1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.launcher3; 18 19import android.content.Context; 20import android.content.Intent; 21import android.content.res.Resources.Theme; 22import android.graphics.Bitmap; 23import android.graphics.Canvas; 24import android.graphics.Rect; 25import android.graphics.drawable.Drawable; 26import android.os.Bundle; 27import android.text.Layout; 28import android.text.StaticLayout; 29import android.text.TextPaint; 30import android.util.TypedValue; 31import android.view.View; 32import android.view.View.OnClickListener; 33 34public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implements OnClickListener { 35 36 private static Theme sPreloaderTheme; 37 38 private final Rect mRect = new Rect(); 39 private View mDefaultView; 40 private OnClickListener mClickListener; 41 private final LauncherAppWidgetInfo mInfo; 42 private final int mStartState; 43 private final Intent mIconLookupIntent; 44 private final boolean mDisabledForSafeMode; 45 private Launcher mLauncher; 46 47 private Bitmap mIcon; 48 49 private Drawable mCenterDrawable; 50 private Drawable mTopCornerDrawable; 51 52 private boolean mDrawableSizeChanged; 53 54 private final TextPaint mPaint; 55 private Layout mSetupTextLayout; 56 57 public PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info, 58 boolean disabledForSafeMode) { 59 super(context); 60 61 mLauncher = (Launcher) context; 62 mInfo = info; 63 mStartState = info.restoreStatus; 64 mIconLookupIntent = new Intent().setComponent(info.providerName); 65 mDisabledForSafeMode = disabledForSafeMode; 66 67 mPaint = new TextPaint(); 68 mPaint.setColor(0xFFFFFFFF); 69 mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, 70 mLauncher.getDeviceProfile().iconTextSizePx, getResources().getDisplayMetrics())); 71 setBackgroundResource(R.drawable.quantum_panel_dark); 72 setWillNotDraw(false); 73 } 74 75 @Override 76 public void updateAppWidgetSize(Bundle newOptions, int minWidth, int minHeight, int maxWidth, 77 int maxHeight) { 78 // No-op 79 } 80 81 @Override 82 protected View getDefaultView() { 83 if (mDefaultView == null) { 84 mDefaultView = mInflater.inflate(R.layout.appwidget_not_ready, this, false); 85 mDefaultView.setOnClickListener(this); 86 applyState(); 87 } 88 return mDefaultView; 89 } 90 91 @Override 92 public void setOnClickListener(OnClickListener l) { 93 mClickListener = l; 94 } 95 96 @Override 97 public boolean isReinflateRequired() { 98 // Re inflate is required any time the widget restore status changes 99 return mStartState != mInfo.restoreStatus; 100 } 101 102 @Override 103 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 104 super.onSizeChanged(w, h, oldw, oldh); 105 mDrawableSizeChanged = true; 106 } 107 108 public void updateIcon(IconCache cache) { 109 Bitmap icon = cache.getIcon(mIconLookupIntent, mInfo.user); 110 if (mIcon == icon) { 111 return; 112 } 113 mIcon = icon; 114 if (mCenterDrawable != null) { 115 mCenterDrawable.setCallback(null); 116 mCenterDrawable = null; 117 } 118 if (mIcon != null) { 119 // The view displays three modes, 120 // 1) App icon in the center 121 // 2) Preload icon in the center 122 // 3) Setup icon in the center and app icon in the top right corner. 123 if (mDisabledForSafeMode) { 124 FastBitmapDrawable disabledIcon = mLauncher.createIconDrawable(mIcon); 125 disabledIcon.setGhostModeEnabled(true); 126 mCenterDrawable = disabledIcon; 127 mTopCornerDrawable = null; 128 } else if (isReadyForClickSetup()) { 129 mCenterDrawable = getResources().getDrawable(R.drawable.ic_setting); 130 mTopCornerDrawable = new FastBitmapDrawable(mIcon); 131 } else { 132 if (sPreloaderTheme == null) { 133 sPreloaderTheme = getResources().newTheme(); 134 sPreloaderTheme.applyStyle(R.style.PreloadIcon, true); 135 } 136 137 FastBitmapDrawable drawable = mLauncher.createIconDrawable(mIcon); 138 mCenterDrawable = new PreloadIconDrawable(drawable, sPreloaderTheme); 139 mCenterDrawable.setCallback(this); 140 mTopCornerDrawable = null; 141 applyState(); 142 } 143 mDrawableSizeChanged = true; 144 } 145 } 146 147 @Override 148 protected boolean verifyDrawable(Drawable who) { 149 return (who == mCenterDrawable) || super.verifyDrawable(who); 150 } 151 152 public void applyState() { 153 if (mCenterDrawable != null) { 154 mCenterDrawable.setLevel(Math.max(mInfo.installProgress, 0)); 155 } 156 } 157 158 @Override 159 public void onClick(View v) { 160 // AppWidgetHostView blocks all click events on the root view. Instead handle click events 161 // on the content and pass it along. 162 if (mClickListener != null) { 163 mClickListener.onClick(this); 164 } 165 } 166 167 public boolean isReadyForClickSetup() { 168 return (mInfo.restoreStatus & LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0 169 && (mInfo.restoreStatus & LauncherAppWidgetInfo.FLAG_UI_NOT_READY) != 0; 170 } 171 172 @Override 173 protected void onDraw(Canvas canvas) { 174 if (mCenterDrawable == null) { 175 // Nothing to draw 176 return; 177 } 178 179 DeviceProfile grid = mLauncher.getDeviceProfile(); 180 if (mTopCornerDrawable == null) { 181 if (mDrawableSizeChanged) { 182 int outset = (mCenterDrawable instanceof PreloadIconDrawable) ? 183 ((PreloadIconDrawable) mCenterDrawable).getOutset() : 0; 184 int maxSize = grid.iconSizePx + 2 * outset; 185 int size = Math.min(maxSize, Math.min( 186 getWidth() - getPaddingLeft() - getPaddingRight(), 187 getHeight() - getPaddingTop() - getPaddingBottom())); 188 189 mRect.set(0, 0, size, size); 190 mRect.inset(outset, outset); 191 mRect.offsetTo((getWidth() - mRect.width()) / 2, (getHeight() - mRect.height()) / 2); 192 mCenterDrawable.setBounds(mRect); 193 mDrawableSizeChanged = false; 194 } 195 mCenterDrawable.draw(canvas); 196 } else { 197 // Draw the top corner icon and "Setup" text is possible 198 if (mDrawableSizeChanged) { 199 int iconSize = grid.iconSizePx; 200 int paddingTop = getPaddingTop(); 201 int paddingBottom = getPaddingBottom(); 202 int paddingLeft = getPaddingLeft(); 203 int paddingRight = getPaddingRight(); 204 205 int availableWidth = getWidth() - paddingLeft - paddingRight; 206 int availableHeight = getHeight() - paddingTop - paddingBottom; 207 208 // Recreate the setup text. 209 mSetupTextLayout = new StaticLayout( 210 getResources().getText(R.string.gadget_setup_text), mPaint, availableWidth, 211 Layout.Alignment.ALIGN_CENTER, 1, 0, true); 212 if (mSetupTextLayout.getLineCount() == 1) { 213 // The text fits in a single line. No need to draw the setup icon. 214 int size = Math.min(iconSize, Math.min(availableWidth, 215 availableHeight - mSetupTextLayout.getHeight())); 216 mRect.set(0, 0, size, size); 217 mRect.offsetTo((getWidth() - mRect.width()) / 2, 218 (getHeight() - mRect.height() - mSetupTextLayout.getHeight() 219 - grid.iconDrawablePaddingPx) / 2); 220 221 mTopCornerDrawable.setBounds(mRect); 222 223 // Update left and top to indicate the position where the text will be drawn. 224 mRect.left = paddingLeft; 225 mRect.top = mRect.bottom + grid.iconDrawablePaddingPx; 226 } else { 227 // The text can't be drawn in a single line. Draw a setup icon instead. 228 mSetupTextLayout = null; 229 int size = Math.min(iconSize, Math.min( 230 getWidth() - paddingLeft - paddingRight, 231 getHeight() - paddingTop - paddingBottom)); 232 mRect.set(0, 0, size, size); 233 mRect.offsetTo((getWidth() - mRect.width()) / 2, (getHeight() - mRect.height()) / 2); 234 mCenterDrawable.setBounds(mRect); 235 236 size = Math.min(size / 2, 237 Math.max(mRect.top - paddingTop, mRect.left - paddingLeft)); 238 mTopCornerDrawable.setBounds(paddingLeft, paddingTop, 239 paddingLeft + size, paddingTop + size); 240 } 241 mDrawableSizeChanged = false; 242 } 243 244 if (mSetupTextLayout == null) { 245 mCenterDrawable.draw(canvas); 246 mTopCornerDrawable.draw(canvas); 247 } else { 248 canvas.save(); 249 canvas.translate(mRect.left, mRect.top); 250 mSetupTextLayout.draw(canvas); 251 canvas.restore(); 252 mTopCornerDrawable.draw(canvas); 253 } 254 } 255 } 256} 257