Daniel Sandler
cc8befac35
This removes Launcher's static data and other state out of the Application object. Now LauncherApplication (extends Application) exists only to instantiate LauncherAppState. Change-Id: I4e323bd78b77536b92054105536a55c0c2c19ba8
272 lines
11 KiB
Java
272 lines
11 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.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.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.widget.FrameLayout;
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import com.android.launcher3.R;
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public class Cling extends FrameLayout {
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static final String WORKSPACE_CLING_DISMISSED_KEY = "cling.workspace.dismissed";
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static final String ALLAPPS_CLING_DISMISSED_KEY = "cling.allapps.dismissed";
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static final String FOLDER_CLING_DISMISSED_KEY = "cling.folder.dismissed";
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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 ALLAPPS_PORTRAIT = "all_apps_portrait";
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private static String ALLAPPS_LANDSCAPE = "all_apps_landscape";
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private static String ALLAPPS_LARGE = "all_apps_large";
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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 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 Drawable mPunchThroughGraphic;
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private Drawable mHandTouchGraphic;
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private int mPunchThroughGraphicCenterRadius;
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private int mAppIconSize;
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private int mButtonBarHeight;
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private float mRevealRadius;
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private int[] mPositionData;
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private Paint mErasePaint;
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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, int[] positionData) {
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if (!mIsInitialized) {
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mLauncher = l;
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mPositionData = positionData;
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Resources r = getContext().getResources();
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mPunchThroughGraphic = r.getDrawable(R.drawable.cling);
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mPunchThroughGraphicCenterRadius =
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r.getDimensionPixelSize(R.dimen.clingPunchThroughGraphicCenterRadius);
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mAppIconSize = r.getDimensionPixelSize(R.dimen.app_icon_size);
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mRevealRadius = r.getDimensionPixelSize(R.dimen.reveal_radius) * 1f;
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mButtonBarHeight = r.getDimensionPixelSize(R.dimen.button_bar_height);
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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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mIsInitialized = true;
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}
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}
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void cleanup() {
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mBackground = null;
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mPunchThroughGraphic = null;
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mHandTouchGraphic = null;
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mIsInitialized = false;
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}
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public String getDrawIdentifier() {
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return mDrawIdentifier;
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}
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private int[] getPunchThroughPositions() {
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if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT)) {
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return new int[]{getMeasuredWidth() / 2, getMeasuredHeight() - (mButtonBarHeight / 2)};
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} else if (mDrawIdentifier.equals(WORKSPACE_LANDSCAPE)) {
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return new int[]{getMeasuredWidth() - (mButtonBarHeight / 2), getMeasuredHeight() / 2};
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} else if (mDrawIdentifier.equals(WORKSPACE_LARGE)) {
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final float scale = LauncherAppState.getScreenDensity();
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final int cornerXOffset = (int) (scale * 15);
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final int cornerYOffset = (int) (scale * 10);
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return new int[]{getMeasuredWidth() - cornerXOffset, cornerYOffset};
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} else if (mDrawIdentifier.equals(ALLAPPS_PORTRAIT) ||
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mDrawIdentifier.equals(ALLAPPS_LANDSCAPE) ||
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mDrawIdentifier.equals(ALLAPPS_LARGE)) {
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return mPositionData;
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}
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return new int[]{-1, -1};
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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(ALLAPPS_PORTRAIT)
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|| mDrawIdentifier.equals(ALLAPPS_LANDSCAPE)
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|| mDrawIdentifier.equals(ALLAPPS_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(WORKSPACE_PORTRAIT) ||
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mDrawIdentifier.equals(WORKSPACE_LANDSCAPE) ||
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mDrawIdentifier.equals(WORKSPACE_LARGE) ||
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mDrawIdentifier.equals(ALLAPPS_PORTRAIT) ||
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mDrawIdentifier.equals(ALLAPPS_LANDSCAPE) ||
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mDrawIdentifier.equals(ALLAPPS_LARGE)) {
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int[] positions = getPunchThroughPositions();
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for (int i = 0; i < positions.length; i += 2) {
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double diff = Math.sqrt(Math.pow(event.getX() - positions[i], 2) +
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Math.pow(event.getY() - positions[i + 1], 2));
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if (diff < mRevealRadius) {
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return false;
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}
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}
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} else 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 true;
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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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DisplayMetrics metrics = new DisplayMetrics();
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mLauncher.getWindowManager().getDefaultDisplay().getMetrics(metrics);
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// Initialize the draw buffer (to allow punching through)
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Bitmap b = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(),
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Bitmap.Config.ARGB_8888);
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Canvas c = new Canvas(b);
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// Draw the background
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if (mBackground == 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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mBackground = getResources().getDrawable(R.drawable.bg_cling1);
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} else if (mDrawIdentifier.equals(ALLAPPS_PORTRAIT) ||
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mDrawIdentifier.equals(ALLAPPS_LANDSCAPE) ||
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mDrawIdentifier.equals(ALLAPPS_LARGE)) {
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mBackground = getResources().getDrawable(R.drawable.bg_cling2);
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} else if (mDrawIdentifier.equals(FOLDER_PORTRAIT) ||
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mDrawIdentifier.equals(FOLDER_LANDSCAPE)) {
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mBackground = getResources().getDrawable(R.drawable.bg_cling3);
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} else if (mDrawIdentifier.equals(FOLDER_LARGE)) {
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mBackground = getResources().getDrawable(R.drawable.bg_cling4);
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} else 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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if (mBackground != null) {
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mBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight());
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mBackground.draw(c);
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} else {
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c.drawColor(0x99000000);
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}
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int cx = -1;
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int cy = -1;
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float scale = mRevealRadius / mPunchThroughGraphicCenterRadius;
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int dw = (int) (scale * mPunchThroughGraphic.getIntrinsicWidth());
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int dh = (int) (scale * mPunchThroughGraphic.getIntrinsicHeight());
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// Determine where to draw the punch through graphic
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int[] positions = getPunchThroughPositions();
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for (int i = 0; i < positions.length; i += 2) {
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cx = positions[i];
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cy = positions[i + 1];
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if (cx > -1 && cy > -1) {
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c.drawCircle(cx, cy, mRevealRadius, mErasePaint);
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mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
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mPunchThroughGraphic.draw(c);
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}
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}
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// Draw the hand graphic in All Apps
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if (mDrawIdentifier.equals(ALLAPPS_PORTRAIT) ||
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mDrawIdentifier.equals(ALLAPPS_LANDSCAPE) ||
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mDrawIdentifier.equals(ALLAPPS_LARGE)) {
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if (mHandTouchGraphic == null) {
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mHandTouchGraphic = getResources().getDrawable(R.drawable.hand);
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}
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int offset = mAppIconSize / 4;
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mHandTouchGraphic.setBounds(cx + offset, cy + offset,
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cx + mHandTouchGraphic.getIntrinsicWidth() + offset,
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cy + mHandTouchGraphic.getIntrinsicHeight() + offset);
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mHandTouchGraphic.draw(c);
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}
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canvas.drawBitmap(b, 0, 0, null);
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c.setBitmap(null);
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b = null;
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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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