Winson Chung
304 lines
14 KiB
Java
304 lines
14 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.launcher2;
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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.Canvas;
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import android.graphics.Paint;
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import android.graphics.Point;
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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.View;
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import android.widget.FrameLayout;
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import com.android.launcher.R;
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public class Cling extends FrameLayout {
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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 ALLAPPS_PORTRAIT = "all_apps_portrait";
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private static String ALLAPPS_LANDSCAPE = "all_apps_landscape";
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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 mPunchThroughGraphic;
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private int mPunchThroughGraphicCenterRadius;
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private int mAppIconSize;
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private int mTabBarHeight;
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private int mTabBarHorizontalPadding;
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View mWorkspaceDesc1;
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View mWorkspaceDesc2;
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View mAllAppsDesc;
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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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}
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void init(Launcher l) {
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if (!mIsInitialized) {
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mLauncher = l;
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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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mTabBarHeight = r.getDimensionPixelSize(R.dimen.apps_customize_tab_bar_height);
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mTabBarHorizontalPadding =
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r.getDimensionPixelSize(R.dimen.toolbar_button_horizontal_padding);
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mWorkspaceDesc1 = findViewById(R.id.workspace_cling_move_item);
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mWorkspaceDesc2 = findViewById(R.id.workspace_cling_open_all_apps);
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mAllAppsDesc = findViewById(R.id.all_apps_cling_add_item);
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mIsInitialized = true;
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}
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}
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void cleanup() {
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mPunchThroughGraphic = null;
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}
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@Override
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public boolean onTouchEvent(android.view.MotionEvent event) {
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// Do nothing
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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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// Draw the rest of the cling
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super.dispatchDraw(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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int dotRadius = (int) (6f * metrics.density);
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Paint p = new Paint();
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p.setAntiAlias(true);
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p.setColor(0xFF49C0EC);
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if (mDrawIdentifier.equals(WORKSPACE_PORTRAIT)) {
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/* Draw the all apps line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mWorkspaceDesc2.getLayoutParams();
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int[] loc = new int[2];
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mWorkspaceDesc2.getLocationInWindow(loc);
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int x = loc[0];
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int xOffset = (int) (10f * metrics.density);
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int y = loc[1];
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int yOffset = (int) (30f * metrics.density);
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int w = mWorkspaceDesc2.getWidth();
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int h = mWorkspaceDesc2.getHeight();
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Point p1 = new Point(x + w + xOffset, y - (2 * dotRadius));
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Point p2 = new Point(getMeasuredWidth() / 2, getMeasuredHeight() -
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mAppIconSize / 2 - yOffset);
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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Point p3 = new Point(p1.x, (int) (p1.y + (p2.y - p1.y) * 0.30f));
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Point p4 = new Point(p2.x, (int) (p1.y + (p2.y - p1.y) * 0.55f));
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canvas.drawLine(p1.x, p1.y, p3.x, p3.y, p);
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canvas.drawLine(p3.x, p3.y, p4.x, p4.y, p);
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canvas.drawLine(p4.x, p4.y, p2.x, p2.y, p);
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}
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/* Draw the move line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mWorkspaceDesc1.getLayoutParams();
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int[] loc = new int[2];
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mWorkspaceDesc1.getLocationInWindow(loc);
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int x = loc[0];
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int y = loc[1];
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int w = mWorkspaceDesc1.getWidth();
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int h = mWorkspaceDesc1.getHeight();
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Point p1 = new Point(x + w, y - (2 * dotRadius));
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Point p2 = new Point(x + w, getMeasuredHeight() - (4 * mAppIconSize));
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
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}
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} else if (mDrawIdentifier.equals(WORKSPACE_LANDSCAPE)) {
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int xOffset = (int) (1.5f * mAppIconSize);
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/* Draw the all apps line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mWorkspaceDesc2.getLayoutParams();
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int[] loc = new int[2];
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mWorkspaceDesc2.getLocationInWindow(loc);
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int x = loc[0];
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int y = loc[1];
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int w = mWorkspaceDesc2.getWidth();
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int h = mWorkspaceDesc2.getHeight();
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Point p1 = new Point(x + w, y - (2 * dotRadius));
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Point p2 = new Point(getMeasuredWidth() - xOffset,
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getMeasuredHeight() / 2);
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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Point p3 = new Point((int) (p1.x + (p2.x - p1.x) * 0.6f), p1.y);
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Point p4 = new Point((int) (p1.x + (p2.x - p1.x) * 0.75f), p2.y);
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canvas.drawLine(p1.x, p1.y, p3.x, p3.y, p);
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canvas.drawLine(p3.x, p3.y, p4.x, p4.y, p);
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canvas.drawLine(p4.x, p4.y, p2.x, p2.y, p);
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}
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/* Draw the move line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mWorkspaceDesc1.getLayoutParams();
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int[] loc = new int[2];
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mWorkspaceDesc1.getLocationInWindow(loc);
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int x = loc[0];
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int y = loc[1];
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int w = mWorkspaceDesc1.getWidth();
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int h = mWorkspaceDesc1.getHeight();
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Point p1 = new Point(x + w, y - (2 * dotRadius));
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Point p2 = new Point(getMeasuredWidth() - xOffset, y - (2 * dotRadius));
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
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}
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} else if (mDrawIdentifier.equals(ALLAPPS_PORTRAIT)) {
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float r = mAppIconSize * 1.1f;
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float scale = r / 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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int cx = getMeasuredWidth() / 2;
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int cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
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mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
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mPunchThroughGraphic.draw(canvas);
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/* Draw the line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mAllAppsDesc.getLayoutParams();
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int[] loc = new int[2];
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mAllAppsDesc.getLocationInWindow(loc);
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int x = loc[0];
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int y = loc[1];
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int yOffset = (int) (2.5f * metrics.density);
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int w = mAllAppsDesc.getWidth();
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int h = mAllAppsDesc.getHeight();
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Point p1 = new Point(getMeasuredWidth() / 2, y + h + yOffset);
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Point p2 = new Point(cx, cy);
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
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}
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} else if (mDrawIdentifier.equals(ALLAPPS_LANDSCAPE)) {
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float r = mAppIconSize * 1.1f;
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float scale = r / 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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int cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 4;
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int cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
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mPunchThroughGraphic.setBounds(cx - dw/2, cy - dh/2, cx + dw/2, cy + dh/2);
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mPunchThroughGraphic.draw(canvas);
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/* Draw the line */ {
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams)
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mAllAppsDesc.getLayoutParams();
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int[] loc = new int[2];
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mAllAppsDesc.getLocationInWindow(loc);
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int x = loc[0];
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int y = loc[1];
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int w = mAllAppsDesc.getWidth();
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int h = mAllAppsDesc.getHeight();
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Point p1 = new Point(x + w, y);
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Point p2 = new Point(cx, cy);
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canvas.drawCircle(p1.x, p1.y, dotRadius, p);
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canvas.drawCircle(p2.x, p2.y, dotRadius, p);
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canvas.drawLine(p1.x, p1.y, p2.x, p2.y, p);
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}
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}
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/*
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// Draw the background
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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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c.drawColor(0xD4000000);
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Paint p = new Paint();
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p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
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p.setColor(0xFFFFFF);
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p.setAlpha(0);
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int cx = -1;
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int cy = -1;
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float r = mAppIconSize * 1.4f;
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float scale = r / 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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if (mDrawIdentifier.equals("workspace_portrait")) {
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cx = getMeasuredWidth() / 2;
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cy = getMeasuredHeight() - mAppIconSize / 2;
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} else if (mDrawIdentifier.equals("workspace_landscape")) {
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cx = getMeasuredWidth() - mAppIconSize / 2;
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cy = getMeasuredHeight() / 2;
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} else if (mDrawIdentifier.equals("large_workspace_landscape") ||
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mDrawIdentifier.equals("large_workspace_portrait")) {
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cx = getMeasuredWidth() - mTabBarHorizontalPadding;
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cy = 0;
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} else if (mDrawIdentifier.equals("all_apps_portrait")) {
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cx = getMeasuredWidth() / 2;
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cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
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} else if (mDrawIdentifier.equals("all_apps_landscape")) {
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cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 4;
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cy = mTabBarHeight + ((getMeasuredHeight() - mTabBarHeight) / 2);
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} else if (mDrawIdentifier.equals("large_all_apps_portrait")) {
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cx = getMeasuredWidth() / 2;
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cy = mTabBarHeight + (int) ((getMeasuredHeight() - mTabBarHeight) * 2f / 5f);
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} else if (mDrawIdentifier.equals("large_all_apps_landscape")) {
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cx = getMeasuredWidth() / 2 + getMeasuredWidth() / 6;
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cy = mTabBarHeight + (int) ((getMeasuredHeight() - mTabBarHeight) * 2f / 5f);
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}
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if (cx > -1 && cy > -1) {
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c.drawCircle(cx, cy, r, p);
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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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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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}
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};
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}
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