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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 android.annotation.TargetApi;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import com.android.camera.IconListPreference;
import com.android.camera.R;
import com.android.gallery3d.common.ApiHelper;
import java.util.ArrayList;
import java.util.HashMap;
// A popup window that shows video effect setting. It has two grid view.
// One shows the goofy face effects. The other shows the background replacer
// effects.
public class EffectSettingPopup extends AbstractSettingPopup implements
AdapterView.OnItemClickListener, View.OnClickListener {
private static final String TAG = "EffectSettingPopup";
private String mNoEffect;
private IconListPreference mPreference;
private Listener mListener;
private View mClearEffects;
private GridView mSillyFacesGrid;
private GridView mBackgroundGrid;
// Data for silly face items. (text, image, and preference value)
ArrayList<HashMap<String, Object>> mSillyFacesItem =
new ArrayList<HashMap<String, Object>>();
// Data for background replacer items. (text, image, and preference value)
ArrayList<HashMap<String, Object>> mBackgroundItem =
new ArrayList<HashMap<String, Object>>();
static public interface Listener {
public void onSettingChanged();
}
public EffectSettingPopup(Context context, AttributeSet attrs) {
super(context, attrs);
mNoEffect = context.getString(R.string.pref_video_effect_default);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mClearEffects = findViewById(R.id.clear_effects);
mClearEffects.setOnClickListener(this);
mSillyFacesGrid = (GridView) findViewById(R.id.effect_silly_faces);
mBackgroundGrid = (GridView) findViewById(R.id.effect_background);
}
public void initialize(IconListPreference preference) {
mPreference = preference;
Context context = getContext();
CharSequence[] entries = mPreference.getEntries();
CharSequence[] entryValues = mPreference.getEntryValues();
int[] iconIds = mPreference.getImageIds();
if (iconIds == null) {
iconIds = mPreference.getLargeIconIds();
}
// Set title.
mTitle.setText(mPreference.getTitle());
for(int i = 0; i < entries.length; ++i) {
String value = entryValues[i].toString();
if (value.equals(mNoEffect)) continue; // no effect, skip it.
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("value", value);
map.put("text", entries[i].toString());
if (iconIds != null) map.put("image", iconIds[i]);
if (value.startsWith("goofy_face")) {
mSillyFacesItem.add(map);
} else if (value.startsWith("backdropper")) {
mBackgroundItem.add(map);
}
}
boolean hasSillyFaces = mSillyFacesItem.size() > 0;
boolean hasBackground = mBackgroundItem.size() > 0;
// Initialize goofy face if it is supported.
if (hasSillyFaces) {
findViewById(R.id.effect_silly_faces_title).setVisibility(View.VISIBLE);
findViewById(R.id.effect_silly_faces_title_separator).setVisibility(View.VISIBLE);
mSillyFacesGrid.setVisibility(View.VISIBLE);
SimpleAdapter sillyFacesItemAdapter = new SimpleAdapter(context,
mSillyFacesItem, R.layout.effect_setting_item,
new String[] {"text", "image"},
new int[] {R.id.text, R.id.image});
mSillyFacesGrid.setAdapter(sillyFacesItemAdapter);
mSillyFacesGrid.setOnItemClickListener(this);
}
if (hasSillyFaces && hasBackground) {
findViewById(R.id.effect_background_separator).setVisibility(View.VISIBLE);
}
// Initialize background replacer if it is supported.
if (hasBackground) {
findViewById(R.id.effect_background_title).setVisibility(View.VISIBLE);
findViewById(R.id.effect_background_title_separator).setVisibility(View.VISIBLE);
mBackgroundGrid.setVisibility(View.VISIBLE);
SimpleAdapter backgroundItemAdapter = new SimpleAdapter(context,
mBackgroundItem, R.layout.effect_setting_item,
new String[] {"text", "image"},
new int[] {R.id.text, R.id.image});
mBackgroundGrid.setAdapter(backgroundItemAdapter);
mBackgroundGrid.setOnItemClickListener(this);
}
reloadPreference();
}
@Override
public void setVisibility(int visibility) {
if (visibility == View.VISIBLE) {
if (getVisibility() != View.VISIBLE) {
// Do not show or hide "Clear effects" button when the popup
// is already visible. Otherwise it looks strange.
boolean noEffect = mPreference.getValue().equals(mNoEffect);
mClearEffects.setVisibility(noEffect ? View.GONE : View.VISIBLE);
}
reloadPreference();
}
super.setVisibility(visibility);
}
// The value of the preference may have changed. Update the UI.
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
@Override
public void reloadPreference() {
mBackgroundGrid.setItemChecked(mBackgroundGrid.getCheckedItemPosition(), false);
mSillyFacesGrid.setItemChecked(mSillyFacesGrid.getCheckedItemPosition(), false);
String value = mPreference.getValue();
if (value.equals(mNoEffect)) return;
for (int i = 0; i < mSillyFacesItem.size(); i++) {
if (value.equals(mSillyFacesItem.get(i).get("value"))) {
mSillyFacesGrid.setItemChecked(i, true);
return;
}
}
for (int i = 0; i < mBackgroundItem.size(); i++) {
if (value.equals(mBackgroundItem.get(i).get("value"))) {
mBackgroundGrid.setItemChecked(i, true);
return;
}
}
Log.e(TAG, "Invalid preference value: " + value);
mPreference.print();
}
public void setSettingChangedListener(Listener listener) {
mListener = listener;
}
@Override
public void onItemClick(AdapterView<?> parent, View view,
int index, long id) {
String value;
if (parent == mSillyFacesGrid) {
value = (String) mSillyFacesItem.get(index).get("value");
} else if (parent == mBackgroundGrid) {
value = (String) mBackgroundItem.get(index).get("value");
} else {
return;
}
// Tapping the selected effect will deselect it (clear effects).
if (value.equals(mPreference.getValue())) {
mPreference.setValue(mNoEffect);
} else {
mPreference.setValue(value);
}
reloadPreference();
if (mListener != null) mListener.onSettingChanged();
}
@Override
public void onClick(View v) {
// Clear the effect.
mPreference.setValue(mNoEffect);
reloadPreference();
if (mListener != null) mListener.onSettingChanged();
}
}
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