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/*
IMPORTANT: This Apple software is supplied to you by Apple Inc. ("Apple") in
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terms. If you do not agree with these terms, please do not use, install, modify or
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or logos of Apple Inc. may be used to endorse or promote products derived from
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herein, including but not limited to any patent rights that may be infringed by your
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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
USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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*/
#import "AudioPlayer.h"
#import "MenuHandler.h"
#import <Cocoa/Cocoa.h>
#import <WebKit/npapi.h>
#import <WebKit/npfunctions.h>
#import <WebKit/npruntime.h>
// Browser function table
static NPNetscapeFuncs* browser;
// Structure for per-instance storage
@interface PluginObject : NSObject <AudioPlayerDelegate> {
AudioPlayer *_audioPlayer;
MenuHandler *_menuHandler;
}
@property (nonatomic, readonly) NPP npp;
@property (nonatomic) NPWindow window;
@property (nonatomic, strong, readonly) NSURL *audioURL;
@property (nonatomic, copy, readonly) NSString *displayString;
@property (nonatomic, strong, readonly) MenuHandler *menuHandler;
@property (nonatomic) BOOL hasFocus;
@property (nonatomic, readonly, getter=isPlayingAudio) BOOL playingAudio;
@property (nonatomic, getter=isMuted) BOOL muted;
- (instancetype)initWithNPP:(NPP)npp audioURL:(NSURL *)audioURL;
@end
NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData*);
NPError NPP_Destroy(NPP instance, NPSavedData**);
NPError NPP_SetWindow(NPP instance, NPWindow*);
NPError NPP_NewStream(NPP instance, NPMIMEType, NPStream*, NPBool seekable, uint16_t* stype);
NPError NPP_DestroyStream(NPP instance, NPStream*, NPReason);
int32_t NPP_WriteReady(NPP instance, NPStream*);
int32_t NPP_Write(NPP instance, NPStream*, int32_t offset, int32_t len, void* buffer);
void NPP_StreamAsFile(NPP instance, NPStream*, 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, void* notifyData);
NPError NPP_GetValue(NPP instance, NPPVariable, void *value);
NPError NPP_SetValue(NPP instance, NPNVariable, void *value);
#pragma export on
// Mach-o entry points
NPError NP_Initialize(NPNetscapeFuncs *browserFuncs);
NPError NP_GetEntryPoints(NPPluginFuncs *);
void NP_Shutdown(void);
#pragma export off
static void invalidatePlugin(PluginObject *);
@implementation PluginObject
- (instancetype)initWithNPP:(NPP)npp audioURL:(NSURL *)audioURL
{
if (!(self = [super init]))
return nil;
_npp = npp;
_audioURL = [audioURL retain];
_audioPlayer = [[AudioPlayer alloc] initWithURL:audioURL];
_audioPlayer.audioPlayerDelegate = self;
NPBool isMuted;
if (browser->getvalue(npp, NPNVmuteAudioBool, &isMuted) != NPERR_NO_ERROR)
isMuted = FALSE;
self.muted = isMuted;
[self _invalidateDisplayString];
return self;
}
- (void)dealloc
{
[_audioURL release];
[_menuHandler release];
[_audioPlayer release];
[_displayString release];
[super dealloc];
}
- (MenuHandler *)menuHandler
{
if (!_menuHandler)
_menuHandler = [[MenuHandler alloc] initWithAudioPlayer:_audioPlayer];
return _menuHandler;
}
- (BOOL)isPlayingAudio
{
return _audioPlayer.isPlaying;
}
- (BOOL)isMuted
{
return _audioPlayer.isMuted;
}
- (void)setMuted:(BOOL)muted
{
_audioPlayer.muted = muted;
}
- (void)readyStateDidChangeForAudioPlayer:(AudioPlayer *)audioPlayer
{
[self _invalidateDisplayString];
invalidatePlugin(self);
}
- (void)mutedStateDidChangeForAudioPlayer:(AudioPlayer *)audioPlayer
{
}
- (void)playStateDidChangeForAudioPlayer:(AudioPlayer *)audioPlayer
{
[self _invalidateDisplayString];
invalidatePlugin(self);
browser->setvalue(_npp, NPPVpluginIsPlayingAudio, _audioPlayer.isPlaying);
}
- (void)_invalidateDisplayString
{
[_displayString release];
NSString *prefix;
if (!_audioPlayer.isReadyToPlay)
prefix = @"Loading: ";
else if (_audioPlayer.isPlaying)
prefix = @"Playing: ";
else
prefix = @"Ready to play: ";
_displayString = [[NSString stringWithFormat:@"%@ %@", prefix, _audioURL.absoluteString] retain];
}
@end
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
// 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);
NSURL *audioURL = nil;
for (int16_t i = 0; i < argc; i++) {
if (!strcasecmp(argn[i], "audiourl")) {
NSString *urlString = [NSString stringWithUTF8String:argv[i]];
if (urlString)
audioURL = [NSURL URLWithString:urlString];
break;
}
}
PluginObject *obj = [[PluginObject alloc] initWithNPP:instance audioURL:audioURL];
instance->pdata = obj;
return NPERR_NO_ERROR;
}
NPError NPP_Destroy(NPP instance, NPSavedData** save)
{
// Free per-instance storage
PluginObject *obj = instance->pdata;
[obj release];
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.displayString drawAtPoint:NSMakePoint(10, 10) withAttributes:nil];
[NSGraphicsContext setCurrentContext:oldContext];
[oldContext release];
}
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)
{
if (event->data.mouse.buttonNumber == 1)
browser->popupcontextmenu(obj.npp, (NPNSMenu *)[obj.menuHandler menu]);
}
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 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;
default:
break;
}
return 0;
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
}
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
PluginObject *obj = instance->pdata;
switch (variable) {
case NPPVpluginIsPlayingAudio:
if (value)
*((NPBool **)value) = obj.isPlayingAudio;
return NPERR_NO_ERROR;
default:
return NPERR_GENERIC_ERROR;
}
}
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
PluginObject *obj = instance->pdata;
switch (variable) {
case NPNVmuteAudioBool:
if (value)
obj.muted = *((NPBool *)value);
return NPERR_NO_ERROR;
default:
return NPERR_GENERIC_ERROR;
}
}