AppsCustomizePagedView.java revision fc79c8067e21e55fce3802a63e15ee4c6f11d595
1/* 2 * Copyright (C) 2011 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.launcher2; 18 19import java.util.ArrayList; 20import java.util.Collections; 21import java.util.List; 22 23import android.animation.Animator; 24import android.animation.AnimatorListenerAdapter; 25import android.animation.ObjectAnimator; 26import android.animation.PropertyValuesHolder; 27import android.appwidget.AppWidgetManager; 28import android.appwidget.AppWidgetProviderInfo; 29import android.content.ComponentName; 30import android.content.Context; 31import android.content.Intent; 32import android.content.pm.PackageManager; 33import android.content.pm.ResolveInfo; 34import android.content.res.Resources; 35import android.content.res.TypedArray; 36import android.graphics.Bitmap; 37import android.graphics.Bitmap.Config; 38import android.graphics.Canvas; 39import android.graphics.Rect; 40import android.graphics.RectF; 41import android.graphics.drawable.Drawable; 42import android.util.AttributeSet; 43import android.util.Log; 44import android.view.Gravity; 45import android.view.LayoutInflater; 46import android.view.View; 47import android.view.animation.DecelerateInterpolator; 48import android.view.animation.LinearInterpolator; 49import android.widget.FrameLayout; 50import android.widget.ImageView; 51import android.widget.LinearLayout; 52import android.widget.TextView; 53 54import com.android.launcher.R; 55 56public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements 57 AllAppsView, View.OnClickListener, DragSource { 58 static final String LOG_TAG = "AppsCustomizePagedView"; 59 60 /** 61 * The different content types that this paged view can show. 62 */ 63 public enum ContentType { 64 Applications, 65 Widgets 66 } 67 68 // Refs 69 private Launcher mLauncher; 70 private DragController mDragController; 71 private final LayoutInflater mLayoutInflater; 72 private final PackageManager mPackageManager; 73 74 // Content 75 private ContentType mContentType; 76 private ArrayList<ApplicationInfo> mApps; 77 private List<AppWidgetProviderInfo> mWidgets; 78 private List<ResolveInfo> mShortcuts; 79 80 // Dimens 81 private int mContentWidth; 82 private int mMaxWidgetSpan, mMinWidgetSpan; 83 private int mWidgetCellWidthGap, mWidgetCellHeightGap; 84 private int mWidgetCountX, mWidgetCountY; 85 private PagedViewCellLayout mWidgetSpacingLayout; 86 87 // Animations 88 private final float ANIMATION_SCALE = 0.5f; 89 private final int TRANSLATE_ANIM_DURATION = 400; 90 private final int DROP_ANIM_DURATION = 200; 91 92 public AppsCustomizePagedView(Context context, AttributeSet attrs) { 93 super(context, attrs); 94 mLayoutInflater = LayoutInflater.from(context); 95 mPackageManager = context.getPackageManager(); 96 mContentType = ContentType.Applications; 97 mApps = new ArrayList<ApplicationInfo>(); 98 mWidgets = new ArrayList<AppWidgetProviderInfo>(); 99 mShortcuts = new ArrayList<ResolveInfo>(); 100 101 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0); 102 mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6); 103 mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4); 104 a.recycle(); 105 a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); 106 mWidgetCellWidthGap = 107 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 10); 108 mWidgetCellHeightGap = 109 a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 10); 110 mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); 111 mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); 112 a.recycle(); 113 114 // Create a dummy page that we can use to approximate the cell dimensions of widgets and 115 // the content width (to be used by our parent) 116 mWidgetSpacingLayout = new PagedViewCellLayout(context); 117 setupPage(mWidgetSpacingLayout); 118 mContentWidth = mWidgetSpacingLayout.getContentWidth(); 119 120 // The max widget span is the length N, such that NxN is the largest bounds that the widget 121 // preview can be before applying the widget scaling 122 mMinWidgetSpan = 1; 123 mMaxWidgetSpan = 3; 124 } 125 126 @Override 127 protected void init() { 128 super.init(); 129 mCenterPagesVertically = false; 130 131 Context context = getContext(); 132 Resources r = context.getResources(); 133 setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); 134 } 135 136 public void onPackagesUpdated() { 137 // Get the list of widgets 138 mWidgets = AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); 139 Collections.sort(mWidgets, LauncherModel.WIDGET_NAME_COMPARATOR); 140 141 // Get the list of shortcuts 142 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 143 mShortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); 144 Collections.sort(mShortcuts, new LauncherModel.ShortcutNameComparator(mPackageManager)); 145 } 146 147 /** 148 * Animates the given item onto the center of a home screen, and then scales the item to 149 * look as though it's disappearing onto that screen. 150 */ 151 private void animateItemOntoScreen(View dragView, 152 final CellLayout layout, final ItemInfo info) { 153 // On the phone, we only want to fade the widget preview out 154 float[] position = new float[2]; 155 position[0] = layout.getWidth() / 2; 156 position[1] = layout.getHeight() / 2; 157 158 mLauncher.getWorkspace().mapPointFromChildToSelf(layout, position); 159 160 int dragViewWidth = dragView.getMeasuredWidth(); 161 int dragViewHeight = dragView.getMeasuredHeight(); 162 float heightOffset = 0; 163 float widthOffset = 0; 164 165 if (dragView instanceof ImageView) { 166 Drawable d = ((ImageView) dragView).getDrawable(); 167 int width = d.getIntrinsicWidth(); 168 int height = d.getIntrinsicHeight(); 169 170 if ((1.0 * width / height) >= (1.0f * dragViewWidth) / dragViewHeight) { 171 float f = (dragViewWidth / (width * 1.0f)); 172 heightOffset = ANIMATION_SCALE * (dragViewHeight - f * height) / 2; 173 } else { 174 float f = (dragViewHeight / (height * 1.0f)); 175 widthOffset = ANIMATION_SCALE * (dragViewWidth - f * width) / 2; 176 } 177 } 178 final float toX = position[0] - dragView.getMeasuredWidth() / 2 + widthOffset; 179 final float toY = position[1] - dragView.getMeasuredHeight() / 2 + heightOffset; 180 181 final DragLayer dragLayer = (DragLayer) mLauncher.findViewById(R.id.drag_layer); 182 final View dragCopy = dragLayer.createDragView(dragView); 183 dragCopy.setAlpha(1.0f); 184 185 // Translate the item to the center of the appropriate home screen 186 animateIntoPosition(dragCopy, toX, toY, null); 187 188 // The drop-onto-screen animation begins a bit later, but ends at the same time. 189 final int startDelay = TRANSLATE_ANIM_DURATION - DROP_ANIM_DURATION; 190 191 // Scale down the icon and fade out the alpha 192 animateDropOntoScreen(dragCopy, info, DROP_ANIM_DURATION, startDelay); 193 } 194 195 /** 196 * Animation which scales the view down and animates its alpha, making it appear to disappear 197 * onto a home screen. 198 */ 199 private void animateDropOntoScreen( 200 final View view, final ItemInfo info, int duration, int delay) { 201 final DragLayer dragLayer = (DragLayer) mLauncher.findViewById(R.id.drag_layer); 202 final CellLayout layout = mLauncher.getWorkspace().getCurrentDropLayout(); 203 204 ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(view, 205 PropertyValuesHolder.ofFloat("alpha", 1.0f, 0.0f), 206 PropertyValuesHolder.ofFloat("scaleX", ANIMATION_SCALE), 207 PropertyValuesHolder.ofFloat("scaleY", ANIMATION_SCALE)); 208 anim.setInterpolator(new LinearInterpolator()); 209 if (delay > 0) { 210 anim.setStartDelay(delay); 211 } 212 anim.setDuration(duration); 213 anim.addListener(new AnimatorListenerAdapter() { 214 public void onAnimationEnd(Animator animation) { 215 dragLayer.removeView(view); 216 mLauncher.addExternalItemToScreen(info, layout); 217 info.dropPos = null; 218 } 219 }); 220 anim.start(); 221 } 222 223 /** 224 * Animates the x,y position of the view, and optionally execute a Runnable on animation end. 225 */ 226 private void animateIntoPosition( 227 View view, float toX, float toY, final Runnable endRunnable) { 228 ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(view, 229 PropertyValuesHolder.ofFloat("x", toX), 230 PropertyValuesHolder.ofFloat("y", toY)); 231 anim.setInterpolator(new DecelerateInterpolator(2.5f)); 232 anim.setDuration(TRANSLATE_ANIM_DURATION); 233 if (endRunnable != null) { 234 anim.addListener(new AnimatorListenerAdapter() { 235 @Override 236 public void onAnimationEnd(Animator animation) { 237 endRunnable.run(); 238 } 239 }); 240 } 241 anim.start(); 242 } 243 244 @Override 245 public void onClick(View v) { 246 if (v instanceof PagedViewIcon) { 247 // Animate some feedback to the click 248 final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); 249 animateClickFeedback(v, new Runnable() { 250 @Override 251 public void run() { 252 mLauncher.startActivitySafely(appInfo.intent, appInfo); 253 } 254 }); 255 } else if (v instanceof PagedViewWidget) { 256 Workspace w = mLauncher.getWorkspace(); 257 int currentWorkspaceScreen = mLauncher.getCurrentWorkspaceScreen(); 258 final CellLayout cl = (CellLayout) w.getChildAt(currentWorkspaceScreen); 259 final View dragView = v.findViewById(R.id.widget_preview); 260 final ItemInfo itemInfo = (ItemInfo) v.getTag(); 261 animateClickFeedback(v, new Runnable() { 262 @Override 263 public void run() { 264 cl.calculateSpans(itemInfo); 265 if (cl.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY)) { 266 if (LauncherApplication.isScreenXLarge()) { 267 animateItemOntoScreen(dragView, cl, itemInfo); 268 } else { 269 mLauncher.addExternalItemToScreen(itemInfo, cl); 270 itemInfo.dropPos = null; 271 } 272 273 // Hide the pane so we can see the workspace we dropped on 274 mLauncher.showWorkspace(true); 275 } else { 276 mLauncher.showOutOfSpaceMessage(); 277 } 278 } 279 }); 280 } 281 } 282 283 /* 284 * PagedViewWithDraggableItems implementation 285 */ 286 @Override 287 protected void determineDraggingStart(android.view.MotionEvent ev) { 288 // Disable dragging by pulling an app down for now. 289 } 290 private void beginDraggingApplication(View v) { 291 // Make a copy of the ApplicationInfo 292 ApplicationInfo appInfo = new ApplicationInfo((ApplicationInfo) v.getTag()); 293 294 // Show the uninstall button if the app is uninstallable. 295 if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) { 296 DeleteZone allAppsDeleteZone = (DeleteZone) 297 mLauncher.findViewById(R.id.all_apps_delete_zone); 298 allAppsDeleteZone.setDragAndDropEnabled(true); 299 300 if ((appInfo.flags & ApplicationInfo.UPDATED_SYSTEM_APP_FLAG) != 0) { 301 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps_system_app); 302 } else { 303 allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps); 304 } 305 } 306 307 // Show the info button 308 ApplicationInfoDropTarget allAppsInfoButton = 309 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target); 310 allAppsInfoButton.setDragAndDropEnabled(true); 311 312 // Compose the drag image (top compound drawable, index is 1) 313 final TextView tv = (TextView) v; 314 final Drawable icon = tv.getCompoundDrawables()[1]; 315 Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(), 316 Bitmap.Config.ARGB_8888); 317 Canvas c = new Canvas(b); 318 c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop()); 319 icon.draw(c); 320 321 // Compose the visible rect of the drag image 322 Rect dragRect = null; 323 if (v instanceof TextView) { 324 int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size); 325 int top = v.getPaddingTop(); 326 int left = (b.getWidth() - iconSize) / 2; 327 int right = left + iconSize; 328 int bottom = top + iconSize; 329 dragRect = new Rect(left, top, right, bottom); 330 } 331 332 // Start the drag 333 mLauncher.lockScreenOrientation(); 334 mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b); 335 mDragController.startDrag(v, b, this, appInfo, DragController.DRAG_ACTION_COPY, dragRect); 336 b.recycle(); 337 } 338 private void beginDraggingWidget(View v) { 339 // Get the widget preview as the drag representation 340 ImageView image = (ImageView) v.findViewById(R.id.widget_preview); 341 PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) v.getTag(); 342 343 // Compose the drag image 344 Drawable preview = image.getDrawable(); 345 int w = preview.getIntrinsicWidth(); 346 int h = preview.getIntrinsicHeight(); 347 Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); 348 renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1); 349 350 // Start the drag 351 int[] spanXY = CellLayout.rectToCell(getResources(), 352 createWidgetInfo.minWidth, createWidgetInfo.minHeight, null); 353 createWidgetInfo.spanX = spanXY[0]; 354 createWidgetInfo.spanY = spanXY[1]; 355 mLauncher.lockScreenOrientation(); 356 mLauncher.getWorkspace().onDragStartedWithItemSpans(spanXY[0], spanXY[1], b); 357 mDragController.startDrag(image, b, this, createWidgetInfo, 358 DragController.DRAG_ACTION_COPY, null); 359 b.recycle(); 360 } 361 @Override 362 protected boolean beginDragging(View v) { 363 if (!super.beginDragging(v)) return false; 364 365 // Hide the pane so that the user can drop onto the workspace, we must do this first, 366 // due to how the drop target layout is computed when we start dragging to the workspace. 367 mLauncher.showWorkspace(true); 368 369 if (v instanceof PagedViewIcon) { 370 beginDraggingApplication(v); 371 } else if (v instanceof PagedViewWidget) { 372 beginDraggingWidget(v); 373 } 374 375 return true; 376 } 377 private void endDragging(boolean success) { 378 post(new Runnable() { 379 // Once the drag operation has fully completed, hence the post, we want to disable the 380 // deleteZone and the appInfoButton in all apps, and re-enable the instance which 381 // live in the workspace 382 public void run() { 383 // if onDestroy was called on Launcher, we might have already deleted the 384 // all apps delete zone / info button, so check if they are null 385 DeleteZone allAppsDeleteZone = 386 (DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone); 387 ApplicationInfoDropTarget allAppsInfoButton = 388 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target); 389 390 if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false); 391 if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false); 392 } 393 }); 394 mLauncher.getWorkspace().onDragStopped(success); 395 mLauncher.unlockScreenOrientation(); 396 } 397 398 /* 399 * DragSource implementation 400 */ 401 @Override 402 public void onDragViewVisible() {} 403 @Override 404 public void onDropCompleted(View target, Object dragInfo, boolean success) { 405 endDragging(success); 406 407 // Display an error message if the drag failed due to there not being enough space on the 408 // target layout we were dropping on. 409 if (!success) { 410 boolean showOutOfSpaceMessage = false; 411 if (target instanceof Workspace) { 412 int currentScreen = mLauncher.getCurrentWorkspaceScreen(); 413 Workspace workspace = (Workspace) target; 414 CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); 415 ItemInfo itemInfo = (ItemInfo) dragInfo; 416 if (layout != null) { 417 layout.calculateSpans(itemInfo); 418 showOutOfSpaceMessage = 419 !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); 420 } 421 } 422 // TODO-APPS_CUSTOMIZE: We need to handle this for folders as well later. 423 if (showOutOfSpaceMessage) { 424 mLauncher.showOutOfSpaceMessage(); 425 } 426 } 427 } 428 429 public void setContentType(ContentType type) { 430 mContentType = type; 431 setCurrentPage(0); 432 invalidatePageData(); 433 } 434 435 /* 436 * Apps PagedView implementation 437 */ 438 private void setupPage(PagedViewCellLayout layout) { 439 layout.setCellCount(mCellCountX, mCellCountY); 440 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 441 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 442 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 443 444 // We force a measure here to get around the fact that when we do layout calculations 445 // immediately after syncing, we don't have a proper width. 446 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 447 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 448 layout.measure(widthSpec, heightSpec); 449 } 450 public void syncAppsPages() { 451 // Ensure that we have the right number of pages 452 Context context = getContext(); 453 int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 454 for (int i = 0; i < numPages; ++i) { 455 PagedViewCellLayout layout = new PagedViewCellLayout(context); 456 setupPage(layout); 457 addView(layout); 458 } 459 } 460 public void syncAppsPageItems(int page) { 461 // ensure that we have the right number of items on the pages 462 int numPages = getPageCount(); 463 int numCells = mCellCountX * mCellCountY; 464 int startIndex = page * numCells; 465 int endIndex = Math.min(startIndex + numCells, mApps.size()); 466 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); 467 layout.removeAllViewsOnPage(); 468 for (int i = startIndex; i < endIndex; ++i) { 469 ApplicationInfo info = mApps.get(i); 470 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 471 R.layout.apps_customize_application, layout, false); 472 icon.applyFromApplicationInfo(info, mPageViewIconCache, true, (numPages > 1)); 473 icon.setOnClickListener(this); 474 icon.setOnLongClickListener(this); 475 icon.setOnTouchListener(this); 476 477 int index = i - startIndex; 478 int x = index % mCellCountX; 479 int y = index / mCellCountX; 480 setupPage(layout); 481 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 482 } 483 } 484 /* 485 * Widgets PagedView implementation 486 */ 487 private void setupPage(PagedViewExtendedLayout layout) { 488 layout.setGravity(Gravity.LEFT); 489 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 490 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 491 layout.setMinimumWidth(getPageContentWidth()); 492 } 493 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 494 float scaleX, float scaleY) { 495 Canvas c = new Canvas(); 496 if (bitmap != null) c.setBitmap(bitmap); 497 c.save(); 498 c.scale(scaleX, scaleY); 499 Rect oldBounds = d.copyBounds(); 500 d.setBounds(x, y, x + w, y + h); 501 d.draw(c); 502 d.setBounds(oldBounds); // Restore the bounds 503 c.restore(); 504 } 505 private FastBitmapDrawable getWidgetPreview(AppWidgetProviderInfo info, int cellHSpan, 506 int cellVSpan, int cellWidth, int cellHeight) { 507 // Calculate the size of the drawable 508 cellHSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellHSpan)); 509 cellVSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellVSpan)); 510 int expectedWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan); 511 int expectedHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan); 512 513 // Scale down the bitmap to fit the space 514 float widgetPreviewScale = (float) cellWidth / expectedWidth; 515 expectedWidth = (int) (widgetPreviewScale * expectedWidth); 516 expectedHeight = (int) (widgetPreviewScale * expectedHeight); 517 518 // Load the preview image if possible 519 String packageName = info.provider.getPackageName(); 520 Drawable drawable = null; 521 FastBitmapDrawable newDrawable = null; 522 if (info.previewImage != 0) { 523 drawable = mPackageManager.getDrawable(packageName, info.previewImage, null); 524 if (drawable == null) { 525 Log.w(LOG_TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) 526 + " for provider: " + info.provider); 527 } else { 528 // Scale down the preview to the dimensions we want 529 int imageWidth = drawable.getIntrinsicWidth(); 530 int imageHeight = drawable.getIntrinsicHeight(); 531 float aspect = (float) imageWidth / imageHeight; 532 int newWidth = imageWidth; 533 int newHeight = imageHeight; 534 if (aspect > 1f) { 535 newWidth = expectedWidth; 536 newHeight = (int) (imageHeight * ((float) expectedWidth / imageWidth)); 537 } else { 538 newHeight = expectedHeight; 539 newWidth = (int) (imageWidth * ((float) expectedHeight / imageHeight)); 540 } 541 542 Bitmap preview = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888); 543 renderDrawableToBitmap(drawable, preview, 0, 0, newWidth, newHeight, 1f, 1f); 544 newDrawable = new FastBitmapDrawable(preview); 545 newDrawable.setBounds(0, 0, newWidth, newHeight); 546 } 547 } 548 549 // Generate a preview image if we couldn't load one 550 if (drawable == null) { 551 // The icon itself takes up space, so update expected width/height to have min of 2 552 cellHSpan = Math.max(2, cellHSpan); 553 cellVSpan = Math.max(2, cellVSpan); 554 expectedWidth = (int) (widgetPreviewScale 555 * mWidgetSpacingLayout.estimateCellWidth(cellHSpan)); 556 expectedHeight = (int) (widgetPreviewScale 557 * mWidgetSpacingLayout.estimateCellHeight(cellVSpan)); 558 559 Bitmap preview = Bitmap.createBitmap(expectedWidth, expectedHeight, Config.ARGB_8888); 560 Resources resources = mLauncher.getResources(); 561 Drawable background = resources.getDrawable(R.drawable.default_widget_preview); 562 renderDrawableToBitmap(background, preview, 0, 0, expectedWidth, expectedHeight, 1f,1f); 563 564 // Draw the icon in the top left corner 565 try { 566 Drawable icon = null; 567 if (info.icon > 0) icon = mPackageManager.getDrawable(packageName, info.icon, null); 568 if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application); 569 570 int iconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 571 int offset = iconSize / 4; 572 renderDrawableToBitmap(icon, preview, offset, offset, iconSize, iconSize, 1f, 1f); 573 } catch (Resources.NotFoundException e) {} 574 575 newDrawable = new FastBitmapDrawable(preview); 576 newDrawable.setBounds(0, 0, expectedWidth, expectedHeight); 577 } 578 return newDrawable; 579 } 580 public void syncWidgetPages() { 581 // Ensure that we have the right number of pages 582 Context context = getContext(); 583 int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; 584 int numPages = (int) Math.ceil(mWidgets.size() / (float) numWidgetsPerPage); 585 for (int i = 0; i < numPages; ++i) { 586 PagedViewExtendedLayout layout = new PagedViewExtendedLayout(context); 587 setupPage(layout); 588 addView(layout); 589 } 590 } 591 public void syncWidgetPageItems(int page) { 592 Context context = getContext(); 593 PagedViewExtendedLayout layout = (PagedViewExtendedLayout) getChildAt(page); 594 layout.removeAllViews(); 595 596 // Calculate the dimensions of each cell we are giving to each widget 597 FrameLayout container = new FrameLayout(context); 598 int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; 599 int offset = page * numWidgetsPerPage; 600 int cellWidth = ((mWidgetSpacingLayout.getContentWidth() - mPageLayoutWidthGap 601 - ((mWidgetCountX - 1) * mWidgetCellWidthGap)) / mWidgetCountX); 602 int cellHeight = ((mWidgetSpacingLayout.getContentHeight() - mPageLayoutHeightGap 603 - ((mWidgetCountY - 1) * mWidgetCellHeightGap)) / mWidgetCountY); 604 for (int i = 0; i < Math.min(numWidgetsPerPage, mWidgets.size() - offset); ++i) { 605 AppWidgetProviderInfo info = (AppWidgetProviderInfo) mWidgets.get(offset + i); 606 PendingAddWidgetInfo createItemInfo = new PendingAddWidgetInfo(info, null, null); 607 final int[] cellSpans = CellLayout.rectToCell(getResources(), info.minWidth, 608 info.minHeight, null); 609 FastBitmapDrawable preview = getWidgetPreview(info, cellSpans[0], cellSpans[1], 610 cellWidth, cellHeight); 611 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 612 R.layout.apps_customize_widget, layout, false); 613 widget.applyFromAppWidgetProviderInfo(info, preview, -1, cellSpans, null, false); 614 widget.setTag(createItemInfo); 615 widget.setOnClickListener(this); 616 widget.setOnLongClickListener(this); 617 widget.setOnTouchListener(this); 618 619 // Layout each widget 620 FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(cellWidth, cellHeight); 621 int ix = i % mWidgetCountX; 622 int iy = i / mWidgetCountX; 623 lp.leftMargin = (ix * cellWidth) + (ix * mWidgetCellWidthGap); 624 lp.topMargin = (iy * cellHeight) + (iy * mWidgetCellHeightGap); 625 container.addView(widget, lp); 626 } 627 layout.addView(container, new LinearLayout.LayoutParams( 628 LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)); 629 } 630 @Override 631 public void syncPages() { 632 removeAllViews(); 633 switch (mContentType) { 634 case Applications: 635 syncAppsPages(); 636 break; 637 case Widgets: 638 syncWidgetPages(); 639 break; 640 } 641 } 642 @Override 643 public void syncPageItems(int page) { 644 switch (mContentType) { 645 case Applications: 646 syncAppsPageItems(page); 647 break; 648 case Widgets: 649 syncWidgetPageItems(page); 650 break; 651 } 652 } 653 654 /** 655 * Used by the parent to get the content width to set the tab bar to 656 * @return 657 */ 658 public int getPageContentWidth() { 659 return mContentWidth; 660 } 661 662 /* 663 * AllAppsView implementation 664 */ 665 @Override 666 public void setup(Launcher launcher, DragController dragController) { 667 mLauncher = launcher; 668 mDragController = dragController; 669 } 670 @Override 671 public void zoom(float zoom, boolean animate) { 672 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 673 } 674 @Override 675 public boolean isVisible() { 676 return (getVisibility() == VISIBLE); 677 } 678 @Override 679 public boolean isAnimating() { 680 return false; 681 } 682 @Override 683 public void setApps(ArrayList<ApplicationInfo> list) { 684 mApps = list; 685 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 686 invalidatePageData(); 687 } 688 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 689 // We add it in place, in alphabetical order 690 int count = list.size(); 691 for (int i = 0; i < count; ++i) { 692 ApplicationInfo info = list.get(i); 693 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 694 if (index < 0) { 695 mApps.add(-(index + 1), info); 696 } 697 } 698 } 699 @Override 700 public void addApps(ArrayList<ApplicationInfo> list) { 701 addAppsWithoutInvalidate(list); 702 invalidatePageData(); 703 } 704 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 705 ComponentName removeComponent = item.intent.getComponent(); 706 int length = list.size(); 707 for (int i = 0; i < length; ++i) { 708 ApplicationInfo info = list.get(i); 709 if (info.intent.getComponent().equals(removeComponent)) { 710 return i; 711 } 712 } 713 return -1; 714 } 715 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 716 // loop through all the apps and remove apps that have the same component 717 int length = list.size(); 718 for (int i = 0; i < length; ++i) { 719 ApplicationInfo info = list.get(i); 720 int removeIndex = findAppByComponent(mApps, info); 721 if (removeIndex > -1) { 722 mApps.remove(removeIndex); 723 mPageViewIconCache.removeOutline(new PagedViewIconCache.Key(info)); 724 } 725 } 726 } 727 @Override 728 public void removeApps(ArrayList<ApplicationInfo> list) { 729 removeAppsWithoutInvalidate(list); 730 invalidatePageData(); 731 } 732 @Override 733 public void updateApps(ArrayList<ApplicationInfo> list) { 734 // We remove and re-add the updated applications list because it's properties may have 735 // changed (ie. the title), and this will ensure that the items will be in their proper 736 // place in the list. 737 removeAppsWithoutInvalidate(list); 738 addAppsWithoutInvalidate(list); 739 invalidatePageData(); 740 } 741 @Override 742 public void reset() { 743 if (mContentType != ContentType.Applications) { 744 // Reset to the first page of the Apps pane 745 AppsCustomizeTabHost tabs = (AppsCustomizeTabHost) 746 mLauncher.findViewById(R.id.apps_customize_pane); 747 tabs.setCurrentTabByTag(tabs.getTabTagForContentType(ContentType.Applications)); 748 } else { 749 setCurrentPage(0); 750 invalidatePageData(); 751 } 752 } 753 @Override 754 public void dumpState() { 755 // TODO: Dump information related to current list of Applications, Widgets, etc. 756 ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps); 757 dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets); 758 } 759 private void dumpAppWidgetProviderInfoList(String tag, String label, 760 List<AppWidgetProviderInfo> list) { 761 Log.d(tag, label + " size=" + list.size()); 762 for (AppWidgetProviderInfo info: list) { 763 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 764 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 765 + " initialLayout=" + info.initialLayout 766 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 767 } 768 } 769 @Override 770 public void surrender() { 771 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 772 // should stop this now. 773 } 774} 775