Winson Chung
367 lines
13 KiB
Java
367 lines
13 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ObjectAnimator;
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import android.content.Context;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.view.FocusFinder;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.animation.AccelerateInterpolator;
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import android.widget.FrameLayout;
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public class Cling extends FrameLayout implements Insettable, View.OnLongClickListener {
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static final String FIRST_RUN_CLING_DISMISSED_KEY = "cling_gel.first_run.dismissed";
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static final String WORKSPACE_CLING_DISMISSED_KEY = "cling_gel.workspace.dismissed";
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static final String FOLDER_CLING_DISMISSED_KEY = "cling_gel.folder.dismissed";
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private static String FIRST_RUN_PORTRAIT = "first_run_portrait";
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private static String FIRST_RUN_LANDSCAPE = "first_run_landscape";
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private static String WORKSPACE_PORTRAIT = "workspace_portrait";
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private static String WORKSPACE_LANDSCAPE = "workspace_landscape";
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private static String WORKSPACE_LARGE = "workspace_large";
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private static String WORKSPACE_CUSTOM = "workspace_custom";
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private static String FOLDER_PORTRAIT = "folder_portrait";
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private static String FOLDER_LANDSCAPE = "folder_landscape";
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private static String FOLDER_LARGE = "folder_large";
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private static float FIRST_RUN_CIRCLE_BUFFER_DPS = 60;
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private static float WORKSPACE_INNER_CIRCLE_RADIUS_DPS = 50;
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private static float WORKSPACE_OUTER_CIRCLE_RADIUS_DPS = 60;
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private static float WORKSPACE_CIRCLE_Y_OFFSET_DPS = 30;
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private Launcher mLauncher;
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private boolean mIsInitialized;
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private String mDrawIdentifier;
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private Drawable mBackground;
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private Paint mErasePaint;
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private Paint mBubblePaint;
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private Paint mDotPaint;
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private View mScrimView;
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private int mBackgroundColor;
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private final Rect mInsets = new Rect();
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public Cling(Context context) {
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this(context, null, 0);
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}
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public Cling(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public Cling(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Cling, defStyle, 0);
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mDrawIdentifier = a.getString(R.styleable.Cling_drawIdentifier);
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a.recycle();
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setClickable(true);
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}
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void init(Launcher l, View scrim) {
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if (!mIsInitialized) {
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mLauncher = l;
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mScrimView = scrim;
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mBackgroundColor = 0xdd000000;
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setOnLongClickListener(this);
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mErasePaint = new Paint();
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mErasePaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
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mErasePaint.setColor(0xFFFFFF);
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mErasePaint.setAlpha(0);
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mErasePaint.setAntiAlias(true);
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int circleColor = getResources().getColor(
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R.color.first_run_cling_circle_background_color);
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mBubblePaint = new Paint();
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mBubblePaint.setColor(circleColor);
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mBubblePaint.setAntiAlias(true);
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mDotPaint = new Paint();
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mDotPaint.setColor(0x72BBED);
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mDotPaint.setAntiAlias(true);
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mIsInitialized = true;
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}
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}
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void show(boolean animate, int duration) {
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setVisibility(View.VISIBLE);
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setLayerType(View.LAYER_TYPE_HARDWARE, null);
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if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT) ||
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mDrawIdentifier.equals(WORKSPACE_LANDSCAPE) ||
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mDrawIdentifier.equals(WORKSPACE_LARGE) ||
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mDrawIdentifier.equals(WORKSPACE_CUSTOM)) {
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View content = getContent();
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content.setAlpha(0f);
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content.animate()
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.alpha(1f)
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.setDuration(duration)
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.setListener(null)
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.start();
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setAlpha(1f);
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} else {
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if (animate) {
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buildLayer();
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setAlpha(0f);
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animate()
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.alpha(1f)
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.setInterpolator(new AccelerateInterpolator())
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.setDuration(duration)
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.setListener(null)
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.start();
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} else {
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setAlpha(1f);
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}
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}
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// Show the scrim if necessary
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if (mScrimView != null) {
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mScrimView.setVisibility(View.VISIBLE);
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mScrimView.setAlpha(0f);
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mScrimView.animate()
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.alpha(1f)
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.setDuration(duration)
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.setListener(null)
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.start();
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}
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setFocusableInTouchMode(true);
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post(new Runnable() {
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public void run() {
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setFocusable(true);
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requestFocus();
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}
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});
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}
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void hide(final int duration, final Runnable postCb) {
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if (mDrawIdentifier.equals(FIRST_RUN_PORTRAIT) ||
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mDrawIdentifier.equals(FIRST_RUN_LANDSCAPE)) {
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View content = getContent();
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content.animate()
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.alpha(0f)
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.setDuration(duration)
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.setListener(new AnimatorListenerAdapter() {
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public void onAnimationEnd(Animator animation) {
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// We are about to trigger the workspace cling, so don't do anything else
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setVisibility(View.GONE);
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postCb.run();
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};
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})
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.start();
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} else {
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animate()
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.alpha(0f)
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.setDuration(duration)
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.setListener(new AnimatorListenerAdapter() {
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public void onAnimationEnd(Animator animation) {
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// We are about to trigger the workspace cling, so don't do anything else
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setVisibility(View.GONE);
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postCb.run();
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};
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})
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.start();
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}
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// Show the scrim if necessary
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if (mScrimView != null) {
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mScrimView.animate()
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.alpha(0f)
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.setDuration(duration)
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.setListener(new AnimatorListenerAdapter() {
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public void onAnimationEnd(Animator animation) {
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mScrimView.setVisibility(View.GONE);
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};
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})
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.start();
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}
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}
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void cleanup() {
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mBackground = null;
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mIsInitialized = false;
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}
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void bringScrimToFront() {
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if (mScrimView != null) {
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mScrimView.bringToFront();
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}
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}
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@Override
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public void setInsets(Rect insets) {
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mInsets.set(insets);
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setPadding(insets.left, insets.top, insets.right, insets.bottom);
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}
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View getContent() {
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return findViewById(R.id.content);
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}
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String getDrawIdentifier() {
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return mDrawIdentifier;
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}
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@Override
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public View focusSearch(int direction) {
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return this.focusSearch(this, direction);
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}
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@Override
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public View focusSearch(View focused, int direction) {
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return FocusFinder.getInstance().findNextFocus(this, focused, direction);
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}
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@Override
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public boolean onHoverEvent(MotionEvent event) {
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return (mDrawIdentifier.equals(WORKSPACE_PORTRAIT)
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|| mDrawIdentifier.equals(WORKSPACE_LANDSCAPE)
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|| mDrawIdentifier.equals(WORKSPACE_LARGE)
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|| mDrawIdentifier.equals(WORKSPACE_CUSTOM));
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}
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@Override
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public boolean onTouchEvent(android.view.MotionEvent event) {
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if (mDrawIdentifier.equals(FOLDER_PORTRAIT) ||
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mDrawIdentifier.equals(FOLDER_LANDSCAPE) ||
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mDrawIdentifier.equals(FOLDER_LARGE)) {
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Folder f = mLauncher.getWorkspace().getOpenFolder();
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if (f != null) {
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Rect r = new Rect();
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f.getHitRect(r);
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if (r.contains((int) event.getX(), (int) event.getY())) {
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return false;
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}
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}
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}
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return super.onTouchEvent(event);
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};
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@Override
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public boolean onLongClick(View v) {
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if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT) ||
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mDrawIdentifier.equals(WORKSPACE_LANDSCAPE) ||
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mDrawIdentifier.equals(WORKSPACE_LARGE)) {
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mLauncher.dismissWorkspaceCling(null);
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return true;
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}
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return false;
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}
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@Override
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protected void dispatchDraw(Canvas canvas) {
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if (mIsInitialized) {
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canvas.save();
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// Get the background override if there is one
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if (mBackground == null) {
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if (mDrawIdentifier.equals(WORKSPACE_CUSTOM)) {
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mBackground = getResources().getDrawable(R.drawable.bg_cling5);
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}
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}
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// Draw the background
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Bitmap eraseBg = null;
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Canvas eraseCanvas = null;
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if (mScrimView != null) {
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// Skip drawing the background
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mScrimView.setBackgroundColor(mBackgroundColor);
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} else if (mBackground != null) {
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mBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight());
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mBackground.draw(canvas);
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} else if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT) ||
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mDrawIdentifier.equals(WORKSPACE_LANDSCAPE) ||
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mDrawIdentifier.equals(WORKSPACE_LARGE)) {
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// Initialize the draw buffer (to allow punching through)
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eraseBg = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(),
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Bitmap.Config.ARGB_8888);
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eraseCanvas = new Canvas(eraseBg);
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eraseCanvas.drawColor(mBackgroundColor);
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} else {
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canvas.drawColor(mBackgroundColor);
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}
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// Draw everything else
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DisplayMetrics metrics = new DisplayMetrics();
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mLauncher.getWindowManager().getDefaultDisplay().getMetrics(metrics);
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float alpha = getAlpha();
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View content = getContent();
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if (content != null) {
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alpha *= content.getAlpha();
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}
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if (mDrawIdentifier.equals(FIRST_RUN_PORTRAIT) ||
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mDrawIdentifier.equals(FIRST_RUN_LANDSCAPE)) {
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// Draw the circle
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View bubbleContent = findViewById(R.id.bubble_content);
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Rect bubbleRect = new Rect();
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bubbleContent.getGlobalVisibleRect(bubbleRect);
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mBubblePaint.setAlpha((int) (255 * alpha));
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float buffer = DynamicGrid.pxFromDp(FIRST_RUN_CIRCLE_BUFFER_DPS, metrics);
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canvas.drawCircle(metrics.widthPixels / 2,
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bubbleRect.centerY(),
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(bubbleContent.getMeasuredWidth() + buffer) / 2,
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mBubblePaint);
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} else if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT) ||
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mDrawIdentifier.equals(WORKSPACE_LANDSCAPE) ||
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mDrawIdentifier.equals(WORKSPACE_LARGE)) {
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int offset = DynamicGrid.pxFromDp(WORKSPACE_CIRCLE_Y_OFFSET_DPS, metrics);
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mErasePaint.setAlpha((int) (128));
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eraseCanvas.drawCircle(metrics.widthPixels / 2,
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metrics.heightPixels / 2 - offset,
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DynamicGrid.pxFromDp(WORKSPACE_OUTER_CIRCLE_RADIUS_DPS, metrics),
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mErasePaint);
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mErasePaint.setAlpha(0);
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eraseCanvas.drawCircle(metrics.widthPixels / 2,
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metrics.heightPixels / 2 - offset,
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DynamicGrid.pxFromDp(WORKSPACE_INNER_CIRCLE_RADIUS_DPS, metrics),
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mErasePaint);
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canvas.drawBitmap(eraseBg, 0, 0, null);
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eraseCanvas.setBitmap(null);
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eraseBg = null;
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}
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canvas.restore();
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}
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// Draw the rest of the cling
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super.dispatchDraw(canvas);
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};
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}
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