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/*
IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS
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*/
#import <WebKit/npapi.h>
#import <WebKit/npfunctions.h>
#import <WebKit/npruntime.h>
#import <Cocoa/Cocoa.h>
#import "MenuHandler.h"
// Browser function table
static NPNetscapeFuncs* browser;
// Structure for per-instance storage
typedef struct PluginObject
{
NPP npp;
NPWindow window;
NSString *string;
bool hasFocus;
bool mouseIsInsidePlugin;
MenuHandler *menuHandler;
} PluginObject;
NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved);
NPError NPP_Destroy(NPP instance, NPSavedData** save);
NPError NPP_SetWindow(NPP instance, NPWindow* window);
NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype);
NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason);
int32_t NPP_WriteReady(NPP instance, NPStream* stream);
int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer);
void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
void NPP_Print(NPP instance, NPPrint* platformPrint);
int16_t NPP_HandleEvent(NPP instance, void* event);
void NPP_URLNotify(NPP instance, const char* URL, NPReason reason, void* notifyData);
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value);
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value);
#pragma export on
// Mach-o entry points
NPError NP_Initialize(NPNetscapeFuncs *browserFuncs);
NPError NP_GetEntryPoints(NPPluginFuncs *pluginFuncs);
void NP_Shutdown(void);
#pragma export off
NPError NP_Initialize(NPNetscapeFuncs* browserFuncs)
{
browser = browserFuncs;
return NPERR_NO_ERROR;
}
NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs)
{
pluginFuncs->version = 11;
pluginFuncs->size = sizeof(pluginFuncs);
pluginFuncs->newp = NPP_New;
pluginFuncs->destroy = NPP_Destroy;
pluginFuncs->setwindow = NPP_SetWindow;
pluginFuncs->newstream = NPP_NewStream;
pluginFuncs->destroystream = NPP_DestroyStream;
pluginFuncs->asfile = NPP_StreamAsFile;
pluginFuncs->writeready = NPP_WriteReady;
pluginFuncs->write = (NPP_WriteProcPtr)NPP_Write;
pluginFuncs->print = NPP_Print;
pluginFuncs->event = NPP_HandleEvent;
pluginFuncs->urlnotify = NPP_URLNotify;
pluginFuncs->getvalue = NPP_GetValue;
pluginFuncs->setvalue = NPP_SetValue;
return NPERR_NO_ERROR;
}
void NP_Shutdown(void)
{
}
NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved)
{
// Create per-instance storage
PluginObject *obj = (PluginObject *)malloc(sizeof(PluginObject));
bzero(obj, sizeof(PluginObject));
obj->npp = instance;
instance->pdata = obj;
// Ask the browser if it supports the CoreGraphics drawing model
NPBool supportsCoreGraphics;
if (browser->getvalue(instance, NPNVsupportsCoreGraphicsBool, &supportsCoreGraphics) != NPERR_NO_ERROR)
supportsCoreGraphics = FALSE;
if (!supportsCoreGraphics)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
// If the browser supports the CoreGraphics drawing model, enable it.
browser->setvalue(instance, NPPVpluginDrawingModel, (void *)NPDrawingModelCoreGraphics);
// If the browser supports the Cocoa event model, enable it.
NPBool supportsCocoa;
if (browser->getvalue(instance, NPNVsupportsCocoaBool, &supportsCocoa) != NPERR_NO_ERROR)
supportsCocoa = FALSE;
if (!supportsCocoa)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
browser->setvalue(instance, NPPVpluginEventModel, (void *)NPEventModelCocoa);
return NPERR_NO_ERROR;
}
NPError NPP_Destroy(NPP instance, NPSavedData** save)
{
// Free per-instance storage
PluginObject *obj = instance->pdata;
[obj->string release];
[obj->menuHandler release];
free(obj);
return NPERR_NO_ERROR;
}
NPError NPP_SetWindow(NPP instance, NPWindow* window)
{
PluginObject *obj = instance->pdata;
obj->window = *window;
return NPERR_NO_ERROR;
}
NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)
{
*stype = NP_ASFILEONLY;
return NPERR_NO_ERROR;
}
NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
{
return NPERR_NO_ERROR;
}
int32_t NPP_WriteReady(NPP instance, NPStream* stream)
{
return 0;
}
int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer)
{
return 0;
}
void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
{
}
void NPP_Print(NPP instance, NPPrint* platformPrint)
{
}
static void handleDraw(PluginObject *obj, NPCocoaEvent *event)
{
NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:event->data.draw.context
flipped:YES];
[NSGraphicsContext setCurrentContext:context];
NSRect rect = NSMakeRect(0, 0, obj->window.width, obj->window.height);
[[NSColor lightGrayColor] set];
[NSBezierPath fillRect:rect];
// If the plugin has focus, draw a focus indicator
if (obj->hasFocus) {
[[NSColor blackColor] set];
NSBezierPath *path = [NSBezierPath bezierPathWithRect:rect];
[path setLineWidth:5];
[path stroke];
}
[obj->string drawAtPoint:NSMakePoint(10, 10) withAttributes:nil];
[NSGraphicsContext setCurrentContext:oldContext];
}
static NSString *eventType(NPCocoaEventType type)
{
switch (type) {
case NPCocoaEventScrollWheel:
return @"NPCocoaEventScrollWheel";
case NPCocoaEventMouseDown:
return @"NPCocoaEventMouseDown";
case NPCocoaEventMouseUp:
return @"NPCocoaEventMouseUp";
case NPCocoaEventMouseMoved:
return @"NPCocoaEventMouseMoved";
case NPCocoaEventMouseDragged:
return @"NPCocoaEventMouseDragged";
case NPCocoaEventMouseEntered:
return @"NPCocoaEventMouseEntered";
case NPCocoaEventMouseExited:
return @"NPCocoaEventMouseExited";
case NPCocoaEventKeyDown:
return @"NPCocoaEventKeyDown";
case NPCocoaEventKeyUp:
return @"NPCocoaEventKeyUp";
case NPCocoaEventFlagsChanged:
return @"NPCocoaEventFlagsChanged";
default:
return @"unknown";
}
}
static void invalidatePlugin(PluginObject *obj)
{
NPRect rect;
rect.left = 0;
rect.top = 0;
rect.right = obj->window.width;
rect.bottom = obj->window.height;
browser->invalidaterect(obj->npp, &rect);
}
static void handleMouseEvent(PluginObject *obj, NPCocoaEvent *event)
{
NSString *string = [NSString stringWithFormat:@"Type: %@\n"
"Modifier flags: 0x%x\n"
"Coordinates: (%g, %g)\n"
"Button number: %d\n"
"Click count: %d\n"
"Delta: (%g, %g, %g)",
eventType(event->type),
event->data.mouse.modifierFlags,
event->data.mouse.pluginX,
event->data.mouse.pluginY,
event->data.mouse.buttonNumber,
event->data.mouse.clickCount,
event->data.mouse.deltaX, event->data.mouse.deltaY, event->data.mouse.deltaZ];
[obj->string release];
obj->string = [string retain];
invalidatePlugin(obj);
if (event->data.mouse.buttonNumber == 1) {
if (!obj->menuHandler)
obj->menuHandler = [[MenuHandler alloc] initWithBrowserFuncs:browser instance:obj->npp];
browser->popupcontextmenu(obj->npp, (NPNSMenu *)[obj->menuHandler menu]);
}
}
static void handleKeyboardEvent(PluginObject *obj, NPCocoaEvent *event)
{
NSString *string = [NSString stringWithFormat:@"Type: %@\n"
"Modifier flags: 0x%x\n"
"Characters: %@\n"
"Characters ignoring modifiers: %@\n"
"Is a repeat: %@\n"
"Key code: %d",
eventType(event->type),
event->data.key.modifierFlags,
event->data.key.characters,
event->data.key.charactersIgnoringModifiers,
event->data.key.isARepeat ? @"YES" : @"NO",
event->data.key.keyCode];
[obj->string release];
obj->string = [string retain];
invalidatePlugin(obj);
}
int16_t NPP_HandleEvent(NPP instance, void* event)
{
PluginObject *obj = instance->pdata;
NPCocoaEvent *cocoaEvent = event;
switch(cocoaEvent->type) {
case NPCocoaEventFocusChanged:
obj->hasFocus = cocoaEvent->data.focus.hasFocus;
invalidatePlugin(obj);
return 1;
case NPCocoaEventDrawRect:
handleDraw(obj, cocoaEvent);
return 1;
case NPCocoaEventKeyDown:
case NPCocoaEventKeyUp:
case NPCocoaEventFlagsChanged:
handleKeyboardEvent(obj, cocoaEvent);
return 1;
case NPCocoaEventMouseDown:
case NPCocoaEventMouseUp:
// FIXME: NPCocoaEventMouseMoved is currently disabled in order to see other events more clearly
// without "drowning" in mouse moved events.
// case NPCocoaEventMouseMoved:
case NPCocoaEventMouseEntered:
case NPCocoaEventMouseExited:
case NPCocoaEventMouseDragged:
case NPCocoaEventScrollWheel:
handleMouseEvent(obj, cocoaEvent);
return 1;
}
return 0;
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
}
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
return NPERR_GENERIC_ERROR;
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
return NPERR_GENERIC_ERROR;
}