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Diffstat (limited to 'WebKit/mac/Plugins/WebNetscapePluginView.mm')
| -rw-r--r-- | WebKit/mac/Plugins/WebNetscapePluginView.mm | 2338 |
1 files changed, 2338 insertions, 0 deletions
diff --git a/WebKit/mac/Plugins/WebNetscapePluginView.mm b/WebKit/mac/Plugins/WebNetscapePluginView.mm new file mode 100644 index 0000000..a792e21 --- /dev/null +++ b/WebKit/mac/Plugins/WebNetscapePluginView.mm @@ -0,0 +1,2338 @@ +/* + * Copyright (C) 2005, 2006, 2007 Apple 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: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. + */ + +#if ENABLE(NETSCAPE_PLUGIN_API) + +#import "WebNetscapePluginView.h" + +#import "WebDataSourceInternal.h" +#import "WebDefaultUIDelegate.h" +#import "WebFrameInternal.h" +#import "WebFrameView.h" +#import "WebGraphicsExtras.h" +#import "WebKitLogging.h" +#import "WebKitNSStringExtras.h" +#import "WebKitSystemInterface.h" +#import "WebNSDataExtras.h" +#import "WebNSDictionaryExtras.h" +#import "WebNSObjectExtras.h" +#import "WebNSURLExtras.h" +#import "WebNSURLRequestExtras.h" +#import "WebNSViewExtras.h" +#import "WebNetscapePluginPackage.h" +#import "WebBaseNetscapePluginStream.h" +#import "WebNetscapePluginEventHandler.h" +#import "WebNullPluginView.h" +#import "WebPreferences.h" +#import "WebPluginRequest.h" +#import "WebViewInternal.h" +#import "WebUIDelegatePrivate.h" +#import <Carbon/Carbon.h> +#import <runtime/JSLock.h> +#import <WebCore/npruntime_impl.h> +#import <WebCore/DocumentLoader.h> +#import <WebCore/Element.h> +#import <WebCore/Frame.h> +#import <WebCore/FrameLoader.h> +#import <WebCore/FrameTree.h> +#import <WebCore/Page.h> +#import <WebCore/PluginMainThreadScheduler.h> +#import <WebCore/ScriptController.h> +#import <WebCore/SoftLinking.h> +#import <WebCore/WebCoreObjCExtras.h> +#import <WebKit/nptextinput.h> +#import <WebKit/DOMPrivate.h> +#import <WebKit/WebUIDelegate.h> +#import <runtime/InitializeThreading.h> +#import <wtf/Assertions.h> +#import <objc/objc-runtime.h> + +#define LoginWindowDidSwitchFromUserNotification @"WebLoginWindowDidSwitchFromUserNotification" +#define LoginWindowDidSwitchToUserNotification @"WebLoginWindowDidSwitchToUserNotification" + +using namespace WebCore; + +static inline bool isDrawingModelQuickDraw(NPDrawingModel drawingModel) +{ +#ifndef NP_NO_QUICKDRAW + return drawingModel == NPDrawingModelQuickDraw; +#else + return false; +#endif +}; + +@interface WebNetscapePluginView (Internal) +- (NPError)_createPlugin; +- (void)_destroyPlugin; +- (NSBitmapImageRep *)_printedPluginBitmap; +- (void)_redeliverStream; +@end + +static WebNetscapePluginView *currentPluginView = nil; + +typedef struct OpaquePortState* PortState; + +static const double ThrottledTimerInterval = 0.25; + +class PluginTimer : public TimerBase { +public: + typedef void (*TimerFunc)(NPP npp, uint32 timerID); + + PluginTimer(NPP npp, uint32 timerID, uint32 interval, NPBool repeat, TimerFunc timerFunc) + : m_npp(npp) + , m_timerID(timerID) + , m_interval(interval) + , m_repeat(repeat) + , m_timerFunc(timerFunc) + { + } + + void start(bool throttle) + { + ASSERT(!isActive()); + + double timeInterval = m_interval / 1000.0; + + if (throttle) + timeInterval = max(timeInterval, ThrottledTimerInterval); + + if (m_repeat) + startRepeating(timeInterval); + else + startOneShot(timeInterval); + } + +private: + virtual void fired() + { + m_timerFunc(m_npp, m_timerID); + if (!m_repeat) + delete this; + } + + NPP m_npp; + uint32 m_timerID; + uint32 m_interval; + NPBool m_repeat; + TimerFunc m_timerFunc; +}; + +#ifndef NP_NO_QUICKDRAW + +// QuickDraw is not available in 64-bit + +typedef struct { + GrafPtr oldPort; + GDHandle oldDevice; + Point oldOrigin; + RgnHandle oldClipRegion; + RgnHandle oldVisibleRegion; + RgnHandle clipRegion; + BOOL forUpdate; +} PortState_QD; + +#endif /* NP_NO_QUICKDRAW */ + +typedef struct { + CGContextRef context; +} PortState_CG; + +@class NSTextInputContext; +@interface NSResponder (AppKitDetails) +- (NSTextInputContext *)inputContext; +@end + +@interface WebNetscapePluginView (ForwardDeclarations) +- (void)setWindowIfNecessary; +- (NPError)loadRequest:(NSMutableURLRequest *)request inTarget:(const char *)cTarget withNotifyData:(void *)notifyData sendNotification:(BOOL)sendNotification; +@end + +@implementation WebNetscapePluginView + ++ (void)initialize +{ + JSC::initializeThreading(); +#ifndef BUILDING_ON_TIGER + WebCoreObjCFinalizeOnMainThread(self); +#endif + WKSendUserChangeNotifications(); +} + +#pragma mark EVENTS + +- (BOOL)superviewsHaveSuperviews +{ + NSView *contentView = [[self window] contentView]; + NSView *view; + for (view = self; view != nil; view = [view superview]) { + if (view == contentView) { + return YES; + } + } + return NO; +} + + +// The WindowRef created by -[NSWindow windowRef] has a QuickDraw GrafPort that covers +// the entire window frame (or structure region to use the Carbon term) rather then just the window content. +// We can remove this when <rdar://problem/4201099> is fixed. +- (void)fixWindowPort +{ +#ifndef NP_NO_QUICKDRAW + ASSERT(isDrawingModelQuickDraw(drawingModel)); + + NSWindow *currentWindow = [self currentWindow]; + if ([currentWindow isKindOfClass:objc_getClass("NSCarbonWindow")]) + return; + + float windowHeight = [currentWindow frame].size.height; + NSView *contentView = [currentWindow contentView]; + NSRect contentRect = [contentView convertRect:[contentView frame] toView:nil]; // convert to window-relative coordinates + + CGrafPtr oldPort; + GetPort(&oldPort); + SetPort(GetWindowPort((WindowRef)[currentWindow windowRef])); + + MovePortTo(static_cast<short>(contentRect.origin.x), /* Flip Y */ static_cast<short>(windowHeight - NSMaxY(contentRect))); + PortSize(static_cast<short>(contentRect.size.width), static_cast<short>(contentRect.size.height)); + + SetPort(oldPort); +#endif +} + +#ifndef NP_NO_QUICKDRAW +static UInt32 getQDPixelFormatForBitmapContext(CGContextRef context) +{ + UInt32 byteOrder = CGBitmapContextGetBitmapInfo(context) & kCGBitmapByteOrderMask; + if (byteOrder == kCGBitmapByteOrderDefault) + switch (CGBitmapContextGetBitsPerPixel(context)) { + case 16: + byteOrder = kCGBitmapByteOrder16Host; + break; + case 32: + byteOrder = kCGBitmapByteOrder32Host; + break; + } + switch (byteOrder) { + case kCGBitmapByteOrder16Little: + return k16LE555PixelFormat; + case kCGBitmapByteOrder32Little: + return k32BGRAPixelFormat; + case kCGBitmapByteOrder16Big: + return k16BE555PixelFormat; + case kCGBitmapByteOrder32Big: + return k32ARGBPixelFormat; + } + ASSERT_NOT_REACHED(); + return 0; +} + +static inline void getNPRect(const CGRect& cgr, NPRect& npr) +{ + npr.top = static_cast<uint16>(cgr.origin.y); + npr.left = static_cast<uint16>(cgr.origin.x); + npr.bottom = static_cast<uint16>(CGRectGetMaxY(cgr)); + npr.right = static_cast<uint16>(CGRectGetMaxX(cgr)); +} + +#endif + +static inline void getNPRect(const NSRect& nr, NPRect& npr) +{ + npr.top = static_cast<uint16>(nr.origin.y); + npr.left = static_cast<uint16>(nr.origin.x); + npr.bottom = static_cast<uint16>(NSMaxY(nr)); + npr.right = static_cast<uint16>(NSMaxX(nr)); +} + +- (PortState)saveAndSetNewPortStateForUpdate:(BOOL)forUpdate +{ + ASSERT([self currentWindow] != nil); + + // Use AppKit to convert view coordinates to NSWindow coordinates. + NSRect boundsInWindow = [self convertRect:[self bounds] toView:nil]; + NSRect visibleRectInWindow = [self convertRect:[self visibleRect] toView:nil]; + + // Flip Y to convert NSWindow coordinates to top-left-based window coordinates. + float borderViewHeight = [[self currentWindow] frame].size.height; + boundsInWindow.origin.y = borderViewHeight - NSMaxY(boundsInWindow); + visibleRectInWindow.origin.y = borderViewHeight - NSMaxY(visibleRectInWindow); + +#ifndef NP_NO_QUICKDRAW + WindowRef windowRef = (WindowRef)[[self currentWindow] windowRef]; + ASSERT(windowRef); + + // Look at the Carbon port to convert top-left-based window coordinates into top-left-based content coordinates. + if (isDrawingModelQuickDraw(drawingModel)) { + // If drawing with QuickDraw, fix the window port so that it has the same bounds as the NSWindow's + // content view. This makes it easier to convert between AppKit view and QuickDraw port coordinates. + [self fixWindowPort]; + + ::Rect portBounds; + CGrafPtr port = GetWindowPort(windowRef); + GetPortBounds(port, &portBounds); + + PixMap *pix = *GetPortPixMap(port); + boundsInWindow.origin.x += pix->bounds.left - portBounds.left; + boundsInWindow.origin.y += pix->bounds.top - portBounds.top; + visibleRectInWindow.origin.x += pix->bounds.left - portBounds.left; + visibleRectInWindow.origin.y += pix->bounds.top - portBounds.top; + } +#endif + + window.type = NPWindowTypeWindow; + window.x = (int32)boundsInWindow.origin.x; + window.y = (int32)boundsInWindow.origin.y; + window.width = static_cast<uint32>(NSWidth(boundsInWindow)); + window.height = static_cast<uint32>(NSHeight(boundsInWindow)); + + // "Clip-out" the plug-in when: + // 1) it's not really in a window or off-screen or has no height or width. + // 2) window.x is a "big negative number" which is how WebCore expresses off-screen widgets. + // 3) the window is miniaturized or the app is hidden + // 4) we're inside of viewWillMoveToWindow: with a nil window. In this case, superviews may already have nil + // superviews and nil windows and results from convertRect:toView: are incorrect. + NSWindow *realWindow = [self window]; + if (window.width <= 0 || window.height <= 0 || window.x < -100000 + || realWindow == nil || [realWindow isMiniaturized] + || [NSApp isHidden] + || ![self superviewsHaveSuperviews] + || [self isHiddenOrHasHiddenAncestor]) { + + // The following code tries to give plug-ins the same size they will eventually have. + // The specifiedWidth and specifiedHeight variables are used to predict the size that + // WebCore will eventually resize us to. + + // The QuickTime plug-in has problems if you give it a width or height of 0. + // Since other plug-ins also might have the same sort of trouble, we make sure + // to always give plug-ins a size other than 0,0. + + if (window.width <= 0) + window.width = specifiedWidth > 0 ? specifiedWidth : 100; + if (window.height <= 0) + window.height = specifiedHeight > 0 ? specifiedHeight : 100; + + window.clipRect.bottom = window.clipRect.top; + window.clipRect.left = window.clipRect.right; + } else { + getNPRect(visibleRectInWindow, window.clipRect); + } + + // Save the port state, set up the port for entry into the plugin + PortState portState; + switch (drawingModel) { +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: { + // Set up NS_Port. + ::Rect portBounds; + CGrafPtr port = GetWindowPort(windowRef); + GetPortBounds(port, &portBounds); + nPort.qdPort.port = port; + nPort.qdPort.portx = (int32)-boundsInWindow.origin.x; + nPort.qdPort.porty = (int32)-boundsInWindow.origin.y; + window.window = &nPort; + + PortState_QD *qdPortState = (PortState_QD*)malloc(sizeof(PortState_QD)); + portState = (PortState)qdPortState; + + GetGWorld(&qdPortState->oldPort, &qdPortState->oldDevice); + + qdPortState->oldOrigin.h = portBounds.left; + qdPortState->oldOrigin.v = portBounds.top; + + qdPortState->oldClipRegion = NewRgn(); + GetPortClipRegion(port, qdPortState->oldClipRegion); + + qdPortState->oldVisibleRegion = NewRgn(); + GetPortVisibleRegion(port, qdPortState->oldVisibleRegion); + + RgnHandle clipRegion = NewRgn(); + qdPortState->clipRegion = clipRegion; + + CGContextRef currentContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort]; + if (currentContext && WKCGContextIsBitmapContext(currentContext)) { + // We use WKCGContextIsBitmapContext here, because if we just called CGBitmapContextGetData + // on any context, we'd log to the console every time. But even if WKCGContextIsBitmapContext + // returns true, it still might not be a context we need to create a GWorld for; for example + // transparency layers will return true, but return 0 for CGBitmapContextGetData. + void* offscreenData = CGBitmapContextGetData(currentContext); + if (offscreenData) { + // If the current context is an offscreen bitmap, then create a GWorld for it. + ::Rect offscreenBounds; + offscreenBounds.top = 0; + offscreenBounds.left = 0; + offscreenBounds.right = CGBitmapContextGetWidth(currentContext); + offscreenBounds.bottom = CGBitmapContextGetHeight(currentContext); + GWorldPtr newOffscreenGWorld; + QDErr err = NewGWorldFromPtr(&newOffscreenGWorld, + getQDPixelFormatForBitmapContext(currentContext), &offscreenBounds, 0, 0, 0, + static_cast<char*>(offscreenData), CGBitmapContextGetBytesPerRow(currentContext)); + ASSERT(newOffscreenGWorld && !err); + if (!err) { + if (offscreenGWorld) + DisposeGWorld(offscreenGWorld); + offscreenGWorld = newOffscreenGWorld; + + SetGWorld(offscreenGWorld, NULL); + + port = offscreenGWorld; + + nPort.qdPort.port = port; + boundsInWindow = [self bounds]; + + // Generate a QD origin based on the current affine transform for currentContext. + CGAffineTransform offscreenMatrix = CGContextGetCTM(currentContext); + CGPoint origin = {0,0}; + CGPoint axisFlip = {1,1}; + origin = CGPointApplyAffineTransform(origin, offscreenMatrix); + axisFlip = CGPointApplyAffineTransform(axisFlip, offscreenMatrix); + + // Quartz bitmaps have origins at the bottom left, but the axes may be inverted, so handle that. + origin.x = offscreenBounds.left - origin.x * (axisFlip.x - origin.x); + origin.y = offscreenBounds.bottom + origin.y * (axisFlip.y - origin.y); + + nPort.qdPort.portx = static_cast<int32>(-boundsInWindow.origin.x + origin.x); + nPort.qdPort.porty = static_cast<int32>(-boundsInWindow.origin.y - origin.y); + window.x = 0; + window.y = 0; + window.window = &nPort; + + // Use the clip bounds from the context instead of the bounds we created + // from the window above. + getNPRect(CGRectOffset(CGContextGetClipBoundingBox(currentContext), -origin.x, origin.y), window.clipRect); + } + } + } + + MacSetRectRgn(clipRegion, + window.clipRect.left + nPort.qdPort.portx, window.clipRect.top + nPort.qdPort.porty, + window.clipRect.right + nPort.qdPort.portx, window.clipRect.bottom + nPort.qdPort.porty); + + // Clip to the dirty region if drawing to a window. When drawing to another bitmap context, do not clip. + if ([NSGraphicsContext currentContext] == [[self currentWindow] graphicsContext]) { + // Clip to dirty region so plug-in does not draw over already-drawn regions of the window that are + // not going to be redrawn this update. This forces plug-ins to play nice with z-index ordering. + if (forUpdate) { + RgnHandle viewClipRegion = NewRgn(); + + // Get list of dirty rects from the opaque ancestor -- WebKit does some tricks with invalidation and + // display to enable z-ordering for NSViews; a side-effect of this is that only the WebHTMLView + // knows about the true set of dirty rects. + NSView *opaqueAncestor = [self opaqueAncestor]; + const NSRect *dirtyRects; + NSInteger dirtyRectCount, dirtyRectIndex; + [opaqueAncestor getRectsBeingDrawn:&dirtyRects count:&dirtyRectCount]; + + for (dirtyRectIndex = 0; dirtyRectIndex < dirtyRectCount; dirtyRectIndex++) { + NSRect dirtyRect = [self convertRect:dirtyRects[dirtyRectIndex] fromView:opaqueAncestor]; + if (!NSEqualSizes(dirtyRect.size, NSZeroSize)) { + // Create a region for this dirty rect + RgnHandle dirtyRectRegion = NewRgn(); + SetRectRgn(dirtyRectRegion, static_cast<short>(NSMinX(dirtyRect)), static_cast<short>(NSMinY(dirtyRect)), static_cast<short>(NSMaxX(dirtyRect)), static_cast<short>(NSMaxY(dirtyRect))); + + // Union this dirty rect with the rest of the dirty rects + UnionRgn(viewClipRegion, dirtyRectRegion, viewClipRegion); + DisposeRgn(dirtyRectRegion); + } + } + + // Intersect the dirty region with the clip region, so that we only draw over dirty parts + SectRgn(clipRegion, viewClipRegion, clipRegion); + DisposeRgn(viewClipRegion); + } + } + + // Switch to the port and set it up. + SetPort(port); + PenNormal(); + ForeColor(blackColor); + BackColor(whiteColor); + SetOrigin(nPort.qdPort.portx, nPort.qdPort.porty); + SetPortClipRegion(nPort.qdPort.port, clipRegion); + + if (forUpdate) { + // AppKit may have tried to help us by doing a BeginUpdate. + // But the invalid region at that level didn't include AppKit's notion of what was not valid. + // We reset the port's visible region to counteract what BeginUpdate did. + SetPortVisibleRegion(nPort.qdPort.port, clipRegion); + InvalWindowRgn(windowRef, clipRegion); + } + + qdPortState->forUpdate = forUpdate; + break; + } +#endif /* NP_NO_QUICKDRAW */ + + case NPDrawingModelCoreGraphics: { + ASSERT([NSView focusView] == self); + + CGContextRef context = static_cast<CGContextRef>([[NSGraphicsContext currentContext] graphicsPort]); + + PortState_CG *cgPortState = (PortState_CG *)malloc(sizeof(PortState_CG)); + portState = (PortState)cgPortState; + cgPortState->context = context; + + // Update the plugin's window/context +#ifdef NP_NO_CARBON + nPort.cgPort.window = (NPNSWindow *)[self currentWindow]; +#else + nPort.cgPort.window = _eventHandler->platformWindow([self currentWindow]); +#endif /* NP_NO_CARBON */ + nPort.cgPort.context = context; + window.window = &nPort.cgPort; + + // Save current graphics context's state; will be restored by -restorePortState: + CGContextSaveGState(context); + + // Clip to the dirty region if drawing to a window. When drawing to another bitmap context, do not clip. + if ([NSGraphicsContext currentContext] == [[self currentWindow] graphicsContext]) { + // Get list of dirty rects from the opaque ancestor -- WebKit does some tricks with invalidation and + // display to enable z-ordering for NSViews; a side-effect of this is that only the WebHTMLView + // knows about the true set of dirty rects. + NSView *opaqueAncestor = [self opaqueAncestor]; + const NSRect *dirtyRects; + NSInteger count; + [opaqueAncestor getRectsBeingDrawn:&dirtyRects count:&count]; + Vector<CGRect, 16> convertedDirtyRects; + convertedDirtyRects.resize(count); + for (int i = 0; i < count; ++i) + reinterpret_cast<NSRect&>(convertedDirtyRects[i]) = [self convertRect:dirtyRects[i] fromView:opaqueAncestor]; + CGContextClipToRects(context, convertedDirtyRects.data(), count); + } + + break; + } + + case NPDrawingModelCoreAnimation: + window.window = [self currentWindow]; + // Just set the port state to a dummy value. + portState = (PortState)1; + break; + + default: + ASSERT_NOT_REACHED(); + portState = NULL; + break; + } + + return portState; +} + +- (PortState)saveAndSetNewPortState +{ + return [self saveAndSetNewPortStateForUpdate:NO]; +} + +- (void)restorePortState:(PortState)portState +{ + ASSERT([self currentWindow]); + ASSERT(portState); + + switch (drawingModel) { +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: { + PortState_QD *qdPortState = (PortState_QD *)portState; + WindowRef windowRef = (WindowRef)[[self currentWindow] windowRef]; + CGrafPtr port = GetWindowPort(windowRef); + + SetPort(port); + + if (qdPortState->forUpdate) + ValidWindowRgn(windowRef, qdPortState->clipRegion); + + SetOrigin(qdPortState->oldOrigin.h, qdPortState->oldOrigin.v); + + SetPortClipRegion(port, qdPortState->oldClipRegion); + if (qdPortState->forUpdate) + SetPortVisibleRegion(port, qdPortState->oldVisibleRegion); + + DisposeRgn(qdPortState->oldClipRegion); + DisposeRgn(qdPortState->oldVisibleRegion); + DisposeRgn(qdPortState->clipRegion); + + SetGWorld(qdPortState->oldPort, qdPortState->oldDevice); + break; + } +#endif /* NP_NO_QUICKDRAW */ + + case NPDrawingModelCoreGraphics: + ASSERT([NSView focusView] == self); + ASSERT(((PortState_CG *)portState)->context == nPort.cgPort.context); + CGContextRestoreGState(nPort.cgPort.context); + break; + + case NPDrawingModelCoreAnimation: + ASSERT(portState == (PortState)1); + break; + default: + ASSERT_NOT_REACHED(); + break; + } +} + +- (BOOL)sendEvent:(void*)event isDrawRect:(BOOL)eventIsDrawRect +{ + if (![self window]) + return NO; + ASSERT(event); + + if (!_isStarted) + return NO; + + ASSERT([_pluginPackage.get() pluginFuncs]->event); + + // Make sure we don't call NPP_HandleEvent while we're inside NPP_SetWindow. + // We probably don't want more general reentrancy protection; we are really + // protecting only against this one case, which actually comes up when + // you first install the SVG viewer plug-in. + if (inSetWindow) + return NO; + + Frame* frame = core([self webFrame]); + if (!frame) + return NO; + Page* page = frame->page(); + if (!page) + return NO; + + bool wasDeferring = page->defersLoading(); + if (!wasDeferring) + page->setDefersLoading(true); + + // Can only send drawRect (updateEvt) to CoreGraphics plugins when actually drawing + ASSERT((drawingModel != NPDrawingModelCoreGraphics) || !eventIsDrawRect || [NSView focusView] == self); + + PortState portState = NULL; + + if (isDrawingModelQuickDraw(drawingModel) || (drawingModel != NPDrawingModelCoreAnimation && eventIsDrawRect)) { + // In CoreGraphics mode, the port state only needs to be saved/set when redrawing the plug-in view. + // The plug-in is not allowed to draw at any other time. + portState = [self saveAndSetNewPortStateForUpdate:eventIsDrawRect]; + // We may have changed the window, so inform the plug-in. + [self setWindowIfNecessary]; + } + +#if !defined(NDEBUG) && !defined(NP_NO_QUICKDRAW) + // Draw green to help debug. + // If we see any green we know something's wrong. + // Note that PaintRect() only works for QuickDraw plugins; otherwise the current QD port is undefined. + if (isDrawingModelQuickDraw(drawingModel) && eventIsDrawRect) { + ForeColor(greenColor); + const ::Rect bigRect = { -10000, -10000, 10000, 10000 }; + PaintRect(&bigRect); + ForeColor(blackColor); + } +#endif + + // Temporarily retain self in case the plug-in view is released while sending an event. + [[self retain] autorelease]; + + BOOL acceptedEvent; + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + acceptedEvent = ![_pluginPackage.get() pluginFuncs]->event(plugin, event); + } + [self didCallPlugInFunction]; + + if (portState) { + if ([self currentWindow]) + [self restorePortState:portState]; + if (portState != (PortState)1) + free(portState); + } + + if (!wasDeferring) + page->setDefersLoading(false); + + return acceptedEvent; +} + +- (void)windowFocusChanged:(BOOL)hasFocus +{ + _eventHandler->windowFocusChanged(hasFocus); +} + +- (void)sendDrawRectEvent:(NSRect)rect +{ + ASSERT(_eventHandler); + + _eventHandler->drawRect(rect); +} + +- (void)stopTimers +{ + [super stopTimers]; + + if (_eventHandler) + _eventHandler->stopTimers(); + + if (!timers) + return; + + HashMap<uint32, PluginTimer*>::const_iterator end = timers->end(); + for (HashMap<uint32, PluginTimer*>::const_iterator it = timers->begin(); it != end; ++it) { + PluginTimer* timer = it->second; + timer->stop(); + } +} + +- (void)startTimers +{ + [super startTimers]; + + // If the plugin is completely obscured (scrolled out of view, for example), then we will + // send null events at a reduced rate. + _eventHandler->startTimers(_isCompletelyObscured); + + if (!timers) + return; + + HashMap<uint32, PluginTimer*>::const_iterator end = timers->end(); + for (HashMap<uint32, PluginTimer*>::const_iterator it = timers->begin(); it != end; ++it) { + PluginTimer* timer = it->second; + ASSERT(!timer->isActive()); + timer->start(_isCompletelyObscured); + } +} + +- (void)focusChanged +{ + // We need to null check the event handler here because + // the plug-in view can resign focus after it's been stopped + // and the event handler has been deleted. + if (_eventHandler) + _eventHandler->focusChanged(_hasFocus); +} + +- (void)mouseDown:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseDown(theEvent); +} + +- (void)mouseUp:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseUp(theEvent); +} + +- (void)mouseEntered:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseEntered(theEvent); +} + +- (void)mouseExited:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseExited(theEvent); + + // Set cursor back to arrow cursor. Because NSCursor doesn't know about changes that the plugin made, we could get confused about what we think the + // current cursor is otherwise. Therefore we have no choice but to unconditionally reset the cursor when the mouse exits the plugin. + [[NSCursor arrowCursor] set]; +} + +// We can't name this method mouseMoved because we don't want to override +// the NSView mouseMoved implementation. +- (void)handleMouseMoved:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseMoved(theEvent); +} + +- (void)mouseDragged:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->mouseDragged(theEvent); +} + +- (void)scrollWheel:(NSEvent *)theEvent +{ + if (!_isStarted) { + [super scrollWheel:theEvent]; + return; + } + + if (!_eventHandler->scrollWheel(theEvent)) + [super scrollWheel:theEvent]; +} + +- (void)keyUp:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->keyUp(theEvent); +} + +- (void)keyDown:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->keyDown(theEvent); +} + +- (void)flagsChanged:(NSEvent *)theEvent +{ + if (!_isStarted) + return; + + _eventHandler->flagsChanged(theEvent); +} + +#pragma mark WEB_NETSCAPE_PLUGIN + +- (BOOL)isNewWindowEqualToOldWindow +{ + if (window.x != lastSetWindow.x) + return NO; + if (window.y != lastSetWindow.y) + return NO; + if (window.width != lastSetWindow.width) + return NO; + if (window.height != lastSetWindow.height) + return NO; + if (window.clipRect.top != lastSetWindow.clipRect.top) + return NO; + if (window.clipRect.left != lastSetWindow.clipRect.left) + return NO; + if (window.clipRect.bottom != lastSetWindow.clipRect.bottom) + return NO; + if (window.clipRect.right != lastSetWindow.clipRect.right) + return NO; + if (window.type != lastSetWindow.type) + return NO; + + switch (drawingModel) { +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: + if (nPort.qdPort.portx != lastSetPort.qdPort.portx) + return NO; + if (nPort.qdPort.porty != lastSetPort.qdPort.porty) + return NO; + if (nPort.qdPort.port != lastSetPort.qdPort.port) + return NO; + break; +#endif /* NP_NO_QUICKDRAW */ + + case NPDrawingModelCoreGraphics: + if (nPort.cgPort.window != lastSetPort.cgPort.window) + return NO; + if (nPort.cgPort.context != lastSetPort.cgPort.context) + return NO; + break; + + case NPDrawingModelCoreAnimation: + if (window.window != lastSetWindow.window) + return NO; + break; + default: + ASSERT_NOT_REACHED(); + break; + } + + return YES; +} + +-(void)tellQuickTimeToChill +{ +#ifndef NP_NO_QUICKDRAW + ASSERT(isDrawingModelQuickDraw(drawingModel)); + + // Make a call to the secret QuickDraw API that makes QuickTime calm down. + WindowRef windowRef = (WindowRef)[[self window] windowRef]; + if (!windowRef) { + return; + } + CGrafPtr port = GetWindowPort(windowRef); + ::Rect bounds; + GetPortBounds(port, &bounds); + WKCallDrawingNotification(port, &bounds); +#endif /* NP_NO_QUICKDRAW */ +} + +- (void)updateAndSetWindow +{ + // A plug-in can only update if it's (1) already been started (2) isn't stopped + // and (3) is able to draw on-screen. To meet condition (3) the plug-in must not + // be hidden and be attached to a window. QuickDraw plug-ins are an important + // excpetion to rule (3) because they manually must be told when to stop writing + // bits to the window backing store, thus to do so requires a new call to + // NPP_SetWindow() with an empty NPWindow struct. + if (!_isStarted) + return; + +#ifdef NP_NO_QUICKDRAW + if (![self canDraw]) + return; +#else + if (drawingModel == NPDrawingModelQuickDraw) + [self tellQuickTimeToChill]; + else if (drawingModel == NPDrawingModelCoreGraphics && ![self canDraw]) + return; + +#endif // NP_NO_QUICKDRAW + + BOOL didLockFocus = [NSView focusView] != self && [self lockFocusIfCanDraw]; + + PortState portState = [self saveAndSetNewPortState]; + if (portState) { + [self setWindowIfNecessary]; + [self restorePortState:portState]; + if (portState != (PortState)1) + free(portState); + } + if (didLockFocus) + [self unlockFocus]; +} + +- (void)setWindowIfNecessary +{ + if (!_isStarted) + return; + + if (![self isNewWindowEqualToOldWindow]) { + // Make sure we don't call NPP_HandleEvent while we're inside NPP_SetWindow. + // We probably don't want more general reentrancy protection; we are really + // protecting only against this one case, which actually comes up when + // you first install the SVG viewer plug-in. + NPError npErr; + ASSERT(!inSetWindow); + + inSetWindow = YES; + + // A CoreGraphics plugin's window may only be set while the plugin is being updated + ASSERT((drawingModel != NPDrawingModelCoreGraphics) || [NSView focusView] == self); + + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + npErr = [_pluginPackage.get() pluginFuncs]->setwindow(plugin, &window); + } + [self didCallPlugInFunction]; + inSetWindow = NO; + +#ifndef NDEBUG + switch (drawingModel) { +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: + LOG(Plugins, "NPP_SetWindow (QuickDraw): %d, port=0x%08x, window.x:%d window.y:%d window.width:%d window.height:%d", + npErr, (int)nPort.qdPort.port, (int)window.x, (int)window.y, (int)window.width, (int)window.height); + break; +#endif /* NP_NO_QUICKDRAW */ + + case NPDrawingModelCoreGraphics: + LOG(Plugins, "NPP_SetWindow (CoreGraphics): %d, window=%p, context=%p, window.x:%d window.y:%d window.width:%d window.height:%d", + npErr, nPort.cgPort.window, nPort.cgPort.context, (int)window.x, (int)window.y, (int)window.width, (int)window.height); + break; + + case NPDrawingModelCoreAnimation: + LOG(Plugins, "NPP_SetWindow (CoreAnimation): %d, window=%p window.x:%d window.y:%d window.width:%d window.height:%d", + npErr, window.window, nPort.cgPort.context, (int)window.x, (int)window.y, (int)window.width, (int)window.height); + break; + + default: + ASSERT_NOT_REACHED(); + break; + } +#endif /* !defined(NDEBUG) */ + + lastSetWindow = window; + lastSetPort = nPort; + } +} + ++ (void)setCurrentPluginView:(WebNetscapePluginView *)view +{ + currentPluginView = view; +} + ++ (WebNetscapePluginView *)currentPluginView +{ + return currentPluginView; +} + +- (BOOL)createPlugin +{ + // Open the plug-in package so it remains loaded while our plugin uses it + [_pluginPackage.get() open]; + + // Initialize drawingModel to an invalid value so that we can detect when the plugin does not specify a drawingModel + drawingModel = (NPDrawingModel)-1; + + // Initialize eventModel to an invalid value so that we can detect when the plugin does not specify an event model. + eventModel = (NPEventModel)-1; + + NPError npErr = [self _createPlugin]; + if (npErr != NPERR_NO_ERROR) { + LOG_ERROR("NPP_New failed with error: %d", npErr); + [self _destroyPlugin]; + [_pluginPackage.get() close]; + return NO; + } + + if (drawingModel == (NPDrawingModel)-1) { +#ifndef NP_NO_QUICKDRAW + // Default to QuickDraw if the plugin did not specify a drawing model. + drawingModel = NPDrawingModelQuickDraw; +#else + // QuickDraw is not available, so we can't default to it. Instead, default to CoreGraphics. + drawingModel = NPDrawingModelCoreGraphics; +#endif + } + + if (eventModel == (NPEventModel)-1) { + // If the plug-in did not specify a drawing model we default to Carbon when it is available. +#ifndef NP_NO_CARBON + eventModel = NPEventModelCarbon; +#else + eventModel = NPEventModelCocoa; +#endif // NP_NO_CARBON + } + +#ifndef NP_NO_CARBON + if (eventModel == NPEventModelCocoa && isDrawingModelQuickDraw(drawingModel)) { + LOG(Plugins, "Plugin can't use use Cocoa event model with QuickDraw drawing model: %@", _pluginPackage.get()); + [self _destroyPlugin]; + [_pluginPackage.get() close]; + + return NO; + } +#endif // NP_NO_CARBON + +#ifndef BUILDING_ON_TIGER + if (drawingModel == NPDrawingModelCoreAnimation) { + void *value = 0; + if ([_pluginPackage.get() pluginFuncs]->getvalue(plugin, NPPVpluginCoreAnimationLayer, &value) == NPERR_NO_ERROR && value) { + + // The plug-in gives us a retained layer. + _pluginLayer.adoptNS((CALayer *)value); + [self setWantsLayer:YES]; + LOG(Plugins, "%@ is using Core Animation drawing model with layer %@", _pluginPackage.get(), _pluginLayer.get()); + } + + ASSERT(_pluginLayer); + } +#endif + + // Create the event handler + _eventHandler.set(WebNetscapePluginEventHandler::create(self)); + + // Get the text input vtable + if (eventModel == NPEventModelCocoa) { + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + NPPluginTextInputFuncs *value = 0; + if (![_pluginPackage.get() pluginFuncs]->getvalue(plugin, NPPVpluginTextInputFuncs, &value) == NPERR_NO_ERROR && value) + textInputFuncs = value; + } + [self didCallPlugInFunction]; + } + + return YES; +} + +#ifndef BUILDING_ON_TIGER +- (void)setLayer:(CALayer *)newLayer +{ + [super setLayer:newLayer]; + + if (_pluginLayer) + [newLayer addSublayer:_pluginLayer.get()]; +} +#endif + +- (void)loadStream +{ + if (_loadManually) { + [self _redeliverStream]; + return; + } + + // If the OBJECT/EMBED tag has no SRC, the URL is passed to us as "". + // Check for this and don't start a load in this case. + if (_sourceURL && ![_sourceURL.get() _web_isEmpty]) { + NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:_sourceURL.get()]; + [request _web_setHTTPReferrer:core([self webFrame])->loader()->outgoingReferrer()]; + [self loadRequest:request inTarget:nil withNotifyData:nil sendNotification:NO]; + } +} + +- (BOOL)shouldStop +{ + // If we're already calling a plug-in function, do not call NPP_Destroy(). The plug-in function we are calling + // may assume that its instance->pdata, or other memory freed by NPP_Destroy(), is valid and unchanged until said + // plugin-function returns. + // See <rdar://problem/4480737>. + if (pluginFunctionCallDepth > 0) { + shouldStopSoon = YES; + return NO; + } + + return YES; +} + +- (void)destroyPlugin +{ + // To stop active streams it's necessary to invoke stop() on a copy + // of streams. This is because calling WebNetscapePluginStream::stop() also has the side effect + // of removing a stream from this hash set. + Vector<RefPtr<WebNetscapePluginStream> > streamsCopy; + copyToVector(streams, streamsCopy); + for (size_t i = 0; i < streamsCopy.size(); i++) + streamsCopy[i]->stop(); + + [[_pendingFrameLoads.get() allKeys] makeObjectsPerformSelector:@selector(_setInternalLoadDelegate:) withObject:nil]; + [NSObject cancelPreviousPerformRequestsWithTarget:self]; + + // Setting the window type to 0 ensures that NPP_SetWindow will be called if the plug-in is restarted. + lastSetWindow.type = (NPWindowType)0; + +#ifndef BUILDING_ON_TIGER + _pluginLayer = 0; +#endif + + [self _destroyPlugin]; + [_pluginPackage.get() close]; + + _eventHandler.clear(); + + textInputFuncs = 0; +} + +- (NPEventModel)eventModel +{ + return eventModel; +} + +- (NPP)plugin +{ + return plugin; +} + +- (void)setAttributeKeys:(NSArray *)keys andValues:(NSArray *)values; +{ + ASSERT([keys count] == [values count]); + + // Convert the attributes to 2 C string arrays. + // These arrays are passed to NPP_New, but the strings need to be + // modifiable and live the entire life of the plugin. + + // The Java plug-in requires the first argument to be the base URL + if ([_MIMEType.get() isEqualToString:@"application/x-java-applet"]) { + cAttributes = (char **)malloc(([keys count] + 1) * sizeof(char *)); + cValues = (char **)malloc(([values count] + 1) * sizeof(char *)); + cAttributes[0] = strdup("DOCBASE"); + cValues[0] = strdup([_baseURL.get() _web_URLCString]); + argsCount++; + } else { + cAttributes = (char **)malloc([keys count] * sizeof(char *)); + cValues = (char **)malloc([values count] * sizeof(char *)); + } + + BOOL isWMP = [[[_pluginPackage.get() bundle] bundleIdentifier] isEqualToString:@"com.microsoft.WMP.defaultplugin"]; + + unsigned i; + unsigned count = [keys count]; + for (i = 0; i < count; i++) { + NSString *key = [keys objectAtIndex:i]; + NSString *value = [values objectAtIndex:i]; + if ([key _webkit_isCaseInsensitiveEqualToString:@"height"]) { + specifiedHeight = [value intValue]; + } else if ([key _webkit_isCaseInsensitiveEqualToString:@"width"]) { + specifiedWidth = [value intValue]; + } + // Avoid Window Media Player crash when these attributes are present. + if (isWMP && ([key _webkit_isCaseInsensitiveEqualToString:@"SAMIStyle"] || [key _webkit_isCaseInsensitiveEqualToString:@"SAMILang"])) { + continue; + } + cAttributes[argsCount] = strdup([key UTF8String]); + cValues[argsCount] = strdup([value UTF8String]); + LOG(Plugins, "%@ = %@", key, value); + argsCount++; + } +} + +#pragma mark NSVIEW + +- (id)initWithFrame:(NSRect)frame + pluginPackage:(WebNetscapePluginPackage *)pluginPackage + URL:(NSURL *)URL + baseURL:(NSURL *)baseURL + MIMEType:(NSString *)MIME + attributeKeys:(NSArray *)keys + attributeValues:(NSArray *)values + loadManually:(BOOL)loadManually + DOMElement:(DOMElement *)element +{ + self = [super initWithFrame:frame pluginPackage:pluginPackage URL:URL baseURL:baseURL MIMEType:MIME attributeKeys:keys attributeValues:values loadManually:loadManually DOMElement:element]; + if (!self) + return nil; + + _pendingFrameLoads.adoptNS([[NSMutableDictionary alloc] init]); + + // load the plug-in if it is not already loaded + if (![pluginPackage load]) { + [self release]; + return nil; + } + + return self; +} + +- (id)initWithFrame:(NSRect)frame +{ + ASSERT_NOT_REACHED(); + return nil; +} + +- (void)fini +{ +#ifndef NP_NO_QUICKDRAW + if (offscreenGWorld) + DisposeGWorld(offscreenGWorld); +#endif + + for (unsigned i = 0; i < argsCount; i++) { + free(cAttributes[i]); + free(cValues[i]); + } + free(cAttributes); + free(cValues); + + ASSERT(!_eventHandler); + + if (timers) { + deleteAllValues(*timers); + delete timers; + } +} + +- (void)disconnectStream:(WebNetscapePluginStream*)stream +{ + streams.remove(stream); +} + +- (void)dealloc +{ + ASSERT(!_isStarted); + ASSERT(!plugin); + + [self fini]; + + [super dealloc]; +} + +- (void)finalize +{ + ASSERT_MAIN_THREAD(); + ASSERT(!_isStarted); + + [self fini]; + + [super finalize]; +} + +- (void)drawRect:(NSRect)rect +{ + if (drawingModel == NPDrawingModelCoreAnimation) + return; + + if (!_isStarted) + return; + + if ([NSGraphicsContext currentContextDrawingToScreen]) + [self sendDrawRectEvent:rect]; + else { + NSBitmapImageRep *printedPluginBitmap = [self _printedPluginBitmap]; + if (printedPluginBitmap) { + // Flip the bitmap before drawing because the QuickDraw port is flipped relative + // to this view. + CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort]; + CGContextSaveGState(cgContext); + NSRect bounds = [self bounds]; + CGContextTranslateCTM(cgContext, 0.0f, NSHeight(bounds)); + CGContextScaleCTM(cgContext, 1.0f, -1.0f); + [printedPluginBitmap drawInRect:bounds]; + CGContextRestoreGState(cgContext); + } + } +} + +- (NPObject *)createPluginScriptableObject +{ + if (![_pluginPackage.get() pluginFuncs]->getvalue || !_isStarted) + return NULL; + + NPObject *value = NULL; + NPError error; + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + error = [_pluginPackage.get() pluginFuncs]->getvalue(plugin, NPPVpluginScriptableNPObject, &value); + } + [self didCallPlugInFunction]; + if (error != NPERR_NO_ERROR) + return NULL; + + return value; +} + +- (void)willCallPlugInFunction +{ + ASSERT(plugin); + + // Could try to prevent infinite recursion here, but it's probably not worth the effort. + pluginFunctionCallDepth++; +} + +- (void)didCallPlugInFunction +{ + ASSERT(pluginFunctionCallDepth > 0); + pluginFunctionCallDepth--; + + // If -stop was called while we were calling into a plug-in function, and we're no longer + // inside a plug-in function, stop now. + if (pluginFunctionCallDepth == 0 && shouldStopSoon) { + shouldStopSoon = NO; + [self stop]; + } +} + +-(void)pluginView:(NSView *)pluginView receivedResponse:(NSURLResponse *)response +{ + ASSERT(_loadManually); + ASSERT(!_manualStream); + + _manualStream = WebNetscapePluginStream::create(core([self webFrame])->loader()); +} + +- (void)pluginView:(NSView *)pluginView receivedData:(NSData *)data +{ + ASSERT(_loadManually); + ASSERT(_manualStream); + + _dataLengthReceived += [data length]; + + if (!_isStarted) + return; + + if (!_manualStream->plugin()) { + + _manualStream->setRequestURL([[[self dataSource] request] URL]); + _manualStream->setPlugin([self plugin]); + ASSERT(_manualStream->plugin()); + + _manualStream->startStreamWithResponse([[self dataSource] response]); + } + + if (_manualStream->plugin()) + _manualStream->didReceiveData(0, static_cast<const char *>([data bytes]), [data length]); +} + +- (void)pluginView:(NSView *)pluginView receivedError:(NSError *)error +{ + ASSERT(_loadManually); + + _error = error; + + if (!_isStarted) { + return; + } + + _manualStream->destroyStreamWithError(error); +} + +- (void)pluginViewFinishedLoading:(NSView *)pluginView +{ + ASSERT(_loadManually); + ASSERT(_manualStream); + + if (_isStarted) + _manualStream->didFinishLoading(0); +} + +#pragma mark NSTextInput implementation + +- (NSTextInputContext *)inputContext +{ +#ifndef NP_NO_CARBON + if (!_isStarted || eventModel == NPEventModelCarbon) + return nil; +#endif + + return [super inputContext]; +} + +- (BOOL)hasMarkedText +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->hasMarkedText) + return textInputFuncs->hasMarkedText(plugin); + + return NO; +} + +- (void)insertText:(id)aString +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->insertText) + textInputFuncs->insertText(plugin, aString); +} + +- (NSRange)markedRange +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->markedRange) + return textInputFuncs->markedRange(plugin); + + return NSMakeRange(NSNotFound, 0); +} + +- (NSRange)selectedRange +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->selectedRange) + return textInputFuncs->selectedRange(plugin); + + return NSMakeRange(NSNotFound, 0); +} + +- (void)setMarkedText:(id)aString selectedRange:(NSRange)selRange +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->setMarkedText) + textInputFuncs->setMarkedText(plugin, aString, selRange); +} + +- (void)unmarkText +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->unmarkText) + textInputFuncs->unmarkText(plugin); +} + +- (NSArray *)validAttributesForMarkedText +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->validAttributesForMarkedText) + return textInputFuncs->validAttributesForMarkedText(plugin); + + return [NSArray array]; +} + +- (NSAttributedString *)attributedSubstringFromRange:(NSRange)theRange +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->attributedSubstringFromRange) + return textInputFuncs->attributedSubstringFromRange(plugin, theRange); + + return nil; +} + +- (NSUInteger)characterIndexForPoint:(NSPoint)thePoint +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->characterIndexForPoint) { + // Convert the point to window coordinates + NSPoint point = [[self window] convertScreenToBase:thePoint]; + + // And view coordinates + point = [self convertPoint:point fromView:nil]; + + return textInputFuncs->characterIndexForPoint(plugin, point); + } + + return NSNotFound; +} + +- (void)doCommandBySelector:(SEL)aSelector +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->doCommandBySelector) + textInputFuncs->doCommandBySelector(plugin, aSelector); +} + +- (NSRect)firstRectForCharacterRange:(NSRange)theRange +{ + ASSERT(eventModel == NPEventModelCocoa); + ASSERT(_isStarted); + + if (textInputFuncs && textInputFuncs->firstRectForCharacterRange) { + NSRect rect = textInputFuncs->firstRectForCharacterRange(plugin, theRange); + + // Convert the rect to window coordinates + rect = [self convertRect:rect toView:nil]; + + // Convert the rect location to screen coordinates + rect.origin = [[self window] convertBaseToScreen:rect.origin]; + + return rect; + } + + return NSZeroRect; +} + +// test for 10.4 because of <rdar://problem/4243463> +#ifdef BUILDING_ON_TIGER +- (long)conversationIdentifier +{ + return (long)self; +} +#else +- (NSInteger)conversationIdentifier +{ + return (NSInteger)self; +} +#endif + +@end + +@implementation WebNetscapePluginView (WebNPPCallbacks) + +- (void)evaluateJavaScriptPluginRequest:(WebPluginRequest *)JSPluginRequest +{ + // FIXME: Is this isStarted check needed here? evaluateJavaScriptPluginRequest should not be called + // if we are stopped since this method is called after a delay and we call + // cancelPreviousPerformRequestsWithTarget inside of stop. + if (!_isStarted) { + return; + } + + NSURL *URL = [[JSPluginRequest request] URL]; + NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; + ASSERT(JSString); + + NSString *result = [[self webFrame] _stringByEvaluatingJavaScriptFromString:JSString forceUserGesture:[JSPluginRequest isCurrentEventUserGesture]]; + + // Don't continue if stringByEvaluatingJavaScriptFromString caused the plug-in to stop. + if (!_isStarted) { + return; + } + + if ([JSPluginRequest frameName] != nil) { + // FIXME: If the result is a string, we probably want to put that string into the frame. + if ([JSPluginRequest sendNotification]) { + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + [_pluginPackage.get() pluginFuncs]->urlnotify(plugin, [URL _web_URLCString], NPRES_DONE, [JSPluginRequest notifyData]); + } + [self didCallPlugInFunction]; + } + } else if ([result length] > 0) { + // Don't call NPP_NewStream and other stream methods if there is no JS result to deliver. This is what Mozilla does. + NSData *JSData = [result dataUsingEncoding:NSUTF8StringEncoding]; + + RefPtr<WebNetscapePluginStream> stream = WebNetscapePluginStream::create([NSURLRequest requestWithURL:URL], plugin, [JSPluginRequest sendNotification], [JSPluginRequest notifyData]); + + RetainPtr<NSURLResponse> response(AdoptNS, [[NSURLResponse alloc] initWithURL:URL + MIMEType:@"text/plain" + expectedContentLength:[JSData length] + textEncodingName:nil]); + + stream->startStreamWithResponse(response.get()); + stream->didReceiveData(0, static_cast<const char*>([JSData bytes]), [JSData length]); + stream->didFinishLoading(0); + } +} + +- (void)webFrame:(WebFrame *)webFrame didFinishLoadWithReason:(NPReason)reason +{ + ASSERT(_isStarted); + + WebPluginRequest *pluginRequest = [_pendingFrameLoads.get() objectForKey:webFrame]; + ASSERT(pluginRequest != nil); + ASSERT([pluginRequest sendNotification]); + + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + [_pluginPackage.get() pluginFuncs]->urlnotify(plugin, [[[pluginRequest request] URL] _web_URLCString], reason, [pluginRequest notifyData]); + } + [self didCallPlugInFunction]; + + [_pendingFrameLoads.get() removeObjectForKey:webFrame]; + [webFrame _setInternalLoadDelegate:nil]; +} + +- (void)webFrame:(WebFrame *)webFrame didFinishLoadWithError:(NSError *)error +{ + NPReason reason = NPRES_DONE; + if (error != nil) + reason = WebNetscapePluginStream::reasonForError(error); + [self webFrame:webFrame didFinishLoadWithReason:reason]; +} + +- (void)loadPluginRequest:(WebPluginRequest *)pluginRequest +{ + NSURLRequest *request = [pluginRequest request]; + NSString *frameName = [pluginRequest frameName]; + WebFrame *frame = nil; + + NSURL *URL = [request URL]; + NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; + + ASSERT(frameName || JSString); + + if (frameName) { + // FIXME - need to get rid of this window creation which + // bypasses normal targeted link handling + frame = kit(core([self webFrame])->loader()->findFrameForNavigation(frameName)); + if (frame == nil) { + WebView *currentWebView = [self webView]; + NSDictionary *features = [[NSDictionary alloc] init]; + WebView *newWebView = [[currentWebView _UIDelegateForwarder] webView:currentWebView + createWebViewWithRequest:nil + windowFeatures:features]; + [features release]; + + if (!newWebView) { + if ([pluginRequest sendNotification]) { + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + [_pluginPackage.get() pluginFuncs]->urlnotify(plugin, [[[pluginRequest request] URL] _web_URLCString], NPERR_GENERIC_ERROR, [pluginRequest notifyData]); + } + [self didCallPlugInFunction]; + } + return; + } + + frame = [newWebView mainFrame]; + core(frame)->tree()->setName(frameName); + [[newWebView _UIDelegateForwarder] webViewShow:newWebView]; + } + } + + if (JSString) { + ASSERT(frame == nil || [self webFrame] == frame); + [self evaluateJavaScriptPluginRequest:pluginRequest]; + } else { + [frame loadRequest:request]; + if ([pluginRequest sendNotification]) { + // Check if another plug-in view or even this view is waiting for the frame to load. + // If it is, tell it that the load was cancelled because it will be anyway. + WebNetscapePluginView *view = [frame _internalLoadDelegate]; + if (view != nil) { + ASSERT([view isKindOfClass:[WebNetscapePluginView class]]); + [view webFrame:frame didFinishLoadWithReason:NPRES_USER_BREAK]; + } + [_pendingFrameLoads.get() _webkit_setObject:pluginRequest forUncopiedKey:frame]; + [frame _setInternalLoadDelegate:self]; + } + } +} + +- (NPError)loadRequest:(NSMutableURLRequest *)request inTarget:(const char *)cTarget withNotifyData:(void *)notifyData sendNotification:(BOOL)sendNotification +{ + NSURL *URL = [request URL]; + + if (!URL) + return NPERR_INVALID_URL; + + // Don't allow requests to be loaded when the document loader is stopping all loaders. + if ([[self dataSource] _documentLoader]->isStopping()) + return NPERR_GENERIC_ERROR; + + NSString *target = nil; + if (cTarget) { + // Find the frame given the target string. + target = [NSString stringWithCString:cTarget encoding:NSISOLatin1StringEncoding]; + } + WebFrame *frame = [self webFrame]; + + // don't let a plugin start any loads if it is no longer part of a document that is being + // displayed unless the loads are in the same frame as the plugin. + if ([[self dataSource] _documentLoader] != core([self webFrame])->loader()->activeDocumentLoader() && + (!cTarget || [frame findFrameNamed:target] != frame)) { + return NPERR_GENERIC_ERROR; + } + + NSString *JSString = [URL _webkit_scriptIfJavaScriptURL]; + if (JSString != nil) { + if (![[[self webView] preferences] isJavaScriptEnabled]) { + // Return NPERR_GENERIC_ERROR if JS is disabled. This is what Mozilla does. + return NPERR_GENERIC_ERROR; + } else if (cTarget == NULL && _mode == NP_FULL) { + // Don't allow a JavaScript request from a standalone plug-in that is self-targetted + // because this can cause the user to be redirected to a blank page (3424039). + return NPERR_INVALID_PARAM; + } + } else { + if (!FrameLoader::canLoad(URL, String(), core([self webFrame])->document())) + return NPERR_GENERIC_ERROR; + } + + if (cTarget || JSString) { + // Make when targetting a frame or evaluating a JS string, perform the request after a delay because we don't + // want to potentially kill the plug-in inside of its URL request. + + if (JSString && target && [frame findFrameNamed:target] != frame) { + // For security reasons, only allow JS requests to be made on the frame that contains the plug-in. + return NPERR_INVALID_PARAM; + } + + bool currentEventIsUserGesture = false; + if (_eventHandler) + currentEventIsUserGesture = _eventHandler->currentEventIsUserGesture(); + + WebPluginRequest *pluginRequest = [[WebPluginRequest alloc] initWithRequest:request + frameName:target + notifyData:notifyData + sendNotification:sendNotification + didStartFromUserGesture:currentEventIsUserGesture]; + [self performSelector:@selector(loadPluginRequest:) withObject:pluginRequest afterDelay:0]; + [pluginRequest release]; + } else { + RefPtr<WebNetscapePluginStream> stream = WebNetscapePluginStream::create(request, plugin, sendNotification, notifyData); + + streams.add(stream.get()); + stream->start(); + } + + return NPERR_NO_ERROR; +} + +-(NPError)getURLNotify:(const char *)URLCString target:(const char *)cTarget notifyData:(void *)notifyData +{ + LOG(Plugins, "NPN_GetURLNotify: %s target: %s", URLCString, cTarget); + + NSMutableURLRequest *request = [self requestWithURLCString:URLCString]; + return [self loadRequest:request inTarget:cTarget withNotifyData:notifyData sendNotification:YES]; +} + +-(NPError)getURL:(const char *)URLCString target:(const char *)cTarget +{ + LOG(Plugins, "NPN_GetURL: %s target: %s", URLCString, cTarget); + + NSMutableURLRequest *request = [self requestWithURLCString:URLCString]; + return [self loadRequest:request inTarget:cTarget withNotifyData:NULL sendNotification:NO]; +} + +- (NPError)_postURL:(const char *)URLCString + target:(const char *)target + len:(UInt32)len + buf:(const char *)buf + file:(NPBool)file + notifyData:(void *)notifyData + sendNotification:(BOOL)sendNotification + allowHeaders:(BOOL)allowHeaders +{ + if (!URLCString || !len || !buf) { + return NPERR_INVALID_PARAM; + } + + NSData *postData = nil; + + if (file) { + // If we're posting a file, buf is either a file URL or a path to the file. + NSString *bufString = (NSString *)CFStringCreateWithCString(kCFAllocatorDefault, buf, kCFStringEncodingWindowsLatin1); + if (!bufString) { + return NPERR_INVALID_PARAM; + } + NSURL *fileURL = [NSURL _web_URLWithDataAsString:bufString]; + NSString *path; + if ([fileURL isFileURL]) { + path = [fileURL path]; + } else { + path = bufString; + } + postData = [NSData dataWithContentsOfFile:[path _webkit_fixedCarbonPOSIXPath]]; + CFRelease(bufString); + if (!postData) { + return NPERR_FILE_NOT_FOUND; + } + } else { + postData = [NSData dataWithBytes:buf length:len]; + } + + if ([postData length] == 0) { + return NPERR_INVALID_PARAM; + } + + NSMutableURLRequest *request = [self requestWithURLCString:URLCString]; + [request setHTTPMethod:@"POST"]; + + if (allowHeaders) { + if ([postData _web_startsWithBlankLine]) { + postData = [postData subdataWithRange:NSMakeRange(1, [postData length] - 1)]; + } else { + NSInteger location = [postData _web_locationAfterFirstBlankLine]; + if (location != NSNotFound) { + // If the blank line is somewhere in the middle of postData, everything before is the header. + NSData *headerData = [postData subdataWithRange:NSMakeRange(0, location)]; + NSMutableDictionary *header = [headerData _webkit_parseRFC822HeaderFields]; + unsigned dataLength = [postData length] - location; + + // Sometimes plugins like to set Content-Length themselves when they post, + // but WebFoundation does not like that. So we will remove the header + // and instead truncate the data to the requested length. + NSString *contentLength = [header objectForKey:@"Content-Length"]; + + if (contentLength != nil) + dataLength = MIN((unsigned)[contentLength intValue], dataLength); + [header removeObjectForKey:@"Content-Length"]; + + if ([header count] > 0) { + [request setAllHTTPHeaderFields:header]; + } + // Everything after the blank line is the actual content of the POST. + postData = [postData subdataWithRange:NSMakeRange(location, dataLength)]; + + } + } + if ([postData length] == 0) { + return NPERR_INVALID_PARAM; + } + } + + // Plug-ins expect to receive uncached data when doing a POST (3347134). + [request setCachePolicy:NSURLRequestReloadIgnoringCacheData]; + [request setHTTPBody:postData]; + + return [self loadRequest:request inTarget:target withNotifyData:notifyData sendNotification:sendNotification]; +} + +- (NPError)postURLNotify:(const char *)URLCString + target:(const char *)target + len:(UInt32)len + buf:(const char *)buf + file:(NPBool)file + notifyData:(void *)notifyData +{ + LOG(Plugins, "NPN_PostURLNotify: %s", URLCString); + return [self _postURL:URLCString target:target len:len buf:buf file:file notifyData:notifyData sendNotification:YES allowHeaders:YES]; +} + +-(NPError)postURL:(const char *)URLCString + target:(const char *)target + len:(UInt32)len + buf:(const char *)buf + file:(NPBool)file +{ + LOG(Plugins, "NPN_PostURL: %s", URLCString); + // As documented, only allow headers to be specified via NPP_PostURL when using a file. + return [self _postURL:URLCString target:target len:len buf:buf file:file notifyData:NULL sendNotification:NO allowHeaders:file]; +} + +-(NPError)newStream:(NPMIMEType)type target:(const char *)target stream:(NPStream**)stream +{ + LOG(Plugins, "NPN_NewStream"); + return NPERR_GENERIC_ERROR; +} + +-(NPError)write:(NPStream*)stream len:(SInt32)len buffer:(void *)buffer +{ + LOG(Plugins, "NPN_Write"); + return NPERR_GENERIC_ERROR; +} + +-(NPError)destroyStream:(NPStream*)stream reason:(NPReason)reason +{ + LOG(Plugins, "NPN_DestroyStream"); + // This function does a sanity check to ensure that the NPStream provided actually + // belongs to the plug-in that provided it, which fixes a crash in the DivX + // plug-in: <rdar://problem/5093862> | http://bugs.webkit.org/show_bug.cgi?id=13203 + if (!stream || WebNetscapePluginStream::ownerForStream(stream) != plugin) { + LOG(Plugins, "Invalid NPStream passed to NPN_DestroyStream: %p", stream); + return NPERR_INVALID_INSTANCE_ERROR; + } + + WebNetscapePluginStream* browserStream = static_cast<WebNetscapePluginStream*>(stream->ndata); + browserStream->cancelLoadAndDestroyStreamWithError(browserStream->errorForReason(reason)); + + return NPERR_NO_ERROR; +} + +- (const char *)userAgent +{ + NSString *userAgent = [[self webView] userAgentForURL:_baseURL.get()]; + + if (_isSilverlight) { + // Silverlight has a workaround for a leak in Safari 2. This workaround is + // applied when the user agent does not contain "Version/3" so we append it + // at the end of the user agent. + userAgent = [userAgent stringByAppendingString:@" Version/3.2.1"]; + } + + return [userAgent UTF8String]; +} + +-(void)status:(const char *)message +{ + if (!message) { + LOG_ERROR("NPN_Status passed a NULL status message"); + return; + } + + CFStringRef status = CFStringCreateWithCString(NULL, message, kCFStringEncodingUTF8); + if (!status) { + LOG_ERROR("NPN_Status: the message was not valid UTF-8"); + return; + } + + LOG(Plugins, "NPN_Status: %@", status); + WebView *wv = [self webView]; + [[wv _UIDelegateForwarder] webView:wv setStatusText:(NSString *)status]; + CFRelease(status); +} + +-(void)invalidateRect:(NPRect *)invalidRect +{ + LOG(Plugins, "NPN_InvalidateRect"); + [self setNeedsDisplayInRect:NSMakeRect(invalidRect->left, invalidRect->top, + (float)invalidRect->right - invalidRect->left, (float)invalidRect->bottom - invalidRect->top)]; +} + +-(BOOL)isOpaque +{ + return YES; +} + +- (void)invalidateRegion:(NPRegion)invalidRegion +{ + LOG(Plugins, "NPN_InvalidateRegion"); + NSRect invalidRect = NSZeroRect; + switch (drawingModel) { +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: + { + ::Rect qdRect; + GetRegionBounds((NPQDRegion)invalidRegion, &qdRect); + invalidRect = NSMakeRect(qdRect.left, qdRect.top, qdRect.right - qdRect.left, qdRect.bottom - qdRect.top); + } + break; +#endif /* NP_NO_QUICKDRAW */ + + case NPDrawingModelCoreGraphics: + { + CGRect cgRect = CGPathGetBoundingBox((NPCGRegion)invalidRegion); + invalidRect = *(NSRect*)&cgRect; + break; + } + default: + ASSERT_NOT_REACHED(); + break; + } + + [self setNeedsDisplayInRect:invalidRect]; +} + +-(void)forceRedraw +{ + LOG(Plugins, "forceRedraw"); + [self setNeedsDisplay:YES]; + [[self window] displayIfNeeded]; +} + +static NPBrowserTextInputFuncs *browserTextInputFuncs() +{ + static NPBrowserTextInputFuncs inputFuncs = { + 0, + sizeof(NPBrowserTextInputFuncs), + NPN_MarkedTextAbandoned, + NPN_MarkedTextSelectionChanged + }; + + return &inputFuncs; +} + +- (NPError)getVariable:(NPNVariable)variable value:(void *)value +{ + switch (variable) { + case NPNVWindowNPObject: + { + Frame* frame = core([self webFrame]); + NPObject* windowScriptObject = frame ? frame->script()->windowScriptNPObject() : 0; + + // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugins/npruntime.html#browseraccess> + if (windowScriptObject) + _NPN_RetainObject(windowScriptObject); + + void **v = (void **)value; + *v = windowScriptObject; + + return NPERR_NO_ERROR; + } + + case NPNVPluginElementNPObject: + { + if (!_element) + return NPERR_GENERIC_ERROR; + + NPObject *plugInScriptObject = (NPObject *)[_element.get() _NPObject]; + + // Return value is expected to be retained, as described here: <http://www.mozilla.org/projects/plugins/npruntime.html#browseraccess> + if (plugInScriptObject) + _NPN_RetainObject(plugInScriptObject); + + void **v = (void **)value; + *v = plugInScriptObject; + + return NPERR_NO_ERROR; + } + + case NPNVpluginDrawingModel: + { + *(NPDrawingModel *)value = drawingModel; + return NPERR_NO_ERROR; + } + +#ifndef NP_NO_QUICKDRAW + case NPNVsupportsQuickDrawBool: + { + *(NPBool *)value = TRUE; + return NPERR_NO_ERROR; + } +#endif /* NP_NO_QUICKDRAW */ + + case NPNVsupportsCoreGraphicsBool: + { + *(NPBool *)value = TRUE; + return NPERR_NO_ERROR; + } + + case NPNVsupportsOpenGLBool: + { + *(NPBool *)value = FALSE; + return NPERR_NO_ERROR; + } + + case NPNVsupportsCoreAnimationBool: + { +#ifdef BUILDING_ON_TIGER + *(NPBool *)value = FALSE; +#else + *(NPBool *)value = TRUE; +#endif + return NPERR_NO_ERROR; + } + +#ifndef NP_NO_CARBON + case NPNVsupportsCarbonBool: + { + *(NPBool *)value = TRUE; + return NPERR_NO_ERROR; + } +#endif /* NP_NO_CARBON */ + + case NPNVsupportsCocoaBool: + { + *(NPBool *)value = TRUE; + return NPERR_NO_ERROR; + } + + case NPNVbrowserTextInputFuncs: + { + if (eventModel == NPEventModelCocoa) { + *(NPBrowserTextInputFuncs **)value = browserTextInputFuncs(); + return NPERR_NO_ERROR; + } + } + default: + break; + } + + return NPERR_GENERIC_ERROR; +} + +- (NPError)setVariable:(NPPVariable)variable value:(void *)value +{ + switch (variable) { + case NPPVpluginDrawingModel: + { + // Can only set drawing model inside NPP_New() + if (self != [[self class] currentPluginView]) + return NPERR_GENERIC_ERROR; + + // Check for valid, supported drawing model + NPDrawingModel newDrawingModel = (NPDrawingModel)(uintptr_t)value; + switch (newDrawingModel) { + // Supported drawing models: +#ifndef NP_NO_QUICKDRAW + case NPDrawingModelQuickDraw: +#endif + case NPDrawingModelCoreGraphics: +#ifndef BUILDING_ON_TIGER + case NPDrawingModelCoreAnimation: +#endif + drawingModel = newDrawingModel; + return NPERR_NO_ERROR; + + + // Unsupported (or unknown) drawing models: + default: + LOG(Plugins, "Plugin %@ uses unsupported drawing model: %d", _eventHandler.get(), drawingModel); + return NPERR_GENERIC_ERROR; + } + } + + case NPPVpluginEventModel: + { + // Can only set event model inside NPP_New() + if (self != [[self class] currentPluginView]) + return NPERR_GENERIC_ERROR; + + // Check for valid, supported event model + NPEventModel newEventModel = (NPEventModel)(uintptr_t)value; + switch (newEventModel) { + // Supported event models: +#ifndef NP_NO_CARBON + case NPEventModelCarbon: +#endif + case NPEventModelCocoa: + eventModel = newEventModel; + return NPERR_NO_ERROR; + + // Unsupported (or unknown) event models: + default: + LOG(Plugins, "Plugin %@ uses unsupported event model: %d", _eventHandler.get(), eventModel); + return NPERR_GENERIC_ERROR; + } + } + + default: + return NPERR_GENERIC_ERROR; + } +} + +- (uint32)scheduleTimerWithInterval:(uint32)interval repeat:(NPBool)repeat timerFunc:(void (*)(NPP npp, uint32 timerID))timerFunc +{ + if (!timerFunc) + return 0; + + if (!timers) + timers = new HashMap<uint32, PluginTimer*>; + + uint32 timerID; + + do { + timerID = ++currentTimerID; + } while (timers->contains(timerID) || timerID == 0); + + PluginTimer* timer = new PluginTimer(plugin, timerID, interval, repeat, timerFunc); + timers->set(timerID, timer); + + if (_shouldFireTimers) + timer->start(_isCompletelyObscured); + + return timerID; +} + +- (void)unscheduleTimer:(uint32)timerID +{ + if (!timers) + return; + + if (PluginTimer* timer = timers->take(timerID)) + delete timer; +} + +- (NPError)popUpContextMenu:(NPMenu *)menu +{ + NSEvent *currentEvent = [NSApp currentEvent]; + + // NPN_PopUpContextMenu must be called from within the plug-in's NPP_HandleEvent. + if (!currentEvent) + return NPERR_GENERIC_ERROR; + + [NSMenu popUpContextMenu:(NSMenu *)menu withEvent:currentEvent forView:self]; + return NPERR_NO_ERROR; +} + +@end + +@implementation WebNetscapePluginView (Internal) + +- (NPError)_createPlugin +{ + plugin = (NPP)calloc(1, sizeof(NPP_t)); + plugin->ndata = self; + + ASSERT([_pluginPackage.get() pluginFuncs]->newp); + + // NPN_New(), which creates the plug-in instance, should never be called while calling a plug-in function for that instance. + ASSERT(pluginFunctionCallDepth == 0); + + PluginMainThreadScheduler::scheduler().registerPlugin(plugin); + + _isSilverlight = [[[_pluginPackage.get() bundle] bundleIdentifier] isEqualToString:@"com.microsoft.SilverlightPlugin"]; + + [[self class] setCurrentPluginView:self]; + NPError npErr = [_pluginPackage.get() pluginFuncs]->newp((char *)[_MIMEType.get() cString], plugin, _mode, argsCount, cAttributes, cValues, NULL); + [[self class] setCurrentPluginView:nil]; + LOG(Plugins, "NPP_New: %d", npErr); + return npErr; +} + +- (void)_destroyPlugin +{ + PluginMainThreadScheduler::scheduler().unregisterPlugin(plugin); + + NPError npErr; + npErr = ![_pluginPackage.get() pluginFuncs]->destroy(plugin, NULL); + LOG(Plugins, "NPP_Destroy: %d", npErr); + + if (Frame* frame = core([self webFrame])) + frame->script()->cleanupScriptObjectsForPlugin(self); + + free(plugin); + plugin = NULL; +} + +- (NSBitmapImageRep *)_printedPluginBitmap +{ +#ifdef NP_NO_QUICKDRAW + return nil; +#else + // Cannot print plugins that do not implement NPP_Print + if (![_pluginPackage.get() pluginFuncs]->print) + return nil; + + // This NSBitmapImageRep will share its bitmap buffer with a GWorld that the plugin will draw into. + // The bitmap is created in 32-bits-per-pixel ARGB format, which is the default GWorld pixel format. + NSBitmapImageRep *bitmap = [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL + pixelsWide:window.width + pixelsHigh:window.height + bitsPerSample:8 + samplesPerPixel:4 + hasAlpha:YES + isPlanar:NO + colorSpaceName:NSDeviceRGBColorSpace + bitmapFormat:NSAlphaFirstBitmapFormat + bytesPerRow:0 + bitsPerPixel:0] autorelease]; + ASSERT(bitmap); + + // Create a GWorld with the same underlying buffer into which the plugin can draw + ::Rect printGWorldBounds; + SetRect(&printGWorldBounds, 0, 0, window.width, window.height); + GWorldPtr printGWorld; + if (NewGWorldFromPtr(&printGWorld, + k32ARGBPixelFormat, + &printGWorldBounds, + NULL, + NULL, + 0, + (Ptr)[bitmap bitmapData], + [bitmap bytesPerRow]) != noErr) { + LOG_ERROR("Could not create GWorld for printing"); + return nil; + } + + /// Create NPWindow for the GWorld + NPWindow printNPWindow; + printNPWindow.window = &printGWorld; // Normally this is an NP_Port, but when printing it is the actual CGrafPtr + printNPWindow.x = 0; + printNPWindow.y = 0; + printNPWindow.width = window.width; + printNPWindow.height = window.height; + printNPWindow.clipRect.top = 0; + printNPWindow.clipRect.left = 0; + printNPWindow.clipRect.right = window.width; + printNPWindow.clipRect.bottom = window.height; + printNPWindow.type = NPWindowTypeDrawable; // Offscreen graphics port as opposed to a proper window + + // Create embed-mode NPPrint + NPPrint npPrint; + npPrint.mode = NP_EMBED; + npPrint.print.embedPrint.window = printNPWindow; + npPrint.print.embedPrint.platformPrint = printGWorld; + + // Tell the plugin to print into the GWorld + [self willCallPlugInFunction]; + { + JSC::JSLock::DropAllLocks dropAllLocks(false); + [_pluginPackage.get() pluginFuncs]->print(plugin, &npPrint); + } + [self didCallPlugInFunction]; + + // Don't need the GWorld anymore + DisposeGWorld(printGWorld); + + return bitmap; +#endif +} + +- (void)_redeliverStream +{ + if ([self dataSource] && _isStarted) { + // Deliver what has not been passed to the plug-in up to this point. + if (_dataLengthReceived > 0) { + NSData *data = [[[self dataSource] data] subdataWithRange:NSMakeRange(0, _dataLengthReceived)]; + _dataLengthReceived = 0; + [self pluginView:self receivedData:data]; + if (![[self dataSource] isLoading]) { + if (_error) + [self pluginView:self receivedError:_error.get()]; + else + [self pluginViewFinishedLoading:self]; + } + } + } +} + +@end + +#endif |