/*
* Copyright 2015 Google Inc.
*
* 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 net.nurik.roman.formwatchface.common;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.TypedArray;
import android.database.ContentObserver;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PointF;
import android.os.Build;
import android.os.Handler;
import android.provider.Settings;
import android.text.format.DateFormat;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;
public class FormClockView extends View {
private Handler mMainThreadHandler = new Handler();
private FormClockRenderer mHourMinRenderer;
private FormClockRenderer mSecondsRenderer;
private int mWidth, mHeight;
private int mColor1, mColor2, mColor3;
private FormClockRenderer.Options mHourMinOptions, mSecondsOptions;
public FormClockView(Context context) {
super(context);
init(context, null, 0, 0);
}
public FormClockView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs, 0, 0);
}
public FormClockView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs, defStyleAttr, 0);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public FormClockView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
init(context, attrs, defStyleAttr, defStyleRes);
}
private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
// Attribute initialization
final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FormClockView,
defStyleAttr, defStyleRes);
// Configure renderers
mHourMinOptions = new FormClockRenderer.Options();
mHourMinOptions.textSize = a.getDimension(R.styleable.FormClockView_textSize,
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 20,
getResources().getDisplayMetrics()));
mHourMinOptions.charSpacing = a.getDimension(R.styleable.FormClockView_charSpacing,
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 6,
getResources().getDisplayMetrics()));
mHourMinOptions.is24hour = DateFormat.is24HourFormat(context);
mHourMinOptions.glyphAnimAverageDelay = 500;
mHourMinOptions.glyphAnimDuration = 2000;
mSecondsOptions = new FormClockRenderer.Options(mHourMinOptions);
mSecondsOptions.onlySeconds = true;
mSecondsOptions.textSize /= 2;
mSecondsOptions.glyphAnimAverageDelay = 0;
mSecondsOptions.glyphAnimDuration = 750;
mColor1 = a.getColor(R.styleable.FormClockView_color1, 0xff000000);
mColor2 = a.getColor(R.styleable.FormClockView_color2, 0xff888888);
mColor3 = a.getColor(R.styleable.FormClockView_color3, 0xffcccccc);
a.recycle();
regenerateRenderers();
}
private void regenerateRenderers() {
mHourMinRenderer = new FormClockRenderer(mHourMinOptions, null);
mSecondsRenderer = new FormClockRenderer(mSecondsOptions, null);
updatePaints();
}
private void updatePaints() {
FormClockRenderer.ClockPaints paints = new FormClockRenderer.ClockPaints();
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(mColor1);
paints.fills[0] = paint;
paint = new Paint(paint);
paint.setColor(mColor2);
paints.fills[1] = paint;
paint = new Paint(paint);
paint.setColor(mColor3);
paints.fills[2] = paint;
mHourMinRenderer.setPaints(paints);
mSecondsRenderer.setPaints(paints);
invalidate();
}
public void setColors(int color1, int color2, int color3) {
mColor1 = color1;
mColor2 = color2;
mColor3 = color3;
updatePaints();
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mWidth = w;
mHeight = h;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
mHourMinRenderer.updateTime();
PointF hourMinSize = mHourMinRenderer.measure(true);
mHourMinRenderer.draw(canvas,
(mWidth - hourMinSize.x) / 2,
(mHeight - hourMinSize.y) / 2,
true,
false);
mSecondsRenderer.updateTime();
PointF secondsSize = mSecondsRenderer.measure(true);
mSecondsRenderer.draw(canvas,
(mWidth + hourMinSize.x) / 2 - secondsSize.x,
(mHeight + hourMinSize.y) / 2
+ TypedValue.applyDimension(5, TypedValue.COMPLEX_UNIT_DIP,
getResources().getDisplayMetrics()),
true,
false);
long timeToNextSecondsAnimation = mSecondsRenderer.timeToNextAnimation();
long timeToNextHourMinAnimation = mHourMinRenderer.timeToNextAnimation();
if (timeToNextHourMinAnimation < 0 || timeToNextSecondsAnimation < 0) {
postInvalidateOnAnimation();
} else {
postInvalidateDelayed(Math.min(timeToNextHourMinAnimation, timeToNextSecondsAnimation));
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
registerSystemSettingsListener();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
unregisterSystemSettingsListener();
}
private void registerSystemSettingsListener() {
getContext().getContentResolver().registerContentObserver(
Settings.System.getUriFor(Settings.System.TIME_12_24),
false, mSystemSettingsObserver);
}
private void unregisterSystemSettingsListener() {
getContext().getContentResolver().unregisterContentObserver(mSystemSettingsObserver);
}
private ContentObserver mSystemSettingsObserver = new ContentObserver(mMainThreadHandler) {
@Override
public void onChange(boolean selfChange) {
super.onChange(selfChange);
mHourMinOptions.is24hour = DateFormat.is24HourFormat(getContext());
mSecondsOptions.is24hour = mHourMinOptions.is24hour;
regenerateRenderers();
}
};
}