PhotoMenu(CameraActivity activity, PhotoUI ui, PieRenderer pie) {
        super(activity, pie);
        mUI = ui;
        mSettingOff = activity.getString(R.string.setting_off_value);
        mActivity = activity;
    }

    public void initialize(PreferenceGroup group) {
        super.initialize(group);
        mPopup = null;
        PieItem item = null;
        final Resources res = mActivity.getResources();
        Locale locale = res.getConfiguration().locale;
        // the order is from left to right in the menu

        // hdr
        if (group.findPreference(CameraSettings.KEY_CAMERA_HDR) != null) {
            item = makeSwitchItem(CameraSettings.KEY_CAMERA_HDR, true);
            mRenderer.addItem(item);
        }
        // exposure compensation
        if (group.findPreference(CameraSettings.KEY_EXPOSURE) != null) {
            item = makeItem(CameraSettings.KEY_EXPOSURE);
            item.setLabel(res.getString(R.string.pref_exposure_label));
            mRenderer.addItem(item);
        }
        // more settings
        PieItem more = makeItem(R.drawable.ic_settings_holo_light);
        more.setLabel(res.getString(R.string.camera_menu_more_label));
        mRenderer.addItem(more);
        // flash
        if (group.findPreference(CameraSettings.KEY_FLASH_MODE) != null) {
            item = makeItem(CameraSettings.KEY_FLASH_MODE);
            item.setLabel(res.getString(R.string.pref_camera_flashmode_label));
            mRenderer.addItem(item);
        }
        // camera switcher
        if (group.findPreference(CameraSettings.KEY_CAMERA_ID) != null) {
            item = makeSwitchItem(CameraSettings.KEY_CAMERA_ID, false);
            final PieItem fitem = item;
            item.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(PieItem item) {
                    // Find the index of next camera.
                    ListPreference pref = mPreferenceGroup
                            .findPreference(CameraSettings.KEY_CAMERA_ID);
                    if (pref != null) {
                        int index = pref.findIndexOfValue(pref.getValue());
                        CharSequence[] values = pref.getEntryValues();
                        index = (index + 1) % values.length;
                        pref.setValueIndex(index);
                        mListener.onCameraPickerClicked(index);
                    }
                    updateItem(fitem, CameraSettings.KEY_CAMERA_ID);
                }
            });
            mRenderer.addItem(item);
        }
        // location
        if (group.findPreference(CameraSettings.KEY_RECORD_LOCATION) != null) {
            item = makeSwitchItem(CameraSettings.KEY_RECORD_LOCATION, true);
            more.addItem(item);
            if (mActivity.isSecureCamera()) {
                // Prevent location preference from getting changed in secure camera mode
                item.setEnabled(false);
            }
        }
        // countdown timer
        final ListPreference ctpref = group.findPreference(CameraSettings.KEY_TIMER);
        final ListPreference beeppref = group.findPreference(CameraSettings.KEY_TIMER_SOUND_EFFECTS);
        item = makeItem(R.drawable.ic_timer);
        item.setLabel(res.getString(R.string.pref_camera_timer_title).toUpperCase(locale));
        item.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(PieItem item) {
                CountdownTimerPopup timerPopup = (CountdownTimerPopup) mActivity.getLayoutInflater().inflate(
                        R.layout.countdown_setting_popup, null, false);
                timerPopup.initialize(ctpref, beeppref);
                timerPopup.setSettingChangedListener(PhotoMenu.this);
                mUI.dismissPopup();
                mPopup = timerPopup;
                mUI.showPopup(mPopup);
            }
        });
        more.addItem(item);
        // image size
        item = makeItem(R.drawable.ic_imagesize);
        final ListPreference sizePref = group.findPreference(CameraSettings.KEY_PICTURE_SIZE);
        item.setLabel(res.getString(R.string.pref_camera_picturesize_title).toUpperCase(locale));
        item.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(PieItem item) {
                ListPrefSettingPopup popup = (ListPrefSettingPopup) mActivity.getLayoutInflater().inflate(
                        R.layout.list_pref_setting_popup, null, false);
                popup.initialize(sizePref);
                popup.setSettingChangedListener(PhotoMenu.this);
                mUI.dismissPopup();
                mPopup = popup;
                mUI.showPopup(mPopup);
            }
        });
        more.addItem(item);
        // white balance
        if (group.findPreference(CameraSettings.KEY_WHITE_BALANCE) != null) {
            item = makeItem(CameraSettings.KEY_WHITE_BALANCE);
            item.setLabel(res.getString(R.string.pref_camera_whitebalance_label));
            more.addItem(item);
        }
        // scene mode
        if (group.findPreference(CameraSettings.KEY_SCENE_MODE) != null) {
            IconListPreference pref = (IconListPreference) group.findPreference(
                    CameraSettings.KEY_SCENE_MODE);
            pref.setUseSingleIcon(true);
            item = makeItem(CameraSettings.KEY_SCENE_MODE);
            more.addItem(item);
        }
    }

    @Override
    // Hit when an item in a popup gets selected
    public void onListPrefChanged(ListPreference pref) {
        if (mPopup != null) {
            mUI.dismissPopup();
        }
        onSettingChanged(pref);
    }

    public void popupDismissed() {
        if (mPopup != null) {
            mPopup = null;
        }
    }

    // Return true if the preference has the specified key but not the value.
    private static boolean notSame(ListPreference pref, String key, String value) {
        return (key.equals(pref.getKey()) && !value.equals(pref.getValue()));
    }

    private void setPreference(String key, String value) {
        ListPreference pref = mPreferenceGroup.findPreference(key);
        if (pref != null && !value.equals(pref.getValue())) {
            pref.setValue(value);
            reloadPreferences();
        }
    }

    @Override
    public void onSettingChanged(ListPreference pref) {
        // Reset the scene mode if HDR is set to on. Reset HDR if scene mode is
        // set to non-auto.
        if (notSame(pref, CameraSettings.KEY_CAMERA_HDR, mSettingOff)) {
            setPreference(CameraSettings.KEY_SCENE_MODE, Parameters.SCENE_MODE_AUTO);
        } else if (notSame(pref, CameraSettings.KEY_SCENE_MODE, Parameters.SCENE_MODE_AUTO)) {
            setPreference(CameraSettings.KEY_CAMERA_HDR, mSettingOff);
        }
        super.onSettingChanged(pref);
    }
}