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/*
The MIT License
Copyright (c) 2008-2009 Click to Flash Developers
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#import "Plugin.h"
#import "CTFMenubarMenuController.h"
#import "CTFsIFRSupport.h"
#import "CTFUtilities.h"
#import "CTFWhitelist.h"
#import "NSBezierPath-RoundedRectangle.h"
#import "SparkleManager.h"
#define LOGGING_ENABLED 0
// MIME types
static NSString *sFlashOldMIMEType = @"application/x-shockwave-flash";
static NSString *sFlashNewMIMEType = @"application/futuresplash";
// NSUserDefaults keys
static NSString *sUseYouTubeH264DefaultsKey = @"ClickToFlash_useYouTubeH264";
static NSString *sAutoLoadInvisibleFlashViewsKey = @"ClickToFlash_autoLoadInvisibleViews";
static NSString *sPluginEnabled = @"ClickToFlash_pluginEnabled";
@interface CTFClickToFlashPlugin (Internal)
- (void) _convertTypesForFlashContainer;
- (void) _convertTypesForFlashContainerAfterDelay;
- (void) _convertToMP4Container;
- (void) _convertToMP4ContainerAfterDelay;
- (void) _prepareForConversion;
- (void) _revertToOriginalOpacityAttributes;
- (void) _drawBackground;
- (BOOL) _isOptionPressed;
- (void) _loadContent: (NSNotification*) notification;
- (void) _loadContentForWindow: (NSNotification*) notification;
- (NSDictionary*) _flashVarDictionary: (NSString*) flashvarString;
- (NSString*) flashvarWithName: (NSString*) argName;
- (BOOL) _hasH264Version;
- (BOOL) _useH264Version;
- (NSString *)launchedAppBundleIdentifier;
@end
#pragma mark -
#pragma mark Whitelist Utility Functions
@implementation CTFClickToFlashPlugin
#pragma mark -
#pragma mark Class Methods
+ (NSView *)plugInViewWithArguments:(NSDictionary *)arguments
{
return [[[self alloc] initWithArguments:arguments] autorelease];
}
#pragma mark -
#pragma mark Initialization and Superclass Overrides
- (id) initWithArguments:(NSDictionary *)arguments
{
self = [super init];
if (self) {
SparkleManager *sharedSparkleManager = [SparkleManager sharedManager];
NSWorkspace *sharedWorkspace = [NSWorkspace sharedWorkspace];
NSString *pathToRelaunch = [sharedWorkspace absolutePathForAppBundleWithIdentifier:[self launchedAppBundleIdentifier]];
[sharedSparkleManager setPathToRelaunch:pathToRelaunch];
[sharedSparkleManager startAutomaticallyCheckingForUpdates];
if (![[NSUserDefaults standardUserDefaults] objectForKey:sAutoLoadInvisibleFlashViewsKey]) {
// Default to auto-loading invisible flash views.
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:sAutoLoadInvisibleFlashViewsKey];
}
if (![[NSUserDefaults standardUserDefaults] objectForKey:sPluginEnabled]) {
// Default to enable the plugin
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:sPluginEnabled];
}
self.launchedAppBundleIdentifier = [self launchedAppBundleIdentifier];
self.webView = [[[arguments objectForKey:WebPlugInContainerKey] webFrame] webView];
self.container = [arguments objectForKey:WebPlugInContainingElementKey];
[self _migrateWhitelist];
// Get URL
NSURL *base = [arguments objectForKey:WebPlugInBaseURLKey];
self.baseURL = [base absoluteString];
self.host = [base host];
self.attributes = [arguments objectForKey:WebPlugInAttributesKey];
NSString *srcAttribute = [self.attributes objectForKey:@"src"];
if (srcAttribute) {
self.src = srcAttribute;
} else {
NSString *dataAttribute = [self.attributes objectForKey:@"data"];
if (dataAttribute) self.src = dataAttribute;
}
// set tooltip
if (self.src) [self setToolTip:self.src];
// Read in flashvars (needed to determine YouTube videos)
NSString* flashvars = [ self.attributes objectForKey: @"flashvars" ];
if( flashvars != nil )
_flashVars = [ [ self _flashVarDictionary: flashvars ] retain ];
#if LOGGING_ENABLED
NSLog( @"arguments = %@", arguments );
NSLog( @"flashvars = %@", _flashVars );
#endif
// check whether it's from YouTube and get the video_id
_fromYouTube = [self.host isEqualToString:@"www.youtube.com"]
|| ( flashvars != nil && [flashvars rangeOfString: @"www.youtube.com"].location != NSNotFound )
|| (self.src != nil && [self.src rangeOfString: @"youtube.com"].location != NSNotFound );
if (_fromYouTube) {
NSString *videoId = [ self flashvarWithName: @"video_id" ];
if (videoId != nil) {
self.videoId = videoId;
} else {
// scrub the URL to determine the video_id
NSString *videoIdFromURL = nil;
NSScanner *URLScanner = [[NSScanner alloc] initWithString:self.src];
[URLScanner scanUpToString:@"youtube.com/v/" intoString:nil];
if ([URLScanner scanString:@"youtube.com/v/" intoString:nil]) {
// URL is in required format, next characters are the id
[URLScanner scanUpToString:@"&" intoString:&videoIdFromURL];
if (videoIdFromURL) self.videoId = videoIdFromURL;
}
[URLScanner release];
}
}
// check whether plugin is disabled, load all content as normal if so
if ( ![ [ NSUserDefaults standardUserDefaults ] boolForKey: sPluginEnabled ] ) {
_isLoadingFromWhitelist = YES;
[self _convertTypesForContainer];
return self;
}
// Set up main menus
[ CTFMenubarMenuController sharedController ]; // trigger the menu items to be added
// Check for sIFR
if ([self _isSIFRText: arguments]) {
_badgeText = NSLocalizedString(@"sIFR Flash", @"sIFR Flash badge text");
if ([self _shouldAutoLoadSIFR]) {
_isLoadingFromWhitelist = YES;
[self _convertTypesForContainer];
return self;
}
else if ([self _shouldDeSIFR]) {
_isLoadingFromWhitelist = YES;
[self performSelector:@selector(_disableSIFR) withObject:nil afterDelay:0];
return self;
}
}
if ( [ [ NSUserDefaults standardUserDefaults ] boolForKey: sAutoLoadInvisibleFlashViewsKey ]
&& [ self isConsideredInvisible ] ) {
// auto-loading is on and this view meets the size constraints
_isLoadingFromWhitelist = YES;
[self _convertTypesForContainer];
return self;
}
BOOL loadFromWhiteList = [self _isHostWhitelisted];
// Check the SWF src URL itself against the whitelist (allows embbeded videos from whitelisted sites to play, e.g. YouTube)
if( !loadFromWhiteList )
{
if (srcAttribute) {
NSURL* swfSrc = [NSURL URLWithString:srcAttribute];
if( [self _isWhiteListedForHostString:[swfSrc host] ] )
{
loadFromWhiteList = YES;
}
}
}
// Handle if this is loading from whitelist
if(loadFromWhiteList && ![self _isOptionPressed]) {
_isLoadingFromWhitelist = YES;
[self _convertTypesForContainer];
return self;
}
// send a notification so that all flash objects can be tracked
// we only want to track it if we don't auto-load it
[[CTFMenubarMenuController sharedController] registerView: self];
// Observe various things:
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
// Observe for additions to the whitelist:
[self _addWhitelistObserver];
[center addObserver: self
selector: @selector( _loadContent: )
name: kCTFLoadAllFlashViews
object: nil ];
[center addObserver: self
selector: @selector( _loadContentForWindow: )
name: kCTFLoadFlashViewsForWindow
object: nil ];
[center addObserver: self
selector: @selector( _loadInvisibleContentForWindow: )
name: kCTFLoadInvisibleFlashViewsForWindow
object: nil ];
// if a Flash view has style attributes that make it transparent, the CtF
// view will similarly be transparent; we want to make it temporarily
// visible, and then restore the original attributes so that we don't
// have any display issues once the Flash view is loaded
// Should we apply this to the parent?
// That seems to be problematic.
// well, in my experience w/CSS, to get a layout to work a lot of the
// time, you need to create parent objects and apply styles to parents,
// so it seemed reasonable to check both self and parent for potential
// problems with opacity
NSMutableDictionary *originalOpacityDict = [NSMutableDictionary dictionary];
NSString *opacityResetString = @"; opacity: 1.000 !important; -moz-opacity: 1 !important; filter: alpha(opacity=1) !important;";
NSString *originalWmode = [self.container getAttribute:@"wmode"];
NSString *originalStyle = [self.container getAttribute:@"style"];
NSString *originalParentWmode = [(DOMElement *)[self.container parentNode] getAttribute:@"wmode"];
NSString *originalParentStyle = [(DOMElement *)[self.container parentNode] getAttribute:@"style"];
if (originalWmode != nil && [originalWmode length] > 0u && ![originalWmode isEqualToString:@"opaque"]) {
[originalOpacityDict setObject:originalWmode forKey:@"self-wmode"];
[self.container setAttribute:@"wmode" value:@"opaque"];
}
if (originalStyle != nil && [originalStyle length] > 0u && ![originalStyle hasSuffix:opacityResetString]) {
[originalOpacityDict setObject:originalStyle forKey:@"self-style"];
[originalOpacityDict setObject:[originalStyle stringByAppendingString:opacityResetString] forKey:@"modified-self-style"];
[self.container setAttribute:@"style" value:[originalStyle stringByAppendingString:opacityResetString]];
}
if (originalParentWmode != nil && [originalParentWmode length] > 0u && ![originalParentWmode isEqualToString:@"opaque"]) {
[originalOpacityDict setObject:originalParentWmode forKey:@"parent-wmode"];
[(DOMElement *)[self.container parentNode] setAttribute:@"wmode" value:@"opaque"];
}
if (originalParentStyle != nil && [originalParentStyle length] > 0u && ![originalParentStyle hasSuffix:opacityResetString]) {
[originalOpacityDict setObject:originalParentStyle forKey:@"parent-style"];
[originalOpacityDict setObject:[originalParentStyle stringByAppendingString:opacityResetString] forKey:@"modified-parent-style"];
[(DOMElement *)[self.container parentNode] setAttribute:@"style" value:[originalParentStyle stringByAppendingString:opacityResetString]];
}
self.originalOpacityAttributes = originalOpacityDict;
}
return self;
}
- (void) dealloc
{
[NSObject cancelPreviousPerformRequestsWithTarget:self];
[self _abortAlert]; // to be on the safe side
// notify that this ClickToFlash plugin is going away
[[CTFMenubarMenuController sharedController] unregisterView: self];
self.container = nil;
self.host = nil;
self.webView = nil;
self.baseURL = nil;
self.attributes = nil;
[_flashVars release];
[_badgeText release];
[[NSNotificationCenter defaultCenter] removeObserver: self];
#if LOGGING_ENABLED
NSLog(@"ClickToFlash:\tdealloc");
#endif
[super dealloc];
}
- (void) drawRect:(NSRect)rect
{
if(!_isLoadingFromWhitelist)
[self _drawBackground];
}
- (void) mouseDown:(NSEvent *)event
{
NSRect bounds = [ self bounds ];
float viewWidth = bounds.size.width;
float viewHeight = bounds.size.height;
float margin = 5.0;
float gearImageHeight = 16.0;
float gearImageWidth = 16.0;
BOOL xCoordWithinGearImage = NO;
BOOL yCoordWithinGearImage = NO;
// if the view is 32 pixels or smaller in either direction,
// the gear image is not drawn, so we shouldn't pop-up the contextual
// menu on a single-click either
if ( (viewWidth > 32) && (viewHeight > 32) ) {
NSPoint mouseLocation = [event locationInWindow];
NSPoint localMouseLocation = [self convertPoint:mouseLocation fromView:nil];
xCoordWithinGearImage = ( (localMouseLocation.x >= (0 + margin)) &&
(localMouseLocation.x <= (0 + margin + gearImageWidth)) );
yCoordWithinGearImage = ( (localMouseLocation.y >= (viewHeight - margin - gearImageHeight)) &&
(localMouseLocation.y <= (viewHeight - margin)) );
}
if (xCoordWithinGearImage && yCoordWithinGearImage) {
[NSMenu popUpContextMenu:[self menuForEvent:event] withEvent:event forView:self];
} else {
mouseIsDown = YES;
mouseInside = YES;
[self setNeedsDisplay:YES];
// Track the mouse so that we can undo our pressed-in look if the user drags the mouse outside the view, and reinstate it if the user drags it back in.
trackingArea = [[NSTrackingArea alloc] initWithRect:[self bounds]
options:NSTrackingMouseEnteredAndExited | NSTrackingActiveInKeyWindow | NSTrackingEnabledDuringMouseDrag
owner:self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
}
- (void) mouseEntered:(NSEvent *)event
{
mouseInside = YES;
[self setNeedsDisplay:YES];
}
- (void) mouseExited:(NSEvent *)event
{
mouseInside = NO;
[self setNeedsDisplay:YES];
}
- (void) mouseUp:(NSEvent *)event
{
mouseIsDown = NO;
// Display immediately because we don't want to end up drawing after we've swapped in the Flash movie.
[self display];
// We're done tracking.
[self removeTrackingArea:trackingArea];
[trackingArea release];
trackingArea = nil;
if (mouseInside) {
if ([self _isOptionPressed] && ![self _isHostWhitelisted]) {
[self _askToAddCurrentSiteToWhitelist];
} else {
[self _convertTypesForContainer];
}
}
}
- (BOOL) _isOptionPressed
{
BOOL isOptionPressed = (([[NSApp currentEvent] modifierFlags] & NSAlternateKeyMask) != 0);
return isOptionPressed;
}
- (BOOL) isConsideredInvisible
{
int height = (int)([self webView].frame.size.height);
int width = (int)([self webView].frame.size.width);
if ( (height <= maxInvisibleDimension) && (width <= maxInvisibleDimension) )
{
return YES;
}
NSDictionary *attributes = self.attributes;
if ( attributes != nil )
{
NSString *heightObject = [attributes objectForKey:@"height"];
NSString *widthObject = [attributes objectForKey:@"width"];
if ( heightObject != nil && widthObject != nil )
{
height = [heightObject intValue];
width = [widthObject intValue];
if ( (height <= maxInvisibleDimension) && (width <= maxInvisibleDimension) )
{
return YES;
}
}
}
return NO;
}
#pragma mark -
#pragma mark Contextual menu
- (NSMenu*) menuForEvent: (NSEvent*) event
{
// Set up contextual menu
if( ![ self menu ] ) {
if (![NSBundle loadNibNamed:@"ContextualMenu" owner:self]) {
NSLog(@"Could not load contextual menu plugin");
}
else {
if ([self _hasH264Version]) {
[[self menu] insertItemWithTitle: NSLocalizedString( @"Load H.264", "Load H.264 context menu item" )
action: @selector( loadH264: ) keyEquivalent: @"" atIndex: 1];
[[self menu] insertItemWithTitle: NSLocalizedString( @"Download H.264", "Download H.264 menu item" )
action: @selector( downloadH264: ) keyEquivalent: @"" atIndex: 2];
[[[self menu] itemAtIndex: 1] setTarget: self];
[[[self menu] itemAtIndex: 2] setTarget: self];
} else if (_fromYouTube) {
// has no H.264 version but is from YouTube; it's an embedded view!
[[self menu] insertItemWithTitle: NSLocalizedString ( @"Load YouTube.com page for this video", "Load YouTube page menu item" )
action: @selector (loadYouTubePage: ) keyEquivalent: @"" atIndex: 1];
[[[self menu] itemAtIndex: 1] setTarget: self];
}
}
}
return [self menu];
}
- (BOOL) validateMenuItem: (NSMenuItem *)menuItem
{
BOOL enabled = YES;
SEL action = [menuItem action];
if (action == @selector(addToWhitelist:))
{
NSString* title = [NSString stringWithFormat:
NSLocalizedString(@"Add %@ to Whitelist", @"Add <sitename> to Whitelist menu title"),
self.host];
[menuItem setTitle: title];
if ([self _isHostWhitelisted])
enabled = NO;
}
else if (action == @selector(removeFromWhitelist:))
{
if (![self _isHostWhitelisted])
enabled = NO;
}
return enabled;
}
#pragma mark -
#pragma mark Loading
- (IBAction)loadFlash:(id)sender;
{
[self _convertTypesForFlashContainer];
}
- (IBAction)loadH264:(id)sender;
{
[self _convertToMP4Container];
}
- (IBAction)loadAllOnPage:(id)sender
{
[[CTFMenubarMenuController sharedController] loadFlashForWindow: [self window]];
}
- (void) _loadContent: (NSNotification*) notification
{
[self _convertTypesForContainer];
}
- (void) _loadContentForWindow: (NSNotification*) notification
{
if( [ notification object ] == [ self window ] )
[ self _convertTypesForContainer ];
}
- (void) _loadInvisibleContentForWindow: (NSNotification*) notification
{
if( [ notification object ] == [ self window ] && [ self isConsideredInvisible ] ) {
[ self _convertTypesForContainer ];
}
}
#pragma mark -
#pragma mark Drawing
- (NSString*) badgeLabelText
{
if( [ self _useH264Version ] )
return NSLocalizedString( @"H.264", @"H.264 badge text" );
else if( [ self _hasH264Version ] )
return NSLocalizedString( @"YouTube", @"YouTube badge text" );
else if( _badgeText )
return _badgeText;
else
return NSLocalizedString( @"Flash", @"Flash badge text" );
}
- (void) _drawBadgeWithPressed: (BOOL) pressed
{
// What and how are we going to draw?
const float kFrameXInset = 10;
const float kFrameYInset = 4;
const float kMinMargin = 11;
const float kMinHeight = 6;
NSString* str = [ self badgeLabelText ];
NSDictionary* attrs = [ NSDictionary dictionaryWithObjectsAndKeys:
[ NSFont boldSystemFontOfSize: 20 ], NSFontAttributeName,
[ NSNumber numberWithInt: -1 ], NSKernAttributeName,
[ NSColor blackColor ], NSForegroundColorAttributeName,
nil ];
// Set up for drawing.
NSRect bounds = [ self bounds ];
float viewWidth = bounds.size.width;
float viewHeight = bounds.size.height;
// How large would this text be?
NSSize strSize = [ str sizeWithAttributes: attrs ];
float w = strSize.width + kFrameXInset * 2;
float h = strSize.height + kFrameYInset * 2;
// Compute a scale factor based on the view's size.
float maxW = NSWidth( bounds ) - kMinMargin;
float maxH = NSHeight( bounds ) - kMinMargin;
float minW = kMinHeight * w / h;
BOOL rotate = NO;
if( maxW <= minW ) // too narrow in width, so rotate it
rotate = YES;
if( rotate ) { // swap the dimensions to scale into
float temp = maxW;
maxW = maxH;
maxH = temp;
}
if( maxH <= kMinHeight ) {
// Too short in height for full margin.
// Draw at the smallest size, with less margin,
// unless even that would get clipped off.
if( maxH + kMinMargin < kMinHeight )
return;
maxH = kMinHeight;
}
float scaleFactor = 1.0;
if( maxW < w )
scaleFactor = maxW / w;
if( maxH < h && maxH / h < scaleFactor )
scaleFactor = maxH / h;
// Apply the scale, and a transform so the result is centered in the view.
[ NSGraphicsContext saveGraphicsState ];
NSAffineTransform* xform = [ NSAffineTransform transform ];
[ xform translateXBy: NSWidth( bounds ) / 2 yBy: NSHeight( bounds ) / 2 ];
[ xform scaleBy: scaleFactor ];
if( rotate )
[ xform rotateByDegrees: 90 ];
[ xform concat ];
CGContextRef context = [ [ NSGraphicsContext currentContext ] graphicsPort ];
CGContextSetAlpha( context, pressed ? 0.40 : 0.25 );
CGContextBeginTransparencyLayer( context, nil );
// Draw everything at full size, centered on the origin.
NSPoint loc = { -strSize.width / 2, -strSize.height / 2 };
NSRect borderRect = NSMakeRect( loc.x - kFrameXInset, loc.y - kFrameYInset, w, h );
NSBezierPath* fillPath = bezierPathWithRoundedRectCornerRadius( NSInsetRect( borderRect, -2, -2 ), 6 );
[ [ NSColor colorWithCalibratedWhite: 1.0 alpha: 0.25 ] set ];
[ fillPath fill ];
NSBezierPath* path = bezierPathWithRoundedRectCornerRadius( borderRect, 4 );
[ [ NSColor blackColor ] set ];
[ path setLineWidth: 3 ];
[ path stroke ];
[ str drawAtPoint: loc withAttributes: attrs ];
// add the gear for the contextual menu, but only if the view is
// greater than a certain size
// de-apply the scaling factor first, otherwise drawing will be off
NSAffineTransform *xformTwo = [NSAffineTransform transform];
[xformTwo scaleBy: 1/scaleFactor];
[xformTwo concat];
if ((viewWidth > 32) && (viewHeight > 32)) {
float margin = 5.0;
NSImage *gearImage = [NSImage imageNamed:@"NSActionTemplate"];
NSColor *startingColor = [NSColor colorWithDeviceWhite:1.0 alpha:1.0];
NSColor *endingColor = [NSColor colorWithDeviceWhite:1.0 alpha:0.0];
NSGradient *gradient = [[NSGradient alloc] initWithStartingColor:startingColor endingColor:endingColor];
NSPoint gearImageCenter = NSMakePoint(0 - viewWidth/2 + margin + gearImage.size.height/2,
viewHeight/2 - margin - gearImage.size.height/2);
// draw gradient behind gear so that it's visible even on dark backgrounds
[gradient drawFromCenter:gearImageCenter
radius:0.0
toCenter:gearImageCenter
radius:gearImage.size.height/2*1.5
options:0];
[gradient release];
// draw the gear image
[gearImage drawAtPoint:NSMakePoint(0 - viewWidth/2 + margin,viewHeight/2 - margin - gearImage.size.height)
fromRect:NSZeroRect
operation:NSCompositeSourceOver
fraction:1.0];
}
// Now restore the graphics state:
CGContextEndTransparencyLayer( context );
[ NSGraphicsContext restoreGraphicsState ];
}
- (void) _drawBackground
{
NSRect selfBounds = [self bounds];
NSRect fillRect = NSInsetRect(selfBounds, 1.0, 1.0);
NSRect strokeRect = selfBounds;
NSColor *startingColor = [NSColor colorWithDeviceWhite:1.0 alpha:0.15];
NSColor *endingColor = [NSColor colorWithDeviceWhite:0.0 alpha:0.15];
NSGradient *gradient = [[NSGradient alloc] initWithStartingColor:startingColor endingColor:endingColor];
// When the mouse is up or outside the view, we want a convex look, so we draw the gradient downward (90+180=270 degrees).
// When the mouse is down and inside the view, we want a concave look, so we draw the gradient upward (90 degrees).
[gradient drawInBezierPath:[NSBezierPath bezierPathWithRect:fillRect] angle:90.0 + ((mouseIsDown && mouseInside) ? 0.0 : 180.0)];
// Draw stroke
[[NSColor colorWithCalibratedWhite:0.0 alpha:0.50] set];
[NSBezierPath setDefaultLineWidth:2.0];
[NSBezierPath setDefaultLineCapStyle:NSSquareLineCapStyle];
[[NSBezierPath bezierPathWithRect:strokeRect] stroke];
[gradient release];
// Draw label
[ self _drawBadgeWithPressed: mouseIsDown && mouseInside ];
}
#pragma mark -
#pragma mark YouTube H.264 support
- (NSDictionary*) _flashVarDictionary: (NSString*) flashvarString
{
NSMutableDictionary* flashVarsDictionary = [ NSMutableDictionary dictionary ];
NSArray* args = [ flashvarString componentsSeparatedByString: @"&" ];
CTFForEachObject( NSString, oneArg, args ) {
NSRange sepRange = [ oneArg rangeOfString: @"=" ];
if( sepRange.location != NSNotFound ) {
NSString* key = [ oneArg substringToIndex: sepRange.location ];
NSString* val = [ oneArg substringFromIndex: NSMaxRange( sepRange ) ];
[ flashVarsDictionary setObject: val forKey: key ];
}
}
return flashVarsDictionary;
}
- (NSString*) flashvarWithName: (NSString*) argName
{
return [ _flashVars objectForKey: argName ];
}
/*- (NSString*) _videoId
{
return [ self flashvarWithName: @"video_id" ];
}*/
- (NSString*) _videoHash
{
return [ self flashvarWithName: @"t" ];
}
- (BOOL) _hasH264Version
{
if( _fromYouTube )
return self.videoId != nil && [ self _videoHash ] != nil;
else
return NO;
}
- (BOOL) _useH264Version
{
return [ self _hasH264Version ]
&& [ [ NSUserDefaults standardUserDefaults ] boolForKey: sUseYouTubeH264DefaultsKey ]
&& [ [ NSUserDefaults standardUserDefaults ] boolForKey: sPluginEnabled ];
}
- (void) _convertElementForMP4: (DOMElement*) element
{
NSString* video_id = self.videoId;
NSString* video_hash = [ self _videoHash ];
NSString* src = [ NSString stringWithFormat: @"http://www.youtube.com/get_video?fmt=18&video_id=%@&t=%@",
video_id, video_hash ];
[ element setAttribute: @"src" value: src ];
[ element setAttribute: @"type" value: @"video/mp4" ];
[ element setAttribute: @"scale" value: @"aspect" ];
[ element setAttribute: @"autoplay" value: @"true" ];
[ element setAttribute: @"cache" value: @"false" ];
if( ! [ element hasAttribute: @"width" ] )
[ element setAttribute: @"width" value: @"640" ];
if( ! [ element hasAttribute: @"height" ] )
[ element setAttribute: @"height" value: @"500" ];
[ element setAttribute: @"flashvars" value: nil ];
}
- (void) _convertToMP4Container
{
[self _revertToOriginalOpacityAttributes];
// Delay this until the end of the event loop, because it may cause self to be deallocated
[self _prepareForConversion];
[self performSelector:@selector(_convertToMP4ContainerAfterDelay) withObject:nil afterDelay:0.0];
}
- (void) _convertToMP4ContainerAfterDelay
{
DOMElement* newElement = (DOMElement*) [ self.container cloneNode: NO ];
[ self _convertElementForMP4: newElement ];
// Just to be safe, since we are about to replace our containing element
[[self retain] autorelease];
// Replace self with element.
[self.container.parentNode replaceChild:newElement oldChild:self.container];
self.container = nil;
}
- (NSString *)launchedAppBundleIdentifier
{
NSString *appBundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
if ([appBundleIdentifier isEqualToString:@"com.apple.Safari"]) {
// additional tests need to be performed, because this can indicate
// either WebKit *or* Safari; according to @bdash on Twitter, we need
// to check whether the framework bundle that we're using is
// contained within WebKit.app or not
// however, the user may have renamed the bundle, so we have to get
// its path, then get its bundle identifier
NSString *privateFrameworksPath = [[NSBundle bundleForClass:[WebView class]] privateFrameworksPath];
NSScanner *pathScanner = [[NSScanner alloc] initWithString:privateFrameworksPath];
NSString *pathString = nil;
[pathScanner scanUpToString:@".app" intoString:&pathString];
NSBundle *testBundle = [[NSBundle alloc] initWithPath:[pathString stringByAppendingPathExtension:@"app"]];
NSString *testBundleIdentifier = [testBundle bundleIdentifier];
[testBundle release];
[pathScanner release];
// Safari uses the framework inside /System/Library/Frameworks/ , and
// since there's no ".app" extension in that path, the resulting
// bundle identifier will be nil; however, if it's WebKit, there *will*
// be a ".app" in the frameworks path, and we'll get a valid bundle
// identifier to launch with
if (testBundleIdentifier != nil) appBundleIdentifier = testBundleIdentifier;
}
return appBundleIdentifier;
}
- (IBAction)downloadH264:(id)sender
{
NSString* video_id = self.videoId;
NSString* video_hash = [ self _videoHash ];
NSString* src = [ NSString stringWithFormat: @"http://www.youtube.com/get_video?fmt=18&video_id=%@&t=%@",
video_id, video_hash ];
[[NSWorkspace sharedWorkspace] openURLs:[NSArray arrayWithObject:[NSURL URLWithString:src]]
withAppBundleIdentifier:self.launchedAppBundleIdentifier
options:NSWorkspaceLaunchDefault
additionalEventParamDescriptor:[NSAppleEventDescriptor nullDescriptor]
launchIdentifiers:nil];
}
- (IBAction)loadYouTubePage:(id)sender
{
NSString* YouTubePageURL = [ NSString stringWithFormat: @"http://www.youtube.com/watch?v=%@",self.videoId ];
[[NSWorkspace sharedWorkspace] openURLs:[NSArray arrayWithObject:[NSURL URLWithString:YouTubePageURL]]
withAppBundleIdentifier:self.launchedAppBundleIdentifier
options:NSWorkspaceLaunchDefault
additionalEventParamDescriptor:[NSAppleEventDescriptor nullDescriptor]
launchIdentifiers:nil];
}
#pragma mark -
#pragma mark DOM Conversion
- (void) _convertTypesForElement:(DOMElement *)element
{
NSString *type = [element getAttribute:@"type"];
if ([type isEqualToString:sFlashOldMIMEType] || [type length] == 0) {
[element setAttribute:@"type" value:sFlashNewMIMEType];
}
}
- (void) _convertTypesForContainer
{
if ([self _useH264Version])
[self _convertToMP4Container];
else
[self _convertTypesForFlashContainer];
}
- (void) _convertTypesForFlashContainer
{
[self _revertToOriginalOpacityAttributes];
// Delay this until the end of the event loop, because it may cause self to be deallocated
[self _prepareForConversion];
[self performSelector:@selector(_convertTypesForFlashContainerAfterDelay) withObject:nil afterDelay:0.0];
}
- (void) _convertTypesForFlashContainerAfterDelay
{
DOMNodeList *nodeList = nil;
NSUInteger i;
[self _convertTypesForElement:self.container];
nodeList = [self.container getElementsByTagName:@"object"];
for (i = 0; i < nodeList.length; i++) {
[self _convertTypesForElement:(DOMElement *)[nodeList item:i]];
}
nodeList = [self.container getElementsByTagName:@"embed"];
for (i = 0; i < nodeList.length; i++) {
[self _convertTypesForElement:(DOMElement *)[nodeList item:i]];
}
// Remove & reinsert the node to persuade the plugin system to notice the type change:
id parent = self.container.parentNode;
id successor = self.container.nextSibling;
[parent removeChild:self.container];
[parent insertBefore:self.container refChild:successor];
self.container = nil;
}
- (void) _prepareForConversion
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
// notify that this ClickToFlash plugin is going away
[[CTFMenubarMenuController sharedController] unregisterView: self];
[ self _abortAlert ];
}
- (void) _revertToOriginalOpacityAttributes
{
NSString *selfWmode = [self.originalOpacityAttributes objectForKey:@"self-wmode"];
if (selfWmode != nil ) {
[self.container setAttribute:@"wmode" value:selfWmode];
}
NSString *currentStyle = [self.container getAttribute:@"style"];
NSString *originalSelfStyle = [self.originalOpacityAttributes objectForKey:@"self-style"];
if (originalSelfStyle != nil ) {
if ([currentStyle isEqualToString:[self.originalOpacityAttributes objectForKey:@"modified-self-style"]]) {
[self.container setAttribute:@"style" value:originalSelfStyle];
}
}
NSString *parentWmode = [self.originalOpacityAttributes objectForKey:@"parent-wmode"];
if (parentWmode != nil ) {
[(DOMElement *)[self.container parentNode] setAttribute:@"wmode" value:parentWmode];
}
NSString *currentParentStyle = [(DOMElement *)[self.container parentNode] getAttribute:@"style"];
NSString *originalParentStyle = [self.originalOpacityAttributes objectForKey:@"parent-style"];
if (originalParentStyle != nil ) {
if ([currentParentStyle isEqualToString:[self.originalOpacityAttributes objectForKey:@"modified-parent-style"]]) {
[(DOMElement *)[self.container parentNode] setAttribute:@"style" value:originalParentStyle];
}
}
}
@synthesize webView = _webView;
@synthesize container = _container;
@synthesize host = _host;
@synthesize baseURL = _baseURL;
@synthesize attributes = _attributes;
@synthesize originalOpacityAttributes = _originalOpacityAttributes;
@synthesize src = _src;
@synthesize videoId = _videoId;
@synthesize launchedAppBundleIdentifier = _launchedAppBundleIdentifier;
@end
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