WebKit/chromium/src/ChromiumBridge.cpp
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     1 /*
       
     2  * Copyright (C) 2009 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 #include "config.h"
       
    32 #include "ChromiumBridge.h"
       
    33 
       
    34 #include <googleurl/src/url_util.h>
       
    35 
       
    36 #include "Chrome.h"
       
    37 #include "ChromeClientImpl.h"
       
    38 #include "WebClipboard.h"
       
    39 #include "WebCookie.h"
       
    40 #include "WebCookieJar.h"
       
    41 #include "WebCursorInfo.h"
       
    42 #include "WebData.h"
       
    43 #include "WebDragData.h"
       
    44 #include "WebFileSystem.h"
       
    45 #include "WebFrameClient.h"
       
    46 #include "WebFrameImpl.h"
       
    47 #include "WebImage.h"
       
    48 #include "WebKit.h"
       
    49 #include "WebKitClient.h"
       
    50 #include "WebMimeRegistry.h"
       
    51 #include "WebPluginContainerImpl.h"
       
    52 #include "WebPluginListBuilderImpl.h"
       
    53 #include "WebSandboxSupport.h"
       
    54 #include "WebScreenInfo.h"
       
    55 #include "WebString.h"
       
    56 #include "WebURL.h"
       
    57 #include "WebVector.h"
       
    58 #include "WebViewClient.h"
       
    59 #include "WebViewImpl.h"
       
    60 #include "WebWorkerClientImpl.h"
       
    61 
       
    62 #if OS(WINDOWS)
       
    63 #include "WebRect.h"
       
    64 #include "WebThemeEngine.h"
       
    65 #endif
       
    66 
       
    67 #if OS(LINUX)
       
    68 #include "WebFontInfo.h"
       
    69 #include "WebFontRenderStyle.h"
       
    70 #endif
       
    71 
       
    72 #if WEBKIT_USING_SKIA
       
    73 #include "NativeImageSkia.h"
       
    74 #endif
       
    75 
       
    76 #include "BitmapImage.h"
       
    77 #include "Cookie.h"
       
    78 #include "FrameView.h"
       
    79 #include "GraphicsContext.h"
       
    80 #include "IndexedDatabaseProxy.h"
       
    81 #include "KURL.h"
       
    82 #include "NotImplemented.h"
       
    83 #include "PlatformContextSkia.h"
       
    84 #include "PluginData.h"
       
    85 #include "SharedBuffer.h"
       
    86 #include "WebGeolocationServiceBridgeImpl.h"
       
    87 #include "Worker.h"
       
    88 #include "WorkerContextProxy.h"
       
    89 #include <wtf/Assertions.h>
       
    90 
       
    91 // We are part of the WebKit implementation.
       
    92 using namespace WebKit;
       
    93 
       
    94 namespace WebCore {
       
    95 
       
    96 static ChromeClientImpl* toChromeClientImpl(Widget* widget)
       
    97 {
       
    98     if (!widget)
       
    99         return 0;
       
   100 
       
   101     FrameView* view;
       
   102     if (widget->isFrameView())
       
   103         view = static_cast<FrameView*>(widget);
       
   104     else if (widget->parent() && widget->parent()->isFrameView())
       
   105         view = static_cast<FrameView*>(widget->parent());
       
   106     else
       
   107         return 0;
       
   108 
       
   109     Page* page = view->frame() ? view->frame()->page() : 0;
       
   110     if (!page)
       
   111         return 0;
       
   112 
       
   113     return static_cast<ChromeClientImpl*>(page->chrome()->client());
       
   114 }
       
   115 
       
   116 static WebWidgetClient* toWebWidgetClient(Widget* widget)
       
   117 {
       
   118     ChromeClientImpl* chromeClientImpl = toChromeClientImpl(widget);
       
   119     if (!chromeClientImpl || !chromeClientImpl->webView())
       
   120         return 0;
       
   121     return chromeClientImpl->webView()->client();
       
   122 }
       
   123 
       
   124 static WebCookieJar* getCookieJar(const Document* document)
       
   125 {
       
   126     WebFrameImpl* frameImpl = WebFrameImpl::fromFrame(document->frame());
       
   127     if (!frameImpl || !frameImpl->client())
       
   128         return 0;
       
   129     WebCookieJar* cookieJar = frameImpl->client()->cookieJar();
       
   130     if (!cookieJar)
       
   131         cookieJar = webKitClient()->cookieJar();
       
   132     return cookieJar;
       
   133 }
       
   134 
       
   135 // Cache ----------------------------------------------------------------------
       
   136 
       
   137 void ChromiumBridge::cacheMetadata(const KURL& url, double responseTime, const Vector<char>& data)
       
   138 {
       
   139     webKitClient()->cacheMetadata(url, responseTime, data.data(), data.size());
       
   140 }
       
   141 
       
   142 // Clipboard ------------------------------------------------------------------
       
   143 
       
   144 bool ChromiumBridge::clipboardIsFormatAvailable(
       
   145     PasteboardPrivate::ClipboardFormat format,
       
   146     PasteboardPrivate::ClipboardBuffer buffer)
       
   147 {
       
   148     return webKitClient()->clipboard()->isFormatAvailable(
       
   149         static_cast<WebClipboard::Format>(format),
       
   150         static_cast<WebClipboard::Buffer>(buffer));
       
   151 }
       
   152 
       
   153 String ChromiumBridge::clipboardReadPlainText(
       
   154     PasteboardPrivate::ClipboardBuffer buffer)
       
   155 {
       
   156     return webKitClient()->clipboard()->readPlainText(
       
   157         static_cast<WebClipboard::Buffer>(buffer));
       
   158 }
       
   159 
       
   160 void ChromiumBridge::clipboardReadHTML(
       
   161     PasteboardPrivate::ClipboardBuffer buffer,
       
   162     String* htmlText, KURL* sourceURL)
       
   163 {
       
   164     WebURL url;
       
   165     *htmlText = webKitClient()->clipboard()->readHTML(
       
   166         static_cast<WebClipboard::Buffer>(buffer), &url);
       
   167     *sourceURL = url;
       
   168 }
       
   169 
       
   170 void ChromiumBridge::clipboardWriteSelection(const String& htmlText,
       
   171                                              const KURL& sourceURL,
       
   172                                              const String& plainText,
       
   173                                              bool writeSmartPaste)
       
   174 {
       
   175     webKitClient()->clipboard()->writeHTML(
       
   176         htmlText, sourceURL, plainText, writeSmartPaste);
       
   177 }
       
   178 
       
   179 void ChromiumBridge::clipboardWritePlainText(const String& plainText)
       
   180 {
       
   181     webKitClient()->clipboard()->writePlainText(plainText);
       
   182 }
       
   183 
       
   184 void ChromiumBridge::clipboardWriteURL(const KURL& url, const String& title)
       
   185 {
       
   186     webKitClient()->clipboard()->writeURL(url, title);
       
   187 }
       
   188 
       
   189 void ChromiumBridge::clipboardWriteImage(NativeImagePtr image,
       
   190                                          const KURL& sourceURL,
       
   191                                          const String& title)
       
   192 {
       
   193 #if WEBKIT_USING_SKIA
       
   194     WebImage webImage(*image);
       
   195 #else
       
   196     WebImage webImage(image);
       
   197 #endif
       
   198     webKitClient()->clipboard()->writeImage(webImage, sourceURL, title);
       
   199 }
       
   200 
       
   201 void ChromiumBridge::clipboardWriteData(ClipboardData* data)
       
   202 {
       
   203     notImplemented();
       
   204     WebDragData dragData; // FIXME: Define the conversion from ClipboardData to WebDragData.
       
   205     webKitClient()->clipboard()->writeData(dragData);
       
   206 }
       
   207 
       
   208 HashSet<String> ChromiumBridge::clipboardReadAvailableTypes(
       
   209     PasteboardPrivate::ClipboardBuffer buffer, bool* containsFilenames)
       
   210 {
       
   211     WebVector<WebString> result = webKitClient()->clipboard()->readAvailableTypes(
       
   212         static_cast<WebClipboard::Buffer>(buffer), containsFilenames);
       
   213     HashSet<String> types;
       
   214     for (size_t i = 0; i < result.size(); ++i)
       
   215         types.add(result[i]);
       
   216     return types;
       
   217 }
       
   218 
       
   219 bool ChromiumBridge::clipboardReadData(PasteboardPrivate::ClipboardBuffer buffer,
       
   220                                        const String& type, String& data, String& metadata)
       
   221 {
       
   222     WebString resultData;
       
   223     WebString resultMetadata;
       
   224     bool succeeded = webKitClient()->clipboard()->readData(
       
   225         static_cast<WebClipboard::Buffer>(buffer), type, &resultData, &resultMetadata);
       
   226     if (succeeded) {
       
   227         data = resultData;
       
   228         metadata = resultMetadata;
       
   229     }
       
   230     return succeeded;
       
   231 }
       
   232 
       
   233 Vector<String> ChromiumBridge::clipboardReadFilenames(PasteboardPrivate::ClipboardBuffer buffer)
       
   234 {
       
   235     WebVector<WebString> result = webKitClient()->clipboard()->readFilenames(
       
   236         static_cast<WebClipboard::Buffer>(buffer));
       
   237     Vector<String> convertedResult;
       
   238     for (size_t i = 0; i < result.size(); ++i)
       
   239         convertedResult.append(result[i]);
       
   240     return convertedResult;
       
   241 }
       
   242 
       
   243 // Cookies --------------------------------------------------------------------
       
   244 
       
   245 void ChromiumBridge::setCookies(const Document* document, const KURL& url,
       
   246                                 const String& value)
       
   247 {
       
   248     WebCookieJar* cookieJar = getCookieJar(document);
       
   249     if (cookieJar)
       
   250         cookieJar->setCookie(url, document->firstPartyForCookies(), value);
       
   251 }
       
   252 
       
   253 String ChromiumBridge::cookies(const Document* document, const KURL& url)
       
   254 {
       
   255     String result;
       
   256     WebCookieJar* cookieJar = getCookieJar(document);
       
   257     if (cookieJar)
       
   258         result = cookieJar->cookies(url, document->firstPartyForCookies());
       
   259     return result;
       
   260 }
       
   261 
       
   262 String ChromiumBridge::cookieRequestHeaderFieldValue(const Document* document,
       
   263                                                      const KURL& url)
       
   264 {
       
   265     String result;
       
   266     WebCookieJar* cookieJar = getCookieJar(document);
       
   267     if (cookieJar)
       
   268         result = cookieJar->cookieRequestHeaderFieldValue(url, document->firstPartyForCookies());
       
   269     return result;
       
   270 }
       
   271 
       
   272 bool ChromiumBridge::rawCookies(const Document* document, const KURL& url, Vector<Cookie>& rawCookies)
       
   273 {
       
   274     rawCookies.clear();
       
   275     WebVector<WebCookie> webCookies;
       
   276 
       
   277     WebCookieJar* cookieJar = getCookieJar(document);
       
   278     if (cookieJar)
       
   279         cookieJar->rawCookies(url, document->firstPartyForCookies(), webCookies);
       
   280 
       
   281     for (unsigned i = 0; i < webCookies.size(); ++i) {
       
   282         const WebCookie& webCookie = webCookies[i];
       
   283         Cookie cookie(webCookie.name,
       
   284                       webCookie.value,
       
   285                       webCookie.domain,
       
   286                       webCookie.path,
       
   287                       webCookie.expires,
       
   288                       webCookie.httpOnly,
       
   289                       webCookie.secure,
       
   290                       webCookie.session);
       
   291         rawCookies.append(cookie);
       
   292     }
       
   293     return true;
       
   294 }
       
   295 
       
   296 void ChromiumBridge::deleteCookie(const Document* document, const KURL& url, const String& cookieName)
       
   297 {
       
   298     WebCookieJar* cookieJar = getCookieJar(document);
       
   299     if (cookieJar)
       
   300         cookieJar->deleteCookie(url, cookieName);
       
   301 }
       
   302 
       
   303 bool ChromiumBridge::cookiesEnabled(const Document* document)
       
   304 {
       
   305     bool result = false;
       
   306     WebCookieJar* cookieJar = getCookieJar(document);
       
   307     if (cookieJar)
       
   308         result = cookieJar->cookiesEnabled(document->cookieURL(), document->firstPartyForCookies());
       
   309     return result;
       
   310 }
       
   311 
       
   312 // DNS ------------------------------------------------------------------------
       
   313 
       
   314 void ChromiumBridge::prefetchDNS(const String& hostname)
       
   315 {
       
   316     webKitClient()->prefetchHostName(hostname);
       
   317 }
       
   318 
       
   319 // File ------------------------------------------------------------------------
       
   320 
       
   321 bool ChromiumBridge::fileExists(const String& path)
       
   322 {
       
   323     return webKitClient()->fileSystem()->fileExists(path);
       
   324 }
       
   325 
       
   326 bool ChromiumBridge::deleteFile(const String& path)
       
   327 {
       
   328     return webKitClient()->fileSystem()->deleteFile(path);
       
   329 }
       
   330 
       
   331 bool ChromiumBridge::deleteEmptyDirectory(const String& path)
       
   332 {
       
   333     return webKitClient()->fileSystem()->deleteEmptyDirectory(path);
       
   334 }
       
   335 
       
   336 bool ChromiumBridge::getFileSize(const String& path, long long& result)
       
   337 {
       
   338     return webKitClient()->fileSystem()->getFileSize(path, result);
       
   339 }
       
   340 
       
   341 bool ChromiumBridge::getFileModificationTime(const String& path, time_t& result)
       
   342 {
       
   343     double modificationTime;
       
   344     if (!webKitClient()->fileSystem()->getFileModificationTime(path, modificationTime))
       
   345         return false;
       
   346     result = static_cast<time_t>(modificationTime);
       
   347     return true;
       
   348 }
       
   349 
       
   350 String ChromiumBridge::directoryName(const String& path)
       
   351 {
       
   352     return webKitClient()->fileSystem()->directoryName(path);
       
   353 }
       
   354 
       
   355 String ChromiumBridge::pathByAppendingComponent(const String& path, const String& component)
       
   356 {
       
   357     return webKitClient()->fileSystem()->pathByAppendingComponent(path, component);
       
   358 }
       
   359 
       
   360 bool ChromiumBridge::makeAllDirectories(const String& path)
       
   361 {
       
   362     return webKitClient()->fileSystem()->makeAllDirectories(path);
       
   363 }
       
   364 
       
   365 String ChromiumBridge::getAbsolutePath(const String& path)
       
   366 {
       
   367     return webKitClient()->fileSystem()->getAbsolutePath(path);
       
   368 }
       
   369 
       
   370 bool ChromiumBridge::isDirectory(const String& path)
       
   371 {
       
   372     return webKitClient()->fileSystem()->isDirectory(path);
       
   373 }
       
   374 
       
   375 KURL ChromiumBridge::filePathToURL(const String& path)
       
   376 {
       
   377     return webKitClient()->fileSystem()->filePathToURL(path);
       
   378 }
       
   379 
       
   380 PlatformFileHandle ChromiumBridge::openFile(const String& path, FileOpenMode mode)
       
   381 {
       
   382     return webKitClient()->fileSystem()->openFile(path, mode);
       
   383 }
       
   384 
       
   385 void ChromiumBridge::closeFile(PlatformFileHandle& handle)
       
   386 {
       
   387     webKitClient()->fileSystem()->closeFile(handle);
       
   388 }
       
   389 
       
   390 long long ChromiumBridge::seekFile(PlatformFileHandle handle, long long offset, FileSeekOrigin origin)
       
   391 {
       
   392     return webKitClient()->fileSystem()->seekFile(handle, offset, origin);
       
   393 }
       
   394 
       
   395 bool ChromiumBridge::truncateFile(PlatformFileHandle handle, long long offset)
       
   396 {
       
   397     return webKitClient()->fileSystem()->truncateFile(handle, offset);
       
   398 }
       
   399 
       
   400 int ChromiumBridge::readFromFile(PlatformFileHandle handle, char* data, int length)
       
   401 {
       
   402     return webKitClient()->fileSystem()->readFromFile(handle, data, length);
       
   403 }
       
   404 
       
   405 int ChromiumBridge::writeToFile(PlatformFileHandle handle, const char* data, int length)
       
   406 {
       
   407     return webKitClient()->fileSystem()->writeToFile(handle, data, length);
       
   408 }
       
   409 
       
   410 // Font -----------------------------------------------------------------------
       
   411 
       
   412 #if OS(WINDOWS)
       
   413 bool ChromiumBridge::ensureFontLoaded(HFONT font)
       
   414 {
       
   415     WebSandboxSupport* ss = webKitClient()->sandboxSupport();
       
   416 
       
   417     // if there is no sandbox, then we can assume the font
       
   418     // was able to be loaded successfully already
       
   419     return ss ? ss->ensureFontLoaded(font) : true;
       
   420 }
       
   421 #endif
       
   422 
       
   423 #if OS(LINUX)
       
   424 String ChromiumBridge::getFontFamilyForCharacters(const UChar* characters, size_t numCharacters)
       
   425 {
       
   426     if (webKitClient()->sandboxSupport())
       
   427         return webKitClient()->sandboxSupport()->getFontFamilyForCharacters(characters, numCharacters);
       
   428 
       
   429     WebCString family = WebFontInfo::familyForChars(characters, numCharacters);
       
   430     if (family.data())
       
   431         return WebString::fromUTF8(family.data());
       
   432 
       
   433     return WebString();
       
   434 }
       
   435 
       
   436 void ChromiumBridge::getRenderStyleForStrike(const char* font, int sizeAndStyle, FontRenderStyle* result)
       
   437 {
       
   438     WebFontRenderStyle style;
       
   439 
       
   440     if (webKitClient()->sandboxSupport())
       
   441         webKitClient()->sandboxSupport()->getRenderStyleForStrike(font, sizeAndStyle, &style);
       
   442     else
       
   443         WebFontInfo::renderStyleForStrike(font, sizeAndStyle, &style);
       
   444 
       
   445     style.toFontRenderStyle(result);
       
   446 }
       
   447 #endif
       
   448 
       
   449 #if OS(DARWIN)
       
   450 bool ChromiumBridge::loadFont(NSFont* srcFont, ATSFontContainerRef* out)
       
   451 {
       
   452     WebSandboxSupport* ss = webKitClient()->sandboxSupport();
       
   453     if (ss)
       
   454         return ss->loadFont(srcFont, out);
       
   455 
       
   456     // This function should only be called in response to an error loading a
       
   457     // font due to being blocked by the sandbox.
       
   458     // This by definition shouldn't happen if there is no sandbox support.
       
   459     ASSERT_NOT_REACHED();
       
   460     *out = 0;
       
   461     return false;
       
   462 }
       
   463 #endif
       
   464 
       
   465 // Geolocation ----------------------------------------------------------------
       
   466 
       
   467 GeolocationServiceBridge* ChromiumBridge::createGeolocationServiceBridge(GeolocationServiceChromium* geolocationServiceChromium)
       
   468 {
       
   469     return createGeolocationServiceBridgeImpl(geolocationServiceChromium);
       
   470 }
       
   471 
       
   472 // HTML5 DB -------------------------------------------------------------------
       
   473 
       
   474 #if ENABLE(DATABASE)
       
   475 PlatformFileHandle ChromiumBridge::databaseOpenFile(const String& vfsFileName, int desiredFlags)
       
   476 {
       
   477     return webKitClient()->databaseOpenFile(WebString(vfsFileName), desiredFlags);
       
   478 }
       
   479 
       
   480 int ChromiumBridge::databaseDeleteFile(const String& vfsFileName, bool syncDir)
       
   481 {
       
   482     return webKitClient()->databaseDeleteFile(WebString(vfsFileName), syncDir);
       
   483 }
       
   484 
       
   485 long ChromiumBridge::databaseGetFileAttributes(const String& vfsFileName)
       
   486 {
       
   487     return webKitClient()->databaseGetFileAttributes(WebString(vfsFileName));
       
   488 }
       
   489 
       
   490 long long ChromiumBridge::databaseGetFileSize(const String& vfsFileName)
       
   491 {
       
   492     return webKitClient()->databaseGetFileSize(WebString(vfsFileName));
       
   493 }
       
   494 #endif
       
   495 
       
   496 // Indexed Database -----------------------------------------------------------
       
   497 
       
   498 PassRefPtr<IndexedDatabase> ChromiumBridge::indexedDatabase()
       
   499 {
       
   500     // There's no reason why we need to allocate a new proxy each time, but
       
   501     // there's also no strong reason not to.
       
   502     return IndexedDatabaseProxy::create();
       
   503 }
       
   504 
       
   505 // Keygen ---------------------------------------------------------------------
       
   506 
       
   507 String ChromiumBridge::signedPublicKeyAndChallengeString(
       
   508     unsigned keySizeIndex, const String& challenge, const KURL& url)
       
   509 {
       
   510     return webKitClient()->signedPublicKeyAndChallengeString(keySizeIndex,
       
   511                                                              WebString(challenge),
       
   512                                                              WebURL(url));
       
   513 }
       
   514 
       
   515 // Language -------------------------------------------------------------------
       
   516 
       
   517 String ChromiumBridge::computedDefaultLanguage()
       
   518 {
       
   519     return webKitClient()->defaultLocale();
       
   520 }
       
   521 
       
   522 // LayoutTestMode -------------------------------------------------------------
       
   523 
       
   524 bool ChromiumBridge::layoutTestMode()
       
   525 {
       
   526     return WebKit::layoutTestMode();
       
   527 }
       
   528 
       
   529 // MimeType -------------------------------------------------------------------
       
   530 
       
   531 bool ChromiumBridge::isSupportedImageMIMEType(const String& mimeType)
       
   532 {
       
   533     return webKitClient()->mimeRegistry()->supportsImageMIMEType(mimeType)
       
   534         != WebMimeRegistry::IsNotSupported;
       
   535 }
       
   536 
       
   537 bool ChromiumBridge::isSupportedJavaScriptMIMEType(const String& mimeType)
       
   538 {
       
   539     return webKitClient()->mimeRegistry()->supportsJavaScriptMIMEType(mimeType)
       
   540         != WebMimeRegistry::IsNotSupported;
       
   541 }
       
   542 
       
   543 bool ChromiumBridge::isSupportedNonImageMIMEType(const String& mimeType)
       
   544 {
       
   545     return webKitClient()->mimeRegistry()->supportsNonImageMIMEType(mimeType)
       
   546         != WebMimeRegistry::IsNotSupported;
       
   547 }
       
   548 
       
   549 String ChromiumBridge::mimeTypeForExtension(const String& extension)
       
   550 {
       
   551     return webKitClient()->mimeRegistry()->mimeTypeForExtension(extension);
       
   552 }
       
   553 
       
   554 String ChromiumBridge::mimeTypeFromFile(const String& path)
       
   555 {
       
   556     return webKitClient()->mimeRegistry()->mimeTypeFromFile(path);
       
   557 }
       
   558 
       
   559 String ChromiumBridge::preferredExtensionForMIMEType(const String& mimeType)
       
   560 {
       
   561     return webKitClient()->mimeRegistry()->preferredExtensionForMIMEType(mimeType);
       
   562 }
       
   563 
       
   564 // Plugin ---------------------------------------------------------------------
       
   565 
       
   566 bool ChromiumBridge::plugins(bool refresh, Vector<PluginInfo>* results)
       
   567 {
       
   568     WebPluginListBuilderImpl builder(results);
       
   569     webKitClient()->getPluginList(refresh, &builder);
       
   570     return true;  // FIXME: There is no need for this function to return a value.
       
   571 }
       
   572 
       
   573 NPObject* ChromiumBridge::pluginScriptableObject(Widget* widget)
       
   574 {
       
   575     if (!widget)
       
   576         return 0;
       
   577 
       
   578     ASSERT(!widget->isFrameView());
       
   579 
       
   580     // NOTE:  We have to trust that the widget passed to us here is a
       
   581     // WebPluginContainerImpl.  There isn't a way to dynamically verify it,
       
   582     // since the derived class (Widget) has no identifier.
       
   583     return static_cast<WebPluginContainerImpl*>(widget)->scriptableObject();
       
   584 }
       
   585 
       
   586 // Resources ------------------------------------------------------------------
       
   587 
       
   588 PassRefPtr<Image> ChromiumBridge::loadPlatformImageResource(const char* name)
       
   589 {
       
   590     const WebData& resource = webKitClient()->loadResource(name);
       
   591     if (resource.isEmpty())
       
   592         return Image::nullImage();
       
   593 
       
   594     RefPtr<Image> image = BitmapImage::create();
       
   595     image->setData(resource, true);
       
   596     return image;
       
   597 }
       
   598 
       
   599 // Sandbox --------------------------------------------------------------------
       
   600 
       
   601 bool ChromiumBridge::sandboxEnabled()
       
   602 {
       
   603     return webKitClient()->sandboxEnabled();
       
   604 }
       
   605 
       
   606 // SharedTimers ---------------------------------------------------------------
       
   607 
       
   608 void ChromiumBridge::setSharedTimerFiredFunction(void (*func)())
       
   609 {
       
   610     webKitClient()->setSharedTimerFiredFunction(func);
       
   611 }
       
   612 
       
   613 void ChromiumBridge::setSharedTimerFireTime(double fireTime)
       
   614 {
       
   615     webKitClient()->setSharedTimerFireTime(fireTime);
       
   616 }
       
   617 
       
   618 void ChromiumBridge::stopSharedTimer()
       
   619 {
       
   620     webKitClient()->stopSharedTimer();
       
   621 }
       
   622 
       
   623 // StatsCounters --------------------------------------------------------------
       
   624 
       
   625 void ChromiumBridge::decrementStatsCounter(const char* name)
       
   626 {
       
   627     webKitClient()->decrementStatsCounter(name);
       
   628 }
       
   629 
       
   630 void ChromiumBridge::incrementStatsCounter(const char* name)
       
   631 {
       
   632     webKitClient()->incrementStatsCounter(name);
       
   633 }
       
   634 
       
   635 // Sudden Termination ---------------------------------------------------------
       
   636 
       
   637 void ChromiumBridge::suddenTerminationChanged(bool enabled)
       
   638 {
       
   639     webKitClient()->suddenTerminationChanged(enabled);
       
   640 }
       
   641 
       
   642 // SystemTime -----------------------------------------------------------------
       
   643 
       
   644 double ChromiumBridge::currentTime()
       
   645 {
       
   646     return webKitClient()->currentTime();
       
   647 }
       
   648 
       
   649 // Theming --------------------------------------------------------------------
       
   650 
       
   651 #if OS(WINDOWS)
       
   652 
       
   653 void ChromiumBridge::paintButton(
       
   654     GraphicsContext* gc, int part, int state, int classicState,
       
   655     const IntRect& rect)
       
   656 {
       
   657     webKitClient()->themeEngine()->paintButton(
       
   658         gc->platformContext()->canvas(), part, state, classicState, rect);
       
   659 }
       
   660 
       
   661 void ChromiumBridge::paintMenuList(
       
   662     GraphicsContext* gc, int part, int state, int classicState,
       
   663     const IntRect& rect)
       
   664 {
       
   665     webKitClient()->themeEngine()->paintMenuList(
       
   666         gc->platformContext()->canvas(), part, state, classicState, rect);
       
   667 }
       
   668 
       
   669 void ChromiumBridge::paintScrollbarArrow(
       
   670     GraphicsContext* gc, int state, int classicState,
       
   671     const IntRect& rect)
       
   672 {
       
   673     webKitClient()->themeEngine()->paintScrollbarArrow(
       
   674         gc->platformContext()->canvas(), state, classicState, rect);
       
   675 }
       
   676 
       
   677 void ChromiumBridge::paintScrollbarThumb(
       
   678     GraphicsContext* gc, int part, int state, int classicState,
       
   679     const IntRect& rect)
       
   680 {
       
   681     webKitClient()->themeEngine()->paintScrollbarThumb(
       
   682         gc->platformContext()->canvas(), part, state, classicState, rect);
       
   683 }
       
   684 
       
   685 void ChromiumBridge::paintScrollbarTrack(
       
   686     GraphicsContext* gc, int part, int state, int classicState,
       
   687     const IntRect& rect, const IntRect& alignRect)
       
   688 {
       
   689     webKitClient()->themeEngine()->paintScrollbarTrack(
       
   690         gc->platformContext()->canvas(), part, state, classicState, rect,
       
   691         alignRect);
       
   692 }
       
   693 
       
   694 void ChromiumBridge::paintSpinButton(
       
   695     GraphicsContext* gc, int part, int state, int classicState,
       
   696     const IntRect& rect)
       
   697 {
       
   698     webKitClient()->themeEngine()->paintSpinButton(
       
   699         gc->platformContext()->canvas(), part, state, classicState, rect);
       
   700 }
       
   701 
       
   702 void ChromiumBridge::paintTextField(
       
   703     GraphicsContext* gc, int part, int state, int classicState,
       
   704     const IntRect& rect, const Color& color, bool fillContentArea,
       
   705     bool drawEdges)
       
   706 {
       
   707     // Fallback to white when |color| is invalid.
       
   708     RGBA32 backgroundColor = color.isValid() ? color.rgb() : Color::white;
       
   709 
       
   710     webKitClient()->themeEngine()->paintTextField(
       
   711         gc->platformContext()->canvas(), part, state, classicState, rect,
       
   712         backgroundColor, fillContentArea, drawEdges);
       
   713 }
       
   714 
       
   715 void ChromiumBridge::paintTrackbar(
       
   716     GraphicsContext* gc, int part, int state, int classicState,
       
   717     const IntRect& rect)
       
   718 {
       
   719     webKitClient()->themeEngine()->paintTrackbar(
       
   720         gc->platformContext()->canvas(), part, state, classicState, rect);
       
   721 }
       
   722 
       
   723 void ChromiumBridge::paintProgressBar(
       
   724     GraphicsContext* gc, const IntRect& barRect, const IntRect& valueRect, bool determinate, double animatedSeconds)
       
   725 {
       
   726     webKitClient()->themeEngine()->paintProgressBar(
       
   727         gc->platformContext()->canvas(), barRect, valueRect, determinate, animatedSeconds);
       
   728 }
       
   729 
       
   730 #endif
       
   731 
       
   732 // Trace Event ----------------------------------------------------------------
       
   733 
       
   734 void ChromiumBridge::traceEventBegin(const char* name, void* id, const char* extra)
       
   735 {
       
   736     webKitClient()->traceEventBegin(name, id, extra);
       
   737 }
       
   738 
       
   739 void ChromiumBridge::traceEventEnd(const char* name, void* id, const char* extra)
       
   740 {
       
   741     webKitClient()->traceEventEnd(name, id, extra);
       
   742 }
       
   743 
       
   744 // Visited Links --------------------------------------------------------------
       
   745 
       
   746 LinkHash ChromiumBridge::visitedLinkHash(const UChar* url, unsigned length)
       
   747 {
       
   748     url_canon::RawCanonOutput<2048> buffer;
       
   749     url_parse::Parsed parsed;
       
   750     if (!url_util::Canonicalize(url, length, 0, &buffer, &parsed))
       
   751         return 0;  // Invalid URLs are unvisited.
       
   752     return webKitClient()->visitedLinkHash(buffer.data(), buffer.length());
       
   753 }
       
   754 
       
   755 LinkHash ChromiumBridge::visitedLinkHash(const KURL& base,
       
   756                                          const AtomicString& attributeURL)
       
   757 {
       
   758     // Resolve the relative URL using googleurl and pass the absolute URL up to
       
   759     // the embedder. We could create a GURL object from the base and resolve
       
   760     // the relative URL that way, but calling the lower-level functions
       
   761     // directly saves us the string allocation in most cases.
       
   762     url_canon::RawCanonOutput<2048> buffer;
       
   763     url_parse::Parsed parsed;
       
   764 
       
   765 #if USE(GOOGLEURL)
       
   766     const CString& cstr = base.utf8String();
       
   767     const char* data = cstr.data();
       
   768     int length = cstr.length();
       
   769     const url_parse::Parsed& srcParsed = base.parsed();
       
   770 #else
       
   771     // When we're not using GoogleURL, first canonicalize it so we can resolve it
       
   772     // below.
       
   773     url_canon::RawCanonOutput<2048> srcCanon;
       
   774     url_parse::Parsed srcParsed;
       
   775     String str = base.string();
       
   776     if (!url_util::Canonicalize(str.characters(), str.length(), 0, &srcCanon, &srcParsed))
       
   777         return 0;
       
   778     const char* data = srcCanon.data();
       
   779     int length = srcCanon.length();
       
   780 #endif
       
   781 
       
   782     if (!url_util::ResolveRelative(data, length, srcParsed, attributeURL.characters(),
       
   783                                    attributeURL.length(), 0, &buffer, &parsed))
       
   784         return 0;  // Invalid resolved URL.
       
   785 
       
   786     return webKitClient()->visitedLinkHash(buffer.data(), buffer.length());
       
   787 }
       
   788 
       
   789 bool ChromiumBridge::isLinkVisited(LinkHash visitedLinkHash)
       
   790 {
       
   791     return webKitClient()->isLinkVisited(visitedLinkHash);
       
   792 }
       
   793 
       
   794 // These are temporary methods that the WebKit layer can use to call to the
       
   795 // Glue layer. Once the Glue layer moves entirely into the WebKit layer, these
       
   796 // methods will be deleted.
       
   797 
       
   798 void ChromiumBridge::notifyJSOutOfMemory(Frame* frame)
       
   799 {
       
   800     if (!frame)
       
   801         return;
       
   802 
       
   803     WebFrameImpl* webFrame = WebFrameImpl::fromFrame(frame);
       
   804     if (!webFrame->client())
       
   805         return;
       
   806     webFrame->client()->didExhaustMemoryAvailableForScript(webFrame);
       
   807 }
       
   808 
       
   809 int ChromiumBridge::memoryUsageMB()
       
   810 {
       
   811     return static_cast<int>(webKitClient()->memoryUsageMB());
       
   812 }
       
   813 
       
   814 int ChromiumBridge::screenDepth(Widget* widget)
       
   815 {
       
   816     WebWidgetClient* client = toWebWidgetClient(widget);
       
   817     if (!client)
       
   818         return 0;
       
   819     return client->screenInfo().depth;
       
   820 }
       
   821 
       
   822 int ChromiumBridge::screenDepthPerComponent(Widget* widget)
       
   823 {
       
   824     WebWidgetClient* client = toWebWidgetClient(widget);
       
   825     if (!client)
       
   826         return 0;
       
   827     return client->screenInfo().depthPerComponent;
       
   828 }
       
   829 
       
   830 bool ChromiumBridge::screenIsMonochrome(Widget* widget)
       
   831 {
       
   832     WebWidgetClient* client = toWebWidgetClient(widget);
       
   833     if (!client)
       
   834         return 0;
       
   835     return client->screenInfo().isMonochrome;
       
   836 }
       
   837 
       
   838 IntRect ChromiumBridge::screenRect(Widget* widget)
       
   839 {
       
   840     WebWidgetClient* client = toWebWidgetClient(widget);
       
   841     if (!client)
       
   842         return IntRect();
       
   843     return client->screenInfo().rect;
       
   844 }
       
   845 
       
   846 IntRect ChromiumBridge::screenAvailableRect(Widget* widget)
       
   847 {
       
   848     WebWidgetClient* client = toWebWidgetClient(widget);
       
   849     if (!client)
       
   850         return IntRect();
       
   851     return client->screenInfo().availableRect;
       
   852 }
       
   853 
       
   854 bool ChromiumBridge::popupsAllowed(NPP npp)
       
   855 {
       
   856     // FIXME: Give the embedder a way to control this.
       
   857     return false;
       
   858 }
       
   859 
       
   860 void ChromiumBridge::widgetSetCursor(Widget* widget, const Cursor& cursor)
       
   861 {
       
   862     ChromeClientImpl* client = toChromeClientImpl(widget);
       
   863     if (client)
       
   864         client->setCursor(WebCursorInfo(cursor));
       
   865 }
       
   866 
       
   867 void ChromiumBridge::widgetSetFocus(Widget* widget)
       
   868 {
       
   869     ChromeClientImpl* client = toChromeClientImpl(widget);
       
   870     if (client)
       
   871         client->focus();
       
   872 }
       
   873 
       
   874 WorkerContextProxy* WorkerContextProxy::create(Worker* worker)
       
   875 {
       
   876     return WebWorkerClientImpl::createWorkerContextProxy(worker);
       
   877 }
       
   878 
       
   879 } // namespace WebCore