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Further work on experiment llmozlib/geko based embedded web browser

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This commit is contained in:
Robert Osfield
2008-11-14 16:48:07 +00:00
parent d75cc7f84d
commit b62cb79c7e
6 changed files with 799 additions and 311 deletions
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26
examples/osgbrowser/llembeddedbrowserwindow.cpp
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@@ -157,6 +157,8 @@ nsresult LLEmbeddedBrowserWindow::createBrowser( void* nativeWindowHandleIn, PRI
mWebBrowser = do_CreateInstance( NS_WEBBROWSER_CONTRACTID, &rv );
if ( ! mWebBrowser )
{
std::cout<<"createBrowser ! mWebBrowser at start"<<std::endl;
return NS_ERROR_FAILURE;
}
@@ -185,6 +187,7 @@ nsresult LLEmbeddedBrowserWindow::createBrowser( void* nativeWindowHandleIn, PRI
mWebNav = do_QueryInterface( mWebBrowser, &result );
if ( NS_FAILED( result ) || ! mWebNav )
{
std::cout<<"createBrowser ! do_QueryInterface"<<std::endl;
return NS_ERROR_FAILURE;
};
@@ -198,6 +201,8 @@ nsresult LLEmbeddedBrowserWindow::createBrowser( void* nativeWindowHandleIn, PRI
return NS_OK;
};
std::cout<<"createBrowser ! mWebBrowser"<<std::endl;
return NS_ERROR_FAILURE;
}
@@ -214,7 +219,9 @@ NS_INTERFACE_MAP_BEGIN( LLEmbeddedBrowserWindow )
NS_INTERFACE_MAP_ENTRY( nsIWebBrowserChrome )
NS_INTERFACE_MAP_ENTRY( nsIWebProgressListener )
NS_INTERFACE_MAP_ENTRY( nsIURIContentListener )
#ifdef SUPPORTS_WEAK_REFENCE
NS_INTERFACE_MAP_ENTRY( nsISupportsWeakReference )
#endif
#ifdef NS_DECL_NSITOOLKITOBSERVER
NS_INTERFACE_MAP_ENTRY( nsIToolkitObserver )
#endif
@@ -583,19 +590,26 @@ NS_IMETHODIMP LLEmbeddedBrowserWindow::OnSecurityChange( nsIWebProgress* aWebPro
// need to make this work with arbitrary rects (i.e. the dirty rect)
unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthIn, int heightIn )
{
std::cout<<"grabWindow("<<xIn<<", "<<yIn<<", "<<widthIn<<", "<<heightIn<<")"<<std::endl;
// sanity check
if ( ! mWebBrowser )
return 0;
std::cout<<"grabWindow() A"<<std::endl;
// only grab the window if it's enabled
if ( ! mEnabled )
return false;
std::cout<<"grabWindow() B"<<std::endl;
// get the docshell
nsCOMPtr< nsIDocShell > docShell = do_GetInterface( mWebBrowser );
if ( ! docShell )
return PR_FALSE;
std::cout<<"grabWindow() C"<<std::endl;
// get pres context
nsCOMPtr< nsPresContext > presContext;
@@ -603,6 +617,8 @@ unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthI
if ( NS_FAILED( result ) || ( ! presContext ) )
return PR_FALSE;
std::cout<<"grabWindow() D"<<std::endl;
// get view manager
nsIViewManager* viewManager = presContext->GetViewManager();
if ( ! viewManager )
@@ -622,6 +638,8 @@ unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthI
if ( rect.IsEmpty() )
return 0;
std::cout<<"grabWindow() E"<<std::endl;
float p2t = presContext->PixelsToTwips();
rect.width = NSIntPixelsToTwips( widthIn, p2t );
rect.height = NSIntPixelsToTwips( heightIn, p2t );
@@ -632,12 +650,16 @@ unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthI
if ( NS_FAILED( result ) )
return 0;
std::cout<<"grabWindow() F"<<std::endl;
// retrieve the surface we rendered to
nsIDrawingSurface* surface = nsnull;
context->GetDrawingSurface( &surface );
if ( ! surface )
return 0;
std::cout<<"grabWindow() G"<<std::endl;
// lock the surface and retrieve a pointer to the rendered data and current row span
PRUint8* data;
PRInt32 rowLen;
@@ -646,6 +668,8 @@ unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthI
if ( NS_FAILED ( result ) )
return 0;
std::cout<<"grabWindow() H "<< mBrowserRowSpan * mBrowserHeight<<std::endl;
// save row span - it *can* change during the life of the app
mBrowserDepth = rowLen / mBrowserWidth;
@@ -653,6 +677,8 @@ unsigned char* LLEmbeddedBrowserWindow::grabWindow( int xIn, int yIn, int widthI
if ( ! mPageBuffer )
mPageBuffer = new unsigned char[ mBrowserRowSpan * mBrowserHeight ];
std::cout<<"grabWindow() I "<<mBrowserRowSpan<<","<<mBrowserHeight<<" "<<(void*)mPageBuffer<<std::endl;
// save the pixels and optionally invert them
// (it's useful the SL client to get bitmaps that are inverted compared
// to the way that Mozilla renders them - allow to optionally flip