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Implemented nsIClipboardCommands by calling through to the appropriate controller. r=sfraser,a=hyatt. bug#46867

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This commit is contained in:
pinkerton@netscape.com
2000-11-16 20:08:48 +00:00
parent cfe48085c7
commit 89a92cc7e9
2 changed files with 81 additions and 22 deletions
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96
docshell/base/nsWebShell.cpp
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@@ -98,6 +98,9 @@ typedef unsigned long HMTX;
#include "nsISocketTransportService.h"
#include "nsILayoutHistoryState.h"
#include "nsTextFormatter.h"
#include "nsPIDOMWindow.h"
#include "nsIController.h"
#include "nsIFocusController.h"
#include "nsIHTTPChannel.h" // add this to the ick include list...we need it to QI for post data interface
#include "nsHTTPEnums.h"
@@ -1213,17 +1216,68 @@ nsWebShell::OnEndURLLoad(nsIDocumentLoader* loader,
return NS_OK;
}
//----------------------------------------------------
//
// Routines for selection and clipboard
//
#ifdef XP_MAC
#pragma mark -
#endif
nsresult
nsWebShell :: GetControllerForCommand ( nsAReadableString & inCommand, nsIController** outController )
{
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsPIDOMWindow> window ( do_QueryInterface(mScriptGlobal) );
if ( window ) {
nsCOMPtr<nsIFocusController> focusController;
rv = window->GetRootFocusController ( getter_AddRefs(focusController) );
if ( focusController )
rv = focusController->GetControllerForCommand ( inCommand, getter_AddRefs(outController) ) ;
} // if window
return rv;
} // GetControllerForCommand
nsresult
nsWebShell :: IsCommandEnabled ( nsAReadableString & inCommand, PRBool* outEnabled )
{
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIController> controller;
rv = GetControllerForCommand ( inCommand, getter_AddRefs(controller) );
if ( controller )
rv = controller->IsCommandEnabled(nsPromiseFlatString(inCommand), outEnabled);
return rv;
}
nsresult
nsWebShell :: DoCommand ( nsAReadableString & inCommand )
{
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIController> controller;
rv = GetControllerForCommand ( inCommand, getter_AddRefs(controller) );
if ( controller )
rv = controller->DoCommand(nsPromiseFlatString(inCommand));
return rv;
}
NS_IMETHODIMP
nsWebShell::CanCutSelection(PRBool* aResult)
{
nsresult rv = NS_OK;
nsresult rv = NS_ERROR_NULL_POINTER;
if (nsnull == aResult) {
rv = NS_ERROR_NULL_POINTER;
} else {
*aResult = PR_FALSE;
}
if ( aResult )
rv = IsCommandEnabled ( NS_LITERAL_STRING("cmd_cut"), aResult );
return rv;
}
@@ -1231,13 +1285,10 @@ nsWebShell::CanCutSelection(PRBool* aResult)
NS_IMETHODIMP
nsWebShell::CanCopySelection(PRBool* aResult)
{
nsresult rv = NS_OK;
nsresult rv = NS_ERROR_NULL_POINTER;
if (nsnull == aResult) {
rv = NS_ERROR_NULL_POINTER;
} else {
*aResult = PR_FALSE;
}
if ( aResult )
rv = IsCommandEnabled ( NS_LITERAL_STRING("cmd_copy"), aResult );
return rv;
}
@@ -1245,13 +1296,10 @@ nsWebShell::CanCopySelection(PRBool* aResult)
NS_IMETHODIMP
nsWebShell::CanPasteSelection(PRBool* aResult)
{
nsresult rv = NS_OK;
nsresult rv = NS_ERROR_NULL_POINTER;
if (nsnull == aResult) {
rv = NS_ERROR_NULL_POINTER;
} else {
*aResult = PR_FALSE;
}
if ( aResult )
rv = IsCommandEnabled ( NS_LITERAL_STRING("cmd_paste"), aResult );
return rv;
}
@@ -1259,19 +1307,19 @@ nsWebShell::CanPasteSelection(PRBool* aResult)
NS_IMETHODIMP
nsWebShell::CutSelection(void)
{
return NS_ERROR_FAILURE;
return DoCommand ( NS_LITERAL_STRING("cmd_cut") );
}
NS_IMETHODIMP
nsWebShell::CopySelection(void)
{
return NS_ERROR_FAILURE;
return DoCommand ( NS_LITERAL_STRING("cmd_copy") );
}
NS_IMETHODIMP
nsWebShell::PasteSelection(void)
{
return NS_ERROR_FAILURE;
return DoCommand ( NS_LITERAL_STRING("cmd_paste") );
}
NS_IMETHODIMP
@@ -1350,6 +1398,10 @@ nsWebShell::FindNext(const PRUnichar * aSearchStr, PRBool aMatchCase, PRBool aSe
return NS_ERROR_FAILURE;
}
#ifdef XP_MAC
#pragma mark -
#endif
//*****************************************************************************
// nsWebShell::nsIBaseWindow
//*****************************************************************************