1 /* 2 * Copyright 2006, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebViewCore_h 27 #define WebViewCore_h 28 29 #include "DeviceMotionAndOrientationManager.h" 30 #include "DOMSelection.h" 31 #include "FileChooser.h" 32 #include "FocusDirection.h" 33 #include "GeolocationManager.h" 34 #include "HitTestResult.h" 35 #include "PicturePile.h" 36 #include "PlatformGraphicsContext.h" 37 #include "Position.h" 38 #include "ScrollTypes.h" 39 #include "SkColor.h" 40 #include "SkTDArray.h" 41 #include "SkRegion.h" 42 #include "Text.h" 43 #include "Timer.h" 44 #include "WebCoreRefObject.h" 45 #include "WebCoreJni.h" 46 #include "WebRequestContext.h" 47 #include "android_npapi.h" 48 #include "VisiblePosition.h" 49 #include "SelectText.h" 50 51 #include <jni.h> 52 #include <androidfw/KeycodeLabels.h> 53 #include <ui/PixelFormat.h> 54 #include <utils/threads.h> 55 #include <wtf/Threading.h> 56 57 namespace WebCore { 58 class Color; 59 class GraphicsOperationCollection; 60 class FrameView; 61 class HTMLAnchorElement; 62 class HTMLElement; 63 class HTMLImageElement; 64 class HTMLSelectElement; 65 class RenderPart; 66 class RenderText; 67 class Node; 68 class PlatformKeyboardEvent; 69 class QualifiedName; 70 class RenderTextControl; 71 class ScrollView; 72 class TimerBase; 73 class PageGroup; 74 } 75 76 #if USE(ACCELERATED_COMPOSITING) 77 namespace WebCore { 78 class GraphicsLayerAndroid; 79 class LayerAndroid; 80 } 81 #endif 82 83 namespace WebCore { 84 class BaseLayerAndroid; 85 } 86 87 struct PluginWidgetAndroid; 88 class SkPicture; 89 class SkIRect; 90 91 namespace android { 92 93 enum Direction { 94 DIRECTION_BACKWARD = 0, 95 DIRECTION_FORWARD = 1 96 }; 97 98 enum NavigationAxis { 99 AXIS_CHARACTER = 0, 100 AXIS_WORD = 1, 101 AXIS_SENTENCE = 2, 102 AXIS_HEADING = 3, 103 AXIS_SIBLING = 4, 104 AXIS_PARENT_FIRST_CHILD = 5, 105 AXIS_DOCUMENT = 6 106 }; 107 108 class ListBoxReply; 109 class AndroidHitTestResult; 110 111 class WebCoreReply : public WebCoreRefObject { 112 public: 113 virtual ~WebCoreReply() {} 114 115 virtual void replyInt(int value) { 116 SkDEBUGF(("WebCoreReply::replyInt(%d) not handled\n", value)); 117 } 118 119 virtual void replyIntArray(const int* array, int count) { 120 SkDEBUGF(("WebCoreReply::replyIntArray() not handled\n")); 121 } 122 // add more replyFoo signatures as needed 123 }; 124 125 // one instance of WebViewCore per page for calling into Java's WebViewCore 126 class WebViewCore : public WebCoreRefObject, public WebCore::PicturePainter { 127 public: 128 /** 129 * Initialize the native WebViewCore with a JNI environment, a Java 130 * WebViewCore object and the main frame. 131 */ 132 WebViewCore(JNIEnv* env, jobject javaView, WebCore::Frame* mainframe); 133 ~WebViewCore(); 134 135 // helper function 136 static WebViewCore* getWebViewCore(const WebCore::FrameView* view); 137 static WebViewCore* getWebViewCore(const WebCore::ScrollView* view); 138 139 // Followings are called from native WebCore to Java 140 141 void focusNodeChanged(WebCore::Node*); 142 143 /** 144 * Scroll to an absolute position. 145 * @param x The x coordinate. 146 * @param y The y coordinate. 147 * @param animate If it is true, animate to the new scroll position 148 * 149 * This method calls Java to trigger a gradual scroll event. 150 */ 151 void scrollTo(int x, int y, bool animate = false); 152 153 /** 154 * Record the invalid rectangle 155 */ 156 void contentInvalidate(const WebCore::IntRect &rect); 157 void contentInvalidateAll(); 158 159 /** 160 * Satisfy any outstanding invalidates, so that the current state 161 * of the DOM is drawn. 162 */ 163 void contentDraw(); 164 165 #if USE(ACCELERATED_COMPOSITING) 166 WebCore::GraphicsLayerAndroid* graphicsRootLayer() const; 167 #endif 168 169 /** Invalidate the view/screen, NOT the content/DOM, but expressed in 170 * content/DOM coordinates (i.e. they need to eventually be scaled, 171 * by webview into view.java coordinates 172 */ 173 void viewInvalidate(const WebCore::IntRect& rect); 174 175 /** 176 * Invalidate part of the content that may be offscreen at the moment 177 */ 178 void offInvalidate(const WebCore::IntRect &rect); 179 180 /** 181 * Called by webcore when the progress indicator is done 182 * used to rebuild and display any changes in focus 183 */ 184 void notifyProgressFinished(); 185 186 /** 187 * Notify the view that WebCore did its first layout. 188 */ 189 void didFirstLayout(); 190 191 /** 192 * Notify the view to update the viewport. 193 */ 194 void updateViewport(); 195 196 /** 197 * Notify the view to restore the screen width, which in turn restores 198 * the scale. Also restore the scale for the text wrap. 199 */ 200 void restoreScale(float scale, float textWrapScale); 201 202 /** 203 * Tell the java side to update the focused textfield 204 * @param pointer Pointer to the node for the input field. 205 * @param text This is the new text that should go into the textfield. 206 */ 207 void updateTextfield(WebCore::Node* pointer, const WTF::String& text); 208 209 /** 210 * Tell the java side to update the current selection in the focused 211 * textfield to the WebTextView. This function finds the currently 212 * focused textinput, and passes its selection to java. 213 * If there is no focus, or it is not a text input, this does nothing. 214 */ 215 void updateTextSelection(); 216 217 /** 218 * Updates the java side with the node's content size and scroll 219 * position. 220 */ 221 void updateTextSizeAndScroll(WebCore::Node* node); 222 223 void clearTextEntry(); 224 // JavaScript support 225 void jsAlert(const WTF::String& url, const WTF::String& text); 226 bool jsConfirm(const WTF::String& url, const WTF::String& text); 227 bool jsPrompt(const WTF::String& url, const WTF::String& message, 228 const WTF::String& defaultValue, WTF::String& result); 229 bool jsUnload(const WTF::String& url, const WTF::String& message); 230 bool jsInterrupt(); 231 232 /** 233 * Posts a message to the UI thread to inform the Java side that the 234 * origin has exceeded its database quota. 235 * @param url The URL of the page that caused the quota overflow 236 * @param databaseIdentifier the id of the database that caused the 237 * quota overflow. 238 * @param currentQuota The current quota for the origin 239 * @param estimatedSize The estimated size of the database 240 * @return Whether the message was successfully sent. 241 */ 242 bool exceededDatabaseQuota(const WTF::String& url, 243 const WTF::String& databaseIdentifier, 244 const unsigned long long currentQuota, 245 const unsigned long long estimatedSize); 246 247 /** 248 * Posts a message to the UI thread to inform the Java side that the 249 * appcache has exceeded its max size. 250 * @param spaceNeeded is the amount of disk space that would be needed 251 * in order for the last appcache operation to succeed. 252 * @return Whether the message was successfully sent. 253 */ 254 bool reachedMaxAppCacheSize(const unsigned long long spaceNeeded); 255 256 /** 257 * Set up the PageGroup's idea of which links have been visited, 258 * with the browser history. 259 * @param group the object to deliver the links to. 260 */ 261 void populateVisitedLinks(WebCore::PageGroup*); 262 263 /** 264 * Instruct the browser to show a Geolocation permission prompt for the 265 * specified origin. 266 * @param origin The origin of the frame requesting Geolocation 267 * permissions. 268 */ 269 void geolocationPermissionsShowPrompt(const WTF::String& origin); 270 /** 271 * Instruct the browser to hide the Geolocation permission prompt. 272 */ 273 void geolocationPermissionsHidePrompt(); 274 275 jobject getDeviceMotionService(); 276 jobject getDeviceOrientationService(); 277 278 void addMessageToConsole(const WTF::String& message, unsigned int lineNumber, const WTF::String& sourceID, int msgLevel); 279 280 /** 281 * Tell the Java side of the scrollbar mode 282 */ 283 void setScrollbarModes(WebCore::ScrollbarMode horizontalMode, 284 WebCore::ScrollbarMode verticalMode); 285 286 // 287 // Followings support calls from Java to native WebCore 288 // 289 290 WTF::String retrieveHref(int x, int y); 291 WTF::String retrieveAnchorText(int x, int y); 292 WTF::String retrieveImageSource(int x, int y); 293 WTF::String requestLabel(WebCore::Frame* , WebCore::Node* ); 294 295 // If the focus is a textfield (<input>), textarea, or contentEditable, 296 // scroll the selection on screen (if necessary). 297 void revealSelection(); 298 299 void moveMouse(int x, int y, WebCore::HitTestResult* hoveredNode = 0, 300 bool isClickCandidate = false); 301 302 // set the scroll amount that webview.java is currently showing 303 void setScrollOffset(bool sendScrollEvent, int dx, int dy); 304 305 void setGlobalBounds(int x, int y, int h, int v); 306 307 void setSizeScreenWidthAndScale(int width, int height, int screenWidth, 308 float scale, int realScreenWidth, int screenHeight, int anchorX, 309 int anchorY, bool ignoreHeight); 310 311 /** 312 * Handle key events from Java. 313 * @return Whether keyCode was handled by this class. 314 */ 315 bool key(const WebCore::PlatformKeyboardEvent& event); 316 bool chromeCanTakeFocus(WebCore::FocusDirection direction); 317 void chromeTakeFocus(WebCore::FocusDirection direction); 318 void setInitialFocus(const WebCore::PlatformKeyboardEvent& event); 319 320 /** 321 * Handle touch event 322 * Returns an int with the following flags: 323 * bit 0: hit an event handler 324 * bit 1: preventDefault was called 325 */ 326 int handleTouchEvent(int action, WTF::Vector<int>& ids, 327 WTF::Vector<WebCore::IntPoint>& points, 328 int actionIndex, int metaState); 329 330 /** 331 * Clicks the mouse at its current location 332 */ 333 bool performMouseClick(); 334 335 /** 336 * Sets the index of the label from a popup 337 */ 338 void popupReply(int index); 339 void popupReply(const int* array, int count); 340 341 /** 342 * Delete text from start to end in the focused textfield. 343 * If start == end, set the selection, but perform no deletion. 344 * If there is no focus, silently fail. 345 * If start and end are out of order, swap them. 346 */ 347 void deleteSelection(int start, int end, int textGeneration); 348 349 /** 350 * Set the selection of the currently focused textfield to (start, end). 351 * If start and end are out of order, swap them. 352 */ 353 void setSelection(int start, int end); 354 355 /** 356 * Modifies the current selection. 357 * 358 * Note: Accessibility support. 359 * 360 * direction - The direction in which to alter the selection. 361 * granularity - The granularity of the selection modification. 362 * 363 * returns - The selected HTML as a WTF::String. This is not a well formed 364 * HTML, rather the selection annotated with the tags of all 365 * intermediary elements it crosses. 366 */ 367 WTF::String modifySelection(const int direction, const int granularity); 368 369 /** 370 * Moves the selection to the given node in a given frame i.e. selects that node. 371 * 372 * Note: Accessibility support. 373 * 374 * frame - The frame in which to select is the node to be selected. 375 * node - The node to be selected. 376 * 377 * returns - The selected HTML as a WTF::String. This is not a well formed 378 * HTML, rather the selection annotated with the tags of all 379 * intermediary elements it crosses. 380 */ 381 WTF::String moveSelection(WebCore::Frame* frame, WebCore::Node* node); 382 383 /** 384 * In the currently focused textfield, replace the characters from oldStart to oldEnd 385 * (if oldStart == oldEnd, this will be an insert at that position) with replace, 386 * and set the selection to (start, end). 387 */ 388 void replaceTextfieldText(int oldStart, 389 int oldEnd, const WTF::String& replace, int start, int end, 390 int textGeneration); 391 void passToJs(int generation, 392 const WTF::String& , const WebCore::PlatformKeyboardEvent& ); 393 /** 394 * Scroll the focused textfield to (x, y) in document space 395 */ 396 void scrollFocusedTextInput(float x, int y); 397 /** 398 * Set the FocusController's active and focused states, so that 399 * the caret will draw (true) or not. 400 */ 401 void setFocusControllerActive(bool active); 402 403 void saveDocumentState(WebCore::Frame* frame); 404 405 void addVisitedLink(const UChar*, int); 406 407 // TODO: I don't like this hack but I need to access the java object in 408 // order to send it as a parameter to java 409 AutoJObject getJavaObject(); 410 411 // Return the parent WebView Java object associated with this 412 // WebViewCore. 413 jobject getWebViewJavaObject(); 414 415 void setBackgroundColor(SkColor c); 416 417 void dumpDomTree(bool); 418 void dumpRenderTree(bool); 419 420 /* We maintain a list of active plugins. The list is edited by the 421 pluginview itself. The list is used to service invals to the plugin 422 pageflipping bitmap. 423 */ 424 void addPlugin(PluginWidgetAndroid*); 425 void removePlugin(PluginWidgetAndroid*); 426 // returns true if the pluginwidgit is in our active list 427 bool isPlugin(PluginWidgetAndroid*) const; 428 void invalPlugin(PluginWidgetAndroid*); 429 void drawPlugins(); 430 431 // send the current screen size/zoom to all of the plugins in our list 432 void sendPluginVisibleScreen(); 433 434 // notify plugin that a new drawing surface was created in the UI thread 435 void sendPluginSurfaceReady(); 436 437 // send onLoad event to plugins who are descendents of the given frame 438 void notifyPluginsOnFrameLoad(const WebCore::Frame*); 439 440 // gets a rect representing the current on-screen portion of the document 441 void getVisibleScreen(ANPRectI&); 442 443 // send this event to all of the plugins in our list 444 void sendPluginEvent(const ANPEvent&); 445 446 // lookup the plugin widget struct given an NPP 447 PluginWidgetAndroid* getPluginWidget(NPP npp); 448 449 // Notify the Java side whether it needs to pass down the touch events 450 void needTouchEvents(bool); 451 452 void requestKeyboardWithSelection(const WebCore::Node*, int selStart, int selEnd); 453 // Notify the Java side that webkit is requesting a keyboard 454 void requestKeyboard(bool showKeyboard); 455 456 // Generates a class loader that contains classes from the plugin's apk 457 jclass getPluginClass(const WTF::String& libName, const char* className); 458 459 // Creates a full screen surface for a plugin 460 void showFullScreenPlugin(jobject webkitPlugin, int32_t orientation, NPP npp); 461 462 // Instructs the UI thread to discard the plugin's full-screen surface 463 void hideFullScreenPlugin(); 464 465 // Creates a childView for the plugin but does not attach to the view hierarchy 466 jobject createSurface(jobject view); 467 468 // Adds the plugin's view (aka surface) to the view hierarchy 469 jobject addSurface(jobject view, int x, int y, int width, int height); 470 471 // Updates a Surface coordinates and dimensions for a plugin 472 void updateSurface(jobject childView, int x, int y, int width, int height); 473 474 // Destroys a SurfaceView for a plugin 475 void destroySurface(jobject childView); 476 477 // Returns the context (android.content.Context) of the WebView 478 jobject getContext(); 479 480 // Manages requests to keep the screen on while the WebView is visible 481 void keepScreenOn(bool screenOn); 482 483 // Make the rect (left, top, width, height) visible. If it can be fully 484 // fit, center it on the screen. Otherwise make sure the point specified 485 // by (left + xPercentInDoc * width, top + yPercentInDoc * height) 486 // pinned at the screen position (xPercentInView, yPercentInView). 487 void showRect(int left, int top, int width, int height, int contentWidth, 488 int contentHeight, float xPercentInDoc, float xPercentInView, 489 float yPercentInDoc, float yPercentInView); 490 491 // Scale the rect (x, y, width, height) to make it just fit and centered 492 // in the current view. 493 void centerFitRect(int x, int y, int width, int height); 494 495 // return a list of rects matching the touch point (x, y) with the slop 496 WTF::Vector<WebCore::IntRect> getTouchHighlightRects(int x, int y, int slop, 497 WebCore::Node** node, WebCore::HitTestResult* hitTestResult); 498 // This does a sloppy hit test 499 AndroidHitTestResult hitTestAtPoint(int x, int y, int slop, bool doMoveMouse = false); 500 static bool nodeIsClickableOrFocusable(WebCore::Node* node); 501 502 // Open a file chooser for selecting a file to upload 503 void openFileChooser(PassRefPtr<WebCore::FileChooser> ); 504 505 // reset the picture set to empty 506 void clearContent(); 507 508 // record content in a new BaseLayerAndroid, copying the layer tree as well 509 WebCore::BaseLayerAndroid* recordContent(SkIPoint* ); 510 511 // This creates a new BaseLayerAndroid by copying the current m_content 512 // and doing a copy of the layers. The layers' content may be updated 513 // as we are calling layersSync(). 514 WebCore::BaseLayerAndroid* createBaseLayer(GraphicsLayerAndroid* root); 515 bool updateLayers(WebCore::LayerAndroid*); 516 void notifyAnimationStarted(); 517 518 int textWrapWidth() const { return m_textWrapWidth; } 519 float scale() const { return m_scale; } 520 float textWrapScale() const { return m_screenWidth * m_scale / m_textWrapWidth; } 521 WebCore::Frame* mainFrame() const { return m_mainFrame; } 522 WebCore::Frame* focusedFrame() const; 523 524 void deleteText(int startX, int startY, int endX, int endY); 525 WTF::String getText(int startX, int startY, int endX, int endY); 526 void insertText(const WTF::String &text); 527 528 // find on page 529 void resetFindOnPage(); 530 int findTextOnPage(const WTF::String &text); 531 int findNextOnPage(bool forward); 532 void updateMatchCount() const; 533 534 #if ENABLE(VIDEO) 535 void enterFullscreenForVideoLayer(); 536 void exitFullscreenVideo(); 537 #endif 538 539 void setWebTextViewAutoFillable(int queryId, const string16& previewSummary); 540 541 DeviceMotionAndOrientationManager* deviceMotionAndOrientationManager() { return &m_deviceMotionAndOrientationManager; } 542 GeolocationManager* geolocationManager() { return &m_geolocationManager; } 543 544 void listBoxRequest(WebCoreReply* reply, const uint16_t** labels, 545 size_t count, const int enabled[], size_t enabledCount, 546 bool multiple, const int selected[], size_t selectedCountOrSelection); 547 bool drawIsPaused() const; 548 // The actual content (without title bar) size in doc coordinate 549 int screenWidth() const { return m_screenWidth; } 550 int screenHeight() const { return m_screenHeight; } 551 void setWebRequestContextUserAgent(); 552 void setWebRequestContextCacheMode(int mode); 553 WebRequestContext* webRequestContext(); 554 // Attempts to scroll the layer to the x,y coordinates of rect. The 555 // layer is the id of the LayerAndroid. 556 void scrollRenderLayer(int layer, const SkRect& rect); 557 // call only from webkit thread (like add/remove), return true if inst 558 // is still alive 559 static bool isInstance(WebViewCore*); 560 // if there exists at least one WebViewCore instance then we return the 561 // application context, otherwise NULL is returned. 562 static jobject getApplicationContext(); 563 // Check whether a media mimeType is supported in Android media framework. 564 static bool isSupportedMediaMimeType(const WTF::String& mimeType); 565 566 /** 567 * Returns all text ranges consumed by the cursor points referred 568 * to by startX, startY, endX, and endY. The vector will be empty 569 * if no text is in the given area or if the positions are invalid. 570 */ 571 Vector<WebCore::VisibleSelection> getTextRanges( 572 int startX, int startY, int endX, int endY); 573 static int platformLayerIdFromNode(WebCore::Node* node, 574 WebCore::LayerAndroid** outLayer = 0); 575 void selectText(SelectText::HandleId handleId, int x, int y); 576 bool selectWordAt(int x, int y); 577 578 // Converts from the global content coordinates that WebView sends 579 // to frame-local content coordinates using the focused frame 580 WebCore::IntPoint convertGlobalContentToFrameContent(const WebCore::IntPoint& point, WebCore::Frame* frame = 0); 581 static void layerToAbsoluteOffset(const WebCore::LayerAndroid* layer, 582 WebCore::IntPoint& offset); 583 584 // Retrieves the current locale from system properties 585 void getLocale(String& language, WTF::String& region); 586 587 // Handles changes in system locale 588 void updateLocale(); 589 590 // these members are shared with webview.cpp 591 int m_touchGeneration; // copy of state in WebViewNative triggered by touch 592 int m_lastGeneration; // last action using up to date cache 593 // end of shared members 594 595 void setPrerenderingEnabled(bool enable); 596 597 // internal functions 598 private: 599 enum InputType { 600 NONE = -1, 601 NORMAL_TEXT_FIELD = 0, 602 TEXT_AREA = 1, 603 PASSWORD = 2, 604 SEARCH = 3, 605 EMAIL = 4, 606 NUMBER = 5, 607 TELEPHONE = 6, 608 URL = 7, 609 }; 610 611 WebCore::Node* currentFocus(); 612 void layout(); 613 // Create a set of pictures to represent the drawn DOM, driven by 614 // the invalidated region and the time required to draw (used to draw) 615 void recordPicturePile(); 616 617 virtual void paintContents(WebCore::GraphicsContext* gc, WebCore::IntRect& dirty); 618 virtual SkCanvas* createPrerenderCanvas(WebCore::PrerenderedInval* prerendered); 619 #ifdef CONTEXT_RECORDING 620 WebCore::GraphicsOperationCollection* rebuildGraphicsOperationCollection(const SkIRect& inval); 621 #endif 622 void sendNotifyProgressFinished(); 623 /* 624 * Handle a mouse click, either from a touch or trackball press. 625 * @param frame Pointer to the Frame containing the node that was clicked on. 626 * @param node Pointer to the Node that was clicked on. 627 * @param fake This is a fake mouse click, used to put a textfield into focus. Do not 628 * open the IME. 629 */ 630 WebCore::HTMLAnchorElement* retrieveAnchorElement(int x, int y); 631 WebCore::HTMLElement* retrieveElement(int x, int y, 632 const WebCore::QualifiedName& ); 633 WebCore::HTMLImageElement* retrieveImageElement(int x, int y); 634 // below are members responsible for accessibility support 635 WTF::String modifySelectionTextNavigationAxis(WebCore::DOMSelection* selection, 636 int direction, int granularity); 637 WTF::String modifySelectionDomNavigationAxis(WebCore::DOMSelection* selection, 638 int direction, int granularity); 639 WebCore::Text* traverseNextContentTextNode(WebCore::Node* fromNode, 640 WebCore::Node* toNode, 641 int direction); 642 bool isVisible(WebCore::Node* node); 643 bool isHeading(WebCore::Node* node); 644 WTF::String formatMarkup(WebCore::DOMSelection* selection); 645 void selectAt(int x, int y); 646 647 void scrollNodeIntoView(WebCore::Frame* frame, WebCore::Node* node); 648 bool isContentTextNode(WebCore::Node* node); 649 WebCore::Node* getIntermediaryInputElement(WebCore::Node* fromNode, 650 WebCore::Node* toNode, 651 int direction); 652 bool isContentInputElement(WebCore::Node* node); 653 bool isDescendantOf(WebCore::Node* parent, WebCore::Node* node); 654 void advanceAnchorNode(WebCore::DOMSelection* selection, int direction, 655 WTF::String& markup, bool ignoreFirstNode, 656 WebCore::ExceptionCode& ec); 657 WebCore::Node* getNextAnchorNode(WebCore::Node* anchorNode, 658 bool skipFirstHack, int direction); 659 WebCore::Node* getImplicitBoundaryNode(WebCore::Node* node, 660 unsigned offset, int direction); 661 jobject createTextFieldInitData(WebCore::Node* node); 662 /** 663 * Calls into java to reset the text edit field with the 664 * current contents and selection. 665 */ 666 void initEditField(WebCore::Node* node); 667 668 /** 669 * If node is not a text input field or if it explicitly requests 670 * not to have keyboard input, then the soft keyboard is closed. If 671 * it is a text input field then initEditField is called and 672 * auto-fill information is requested for HTML form input fields. 673 */ 674 void initializeTextInput(WebCore::Node* node, bool fake); 675 676 /** 677 * Gets the input type a Node. NONE is returned if it isn't an 678 * input field. 679 */ 680 InputType getInputType(WebCore::Node* node); 681 682 /** 683 * If node is an input field, the spellcheck value for the 684 * field is returned. Otherwise true is returned. 685 */ 686 static bool isSpellCheckEnabled(WebCore::Node* node); 687 688 /** 689 * Returns the offsets of the selection area for both normal text 690 * fields and content editable fields. start and end are modified 691 * by this method. 692 */ 693 static void getSelectionOffsets(WebCore::Node* node, int& start, int& end); 694 /** 695 * Gets the plain text of the specified editable text field. node 696 * may be content-editable or a plain text fields. 697 */ 698 static WTF::String getInputText(WebCore::Node* node); 699 /** 700 * Gets the RenderTextControl for the given node if it has one. 701 * If its renderer isn't a RenderTextControl, then NULL is returned. 702 */ 703 static WebCore::RenderTextControl* toRenderTextControl(WebCore::Node *node); 704 /** 705 * Sets the selection for node's editable field to the offsets 706 * between start (inclusive) and end (exclusive). 707 */ 708 static void setSelection(WebCore::Node* node, int start, int end); 709 /** 710 * Returns the Position for the given offset for an editable 711 * field. The offset is relative to the node start. 712 */ 713 static WebCore::Position getPositionForOffset(WebCore::Node* node, int offset); 714 715 WebCore::VisiblePosition visiblePositionForContentPoint(int x, int y); 716 WebCore::VisiblePosition visiblePositionForContentPoint(const WebCore::IntPoint& point); 717 bool selectWordAroundPosition(WebCore::Frame* frame, 718 WebCore::VisiblePosition pos); 719 SelectText* createSelectText(const WebCore::VisibleSelection&); 720 void setSelectionCaretInfo(SelectText* selectTextContainer, 721 const WebCore::Position& position, 722 const WebCore::IntPoint& frameOffset, 723 SelectText::HandleId handleId, SelectText::HandleType handleType, 724 int offset, EAffinity affinity); 725 static int getMaxLength(WebCore::Node* node); 726 static WTF::String getFieldName(WebCore::Node* node); 727 static bool isAutoCompleteEnabled(WebCore::Node* node); 728 WebCore::IntRect absoluteClientRect(WebCore::Node* node, 729 WebCore::LayerAndroid* layer); 730 static WebCore::IntRect positionToTextRect(const WebCore::Position& position, 731 WebCore::EAffinity affinity, const WebCore::IntPoint& offset, 732 const WebCore::IntRect& caretRect); 733 static bool isLtr(const WebCore::Position& position); 734 static WebCore::VisiblePosition trimSelectionPosition( 735 const WebCore::VisiblePosition& start, 736 const WebCore::VisiblePosition& stop); 737 738 // called from constructor, to add this to a global list 739 static void addInstance(WebViewCore*); 740 // called from destructor, to remove this from a global list 741 static void removeInstance(WebViewCore*); 742 743 bool prerenderingEnabled(); 744 745 friend class ListBoxReply; 746 struct JavaGlue; 747 struct JavaGlue* m_javaGlue; 748 struct TextFieldInitDataGlue; 749 struct TextFieldInitDataGlue* m_textFieldInitDataGlue; 750 WebCore::Frame* m_mainFrame; 751 WebCoreReply* m_popupReply; 752 WebCore::PicturePile m_content; // the set of pictures to draw 753 // Used in passToJS to avoid updating the UI text field until after the 754 // key event has been processed. 755 bool m_blockTextfieldUpdates; 756 bool m_skipContentDraw; 757 // Passed in with key events to know when they were generated. Store it 758 // with the cache so that we can ignore stale text changes. 759 int m_textGeneration; 760 int m_maxXScroll; 761 int m_maxYScroll; 762 int m_scrollOffsetX; // webview.java's current scroll in X 763 int m_scrollOffsetY; // webview.java's current scroll in Y 764 double m_scrollSetTime; // when the scroll was last set 765 WebCore::IntPoint m_mousePos; 766 // This is the location at which we will click. This is tracked 767 // separately from m_mousePos, because m_mousePos may be updated 768 // in the interval between ACTION_UP and when the click fires since 769 // that occurs after a delay. This also works around potential hardware 770 // issues if we get onHoverEvents when using the touch screen, as that 771 // will nullify the slop checking we do in hitTest (aka, ACTION_DOWN) 772 WebCore::IntPoint m_mouseClickPos; 773 int m_screenWidth; // width of the visible rect in document coordinates 774 int m_screenHeight;// height of the visible rect in document coordinates 775 int m_textWrapWidth; 776 float m_scale; 777 WebCore::PageGroup* m_groupForVisitedLinks; 778 int m_cacheMode; 779 bool m_fullscreenVideoMode; 780 781 // find on page data 782 WTF::String m_searchText; 783 int m_matchCount; 784 int m_activeMatchIndex; 785 RefPtr<WebCore::Range> m_activeMatch; 786 787 SkTDArray<PluginWidgetAndroid*> m_plugins; 788 WebCore::Timer<WebViewCore> m_pluginInvalTimer; 789 void pluginInvalTimerFired(WebCore::Timer<WebViewCore>*) { 790 this->drawPlugins(); 791 } 792 793 int m_screenOnCounter; 794 WebCore::Node* m_currentNodeDomNavigationAxis; 795 DeviceMotionAndOrientationManager m_deviceMotionAndOrientationManager; 796 GeolocationManager m_geolocationManager; 797 798 #if ENABLE(TOUCH_EVENTS) 799 bool m_forwardingTouchEvents; 800 #endif 801 802 scoped_refptr<WebRequestContext> m_webRequestContext; 803 804 WTF::Mutex m_prerenderLock; 805 bool m_prerenderEnabled; 806 }; 807 808 } // namespace android 809 810 #endif // WebViewCore_h 811
