diff -r 000000000000 -r 4f2f89ce4247 WebKit/chromium/public/WebKitClient.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebKit/chromium/public/WebKitClient.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,271 @@ +/* + * Copyright (C) 2010 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef WebKitClient_h +#define WebKitClient_h + +#include "WebCommon.h" +#include "WebData.h" +#include "WebLocalizedString.h" +#include "WebString.h" +#include "WebURL.h" + +#include + +#ifdef WIN32 +typedef void *HANDLE; +#endif + +namespace WebKit { + +class WebApplicationCacheHost; +class WebApplicationCacheHostClient; +class WebClipboard; +class WebCookieJar; +class WebFileSystem; +class WebGLES2Context; +class WebGraphicsContext3D; +class WebIndexedDatabase; +class WebMessagePortChannel; +class WebMimeRegistry; +class WebPluginListBuilder; +class WebSandboxSupport; +class WebSharedWorkerRepository; +class WebSocketStreamHandle; +class WebStorageNamespace; +class WebThemeEngine; +class WebURLLoader; + +class WebKitClient { +public: + // Must return non-null. + virtual WebClipboard* clipboard() { return 0; } + + // Must return non-null. + virtual WebMimeRegistry* mimeRegistry() { return 0; } + + // Must return non-null. + virtual WebFileSystem* fileSystem() { return 0; } + + // May return null if sandbox support is not necessary + virtual WebSandboxSupport* sandboxSupport() { return 0; } + + // May return null on some platforms. + virtual WebThemeEngine* themeEngine() { return 0; } + + // May return null. + virtual WebCookieJar* cookieJar() { return 0; } + + // DOM Storage -------------------------------------------------- + + // Return a LocalStorage namespace that corresponds to the following path. + virtual WebStorageNamespace* createLocalStorageNamespace(const WebString& path, unsigned quota) { return 0; } + + // Called when storage events fire. + virtual void dispatchStorageEvent(const WebString& key, const WebString& oldValue, + const WebString& newValue, const WebString& origin, + const WebURL& url, bool isLocalStorage) { } + + + // History ------------------------------------------------------------- + + // Returns the hash for the given canonicalized URL for use in visited + // link coloring. + virtual unsigned long long visitedLinkHash( + const char* canonicalURL, size_t length) { return 0; } + + // Returns whether the given link hash is in the user's history. The + // hash must have been generated by calling VisitedLinkHash(). + virtual bool isLinkVisited(unsigned long long linkHash) { return false; } + + + // HTML5 Database ------------------------------------------------------ + +#ifdef WIN32 + typedef HANDLE FileHandle; +#else + typedef int FileHandle; +#endif + + // Opens a database file; dirHandle should be 0 if the caller does not need + // a handle to the directory containing this file + virtual FileHandle databaseOpenFile( + const WebString& vfsFileName, int desiredFlags) { return FileHandle(); } + + // Deletes a database file and returns the error code + virtual int databaseDeleteFile(const WebString& vfsFileName, bool syncDir) { return 0; } + + // Returns the attributes of the given database file + virtual long databaseGetFileAttributes(const WebString& vfsFileName) { return 0; } + + // Returns the size of the given database file + virtual long long databaseGetFileSize(const WebString& vfsFileName) { return 0; } + + + // Indexed Database ---------------------------------------------------- + + virtual WebIndexedDatabase* indexedDatabase() { return 0; } + + + // Keygen -------------------------------------------------------------- + + // Handle the tag for generating client certificates + // Returns a base64 encoded signed copy of a public key from a newly + // generated key pair and the supplied challenge string. keySizeindex + // specifies the strength of the key. + virtual WebString signedPublicKeyAndChallengeString(unsigned keySizeIndex, + const WebKit::WebString& challenge, + const WebKit::WebURL& url) { return WebString(); } + + + + // Memory -------------------------------------------------------------- + + // Returns the current space allocated for the pagefile, in MB. + // That is committed size for Windows and virtual memory size for POSIX + virtual size_t memoryUsageMB() { return 0; } + + + // Message Ports ------------------------------------------------------- + + // Creates a Message Port Channel. This can be called on any thread. + // The returned object should only be used on the thread it was created on. + virtual WebMessagePortChannel* createMessagePortChannel() { return 0; } + + + // Network ------------------------------------------------------------- + + // A suggestion to prefetch IP information for the given hostname. + virtual void prefetchHostName(const WebString&) { } + + // Returns a new WebURLLoader instance. + virtual WebURLLoader* createURLLoader() { return 0; } + + // Returns a new WebSocketStreamHandle instance. + virtual WebSocketStreamHandle* createSocketStreamHandle() { return 0; } + + // Returns the User-Agent string that should be used for the given URL. + virtual WebString userAgent(const WebURL&) { return WebString(); } + + // A suggestion to cache this metadata in association with this URL. + virtual void cacheMetadata(const WebURL&, double responseTime, const char* data, size_t dataSize) { } + + + // Plugins ------------------------------------------------------------- + + // If refresh is true, then cached information should not be used to + // satisfy this call. + virtual void getPluginList(bool refresh, WebPluginListBuilder*) { } + + + // Profiling ----------------------------------------------------------- + + virtual void decrementStatsCounter(const char* name) { } + virtual void incrementStatsCounter(const char* name) { } + + // An event is identified by the pair (name, id). The extra parameter + // specifies additional data to log with the event. + virtual void traceEventBegin(const char* name, void* id, const char* extra) { } + virtual void traceEventEnd(const char* name, void* id, const char* extra) { } + + // Generic callback for reporting histogram data. Range is identified by the min, max pair. + // By default, histogram is exponential, so that min=1, max=1000000, bucketCount=50 would do. Setting + // linear to true would require bucket count to cover whole min-max range. + virtual void histogramCounts(const WebString& name, int sample, int min, int max, int bucketCount, bool linear) { } + + + // Resources ----------------------------------------------------------- + + // Returns a blob of data corresponding to the named resource. + virtual WebData loadResource(const char* name) { return WebData(); } + + // Returns a localized string resource (with an optional numeric + // parameter value). + virtual WebString queryLocalizedString(WebLocalizedString::Name) { return WebString(); } + virtual WebString queryLocalizedString(WebLocalizedString::Name, int numericValue) { return WebString(); } + + + // Sandbox ------------------------------------------------------------ + + // In some browsers, a "sandbox" restricts what operations a program + // is allowed to preform. Such operations are typically abstracted out + // via this API, but sometimes (like in HTML 5 database opening) WebKit + // needs to behave differently based on whether it's restricted or not. + // In these cases (and these cases only) you can call this function. + // It's OK for this value to be conservitive (i.e. true even if the + // sandbox isn't active). + virtual bool sandboxEnabled() { return false; } + + + // Shared Workers ------------------------------------------------------ + + virtual WebSharedWorkerRepository* sharedWorkerRepository() { return 0; } + + // Sudden Termination -------------------------------------------------- + + // Disable/Enable sudden termination. + virtual void suddenTerminationChanged(bool enabled) { } + + + // System -------------------------------------------------------------- + + // Returns a value such as "en-US". + virtual WebString defaultLocale() { return WebString(); } + + // Wall clock time in seconds since the epoch. + virtual double currentTime() { return 0; } + + // Delayed work is driven by a shared timer. + virtual void setSharedTimerFiredFunction(void (*func)()) { } + virtual void setSharedTimerFireTime(double fireTime) { } + virtual void stopSharedTimer() { } + + // Callable from a background WebKit thread. + virtual void callOnMainThread(void (*func)(void*), void* context) { } + + // WebGL -------------------------------------------------------------- + + // May return null if WebGL is not supported. + // Returns newly allocated WebGraphicsContext3D instance. + virtual WebGraphicsContext3D* createGraphicsContext3D() { return 0; } + + // GLES2 -------------------------------------------------------------- + + // Returns newly allocated WebGLES2Context instance. + // May return null if it fails to create the context. + virtual WebGLES2Context* createGLES2Context() { return 0; } + +protected: + ~WebKitClient() { } +}; + +} // namespace WebKit + +#endif