AppsCustomizePagedView.java revision b60fd0eafbb4e6e61b429c403f024dc903bc483a
1ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung/* 2ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Copyright (C) 2011 The Android Open Source Project 3ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 4ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 5ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * you may not use this file except in compliance with the License. 6ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * You may obtain a copy of the License at 7ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 8ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * http://www.apache.org/licenses/LICENSE-2.0 9ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * 10ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * Unless required by applicable law or agreed to in writing, software 11ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * distributed under the License is distributed on an "AS IS" BASIS, 12ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * See the License for the specific language governing permissions and 14ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * limitations under the License. 15ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 16ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 17ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungpackage com.android.launcher2; 18ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 19ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.animation.AnimatorSet; 20ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.animation.ObjectAnimator; 21ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.animation.ValueAnimator; 22ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.appwidget.AppWidgetManager; 235183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyalimport android.appwidget.AppWidgetProviderInfo; 245183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyalimport android.content.ComponentName; 25ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.Context; 26ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.Intent; 27ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.pm.ActivityInfo; 28ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.pm.PackageManager; 29ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.pm.ResolveInfo; 30ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.res.Configuration; 31ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.res.Resources; 32ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.content.res.TypedArray; 33ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.Bitmap; 34ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.Bitmap.Config; 35ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.Canvas; 36ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.PorterDuff; 37ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.Rect; 38ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.graphics.drawable.Drawable; 39ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.os.AsyncTask; 40ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.os.Process; 41ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.util.AttributeSet; 42ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.util.Log; 43ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.Gravity; 44ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.LayoutInflater; 45ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.MotionEvent; 46ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.View; 47ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.ViewGroup; 48ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.view.animation.AccelerateInterpolator; 49ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.widget.GridLayout; 50ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.widget.ImageView; 51ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport android.widget.Toast; 52ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 53ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport com.android.launcher.R; 54ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport com.android.launcher2.DropTarget.DragObject; 55ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 56ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport java.util.ArrayList; 57ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport java.util.Collections; 58ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport java.util.Iterator; 59ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungimport java.util.List; 60ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 61ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung/** 62ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * A simple callback interface which also provides the results of the task. 63ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 64ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chunginterface AsyncTaskCallback { 65ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); 66ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung} 67ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 68ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung/** 69ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung * The data needed to perform either of the custom AsyncTasks. 70ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung */ 71ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chungclass AsyncTaskPageData { 72ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung enum Type { 73ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung LoadWidgetPreviewData, 74ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung LoadHolographicIconsData 75ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung } 76ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung 77ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, 78ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung AsyncTaskCallback postR) { 79ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung page = p; 80ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung items = l; 81ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung sourceImages = si; 82ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung generatedImages = new ArrayList<Bitmap>(); 83ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung cellWidth = cellHeight = -1; 84ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung doInBackgroundCallback = bgR; 85ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung postExecuteCallback = postR; 86ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung } 87ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, int ccx, AsyncTaskCallback bgR, 88ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung AsyncTaskCallback postR) { 89ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung page = p; 90ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung items = l; 91ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung generatedImages = new ArrayList<Bitmap>(); 925183285847816cee9d0db6a8a7ab1a5929163e4eSunny Goyal cellWidth = cw; 93ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung cellHeight = ch; 94ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung cellCountX = ccx; 95ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung doInBackgroundCallback = bgR; 96ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung postExecuteCallback = postR; 97ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung } 98ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung int page; 99ef7f874a889b609bd34e692b9c9a1f8cefd1ea95Winson Chung ArrayList<Object> items; 100 ArrayList<Bitmap> sourceImages; 101 ArrayList<Bitmap> generatedImages; 102 int cellWidth; 103 int cellHeight; 104 int cellCountX; 105 AsyncTaskCallback doInBackgroundCallback; 106 AsyncTaskCallback postExecuteCallback; 107} 108 109/** 110 * A generic template for an async task used in AppsCustomize. 111 */ 112class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { 113 AppsCustomizeAsyncTask(int p, AppsCustomizePagedView.ContentType t, AsyncTaskPageData.Type ty) { 114 page = p; 115 pageContentType = t; 116 threadPriority = Process.THREAD_PRIORITY_DEFAULT; 117 dataType = ty; 118 } 119 @Override 120 protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { 121 if (params.length != 1) return null; 122 // Load each of the widget previews in the background 123 params[0].doInBackgroundCallback.run(this, params[0]); 124 return params[0]; 125 } 126 @Override 127 protected void onPostExecute(AsyncTaskPageData result) { 128 // All the widget previews are loaded, so we can just callback to inflate the page 129 result.postExecuteCallback.run(this, result); 130 } 131 132 void setThreadPriority(int p) { 133 threadPriority = p; 134 } 135 void syncThreadPriority() { 136 Process.setThreadPriority(threadPriority); 137 } 138 139 // The page that this async task is associated with 140 AsyncTaskPageData.Type dataType; 141 int page; 142 AppsCustomizePagedView.ContentType pageContentType; 143 int threadPriority; 144} 145 146/** 147 * The Apps/Customize page that displays all the applications, widgets, and shortcuts. 148 */ 149public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 150 AllAppsView, View.OnClickListener, DragSource { 151 static final String LOG_TAG = "AppsCustomizePagedView"; 152 153 /** 154 * The different content types that this paged view can show. 155 */ 156 public enum ContentType { 157 Applications, 158 Widgets 159 } 160 161 // Refs 162 private Launcher mLauncher; 163 private DragController mDragController; 164 private final LayoutInflater mLayoutInflater; 165 private final PackageManager mPackageManager; 166 167 // Save and Restore 168 private int mSaveInstanceStateItemIndex = -1; 169 private int mRestorePage = -1; 170 171 // Content 172 private ContentType mContentType; 173 private ArrayList<ApplicationInfo> mApps; 174 private ArrayList<Object> mWidgets; 175 176 // Caching 177 private Canvas mCanvas; 178 private Drawable mDefaultWidgetBackground; 179 private IconCache mIconCache; 180 private int mDragViewMultiplyColor; 181 182 // Dimens 183 private int mContentWidth; 184 private int mAppIconSize; 185 private int mMaxWidgetSpan, mMinWidgetSpan; 186 private int mWidgetCountX, mWidgetCountY; 187 private int mWidgetWidthGap, mWidgetHeightGap; 188 private final int mWidgetPreviewIconPaddedDimension; 189 private final float sWidgetPreviewIconPaddingPercentage = 0.25f; 190 private PagedViewCellLayout mWidgetSpacingLayout; 191 192 // Previews & outlines 193 ArrayList<AppsCustomizeAsyncTask> mRunningTasks; 194 private HolographicOutlineHelper mHolographicOutlineHelper; 195 private static final int sPageSleepDelay = 200; 196 197 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 198 super(context, attrs); 199 mLayoutInflater = LayoutInflater.from(context); 200 mPackageManager = context.getPackageManager(); 201 mContentType = ContentType.Applications; 202 mApps = new ArrayList<ApplicationInfo>(); 203 mWidgets = new ArrayList<Object>(); 204 mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); 205 mHolographicOutlineHelper = new HolographicOutlineHelper(); 206 mCanvas = new Canvas(); 207 mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); 208 209 // Save the default widget preview background 210 Resources resources = context.getResources(); 211 mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview_holo); 212 mAppIconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 213 mDragViewMultiplyColor = resources.getColor(R.color.drag_view_multiply_color); 214 215 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0); 216 // TODO-APPS_CUSTOMIZE: remove these unnecessary attrs after 217 mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6); 218 mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4); 219 a.recycle(); 220 a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 221 mWidgetWidthGap = 222 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); 223 mWidgetHeightGap = 224 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); 225 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 226 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 227 a.recycle(); 228 mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); 229 230 // The max widget span is the length N, such that NxN is the largest bounds that the widget 231 // preview can be before applying the widget scaling 232 mMinWidgetSpan = 1; 233 mMaxWidgetSpan = 3; 234 235 // The padding on the non-matched dimension for the default widget preview icons 236 // (top + bottom) 237 mWidgetPreviewIconPaddedDimension = 238 (int) (mAppIconSize * (1 + (2 * sWidgetPreviewIconPaddingPercentage))); 239 mFadeInAdjacentScreens = LauncherApplication.isScreenLarge(); 240 } 241 242 @Override 243 protected void init() { 244 super.init(); 245 mCenterPagesVertically = false; 246 247 Context context = getContext(); 248 Resources r = context.getResources(); 249 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 250 } 251 252 @Override 253 protected void onUnhandledTap(MotionEvent ev) { 254 if (LauncherApplication.isScreenLarge()) { 255 // Dismiss AppsCustomize if we tap 256 mLauncher.showWorkspace(true); 257 } 258 } 259 260 /** Returns the item index of the center item on this page so that we can restore to this 261 * item index when we rotate. */ 262 private int getMiddleComponentIndexOnCurrentPage() { 263 int i = -1; 264 if (getPageCount() > 0) { 265 int currentPage = getCurrentPage(); 266 switch (mContentType) { 267 case Applications: { 268 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(currentPage); 269 PagedViewCellLayoutChildren childrenLayout = layout.getChildrenLayout(); 270 int numItemsPerPage = mCellCountX * mCellCountY; 271 int childCount = childrenLayout.getChildCount(); 272 if (childCount > 0) { 273 i = (currentPage * numItemsPerPage) + (childCount / 2); 274 }} 275 break; 276 case Widgets: { 277 PagedViewGridLayout layout = (PagedViewGridLayout) getChildAt(currentPage); 278 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 279 int childCount = layout.getChildCount(); 280 if (childCount > 0) { 281 i = (currentPage * numItemsPerPage) + (childCount / 2); 282 }} 283 break; 284 } 285 } 286 return i; 287 } 288 289 /** Get the index of the item to restore to if we need to restore the current page. */ 290 int getSaveInstanceStateIndex() { 291 if (mSaveInstanceStateItemIndex == -1) { 292 mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); 293 } 294 return mSaveInstanceStateItemIndex; 295 } 296 297 /** Returns the page in the current orientation which is expected to contain the specified 298 * item index. */ 299 int getPageForComponent(int index) { 300 switch (mContentType) { 301 case Applications: { 302 int numItemsPerPage = mCellCountX * mCellCountY; 303 return (index / numItemsPerPage); 304 } 305 case Widgets: { 306 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 307 return (index / numItemsPerPage); 308 }} 309 return -1; 310 } 311 312 /** 313 * This differs from isDataReady as this is the test done if isDataReady is not set. 314 */ 315 private boolean testDataReady() { 316 // We only do this test once, and we default to the Applications page, so we only really 317 // have to wait for there to be apps. 318 if (mContentType == AppsCustomizePagedView.ContentType.Widgets) { 319 return !mApps.isEmpty() && !mWidgets.isEmpty(); 320 } else { 321 return !mApps.isEmpty(); 322 } 323 } 324 325 /** Restores the page for an item at the specified index */ 326 void restorePageForIndex(int index) { 327 if (index < 0) return; 328 329 int page = getPageForComponent(index); 330 if (page > -1) { 331 if (getChildCount() > 0) { 332 invalidatePageData(page); 333 } else { 334 mRestorePage = page; 335 } 336 } 337 } 338 339 protected void onDataReady(int width, int height) { 340 // Note that we transpose the counts in portrait so that we get a similar layout 341 boolean isLandscape = getResources().getConfiguration().orientation == 342 Configuration.ORIENTATION_LANDSCAPE; 343 int maxCellCountX = Integer.MAX_VALUE; 344 int maxCellCountY = Integer.MAX_VALUE; 345 if (LauncherApplication.isScreenLarge()) { 346 maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : 347 LauncherModel.getCellCountY()); 348 maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : 349 LauncherModel.getCellCountX()); 350 } 351 352 // Now that the data is ready, we can calculate the content width, the number of cells to 353 // use for each page 354 mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 355 mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 356 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 357 mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); 358 mCellCountX = mWidgetSpacingLayout.getCellCountX(); 359 mCellCountY = mWidgetSpacingLayout.getCellCountY(); 360 361 // Force a measure to update recalculate the gaps 362 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 363 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 364 mWidgetSpacingLayout.measure(widthSpec, heightSpec); 365 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 366 invalidatePageData(Math.max(0, mRestorePage)); 367 mRestorePage = -1; 368 } 369 370 @Override 371 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 372 int width = MeasureSpec.getSize(widthMeasureSpec); 373 int height = MeasureSpec.getSize(heightMeasureSpec); 374 if (!isDataReady()) { 375 if (testDataReady()) { 376 setDataIsReady(); 377 setMeasuredDimension(width, height); 378 onDataReady(width, height); 379 } 380 } 381 382 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 383 } 384 385 /** Removes and returns the ResolveInfo with the specified ComponentName */ 386 private ResolveInfo removeResolveInfoWithComponentName(List<ResolveInfo> list, 387 ComponentName cn) { 388 Iterator<ResolveInfo> iter = list.iterator(); 389 while (iter.hasNext()) { 390 ResolveInfo rinfo = iter.next(); 391 ActivityInfo info = rinfo.activityInfo; 392 ComponentName c = new ComponentName(info.packageName, info.name); 393 if (c.equals(cn)) { 394 iter.remove(); 395 return rinfo; 396 } 397 } 398 return null; 399 } 400 401 public void onPackagesUpdated() { 402 // TODO: this isn't ideal, but we actually need to delay here. This call is triggered 403 // by a broadcast receiver, and in order for it to work correctly, we need to know that 404 // the AppWidgetService has already received and processed the same broadcast. Since there 405 // is no guarantee about ordering of broadcast receipt, we just delay here. Ideally, 406 // we should have a more precise way of ensuring the AppWidgetService is up to date. 407 postDelayed(new Runnable() { 408 public void run() { 409 updatePackages(); 410 } 411 }, 500); 412 } 413 414 public void updatePackages() { 415 // Get the list of widgets and shortcuts 416 boolean wasEmpty = mWidgets.isEmpty(); 417 mWidgets.clear(); 418 List<AppWidgetProviderInfo> widgets = 419 AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 420 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 421 List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 422 mWidgets.addAll(widgets); 423 mWidgets.addAll(shortcuts); 424 Collections.sort(mWidgets, 425 new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); 426 427 if (wasEmpty) { 428 // The next layout pass will trigger data-ready if both widgets and apps are set, so request 429 // a layout to do this test and invalidate the page data when ready. 430 if (testDataReady()) requestLayout(); 431 } else { 432 invalidatePageData(); 433 } 434 } 435 436 @Override 437 public void onClick(View v) { 438 // When we have exited all apps or are in transition, disregard clicks 439 if (!mLauncher.isAllAppsCustomizeOpen() || 440 mLauncher.getWorkspace().isSwitchingState()) return; 441 442 if (v instanceof PagedViewIcon) { 443 // Animate some feedback to the click 444 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 445 animateClickFeedback(v, new Runnable() { 446 @Override 447 public void run() { 448 mLauncher.startActivitySafely(appInfo.intent, appInfo); 449 } 450 }); 451 } else if (v instanceof PagedViewWidget) { 452 // Let the user know that they have to long press to add a widget 453 Toast.makeText(getContext(), R.string.long_press_widget_to_add, 454 Toast.LENGTH_SHORT).show(); 455 456 // Create a little animation to show that the widget can move 457 float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); 458 final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); 459 AnimatorSet bounce = new AnimatorSet(); 460 ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); 461 tyuAnim.setDuration(125); 462 ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); 463 tydAnim.setDuration(100); 464 bounce.play(tyuAnim).before(tydAnim); 465 bounce.setInterpolator(new AccelerateInterpolator()); 466 bounce.start(); 467 } 468 } 469 470 /* 471 * PagedViewWithDraggableItems implementation 472 */ 473 @Override 474 protected void determineDraggingStart(android.view.MotionEvent ev) { 475 // Disable dragging by pulling an app down for now. 476 } 477 478 private void beginDraggingApplication(View v) { 479 mLauncher.getWorkspace().onDragStartedWithItem(v); 480 mLauncher.getWorkspace().beginDragShared(v, this); 481 } 482 483 private void beginDraggingWidget(View v) { 484 // Get the widget preview as the drag representation 485 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 486 PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); 487 488 // Compose the drag image 489 Bitmap b; 490 Drawable preview = image.getDrawable(); 491 int w = preview.getIntrinsicWidth(); 492 int h = preview.getIntrinsicHeight(); 493 if (createItemInfo instanceof PendingAddWidgetInfo) { 494 PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; 495 int[] spanXY = CellLayout.rectToCell(getResources(), 496 createWidgetInfo.minWidth, createWidgetInfo.minHeight, null); 497 createItemInfo.spanX = spanXY[0]; 498 createItemInfo.spanY = spanXY[1]; 499 500 b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); 501 renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1, mDragViewMultiplyColor); 502 } else { 503 // Workaround for the fact that we don't keep the original ResolveInfo associated with 504 // the shortcut around. To get the icon, we just render the preview image (which has 505 // the shortcut icon) to a new drag bitmap that clips the non-icon space. 506 b = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension, 507 mWidgetPreviewIconPaddedDimension, Bitmap.Config.ARGB_8888); 508 mCanvas.setBitmap(b); 509 mCanvas.save(); 510 preview.draw(mCanvas); 511 mCanvas.restore(); 512 mCanvas.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY); 513 mCanvas.setBitmap(null); 514 createItemInfo.spanX = createItemInfo.spanY = 1; 515 } 516 517 // Start the drag 518 mLauncher.lockScreenOrientation(); 519 mLauncher.getWorkspace().onDragStartedWithItemSpans(createItemInfo.spanX, 520 createItemInfo.spanY, b); 521 mDragController.startDrag(image, b, this, createItemInfo, 522 DragController.DRAG_ACTION_COPY, null); 523 b.recycle(); 524 } 525 @Override 526 protected boolean beginDragging(View v) { 527 if (!super.beginDragging(v)) return false; 528 529 // Go into spring loaded mode (must happen before we startDrag()) 530 int currentPageIndex = mLauncher.getWorkspace().getCurrentPage(); 531 CellLayout currentPage = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPageIndex); 532 mLauncher.enterSpringLoadedDragMode(currentPage); 533 534 if (v instanceof PagedViewIcon) { 535 beginDraggingApplication(v); 536 } else if (v instanceof PagedViewWidget) { 537 beginDraggingWidget(v); 538 } 539 return true; 540 } 541 private void endDragging(View target, boolean success) { 542 mLauncher.getWorkspace().onDragStopped(success); 543 if (!success || (target != mLauncher.getWorkspace() && 544 !(target instanceof DeleteDropTarget))) { 545 // Exit spring loaded mode if we have not successfully dropped or have not handled the 546 // drop in Workspace 547 mLauncher.exitSpringLoadedDragMode(); 548 } 549 mLauncher.unlockScreenOrientation(); 550 551 } 552 553 @Override 554 public void onDropCompleted(View target, DragObject d, boolean success) { 555 endDragging(target, success); 556 557 // Display an error message if the drag failed due to there not being enough space on the 558 // target layout we were dropping on. 559 if (!success) { 560 boolean showOutOfSpaceMessage = false; 561 if (target instanceof Workspace) { 562 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 563 Workspace workspace = (Workspace) target; 564 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 565 ItemInfo itemInfo = (ItemInfo) d.dragInfo; 566 if (layout != null) { 567 layout.calculateSpans(itemInfo); 568 showOutOfSpaceMessage = 569 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 570 } 571 } 572 // TODO-APPS_CUSTOMIZE: We need to handle this for folders as well later. 573 if (showOutOfSpaceMessage) { 574 mLauncher.showOutOfSpaceMessage(); 575 } 576 } 577 } 578 579 public void setContentType(ContentType type) { 580 mContentType = type; 581 invalidatePageData(0, (type != ContentType.Applications)); 582 } 583 584 public boolean isContentType(ContentType type) { 585 return (mContentType == type); 586 } 587 588 public void setCurrentPageToWidgets() { 589 invalidatePageData(0); 590 } 591 592 /* 593 * Apps PagedView implementation 594 */ 595 private void setVisibilityOnChildren(ViewGroup layout, int visibility) { 596 int childCount = layout.getChildCount(); 597 for (int i = 0; i < childCount; ++i) { 598 layout.getChildAt(i).setVisibility(visibility); 599 } 600 } 601 private void setupPage(PagedViewCellLayout layout) { 602 layout.setCellCount(mCellCountX, mCellCountY); 603 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 604 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 605 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 606 607 // Note: We force a measure here to get around the fact that when we do layout calculations 608 // immediately after syncing, we don't have a proper width. That said, we already know the 609 // expected page width, so we can actually optimize by hiding all the TextView-based 610 // children that are expensive to measure, and let that happen naturally later. 611 setVisibilityOnChildren(layout, View.GONE); 612 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 613 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 614 layout.setMinimumWidth(getPageContentWidth()); 615 layout.measure(widthSpec, heightSpec); 616 setVisibilityOnChildren(layout, View.VISIBLE); 617 } 618 public void syncAppsPages() { 619 // Ensure that we have the right number of pages 620 Context context = getContext(); 621 int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 622 for (int i = 0; i < numPages; ++i) { 623 PagedViewCellLayout layout = new PagedViewCellLayout(context); 624 setupPage(layout); 625 addView(layout); 626 } 627 } 628 public void syncAppsPageItems(int page, boolean immediate) { 629 // ensure that we have the right number of items on the pages 630 int numPages = getPageCount(); 631 int numCells = mCellCountX * mCellCountY; 632 int startIndex = page * numCells; 633 int endIndex = Math.min(startIndex + numCells, mApps.size()); 634 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); 635 636 layout.removeAllViewsOnPage(); 637 ArrayList<Object> items = new ArrayList<Object>(); 638 ArrayList<Bitmap> images = new ArrayList<Bitmap>(); 639 for (int i = startIndex; i < endIndex; ++i) { 640 ApplicationInfo info = mApps.get(i); 641 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 642 R.layout.apps_customize_application, layout, false); 643 icon.applyFromApplicationInfo(info, true, mHolographicOutlineHelper); 644 icon.setOnClickListener(this); 645 icon.setOnLongClickListener(this); 646 icon.setOnTouchListener(this); 647 648 int index = i - startIndex; 649 int x = index % mCellCountX; 650 int y = index / mCellCountX; 651 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 652 653 items.add(info); 654 images.add(info.iconBitmap); 655 } 656 657 // Create the hardware layers 658 layout.allowHardwareLayerCreation(); 659 layout.createHardwareLayers(); 660 661 if (mFadeInAdjacentScreens) { 662 prepareGenerateHoloOutlinesTask(page, items, images); 663 } 664 } 665 666 /** 667 * Return the appropriate thread priority for loading for a given page (we give the current 668 * page much higher priority) 669 */ 670 private int getThreadPriorityForPage(int page) { 671 // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below 672 int pageDiff = Math.abs(page - mCurrentPage); 673 if (pageDiff <= 0) { 674 // return Process.THREAD_PRIORITY_DEFAULT; 675 return Process.THREAD_PRIORITY_MORE_FAVORABLE; 676 } else if (pageDiff <= 1) { 677 // return Process.THREAD_PRIORITY_BACKGROUND; 678 return Process.THREAD_PRIORITY_DEFAULT; 679 } else { 680 // return Process.THREAD_PRIORITY_LOWEST; 681 return Process.THREAD_PRIORITY_DEFAULT; 682 } 683 } 684 private int getSleepForPage(int page) { 685 int pageDiff = Math.abs(page - mCurrentPage) - 1; 686 return Math.max(0, pageDiff * sPageSleepDelay); 687 } 688 /** 689 * Creates and executes a new AsyncTask to load a page of widget previews. 690 */ 691 private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, 692 int cellWidth, int cellHeight, int cellCountX) { 693 // Prune all tasks that are no longer needed 694 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 695 while (iter.hasNext()) { 696 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 697 int taskPage = task.page; 698 if ((taskPage == page) || 699 taskPage < getAssociatedLowerPageBound(mCurrentPage) || 700 taskPage > getAssociatedUpperPageBound(mCurrentPage)) { 701 task.cancel(false); 702 iter.remove(); 703 } else { 704 task.setThreadPriority(getThreadPriorityForPage(taskPage)); 705 } 706 } 707 708 // We introduce a slight delay to order the loading of side pages so that we don't thrash 709 final int sleepMs = getSleepForPage(page); 710 AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, 711 cellCountX, new AsyncTaskCallback() { 712 @Override 713 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 714 try { 715 Thread.sleep(sleepMs); 716 } catch (Exception e) {} 717 loadWidgetPreviewsInBackground(task, data); 718 } 719 }, 720 new AsyncTaskCallback() { 721 @Override 722 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 723 mRunningTasks.remove(task); 724 if (task.isCancelled()) return; 725 if (task.page > getPageCount()) return; 726 if (task.pageContentType != mContentType) return; 727 onSyncWidgetPageItems(data); 728 } 729 }); 730 731 // Ensure that the task is appropriately prioritized and runs in parallel 732 AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, mContentType, 733 AsyncTaskPageData.Type.LoadWidgetPreviewData); 734 t.setThreadPriority(getThreadPriorityForPage(page)); 735 t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); 736 mRunningTasks.add(t); 737 } 738 /** 739 * Creates and executes a new AsyncTask to load the outlines for a page of content. 740 */ 741 private void prepareGenerateHoloOutlinesTask(int page, ArrayList<Object> items, 742 ArrayList<Bitmap> images) { 743 // Prune old tasks for this page 744 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 745 while (iter.hasNext()) { 746 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 747 int taskPage = task.page; 748 if ((taskPage == page) && 749 (task.dataType == AsyncTaskPageData.Type.LoadHolographicIconsData)) { 750 task.cancel(false); 751 iter.remove(); 752 } 753 } 754 755 AsyncTaskPageData pageData = new AsyncTaskPageData(page, items, images, 756 new AsyncTaskCallback() { 757 @Override 758 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 759 // Ensure that this task starts running at the correct priority 760 task.syncThreadPriority(); 761 762 ArrayList<Bitmap> images = data.generatedImages; 763 ArrayList<Bitmap> srcImages = data.sourceImages; 764 int count = srcImages.size(); 765 Canvas c = new Canvas(); 766 for (int i = 0; i < count && !task.isCancelled(); ++i) { 767 // Before work on each item, ensure that this task is running at the correct 768 // priority 769 task.syncThreadPriority(); 770 771 Bitmap b = srcImages.get(i); 772 Bitmap outline = Bitmap.createBitmap(b.getWidth(), b.getHeight(), 773 Bitmap.Config.ARGB_8888); 774 775 c.setBitmap(outline); 776 c.save(); 777 c.drawBitmap(b, 0, 0, null); 778 c.restore(); 779 c.setBitmap(null); 780 781 images.add(outline); 782 } 783 } 784 }, 785 new AsyncTaskCallback() { 786 @Override 787 public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { 788 mRunningTasks.remove(task); 789 if (task.isCancelled()) return; 790 if (task.page > getPageCount()) return; 791 if (task.pageContentType != mContentType) return; 792 onHolographicPageItemsLoaded(data); 793 } 794 }); 795 796 // Ensure that the outline task always runs in the background, serially 797 AppsCustomizeAsyncTask t = 798 new AppsCustomizeAsyncTask(page, mContentType, 799 AsyncTaskPageData.Type.LoadHolographicIconsData); 800 t.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 801 t.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, pageData); 802 mRunningTasks.add(t); 803 } 804 805 /* 806 * Widgets PagedView implementation 807 */ 808 private void setupPage(PagedViewGridLayout layout) { 809 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 810 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 811 812 // Note: We force a measure here to get around the fact that when we do layout calculations 813 // immediately after syncing, we don't have a proper width. 814 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 815 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 816 layout.setMinimumWidth(getPageContentWidth()); 817 layout.measure(widthSpec, heightSpec); 818 } 819 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 820 float scaleX, float scaleY) { 821 renderDrawableToBitmap(d, bitmap, x, y, w, h, scaleX, scaleY, 0xFFFFFFFF); 822 } 823 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 824 float scaleX, float scaleY, int multiplyColor) { 825 if (bitmap != null) { 826 Canvas c = new Canvas(bitmap); 827 c.scale(scaleX, scaleY); 828 Rect oldBounds = d.copyBounds(); 829 d.setBounds(x, y, x + w, y + h); 830 d.draw(c); 831 d.setBounds(oldBounds); // Restore the bounds 832 if (multiplyColor != 0xFFFFFFFF) { 833 c.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY); 834 } 835 c.setBitmap(null); 836 } 837 } 838 private Bitmap getShortcutPreview(ResolveInfo info, int cellWidth, int cellHeight) { 839 // Render the icon 840 Bitmap preview = Bitmap.createBitmap(cellWidth, mAppIconSize, Config.ARGB_8888); 841 Drawable icon = mIconCache.getFullResIcon(info, mPackageManager); 842 renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize, 1f, 1f); 843 return preview; 844 } 845 private Bitmap getWidgetPreview(AppWidgetProviderInfo info, 846 int cellHSpan, int cellVSpan, int cellWidth, int cellHeight) { 847 848 // Calculate the size of the drawable 849 cellHSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellHSpan)); 850 cellVSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellVSpan)); 851 int expectedWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan); 852 int expectedHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan); 853 854 // Scale down the bitmap to fit the space 855 float widgetPreviewScale = (float) cellWidth / expectedWidth; 856 expectedWidth = (int) (widgetPreviewScale * expectedWidth); 857 expectedHeight = (int) (widgetPreviewScale * expectedHeight); 858 859 // Load the preview image if possible 860 String packageName = info.provider.getPackageName(); 861 Drawable drawable = null; 862 Bitmap preview = null; 863 if (info.previewImage != 0) { 864 drawable = mPackageManager.getDrawable(packageName, info.previewImage, null); 865 if (drawable == null) { 866 Log.w(LOG_TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) 867 + " for provider: " + info.provider); 868 } else { 869 // Scale down the preview to the dimensions we want 870 int imageWidth = drawable.getIntrinsicWidth(); 871 int imageHeight = drawable.getIntrinsicHeight(); 872 float aspect = (float) imageWidth / imageHeight; 873 int newWidth = imageWidth; 874 int newHeight = imageHeight; 875 if (aspect > 1f) { 876 newWidth = expectedWidth; 877 newHeight = (int) (imageHeight * ((float) expectedWidth / imageWidth)); 878 } else { 879 newHeight = expectedHeight; 880 newWidth = (int) (imageWidth * ((float) expectedHeight / imageHeight)); 881 } 882 883 preview = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888); 884 renderDrawableToBitmap(drawable, preview, 0, 0, newWidth, newHeight, 1f, 1f); 885 } 886 } 887 888 // Generate a preview image if we couldn't load one 889 if (drawable == null) { 890 Resources resources = mLauncher.getResources(); 891 int bitmapWidth; 892 int bitmapHeight; 893 894 // Specify the dimensions of the bitmap (since we are using a default preview bg with 895 // the full icon, we only imply the aspect ratio of the widget) 896 if (cellHSpan == cellVSpan) { 897 bitmapWidth = bitmapHeight = cellWidth; 898 expectedWidth = expectedHeight = mWidgetPreviewIconPaddedDimension; 899 } else if (cellHSpan >= cellVSpan) { 900 bitmapWidth = expectedWidth = cellWidth; 901 bitmapHeight = expectedHeight = mWidgetPreviewIconPaddedDimension; 902 } else { 903 // Note that in vertical widgets, we might not have enough space due to the text 904 // label, so be conservative and use the width as a height bound 905 bitmapWidth = expectedWidth = mWidgetPreviewIconPaddedDimension; 906 bitmapHeight = expectedHeight = cellWidth; 907 } 908 909 preview = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Config.ARGB_8888); 910 renderDrawableToBitmap(mDefaultWidgetBackground, preview, 0, 0, expectedWidth, 911 expectedHeight, 1f, 1f); 912 913 // Draw the icon in the top left corner 914 try { 915 Drawable icon = null; 916 if (info.icon > 0) icon = mPackageManager.getDrawable(packageName, info.icon, null); 917 if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application); 918 919 int offset = (int) (mAppIconSize * sWidgetPreviewIconPaddingPercentage); 920 renderDrawableToBitmap(icon, preview, offset, offset, 921 mAppIconSize, mAppIconSize, 1f, 1f); 922 } catch (Resources.NotFoundException e) {} 923 } 924 return preview; 925 } 926 public void syncWidgetPages() { 927 // Ensure that we have the right number of pages 928 Context context = getContext(); 929 int numPages = (int) Math.ceil(mWidgets.size() / 930 (float) (mWidgetCountX * mWidgetCountY)); 931 for (int j = 0; j < numPages; ++j) { 932 PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, 933 mWidgetCountY); 934 setupPage(layout); 935 addView(layout); 936 } 937 } 938 public void syncWidgetPageItems(int page, boolean immediate) { 939 int numItemsPerPage = mWidgetCountX * mWidgetCountY; 940 int contentWidth = mWidgetSpacingLayout.getContentWidth(); 941 int contentHeight = mWidgetSpacingLayout.getContentHeight(); 942 943 // Calculate the dimensions of each cell we are giving to each widget 944 ArrayList<Object> items = new ArrayList<Object>(); 945 int cellWidth = ((contentWidth - mPageLayoutPaddingLeft - mPageLayoutPaddingRight 946 - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); 947 int cellHeight = ((contentHeight - mPageLayoutPaddingTop - mPageLayoutPaddingBottom 948 - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); 949 950 int offset = page * numItemsPerPage; 951 for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { 952 items.add(mWidgets.get(i)); 953 } 954 955 if (immediate) { 956 AsyncTaskPageData data = new AsyncTaskPageData(page, items, cellWidth, cellHeight, 957 mWidgetCountX, null, null); 958 loadWidgetPreviewsInBackground(null, data); 959 onSyncWidgetPageItems(data); 960 } else { 961 prepareLoadWidgetPreviewsTask(page, items, cellWidth, cellHeight, mWidgetCountX); 962 } 963 } 964 private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, 965 AsyncTaskPageData data) { 966 if (task != null) { 967 // Ensure that this task starts running at the correct priority 968 task.syncThreadPriority(); 969 } 970 971 // Load each of the widget/shortcut previews 972 ArrayList<Object> items = data.items; 973 ArrayList<Bitmap> images = data.generatedImages; 974 int count = items.size(); 975 int cellWidth = data.cellWidth; 976 int cellHeight = data.cellHeight; 977 for (int i = 0; i < count; ++i) { 978 if (task != null) { 979 // Ensure we haven't been cancelled yet 980 if (task.isCancelled()) break; 981 // Before work on each item, ensure that this task is running at the correct 982 // priority 983 task.syncThreadPriority(); 984 } 985 986 Object rawInfo = items.get(i); 987 if (rawInfo instanceof AppWidgetProviderInfo) { 988 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 989 int[] cellSpans = CellLayout.rectToCell(getResources(), 990 info.minWidth, info.minHeight, null); 991 images.add(getWidgetPreview(info, cellSpans[0],cellSpans[1], 992 cellWidth, cellHeight)); 993 } else if (rawInfo instanceof ResolveInfo) { 994 // Fill in the shortcuts information 995 ResolveInfo info = (ResolveInfo) rawInfo; 996 images.add(getShortcutPreview(info, cellWidth, cellHeight)); 997 } 998 } 999 } 1000 private void onSyncWidgetPageItems(AsyncTaskPageData data) { 1001 int page = data.page; 1002 PagedViewGridLayout layout = (PagedViewGridLayout) getChildAt(page); 1003 // Only set the column count once we have items 1004 layout.setColumnCount(layout.getCellCountX()); 1005 1006 ArrayList<Object> items = data.items; 1007 int count = items.size(); 1008 int cellWidth = data.cellWidth; 1009 int cellHeight = data.cellHeight; 1010 int cellCountX = data.cellCountX; 1011 for (int i = 0; i < count; ++i) { 1012 Object rawInfo = items.get(i); 1013 PendingAddItemInfo createItemInfo = null; 1014 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 1015 R.layout.apps_customize_widget, layout, false); 1016 if (rawInfo instanceof AppWidgetProviderInfo) { 1017 // Fill in the widget information 1018 AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; 1019 createItemInfo = new PendingAddWidgetInfo(info, null, null, "13"); 1020 int[] cellSpans = CellLayout.rectToCell(getResources(), 1021 info.minWidth, info.minHeight, null); 1022 FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); 1023 widget.applyFromAppWidgetProviderInfo(info, preview, -1, cellSpans, 1024 mHolographicOutlineHelper); 1025 widget.setTag(createItemInfo); 1026 } else if (rawInfo instanceof ResolveInfo) { 1027 // Fill in the shortcuts information 1028 ResolveInfo info = (ResolveInfo) rawInfo; 1029 createItemInfo = new PendingAddItemInfo("14"); 1030 createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1031 createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, 1032 info.activityInfo.name); 1033 FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); 1034 widget.applyFromResolveInfo(mPackageManager, info, preview, 1035 mHolographicOutlineHelper); 1036 widget.setTag(createItemInfo); 1037 } 1038 widget.setOnClickListener(this); 1039 widget.setOnLongClickListener(this); 1040 widget.setOnTouchListener(this); 1041 1042 // Layout each widget 1043 int ix = i % cellCountX; 1044 int iy = i / cellCountX; 1045 GridLayout.LayoutParams lp = new GridLayout.LayoutParams( 1046 GridLayout.spec(iy, GridLayout.LEFT), 1047 GridLayout.spec(ix, GridLayout.TOP)); 1048 lp.width = cellWidth; 1049 lp.height = cellHeight; 1050 lp.setGravity(Gravity.TOP | Gravity.LEFT); 1051 if (ix > 0) lp.leftMargin = mWidgetWidthGap; 1052 if (iy > 0) lp.topMargin = mWidgetHeightGap; 1053 layout.addView(widget, lp); 1054 } 1055 1056 invalidate(); 1057 forceUpdateAdjacentPagesAlpha(); 1058 1059 if (mFadeInAdjacentScreens) { 1060 prepareGenerateHoloOutlinesTask(data.page, data.items, data.generatedImages); 1061 } 1062 } 1063 private void onHolographicPageItemsLoaded(AsyncTaskPageData data) { 1064 // Invalidate early to short-circuit children invalidates 1065 invalidate(); 1066 1067 int page = data.page; 1068 ViewGroup layout = (ViewGroup) getChildAt(page); 1069 if (layout instanceof PagedViewCellLayout) { 1070 PagedViewCellLayout cl = (PagedViewCellLayout) layout; 1071 int count = cl.getPageChildCount(); 1072 if (count != data.generatedImages.size()) return; 1073 for (int i = 0; i < count; ++i) { 1074 PagedViewIcon icon = (PagedViewIcon) cl.getChildOnPageAt(i); 1075 icon.setHolographicOutline(data.generatedImages.get(i)); 1076 } 1077 } else { 1078 int count = layout.getChildCount(); 1079 if (count != data.generatedImages.size()) return; 1080 for (int i = 0; i < count; ++i) { 1081 View v = layout.getChildAt(i); 1082 ((PagedViewWidget) v).setHolographicOutline(data.generatedImages.get(i)); 1083 } 1084 } 1085 } 1086 1087 @Override 1088 public void syncPages() { 1089 removeAllViews(); 1090 1091 // Remove all background asyc tasks if we are loading content anew 1092 Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); 1093 while (iter.hasNext()) { 1094 AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); 1095 task.cancel(false); 1096 iter.remove(); 1097 } 1098 1099 switch (mContentType) { 1100 case Applications: 1101 syncAppsPages(); 1102 break; 1103 case Widgets: 1104 syncWidgetPages(); 1105 break; 1106 } 1107 } 1108 @Override 1109 public void syncPageItems(int page, boolean immediate) { 1110 switch (mContentType) { 1111 case Applications: 1112 syncAppsPageItems(page, immediate); 1113 break; 1114 case Widgets: 1115 syncWidgetPageItems(page, immediate); 1116 break; 1117 } 1118 } 1119 1120 /** 1121 * Used by the parent to get the content width to set the tab bar to 1122 * @return 1123 */ 1124 public int getPageContentWidth() { 1125 return mContentWidth; 1126 } 1127 1128 @Override 1129 protected void onPageBeginMoving() { 1130 /* TO BE ENABLED LATER 1131 setChildrenDrawnWithCacheEnabled(true); 1132 for (int i = 0; i < getChildCount(); ++i) { 1133 View v = getChildAt(i); 1134 if (v instanceof PagedViewCellLayout) { 1135 ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(true); 1136 } 1137 } 1138 */ 1139 super.onPageBeginMoving(); 1140 } 1141 1142 @Override 1143 protected void onPageEndMoving() { 1144 /* TO BE ENABLED LATER 1145 for (int i = 0; i < getChildCount(); ++i) { 1146 View v = getChildAt(i); 1147 if (v instanceof PagedViewCellLayout) { 1148 ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(false); 1149 } 1150 } 1151 setChildrenDrawnWithCacheEnabled(false); 1152 */ 1153 super.onPageEndMoving(); 1154 1155 // We reset the save index when we change pages so that it will be recalculated on next 1156 // rotation 1157 mSaveInstanceStateItemIndex = -1; 1158 } 1159 1160 /* 1161 * AllAppsView implementation 1162 */ 1163 @Override 1164 public void setup(Launcher launcher, DragController dragController) { 1165 mLauncher = launcher; 1166 mDragController = dragController; 1167 } 1168 @Override 1169 public void zoom(float zoom, boolean animate) { 1170 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 1171 } 1172 @Override 1173 public boolean isVisible() { 1174 return (getVisibility() == VISIBLE); 1175 } 1176 @Override 1177 public boolean isAnimating() { 1178 return false; 1179 } 1180 @Override 1181 public void setApps(ArrayList<ApplicationInfo> list) { 1182 mApps = list; 1183 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 1184 1185 // The next layout pass will trigger data-ready if both widgets and apps are set, so 1186 // request a layout to do this test and invalidate the page data when ready. 1187 if (testDataReady()) requestLayout(); 1188 } 1189 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1190 // We add it in place, in alphabetical order 1191 int count = list.size(); 1192 for (int i = 0; i < count; ++i) { 1193 ApplicationInfo info = list.get(i); 1194 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 1195 if (index < 0) { 1196 mApps.add(-(index + 1), info); 1197 } 1198 } 1199 } 1200 @Override 1201 public void addApps(ArrayList<ApplicationInfo> list) { 1202 addAppsWithoutInvalidate(list); 1203 invalidatePageData(); 1204 } 1205 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 1206 ComponentName removeComponent = item.intent.getComponent(); 1207 int length = list.size(); 1208 for (int i = 0; i < length; ++i) { 1209 ApplicationInfo info = list.get(i); 1210 if (info.intent.getComponent().equals(removeComponent)) { 1211 return i; 1212 } 1213 } 1214 return -1; 1215 } 1216 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 1217 // loop through all the apps and remove apps that have the same component 1218 int length = list.size(); 1219 for (int i = 0; i < length; ++i) { 1220 ApplicationInfo info = list.get(i); 1221 int removeIndex = findAppByComponent(mApps, info); 1222 if (removeIndex > -1) { 1223 mApps.remove(removeIndex); 1224 } 1225 } 1226 } 1227 @Override 1228 public void removeApps(ArrayList<ApplicationInfo> list) { 1229 removeAppsWithoutInvalidate(list); 1230 invalidatePageData(); 1231 } 1232 @Override 1233 public void updateApps(ArrayList<ApplicationInfo> list) { 1234 // We remove and re-add the updated applications list because it's properties may have 1235 // changed (ie. the title), and this will ensure that the items will be in their proper 1236 // place in the list. 1237 removeAppsWithoutInvalidate(list); 1238 addAppsWithoutInvalidate(list); 1239 invalidatePageData(); 1240 } 1241 1242 @Override 1243 public void reset() { 1244 if (mContentType != ContentType.Applications) { 1245 // Reset to the first page of the Apps pane 1246 AppsCustomizeTabHost tabs = (AppsCustomizeTabHost) 1247 mLauncher.findViewById(R.id.apps_customize_pane); 1248 tabs.selectAppsTab(); 1249 } else if (getCurrentPage() != 0) { 1250 invalidatePageData(0); 1251 } 1252 } 1253 @Override 1254 public void dumpState() { 1255 // TODO: Dump information related to current list of Applications, Widgets, etc. 1256 ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps); 1257 dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets); 1258 } 1259 private void dumpAppWidgetProviderInfoList(String tag, String label, 1260 ArrayList<Object> list) { 1261 Log.d(tag, label + " size=" + list.size()); 1262 for (Object i: list) { 1263 if (i instanceof AppWidgetProviderInfo) { 1264 AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; 1265 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 1266 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 1267 + " initialLayout=" + info.initialLayout 1268 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 1269 } else if (i instanceof ResolveInfo) { 1270 ResolveInfo info = (ResolveInfo) i; 1271 Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" 1272 + info.icon); 1273 } 1274 } 1275 } 1276 @Override 1277 public void surrender() { 1278 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 1279 // should stop this now. 1280 } 1281 1282 /* 1283 * We load an extra page on each side to prevent flashes from scrolling and loading of the 1284 * widget previews in the background with the AsyncTasks. 1285 */ 1286 protected int getAssociatedLowerPageBound(int page) { 1287 return Math.max(0, page - 2); 1288 } 1289 protected int getAssociatedUpperPageBound(int page) { 1290 final int count = getChildCount(); 1291 return Math.min(page + 2, count - 1); 1292 } 1293 1294 @Override 1295 protected String getCurrentPageDescription() { 1296 int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; 1297 int stringId = R.string.default_scroll_format; 1298 switch (mContentType) { 1299 case Applications: 1300 stringId = R.string.apps_customize_apps_scroll_format; 1301 break; 1302 case Widgets: 1303 stringId = R.string.apps_customize_widgets_scroll_format; 1304 break; 1305 } 1306 return String.format(mContext.getString(stringId), page + 1, getChildCount()); 1307 } 1308} 1309