WebViewChromium.java revision adc6c4d74c77a617100bdfeb174ab0c314b24ea8
1/* 2 * Copyright (C) 2012 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.webview.chromium; 18 19import android.content.res.Configuration; 20import android.graphics.Bitmap; 21import android.graphics.Canvas; 22import android.graphics.Paint; 23import android.graphics.Picture; 24import android.graphics.Rect; 25import android.graphics.drawable.Drawable; 26import android.net.http.SslCertificate; 27import android.os.Build; 28import android.os.Bundle; 29import android.os.Message; 30import android.util.Log; 31import android.view.HardwareCanvas; 32import android.view.KeyEvent; 33import android.view.MotionEvent; 34import android.view.View; 35import android.view.View.MeasureSpec; 36import android.view.ViewGroup; 37import android.view.accessibility.AccessibilityEvent; 38import android.view.accessibility.AccessibilityNodeInfo; 39import android.view.inputmethod.EditorInfo; 40import android.view.inputmethod.InputConnection; 41import android.webkit.DownloadListener; 42import android.webkit.JavascriptInterface; 43import android.webkit.ValueCallback; 44import android.webkit.WebBackForwardList; 45import android.webkit.WebChromeClient; 46import android.webkit.WebSettings; 47import android.webkit.WebView; 48import android.webkit.WebViewClient; 49import android.webkit.WebViewProvider; 50 51import org.chromium.android_webview.AwContents; 52import org.chromium.android_webview.AwNativeWindow; 53import org.chromium.content.browser.ContentViewCore; 54import org.chromium.content.browser.LoadUrlParams; 55import org.chromium.net.NetworkChangeNotifier; 56 57import java.io.BufferedWriter; 58import java.io.File; 59import java.lang.annotation.Annotation; 60import java.util.Map; 61 62/** 63 * This class is the delegate to which WebViewProxy forwards all API calls. 64 * 65 * Most of the actual functionality is implemented by AwContents (or ContentViewCore within 66 * it). This class also contains WebView-specific APIs that require the creation of other 67 * adapters (otherwise org.chromium.content would depend on the webview.chromium package) 68 * and a small set of no-op deprecated APIs. 69 */ 70class WebViewChromium implements WebViewProvider, 71 WebViewProvider.ScrollDelegate, WebViewProvider.ViewDelegate { 72 73 private static final String TAG = WebViewChromium.class.getSimpleName(); 74 75 // The WebView that this WebViewChromium is the provider for. 76 WebView mWebView; 77 // Lets us access protected View-derived methods on the WebView instance we're backing. 78 WebView.PrivateAccess mWebViewPrivate; 79 // The client adapter class. 80 private WebViewContentsClientAdapter mContentsClientAdapter; 81 82 // Variables for functionality provided by this adapter --------------------------------------- 83 // WebSettings adapter, lazily initialized in the getter 84 private WebSettings mWebSettings; 85 // The WebView wrapper for ContentViewCore and required browser compontents. 86 private AwContents mAwContents; 87 // Non-null if this webview is using the GL accelerated draw path. 88 private DrawGLFunctor mGLfunctor; 89 90 private final WebView.HitTestResult mHitTestResult; 91 92 public WebViewChromium(WebView webView, WebView.PrivateAccess webViewPrivate) { 93 mWebView = webView; 94 mWebViewPrivate = webViewPrivate; 95 mHitTestResult = new WebView.HitTestResult(); 96 } 97 98 static void completeWindowCreation(WebView parent, WebView child) { 99 AwContents parentContents = ((WebViewChromium) parent.getWebViewProvider()).mAwContents; 100 AwContents childContents = ((WebViewChromium) child.getWebViewProvider()).mAwContents; 101 parentContents.supplyContentsForPopup(childContents); 102 } 103 104 // WebViewProvider methods -------------------------------------------------------------------- 105 106 @Override 107 public void init(Map<String, Object> javaScriptInterfaces, boolean privateBrowsing) { 108 // TODO: BUG=6790250 javaScriptInterfaces were only ever used by DumpRenderTree and should 109 // probably be implemented as a hidden hook in WebViewClassic. 110 111 final boolean isAccessFromFileURLsGrantedByDefault = 112 mWebView.getContext().getApplicationInfo().targetSdkVersion < 113 Build.VERSION_CODES.JELLY_BEAN; 114 mContentsClientAdapter = new WebViewContentsClientAdapter(mWebView); 115 mAwContents = new AwContents(mWebView, new InternalAccessAdapter(), mContentsClientAdapter, 116 new AwNativeWindow(mWebView.getContext()), privateBrowsing, 117 isAccessFromFileURLsGrantedByDefault); 118 } 119 120 @Override 121 public void setHorizontalScrollbarOverlay(boolean overlay) { 122 UnimplementedWebViewApi.invoke(); 123 } 124 125 @Override 126 public void setVerticalScrollbarOverlay(boolean overlay) { 127 UnimplementedWebViewApi.invoke(); 128 } 129 130 @Override 131 public boolean overlayHorizontalScrollbar() { 132 UnimplementedWebViewApi.invoke(); 133 return false; 134 } 135 136 @Override 137 public boolean overlayVerticalScrollbar() { 138 UnimplementedWebViewApi.invoke(); 139 return false; 140 } 141 142 @Override 143 public int getVisibleTitleHeight() { 144 // This is deprecated in WebView and should always return 0. 145 return 0; 146 } 147 148 @Override 149 public SslCertificate getCertificate() { 150 return mAwContents.getCertificate(); 151 } 152 153 @Override 154 public void setCertificate(SslCertificate certificate) { 155 UnimplementedWebViewApi.invoke(); 156 } 157 158 @Override 159 public void savePassword(String host, String username, String password) { 160 // This is a deprecated API: intentional no-op. 161 } 162 163 @Override 164 public void setHttpAuthUsernamePassword(String host, String realm, String username, 165 String password) { 166 mAwContents.setHttpAuthUsernamePassword(host, realm, username, password); 167 } 168 169 @Override 170 public String[] getHttpAuthUsernamePassword(String host, String realm) { 171 return mAwContents.getHttpAuthUsernamePassword(host, realm); 172 } 173 174 @Override 175 public void destroy() { 176 mAwContents.destroy(); 177 if (mGLfunctor != null) { 178 mGLfunctor.destroy(); 179 mGLfunctor = null; 180 } 181 } 182 183 @Override 184 public void setNetworkAvailable(boolean networkUp) { 185 NetworkChangeNotifier.forceConnectivityState(networkUp); 186 } 187 188 @Override 189 public WebBackForwardList saveState(Bundle outState) { 190 if (outState == null) return null; 191 if (!mAwContents.saveState(outState)) return null; 192 return copyBackForwardList(); 193 } 194 195 @Override 196 public boolean savePicture(Bundle b, File dest) { 197 UnimplementedWebViewApi.invoke(); 198 return false; 199 } 200 201 @Override 202 public boolean restorePicture(Bundle b, File src) { 203 UnimplementedWebViewApi.invoke(); 204 return false; 205 } 206 207 @Override 208 public WebBackForwardList restoreState(Bundle inState) { 209 if (inState == null) return null; 210 if (!mAwContents.restoreState(inState)) return null; 211 return copyBackForwardList(); 212 } 213 214 @Override 215 public void loadUrl(String url, Map<String, String> additionalHttpHeaders) { 216 // TODO: We may actually want to do some sanity checks here (like filter about://chrome). 217 LoadUrlParams params = new LoadUrlParams(url); 218 if (additionalHttpHeaders != null) params.setExtraHeaders(additionalHttpHeaders); 219 mAwContents.loadUrl(params); 220 } 221 222 @Override 223 public void loadUrl(String url) { 224 loadUrl(url, null); 225 } 226 227 @Override 228 public void postUrl(String url, byte[] postData) { 229 mAwContents.loadUrl(LoadUrlParams.createLoadHttpPostParams( 230 url, postData)); 231 } 232 233 private static boolean isBase64Encoded(String encoding) { 234 return "base64".equals(encoding); 235 } 236 237 @Override 238 public void loadData(String data, String mimeType, String encoding) { 239 mAwContents.loadUrl(LoadUrlParams.createLoadDataParams( 240 data, mimeType, isBase64Encoded(encoding))); 241 } 242 243 @Override 244 public void loadDataWithBaseURL(String baseUrl, String data, String mimeType, String encoding, 245 String historyUrl) { 246 if (baseUrl == null || baseUrl.length() == 0) baseUrl = "about:blank"; 247 boolean isBase64 = isBase64Encoded(encoding); 248 // For backwards compatibility with WebViewClassic, we use the value of |encoding| 249 // as the charset, as long as it's not "base64". 250 mAwContents.loadUrl(LoadUrlParams.createLoadDataParamsWithBaseUrl( 251 data, mimeType, isBase64, baseUrl, historyUrl, isBase64 ? null : encoding)); 252 } 253 254 @Override 255 public void saveWebArchive(String filename) { 256 saveWebArchive(filename, false, null); 257 } 258 259 @Override 260 public void saveWebArchive(String basename, boolean autoname, ValueCallback<String> callback) { 261 mAwContents.saveWebArchive(basename, autoname, callback); 262 } 263 264 @Override 265 public void stopLoading() { 266 mAwContents.getContentViewCore().stopLoading(); 267 } 268 269 @Override 270 public void reload() { 271 mAwContents.getContentViewCore().reload(); 272 } 273 274 @Override 275 public boolean canGoBack() { 276 return mAwContents.getContentViewCore().canGoBack(); 277 } 278 279 @Override 280 public void goBack() { 281 mAwContents.getContentViewCore().goBack(); 282 } 283 284 @Override 285 public boolean canGoForward() { 286 return mAwContents.getContentViewCore().canGoForward(); 287 } 288 289 @Override 290 public void goForward() { 291 mAwContents.getContentViewCore().goForward(); 292 } 293 294 @Override 295 public boolean canGoBackOrForward(int steps) { 296 return mAwContents.getContentViewCore().canGoToOffset(steps); 297 } 298 299 @Override 300 public void goBackOrForward(int steps) { 301 mAwContents.getContentViewCore().goToOffset(steps); 302 } 303 304 @Override 305 public boolean isPrivateBrowsingEnabled() { 306 // Not supported in this WebView implementation. 307 return false; 308 } 309 310 @Override 311 public boolean pageUp(boolean top) { 312 return mAwContents.getContentViewCore().pageUp(top); 313 } 314 315 @Override 316 public boolean pageDown(boolean bottom) { 317 return mAwContents.getContentViewCore().pageDown(bottom); 318 } 319 320 @Override 321 public void clearView() { 322 UnimplementedWebViewApi.invoke(); 323 } 324 325 @Override 326 public Picture capturePicture() { 327 UnimplementedWebViewApi.invoke(); 328 return null; 329 } 330 331 @Override 332 public float getScale() { 333 return mAwContents.getContentViewCore().getScale(); 334 } 335 336 @Override 337 public void setInitialScale(int scaleInPercent) { 338 UnimplementedWebViewApi.invoke(); 339 } 340 341 @Override 342 public void invokeZoomPicker() { 343 mAwContents.getContentViewCore().invokeZoomPicker(); 344 } 345 346 @Override 347 public WebView.HitTestResult getHitTestResult() { 348 AwContents.HitTestData data = mAwContents.getLastHitTestResult(); 349 mHitTestResult.setType(data.hitTestResultType); 350 mHitTestResult.setExtra(data.hitTestResultExtraData); 351 return mHitTestResult; 352 } 353 354 @Override 355 public void requestFocusNodeHref(Message hrefMsg) { 356 mAwContents.requestFocusNodeHref(hrefMsg); 357 } 358 359 @Override 360 public void requestImageRef(Message msg) { 361 mAwContents.requestImageRef(msg); 362 } 363 364 @Override 365 public String getUrl() { 366 String url = mAwContents.getContentViewCore().getUrl(); 367 if (url == null || url.trim().isEmpty()) return null; 368 return url; 369 } 370 371 @Override 372 public String getOriginalUrl() { 373 String url = mAwContents.getOriginalUrl(); 374 if (url == null || url.trim().isEmpty()) return null; 375 return url; 376 } 377 378 @Override 379 public String getTitle() { 380 return mAwContents.getContentViewCore().getTitle(); 381 } 382 383 @Override 384 public Bitmap getFavicon() { 385 UnimplementedWebViewApi.invoke(); 386 return null; 387 } 388 389 @Override 390 public String getTouchIconUrl() { 391 UnimplementedWebViewApi.invoke(); 392 return null; 393 } 394 395 @Override 396 public int getProgress() { 397 return mAwContents.getMostRecentProgress(); 398 } 399 400 @Override 401 public int getContentHeight() { 402 return mAwContents.getContentViewCore().getContentHeight(); 403 } 404 405 @Override 406 public int getContentWidth() { 407 return mAwContents.getContentViewCore().getContentWidth(); 408 } 409 410 @Override 411 public void pauseTimers() { 412 mAwContents.pauseTimers(); 413 } 414 415 @Override 416 public void resumeTimers() { 417 mAwContents.resumeTimers(); 418 } 419 420 @Override 421 public void onPause() { 422 mAwContents.onPause(); 423 } 424 425 @Override 426 public void onResume() { 427 mAwContents.onResume(); 428 } 429 430 @Override 431 public boolean isPaused() { 432 return mAwContents.isPaused(); 433 } 434 435 @Override 436 public void freeMemory() { 437 UnimplementedWebViewApi.invoke(); 438 } 439 440 @Override 441 public void clearCache(boolean includeDiskFiles) { 442 mAwContents.clearCache(includeDiskFiles); 443 } 444 445 @Override 446 public void clearFormData() { 447 UnimplementedWebViewApi.invoke(); 448 } 449 450 @Override 451 public void clearHistory() { 452 mAwContents.getContentViewCore().clearHistory(); 453 } 454 455 @Override 456 public void clearSslPreferences() { 457 mAwContents.getContentViewCore().clearSslPreferences(); 458 } 459 460 @Override 461 public WebBackForwardList copyBackForwardList() { 462 return new WebBackForwardListChromium( 463 mAwContents.getContentViewCore().getNavigationHistory()); 464 } 465 466 @Override 467 public void setFindListener(WebView.FindListener listener) { 468 mContentsClientAdapter.setFindListener(listener); 469 } 470 471 @Override 472 public void findNext(boolean forwards) { 473 mAwContents.findNext(forwards); 474 } 475 476 @Override 477 public int findAll(String searchString) { 478 return mAwContents.findAllSync(searchString); 479 } 480 481 @Override 482 public void findAllAsync(String searchString) { 483 mAwContents.findAllAsync(searchString); 484 } 485 486 @Override 487 public boolean showFindDialog(String text, boolean showIme) { 488 UnimplementedWebViewApi.invoke(); 489 return false; 490 } 491 492 @Override 493 public void clearMatches() { 494 mAwContents.clearMatches(); 495 } 496 497 @Override 498 public void documentHasImages(Message response) { 499 mAwContents.documentHasImages(response); 500 } 501 502 @Override 503 public void setWebViewClient(WebViewClient client) { 504 mContentsClientAdapter.setWebViewClient(client); 505 } 506 507 @Override 508 public void setDownloadListener(DownloadListener listener) { 509 mContentsClientAdapter.setDownloadListener(listener); 510 } 511 512 @Override 513 public void setWebChromeClient(WebChromeClient client) { 514 mContentsClientAdapter.setWebChromeClient(client); 515 } 516 517 @Override 518 public void setPictureListener(WebView.PictureListener listener) { 519 mContentsClientAdapter.setPictureListener(listener); 520 } 521 522 @Override 523 public void addJavascriptInterface(Object obj, String interfaceName) { 524 Class<? extends Annotation> requiredAnnotation = null; 525 if (mWebView.getContext().getApplicationInfo().targetSdkVersion >= 526 Build.VERSION_CODES.JELLY_BEAN_MR1) { 527 requiredAnnotation = JavascriptInterface.class; 528 } 529 mAwContents.getContentViewCore().addPossiblyUnsafeJavascriptInterface(obj, interfaceName, 530 requiredAnnotation); 531 } 532 533 @Override 534 public void removeJavascriptInterface(String interfaceName) { 535 mAwContents.getContentViewCore().removeJavascriptInterface(interfaceName); 536 } 537 538 @Override 539 public WebSettings getSettings() { 540 if (mWebSettings == null) { 541 mWebSettings = new ContentSettingsAdapter( 542 mAwContents.getContentViewCore().getContentSettings(), 543 mAwContents.getSettings()); 544 } 545 return mWebSettings; 546 } 547 548 @Override 549 public void setMapTrackballToArrowKeys(boolean setMap) { 550 // This is a deprecated API: intentional no-op. 551 } 552 553 @Override 554 public void flingScroll(int vx, int vy) { 555 mAwContents.getContentViewCore().flingScroll(vx, vy); 556 } 557 558 @Override 559 public View getZoomControls() { 560 // This was deprecated in 2009 and hidden in JB MR1, so just provide the minimum needed 561 // to stop very out-dated applications from crashing. 562 Log.w(TAG, "WebView doesn't support getZoomControls"); 563 return mAwContents.getContentViewCore().getContentSettings().supportZoom() ? 564 new View(mWebView.getContext()) : null; 565 } 566 567 @Override 568 public boolean canZoomIn() { 569 return mAwContents.getContentViewCore().canZoomIn(); 570 } 571 572 @Override 573 public boolean canZoomOut() { 574 return mAwContents.getContentViewCore().canZoomOut(); 575 } 576 577 @Override 578 public boolean zoomIn() { 579 return mAwContents.getContentViewCore().zoomIn(); 580 } 581 582 @Override 583 public boolean zoomOut() { 584 return mAwContents.getContentViewCore().zoomOut(); 585 } 586 587 @Override 588 public void dumpViewHierarchyWithProperties(BufferedWriter out, int level) { 589 UnimplementedWebViewApi.invoke(); 590 } 591 592 @Override 593 public View findHierarchyView(String className, int hashCode) { 594 UnimplementedWebViewApi.invoke(); 595 return null; 596 } 597 598 // WebViewProvider glue methods --------------------------------------------------------------- 599 600 @Override 601 public WebViewProvider.ViewDelegate getViewDelegate() { 602 return this; 603 } 604 605 @Override 606 public WebViewProvider.ScrollDelegate getScrollDelegate() { 607 return this; 608 } 609 610 611 // WebViewProvider.ViewDelegate implementation ------------------------------------------------ 612 613 @Override 614 public boolean shouldDelayChildPressedState() { 615 UnimplementedWebViewApi.invoke(); 616 return false; 617 } 618 619 @Override 620 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 621 mAwContents.getContentViewCore().onInitializeAccessibilityNodeInfo(info); 622 } 623 624 @Override 625 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 626 mAwContents.getContentViewCore().onInitializeAccessibilityEvent(event); 627 } 628 629 // TODO: Update WebView to mimic ContentView implementation for the 630 // real View#performAccessibilityAction(int, Bundle). This method has different behavior. 631 // See ContentViewCore#performAccessibilityAction(int, Bundle) for more details. 632 @Override 633 public boolean performAccessibilityAction(int action, Bundle arguments) { 634 return mAwContents.getContentViewCore().performAccessibilityAction(action, arguments); 635 } 636 637 @Override 638 public void setOverScrollMode(int mode) { 639 UnimplementedWebViewApi.invoke(); 640 } 641 642 @Override 643 public void setScrollBarStyle(int style) { 644 UnimplementedWebViewApi.invoke(); 645 } 646 647 @Override 648 public void onDrawVerticalScrollBar(Canvas canvas, Drawable scrollBar, 649 int l, int t, int r, int b) { 650 UnimplementedWebViewApi.invoke(); 651 } 652 653 @Override 654 public void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { 655 UnimplementedWebViewApi.invoke(); 656 } 657 658 @Override 659 public void onWindowVisibilityChanged(int visibility) { 660 mAwContents.onWindowVisibilityChanged(visibility); 661 } 662 663 @Override 664 public void onDraw(Canvas canvas) { 665 if (canvas.isHardwareAccelerated() && mAwContents.onPrepareDrawGL(canvas)) { 666 if (mGLfunctor == null) { 667 mGLfunctor = new DrawGLFunctor(mAwContents.getAwDrawGLViewContext()); 668 } 669 mGLfunctor.requestDrawGL((HardwareCanvas) canvas, mWebView.getViewRootImpl()); 670 } else { 671 mAwContents.onDraw(canvas); 672 } 673 } 674 675 @Override 676 public void setLayoutParams(ViewGroup.LayoutParams layoutParams) { 677 // TODO: This is the minimum implementation for HTMLViewer 678 // bringup. Likely will need to go up to ContentViewCore for 679 // a complete implementation. 680 mWebViewPrivate.super_setLayoutParams(layoutParams); 681 } 682 683 @Override 684 public boolean performLongClick() { 685 return mWebViewPrivate.super_performLongClick(); 686 } 687 688 @Override 689 public void onConfigurationChanged(Configuration newConfig) { 690 mAwContents.onConfigurationChanged(newConfig); 691 } 692 693 @Override 694 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 695 return mAwContents.getContentViewCore().onCreateInputConnection(outAttrs); 696 } 697 698 @Override 699 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 700 UnimplementedWebViewApi.invoke(); 701 return false; 702 } 703 704 @Override 705 public boolean onKeyDown(int keyCode, KeyEvent event) { 706 UnimplementedWebViewApi.invoke(); 707 return false; 708 } 709 710 @Override 711 public boolean onKeyUp(int keyCode, KeyEvent event) { 712 return mAwContents.getContentViewCore().onKeyUp(keyCode, event); 713 } 714 715 @Override 716 public void onAttachedToWindow() { 717 mAwContents.onAttachedToWindow(); 718 } 719 720 @Override 721 public void onDetachedFromWindow() { 722 mAwContents.onDetachedFromWindow(); 723 if (mGLfunctor != null) { 724 mGLfunctor.detach(); 725 } 726 } 727 728 @Override 729 public void onVisibilityChanged(View changedView, int visibility) { 730 // The AwContents will find out the container view visibility before the first draw so we 731 // can safely ignore onVisibilityChanged callbacks that happen before init(). 732 if (mAwContents != null) { 733 mAwContents.onVisibilityChanged(changedView, visibility); 734 } 735 } 736 737 @Override 738 public void onWindowFocusChanged(boolean hasWindowFocus) { 739 mAwContents.onWindowFocusChanged(hasWindowFocus); 740 } 741 742 @Override 743 public void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 744 mAwContents.onFocusChanged(focused, direction, previouslyFocusedRect); 745 } 746 747 @Override 748 public boolean setFrame(int left, int top, int right, int bottom) { 749 // TODO(joth): This is the minimum implementation for initial 750 // bringup. Likely will need to go up to AwContents for a complete 751 // implementation, e.g. setting the compositor visible region (to 752 // avoid painting tiles that are offscreen due to the view's position). 753 return mWebViewPrivate.super_setFrame(left, top, right, bottom); 754 } 755 756 @Override 757 public void onSizeChanged(int w, int h, int ow, int oh) { 758 mAwContents.onSizeChanged(w, h, ow, oh); 759 } 760 761 @Override 762 public void onScrollChanged(int l, int t, int oldl, int oldt) { 763 } 764 765 @Override 766 public boolean dispatchKeyEvent(KeyEvent event) { 767 return mAwContents.getContentViewCore().dispatchKeyEvent(event); 768 } 769 770 @Override 771 public boolean onTouchEvent(MotionEvent ev) { 772 return mAwContents.onTouchEvent(ev); 773 } 774 775 @Override 776 public boolean onHoverEvent(MotionEvent event) { 777 return mAwContents.onHoverEvent(event); 778 } 779 780 @Override 781 public boolean onGenericMotionEvent(MotionEvent event) { 782 return mAwContents.onGenericMotionEvent(event); 783 } 784 785 @Override 786 public boolean onTrackballEvent(MotionEvent ev) { 787 // Trackball event not handled, which eventually gets converted to DPAD keyevents 788 return false; 789 } 790 791 @Override 792 public boolean requestFocus(int direction, Rect previouslyFocusedRect) { 793 mAwContents.requestFocus(); 794 return mWebViewPrivate.super_requestFocus(direction, previouslyFocusedRect); 795 } 796 797 @Override 798 public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 799 // TODO(boliu): This is to get around the fact that onMeasure is not 800 // implemented yet but some cts tests depends on non-zero behavior. 801 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 802 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 803 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 804 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 805 if (heightMode != MeasureSpec.EXACTLY && 806 widthMode != MeasureSpec.EXACTLY) { 807 mWebViewPrivate.setMeasuredDimension(widthSize, heightSize); 808 } 809 UnimplementedWebViewApi.invoke(); 810 } 811 812 @Override 813 public boolean requestChildRectangleOnScreen(View child, Rect rect, boolean immediate) { 814 UnimplementedWebViewApi.invoke(); 815 return false; 816 } 817 818 @Override 819 public void setBackgroundColor(int color) { 820 UnimplementedWebViewApi.invoke(); 821 } 822 823 @Override 824 public void setLayerType(int layerType, Paint paint) { 825 UnimplementedWebViewApi.invoke(); 826 } 827 828 // No @Override for now to keep bots happy. 829 public void preDispatchDraw(Canvas canvas) { 830 // ContentViewCore handles drawing the scroll internally, therefore 831 // we need to compensate for the canvas transform already applied 832 // by the framework due to changes to the WebView's scrollX/Y. 833 canvas.translate(mWebView.getScrollX(), mWebView.getScrollY()); 834 } 835 836 // WebViewProvider.ScrollDelegate implementation ---------------------------------------------- 837 838 @Override 839 public int computeHorizontalScrollRange() { 840 return mAwContents.getContentViewCore().computeHorizontalScrollRange(); 841 } 842 843 @Override 844 public int computeHorizontalScrollOffset() { 845 return mAwContents.getContentViewCore().computeHorizontalScrollOffset(); 846 } 847 848 @Override 849 public int computeVerticalScrollRange() { 850 return mAwContents.getContentViewCore().computeVerticalScrollRange(); 851 } 852 853 @Override 854 public int computeVerticalScrollOffset() { 855 return mAwContents.getContentViewCore().computeVerticalScrollOffset(); 856 } 857 858 @Override 859 public int computeVerticalScrollExtent() { 860 return mAwContents.getContentViewCore().computeVerticalScrollExtent(); 861 } 862 863 @Override 864 public void computeScroll() { 865 // BUG=http://b/6029133 866 UnimplementedWebViewApi.invoke(); 867 } 868 869 // ContentViewCore.InternalAccessDelegate implementation -------------------------------------- 870 private class InternalAccessAdapter implements ContentViewCore.InternalAccessDelegate { 871 @Override 872 public boolean drawChild(Canvas arg0, View arg1, long arg2) { 873 UnimplementedWebViewApi.invoke(); 874 return false; 875 } 876 877 @Override 878 public boolean super_onKeyUp(int arg0, KeyEvent arg1) { 879 UnimplementedWebViewApi.invoke(); 880 return false; 881 } 882 883 @Override 884 public boolean super_dispatchKeyEventPreIme(KeyEvent arg0) { 885 UnimplementedWebViewApi.invoke(); 886 return false; 887 } 888 889 @Override 890 public boolean super_dispatchKeyEvent(KeyEvent event) { 891 return mWebViewPrivate.super_dispatchKeyEvent(event); 892 } 893 894 @Override 895 public boolean super_onGenericMotionEvent(MotionEvent arg0) { 896 UnimplementedWebViewApi.invoke(); 897 return false; 898 } 899 900 @Override 901 public void super_onConfigurationChanged(Configuration arg0) { 902 UnimplementedWebViewApi.invoke(); 903 } 904 905 @Override 906 public void onScrollChanged(int l, int t, int oldl, int oldt) { 907 mWebViewPrivate.setScrollXRaw(l); 908 mWebViewPrivate.setScrollYRaw(t); 909 mWebViewPrivate.onScrollChanged(l, t, oldl, oldt); 910 } 911 912 @Override 913 public boolean awakenScrollBars() { 914 mWebViewPrivate.awakenScrollBars(0); 915 // TODO: modify the WebView.PrivateAccess to provide a return value. 916 return true; 917 } 918 919 @Override 920 public boolean super_awakenScrollBars(int arg0, boolean arg1) { 921 // TODO: need method on WebView.PrivateAccess? 922 UnimplementedWebViewApi.invoke(); 923 return false; 924 } 925 } 926} 927