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pulling content-area drag&drop out of JS and into C++ so it is available to embedding. Now built-in to <browser> tag. r=brade/sr=ben. bug#45605

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git-svn-id: svn://10.0.0.236/trunk@114745 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
pinkerton%netscape.com
2002-02-17 19:32:08 +00:00
parent bc67898b0b
commit 89decb1f37
20 changed files with 244 additions and 280 deletions
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90
mozilla/embedding/browser/webBrowser/nsDocShellTreeOwner.cpp
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@@ -33,6 +33,7 @@
#include "nsSize.h"
#include "nsHTMLReflowState.h"
#include "nsIServiceManager.h"
#include "nsComponentManagerUtils.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsUnicharUtils.h"
@@ -51,6 +52,7 @@
#include "nsIDOMMouseEvent.h"
#include "nsIDOMEventReceiver.h"
#include "nsIDOMNamedNodeMap.h"
#include "nsIWebNavigation.h"
#include "nsIDOMHTMLElement.h"
#include "nsIPresShell.h"
#include "nsPIDOMWindow.h"
@@ -67,6 +69,37 @@
static const char sWindowWatcherContractID[] = "@mozilla.org/embedcomp/window-watcher;1";
//
// GetEventReceiver
//
// A helper routine that navigates the tricky path from a |nsWebBrowser| to
// a |nsIDOMEventReceiver| via the window root and chrome event handler.
//
static nsresult
GetEventReceiver ( nsWebBrowser* inBrowser, nsIDOMEventReceiver** outEventRcvr )
{
nsCOMPtr<nsIDOMWindow> domWindow;
inBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsPIDOMWindow> domWindowPrivate = do_QueryInterface(domWindow);
NS_ENSURE_TRUE(domWindowPrivate, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindowInternal> rootWindow;
domWindowPrivate->GetPrivateRoot(getter_AddRefs(rootWindow));
NS_ENSURE_TRUE(rootWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIChromeEventHandler> chromeHandler;
nsCOMPtr<nsPIDOMWindow> piWin(do_QueryInterface(rootWindow));
NS_ENSURE_TRUE(piWin, NS_ERROR_FAILURE);
piWin->GetChromeEventHandler(getter_AddRefs(chromeHandler));
NS_ENSURE_TRUE(chromeHandler, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMEventReceiver> rcvr = do_QueryInterface(chromeHandler);
*outEventRcvr = rcvr.get();
NS_IF_ADDREF(*outEventRcvr);
return NS_OK;
}
//*****************************************************************************
//*** nsDocShellTreeOwner: Object Management
@@ -772,7 +805,20 @@ nsDocShellTreeOwner :: AddChromeListeners ( )
rv = NS_ERROR_OUT_OF_MEMORY;
}
}
// install the external dragDrop handler
if ( !mChromeDragHandler ) {
mChromeDragHandler = do_CreateInstance("@mozilla.org:/content/content-area-dragdrop;1", &rv);
NS_ASSERTION(mChromeDragHandler, "Couldn't create the chrome drag handler");
if ( mChromeDragHandler ) {
nsCOMPtr<nsIDOMEventReceiver> rcvr;
GetEventReceiver(mWebBrowser, getter_AddRefs(rcvr));
//nsCOMPtr<nsIDOMWebNavigation> webNav (do_QueryInterface(mWebBrowser));
nsCOMPtr<nsIDOMEventTarget> rcvrTarget(do_QueryInterface(rcvr));
mChromeDragHandler->HookupTo(rcvrTarget, NS_STATIC_CAST(nsIWebNavigation*, mWebBrowser));
}
}
return rv;
} // AddChromeListeners
@@ -789,7 +835,9 @@ nsDocShellTreeOwner :: RemoveChromeListeners ( )
mChromeContextMenuListener->RemoveChromeListeners();
NS_RELEASE(mChromeContextMenuListener);
}
if ( mChromeDragHandler )
mChromeDragHandler->Detach();
return NS_OK;
}
@@ -907,23 +955,8 @@ ChromeTooltipListener :: ~ChromeTooltipListener ( )
NS_IMETHODIMP
ChromeTooltipListener :: AddChromeListeners ( )
{
if ( !mEventReceiver ) {
nsCOMPtr<nsIDOMWindow> domWindow;
mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsPIDOMWindow> domWindowPrivate = do_QueryInterface(domWindow);
NS_ENSURE_TRUE(domWindowPrivate, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindowInternal> rootWindow;
domWindowPrivate->GetPrivateRoot(getter_AddRefs(rootWindow));
NS_ENSURE_TRUE(rootWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIChromeEventHandler> chromeHandler;
nsCOMPtr<nsPIDOMWindow> piWin(do_QueryInterface(rootWindow));
piWin->GetChromeEventHandler(getter_AddRefs(chromeHandler));
NS_ENSURE_TRUE(chromeHandler, NS_ERROR_FAILURE);
mEventReceiver = do_QueryInterface(chromeHandler);
}
if ( !mEventReceiver )
GetEventReceiver(mWebBrowser, getter_AddRefs(mEventReceiver));
// Register the appropriate events for tooltips, but only if
// the embedding chrome cares.
@@ -1374,23 +1407,8 @@ ChromeContextMenuListener :: RemoveContextMenuListener()
NS_IMETHODIMP
ChromeContextMenuListener :: AddChromeListeners ( )
{
if ( !mEventReceiver ) {
nsCOMPtr<nsIDOMWindow> domWindow;
mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsPIDOMWindow> domWindowPrivate = do_QueryInterface(domWindow);
NS_ENSURE_TRUE(domWindowPrivate, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMWindowInternal> rootWindow;
domWindowPrivate->GetPrivateRoot(getter_AddRefs(rootWindow));
NS_ENSURE_TRUE(rootWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIChromeEventHandler> chromeHandler;
nsCOMPtr<nsPIDOMWindow> piWin(do_QueryInterface(rootWindow));
piWin->GetChromeEventHandler(getter_AddRefs(chromeHandler));
NS_ENSURE_TRUE(chromeHandler, NS_ERROR_FAILURE);
mEventReceiver = do_QueryInterface(chromeHandler);
}
if ( !mEventReceiver )
GetEventReceiver(mWebBrowser, getter_AddRefs(mEventReceiver));
// Register the appropriate events for context menus, but only if
// the embedding chrome cares.