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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 com.android.camera.Util;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
/**
* A view that contains the top-level indicator control.
*/
public class IndicatorControlBar extends IndicatorControl implements
View.OnClickListener {
private static final String TAG = "IndicatorControlBar";
// Space between indicator icons.
public static final int ICON_SPACING = Util.dpToPixel(16);
private ImageView mZoomIcon;
private ImageView mSecondLevelIcon;
private ZoomControlBar mZoomControl;
public IndicatorControlBar(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFinishInflate() {
mSecondLevelIcon = (ImageView)
findViewById(R.id.second_level_indicator_bar_icon);
mSecondLevelIcon.setOnClickListener(this);
}
public void initialize(Context context, PreferenceGroup group,
boolean zoomSupported) {
setPreferenceGroup(group);
// Add CameraPicker control.
initializeCameraPicker();
mCameraPicker.setBackgroundResource(R.drawable.bg_pressed);
// Add the ZoomControl if supported.
if (zoomSupported) {
mZoomControl = (ZoomControlBar) findViewById(R.id.zoom_control);
mZoomControl.setVisibility(View.VISIBLE);
}
requestLayout();
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
super.dispatchTouchEvent(event);
// We need to consume the event, or it will trigger tap-to-focus.
return true;
}
public void onClick(View view) {
dismissSettingPopup();
// Only for the click on mSecondLevelIcon.
mOnIndicatorEventListener.onIndicatorEvent(
OnIndicatorEventListener.EVENT_ENTER_SECOND_LEVEL_INDICATOR_BAR);
}
@Override
protected void onLayout(
boolean changed, int left, int top, int right, int bottom) {
int count = getChildCount();
if (count == 0) return;
// We have (equal) paddings at left and right, but no padding at top or
// bottom.
int padding = getPaddingLeft();
int width = right - left;
int height = bottom - top;
// We want the icons to be square (size x size)
int size = height;
mSecondLevelIcon.layout(padding, 0, padding + size, size);
// Layout the zoom control if required.
if (mZoomControl != null) {
mZoomControl.layout(padding + size, 0, width - padding - size, size);
}
if (mCameraPicker != null) {
mCameraPicker.layout(width - padding - size, 0, width - padding, size);
}
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (mCurrentMode == MODE_VIDEO) {
mSecondLevelIcon.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
} else {
// We also disable the zoom button during snapshot.
enableZoom(enabled);
}
mSecondLevelIcon.setEnabled(enabled);
}
public void enableZoom(boolean enabled) {
if (mZoomControl != null) mZoomControl.setEnabled(enabled);
}
}
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