src/com/android/deskclock/timer/TimerSetupView.java - platform/packages/apps/DeskClock - Git at Google

 /*
  * Copyright (C) 2008 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.deskclock.timer;

 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.graphics.PorterDuff;
 import android.support.annotation.IdRes;
 import android.support.v4.view.ViewCompat;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.text.style.RelativeSizeSpan;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
 import android.widget.TextView;

 import com.android.deskclock.FabContainer;
 import com.android.deskclock.FormattedTextUtils;
 import com.android.deskclock.R;
 import com.android.deskclock.ThemeUtils;
 import com.android.deskclock.uidata.UiDataModel;

 import java.io.Serializable;
 import java.util.Arrays;

 import static com.android.deskclock.FabContainer.FAB_REQUEST_FOCUS;
 import static com.android.deskclock.FabContainer.FAB_SHRINK_AND_EXPAND;

 public class TimerSetupView extends LinearLayout implements View.OnClickListener,
         View.OnLongClickListener {

     private final int[] mInput = { 0, 0, 0, 0, 0, 0 };

     private int mInputPointer = -1;
     private CharSequence mTimeTemplate;

     private TextView mTimeView;
     private View mDeleteView;
     private View mDividerView;
     private TextView[] mDigitViews;

     /** Updates to the fab are requested via this container. */
     private FabContainer mFabContainer;

     public TimerSetupView(Context context) {
         this(context, null /* attrs */);
     }

     public TimerSetupView(Context context, AttributeSet attrs) {
         super(context, attrs);

         final BidiFormatter bf = BidiFormatter.getInstance(false /* rtlContext */);
         final String hoursLabel = bf.unicodeWrap(context.getString(R.string.hours_label));
         final String minutesLabel = bf.unicodeWrap(context.getString(R.string.minutes_label));
         final String secondsLabel = bf.unicodeWrap(context.getString(R.string.seconds_label));

         // Create a formatted template for "00h 00m 00s".
         mTimeTemplate = TextUtils.expandTemplate("^1^4 ^2^5 ^3^6",
                 bf.unicodeWrap("^1"),
                 bf.unicodeWrap("^2"),
                 bf.unicodeWrap("^3"),
                 FormattedTextUtils.formatText(hoursLabel, new RelativeSizeSpan(0.5f)),
                 FormattedTextUtils.formatText(minutesLabel, new RelativeSizeSpan(0.5f)),
                 FormattedTextUtils.formatText(secondsLabel, new RelativeSizeSpan(0.5f)));

         LayoutInflater.from(context).inflate(R.layout.timer_setup_container, this);
     }

     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();

         mTimeView = (TextView) findViewById(R.id.timer_setup_time);
         mDeleteView = findViewById(R.id.timer_setup_delete);
         mDividerView = findViewById(R.id.timer_setup_divider);
         mDigitViews = new TextView[] {
                 (TextView) findViewById(R.id.timer_setup_digit_0),
                 (TextView) findViewById(R.id.timer_setup_digit_1),
                 (TextView) findViewById(R.id.timer_setup_digit_2),
                 (TextView) findViewById(R.id.timer_setup_digit_3),
                 (TextView) findViewById(R.id.timer_setup_digit_4),
                 (TextView) findViewById(R.id.timer_setup_digit_5),
                 (TextView) findViewById(R.id.timer_setup_digit_6),
                 (TextView) findViewById(R.id.timer_setup_digit_7),
                 (TextView) findViewById(R.id.timer_setup_digit_8),
                 (TextView) findViewById(R.id.timer_setup_digit_9),
         };

         // Tint the divider to match the disabled control color by default and used the activated
         // control color when there is valid input.
         final Context dividerContext = mDividerView.getContext();
         final int colorControlActivated = ThemeUtils.resolveColor(dividerContext,
                 R.attr.colorControlActivated);
         final int colorControlDisabled = ThemeUtils.resolveColor(dividerContext,
                 R.attr.colorControlNormal, new int[] { ~android.R.attr.state_enabled });
         ViewCompat.setBackgroundTintList(mDividerView, new ColorStateList(
                 new int[][] { { android.R.attr.state_activated }, {} },
                 new int[] { colorControlActivated, colorControlDisabled }));
         ViewCompat.setBackgroundTintMode(mDividerView, PorterDuff.Mode.SRC);

         // Initialize the digit buttons.
         final UiDataModel uidm = UiDataModel.getUiDataModel();
         for (final TextView digitView : mDigitViews) {
             final int digit = getDigitForId(digitView.getId());
             digitView.setText(uidm.getFormattedNumber(digit, 1));
             digitView.setOnClickListener(this);
         }

         mDeleteView.setOnClickListener(this);
         mDeleteView.setOnLongClickListener(this);

         updateTime();
         updateDeleteAndDivider();
     }

     public void setFabContainer(FabContainer fabContainer) {
         mFabContainer = fabContainer;
     }

     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         View view = null;
         if (keyCode == KeyEvent.KEYCODE_DEL) {
             view = mDeleteView;
         } else if (keyCode >= KeyEvent.KEYCODE_0 && keyCode <= KeyEvent.KEYCODE_9) {
             view = mDigitViews[keyCode - KeyEvent.KEYCODE_0];
         }

         if (view != null) {
             final boolean result = view.performClick();
             if (result && hasValidInput()) {
                 mFabContainer.updateFab(FAB_REQUEST_FOCUS);
             }
             return result;
         }

         return false;
     }

     @Override
     public void onClick(View view) {
         if (view == mDeleteView) {
             delete();
         } else {
             append(getDigitForId(view.getId()));
         }
     }

     @Override
     public boolean onLongClick(View view) {
         if (view == mDeleteView) {
             reset();
             updateFab();
             return true;
         }
         return false;
     }

     private int getDigitForId(@IdRes int id) {
         switch (id) {
             case R.id.timer_setup_digit_0:
                 return 0;
             case R.id.timer_setup_digit_1:
                 return 1;
             case R.id.timer_setup_digit_2:
                 return 2;
             case R.id.timer_setup_digit_3:
                 return 3;
             case R.id.timer_setup_digit_4:
                 return 4;
             case R.id.timer_setup_digit_5:
                 return 5;
             case R.id.timer_setup_digit_6:
                 return 6;
             case R.id.timer_setup_digit_7:
                 return 7;
             case R.id.timer_setup_digit_8:
                 return 8;
             case R.id.timer_setup_digit_9:
                 return 9;
         }
         throw new IllegalArgumentException("Invalid id: " + id);
     }

     private void updateTime() {
         final int seconds = mInput[1] * 10 + mInput[0];
         final int minutes = mInput[3] * 10 + mInput[2];
         final int hours = mInput[5] * 10 + mInput[4];

         final UiDataModel uidm = UiDataModel.getUiDataModel();
         mTimeView.setText(TextUtils.expandTemplate(mTimeTemplate,
                 uidm.getFormattedNumber(hours, 2),
                 uidm.getFormattedNumber(minutes, 2),
                 uidm.getFormattedNumber(seconds, 2)));

         final Resources r = getResources();
         mTimeView.setContentDescription(r.getString(R.string.timer_setup_description,
                 r.getQuantityString(R.plurals.hours, hours, hours),
                 r.getQuantityString(R.plurals.minutes, minutes, minutes),
                 r.getQuantityString(R.plurals.seconds, seconds, seconds)));
     }

     private void updateDeleteAndDivider() {
         final boolean enabled = hasValidInput();
         mDeleteView.setEnabled(enabled);
         mDividerView.setActivated(enabled);
     }

     private void updateFab() {
         mFabContainer.updateFab(FAB_SHRINK_AND_EXPAND);
     }

     private void append(int digit) {
         if (digit < 0 || digit > 9) {
             throw new IllegalArgumentException("Invalid digit: " + digit);
         }

         // Pressing "0" as the first digit does nothing.
         if (mInputPointer == -1 && digit == 0) {
             return;
         }

         // No space for more digits, so ignore input.
         if (mInputPointer == mInput.length - 1) {
             return;
         }

         // Append the new digit.
         System.arraycopy(mInput, 0, mInput, 1, mInputPointer + 1);
         mInput[0] = digit;
         mInputPointer++;
         updateTime();

         // Update TalkBack to read the number being deleted.
         mDeleteView.setContentDescription(getContext().getString(
                 R.string.timer_descriptive_delete,
                 UiDataModel.getUiDataModel().getFormattedNumber(digit)));

         // Update the fab, delete, and divider when we have valid input.
         if (mInputPointer == 0) {
             updateFab();
             updateDeleteAndDivider();
         }
     }

     private void delete() {
         // Nothing exists to delete so return.
         if (mInputPointer < 0) {
             return;
         }

         System.arraycopy(mInput, 1, mInput, 0, mInputPointer);
         mInput[mInputPointer] = 0;
         mInputPointer--;
         updateTime();

         // Update TalkBack to read the number being deleted or its original description.
         if (mInputPointer >= 0) {
             mDeleteView.setContentDescription(getContext().getString(
                     R.string.timer_descriptive_delete,
                     UiDataModel.getUiDataModel().getFormattedNumber(mInput[0])));
         } else {
             mDeleteView.setContentDescription(getContext().getString(R.string.timer_delete));
         }

         // Update the fab, delete, and divider when we no longer have valid input.
         if (mInputPointer == -1) {
             updateFab();
             updateDeleteAndDivider();
         }
     }

     public void reset() {
         if (mInputPointer != -1) {
             Arrays.fill(mInput, 0);
             mInputPointer = -1;
             updateTime();
             updateDeleteAndDivider();
         }
     }

     public boolean hasValidInput() {
         return mInputPointer != -1;
     }

     public long getTimeInMillis() {
         final int seconds = mInput[1] * 10 + mInput[0];
         final int minutes = mInput[3] * 10 + mInput[2];
         final int hours = mInput[5] * 10 + mInput[4];
         return seconds * DateUtils.SECOND_IN_MILLIS
                 + minutes * DateUtils.MINUTE_IN_MILLIS
                 + hours * DateUtils.HOUR_IN_MILLIS;
     }

     /**
      * @return an opaque representation of the state of timer setup
      */
     public Serializable getState() {
         return Arrays.copyOf(mInput, mInput.length);
     }

     /**
      * @param state an opaque state of this view previously produced by {@link #getState()}
      */
     public void setState(Serializable state) {
         final int[] input = (int[]) state;
         if (input != null && mInput.length == input.length) {
             for (int i = 0; i < mInput.length; i++) {
                 mInput[i] = input[i];
                 if (mInput[i] != 0) {
                     mInputPointer = i;
                 }
             }
             updateTime();
             updateDeleteAndDivider();
         }
     }
 }
	/*
	* Copyright (C) 2008 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.deskclock.timer;

	import android.content.Context;
	import android.content.res.ColorStateList;
	import android.content.res.Resources;
	import android.graphics.PorterDuff;
	import android.support.annotation.IdRes;
	import android.support.v4.view.ViewCompat;
	import android.text.BidiFormatter;
	import android.text.TextUtils;
	import android.text.format.DateUtils;
	import android.text.style.RelativeSizeSpan;
	import android.util.AttributeSet;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.widget.LinearLayout;
	import android.widget.TextView;

	import com.android.deskclock.FabContainer;
	import com.android.deskclock.FormattedTextUtils;
	import com.android.deskclock.R;
	import com.android.deskclock.ThemeUtils;
	import com.android.deskclock.uidata.UiDataModel;

	import java.io.Serializable;
	import java.util.Arrays;

	import static com.android.deskclock.FabContainer.FAB_REQUEST_FOCUS;
	import static com.android.deskclock.FabContainer.FAB_SHRINK_AND_EXPAND;

	public class TimerSetupView extends LinearLayout implements View.OnClickListener,
	View.OnLongClickListener {

	private final int[] mInput = { 0, 0, 0, 0, 0, 0 };

	private int mInputPointer = -1;
	private CharSequence mTimeTemplate;

	private TextView mTimeView;
	private View mDeleteView;
	private View mDividerView;
	private TextView[] mDigitViews;

	/** Updates to the fab are requested via this container. */
	private FabContainer mFabContainer;

	public TimerSetupView(Context context) {
	this(context, null /* attrs */);
	}

	public TimerSetupView(Context context, AttributeSet attrs) {
	super(context, attrs);

	final BidiFormatter bf = BidiFormatter.getInstance(false /* rtlContext */);
	final String hoursLabel = bf.unicodeWrap(context.getString(R.string.hours_label));
	final String minutesLabel = bf.unicodeWrap(context.getString(R.string.minutes_label));
	final String secondsLabel = bf.unicodeWrap(context.getString(R.string.seconds_label));

	// Create a formatted template for "00h 00m 00s".
	mTimeTemplate = TextUtils.expandTemplate("^1^4 ^2^5 ^3^6",
	bf.unicodeWrap("^1"),
	bf.unicodeWrap("^2"),
	bf.unicodeWrap("^3"),
	FormattedTextUtils.formatText(hoursLabel, new RelativeSizeSpan(0.5f)),
	FormattedTextUtils.formatText(minutesLabel, new RelativeSizeSpan(0.5f)),
	FormattedTextUtils.formatText(secondsLabel, new RelativeSizeSpan(0.5f)));

	LayoutInflater.from(context).inflate(R.layout.timer_setup_container, this);
	}

	@Override
	protected void onFinishInflate() {
	super.onFinishInflate();

	mTimeView = (TextView) findViewById(R.id.timer_setup_time);
	mDeleteView = findViewById(R.id.timer_setup_delete);
	mDividerView = findViewById(R.id.timer_setup_divider);
	mDigitViews = new TextView[] {
	(TextView) findViewById(R.id.timer_setup_digit_0),
	(TextView) findViewById(R.id.timer_setup_digit_1),
	(TextView) findViewById(R.id.timer_setup_digit_2),
	(TextView) findViewById(R.id.timer_setup_digit_3),
	(TextView) findViewById(R.id.timer_setup_digit_4),
	(TextView) findViewById(R.id.timer_setup_digit_5),
	(TextView) findViewById(R.id.timer_setup_digit_6),
	(TextView) findViewById(R.id.timer_setup_digit_7),
	(TextView) findViewById(R.id.timer_setup_digit_8),
	(TextView) findViewById(R.id.timer_setup_digit_9),
	};

	// Tint the divider to match the disabled control color by default and used the activated
	// control color when there is valid input.
	final Context dividerContext = mDividerView.getContext();
	final int colorControlActivated = ThemeUtils.resolveColor(dividerContext,
	R.attr.colorControlActivated);
	final int colorControlDisabled = ThemeUtils.resolveColor(dividerContext,
	R.attr.colorControlNormal, new int[] { ~android.R.attr.state_enabled });
	ViewCompat.setBackgroundTintList(mDividerView, new ColorStateList(
	new int[][] { { android.R.attr.state_activated }, {} },
	new int[] { colorControlActivated, colorControlDisabled }));
	ViewCompat.setBackgroundTintMode(mDividerView, PorterDuff.Mode.SRC);

	// Initialize the digit buttons.
	final UiDataModel uidm = UiDataModel.getUiDataModel();
	for (final TextView digitView : mDigitViews) {
	final int digit = getDigitForId(digitView.getId());
	digitView.setText(uidm.getFormattedNumber(digit, 1));
	digitView.setOnClickListener(this);
	}

	mDeleteView.setOnClickListener(this);
	mDeleteView.setOnLongClickListener(this);

	updateTime();
	updateDeleteAndDivider();
	}

	public void setFabContainer(FabContainer fabContainer) {
	mFabContainer = fabContainer;
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
	View view = null;
	if (keyCode == KeyEvent.KEYCODE_DEL) {
	view = mDeleteView;
	} else if (keyCode >= KeyEvent.KEYCODE_0 && keyCode <= KeyEvent.KEYCODE_9) {
	view = mDigitViews[keyCode - KeyEvent.KEYCODE_0];
	}

	if (view != null) {
	final boolean result = view.performClick();
	if (result && hasValidInput()) {
	mFabContainer.updateFab(FAB_REQUEST_FOCUS);
	}
	return result;
	}

	return false;
	}

	@Override
	public void onClick(View view) {
	if (view == mDeleteView) {
	delete();
	} else {
	append(getDigitForId(view.getId()));
	}
	}

	@Override
	public boolean onLongClick(View view) {
	if (view == mDeleteView) {
	reset();
	updateFab();
	return true;
	}
	return false;
	}

	private int getDigitForId(@IdRes int id) {
	switch (id) {
	case R.id.timer_setup_digit_0:
	return 0;
	case R.id.timer_setup_digit_1:
	return 1;
	case R.id.timer_setup_digit_2:
	return 2;
	case R.id.timer_setup_digit_3:
	return 3;
	case R.id.timer_setup_digit_4:
	return 4;
	case R.id.timer_setup_digit_5:
	return 5;
	case R.id.timer_setup_digit_6:
	return 6;
	case R.id.timer_setup_digit_7:
	return 7;
	case R.id.timer_setup_digit_8:
	return 8;
	case R.id.timer_setup_digit_9:
	return 9;
	}
	throw new IllegalArgumentException("Invalid id: " + id);
	}

	private void updateTime() {
	final int seconds = mInput[1] * 10 + mInput[0];
	final int minutes = mInput[3] * 10 + mInput[2];
	final int hours = mInput[5] * 10 + mInput[4];

	final UiDataModel uidm = UiDataModel.getUiDataModel();
	mTimeView.setText(TextUtils.expandTemplate(mTimeTemplate,
	uidm.getFormattedNumber(hours, 2),
	uidm.getFormattedNumber(minutes, 2),
	uidm.getFormattedNumber(seconds, 2)));

	final Resources r = getResources();
	mTimeView.setContentDescription(r.getString(R.string.timer_setup_description,
	r.getQuantityString(R.plurals.hours, hours, hours),
	r.getQuantityString(R.plurals.minutes, minutes, minutes),
	r.getQuantityString(R.plurals.seconds, seconds, seconds)));
	}

	private void updateDeleteAndDivider() {
	final boolean enabled = hasValidInput();
	mDeleteView.setEnabled(enabled);
	mDividerView.setActivated(enabled);
	}

	private void updateFab() {
	mFabContainer.updateFab(FAB_SHRINK_AND_EXPAND);
	}

	private void append(int digit) {
	if (digit < 0 \|\| digit > 9) {
	throw new IllegalArgumentException("Invalid digit: " + digit);
	}

	// Pressing "0" as the first digit does nothing.
	if (mInputPointer == -1 && digit == 0) {
	return;
	}

	// No space for more digits, so ignore input.
	if (mInputPointer == mInput.length - 1) {
	return;
	}

	// Append the new digit.
	System.arraycopy(mInput, 0, mInput, 1, mInputPointer + 1);
	mInput[0] = digit;
	mInputPointer++;
	updateTime();

	// Update TalkBack to read the number being deleted.
	mDeleteView.setContentDescription(getContext().getString(
	R.string.timer_descriptive_delete,
	UiDataModel.getUiDataModel().getFormattedNumber(digit)));

	// Update the fab, delete, and divider when we have valid input.
	if (mInputPointer == 0) {
	updateFab();
	updateDeleteAndDivider();
	}
	}

	private void delete() {
	// Nothing exists to delete so return.
	if (mInputPointer < 0) {
	return;
	}

	System.arraycopy(mInput, 1, mInput, 0, mInputPointer);
	mInput[mInputPointer] = 0;
	mInputPointer--;
	updateTime();

	// Update TalkBack to read the number being deleted or its original description.
	if (mInputPointer >= 0) {
	mDeleteView.setContentDescription(getContext().getString(
	R.string.timer_descriptive_delete,
	UiDataModel.getUiDataModel().getFormattedNumber(mInput[0])));
	} else {
	mDeleteView.setContentDescription(getContext().getString(R.string.timer_delete));
	}

	// Update the fab, delete, and divider when we no longer have valid input.
	if (mInputPointer == -1) {
	updateFab();
	updateDeleteAndDivider();
	}
	}

	public void reset() {
	if (mInputPointer != -1) {
	Arrays.fill(mInput, 0);
	mInputPointer = -1;
	updateTime();
	updateDeleteAndDivider();
	}
	}

	public boolean hasValidInput() {
	return mInputPointer != -1;
	}

	public long getTimeInMillis() {
	final int seconds = mInput[1] * 10 + mInput[0];
	final int minutes = mInput[3] * 10 + mInput[2];
	final int hours = mInput[5] * 10 + mInput[4];
	return seconds * DateUtils.SECOND_IN_MILLIS
	+ minutes * DateUtils.MINUTE_IN_MILLIS
	+ hours * DateUtils.HOUR_IN_MILLIS;
	}

	/**
	* @return an opaque representation of the state of timer setup
	*/
	public Serializable getState() {
	return Arrays.copyOf(mInput, mInput.length);
	}

	/**
	* @param state an opaque state of this view previously produced by {@link #getState()}
	*/
	public void setState(Serializable state) {
	final int[] input = (int[]) state;
	if (input != null && mInput.length == input.length) {
	for (int i = 0; i < mInput.length; i++) {
	mInput[i] = input[i];
	if (mInput[i] != 0) {
	mInputPointer = i;
	}
	}
	updateTime();
	updateDeleteAndDivider();
	}
	}
	}