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| 1 /* | |
| 2 * Copyright (C) 2009, 2010, 2011, 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebView_h | |
| 32 #define WebView_h | |
| 33 | |
| 34 #include "../platform/WebString.h" | |
| 35 #include "../platform/WebVector.h" | |
| 36 #include "WebDragOperation.h" | |
| 37 #include "WebPageVisibilityState.h" | |
| 38 #include "WebWidget.h" | |
| 39 | |
| 40 namespace WebKit { | |
| 41 | |
| 42 class WebAccessibilityObject; | |
| 43 class WebAutofillClient; | |
| 44 class WebBatteryStatus; | |
| 45 class WebDevToolsAgent; | |
| 46 class WebDevToolsAgentClient; | |
| 47 class WebDragData; | |
| 48 class WebFrame; | |
| 49 class WebFrameClient; | |
| 50 class WebGraphicsContext3D; | |
| 51 class WebHitTestResult; | |
| 52 class WebNode; | |
| 53 class WebPageOverlay; | |
| 54 class WebPermissionClient; | |
| 55 class WebPrerendererClient; | |
| 56 class WebRange; | |
| 57 class WebSettings; | |
| 58 class WebSpellCheckClient; | |
| 59 class WebString; | |
| 60 class WebTextFieldDecoratorClient; | |
| 61 class WebValidationMessageClient; | |
| 62 class WebViewBenchmarkSupport; | |
| 63 class WebViewClient; | |
| 64 struct WebActiveWheelFlingParameters; | |
| 65 struct WebMediaPlayerAction; | |
| 66 struct WebPluginAction; | |
| 67 struct WebPoint; | |
| 68 | |
| 69 class WebView : public WebWidget { | |
| 70 public: | |
| 71 WEBKIT_EXPORT static const double textSizeMultiplierRatio; | |
| 72 WEBKIT_EXPORT static const double minTextSizeMultiplier; | |
| 73 WEBKIT_EXPORT static const double maxTextSizeMultiplier; | |
| 74 WEBKIT_EXPORT static const float minPageScaleFactor; | |
| 75 WEBKIT_EXPORT static const float maxPageScaleFactor; | |
| 76 | |
| 77 // Controls which frames user content is injected into. | |
| 78 enum UserContentInjectIn { | |
| 79 UserContentInjectInAllFrames, | |
| 80 UserContentInjectInTopFrameOnly | |
| 81 }; | |
| 82 | |
| 83 // Controls which documents user styles are injected into. | |
| 84 enum UserStyleInjectionTime { | |
| 85 UserStyleInjectInExistingDocuments, | |
| 86 UserStyleInjectInSubsequentDocuments | |
| 87 }; | |
| 88 | |
| 89 | |
| 90 // Initialization ------------------------------------------------------ | |
| 91 | |
| 92 // Creates a WebView that is NOT yet initialized. You will need to | |
| 93 // call initializeMainFrame to finish the initialization. It is valid | |
| 94 // to pass null client pointers. | |
| 95 WEBKIT_EXPORT static WebView* create(WebViewClient*); | |
| 96 | |
| 97 // After creating a WebView, you should immediately call this method. | |
| 98 // You can optionally modify the settings before calling this method. | |
| 99 // The WebFrameClient will receive events for the main frame and any | |
| 100 // child frames. It is valid to pass a null WebFrameClient pointer. | |
| 101 virtual void initializeMainFrame(WebFrameClient*) = 0; | |
| 102 | |
| 103 virtual void initializeHelperPluginFrame(WebFrameClient*) = 0; | |
| 104 | |
| 105 // Initializes the various client interfaces. | |
| 106 virtual void setAutofillClient(WebAutofillClient*) = 0; | |
| 107 virtual void setDevToolsAgentClient(WebDevToolsAgentClient*) = 0; | |
| 108 virtual void setPermissionClient(WebPermissionClient*) = 0; | |
| 109 virtual void setPrerendererClient(WebPrerendererClient*) = 0; | |
| 110 virtual void setSpellCheckClient(WebSpellCheckClient*) = 0; | |
| 111 virtual void setValidationMessageClient(WebValidationMessageClient*) = 0; | |
| 112 virtual void addTextFieldDecoratorClient(WebTextFieldDecoratorClient*) = 0; | |
| 113 | |
| 114 | |
| 115 // Options ------------------------------------------------------------- | |
| 116 | |
| 117 // The returned pointer is valid for the lifetime of the WebView. | |
| 118 virtual WebSettings* settings() = 0; | |
| 119 | |
| 120 // Corresponds to the encoding of the main frame. Setting the page | |
| 121 // encoding may cause the main frame to reload. | |
| 122 virtual WebString pageEncoding() const = 0; | |
| 123 virtual void setPageEncoding(const WebString&) = 0; | |
| 124 | |
| 125 // Makes the WebView transparent. This is useful if you want to have | |
| 126 // some custom background rendered behind it. | |
| 127 virtual bool isTransparent() const = 0; | |
| 128 virtual void setIsTransparent(bool) = 0; | |
| 129 | |
| 130 // Controls whether pressing Tab key advances focus to links. | |
| 131 virtual bool tabsToLinks() const = 0; | |
| 132 virtual void setTabsToLinks(bool) = 0; | |
| 133 | |
| 134 // Method that controls whether pressing Tab key cycles through page | |
| 135 // elements or inserts a '\t' char in the focused text area. | |
| 136 virtual bool tabKeyCyclesThroughElements() const = 0; | |
| 137 virtual void setTabKeyCyclesThroughElements(bool) = 0; | |
| 138 | |
| 139 // Controls the WebView's active state, which may affect the rendering | |
| 140 // of elements on the page (i.e., tinting of input elements). | |
| 141 virtual bool isActive() const = 0; | |
| 142 virtual void setIsActive(bool) = 0; | |
| 143 | |
| 144 // Allows disabling domain relaxation. | |
| 145 virtual void setDomainRelaxationForbidden(bool, const WebString& scheme) = 0
; | |
| 146 | |
| 147 | |
| 148 // Closing ------------------------------------------------------------- | |
| 149 | |
| 150 // Runs beforeunload handlers for the current page, returning false if | |
| 151 // any handler suppressed unloading. | |
| 152 virtual bool dispatchBeforeUnloadEvent() = 0; | |
| 153 | |
| 154 // Runs unload handlers for the current page. | |
| 155 virtual void dispatchUnloadEvent() = 0; | |
| 156 | |
| 157 | |
| 158 // Frames -------------------------------------------------------------- | |
| 159 | |
| 160 virtual WebFrame* mainFrame() = 0; | |
| 161 | |
| 162 // Returns the frame identified by the given name. This method | |
| 163 // supports pseudo-names like _self, _top, and _blank. It traverses | |
| 164 // the entire frame tree containing this tree looking for a frame that | |
| 165 // matches the given name. If the optional relativeToFrame parameter | |
| 166 // is specified, then the search begins with the given frame and its | |
| 167 // children. | |
| 168 virtual WebFrame* findFrameByName( | |
| 169 const WebString& name, WebFrame* relativeToFrame = 0) = 0; | |
| 170 | |
| 171 | |
| 172 // Focus --------------------------------------------------------------- | |
| 173 | |
| 174 virtual WebFrame* focusedFrame() = 0; | |
| 175 virtual void setFocusedFrame(WebFrame*) = 0; | |
| 176 | |
| 177 // Focus the first (last if reverse is true) focusable node. | |
| 178 virtual void setInitialFocus(bool reverse) = 0; | |
| 179 | |
| 180 // Clears the focused node (and selection if a text field is focused) | |
| 181 // to ensure that a text field on the page is not eating keystrokes we | |
| 182 // send it. | |
| 183 virtual void clearFocusedNode() = 0; | |
| 184 | |
| 185 // Scrolls the node currently in focus into view. | |
| 186 virtual void scrollFocusedNodeIntoView() = 0; | |
| 187 | |
| 188 // Scrolls the node currently in focus into |rect|, where |rect| is in | |
| 189 // window space. | |
| 190 virtual void scrollFocusedNodeIntoRect(const WebRect&) { } | |
| 191 | |
| 192 // Advance the focus of the WebView forward to the next element or to the | |
| 193 // previous element in the tab sequence (if reverse is true). | |
| 194 virtual void advanceFocus(bool reverse) { } | |
| 195 | |
| 196 // Animate a scale into the specified find-in-page rect. | |
| 197 virtual void zoomToFindInPageRect(const WebRect&) = 0; | |
| 198 | |
| 199 | |
| 200 // Zoom ---------------------------------------------------------------- | |
| 201 | |
| 202 // Returns the current zoom level. 0 is "original size", and each increment | |
| 203 // above or below represents zooming 20% larger or smaller to default limits | |
| 204 // of 300% and 50% of original size, respectively. Only plugins use | |
| 205 // non whole-numbers, since they might choose to have specific zoom level so | |
| 206 // that fixed-width content is fit-to-page-width, for example. | |
| 207 virtual double zoomLevel() = 0; | |
| 208 | |
| 209 // Changes the zoom level to the specified level, clamping at the limits | |
| 210 // noted above, and returns the current zoom level after applying the | |
| 211 // change. | |
| 212 // | |
| 213 // If |textOnly| is set, only the text will be zoomed; otherwise the entire | |
| 214 // page will be zoomed. You can only have either text zoom or full page zoom | |
| 215 // at one time. Changing the mode while the page is zoomed will have odd | |
| 216 // effects. | |
| 217 virtual double setZoomLevel(bool textOnly, double zoomLevel) = 0; | |
| 218 | |
| 219 // Updates the zoom limits for this view. | |
| 220 virtual void zoomLimitsChanged(double minimumZoomLevel, | |
| 221 double maximumZoomLevel) = 0; | |
| 222 | |
| 223 // Helper functions to convert between zoom level and zoom factor. zoom | |
| 224 // factor is zoom percent / 100, so 300% = 3.0. | |
| 225 WEBKIT_EXPORT static double zoomLevelToZoomFactor(double zoomLevel); | |
| 226 WEBKIT_EXPORT static double zoomFactorToZoomLevel(double factor); | |
| 227 | |
| 228 // Sets the initial page scale to the given factor. This scale setting overr
ides | |
| 229 // page scale set in the page's viewport meta tag. | |
| 230 virtual void setInitialPageScaleOverride(float) = 0; | |
| 231 | |
| 232 // Gets the scale factor of the page, where 1.0 is the normal size, > 1.0 | |
| 233 // is scaled up, < 1.0 is scaled down. | |
| 234 virtual float pageScaleFactor() const = 0; | |
| 235 | |
| 236 // Scales the page and the scroll offset by a given factor, while ensuring | |
| 237 // that the new scroll position does not go beyond the edge of the page. | |
| 238 virtual void setPageScaleFactorPreservingScrollOffset(float) = 0; | |
| 239 | |
| 240 // Scales a page by a factor of scaleFactor and then sets a scroll position
to (x, y). | |
| 241 // setPageScaleFactor() magnifies and shrinks a page without affecting layou
t. | |
| 242 // On the other hand, zooming affects layout of the page. | |
| 243 virtual void setPageScaleFactor(float scaleFactor, const WebPoint& origin) =
0; | |
| 244 | |
| 245 // PageScaleFactor will be force-clamped between minPageScale and maxPageSca
le | |
| 246 // (and these values will persist until setPageScaleFactorLimits is called | |
| 247 // again). | |
| 248 virtual void setPageScaleFactorLimits(float minPageScale, float maxPageScale
) = 0; | |
| 249 | |
| 250 virtual float minimumPageScaleFactor() const = 0; | |
| 251 virtual float maximumPageScaleFactor() const = 0; | |
| 252 | |
| 253 // Save the WebView's current scroll and scale state. Each call to this func
tion | |
| 254 // overwrites the previously saved scroll and scale state. | |
| 255 virtual void saveScrollAndScaleState() = 0; | |
| 256 | |
| 257 // Restore the previously saved scroll and scale state. After restoring the | |
| 258 // state, this function deletes any saved scroll and scale state. | |
| 259 virtual void restoreScrollAndScaleState() = 0; | |
| 260 | |
| 261 // Reset any saved values for the scroll and scale state. | |
| 262 virtual void resetScrollAndScaleState() = 0; | |
| 263 | |
| 264 // Prevent the web page from setting min/max scale via the viewport meta | |
| 265 // tag. This is an accessibility feature that lets folks zoom in to web | |
| 266 // pages even if the web page tries to block scaling. | |
| 267 virtual void setIgnoreViewportTagScaleLimits(bool) = 0; | |
| 268 | |
| 269 // Returns the "preferred" contents size, defined as the preferred minimum w
idth of the main document's contents | |
| 270 // and the minimum height required to display the main document without scro
llbars. | |
| 271 // The returned size has the page zoom factor applied. | |
| 272 virtual WebSize contentsPreferredMinimumSize() = 0; | |
| 273 | |
| 274 // FIXME(aelias): Delete this after Chromium switches to the other name. | |
| 275 void setIgnoreViewportTagMaximumScale(bool ignore) { setIgnoreViewportTagSca
leLimits(ignore); } | |
| 276 | |
| 277 // The ratio of the current device's screen DPI to the target device's scree
n DPI. | |
| 278 virtual float deviceScaleFactor() const = 0; | |
| 279 | |
| 280 // Sets the ratio as computed by computePageScaleConstraints. | |
| 281 virtual void setDeviceScaleFactor(float) = 0; | |
| 282 | |
| 283 | |
| 284 // Fixed Layout -------------------------------------------------------- | |
| 285 | |
| 286 // In fixed layout mode, the layout of the page is independent of the | |
| 287 // view port size, given by WebWidget::size(). | |
| 288 | |
| 289 virtual bool isFixedLayoutModeEnabled() const = 0; | |
| 290 virtual void enableFixedLayoutMode(bool enable) = 0; | |
| 291 | |
| 292 virtual WebSize fixedLayoutSize() const = 0; | |
| 293 virtual void setFixedLayoutSize(const WebSize&) = 0; | |
| 294 | |
| 295 | |
| 296 // Auto-Resize ----------------------------------------------------------- | |
| 297 | |
| 298 // In auto-resize mode, the view is automatically adjusted to fit the html | |
| 299 // content within the given bounds. | |
| 300 virtual void enableAutoResizeMode( | |
| 301 const WebSize& minSize, | |
| 302 const WebSize& maxSize) = 0; | |
| 303 | |
| 304 // Turn off auto-resize. | |
| 305 virtual void disableAutoResizeMode() = 0; | |
| 306 | |
| 307 // Media --------------------------------------------------------------- | |
| 308 | |
| 309 // Performs the specified media player action on the node at the given locat
ion. | |
| 310 virtual void performMediaPlayerAction( | |
| 311 const WebMediaPlayerAction&, const WebPoint& location) = 0; | |
| 312 | |
| 313 // Performs the specified plugin action on the node at the given location. | |
| 314 virtual void performPluginAction( | |
| 315 const WebPluginAction&, const WebPoint& location) = 0; | |
| 316 | |
| 317 | |
| 318 // Data exchange ------------------------------------------------------- | |
| 319 | |
| 320 // Do a hit test at given point and return the HitTestResult. | |
| 321 virtual WebHitTestResult hitTestResultAt(const WebPoint&) = 0; | |
| 322 | |
| 323 // Copy to the clipboard the image located at a particular point in the | |
| 324 // WebView (if there is such an image) | |
| 325 virtual void copyImageAt(const WebPoint&) = 0; | |
| 326 | |
| 327 // Notifies the WebView that a drag has terminated. | |
| 328 virtual void dragSourceEndedAt( | |
| 329 const WebPoint& clientPoint, const WebPoint& screenPoint, | |
| 330 WebDragOperation operation) = 0; | |
| 331 | |
| 332 // Notifies the WebView that a drag is going on. | |
| 333 virtual void dragSourceMovedTo( | |
| 334 const WebPoint& clientPoint, const WebPoint& screenPoint, | |
| 335 WebDragOperation operation) = 0; | |
| 336 | |
| 337 // Notfies the WebView that the system drag and drop operation has ended. | |
| 338 virtual void dragSourceSystemDragEnded() = 0; | |
| 339 | |
| 340 // Callback methods when a drag-and-drop operation is trying to drop | |
| 341 // something on the WebView. | |
| 342 virtual WebDragOperation dragTargetDragEnter( | |
| 343 const WebDragData&, | |
| 344 const WebPoint& clientPoint, const WebPoint& screenPoint, | |
| 345 WebDragOperationsMask operationsAllowed, | |
| 346 int keyModifiers) = 0; | |
| 347 virtual WebDragOperation dragTargetDragOver( | |
| 348 const WebPoint& clientPoint, const WebPoint& screenPoint, | |
| 349 WebDragOperationsMask operationsAllowed, | |
| 350 int keyModifiers) = 0; | |
| 351 virtual void dragTargetDragLeave() = 0; | |
| 352 virtual void dragTargetDrop( | |
| 353 const WebPoint& clientPoint, const WebPoint& screenPoint, | |
| 354 int keyModifiers) = 0; | |
| 355 | |
| 356 // Retrieves a list of spelling markers. | |
| 357 virtual void spellingMarkers(WebVector<uint32_t>* markers) = 0; | |
| 358 | |
| 359 | |
| 360 // Support for resource loading initiated by plugins ------------------- | |
| 361 | |
| 362 // Returns next unused request identifier which is unique within the | |
| 363 // parent Page. | |
| 364 virtual unsigned long createUniqueIdentifierForRequest() = 0; | |
| 365 | |
| 366 | |
| 367 // Developer tools ----------------------------------------------------- | |
| 368 | |
| 369 // Inspect a particular point in the WebView. (x = -1 || y = -1) is a | |
| 370 // special case, meaning inspect the current page and not a specific | |
| 371 // point. | |
| 372 virtual void inspectElementAt(const WebPoint&) = 0; | |
| 373 | |
| 374 // Settings used by the inspector. | |
| 375 virtual WebString inspectorSettings() const = 0; | |
| 376 virtual void setInspectorSettings(const WebString&) = 0; | |
| 377 virtual bool inspectorSetting(const WebString& key, | |
| 378 WebString* value) const = 0; | |
| 379 virtual void setInspectorSetting(const WebString& key, | |
| 380 const WebString& value) = 0; | |
| 381 | |
| 382 // The embedder may optionally engage a WebDevToolsAgent. This may only | |
| 383 // be set once per WebView. | |
| 384 virtual WebDevToolsAgent* devToolsAgent() = 0; | |
| 385 | |
| 386 | |
| 387 // Accessibility ------------------------------------------------------- | |
| 388 | |
| 389 // Returns the accessibility object for this view. | |
| 390 virtual WebAccessibilityObject accessibilityObject() = 0; | |
| 391 | |
| 392 | |
| 393 // Autofill ----------------------------------------------------------- | |
| 394 | |
| 395 // Notifies the WebView that Autofill suggestions are available for a node. | |
| 396 // |itemIDs| is a vector of IDs for the menu items. A positive itemID is a | |
| 397 // unique ID for the Autofill entries. Other MenuItemIDs are defined in | |
| 398 // WebAutofillClient.h | |
| 399 virtual void applyAutofillSuggestions( | |
| 400 const WebNode&, | |
| 401 const WebVector<WebString>& names, | |
| 402 const WebVector<WebString>& labels, | |
| 403 const WebVector<WebString>& icons, | |
| 404 const WebVector<int>& itemIDs, | |
| 405 int separatorIndex = -1) = 0; | |
| 406 | |
| 407 // Hides any popup (suggestions, selects...) that might be showing. | |
| 408 virtual void hidePopups() = 0; | |
| 409 | |
| 410 virtual void selectAutofillSuggestionAtIndex(unsigned listIndex) = 0; | |
| 411 | |
| 412 | |
| 413 // Context menu -------------------------------------------------------- | |
| 414 | |
| 415 virtual void performCustomContextMenuAction(unsigned action) = 0; | |
| 416 | |
| 417 // Shows a context menu for the currently focused element. | |
| 418 virtual void showContextMenu() = 0; | |
| 419 | |
| 420 | |
| 421 // Popup menu ---------------------------------------------------------- | |
| 422 | |
| 423 // Sets whether select popup menus should be rendered by the browser. | |
| 424 WEBKIT_EXPORT static void setUseExternalPopupMenus(bool); | |
| 425 | |
| 426 | |
| 427 // Visited link state -------------------------------------------------- | |
| 428 | |
| 429 // Tells all WebView instances to update the visited link state for the | |
| 430 // specified hash. | |
| 431 WEBKIT_EXPORT static void updateVisitedLinkState(unsigned long long hash); | |
| 432 | |
| 433 // Tells all WebView instances to update the visited state for all | |
| 434 // their links. | |
| 435 WEBKIT_EXPORT static void resetVisitedLinkState(); | |
| 436 | |
| 437 | |
| 438 // Custom colors ------------------------------------------------------- | |
| 439 | |
| 440 virtual void setScrollbarColors(unsigned inactiveColor, | |
| 441 unsigned activeColor, | |
| 442 unsigned trackColor) = 0; | |
| 443 | |
| 444 virtual void setSelectionColors(unsigned activeBackgroundColor, | |
| 445 unsigned activeForegroundColor, | |
| 446 unsigned inactiveBackgroundColor, | |
| 447 unsigned inactiveForegroundColor) = 0; | |
| 448 | |
| 449 // User scripts -------------------------------------------------------- | |
| 450 WEBKIT_EXPORT static void addUserStyleSheet(const WebString& sourceCode, | |
| 451 const WebVector<WebString>& patt
erns, | |
| 452 UserContentInjectIn injectIn, | |
| 453 UserStyleInjectionTime injection
Time = UserStyleInjectInSubsequentDocuments); | |
| 454 WEBKIT_EXPORT static void removeAllUserContent(); | |
| 455 | |
| 456 // Modal dialog support ------------------------------------------------ | |
| 457 | |
| 458 // Call these methods before and after running a nested, modal event loop | |
| 459 // to suspend script callbacks and resource loads. | |
| 460 WEBKIT_EXPORT static void willEnterModalLoop(); | |
| 461 WEBKIT_EXPORT static void didExitModalLoop(); | |
| 462 | |
| 463 // Called to inform the WebView that a wheel fling animation was started ext
ernally (for instance | |
| 464 // by the compositor) but must be completed by the WebView. | |
| 465 virtual void transferActiveWheelFlingAnimation(const WebActiveWheelFlingPara
meters&) = 0; | |
| 466 | |
| 467 virtual bool setEditableSelectionOffsets(int start, int end) = 0; | |
| 468 virtual bool setCompositionFromExistingText(int compositionStart, int compos
itionEnd, const WebVector<WebCompositionUnderline>& underlines) = 0; | |
| 469 virtual void extendSelectionAndDelete(int before, int after) = 0; | |
| 470 | |
| 471 virtual bool isSelectionEditable() const = 0; | |
| 472 | |
| 473 virtual void setShowPaintRects(bool) = 0; | |
| 474 virtual void setShowFPSCounter(bool) = 0; | |
| 475 virtual void setContinuousPaintingEnabled(bool) = 0; | |
| 476 | |
| 477 // Benchmarking support ------------------------------------------------- | |
| 478 | |
| 479 virtual WebViewBenchmarkSupport* benchmarkSupport() { return 0; } | |
| 480 | |
| 481 // Visibility ----------------------------------------------------------- | |
| 482 | |
| 483 // Sets the visibility of the WebView. | |
| 484 virtual void setVisibilityState(WebPageVisibilityState visibilityState, | |
| 485 bool isInitialState) { } | |
| 486 | |
| 487 // PageOverlay ---------------------------------------------------------- | |
| 488 | |
| 489 // Adds/removes page overlay to this WebView. These functions change the | |
| 490 // graphical appearance of the WebView. WebPageOverlay paints the | |
| 491 // contents of the page overlay. It also provides an z-order number for | |
| 492 // the page overlay. The z-order number defines the paint order the page | |
| 493 // overlays. Page overlays with larger z-order number will be painted after | |
| 494 // page overlays with smaller z-order number. That is, they appear above | |
| 495 // the page overlays with smaller z-order number. If two page overlays have | |
| 496 // the same z-order number, the later added one will be on top. | |
| 497 virtual void addPageOverlay(WebPageOverlay*, int /*z-order*/) = 0; | |
| 498 virtual void removePageOverlay(WebPageOverlay*) = 0; | |
| 499 | |
| 500 // Battery status API support ------------------------------------------- | |
| 501 | |
| 502 // Updates the battery status in the BatteryClient. This also triggers the | |
| 503 // appropriate JS events (e.g. sends a 'levelchange' event to JS if the | |
| 504 // level is changed in this update from the previous update). | |
| 505 virtual void updateBatteryStatus(const WebBatteryStatus&) { } | |
| 506 | |
| 507 // Testing functionality for TestRunner --------------------------------- | |
| 508 | |
| 509 protected: | |
| 510 ~WebView() {} | |
| 511 }; | |
| 512 | |
| 513 } // namespace WebKit | |
| 514 | |
| 515 #endif | |
| OLD | NEW |
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Chromium Code Reviews
Issue 16623002:
mv public/webview to public/webpage (Closed)
Base URL: svn://svn.chromium.org/blink/trunk