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/*
* Copyright (c) 2008, 2009, 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 ChromiumBridge_h
#define ChromiumBridge_h
#include "FileSystem.h"
#include "ImageSource.h"
#include "LinkHash.h"
#include "PassRefPtr.h"
#include "PasteboardPrivate.h"
#include <wtf/Vector.h>
typedef struct NPObject NPObject;
typedef struct _NPP NPP_t;
typedef NPP_t* NPP;
#if PLATFORM(WIN_OS)
typedef struct HFONT__* HFONT;
#endif
namespace WebCore {
class Color;
class Cursor;
class Document;
class Frame;
class GraphicsContext;
class Image;
class IntRect;
class KURL;
class String;
class Widget;
struct Cookie;
struct PluginInfo;
// An interface to the embedding layer, which has the ability to answer
// questions about the system and so on...
class ChromiumBridge {
public:
// Clipboard ----------------------------------------------------------
static bool clipboardIsFormatAvailable(PasteboardPrivate::ClipboardFormat, PasteboardPrivate::ClipboardBuffer);
static String clipboardReadPlainText(PasteboardPrivate::ClipboardBuffer);
static void clipboardReadHTML(PasteboardPrivate::ClipboardBuffer, String*, KURL*);
// Only the clipboardRead functions take a buffer argument because
// Chromium currently uses a different technique to write to alternate
// clipboard buffers.
static void clipboardWriteSelection(const String&, const KURL&, const String&, bool);
static void clipboardWritePlainText(const String&);
static void clipboardWriteURL(const KURL&, const String&);
static void clipboardWriteImage(NativeImagePtr, const KURL&, const String&);
// Cookies ------------------------------------------------------------
static void setCookies(const KURL& url, const KURL& firstPartyForCookies, const String& value);
static String cookies(const KURL& url, const KURL& firstPartyForCookies);
static bool rawCookies(const KURL& url, const KURL& firstPartyForCookies, Vector<Cookie>*);
static void deleteCookie(const KURL& url, const String& cookieName);
// DNS ----------------------------------------------------------------
static void prefetchDNS(const String& hostname);
// File ---------------------------------------------------------------
static bool fileExists(const String&);
static bool deleteFile(const String&);
static bool deleteEmptyDirectory(const String&);
static bool getFileSize(const String&, long long& result);
static bool getFileModificationTime(const String&, time_t& result);
static String directoryName(const String& path);
static String pathByAppendingComponent(const String& path, const String& component);
static bool makeAllDirectories(const String& path);
static String getAbsolutePath(const String&);
static bool isDirectory(const String&);
static KURL filePathToURL(const String&);
// Font ---------------------------------------------------------------
#if PLATFORM(WIN_OS)
static bool ensureFontLoaded(HFONT font);
#endif
#if PLATFORM(LINUX)
static String getFontFamilyForCharacters(const UChar*, size_t numCharacters);
#endif
// Forms --------------------------------------------------------------
static void notifyFormStateChanged(const Document*);
// HTML5 DB -----------------------------------------------------------
#if ENABLE(DATABASE)
// Returns a handle to the DB file and ooptionally a handle to its containing directory
static PlatformFileHandle databaseOpenFile(const String& vfsFleName, int desiredFlags, PlatformFileHandle* dirHandle = 0);
// Returns a SQLite code (SQLITE_OK = 0, on success)
static int databaseDeleteFile(const String& vfsFileName, bool syncDir = false);
// Returns the attributes of the DB file
static long databaseGetFileAttributes(const String& vfsFileName);
// Returns the size of the DB file
static long long databaseGetFileSize(const String& vfsFileName);
#endif
// JavaScript ---------------------------------------------------------
static void notifyJSOutOfMemory(Frame*);
static bool allowScriptDespiteSettings(const KURL& documentURL);
// Keygen -------------------------------------------------------------
static String signedPublicKeyAndChallengeString(unsigned keySizeIndex, const String& challenge, const KURL& url);
// Language -----------------------------------------------------------
static String computedDefaultLanguage();
// LayoutTestMode -----------------------------------------------------
static bool layoutTestMode();
// Memory -------------------------------------------------------------
// Returns the current space allocated for the pagefile, in MB.
// That is committed size for Windows and virtual memory size for POSIX
static int memoryUsageMB();
// MimeType -----------------------------------------------------------
static bool isSupportedImageMIMEType(const String& mimeType);
static bool isSupportedJavaScriptMIMEType(const String& mimeType);
static bool isSupportedNonImageMIMEType(const String& mimeType);
static String mimeTypeForExtension(const String& fileExtension);
static String mimeTypeFromFile(const String& filePath);
static String preferredExtensionForMIMEType(const String& mimeType);
// Plugin -------------------------------------------------------------
static bool plugins(bool refresh, Vector<PluginInfo*>*);
static NPObject* pluginScriptableObject(Widget*);
static bool popupsAllowed(NPP);
// Resources ----------------------------------------------------------
static PassRefPtr<Image> loadPlatformImageResource(const char* name);
// Sandbox ------------------------------------------------------------
static bool sandboxEnabled();
// Screen -------------------------------------------------------------
static int screenDepth(Widget*);
static int screenDepthPerComponent(Widget*);
static bool screenIsMonochrome(Widget*);
static IntRect screenRect(Widget*);
static IntRect screenAvailableRect(Widget*);
// SharedTimers -------------------------------------------------------
static void setSharedTimerFiredFunction(void (*func)());
static void setSharedTimerFireTime(double fireTime);
static void stopSharedTimer();
// StatsCounters ------------------------------------------------------
static void decrementStatsCounter(const char* name);
static void incrementStatsCounter(const char* name);
// Sudden Termination
static void suddenTerminationChanged(bool enabled);
// SystemTime ---------------------------------------------------------
static double currentTime();
// Theming ------------------------------------------------------------
#if PLATFORM(WIN_OS)
static void paintButton(
GraphicsContext*, int part, int state, int classicState, const IntRect&);
static void paintMenuList(
GraphicsContext*, int part, int state, int classicState, const IntRect&);
static void paintScrollbarArrow(
GraphicsContext*, int state, int classicState, const IntRect&);
static void paintScrollbarThumb(
GraphicsContext*, int part, int state, int classicState, const IntRect&);
static void paintScrollbarTrack(
GraphicsContext*, int part, int state, int classicState, const IntRect&, const IntRect& alignRect);
static void paintTextField(
GraphicsContext*, int part, int state, int classicState, const IntRect&, const Color&, bool fillContentArea, bool drawEdges);
static void paintTrackbar(
GraphicsContext*, int part, int state, int classicState, const IntRect&);
#endif
// Trace Event --------------------------------------------------------
static void traceEventBegin(const char* name, void* id, const char* extra);
static void traceEventEnd(const char* name, void* id, const char* extra);
// Visited links ------------------------------------------------------
static LinkHash visitedLinkHash(const UChar* url, unsigned length);
static LinkHash visitedLinkHash(const KURL& base, const AtomicString& attributeURL);
static bool isLinkVisited(LinkHash);
// Widget -------------------------------------------------------------
static void widgetSetCursor(Widget*, const Cursor&);
static void widgetSetFocus(Widget*);
};
} // namespace WebCore
#endif
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