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/*
* Copyright (C) 2011 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 com.android.camera.ui.RotateImageView;
import android.content.Context;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
/**
* A widget that includes three mode selections {@code RotateImageView}'s and
* a current mode indicator.
*/
public class ModePicker extends RelativeLayout implements View.OnClickListener {
public static final int MODE_PANORAMA = 0;
public static final int MODE_VIDEO = 1;
public static final int MODE_CAMERA = 2;
/** A callback to be called when the user wants to switch activity. */
public interface OnModeChangeListener {
// Returns true if the listener agrees that the mode can be changed.
public boolean onModeChanged(int newMode);
}
private final int DISABLED_COLOR;
private OnModeChangeListener mListener;
private View mModeIcons[] = new View[3];
private View mCurrentModeIcon;
private View mModeSelection;
private int mCurrentMode = MODE_CAMERA;
private Context mContext;
public ModePicker(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
DISABLED_COLOR = context.getResources().getColor(R.color.icon_disabled_color);
}
protected void onFinishInflate() {
super.onFinishInflate();
mModeSelection = findViewById(R.id.mode_selection);
mCurrentModeIcon = findViewById(R.id.current_mode);
mCurrentModeIcon.setOnClickListener(this);
mModeIcons[MODE_PANORAMA] = findViewById(R.id.mode_panorama);
mModeIcons[MODE_VIDEO] = findViewById(R.id.mode_video);
mModeIcons[MODE_CAMERA] = findViewById(R.id.mode_camera);
}
private void enableModeSelection(boolean enabled) {
mCurrentModeIcon.setVisibility(enabled ? View.INVISIBLE : View.VISIBLE);
mCurrentModeIcon.setOnClickListener(enabled ? null : this);
mModeSelection.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
for (int i = 0; i < 3; ++i) {
mModeIcons[i].setOnClickListener(enabled ? this : null);
highlightCurrentMode(mModeIcons[i], (i == mCurrentMode));
}
}
public void onClick(View view) {
for (int i = 0; i < 3; ++i) {
if (view == mModeIcons[i]) {
setCurrentMode(i);
enableModeSelection(false);
return;
}
}
if (view == mCurrentModeIcon) enableModeSelection(true);
}
private void setMode(int mode) {
for (int i = 0; i < 3; ++i) mModeIcons[i].setSelected(mode == i);
}
public void setOnModeChangeListener(OnModeChangeListener listener) {
mListener = listener;
}
public void setCurrentMode(int mode) {
setMode(mode);
tryToSetMode(mode);
}
private void tryToSetMode(int mode) {
if (mListener != null) {
if (!mListener.onModeChanged(mode)) {
setMode(mCurrentMode);
return;
}
}
((RotateImageView) mCurrentModeIcon).setImageDrawable(
((RotateImageView) mModeIcons[mode]).getDrawable());
mCurrentMode = mode;
}
public boolean onModeChanged(int mode) {
setCurrentMode(mode);
return true;
}
public void setDegree(int degree) {
for (int i = 0 ; i < 3 ; ++i) {
((RotateImageView) mModeIcons[i]).setDegree(degree);
}
((RotateImageView) mCurrentModeIcon).setDegree(degree);
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
}
private void highlightCurrentMode(View view, boolean enabled) {
Drawable drawable = ((ImageView) view).getDrawable();
if (enabled) {
drawable.clearColorFilter();
} else {
drawable.setColorFilter(DISABLED_COLOR, PorterDuff.Mode.SRC_ATOP);
}
}
public void setEnabled(View view, boolean enabled) {
view.setEnabled(enabled);
// render disabled effect for tablet only.
if (mContext.getResources().getConfiguration().screenWidthDp < 1024) return;
Drawable drawable = ((ImageView) view).getDrawable();
if (enabled) {
drawable.clearColorFilter();
} else {
drawable.setColorFilter(DISABLED_COLOR, PorterDuff.Mode.SRC_ATOP);
}
}
}
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