RenderSessionImpl.java revision d345f44a87de1088fcd19e021238852bbffbbaec
1/* 2 * Copyright (C) 2010 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.layoutlib.bridge.impl; 18 19import static com.android.ide.common.rendering.api.Result.Status.ERROR_ANIM_NOT_FOUND; 20import static com.android.ide.common.rendering.api.Result.Status.ERROR_INFLATION; 21import static com.android.ide.common.rendering.api.Result.Status.ERROR_NOT_INFLATED; 22import static com.android.ide.common.rendering.api.Result.Status.ERROR_UNKNOWN; 23import static com.android.ide.common.rendering.api.Result.Status.ERROR_VIEWGROUP_NO_CHILDREN; 24import static com.android.ide.common.rendering.api.Result.Status.SUCCESS; 25 26import com.android.annotations.NonNull; 27import com.android.annotations.Nullable; 28import com.android.ide.common.rendering.api.AdapterBinding; 29import com.android.ide.common.rendering.api.HardwareConfig; 30import com.android.ide.common.rendering.api.IAnimationListener; 31import com.android.ide.common.rendering.api.ILayoutPullParser; 32import com.android.ide.common.rendering.api.IProjectCallback; 33import com.android.ide.common.rendering.api.RenderResources; 34import com.android.ide.common.rendering.api.RenderSession; 35import com.android.ide.common.rendering.api.ResourceReference; 36import com.android.ide.common.rendering.api.ResourceValue; 37import com.android.ide.common.rendering.api.Result; 38import com.android.ide.common.rendering.api.Result.Status; 39import com.android.ide.common.rendering.api.SessionParams; 40import com.android.ide.common.rendering.api.SessionParams.RenderingMode; 41import com.android.ide.common.rendering.api.StyleResourceValue; 42import com.android.ide.common.rendering.api.ViewInfo; 43import com.android.ide.common.rendering.api.ViewType; 44import com.android.internal.util.XmlUtils; 45import com.android.internal.view.menu.ActionMenuItemView; 46import com.android.internal.view.menu.BridgeMenuItemImpl; 47import com.android.internal.view.menu.IconMenuItemView; 48import com.android.internal.view.menu.ListMenuItemView; 49import com.android.internal.view.menu.MenuItemImpl; 50import com.android.internal.view.menu.MenuView; 51import com.android.layoutlib.bridge.Bridge; 52import com.android.layoutlib.bridge.android.BridgeContext; 53import com.android.layoutlib.bridge.android.BridgeLayoutParamsMapAttributes; 54import com.android.layoutlib.bridge.android.BridgeXmlBlockParser; 55import com.android.layoutlib.bridge.android.SessionParamsFlags; 56import com.android.layoutlib.bridge.android.support.RecyclerViewUtil; 57import com.android.layoutlib.bridge.bars.BridgeActionBar; 58import com.android.layoutlib.bridge.bars.AppCompatActionBar; 59import com.android.layoutlib.bridge.bars.Config; 60import com.android.layoutlib.bridge.bars.NavigationBar; 61import com.android.layoutlib.bridge.bars.StatusBar; 62import com.android.layoutlib.bridge.bars.TitleBar; 63import com.android.layoutlib.bridge.bars.FrameworkActionBar; 64import com.android.layoutlib.bridge.impl.binding.FakeAdapter; 65import com.android.layoutlib.bridge.impl.binding.FakeExpandableAdapter; 66import com.android.resources.Density; 67import com.android.resources.ResourceType; 68import com.android.resources.ScreenOrientation; 69import com.android.util.Pair; 70 71import org.xmlpull.v1.XmlPullParserException; 72 73import android.animation.AnimationThread; 74import android.animation.Animator; 75import android.animation.AnimatorInflater; 76import android.animation.LayoutTransition; 77import android.animation.LayoutTransition.TransitionListener; 78import android.app.Fragment_Delegate; 79import android.graphics.Bitmap; 80import android.graphics.Bitmap_Delegate; 81import android.graphics.Canvas; 82import android.graphics.drawable.Drawable; 83import android.preference.Preference_Delegate; 84import android.util.DisplayMetrics; 85import android.util.TypedValue; 86import android.view.AttachInfo_Accessor; 87import android.view.BridgeInflater; 88import android.view.IWindowManager; 89import android.view.IWindowManagerImpl; 90import android.view.Surface; 91import android.view.View; 92import android.view.View.MeasureSpec; 93import android.view.ViewGroup; 94import android.view.ViewGroup.LayoutParams; 95import android.view.ViewGroup.MarginLayoutParams; 96import android.view.ViewParent; 97import android.view.WindowManagerGlobal_Delegate; 98import android.widget.AbsListView; 99import android.widget.AbsSpinner; 100import android.widget.ActionMenuView; 101import android.widget.AdapterView; 102import android.widget.ExpandableListView; 103import android.widget.FrameLayout; 104import android.widget.LinearLayout; 105import android.widget.ListView; 106import android.widget.QuickContactBadge; 107import android.widget.TabHost; 108import android.widget.TabHost.TabSpec; 109import android.widget.TabWidget; 110 111import java.awt.AlphaComposite; 112import java.awt.Color; 113import java.awt.Graphics2D; 114import java.awt.image.BufferedImage; 115import java.util.ArrayList; 116import java.util.List; 117import java.util.Map; 118 119/** 120 * Class implementing the render session. 121 * <p/> 122 * A session is a stateful representation of a layout file. It is initialized with data coming 123 * through the {@link Bridge} API to inflate the layout. Further actions and rendering can then 124 * be done on the layout. 125 */ 126public class RenderSessionImpl extends RenderAction<SessionParams> { 127 128 private static final int DEFAULT_TITLE_BAR_HEIGHT = 25; 129 private static final int DEFAULT_STATUS_BAR_HEIGHT = 25; 130 131 // scene state 132 private RenderSession mScene; 133 private BridgeXmlBlockParser mBlockParser; 134 private BridgeInflater mInflater; 135 private ResourceValue mWindowBackground; 136 private ViewGroup mViewRoot; 137 private FrameLayout mContentRoot; 138 private Canvas mCanvas; 139 private int mMeasuredScreenWidth = -1; 140 private int mMeasuredScreenHeight = -1; 141 private boolean mIsAlphaChannelImage; 142 private boolean mWindowIsFloating; 143 private Boolean mIsThemeAppCompat; 144 145 private int mStatusBarSize; 146 private int mNavigationBarSize; 147 private int mNavigationBarOrientation = LinearLayout.HORIZONTAL; 148 private int mTitleBarSize; 149 private int mActionBarSize; 150 151 152 // information being returned through the API 153 private BufferedImage mImage; 154 private List<ViewInfo> mViewInfoList; 155 private List<ViewInfo> mSystemViewInfoList; 156 157 private static final class PostInflateException extends Exception { 158 private static final long serialVersionUID = 1L; 159 160 public PostInflateException(String message) { 161 super(message); 162 } 163 } 164 165 /** 166 * Creates a layout scene with all the information coming from the layout bridge API. 167 * <p> 168 * This <b>must</b> be followed by a call to {@link RenderSessionImpl#init(long)}, 169 * which act as a 170 * call to {@link RenderSessionImpl#acquire(long)} 171 * 172 * @see Bridge#createSession(SessionParams) 173 */ 174 public RenderSessionImpl(SessionParams params) { 175 super(new SessionParams(params)); 176 } 177 178 /** 179 * Initializes and acquires the scene, creating various Android objects such as context, 180 * inflater, and parser. 181 * 182 * @param timeout the time to wait if another rendering is happening. 183 * 184 * @return whether the scene was prepared 185 * 186 * @see #acquire(long) 187 * @see #release() 188 */ 189 @Override 190 public Result init(long timeout) { 191 Result result = super.init(timeout); 192 if (!result.isSuccess()) { 193 return result; 194 } 195 196 SessionParams params = getParams(); 197 BridgeContext context = getContext(); 198 199 200 RenderResources resources = getParams().getResources(); 201 DisplayMetrics metrics = getContext().getMetrics(); 202 203 // use default of true in case it's not found to use alpha by default 204 mIsAlphaChannelImage = getBooleanThemeValue(resources, "windowIsFloating", true, true); 205 // FIXME: Find out why both variables are taking the same value. 206 mWindowIsFloating = getBooleanThemeValue(resources, "windowIsFloating", true, true); 207 208 findBackground(resources); 209 findStatusBar(resources, metrics); 210 findActionBar(resources, metrics); 211 findNavigationBar(resources, metrics); 212 213 // FIXME: find those out, and possibly add them to the render params 214 boolean hasNavigationBar = true; 215 //noinspection ConstantConditions 216 IWindowManager iwm = new IWindowManagerImpl(getContext().getConfiguration(), 217 metrics, Surface.ROTATION_0, 218 hasNavigationBar); 219 WindowManagerGlobal_Delegate.setWindowManagerService(iwm); 220 221 // build the inflater and parser. 222 mInflater = new BridgeInflater(context, params.getProjectCallback()); 223 context.setBridgeInflater(mInflater); 224 225 mBlockParser = new BridgeXmlBlockParser( 226 params.getLayoutDescription(), context, false /* platformResourceFlag */); 227 228 return SUCCESS.createResult(); 229 } 230 231 /** 232 * Inflates the layout. 233 * <p> 234 * {@link #acquire(long)} must have been called before this. 235 * 236 * @throws IllegalStateException if the current context is different than the one owned by 237 * the scene, or if {@link #init(long)} was not called. 238 */ 239 public Result inflate() { 240 checkLock(); 241 242 try { 243 244 SessionParams params = getParams(); 245 HardwareConfig hardwareConfig = params.getHardwareConfig(); 246 BridgeContext context = getContext(); 247 boolean isRtl = Bridge.isLocaleRtl(params.getLocale()); 248 int layoutDirection = isRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR; 249 250 // the view group that receives the window background. 251 ViewGroup backgroundView; 252 253 if (mWindowIsFloating || params.isForceNoDecor()) { 254 backgroundView = mViewRoot = mContentRoot = new FrameLayout(context); 255 mViewRoot.setLayoutDirection(layoutDirection); 256 } else { 257 int simulatedPlatformVersion = params.getSimulatedPlatformVersion(); 258 if (hasSoftwareButtons() && mNavigationBarOrientation == LinearLayout.VERTICAL) { 259 /* 260 * This is a special case where the navigation bar is on the right. 261 +-------------------------------------------------+---+ 262 | Status bar (always) | | 263 +-------------------------------------------------+ | 264 | (Layout with background drawable) | | 265 | +---------------------------------------------+ | | 266 | | Title/Action bar (optional) | | | 267 | +---------------------------------------------+ | | 268 | | Content, vertical extending | | | 269 | | | | | 270 | +---------------------------------------------+ | | 271 +-------------------------------------------------+---+ 272 273 So we create a horizontal layout, with the nav bar on the right, 274 and the left part is the normal layout below without the nav bar at 275 the bottom 276 */ 277 LinearLayout topLayout = new LinearLayout(context); 278 topLayout.setLayoutDirection(layoutDirection); 279 mViewRoot = topLayout; 280 topLayout.setOrientation(LinearLayout.HORIZONTAL); 281 282 if (Config.showOnScreenNavBar(simulatedPlatformVersion)) { 283 try { 284 NavigationBar navigationBar = createNavigationBar(context, 285 hardwareConfig.getDensity(), isRtl, params.isRtlSupported(), 286 simulatedPlatformVersion); 287 topLayout.addView(navigationBar); 288 } catch (XmlPullParserException ignored) { 289 } 290 } 291 } 292 293 /* 294 * we're creating the following layout 295 * 296 +-------------------------------------------------+ 297 | Status bar (always) | 298 +-------------------------------------------------+ 299 | (Layout with background drawable) | 300 | +---------------------------------------------+ | 301 | | Title/Action bar (optional) | | 302 | +---------------------------------------------+ | 303 | | Content, vertical extending | | 304 | | | | 305 | +---------------------------------------------+ | 306 +-------------------------------------------------+ 307 | Navigation bar for soft buttons, maybe see above| 308 +-------------------------------------------------+ 309 310 */ 311 312 LinearLayout topLayout = new LinearLayout(context); 313 topLayout.setOrientation(LinearLayout.VERTICAL); 314 topLayout.setLayoutDirection(layoutDirection); 315 // if we don't already have a view root this is it 316 if (mViewRoot == null) { 317 mViewRoot = topLayout; 318 } else { 319 int topLayoutWidth = 320 params.getHardwareConfig().getScreenWidth() - mNavigationBarSize; 321 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( 322 topLayoutWidth, LayoutParams.MATCH_PARENT); 323 topLayout.setLayoutParams(layoutParams); 324 325 // this is the case of soft buttons + vertical bar. 326 // this top layout is the first layout in the horizontal layout. see above) 327 if (isRtl && params.isRtlSupported()) { 328 // If RTL is enabled, layoutlib will mirror the layouts. So, add the 329 // topLayout to the right of Navigation Bar and layoutlib will draw it 330 // to the left. 331 mViewRoot.addView(topLayout); 332 } else { 333 // Add the top layout to the left of the Navigation Bar. 334 mViewRoot.addView(topLayout, 0); 335 } 336 } 337 338 if (mStatusBarSize > 0) { 339 // system bar 340 try { 341 StatusBar statusBar = createStatusBar(context, hardwareConfig.getDensity(), 342 layoutDirection, params.isRtlSupported(), 343 simulatedPlatformVersion); 344 topLayout.addView(statusBar); 345 } catch (XmlPullParserException ignored) { 346 347 } 348 } 349 350 LinearLayout backgroundLayout = new LinearLayout(context); 351 backgroundView = backgroundLayout; 352 backgroundLayout.setOrientation(LinearLayout.VERTICAL); 353 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( 354 LayoutParams.MATCH_PARENT, 0); 355 layoutParams.weight = 1; 356 backgroundLayout.setLayoutParams(layoutParams); 357 topLayout.addView(backgroundLayout); 358 359 360 // if the theme says no title/action bar, then the size will be 0 361 if (mActionBarSize > 0) { 362 BridgeActionBar actionBar = createActionBar(context, params, backgroundLayout); 363 actionBar.createMenuPopup(); 364 mContentRoot = actionBar.getContentRoot(); 365 } else if (mTitleBarSize > 0) { 366 try { 367 TitleBar titleBar = createTitleBar(context, 368 params.getAppLabel(), 369 simulatedPlatformVersion); 370 backgroundLayout.addView(titleBar); 371 } catch (XmlPullParserException ignored) { 372 373 } 374 } 375 376 // content frame 377 if (mContentRoot == null) { 378 mContentRoot = new FrameLayout(context); 379 layoutParams = new LinearLayout.LayoutParams( 380 LayoutParams.MATCH_PARENT, 0); 381 layoutParams.weight = 1; 382 mContentRoot.setLayoutParams(layoutParams); 383 backgroundLayout.addView(mContentRoot); 384 } 385 386 if (Config.showOnScreenNavBar(simulatedPlatformVersion) && 387 mNavigationBarOrientation == LinearLayout.HORIZONTAL && 388 mNavigationBarSize > 0) { 389 // system bar 390 try { 391 NavigationBar navigationBar = createNavigationBar(context, 392 hardwareConfig.getDensity(), isRtl, params.isRtlSupported(), 393 simulatedPlatformVersion); 394 topLayout.addView(navigationBar); 395 } catch (XmlPullParserException ignored) { 396 397 } 398 } 399 } 400 401 402 // Sets the project callback (custom view loader) to the fragment delegate so that 403 // it can instantiate the custom Fragment. 404 Fragment_Delegate.setProjectCallback(params.getProjectCallback()); 405 406 String rootTag = params.getFlag(SessionParamsFlags.FLAG_KEY_ROOT_TAG); 407 boolean isPreference = "PreferenceScreen".equals(rootTag); 408 View view; 409 if (isPreference) { 410 view = Preference_Delegate.inflatePreference(getContext(), mBlockParser, 411 mContentRoot); 412 } else { 413 view = mInflater.inflate(mBlockParser, mContentRoot); 414 } 415 416 // done with the parser, pop it. 417 context.popParser(); 418 419 Fragment_Delegate.setProjectCallback(null); 420 421 // set the AttachInfo on the root view. 422 AttachInfo_Accessor.setAttachInfo(mViewRoot); 423 424 // post-inflate process. For now this supports TabHost/TabWidget 425 postInflateProcess(view, params.getProjectCallback(), isPreference ? view : null); 426 427 // get the background drawable 428 if (mWindowBackground != null) { 429 Drawable d = ResourceHelper.getDrawable(mWindowBackground, context); 430 backgroundView.setBackground(d); 431 } 432 433 return SUCCESS.createResult(); 434 } catch (PostInflateException e) { 435 return ERROR_INFLATION.createResult(e.getMessage(), e); 436 } catch (Throwable e) { 437 // get the real cause of the exception. 438 Throwable t = e; 439 while (t.getCause() != null) { 440 t = t.getCause(); 441 } 442 443 return ERROR_INFLATION.createResult(t.getMessage(), t); 444 } 445 } 446 447 /** 448 * Renders the scene. 449 * <p> 450 * {@link #acquire(long)} must have been called before this. 451 * 452 * @param freshRender whether the render is a new one and should erase the existing bitmap (in 453 * the case where bitmaps are reused). This is typically needed when not playing 454 * animations.) 455 * 456 * @throws IllegalStateException if the current context is different than the one owned by 457 * the scene, or if {@link #acquire(long)} was not called. 458 * 459 * @see SessionParams#getRenderingMode() 460 * @see RenderSession#render(long) 461 */ 462 public Result render(boolean freshRender) { 463 checkLock(); 464 465 SessionParams params = getParams(); 466 467 try { 468 if (mViewRoot == null) { 469 return ERROR_NOT_INFLATED.createResult(); 470 } 471 472 RenderingMode renderingMode = params.getRenderingMode(); 473 HardwareConfig hardwareConfig = params.getHardwareConfig(); 474 475 // only do the screen measure when needed. 476 boolean newRenderSize = false; 477 if (mMeasuredScreenWidth == -1) { 478 newRenderSize = true; 479 mMeasuredScreenWidth = hardwareConfig.getScreenWidth(); 480 mMeasuredScreenHeight = hardwareConfig.getScreenHeight(); 481 482 if (renderingMode != RenderingMode.NORMAL) { 483 int widthMeasureSpecMode = renderingMode.isHorizExpand() ? 484 MeasureSpec.UNSPECIFIED // this lets us know the actual needed size 485 : MeasureSpec.EXACTLY; 486 int heightMeasureSpecMode = renderingMode.isVertExpand() ? 487 MeasureSpec.UNSPECIFIED // this lets us know the actual needed size 488 : MeasureSpec.EXACTLY; 489 490 // We used to compare the measured size of the content to the screen size but 491 // this does not work anymore due to the 2 following issues: 492 // - If the content is in a decor (system bar, title/action bar), the root view 493 // will not resize even with the UNSPECIFIED because of the embedded layout. 494 // - If there is no decor, but a dialog frame, then the dialog padding prevents 495 // comparing the size of the content to the screen frame (as it would not 496 // take into account the dialog padding). 497 498 // The solution is to first get the content size in a normal rendering, inside 499 // the decor or the dialog padding. 500 // Then measure only the content with UNSPECIFIED to see the size difference 501 // and apply this to the screen size. 502 503 // first measure the full layout, with EXACTLY to get the size of the 504 // content as it is inside the decor/dialog 505 @SuppressWarnings("deprecation") 506 Pair<Integer, Integer> exactMeasure = measureView( 507 mViewRoot, mContentRoot.getChildAt(0), 508 mMeasuredScreenWidth, MeasureSpec.EXACTLY, 509 mMeasuredScreenHeight, MeasureSpec.EXACTLY); 510 511 // now measure the content only using UNSPECIFIED (where applicable, based on 512 // the rendering mode). This will give us the size the content needs. 513 @SuppressWarnings("deprecation") 514 Pair<Integer, Integer> result = measureView( 515 mContentRoot, mContentRoot.getChildAt(0), 516 mMeasuredScreenWidth, widthMeasureSpecMode, 517 mMeasuredScreenHeight, heightMeasureSpecMode); 518 519 // now look at the difference and add what is needed. 520 if (renderingMode.isHorizExpand()) { 521 int measuredWidth = exactMeasure.getFirst(); 522 int neededWidth = result.getFirst(); 523 if (neededWidth > measuredWidth) { 524 mMeasuredScreenWidth += neededWidth - measuredWidth; 525 } 526 } 527 528 if (renderingMode.isVertExpand()) { 529 int measuredHeight = exactMeasure.getSecond(); 530 int neededHeight = result.getSecond(); 531 if (neededHeight > measuredHeight) { 532 mMeasuredScreenHeight += neededHeight - measuredHeight; 533 } 534 } 535 } 536 } 537 538 // measure again with the size we need 539 // This must always be done before the call to layout 540 measureView(mViewRoot, null /*measuredView*/, 541 mMeasuredScreenWidth, MeasureSpec.EXACTLY, 542 mMeasuredScreenHeight, MeasureSpec.EXACTLY); 543 544 // now do the layout. 545 mViewRoot.layout(0, 0, mMeasuredScreenWidth, mMeasuredScreenHeight); 546 547 if (params.isLayoutOnly()) { 548 // delete the canvas and image to reset them on the next full rendering 549 mImage = null; 550 mCanvas = null; 551 } else { 552 AttachInfo_Accessor.dispatchOnPreDraw(mViewRoot); 553 554 // draw the views 555 // create the BufferedImage into which the layout will be rendered. 556 boolean newImage = false; 557 if (newRenderSize || mCanvas == null) { 558 if (params.getImageFactory() != null) { 559 mImage = params.getImageFactory().getImage( 560 mMeasuredScreenWidth, 561 mMeasuredScreenHeight); 562 } else { 563 mImage = new BufferedImage( 564 mMeasuredScreenWidth, 565 mMeasuredScreenHeight, 566 BufferedImage.TYPE_INT_ARGB); 567 newImage = true; 568 } 569 570 if (params.isBgColorOverridden()) { 571 // since we override the content, it's the same as if it was a new image. 572 newImage = true; 573 Graphics2D gc = mImage.createGraphics(); 574 gc.setColor(new Color(params.getOverrideBgColor(), true)); 575 gc.setComposite(AlphaComposite.Src); 576 gc.fillRect(0, 0, mMeasuredScreenWidth, mMeasuredScreenHeight); 577 gc.dispose(); 578 } 579 580 // create an Android bitmap around the BufferedImage 581 Bitmap bitmap = Bitmap_Delegate.createBitmap(mImage, 582 true /*isMutable*/, hardwareConfig.getDensity()); 583 584 // create a Canvas around the Android bitmap 585 mCanvas = new Canvas(bitmap); 586 mCanvas.setDensity(hardwareConfig.getDensity().getDpiValue()); 587 } 588 589 if (freshRender && !newImage) { 590 Graphics2D gc = mImage.createGraphics(); 591 gc.setComposite(AlphaComposite.Src); 592 593 gc.setColor(new Color(0x00000000, true)); 594 gc.fillRect(0, 0, 595 mMeasuredScreenWidth, mMeasuredScreenHeight); 596 597 // done 598 gc.dispose(); 599 } 600 601 mViewRoot.draw(mCanvas); 602 } 603 604 mSystemViewInfoList = visitAllChildren(mViewRoot, 0, params.getExtendedViewInfoMode(), 605 false); 606 607 // success! 608 return SUCCESS.createResult(); 609 } catch (Throwable e) { 610 // get the real cause of the exception. 611 Throwable t = e; 612 while (t.getCause() != null) { 613 t = t.getCause(); 614 } 615 616 return ERROR_UNKNOWN.createResult(t.getMessage(), t); 617 } 618 } 619 620 /** 621 * Executes {@link View#measure(int, int)} on a given view with the given parameters (used 622 * to create measure specs with {@link MeasureSpec#makeMeasureSpec(int, int)}. 623 * 624 * if <var>measuredView</var> is non null, the method returns a {@link Pair} of (width, height) 625 * for the view (using {@link View#getMeasuredWidth()} and {@link View#getMeasuredHeight()}). 626 * 627 * @param viewToMeasure the view on which to execute measure(). 628 * @param measuredView if non null, the view to query for its measured width/height. 629 * @param width the width to use in the MeasureSpec. 630 * @param widthMode the MeasureSpec mode to use for the width. 631 * @param height the height to use in the MeasureSpec. 632 * @param heightMode the MeasureSpec mode to use for the height. 633 * @return the measured width/height if measuredView is non-null, null otherwise. 634 */ 635 @SuppressWarnings("deprecation") // For the use of Pair 636 private Pair<Integer, Integer> measureView(ViewGroup viewToMeasure, View measuredView, 637 int width, int widthMode, int height, int heightMode) { 638 int w_spec = MeasureSpec.makeMeasureSpec(width, widthMode); 639 int h_spec = MeasureSpec.makeMeasureSpec(height, heightMode); 640 viewToMeasure.measure(w_spec, h_spec); 641 642 if (measuredView != null) { 643 return Pair.of(measuredView.getMeasuredWidth(), measuredView.getMeasuredHeight()); 644 } 645 646 return null; 647 } 648 649 /** 650 * Animate an object 651 * <p> 652 * {@link #acquire(long)} must have been called before this. 653 * 654 * @throws IllegalStateException if the current context is different than the one owned by 655 * the scene, or if {@link #acquire(long)} was not called. 656 * 657 * @see RenderSession#animate(Object, String, boolean, IAnimationListener) 658 */ 659 public Result animate(Object targetObject, String animationName, 660 boolean isFrameworkAnimation, IAnimationListener listener) { 661 checkLock(); 662 663 BridgeContext context = getContext(); 664 665 // find the animation file. 666 ResourceValue animationResource; 667 int animationId = 0; 668 if (isFrameworkAnimation) { 669 animationResource = context.getRenderResources().getFrameworkResource( 670 ResourceType.ANIMATOR, animationName); 671 if (animationResource != null) { 672 animationId = Bridge.getResourceId(ResourceType.ANIMATOR, animationName); 673 } 674 } else { 675 animationResource = context.getRenderResources().getProjectResource( 676 ResourceType.ANIMATOR, animationName); 677 if (animationResource != null) { 678 animationId = context.getProjectCallback().getResourceId( 679 ResourceType.ANIMATOR, animationName); 680 } 681 } 682 683 if (animationResource != null) { 684 try { 685 Animator anim = AnimatorInflater.loadAnimator(context, animationId); 686 if (anim != null) { 687 anim.setTarget(targetObject); 688 689 new PlayAnimationThread(anim, this, animationName, listener).start(); 690 691 return SUCCESS.createResult(); 692 } 693 } catch (Exception e) { 694 // get the real cause of the exception. 695 Throwable t = e; 696 while (t.getCause() != null) { 697 t = t.getCause(); 698 } 699 700 return ERROR_UNKNOWN.createResult(t.getMessage(), t); 701 } 702 } 703 704 return ERROR_ANIM_NOT_FOUND.createResult(); 705 } 706 707 /** 708 * Insert a new child into an existing parent. 709 * <p> 710 * {@link #acquire(long)} must have been called before this. 711 * 712 * @throws IllegalStateException if the current context is different than the one owned by 713 * the scene, or if {@link #acquire(long)} was not called. 714 * 715 * @see RenderSession#insertChild(Object, ILayoutPullParser, int, IAnimationListener) 716 */ 717 public Result insertChild(final ViewGroup parentView, ILayoutPullParser childXml, 718 final int index, IAnimationListener listener) { 719 checkLock(); 720 721 BridgeContext context = getContext(); 722 723 // create a block parser for the XML 724 BridgeXmlBlockParser blockParser = new BridgeXmlBlockParser( 725 childXml, context, false /* platformResourceFlag */); 726 727 // inflate the child without adding it to the root since we want to control where it'll 728 // get added. We do pass the parentView however to ensure that the layoutParams will 729 // be created correctly. 730 final View child = mInflater.inflate(blockParser, parentView, false /*attachToRoot*/); 731 blockParser.ensurePopped(); 732 733 invalidateRenderingSize(); 734 735 if (listener != null) { 736 new AnimationThread(this, "insertChild", listener) { 737 738 @Override 739 public Result preAnimation() { 740 parentView.setLayoutTransition(new LayoutTransition()); 741 return addView(parentView, child, index); 742 } 743 744 @Override 745 public void postAnimation() { 746 parentView.setLayoutTransition(null); 747 } 748 }.start(); 749 750 // always return success since the real status will come through the listener. 751 return SUCCESS.createResult(child); 752 } 753 754 // add it to the parentView in the correct location 755 Result result = addView(parentView, child, index); 756 if (!result.isSuccess()) { 757 return result; 758 } 759 760 result = render(false /*freshRender*/); 761 if (result.isSuccess()) { 762 result = result.getCopyWithData(child); 763 } 764 765 return result; 766 } 767 768 /** 769 * Adds a given view to a given parent at a given index. 770 * 771 * @param parent the parent to receive the view 772 * @param view the view to add to the parent 773 * @param index the index where to do the add. 774 * 775 * @return a Result with {@link Status#SUCCESS} or 776 * {@link Status#ERROR_VIEWGROUP_NO_CHILDREN} if the given parent doesn't support 777 * adding views. 778 */ 779 private Result addView(ViewGroup parent, View view, int index) { 780 try { 781 parent.addView(view, index); 782 return SUCCESS.createResult(); 783 } catch (UnsupportedOperationException e) { 784 // looks like this is a view class that doesn't support children manipulation! 785 return ERROR_VIEWGROUP_NO_CHILDREN.createResult(); 786 } 787 } 788 789 /** 790 * Moves a view to a new parent at a given location 791 * <p> 792 * {@link #acquire(long)} must have been called before this. 793 * 794 * @throws IllegalStateException if the current context is different than the one owned by 795 * the scene, or if {@link #acquire(long)} was not called. 796 * 797 * @see RenderSession#moveChild(Object, Object, int, Map, IAnimationListener) 798 */ 799 public Result moveChild(final ViewGroup newParentView, final View childView, final int index, 800 Map<String, String> layoutParamsMap, final IAnimationListener listener) { 801 checkLock(); 802 803 invalidateRenderingSize(); 804 805 LayoutParams layoutParams = null; 806 if (layoutParamsMap != null) { 807 // need to create a new LayoutParams object for the new parent. 808 layoutParams = newParentView.generateLayoutParams( 809 new BridgeLayoutParamsMapAttributes(layoutParamsMap)); 810 } 811 812 // get the current parent of the view that needs to be moved. 813 final ViewGroup previousParent = (ViewGroup) childView.getParent(); 814 815 if (listener != null) { 816 final LayoutParams params = layoutParams; 817 818 // there is no support for animating views across layouts, so in case the new and old 819 // parent views are different we fake the animation through a no animation thread. 820 if (previousParent != newParentView) { 821 new Thread("not animated moveChild") { 822 @Override 823 public void run() { 824 Result result = moveView(previousParent, newParentView, childView, index, 825 params); 826 if (!result.isSuccess()) { 827 listener.done(result); 828 } 829 830 // ready to do the work, acquire the scene. 831 result = acquire(250); 832 if (!result.isSuccess()) { 833 listener.done(result); 834 return; 835 } 836 837 try { 838 result = render(false /*freshRender*/); 839 if (result.isSuccess()) { 840 listener.onNewFrame(RenderSessionImpl.this.getSession()); 841 } 842 } finally { 843 release(); 844 } 845 846 listener.done(result); 847 } 848 }.start(); 849 } else { 850 new AnimationThread(this, "moveChild", listener) { 851 852 @Override 853 public Result preAnimation() { 854 // set up the transition for the parent. 855 LayoutTransition transition = new LayoutTransition(); 856 previousParent.setLayoutTransition(transition); 857 858 // tweak the animation durations and start delays (to match the duration of 859 // animation playing just before). 860 // Note: Cannot user Animation.setDuration() directly. Have to set it 861 // on the LayoutTransition. 862 transition.setDuration(LayoutTransition.DISAPPEARING, 100); 863 // CHANGE_DISAPPEARING plays after DISAPPEARING 864 transition.setStartDelay(LayoutTransition.CHANGE_DISAPPEARING, 100); 865 866 transition.setDuration(LayoutTransition.CHANGE_DISAPPEARING, 100); 867 868 transition.setDuration(LayoutTransition.CHANGE_APPEARING, 100); 869 // CHANGE_APPEARING plays after CHANGE_APPEARING 870 transition.setStartDelay(LayoutTransition.APPEARING, 100); 871 872 transition.setDuration(LayoutTransition.APPEARING, 100); 873 874 return moveView(previousParent, newParentView, childView, index, params); 875 } 876 877 @Override 878 public void postAnimation() { 879 previousParent.setLayoutTransition(null); 880 newParentView.setLayoutTransition(null); 881 } 882 }.start(); 883 } 884 885 // always return success since the real status will come through the listener. 886 return SUCCESS.createResult(layoutParams); 887 } 888 889 Result result = moveView(previousParent, newParentView, childView, index, layoutParams); 890 if (!result.isSuccess()) { 891 return result; 892 } 893 894 result = render(false /*freshRender*/); 895 if (layoutParams != null && result.isSuccess()) { 896 result = result.getCopyWithData(layoutParams); 897 } 898 899 return result; 900 } 901 902 /** 903 * Moves a View from its current parent to a new given parent at a new given location, with 904 * an optional new {@link LayoutParams} instance 905 * 906 * @param previousParent the previous parent, still owning the child at the time of the call. 907 * @param newParent the new parent 908 * @param movedView the view to move 909 * @param index the new location in the new parent 910 * @param params an option (can be null) {@link LayoutParams} instance. 911 * 912 * @return a Result with {@link Status#SUCCESS} or 913 * {@link Status#ERROR_VIEWGROUP_NO_CHILDREN} if the given parent doesn't support 914 * adding views. 915 */ 916 private Result moveView(ViewGroup previousParent, final ViewGroup newParent, 917 final View movedView, final int index, final LayoutParams params) { 918 try { 919 // check if there is a transition on the previousParent. 920 LayoutTransition previousTransition = previousParent.getLayoutTransition(); 921 if (previousTransition != null) { 922 // in this case there is an animation. This means we have to wait for the child's 923 // parent reference to be null'ed out so that we can add it to the new parent. 924 // It is technically removed right before the DISAPPEARING animation is done (if 925 // the animation of this type is not null, otherwise it's after which is impossible 926 // to handle). 927 // Because there is no move animation, if the new parent is the same as the old 928 // parent, we need to wait until the CHANGE_DISAPPEARING animation is done before 929 // adding the child or the child will appear in its new location before the 930 // other children have made room for it. 931 932 // add a listener to the transition to be notified of the actual removal. 933 previousTransition.addTransitionListener(new TransitionListener() { 934 private int mChangeDisappearingCount = 0; 935 936 @Override 937 public void startTransition(LayoutTransition transition, ViewGroup container, 938 View view, int transitionType) { 939 if (transitionType == LayoutTransition.CHANGE_DISAPPEARING) { 940 mChangeDisappearingCount++; 941 } 942 } 943 944 @Override 945 public void endTransition(LayoutTransition transition, ViewGroup container, 946 View view, int transitionType) { 947 if (transitionType == LayoutTransition.CHANGE_DISAPPEARING) { 948 mChangeDisappearingCount--; 949 } 950 951 if (transitionType == LayoutTransition.CHANGE_DISAPPEARING && 952 mChangeDisappearingCount == 0) { 953 // add it to the parentView in the correct location 954 if (params != null) { 955 newParent.addView(movedView, index, params); 956 } else { 957 newParent.addView(movedView, index); 958 } 959 } 960 } 961 }); 962 963 // remove the view from the current parent. 964 previousParent.removeView(movedView); 965 966 // and return since adding the view to the new parent is done in the listener. 967 return SUCCESS.createResult(); 968 } else { 969 // standard code with no animation. pretty simple. 970 previousParent.removeView(movedView); 971 972 // add it to the parentView in the correct location 973 if (params != null) { 974 newParent.addView(movedView, index, params); 975 } else { 976 newParent.addView(movedView, index); 977 } 978 979 return SUCCESS.createResult(); 980 } 981 } catch (UnsupportedOperationException e) { 982 // looks like this is a view class that doesn't support children manipulation! 983 return ERROR_VIEWGROUP_NO_CHILDREN.createResult(); 984 } 985 } 986 987 /** 988 * Removes a child from its current parent. 989 * <p> 990 * {@link #acquire(long)} must have been called before this. 991 * 992 * @throws IllegalStateException if the current context is different than the one owned by 993 * the scene, or if {@link #acquire(long)} was not called. 994 * 995 * @see RenderSession#removeChild(Object, IAnimationListener) 996 */ 997 public Result removeChild(final View childView, IAnimationListener listener) { 998 checkLock(); 999 1000 invalidateRenderingSize(); 1001 1002 final ViewGroup parent = (ViewGroup) childView.getParent(); 1003 1004 if (listener != null) { 1005 new AnimationThread(this, "moveChild", listener) { 1006 1007 @Override 1008 public Result preAnimation() { 1009 parent.setLayoutTransition(new LayoutTransition()); 1010 return removeView(parent, childView); 1011 } 1012 1013 @Override 1014 public void postAnimation() { 1015 parent.setLayoutTransition(null); 1016 } 1017 }.start(); 1018 1019 // always return success since the real status will come through the listener. 1020 return SUCCESS.createResult(); 1021 } 1022 1023 Result result = removeView(parent, childView); 1024 if (!result.isSuccess()) { 1025 return result; 1026 } 1027 1028 return render(false /*freshRender*/); 1029 } 1030 1031 /** 1032 * Removes a given view from its current parent. 1033 * 1034 * @param view the view to remove from its parent 1035 * 1036 * @return a Result with {@link Status#SUCCESS} or 1037 * {@link Status#ERROR_VIEWGROUP_NO_CHILDREN} if the given parent doesn't support 1038 * adding views. 1039 */ 1040 private Result removeView(ViewGroup parent, View view) { 1041 try { 1042 parent.removeView(view); 1043 return SUCCESS.createResult(); 1044 } catch (UnsupportedOperationException e) { 1045 // looks like this is a view class that doesn't support children manipulation! 1046 return ERROR_VIEWGROUP_NO_CHILDREN.createResult(); 1047 } 1048 } 1049 1050 1051 private void findBackground(RenderResources resources) { 1052 if (!getParams().isBgColorOverridden()) { 1053 mWindowBackground = resources.findItemInTheme("windowBackground", 1054 true /*isFrameworkAttr*/); 1055 if (mWindowBackground != null) { 1056 mWindowBackground = resources.resolveResValue(mWindowBackground); 1057 } 1058 } 1059 } 1060 1061 private boolean hasSoftwareButtons() { 1062 return getParams().getHardwareConfig().hasSoftwareButtons(); 1063 } 1064 1065 private void findStatusBar(RenderResources resources, DisplayMetrics metrics) { 1066 boolean windowFullscreen = getBooleanThemeValue(resources, 1067 "windowFullscreen", false, !isThemeAppCompat(resources)); 1068 1069 if (!windowFullscreen && !mWindowIsFloating) { 1070 // default value 1071 mStatusBarSize = DEFAULT_STATUS_BAR_HEIGHT; 1072 1073 // get the real value 1074 ResourceValue value = resources.getFrameworkResource(ResourceType.DIMEN, 1075 "status_bar_height"); 1076 1077 if (value != null) { 1078 TypedValue typedValue = ResourceHelper.getValue("status_bar_height", 1079 value.getValue(), true /*requireUnit*/); 1080 if (typedValue != null) { 1081 // compute the pixel value based on the display metrics 1082 mStatusBarSize = (int)typedValue.getDimension(metrics); 1083 } 1084 } 1085 } 1086 } 1087 1088 private void findActionBar(RenderResources resources, DisplayMetrics metrics) { 1089 if (mWindowIsFloating) { 1090 return; 1091 } 1092 1093 boolean windowActionBar = getBooleanThemeValue(resources, 1094 "windowActionBar", true, !isThemeAppCompat(resources)); 1095 1096 // if there's a value and it's false (default is true) 1097 if (windowActionBar) { 1098 1099 // default size of the window title bar 1100 mActionBarSize = DEFAULT_TITLE_BAR_HEIGHT; 1101 1102 // get value from the theme. 1103 ResourceValue value = resources.findItemInTheme("actionBarSize", 1104 true /*isFrameworkAttr*/); 1105 1106 // resolve it 1107 value = resources.resolveResValue(value); 1108 1109 if (value != null) { 1110 // get the numerical value, if available 1111 TypedValue typedValue = ResourceHelper.getValue("actionBarSize", value.getValue(), 1112 true /*requireUnit*/); 1113 if (typedValue != null) { 1114 // compute the pixel value based on the display metrics 1115 mActionBarSize = (int)typedValue.getDimension(metrics); 1116 } 1117 } 1118 } else { 1119 // action bar overrides title bar so only look for this one if action bar is hidden 1120 boolean windowNoTitle = getBooleanThemeValue(resources, 1121 "windowNoTitle", false, !isThemeAppCompat(resources)); 1122 1123 if (!windowNoTitle) { 1124 1125 // default size of the window title bar 1126 mTitleBarSize = DEFAULT_TITLE_BAR_HEIGHT; 1127 1128 // get value from the theme. 1129 ResourceValue value = resources.findItemInTheme("windowTitleSize", 1130 true /*isFrameworkAttr*/); 1131 1132 // resolve it 1133 value = resources.resolveResValue(value); 1134 1135 if (value != null) { 1136 // get the numerical value, if available 1137 TypedValue typedValue = ResourceHelper.getValue("windowTitleSize", 1138 value.getValue(), true /*requireUnit*/); 1139 if (typedValue != null) { 1140 // compute the pixel value based on the display metrics 1141 mTitleBarSize = (int)typedValue.getDimension(metrics); 1142 } 1143 } 1144 } 1145 1146 } 1147 } 1148 1149 private void findNavigationBar(RenderResources resources, DisplayMetrics metrics) { 1150 if (hasSoftwareButtons() && !mWindowIsFloating) { 1151 1152 // default value 1153 mNavigationBarSize = 48; // ?? 1154 1155 HardwareConfig hardwareConfig = getParams().getHardwareConfig(); 1156 1157 boolean barOnBottom = true; 1158 1159 if (hardwareConfig.getOrientation() == ScreenOrientation.LANDSCAPE) { 1160 // compute the dp of the screen. 1161 int shortSize = hardwareConfig.getScreenHeight(); 1162 1163 // compute in dp 1164 int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / 1165 hardwareConfig.getDensity().getDpiValue(); 1166 1167 // 0-599dp: "phone" UI with bar on the side 1168 // 600+dp: "tablet" UI with bar on the bottom 1169 barOnBottom = shortSizeDp >= 600; 1170 } 1171 1172 if (barOnBottom) { 1173 mNavigationBarOrientation = LinearLayout.HORIZONTAL; 1174 } else { 1175 mNavigationBarOrientation = LinearLayout.VERTICAL; 1176 } 1177 1178 // get the real value 1179 ResourceValue value = resources.getFrameworkResource(ResourceType.DIMEN, 1180 barOnBottom ? "navigation_bar_height" : "navigation_bar_width"); 1181 1182 if (value != null) { 1183 TypedValue typedValue = ResourceHelper.getValue("navigation_bar_height", 1184 value.getValue(), true /*requireUnit*/); 1185 if (typedValue != null) { 1186 // compute the pixel value based on the display metrics 1187 mNavigationBarSize = (int)typedValue.getDimension(metrics); 1188 } 1189 } 1190 } 1191 } 1192 1193 private boolean isThemeAppCompat(RenderResources resources) { 1194 // Ideally, we should check if the corresponding activity extends 1195 // android.support.v7.app.ActionBarActivity, and not care about the theme name at all. 1196 if (mIsThemeAppCompat == null) { 1197 StyleResourceValue defaultTheme = resources.getDefaultTheme(); 1198 // We can't simply check for parent using resources.themeIsParentOf() since the 1199 // inheritance structure isn't really what one would expect. The first common parent 1200 // between Theme.AppCompat.Light and Theme.AppCompat is Theme.Material (for v21). 1201 boolean isThemeAppCompat = false; 1202 for (int i = 0; i < 50; i++) { 1203 // for loop ensures that we don't run into cyclic theme inheritance. 1204 if (defaultTheme.getName().startsWith("Theme.AppCompat")) { 1205 isThemeAppCompat = true; 1206 break; 1207 } 1208 defaultTheme = resources.getParent(defaultTheme); 1209 if (defaultTheme == null) { 1210 break; 1211 } 1212 } 1213 mIsThemeAppCompat = isThemeAppCompat; 1214 } 1215 return mIsThemeAppCompat; 1216 } 1217 1218 /** 1219 * Looks for an attribute in the current theme. 1220 * 1221 * @param resources the render resources 1222 * @param name the name of the attribute 1223 * @param defaultValue the default value. 1224 * @param isFrameworkAttr if the attribute is in android namespace 1225 * @return the value of the attribute or the default one if not found. 1226 */ 1227 private boolean getBooleanThemeValue(RenderResources resources, 1228 String name, boolean defaultValue, boolean isFrameworkAttr) { 1229 1230 ResourceValue value = resources.findItemInTheme(name, isFrameworkAttr); 1231 1232 // because it may reference something else, we resolve it. 1233 value = resources.resolveResValue(value); 1234 1235 // if there's no value, return the default. 1236 if (value == null || value.getValue() == null) { 1237 return defaultValue; 1238 } 1239 1240 return XmlUtils.convertValueToBoolean(value.getValue(), defaultValue); 1241 } 1242 1243 /** 1244 * Post process on a view hierarchy that was just inflated. 1245 * <p/> 1246 * At the moment this only supports TabHost: If {@link TabHost} is detected, look for the 1247 * {@link TabWidget}, and the corresponding {@link FrameLayout} and make new tabs automatically 1248 * based on the content of the {@link FrameLayout}. 1249 * @param view the root view to process. 1250 * @param projectCallback callback to the project. 1251 * @param skip the view and it's children are not processed. 1252 */ 1253 @SuppressWarnings("deprecation") // For the use of Pair 1254 private void postInflateProcess(View view, IProjectCallback projectCallback, View skip) 1255 throws PostInflateException { 1256 if (view == skip) { 1257 return; 1258 } 1259 if (view instanceof TabHost) { 1260 setupTabHost((TabHost) view, projectCallback); 1261 } else if (view instanceof QuickContactBadge) { 1262 QuickContactBadge badge = (QuickContactBadge) view; 1263 badge.setImageToDefault(); 1264 } else if (view instanceof AdapterView<?>) { 1265 // get the view ID. 1266 int id = view.getId(); 1267 1268 BridgeContext context = getContext(); 1269 1270 // get a ResourceReference from the integer ID. 1271 ResourceReference listRef = context.resolveId(id); 1272 1273 if (listRef != null) { 1274 SessionParams params = getParams(); 1275 AdapterBinding binding = params.getAdapterBindings().get(listRef); 1276 1277 // if there was no adapter binding, trying to get it from the call back. 1278 if (binding == null) { 1279 binding = params.getProjectCallback().getAdapterBinding(listRef, 1280 context.getViewKey(view), view); 1281 } 1282 1283 if (binding != null) { 1284 1285 if (view instanceof AbsListView) { 1286 if ((binding.getFooterCount() > 0 || binding.getHeaderCount() > 0) && 1287 view instanceof ListView) { 1288 ListView list = (ListView) view; 1289 1290 boolean skipCallbackParser = false; 1291 1292 int count = binding.getHeaderCount(); 1293 for (int i = 0; i < count; i++) { 1294 Pair<View, Boolean> pair = context.inflateView( 1295 binding.getHeaderAt(i), 1296 list, false /*attachToRoot*/, skipCallbackParser); 1297 if (pair.getFirst() != null) { 1298 list.addHeaderView(pair.getFirst()); 1299 } 1300 1301 skipCallbackParser |= pair.getSecond(); 1302 } 1303 1304 count = binding.getFooterCount(); 1305 for (int i = 0; i < count; i++) { 1306 Pair<View, Boolean> pair = context.inflateView( 1307 binding.getFooterAt(i), 1308 list, false /*attachToRoot*/, skipCallbackParser); 1309 if (pair.getFirst() != null) { 1310 list.addFooterView(pair.getFirst()); 1311 } 1312 1313 skipCallbackParser |= pair.getSecond(); 1314 } 1315 } 1316 1317 if (view instanceof ExpandableListView) { 1318 ((ExpandableListView) view).setAdapter( 1319 new FakeExpandableAdapter( 1320 listRef, binding, params.getProjectCallback())); 1321 } else { 1322 ((AbsListView) view).setAdapter( 1323 new FakeAdapter( 1324 listRef, binding, params.getProjectCallback())); 1325 } 1326 } else if (view instanceof AbsSpinner) { 1327 ((AbsSpinner) view).setAdapter( 1328 new FakeAdapter( 1329 listRef, binding, params.getProjectCallback())); 1330 } 1331 } 1332 } 1333 } else if (isInstanceOf(view, RecyclerViewUtil.CN_RECYCLER_VIEW)) { 1334 RecyclerViewUtil.setAdapter(view, getContext(), getParams()); 1335 } else if (view instanceof ViewGroup) { 1336 ViewGroup group = (ViewGroup) view; 1337 final int count = group.getChildCount(); 1338 for (int c = 0; c < count; c++) { 1339 View child = group.getChildAt(c); 1340 postInflateProcess(child, projectCallback, skip); 1341 } 1342 } 1343 } 1344 1345 /** 1346 * Check if the object is an instance of a class named {@code className}. This doesn't work 1347 * for interfaces. 1348 */ 1349 public static boolean isInstanceOf(Object object, String className) { 1350 Class superClass = object.getClass(); 1351 while (superClass != null) { 1352 String name = superClass.getName(); 1353 if (name.equals(className)) { 1354 return true; 1355 } 1356 superClass = superClass.getSuperclass(); 1357 } 1358 return false; 1359 } 1360 1361 /** 1362 * Sets up a {@link TabHost} object. 1363 * @param tabHost the TabHost to setup. 1364 * @param projectCallback The project callback object to access the project R class. 1365 * @throws PostInflateException 1366 */ 1367 private void setupTabHost(TabHost tabHost, IProjectCallback projectCallback) 1368 throws PostInflateException { 1369 // look for the TabWidget, and the FrameLayout. They have their own specific names 1370 View v = tabHost.findViewById(android.R.id.tabs); 1371 1372 if (v == null) { 1373 throw new PostInflateException( 1374 "TabHost requires a TabWidget with id \"android:id/tabs\".\n"); 1375 } 1376 1377 if (!(v instanceof TabWidget)) { 1378 throw new PostInflateException(String.format( 1379 "TabHost requires a TabWidget with id \"android:id/tabs\".\n" + 1380 "View found with id 'tabs' is '%s'", v.getClass().getCanonicalName())); 1381 } 1382 1383 v = tabHost.findViewById(android.R.id.tabcontent); 1384 1385 if (v == null) { 1386 // TODO: see if we can fake tabs even without the FrameLayout (same below when the frameLayout is empty) 1387 //noinspection SpellCheckingInspection 1388 throw new PostInflateException( 1389 "TabHost requires a FrameLayout with id \"android:id/tabcontent\"."); 1390 } 1391 1392 if (!(v instanceof FrameLayout)) { 1393 //noinspection SpellCheckingInspection 1394 throw new PostInflateException(String.format( 1395 "TabHost requires a FrameLayout with id \"android:id/tabcontent\".\n" + 1396 "View found with id 'tabcontent' is '%s'", v.getClass().getCanonicalName())); 1397 } 1398 1399 FrameLayout content = (FrameLayout)v; 1400 1401 // now process the content of the frameLayout and dynamically create tabs for it. 1402 final int count = content.getChildCount(); 1403 1404 // this must be called before addTab() so that the TabHost searches its TabWidget 1405 // and FrameLayout. 1406 tabHost.setup(); 1407 1408 if (count == 0) { 1409 // Create a dummy child to get a single tab 1410 TabSpec spec = tabHost.newTabSpec("tag").setIndicator("Tab Label", 1411 tabHost.getResources().getDrawable(android.R.drawable.ic_menu_info_details)) 1412 .setContent(new TabHost.TabContentFactory() { 1413 @Override 1414 public View createTabContent(String tag) { 1415 return new LinearLayout(getContext()); 1416 } 1417 }); 1418 tabHost.addTab(spec); 1419 } else { 1420 // for each child of the frameLayout, add a new TabSpec 1421 for (int i = 0 ; i < count ; i++) { 1422 View child = content.getChildAt(i); 1423 String tabSpec = String.format("tab_spec%d", i+1); 1424 @SuppressWarnings("ConstantConditions") // child cannot be null. 1425 int id = child.getId(); 1426 @SuppressWarnings("deprecation") 1427 Pair<ResourceType, String> resource = projectCallback.resolveResourceId(id); 1428 String name; 1429 if (resource != null) { 1430 name = resource.getSecond(); 1431 } else { 1432 name = String.format("Tab %d", i+1); // default name if id is unresolved. 1433 } 1434 tabHost.addTab(tabHost.newTabSpec(tabSpec).setIndicator(name).setContent(id)); 1435 } 1436 } 1437 } 1438 1439 /** 1440 * Visits a {@link View} and its children and generate a {@link ViewInfo} containing the 1441 * bounds of all the views. 1442 * 1443 * @param view the root View 1444 * @param offset an offset for the view bounds. 1445 * @param setExtendedInfo whether to set the extended view info in the {@link ViewInfo} object. 1446 * @param isContentFrame {@code true} if the {@code ViewInfo} to be created is part of the 1447 * content frame. 1448 * 1449 * @return {@code ViewInfo} containing the bounds of the view and it children otherwise. 1450 */ 1451 private ViewInfo visit(View view, int offset, boolean setExtendedInfo, 1452 boolean isContentFrame) { 1453 ViewInfo result = createViewInfo(view, offset, setExtendedInfo, isContentFrame); 1454 1455 if (view instanceof ViewGroup) { 1456 ViewGroup group = ((ViewGroup) view); 1457 result.setChildren(visitAllChildren(group, isContentFrame ? 0 : offset, 1458 setExtendedInfo, isContentFrame)); 1459 } 1460 return result; 1461 } 1462 1463 /** 1464 * Visits all the children of a given ViewGroup and generates a list of {@link ViewInfo} 1465 * containing the bounds of all the views. It also initializes the {@link #mViewInfoList} with 1466 * the children of the {@code mContentRoot}. 1467 * 1468 * @param viewGroup the root View 1469 * @param offset an offset from the top for the content view frame. 1470 * @param setExtendedInfo whether to set the extended view info in the {@link ViewInfo} object. 1471 * @param isContentFrame {@code true} if the {@code ViewInfo} to be created is part of the 1472 * content frame. {@code false} if the {@code ViewInfo} to be created is 1473 * part of the system decor. 1474 */ 1475 private List<ViewInfo> visitAllChildren(ViewGroup viewGroup, int offset, 1476 boolean setExtendedInfo, boolean isContentFrame) { 1477 if (viewGroup == null) { 1478 return null; 1479 } 1480 1481 if (!isContentFrame) { 1482 offset += viewGroup.getTop(); 1483 } 1484 1485 int childCount = viewGroup.getChildCount(); 1486 if (viewGroup == mContentRoot) { 1487 List<ViewInfo> childrenWithoutOffset = new ArrayList<ViewInfo>(childCount); 1488 List<ViewInfo> childrenWithOffset = new ArrayList<ViewInfo>(childCount); 1489 for (int i = 0; i < childCount; i++) { 1490 ViewInfo[] childViewInfo = visitContentRoot(viewGroup.getChildAt(i), offset, 1491 setExtendedInfo); 1492 childrenWithoutOffset.add(childViewInfo[0]); 1493 childrenWithOffset.add(childViewInfo[1]); 1494 } 1495 mViewInfoList = childrenWithOffset; 1496 return childrenWithoutOffset; 1497 } else { 1498 List<ViewInfo> children = new ArrayList<ViewInfo>(childCount); 1499 for (int i = 0; i < childCount; i++) { 1500 children.add(visit(viewGroup.getChildAt(i), offset, setExtendedInfo, 1501 isContentFrame)); 1502 } 1503 return children; 1504 } 1505 } 1506 1507 /** 1508 * Visits the children of {@link #mContentRoot} and generates {@link ViewInfo} containing the 1509 * bounds of all the views. It returns two {@code ViewInfo} objects with the same children, 1510 * one with the {@code offset} and other without the {@code offset}. The offset is needed to 1511 * get the right bounds if the {@code ViewInfo} hierarchy is accessed from 1512 * {@code mViewInfoList}. When the hierarchy is accessed via {@code mSystemViewInfoList}, the 1513 * offset is not needed. 1514 * 1515 * @return an array of length two, with ViewInfo at index 0 is without offset and ViewInfo at 1516 * index 1 is with the offset. 1517 */ 1518 @NonNull 1519 private ViewInfo[] visitContentRoot(View view, int offset, boolean setExtendedInfo) { 1520 ViewInfo[] result = new ViewInfo[2]; 1521 if (view == null) { 1522 return result; 1523 } 1524 1525 result[0] = createViewInfo(view, 0, setExtendedInfo, true); 1526 result[1] = createViewInfo(view, offset, setExtendedInfo, true); 1527 if (view instanceof ViewGroup) { 1528 List<ViewInfo> children = visitAllChildren((ViewGroup) view, 0, setExtendedInfo, true); 1529 result[0].setChildren(children); 1530 result[1].setChildren(children); 1531 } 1532 return result; 1533 } 1534 1535 /** 1536 * Creates a {@link ViewInfo} for the view. The {@code ViewInfo} corresponding to the children 1537 * of the {@code view} are not created. Consequently, the children of {@code ViewInfo} is not 1538 * set. 1539 * @param offset an offset for the view bounds. Used only if view is part of the content frame. 1540 */ 1541 private ViewInfo createViewInfo(View view, int offset, boolean setExtendedInfo, 1542 boolean isContentFrame) { 1543 if (view == null) { 1544 return null; 1545 } 1546 1547 ViewInfo result; 1548 if (isContentFrame) { 1549 // The view is part of the layout added by the user. Hence, 1550 // the ViewCookie may be obtained only through the Context. 1551 result = new ViewInfo(view.getClass().getName(), 1552 getContext().getViewKey(view), 1553 view.getLeft(), view.getTop() + offset, view.getRight(), 1554 view.getBottom() + offset, view, view.getLayoutParams()); 1555 } else { 1556 // We are part of the system decor. 1557 SystemViewInfo r = new SystemViewInfo(view.getClass().getName(), 1558 getViewKey(view), 1559 view.getLeft(), view.getTop(), view.getRight(), 1560 view.getBottom(), view, view.getLayoutParams()); 1561 result = r; 1562 // We currently mark three kinds of views: 1563 // 1. Menus in the Action Bar 1564 // 2. Menus in the Overflow popup. 1565 // 3. The overflow popup button. 1566 if (view instanceof ListMenuItemView) { 1567 // Mark 2. 1568 // All menus in the popup are of type ListMenuItemView. 1569 r.setViewType(ViewType.ACTION_BAR_OVERFLOW_MENU); 1570 } else { 1571 // Mark 3. 1572 ViewGroup.LayoutParams lp = view.getLayoutParams(); 1573 if (lp instanceof ActionMenuView.LayoutParams && 1574 ((ActionMenuView.LayoutParams) lp).isOverflowButton) { 1575 r.setViewType(ViewType.ACTION_BAR_OVERFLOW); 1576 } else { 1577 // Mark 1. 1578 // A view is a menu in the Action Bar is it is not the overflow button and of 1579 // its parent is of type ActionMenuView. We can also check if the view is 1580 // instanceof ActionMenuItemView but that will fail for menus using 1581 // actionProviderClass. 1582 ViewParent parent = view.getParent(); 1583 while (parent != mViewRoot && parent instanceof ViewGroup) { 1584 if (parent instanceof ActionMenuView) { 1585 r.setViewType(ViewType.ACTION_BAR_MENU); 1586 break; 1587 } 1588 parent = parent.getParent(); 1589 } 1590 } 1591 } 1592 } 1593 1594 if (setExtendedInfo) { 1595 MarginLayoutParams marginParams = null; 1596 LayoutParams params = view.getLayoutParams(); 1597 if (params instanceof MarginLayoutParams) { 1598 marginParams = (MarginLayoutParams) params; 1599 } 1600 result.setExtendedInfo(view.getBaseline(), 1601 marginParams != null ? marginParams.leftMargin : 0, 1602 marginParams != null ? marginParams.topMargin : 0, 1603 marginParams != null ? marginParams.rightMargin : 0, 1604 marginParams != null ? marginParams.bottomMargin : 0); 1605 } 1606 1607 return result; 1608 } 1609 1610 /* (non-Javadoc) 1611 * The cookie for menu items are stored in menu item and not in the map from View stored in 1612 * BridgeContext. 1613 */ 1614 @Nullable 1615 private Object getViewKey(View view) { 1616 BridgeContext context = getContext(); 1617 if (!(view instanceof MenuView.ItemView)) { 1618 return context.getViewKey(view); 1619 } 1620 MenuItemImpl menuItem; 1621 if (view instanceof ActionMenuItemView) { 1622 menuItem = ((ActionMenuItemView) view).getItemData(); 1623 } else if (view instanceof ListMenuItemView) { 1624 menuItem = ((ListMenuItemView) view).getItemData(); 1625 } else if (view instanceof IconMenuItemView) { 1626 menuItem = ((IconMenuItemView) view).getItemData(); 1627 } else { 1628 menuItem = null; 1629 } 1630 if (menuItem instanceof BridgeMenuItemImpl) { 1631 return ((BridgeMenuItemImpl) menuItem).getViewCookie(); 1632 } 1633 1634 return null; 1635 } 1636 1637 private void invalidateRenderingSize() { 1638 mMeasuredScreenWidth = mMeasuredScreenHeight = -1; 1639 } 1640 1641 /** 1642 * Creates the status bar with wifi and battery icons. 1643 */ 1644 private StatusBar createStatusBar(BridgeContext context, Density density, int direction, 1645 boolean isRtlSupported, int platformVersion) throws XmlPullParserException { 1646 StatusBar statusBar = new StatusBar(context, density, 1647 direction, isRtlSupported, platformVersion); 1648 statusBar.setLayoutParams( 1649 new LinearLayout.LayoutParams( 1650 LayoutParams.MATCH_PARENT, mStatusBarSize)); 1651 return statusBar; 1652 } 1653 1654 /** 1655 * Creates the navigation bar with back, home and recent buttons. 1656 * 1657 * @param isRtl true if the current locale is right-to-left 1658 * @param isRtlSupported true is the project manifest declares that the application 1659 * is RTL aware. 1660 */ 1661 private NavigationBar createNavigationBar(BridgeContext context, Density density, 1662 boolean isRtl, boolean isRtlSupported, int simulatedPlatformVersion) 1663 throws XmlPullParserException { 1664 NavigationBar navigationBar = new NavigationBar(context, 1665 density, mNavigationBarOrientation, isRtl, 1666 isRtlSupported, simulatedPlatformVersion); 1667 if (mNavigationBarOrientation == LinearLayout.VERTICAL) { 1668 navigationBar.setLayoutParams(new LinearLayout.LayoutParams(mNavigationBarSize, 1669 LayoutParams.MATCH_PARENT)); 1670 } else { 1671 navigationBar.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, 1672 mNavigationBarSize)); 1673 } 1674 return navigationBar; 1675 } 1676 1677 private TitleBar createTitleBar(BridgeContext context, String title, 1678 int simulatedPlatformVersion) 1679 throws XmlPullParserException { 1680 TitleBar titleBar = new TitleBar(context, title, simulatedPlatformVersion); 1681 titleBar.setLayoutParams( 1682 new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, mTitleBarSize)); 1683 return titleBar; 1684 } 1685 1686 /** 1687 * Creates the action bar. Also queries the project callback for missing information. 1688 */ 1689 private BridgeActionBar createActionBar(BridgeContext context, SessionParams params, 1690 ViewGroup parentView) { 1691 if (mIsThemeAppCompat == Boolean.TRUE) { 1692 return new AppCompatActionBar(context, params, parentView); 1693 } else { 1694 return new FrameworkActionBar(context, params, parentView); 1695 } 1696 } 1697 1698 public BufferedImage getImage() { 1699 return mImage; 1700 } 1701 1702 public boolean isAlphaChannelImage() { 1703 return mIsAlphaChannelImage; 1704 } 1705 1706 public List<ViewInfo> getViewInfos() { 1707 return mViewInfoList; 1708 } 1709 1710 public List<ViewInfo> getSystemViewInfos() { 1711 return mSystemViewInfoList; 1712 } 1713 1714 public Map<String, String> getDefaultProperties(Object viewObject) { 1715 return getContext().getDefaultPropMap(viewObject); 1716 } 1717 1718 public void setScene(RenderSession session) { 1719 mScene = session; 1720 } 1721 1722 public RenderSession getSession() { 1723 return mScene; 1724 } 1725} 1726