AppsCustomizePagedView.java revision 4b576be59e58072cc03b5a8d36afb6a322513575
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 if (v instanceof PagedViewIcon) { 366 beginDraggingApplication(v); 367 } else if (v instanceof PagedViewWidget) { 368 beginDraggingWidget(v); 369 } 370 371 // Hide the pane so that the user can drop onto the workspace 372 mLauncher.showWorkspace(true); 373 return true; 374 } 375 private void endDragging(boolean success) { 376 post(new Runnable() { 377 // Once the drag operation has fully completed, hence the post, we want to disable the 378 // deleteZone and the appInfoButton in all apps, and re-enable the instance which 379 // live in the workspace 380 public void run() { 381 // if onDestroy was called on Launcher, we might have already deleted the 382 // all apps delete zone / info button, so check if they are null 383 DeleteZone allAppsDeleteZone = 384 (DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone); 385 ApplicationInfoDropTarget allAppsInfoButton = 386 (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target); 387 388 if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false); 389 if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false); 390 } 391 }); 392 mLauncher.getWorkspace().onDragStopped(success); 393 mLauncher.unlockScreenOrientation(); 394 } 395 396 /* 397 * DragSource implementation 398 */ 399 @Override 400 public void onDragViewVisible() {} 401 @Override 402 public void onDropCompleted(View target, Object dragInfo, boolean success) { 403 endDragging(success); 404 } 405 406 public void setContentType(ContentType type) { 407 mContentType = type; 408 setCurrentPage(0); 409 invalidatePageData(); 410 } 411 412 /* 413 * Apps PagedView implementation 414 */ 415 private void setupPage(PagedViewCellLayout layout) { 416 layout.setCellCount(mCellCountX, mCellCountY); 417 layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); 418 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 419 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 420 421 // We force a measure here to get around the fact that when we do layout calculations 422 // immediately after syncing, we don't have a proper width. 423 int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); 424 int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); 425 layout.measure(widthSpec, heightSpec); 426 } 427 public void syncAppsPages() { 428 // Ensure that we have the right number of pages 429 Context context = getContext(); 430 int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); 431 for (int i = 0; i < numPages; ++i) { 432 PagedViewCellLayout layout = new PagedViewCellLayout(context); 433 setupPage(layout); 434 addView(layout); 435 } 436 } 437 public void syncAppsPageItems(int page) { 438 // ensure that we have the right number of items on the pages 439 int numPages = getPageCount(); 440 int numCells = mCellCountX * mCellCountY; 441 int startIndex = page * numCells; 442 int endIndex = Math.min(startIndex + numCells, mApps.size()); 443 PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); 444 layout.removeAllViewsOnPage(); 445 for (int i = startIndex; i < endIndex; ++i) { 446 ApplicationInfo info = mApps.get(i); 447 PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( 448 R.layout.apps_customize_application, layout, false); 449 icon.applyFromApplicationInfo(info, mPageViewIconCache, true, (numPages > 1)); 450 icon.setOnClickListener(this); 451 icon.setOnLongClickListener(this); 452 icon.setOnTouchListener(this); 453 454 int index = i - startIndex; 455 int x = index % mCellCountX; 456 int y = index / mCellCountX; 457 setupPage(layout); 458 layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); 459 } 460 } 461 /* 462 * Widgets PagedView implementation 463 */ 464 private void setupPage(PagedViewExtendedLayout layout) { 465 layout.setGravity(Gravity.LEFT); 466 layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, 467 mPageLayoutPaddingRight, mPageLayoutPaddingBottom); 468 layout.setMinimumWidth(getPageContentWidth()); 469 } 470 private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, 471 float scaleX, float scaleY) { 472 Canvas c = new Canvas(); 473 if (bitmap != null) c.setBitmap(bitmap); 474 c.save(); 475 c.scale(scaleX, scaleY); 476 Rect oldBounds = d.copyBounds(); 477 d.setBounds(x, y, x + w, y + h); 478 d.draw(c); 479 d.setBounds(oldBounds); // Restore the bounds 480 c.restore(); 481 } 482 private FastBitmapDrawable getWidgetPreview(AppWidgetProviderInfo info, int cellHSpan, 483 int cellVSpan, int cellWidth, int cellHeight) { 484 // Calculate the size of the drawable 485 cellHSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellHSpan)); 486 cellVSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellVSpan)); 487 int expectedWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan); 488 int expectedHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan); 489 490 // Scale down the bitmap to fit the space 491 float widgetPreviewScale = (float) cellWidth / expectedWidth; 492 expectedWidth = (int) (widgetPreviewScale * expectedWidth); 493 expectedHeight = (int) (widgetPreviewScale * expectedHeight); 494 495 // Load the preview image if possible 496 String packageName = info.provider.getPackageName(); 497 Drawable drawable = null; 498 FastBitmapDrawable newDrawable = null; 499 if (info.previewImage != 0) { 500 drawable = mPackageManager.getDrawable(packageName, info.previewImage, null); 501 if (drawable == null) { 502 Log.w(LOG_TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) 503 + " for provider: " + info.provider); 504 } else { 505 // Scale down the preview to the dimensions we want 506 int imageWidth = drawable.getIntrinsicWidth(); 507 int imageHeight = drawable.getIntrinsicHeight(); 508 float aspect = (float) imageWidth / imageHeight; 509 int newWidth = imageWidth; 510 int newHeight = imageHeight; 511 if (aspect > 1f) { 512 newWidth = expectedWidth; 513 newHeight = (int) (imageHeight * ((float) expectedWidth / imageWidth)); 514 } else { 515 newHeight = expectedHeight; 516 newWidth = (int) (imageWidth * ((float) expectedHeight / imageHeight)); 517 } 518 519 Bitmap preview = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888); 520 renderDrawableToBitmap(drawable, preview, 0, 0, newWidth, newHeight, 1f, 1f); 521 newDrawable = new FastBitmapDrawable(preview); 522 newDrawable.setBounds(0, 0, newWidth, newHeight); 523 } 524 } 525 526 // Generate a preview image if we couldn't load one 527 if (drawable == null) { 528 // The icon itself takes up space, so update expected width/height to have min of 2 529 cellHSpan = Math.max(2, cellHSpan); 530 cellVSpan = Math.max(2, cellVSpan); 531 expectedWidth = (int) (widgetPreviewScale 532 * mWidgetSpacingLayout.estimateCellWidth(cellHSpan)); 533 expectedHeight = (int) (widgetPreviewScale 534 * mWidgetSpacingLayout.estimateCellHeight(cellVSpan)); 535 536 Bitmap preview = Bitmap.createBitmap(expectedWidth, expectedHeight, Config.ARGB_8888); 537 Resources resources = mLauncher.getResources(); 538 Drawable background = resources.getDrawable(R.drawable.default_widget_preview); 539 renderDrawableToBitmap(background, preview, 0, 0, expectedWidth, expectedHeight, 1f,1f); 540 541 // Draw the icon in the top left corner 542 try { 543 Drawable icon = null; 544 if (info.icon > 0) icon = mPackageManager.getDrawable(packageName, info.icon, null); 545 if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application); 546 547 int iconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); 548 int offset = iconSize / 4; 549 renderDrawableToBitmap(icon, preview, offset, offset, iconSize, iconSize, 1f, 1f); 550 } catch (Resources.NotFoundException e) {} 551 552 newDrawable = new FastBitmapDrawable(preview); 553 newDrawable.setBounds(0, 0, expectedWidth, expectedHeight); 554 } 555 return newDrawable; 556 } 557 public void syncWidgetPages() { 558 // Ensure that we have the right number of pages 559 Context context = getContext(); 560 int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; 561 int numPages = (int) Math.ceil(mWidgets.size() / (float) numWidgetsPerPage); 562 for (int i = 0; i < numPages; ++i) { 563 PagedViewExtendedLayout layout = new PagedViewExtendedLayout(context); 564 setupPage(layout); 565 addView(layout); 566 } 567 } 568 public void syncWidgetPageItems(int page) { 569 Context context = getContext(); 570 PagedViewExtendedLayout layout = (PagedViewExtendedLayout) getChildAt(page); 571 layout.removeAllViews(); 572 573 // Calculate the dimensions of each cell we are giving to each widget 574 FrameLayout container = new FrameLayout(context); 575 int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; 576 int offset = page * numWidgetsPerPage; 577 int cellWidth = ((mWidgetSpacingLayout.getContentWidth() - mPageLayoutWidthGap 578 - ((mWidgetCountX - 1) * mWidgetCellWidthGap)) / mWidgetCountX); 579 int cellHeight = ((mWidgetSpacingLayout.getContentHeight() - mPageLayoutHeightGap 580 - ((mWidgetCountY - 1) * mWidgetCellHeightGap)) / mWidgetCountY); 581 for (int i = 0; i < Math.min(numWidgetsPerPage, mWidgets.size() - offset); ++i) { 582 AppWidgetProviderInfo info = (AppWidgetProviderInfo) mWidgets.get(offset + i); 583 PendingAddWidgetInfo createItemInfo = new PendingAddWidgetInfo(info, null, null); 584 final int[] cellSpans = CellLayout.rectToCell(getResources(), info.minWidth, 585 info.minHeight, null); 586 FastBitmapDrawable preview = getWidgetPreview(info, cellSpans[0], cellSpans[1], 587 cellWidth, cellHeight); 588 PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( 589 R.layout.apps_customize_widget, layout, false); 590 widget.applyFromAppWidgetProviderInfo(info, preview, -1, cellSpans, null, false); 591 widget.setTag(createItemInfo); 592 widget.setOnClickListener(this); 593 widget.setOnLongClickListener(this); 594 widget.setOnTouchListener(this); 595 596 // Layout each widget 597 FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(cellWidth, cellHeight); 598 int ix = i % mWidgetCountX; 599 int iy = i / mWidgetCountX; 600 lp.leftMargin = (ix * cellWidth) + (ix * mWidgetCellWidthGap); 601 lp.topMargin = (iy * cellHeight) + (iy * mWidgetCellHeightGap); 602 container.addView(widget, lp); 603 } 604 layout.addView(container, new LinearLayout.LayoutParams( 605 LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)); 606 } 607 @Override 608 public void syncPages() { 609 removeAllViews(); 610 switch (mContentType) { 611 case Applications: 612 syncAppsPages(); 613 break; 614 case Widgets: 615 syncWidgetPages(); 616 break; 617 } 618 } 619 @Override 620 public void syncPageItems(int page) { 621 switch (mContentType) { 622 case Applications: 623 syncAppsPageItems(page); 624 break; 625 case Widgets: 626 syncWidgetPageItems(page); 627 break; 628 } 629 } 630 631 /** 632 * Used by the parent to get the content width to set the tab bar to 633 * @return 634 */ 635 public int getPageContentWidth() { 636 return mContentWidth; 637 } 638 639 /* 640 * AllAppsView implementation 641 */ 642 @Override 643 public void setup(Launcher launcher, DragController dragController) { 644 mLauncher = launcher; 645 mDragController = dragController; 646 } 647 @Override 648 public void zoom(float zoom, boolean animate) { 649 // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() 650 } 651 @Override 652 public boolean isVisible() { 653 return (getVisibility() == VISIBLE); 654 } 655 @Override 656 public boolean isAnimating() { 657 return false; 658 } 659 @Override 660 public void setApps(ArrayList<ApplicationInfo> list) { 661 mApps = list; 662 Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); 663 invalidatePageData(); 664 } 665 private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 666 // We add it in place, in alphabetical order 667 int count = list.size(); 668 for (int i = 0; i < count; ++i) { 669 ApplicationInfo info = list.get(i); 670 int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); 671 if (index < 0) { 672 mApps.add(-(index + 1), info); 673 } 674 } 675 } 676 @Override 677 public void addApps(ArrayList<ApplicationInfo> list) { 678 addAppsWithoutInvalidate(list); 679 invalidatePageData(); 680 } 681 private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { 682 ComponentName removeComponent = item.intent.getComponent(); 683 int length = list.size(); 684 for (int i = 0; i < length; ++i) { 685 ApplicationInfo info = list.get(i); 686 if (info.intent.getComponent().equals(removeComponent)) { 687 return i; 688 } 689 } 690 return -1; 691 } 692 private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { 693 // loop through all the apps and remove apps that have the same component 694 int length = list.size(); 695 for (int i = 0; i < length; ++i) { 696 ApplicationInfo info = list.get(i); 697 int removeIndex = findAppByComponent(mApps, info); 698 if (removeIndex > -1) { 699 mApps.remove(removeIndex); 700 mPageViewIconCache.removeOutline(new PagedViewIconCache.Key(info)); 701 } 702 } 703 } 704 @Override 705 public void removeApps(ArrayList<ApplicationInfo> list) { 706 removeAppsWithoutInvalidate(list); 707 invalidatePageData(); 708 } 709 @Override 710 public void updateApps(ArrayList<ApplicationInfo> list) { 711 // We remove and re-add the updated applications list because it's properties may have 712 // changed (ie. the title), and this will ensure that the items will be in their proper 713 // place in the list. 714 removeAppsWithoutInvalidate(list); 715 addAppsWithoutInvalidate(list); 716 invalidatePageData(); 717 } 718 @Override 719 public void reset() { 720 setCurrentPage(0); 721 invalidatePageData(); 722 } 723 @Override 724 public void dumpState() { 725 // TODO: Dump information related to current list of Applications, Widgets, etc. 726 ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps); 727 dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets); 728 } 729 private void dumpAppWidgetProviderInfoList(String tag, String label, 730 List<AppWidgetProviderInfo> list) { 731 Log.d(tag, label + " size=" + list.size()); 732 for (AppWidgetProviderInfo info: list) { 733 Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage 734 + " resizeMode=" + info.resizeMode + " configure=" + info.configure 735 + " initialLayout=" + info.initialLayout 736 + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); 737 } 738 } 739 @Override 740 public void surrender() { 741 // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we 742 // should stop this now. 743 } 744} 745