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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.PreferenceGroup;
import com.android.camera.R;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
/**
* A view that contains camera setting indicators which are spread over a
* vertical bar in preview frame.
*/
public class SecondLevelIndicatorControlBar extends IndicatorControl implements
View.OnClickListener {
private static final String TAG = "SecondLevelIndicatorControlBar";
private ImageView mCloseIcon;
int mDegree = 0;
int mSelectedIndex = -1;
public SecondLevelIndicatorControlBar(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void initialize(Context context, PreferenceGroup group,
String[] keys, String[] otherSettingKeys) {
if (mCloseIcon == null) {
mCloseIcon = new ColorFilterImageView(context);
mCloseIcon.setImageResource(R.drawable.btn_close_settings);
mCloseIcon.setOnClickListener(this);
addView(mCloseIcon);
}
setPreferenceGroup(group);
addControls(keys, otherSettingKeys);
if (mDegree != 0) setDegree(mDegree);
}
public void onClick(View view) {
dismissSettingPopup();
mOnIndicatorEventListener.onIndicatorEvent(
OnIndicatorEventListener.EVENT_LEAVE_SECOND_LEVEL_INDICATOR_BAR);
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
if (!onFilterTouchEventForSecurity(event)) return false;
int action = event.getAction();
if (!isEnabled()) return false;
double x = (double) event.getX();
double y = (double) event.getY();
int height = getHeight();
if (height == 0) return false; // the event is sent before onMeasure()
if (x > getWidth()) x = getWidth();
if (y >= height) y = height - 1;
int index = (int) (y * getChildCount()) / height;
View b = getChildAt(index);
b.dispatchTouchEvent(event);
if ((mSelectedIndex != -1) && (index != mSelectedIndex)) {
View v = getChildAt(mSelectedIndex);
if (v instanceof AbstractIndicatorButton) {
AbstractIndicatorButton c = (AbstractIndicatorButton) v;
event.setAction(MotionEvent.ACTION_CANCEL);
c.dispatchTouchEvent(event);
c.dismissPopup();
}
if (action == MotionEvent.ACTION_MOVE) {
event.setAction(MotionEvent.ACTION_DOWN);
b.dispatchTouchEvent(event);
}
}
mSelectedIndex = index;
return true;
}
@Override
public void setDegree(int degree) {
mDegree = degree;
super.setDegree(degree);
}
@Override
protected void onLayout(
boolean changed, int left, int top, int right, int bottom) {
int count = getChildCount();
if (count == 0) return;
int width = right - left;
int height = bottom - top;
int h = height / count;
for (int i = 0; i < count; i++) {
getChildAt(i).layout(0, top + i * height / count, width,
top + i * height / count + h);
}
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (mCurrentMode == MODE_VIDEO) {
mCloseIcon.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
}
mCloseIcon.setEnabled(enabled);
}
}
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