WebViewChromium.java revision e78d6e40e4e78671e6621ba8cf49835568704899
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.ViewGroup; 36import android.view.accessibility.AccessibilityEvent; 37import android.view.accessibility.AccessibilityNodeInfo; 38import android.view.inputmethod.EditorInfo; 39import android.view.inputmethod.InputConnection; 40import android.webkit.DownloadListener; 41import android.webkit.ValueCallback; 42import android.webkit.WebBackForwardList; 43import android.webkit.WebChromeClient; 44import android.webkit.WebSettings; 45import android.webkit.WebView; 46import android.webkit.WebViewClient; 47import android.webkit.WebViewProvider; 48 49import org.chromium.android_webview.AwContents; 50import org.chromium.android_webview.AwNativeWindow; 51import org.chromium.content.browser.ContentViewCore; 52import org.chromium.content.browser.ContentViewDownloadDelegate; 53import org.chromium.content.browser.LoadUrlParams; 54import org.chromium.net.NetworkChangeNotifier; 55 56import java.io.BufferedWriter; 57import java.io.File; 58import java.util.Map; 59 60/** 61 * This class is the delegate to which WebViewProxy forwards all API calls. 62 * 63 * Most of the actual functionality is implemented by AwContents (or ContentViewCore within 64 * it). This class also contains WebView-specific APIs that require the creation of other 65 * adapters (otherwise org.chromium.content would depend on the webview.chromium package) 66 * and a small set of no-op deprecated APIs. 67 */ 68class WebViewChromium implements WebViewProvider, 69 WebViewProvider.ScrollDelegate, WebViewProvider.ViewDelegate { 70 71 private static final String TAG = WebViewChromium.class.getSimpleName(); 72 73 // The WebView that this WebViewChromium is the provider for. 74 WebView mWebView; 75 // Lets us access protected View-derived methods on the WebView instance we're backing. 76 WebView.PrivateAccess mWebViewPrivate; 77 // The client adapter class. 78 private WebViewContentsClientAdapter mContentsClientAdapter; 79 80 // Variables for functionality provided by this adapter --------------------------------------- 81 // WebSettings adapter, lazily initialized in the getter 82 private WebSettings mWebSettings; 83 // The WebView wrapper for ContentViewCore and required browser compontents. 84 private AwContents mAwContents; 85 // Non-null if this webview is using the GL accelerated draw path. 86 private DrawGLFunctor mGLfunctor; 87 88 private final WebView.HitTestResult mHitTestResult; 89 90 public WebViewChromium(WebView webView, WebView.PrivateAccess webViewPrivate) { 91 mWebView = webView; 92 mWebViewPrivate = webViewPrivate; 93 mHitTestResult = new WebView.HitTestResult(); 94 } 95 96 // WebViewProvider methods -------------------------------------------------------------------- 97 98 @Override 99 public void init(Map<String, Object> javaScriptInterfaces, boolean privateBrowsing) { 100 // TODO: BUG=6790250 javaScriptInterfaces were only ever used by DumpRenderTree and should 101 // probably be implemented as a hidden hook in WebViewClassic. 102 103 final boolean isAccessFromFileURLsGrantedByDefault = 104 mWebView.getContext().getApplicationInfo().targetSdkVersion < 105 Build.VERSION_CODES.JELLY_BEAN; 106 mContentsClientAdapter = new WebViewContentsClientAdapter(mWebView); 107 mAwContents = new AwContents(mWebView, new InternalAccessAdapter(), mContentsClientAdapter, 108 new AwNativeWindow(mWebView.getContext()), privateBrowsing, 109 isAccessFromFileURLsGrantedByDefault); 110 111 // At this point we now have the native AwContents and WebContents created and code 112 // that requires them can now be called. 113 } 114 115 @Override 116 public void setHorizontalScrollbarOverlay(boolean overlay) { 117 UnimplementedWebViewApi.invoke(); 118 } 119 120 @Override 121 public void setVerticalScrollbarOverlay(boolean overlay) { 122 UnimplementedWebViewApi.invoke(); 123 } 124 125 @Override 126 public boolean overlayHorizontalScrollbar() { 127 UnimplementedWebViewApi.invoke(); 128 return false; 129 } 130 131 @Override 132 public boolean overlayVerticalScrollbar() { 133 UnimplementedWebViewApi.invoke(); 134 return false; 135 } 136 137 @Override 138 public int getVisibleTitleHeight() { 139 // This is deprecated in WebView and should always return 0. 140 return 0; 141 } 142 143 @Override 144 public SslCertificate getCertificate() { 145 return mAwContents.getCertificate(); 146 } 147 148 @Override 149 public void setCertificate(SslCertificate certificate) { 150 UnimplementedWebViewApi.invoke(); 151 } 152 153 @Override 154 public void savePassword(String host, String username, String password) { 155 UnimplementedWebViewApi.invoke(); 156 } 157 158 @Override 159 public void setHttpAuthUsernamePassword(String host, String realm, String username, 160 String password) { 161 mAwContents.setHttpAuthUsernamePassword(host, realm, username, password); 162 } 163 164 @Override 165 public String[] getHttpAuthUsernamePassword(String host, String realm) { 166 return mAwContents.getHttpAuthUsernamePassword(host, realm); 167 } 168 169 @Override 170 public void destroy() { 171 mAwContents.destroy(); 172 if (mGLfunctor != null) { 173 mGLfunctor.destroy(); 174 mGLfunctor = null; 175 } 176 } 177 178 @Override 179 public void setNetworkAvailable(boolean networkUp) { 180 NetworkChangeNotifier.forceConnectivityState(networkUp); 181 } 182 183 @Override 184 public WebBackForwardList saveState(Bundle outState) { 185 if (outState == null) return null; 186 if (!mAwContents.saveState(outState)) return null; 187 return copyBackForwardList(); 188 } 189 190 @Override 191 public boolean savePicture(Bundle b, File dest) { 192 UnimplementedWebViewApi.invoke(); 193 return false; 194 } 195 196 @Override 197 public boolean restorePicture(Bundle b, File src) { 198 UnimplementedWebViewApi.invoke(); 199 return false; 200 } 201 202 @Override 203 public WebBackForwardList restoreState(Bundle inState) { 204 if (inState == null) return null; 205 if (!mAwContents.restoreState(inState)) return null; 206 return copyBackForwardList(); 207 } 208 209 @Override 210 public void loadUrl(String url, Map<String, String> additionalHttpHeaders) { 211 // TODO: We may actually want to do some sanity checks here (like filter about://chrome). 212 LoadUrlParams params = new LoadUrlParams(url); 213 if (additionalHttpHeaders != null) params.setExtraHeaders(additionalHttpHeaders); 214 mAwContents.loadUrl(params); 215 } 216 217 @Override 218 public void loadUrl(String url) { 219 loadUrl(url, null); 220 } 221 222 @Override 223 public void postUrl(String url, byte[] postData) { 224 mAwContents.loadUrl(LoadUrlParams.createLoadHttpPostParams( 225 url, postData)); 226 } 227 228 private static boolean isBase64Encoded(String encoding) { 229 return "base64".equals(encoding); 230 } 231 232 @Override 233 public void loadData(String data, String mimeType, String encoding) { 234 mAwContents.loadUrl(LoadUrlParams.createLoadDataParams( 235 data, mimeType, isBase64Encoded(encoding))); 236 } 237 238 @Override 239 public void loadDataWithBaseURL(String baseUrl, String data, String mimeType, String encoding, 240 String historyUrl) { 241 if (baseUrl == null || baseUrl.length() == 0) baseUrl = "about:blank"; 242 mAwContents.loadUrl(LoadUrlParams.createLoadDataParamsWithBaseUrl( 243 data, mimeType, isBase64Encoded(encoding), baseUrl, historyUrl)); 244 } 245 246 @Override 247 public void saveWebArchive(String filename) { 248 saveWebArchive(filename, false, null); 249 } 250 251 @Override 252 public void saveWebArchive(String basename, boolean autoname, ValueCallback<String> callback) { 253 mAwContents.saveWebArchive(basename, autoname, callback); 254 } 255 256 @Override 257 public void stopLoading() { 258 mAwContents.getContentViewCore().stopLoading(); 259 } 260 261 @Override 262 public void reload() { 263 mAwContents.getContentViewCore().reload(); 264 } 265 266 @Override 267 public boolean canGoBack() { 268 return mAwContents.getContentViewCore().canGoBack(); 269 } 270 271 @Override 272 public void goBack() { 273 mAwContents.getContentViewCore().goBack(); 274 } 275 276 @Override 277 public boolean canGoForward() { 278 return mAwContents.getContentViewCore().canGoForward(); 279 } 280 281 @Override 282 public void goForward() { 283 mAwContents.getContentViewCore().goForward(); 284 } 285 286 @Override 287 public boolean canGoBackOrForward(int steps) { 288 return mAwContents.getContentViewCore().canGoToOffset(steps); 289 } 290 291 @Override 292 public void goBackOrForward(int steps) { 293 mAwContents.getContentViewCore().goToOffset(steps); 294 } 295 296 @Override 297 public boolean isPrivateBrowsingEnabled() { 298 UnimplementedWebViewApi.invoke(); 299 return false; 300 } 301 302 @Override 303 public boolean pageUp(boolean top) { 304 return mAwContents.getContentViewCore().pageUp(top); 305 } 306 307 @Override 308 public boolean pageDown(boolean bottom) { 309 return mAwContents.getContentViewCore().pageDown(bottom); 310 } 311 312 @Override 313 public void clearView() { 314 UnimplementedWebViewApi.invoke(); 315 } 316 317 @Override 318 public Picture capturePicture() { 319 UnimplementedWebViewApi.invoke(); 320 return null; 321 } 322 323 @Override 324 public float getScale() { 325 return mAwContents.getContentViewCore().getScale(); 326 } 327 328 @Override 329 public void setInitialScale(int scaleInPercent) { 330 UnimplementedWebViewApi.invoke(); 331 } 332 333 @Override 334 public void invokeZoomPicker() { 335 mAwContents.getContentViewCore().invokeZoomPicker(); 336 } 337 338 @Override 339 public WebView.HitTestResult getHitTestResult() { 340 AwContents.HitTestData data = mAwContents.getLastHitTestResult(); 341 mHitTestResult.setType(data.hitTestResultType); 342 mHitTestResult.setExtra(data.hitTestResultExtraData); 343 return mHitTestResult; 344 } 345 346 @Override 347 public void requestFocusNodeHref(Message hrefMsg) { 348 mAwContents.requestFocusNodeHref(hrefMsg); 349 } 350 351 @Override 352 public void requestImageRef(Message msg) { 353 mAwContents.requestImageRef(msg); 354 } 355 356 @Override 357 public String getUrl() { 358 String url = mAwContents.getContentViewCore().getUrl(); 359 if (url == null || url.trim().isEmpty()) return null; 360 return url; 361 } 362 363 @Override 364 public String getOriginalUrl() { 365 String url = mAwContents.getOriginalUrl(); 366 if (url == null || url.trim().isEmpty()) return null; 367 return url; 368 } 369 370 @Override 371 public String getTitle() { 372 return mAwContents.getContentViewCore().getTitle(); 373 } 374 375 @Override 376 public Bitmap getFavicon() { 377 UnimplementedWebViewApi.invoke(); 378 return null; 379 } 380 381 @Override 382 public String getTouchIconUrl() { 383 UnimplementedWebViewApi.invoke(); 384 return null; 385 } 386 387 @Override 388 public int getProgress() { 389 return mAwContents.getMostRecentProgress(); 390 } 391 392 @Override 393 public int getContentHeight() { 394 return mAwContents.getContentViewCore().getContentHeight(); 395 } 396 397 @Override 398 public int getContentWidth() { 399 return mAwContents.getContentViewCore().getContentWidth(); 400 } 401 402 @Override 403 public void pauseTimers() { 404 mAwContents.pauseTimers(); 405 } 406 407 @Override 408 public void resumeTimers() { 409 mAwContents.resumeTimers(); 410 } 411 412 @Override 413 public void onPause() { 414 mAwContents.onPause(); 415 } 416 417 @Override 418 public void onResume() { 419 mAwContents.onResume(); 420 } 421 422 @Override 423 public boolean isPaused() { 424 return mAwContents.isPaused(); 425 } 426 427 @Override 428 public void freeMemory() { 429 UnimplementedWebViewApi.invoke(); 430 } 431 432 @Override 433 public void clearCache(boolean includeDiskFiles) { 434 mAwContents.clearCache(includeDiskFiles); 435 } 436 437 @Override 438 public void clearFormData() { 439 UnimplementedWebViewApi.invoke(); 440 } 441 442 @Override 443 public void clearHistory() { 444 mAwContents.getContentViewCore().clearHistory(); 445 } 446 447 @Override 448 public void clearSslPreferences() { 449 mAwContents.getContentViewCore().clearSslPreferences(); 450 } 451 452 @Override 453 public WebBackForwardList copyBackForwardList() { 454 return new WebBackForwardListChromium( 455 mAwContents.getContentViewCore().getNavigationHistory()); 456 } 457 458 @Override 459 public void setFindListener(WebView.FindListener listener) { 460 mContentsClientAdapter.setFindListener(listener); 461 } 462 463 @Override 464 public void findNext(boolean forwards) { 465 mAwContents.findNext(forwards); 466 } 467 468 @Override 469 public int findAll(String searchString) { 470 return mAwContents.findAllSync(searchString); 471 } 472 473 @Override 474 public void findAllAsync(String searchString) { 475 mAwContents.findAllAsync(searchString); 476 } 477 478 @Override 479 public boolean showFindDialog(String text, boolean showIme) { 480 UnimplementedWebViewApi.invoke(); 481 return false; 482 } 483 484 @Override 485 public void clearMatches() { 486 mAwContents.clearMatches(); 487 } 488 489 @Override 490 public void documentHasImages(Message response) { 491 mAwContents.documentHasImages(response); 492 } 493 494 @Override 495 public void setWebViewClient(WebViewClient client) { 496 mContentsClientAdapter.setWebViewClient(client); 497 } 498 499 static class DownloadListenerAdapter implements ContentViewDownloadDelegate { 500 private DownloadListener mListener; 501 502 public DownloadListenerAdapter(DownloadListener listener) { 503 mListener = listener; 504 } 505 506 @Override 507 public void requestHttpGetDownload(String url, String userAgent, String contentDisposition, 508 String mimetype, String cookie, String referer, long contentLength) { 509 mListener.onDownloadStart(url, userAgent, contentDisposition, mimetype, contentLength); 510 } 511 512 @Override 513 public void onHttpPostDownloadStarted() {} 514 515 @Override 516 public void onHttpPostDownloadCompleted(String url, String mimetype, String path, 517 long contentLength, boolean successful) {} 518 } 519 520 @Override 521 public void setDownloadListener(DownloadListener listener) { 522 mAwContents.getContentViewCore().setDownloadDelegate(new DownloadListenerAdapter(listener)); 523 } 524 525 @Override 526 public void setWebChromeClient(WebChromeClient client) { 527 mContentsClientAdapter.setWebChromeClient(client); 528 } 529 530 @Override 531 public void setPictureListener(WebView.PictureListener listener) { 532 mContentsClientAdapter.setPictureListener(listener); 533 } 534 535 @Override 536 public void addJavascriptInterface(Object obj, String interfaceName) { 537 // We do not require the @JavascriptInterface annotation on injected methods 538 // for WebView API compatibility. 539 mAwContents.getContentViewCore().addJavascriptInterface(obj, interfaceName, false); 540 } 541 542 @Override 543 public void removeJavascriptInterface(String interfaceName) { 544 mAwContents.getContentViewCore().removeJavascriptInterface(interfaceName); 545 } 546 547 @Override 548 public WebSettings getSettings() { 549 if (mWebSettings == null) { 550 mWebSettings = new ContentSettingsAdapter( 551 mAwContents.getContentViewCore().getContentSettings(), 552 mAwContents.getSettings()); 553 } 554 return mWebSettings; 555 } 556 557 @Override 558 public void setMapTrackballToArrowKeys(boolean setMap) { 559 // This is a deprecated API: intentional no-op. 560 } 561 562 @Override 563 public void flingScroll(int vx, int vy) { 564 mAwContents.getContentViewCore().flingScroll(vx, vy); 565 } 566 567 @Override 568 public View getZoomControls() { 569 // This was deprecated in 2009 and hidden in JB MR1, so just provide the minimum needed 570 // to stop very out-dated applications from crashing. 571 Log.w(TAG, "WebView doesn't support getZoomControls"); 572 return mAwContents.getSettings().supportZoom() ? new View(mWebView.getContext()) : null; 573 } 574 575 @Override 576 public boolean canZoomIn() { 577 return mAwContents.getContentViewCore().canZoomIn(); 578 } 579 580 @Override 581 public boolean canZoomOut() { 582 return mAwContents.getContentViewCore().canZoomOut(); 583 } 584 585 @Override 586 public boolean zoomIn() { 587 return mAwContents.getContentViewCore().zoomIn(); 588 } 589 590 @Override 591 public boolean zoomOut() { 592 return mAwContents.getContentViewCore().zoomOut(); 593 } 594 595 // TODO: This should @Override the base class method, but the method 596 // exists only in the Android-master source. So to keep compiling on both 597 // Android-master and Android-jb-dev, omit the annotation. When we no longer 598 // need to build with jb-dev, add the annotation. 599 public void dumpViewHierarchyWithProperties(BufferedWriter out, int level) { 600 UnimplementedWebViewApi.invoke(); 601 } 602 603 // TODO: This should @Override the base class method, but the method 604 // exists only in the Android-master source. So to keep compiling on both 605 // Android-master and Android-jb-dev, omit the annotation. When we no longer 606 // need to build with jb-dev, add the annotation. 607 public View findHierarchyView(String className, int hashCode) { 608 UnimplementedWebViewApi.invoke(); 609 return null; 610 } 611 612 // WebViewProvider glue methods --------------------------------------------------------------- 613 614 @Override 615 public WebViewProvider.ViewDelegate getViewDelegate() { 616 return this; 617 } 618 619 @Override 620 public WebViewProvider.ScrollDelegate getScrollDelegate() { 621 return this; 622 } 623 624 625 // WebViewProvider JB migration methods ------------------------------------------------------- 626 627 // TODO: These methods are removed from the base class in 628 // Android-master, but we keep them here to ensure that the glue 629 // layer builds in an Android-jb-dev tree. Once we no longer 630 // need to compile the glue against jb-dev, remove this method. 631 632 public void debugDump() { 633 // This is deprecated and now does nothing. 634 } 635 636 public void emulateShiftHeld() { 637 // This is deprecated and now does nothing. 638 } 639 640 // WebViewProvider.ViewDelegate implementation ------------------------------------------------ 641 642 @Override 643 public boolean shouldDelayChildPressedState() { 644 UnimplementedWebViewApi.invoke(); 645 return false; 646 } 647 648 @Override 649 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 650 mAwContents.getContentViewCore().onInitializeAccessibilityNodeInfo(info); 651 } 652 653 @Override 654 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 655 mAwContents.getContentViewCore().onInitializeAccessibilityEvent(event); 656 } 657 658 // TODO: Update WebView to mimic ContentView implementation for the 659 // real View#performAccessibilityAction(int, Bundle). This method has different behavior. 660 // See ContentViewCore#performAccessibilityAction(int, Bundle) for more details. 661 @Override 662 public boolean performAccessibilityAction(int action, Bundle arguments) { 663 return mAwContents.getContentViewCore().performAccessibilityAction(action, arguments); 664 } 665 666 @Override 667 public void setOverScrollMode(int mode) { 668 UnimplementedWebViewApi.invoke(); 669 } 670 671 @Override 672 public void setScrollBarStyle(int style) { 673 UnimplementedWebViewApi.invoke(); 674 } 675 676 @Override 677 public void onDrawVerticalScrollBar(Canvas canvas, Drawable scrollBar, 678 int l, int t, int r, int b) { 679 UnimplementedWebViewApi.invoke(); 680 } 681 682 @Override 683 public void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) { 684 UnimplementedWebViewApi.invoke(); 685 } 686 687 @Override 688 public void onWindowVisibilityChanged(int visibility) { 689 mAwContents.onWindowVisibilityChanged(visibility); 690 } 691 692 @Override 693 public void onDraw(Canvas canvas) { 694 if (canvas.isHardwareAccelerated() && mAwContents.onPrepareDrawGL(canvas)) { 695 if (mGLfunctor == null) { 696 mGLfunctor = new DrawGLFunctor(mAwContents.getAwDrawGLViewContext()); 697 } 698 mGLfunctor.requestDrawGL((HardwareCanvas) canvas, mWebView.getViewRootImpl()); 699 } else { 700 mAwContents.onDraw(canvas); 701 } 702 } 703 704 @Override 705 public void setLayoutParams(ViewGroup.LayoutParams layoutParams) { 706 // TODO: This is the minimum implementation for HTMLViewer 707 // bringup. Likely will need to go up to ContentViewCore for 708 // a complete implementation. 709 mWebViewPrivate.super_setLayoutParams(layoutParams); 710 } 711 712 @Override 713 public boolean performLongClick() { 714 UnimplementedWebViewApi.invoke(); 715 return false; 716 } 717 718 @Override 719 public void onConfigurationChanged(Configuration newConfig) { 720 mAwContents.onConfigurationChanged(newConfig); 721 } 722 723 @Override 724 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 725 return mAwContents.getContentViewCore().onCreateInputConnection(outAttrs); 726 } 727 728 @Override 729 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 730 UnimplementedWebViewApi.invoke(); 731 return false; 732 } 733 734 @Override 735 public boolean onKeyDown(int keyCode, KeyEvent event) { 736 UnimplementedWebViewApi.invoke(); 737 return false; 738 } 739 740 @Override 741 public boolean onKeyUp(int keyCode, KeyEvent event) { 742 return mAwContents.getContentViewCore().onKeyUp(keyCode, event); 743 } 744 745 @Override 746 public void onAttachedToWindow() { 747 mAwContents.onAttachedToWindow(); 748 } 749 750 @Override 751 public void onDetachedFromWindow() { 752 mAwContents.onDetachedFromWindow(); 753 if (mGLfunctor != null) { 754 mGLfunctor.detach(); 755 } 756 } 757 758 @Override 759 public void onVisibilityChanged(View changedView, int visibility) { 760 mAwContents.onVisibilityChanged(changedView, visibility); 761 } 762 763 @Override 764 public void onWindowFocusChanged(boolean hasWindowFocus) { 765 mAwContents.onWindowFocusChanged(hasWindowFocus); 766 } 767 768 @Override 769 public void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 770 mAwContents.onFocusChanged(focused, direction, previouslyFocusedRect); 771 } 772 773 @Override 774 public boolean setFrame(int left, int top, int right, int bottom) { 775 // TODO(joth): This is the minimum implementation for initial 776 // bringup. Likely will need to go up to AwContents for a complete 777 // implementation, e.g. setting the compositor visible region (to 778 // avoid painting tiles that are offscreen due to the view's position). 779 return mWebViewPrivate.super_setFrame(left, top, right, bottom); 780 } 781 782 @Override 783 public void onSizeChanged(int w, int h, int ow, int oh) { 784 mAwContents.onSizeChanged(w, h, ow, oh); 785 } 786 787 @Override 788 public void onScrollChanged(int l, int t, int oldl, int oldt) { 789 } 790 791 @Override 792 public boolean dispatchKeyEvent(KeyEvent event) { 793 return mAwContents.getContentViewCore().dispatchKeyEvent(event); 794 } 795 796 @Override 797 public boolean onTouchEvent(MotionEvent ev) { 798 return mAwContents.onTouchEvent(ev); 799 } 800 801 @Override 802 public boolean onHoverEvent(MotionEvent event) { 803 return mAwContents.onHoverEvent(event); 804 } 805 806 @Override 807 public boolean onGenericMotionEvent(MotionEvent event) { 808 return mAwContents.onGenericMotionEvent(event); 809 } 810 811 @Override 812 public boolean onTrackballEvent(MotionEvent ev) { 813 // Trackball event not handled, which eventually gets converted to DPAD keyevents 814 return false; 815 } 816 817 @Override 818 public boolean requestFocus(int direction, Rect previouslyFocusedRect) { 819 return mWebViewPrivate.super_requestFocus(direction, previouslyFocusedRect); 820 } 821 822 @Override 823 public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 824 UnimplementedWebViewApi.invoke(); 825 } 826 827 @Override 828 public boolean requestChildRectangleOnScreen(View child, Rect rect, boolean immediate) { 829 UnimplementedWebViewApi.invoke(); 830 return false; 831 } 832 833 @Override 834 public void setBackgroundColor(int color) { 835 UnimplementedWebViewApi.invoke(); 836 } 837 838 @Override 839 public void setLayerType(int layerType, Paint paint) { 840 UnimplementedWebViewApi.invoke(); 841 } 842 843 // No @Override for now to keep bots happy. 844 public void preDispatchDraw(Canvas canvas) { 845 // ContentViewCore handles drawing the scroll internally, therefore 846 // we need to compensate for the canvas transform already applied 847 // by the framework due to changes to the WebView's scrollX/Y. 848 canvas.translate(mWebView.getScrollX(), mWebView.getScrollY()); 849 } 850 851 // WebViewProvider.ScrollDelegate implementation ---------------------------------------------- 852 853 @Override 854 public int computeHorizontalScrollRange() { 855 return mAwContents.getContentViewCore().computeHorizontalScrollRange(); 856 } 857 858 @Override 859 public int computeHorizontalScrollOffset() { 860 return mAwContents.getContentViewCore().computeHorizontalScrollOffset(); 861 } 862 863 @Override 864 public int computeVerticalScrollRange() { 865 return mAwContents.getContentViewCore().computeVerticalScrollRange(); 866 } 867 868 @Override 869 public int computeVerticalScrollOffset() { 870 return mAwContents.getContentViewCore().computeVerticalScrollOffset(); 871 } 872 873 @Override 874 public int computeVerticalScrollExtent() { 875 return mAwContents.getContentViewCore().computeVerticalScrollExtent(); 876 } 877 878 @Override 879 public void computeScroll() { 880 // BUG=http://b/6029133 881 UnimplementedWebViewApi.invoke(); 882 } 883 884 // ContentViewCore.InternalAccessDelegate implementation -------------------------------------- 885 private class InternalAccessAdapter implements ContentViewCore.InternalAccessDelegate { 886 887 @Override 888 public boolean drawChild(Canvas arg0, View arg1, long arg2) { 889 UnimplementedWebViewApi.invoke(); 890 return false; 891 } 892 893 @Override 894 public boolean super_onKeyUp(int arg0, KeyEvent arg1) { 895 UnimplementedWebViewApi.invoke(); 896 return false; 897 } 898 899 @Override 900 public boolean super_dispatchKeyEventPreIme(KeyEvent arg0) { 901 UnimplementedWebViewApi.invoke(); 902 return false; 903 } 904 905 @Override 906 public boolean super_dispatchKeyEvent(KeyEvent event) { 907 return mWebViewPrivate.super_dispatchKeyEvent(event); 908 } 909 910 @Override 911 public boolean super_onGenericMotionEvent(MotionEvent arg0) { 912 UnimplementedWebViewApi.invoke(); 913 return false; 914 } 915 916 @Override 917 public void super_onConfigurationChanged(Configuration arg0) { 918 UnimplementedWebViewApi.invoke(); 919 } 920 921 @Override 922 public void onScrollChanged(int l, int t, int oldl, int oldt) { 923 mWebViewPrivate.setScrollXRaw(l); 924 mWebViewPrivate.setScrollYRaw(t); 925 mWebViewPrivate.onScrollChanged(l, t, oldl, oldt); 926 } 927 928 @Override 929 public boolean awakenScrollBars() { 930 mWebViewPrivate.awakenScrollBars(0); 931 // TODO: modify the WebView.PrivateAccess to provide a return value. 932 return true; 933 } 934 935 @Override 936 public boolean super_awakenScrollBars(int arg0, boolean arg1) { 937 // TODO: need method on WebView.PrivateAccess? 938 UnimplementedWebViewApi.invoke(); 939 return false; 940 } 941 942 // TODO: Remove this method. It is not planned to get upstreamed. 943 // @Override 944 public void onSurfaceTextureUpdated() { 945 } 946 } 947} 948