You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

593 lines
18 KiB

/* ***** BEGIN LICENSE BLOCK *****
* Version: Mozilla-sample-code 1.0
*
* Copyright (c) 2002 Netscape Communications Corporation and
* other contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this Mozilla sample 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.
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** */
// Local includes
#include "resource.h"
#include "winEmbed.h"
#include "WebBrowserChrome.h"
#include "nsPIDOMWindow.h"
// OS headers
#include <stdio.h>
// Frozen APIs
#include "nsStringAPI.h"
#include "nsIComponentManager.h"
#include "nsIDOMWindow.h"
//#include "nsIGenericFactory.h"
#include "nsIInterfaceRequestor.h"
#include "nsIRequest.h"
#include "nsIURI.h"
#include "nsIWebProgress.h"
#include "nsCWebBrowser.h"
//#include "nsIProfileChangeStatus.h"
#include "nsIXPConnect.h"
#include "nsIScriptGlobalObject.h"
// Glue APIs (not frozen, but safe to use because they are statically linked)
#include "nsComponentManagerUtils.h"
// NON-FROZEN APIS!
#include "nsIWebNavigation.h"
WebBrowserChrome::WebBrowserChrome()
{
mNativeWindow = nullptr;
mSizeSet = PR_FALSE;
}
WebBrowserChrome::~WebBrowserChrome()
{
WebBrowserChromeUI::Destroyed(this);
}
nsresult WebBrowserChrome::CreateBrowser(PRInt32 aX, PRInt32 aY,
PRInt32 aCX, PRInt32 aCY,
nsIWebBrowser **aBrowser)
{
NS_ENSURE_ARG_POINTER(aBrowser);
*aBrowser = nullptr;
mWebBrowser = do_CreateInstance(NS_WEBBROWSER_CONTRACTID);
if (!mWebBrowser)
return NS_ERROR_FAILURE;
(void)mWebBrowser->SetContainerWindow(static_cast<nsIWebBrowserChrome*>(this));
nsCOMPtr<nsIBaseWindow> browserBaseWindow = do_QueryInterface(mWebBrowser);
mNativeWindow = WebBrowserChromeUI::CreateNativeWindow(static_cast<nsIWebBrowserChrome*>(this));
if (!mNativeWindow)
return NS_ERROR_FAILURE;
browserBaseWindow->InitWindow( mNativeWindow,
nullptr,
aX, aY, aCX, aCY);
browserBaseWindow->Create();
nsCOMPtr<nsIWebProgressListener> listener(static_cast<nsIWebProgressListener*>(this));
nsCOMPtr<nsIWeakReference> thisListener(do_GetWeakReference(listener));
(void)mWebBrowser->AddWebBrowserListener(thisListener,
NS_GET_IID(nsIWebProgressListener));
// The window has been created. Now register for history notifications
mWebBrowser->AddWebBrowserListener(thisListener, NS_GET_IID(nsISHistoryListener));
if (mWebBrowser)
{
*aBrowser = mWebBrowser;
NS_ADDREF(*aBrowser);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
//*****************************************************************************
// WebBrowserChrome::nsISupports
//*****************************************************************************
NS_IMPL_ADDREF(WebBrowserChrome)
NS_IMPL_RELEASE(WebBrowserChrome)
NS_INTERFACE_MAP_BEGIN(WebBrowserChrome)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener) // optional
NS_INTERFACE_MAP_ENTRY(nsISHistoryListener)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsIContextMenuListener)
NS_INTERFACE_MAP_ENTRY(nsITooltipListener)
NS_INTERFACE_MAP_END
//*****************************************************************************
// WebBrowserChrome::nsIInterfaceRequestor
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::GetInterface(const nsIID &aIID, void** aInstancePtr)
{
NS_ENSURE_ARG_POINTER(aInstancePtr);
*aInstancePtr = 0;
if (aIID.Equals(NS_GET_IID(nsIDOMWindow)))
{
if (mWebBrowser)
{
return mWebBrowser->GetContentDOMWindow((nsIDOMWindow **) aInstancePtr);
}
return NS_ERROR_NOT_INITIALIZED;
}
return QueryInterface(aIID, aInstancePtr);
}
//*****************************************************************************
// WebBrowserChrome::nsIWebBrowserChrome
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::SetStatus(PRUint32 aType, const PRUnichar* aStatus)
{
WebBrowserChromeUI::UpdateStatusBarText(this, aStatus);
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::GetWebBrowser(nsIWebBrowser** aWebBrowser)
{
NS_ENSURE_ARG_POINTER(aWebBrowser);
*aWebBrowser = mWebBrowser;
NS_IF_ADDREF(*aWebBrowser);
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::SetWebBrowser(nsIWebBrowser* aWebBrowser)
{
mWebBrowser = aWebBrowser;
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::GetChromeFlags(PRUint32* aChromeMask)
{
*aChromeMask = mChromeFlags;
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::SetChromeFlags(PRUint32 aChromeMask)
{
mChromeFlags = aChromeMask;
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::DestroyBrowserWindow(void)
{
WebBrowserChromeUI::Destroy(this);
return NS_OK;
}
// IN: The desired browser client area dimensions.
NS_IMETHODIMP WebBrowserChrome::SizeBrowserTo(PRInt32 aWidth, PRInt32 aHeight)
{
/* This isn't exactly correct: we're setting the whole window to
the size requested for the browser. At time of writing, though,
it's fine and useful for winEmbed's purposes. */
WebBrowserChromeUI::SizeTo(this, aWidth, aHeight);
mSizeSet = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::ShowAsModal(void)
{
if (mDependentParent)
AppCallbacks::EnableChromeWindow(mDependentParent, PR_FALSE);
mContinueModalLoop = PR_TRUE;
AppCallbacks::RunEventLoop(mContinueModalLoop);
if (mDependentParent)
AppCallbacks::EnableChromeWindow(mDependentParent, PR_TRUE);
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::IsWindowModal(bool *retval)
{
*retval = PR_FALSE;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP WebBrowserChrome::ExitModalEventLoop(nsresult aStatus)
{
mContinueModalLoop = PR_FALSE;
return NS_OK;
}
//*****************************************************************************
// WebBrowserChrome::nsIWebBrowserChromeFocus
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::FocusNextElement(bool aForDocumentNavigation)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP WebBrowserChrome::FocusPrevElement(bool aForDocumentNavigation)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
//*****************************************************************************
// WebBrowserChrome::nsIWebProgressListener
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::OnProgressChange(nsIWebProgress *progress, nsIRequest *request,
PRInt32 curSelfProgress, PRInt32 maxSelfProgress,
PRInt32 curTotalProgress, PRInt32 maxTotalProgress)
{
WebBrowserChromeUI::UpdateProgress(this, curTotalProgress, maxTotalProgress);
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::OnStateChange(nsIWebProgress *progress, nsIRequest *request,
PRUint32 progressStateFlags, nsresult status)
{
if ((progressStateFlags & STATE_START) && (progressStateFlags & STATE_IS_DOCUMENT))
{
WebBrowserChromeUI::UpdateBusyState(this, PR_TRUE);
}
if ((progressStateFlags & STATE_STOP) && (progressStateFlags & STATE_IS_DOCUMENT))
{
WebBrowserChromeUI::UpdateBusyState(this, PR_FALSE);
WebBrowserChromeUI::UpdateProgress(this, 0, 100);
WebBrowserChromeUI::UpdateStatusBarText(this, nullptr);
ContentFinishedLoading();
}
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::OnLocationChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsIURI *location, uint32_t aFlags)
{
PRBool isSubFrameLoad = PR_FALSE; // Is this a subframe load
if (aWebProgress) {
nsCOMPtr<nsIDOMWindow> domWindow;
nsCOMPtr<nsPIDOMWindow> pdomWindow;
nsCOMPtr<nsPIDOMWindow> topDomWindow;
aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
if (domWindow) { // Get root domWindow
pdomWindow = do_QueryInterface(domWindow);
topDomWindow = pdomWindow->GetTop();
}
if (pdomWindow != topDomWindow)
isSubFrameLoad = PR_TRUE;
}
if (!isSubFrameLoad)
WebBrowserChromeUI::UpdateCurrentURI(this);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::OnStatusChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsresult aStatus,
const PRUnichar* aMessage)
{
WebBrowserChromeUI::UpdateStatusBarText(this, aMessage);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::OnSecurityChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
PRUint32 state)
{
return NS_OK;
}
//*****************************************************************************
// WebBrowserChrome::nsISHistoryListener
//*****************************************************************************
NS_IMETHODIMP
WebBrowserChrome::OnHistoryNewEntry(nsIURI * aNewURI)
{
return SendHistoryStatusMessage(aNewURI, "add");
}
NS_IMETHODIMP WebBrowserChrome::OnHistoryGoBack(nsIURI *aBackURI, bool *aContinue)
{
// For now, let the operation continue
*aContinue = PR_TRUE;
return SendHistoryStatusMessage(aBackURI, "back");
}
NS_IMETHODIMP
WebBrowserChrome::OnHistoryGoForward(nsIURI * aForwardURI, bool * aContinue)
{
// For now, let the operation continue
*aContinue = PR_TRUE;
return SendHistoryStatusMessage(aForwardURI, "forward");
}
NS_IMETHODIMP
WebBrowserChrome::OnHistoryReplaceEntry(PRInt32 aIndex)
{
// For now, let the operation continue
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
WebBrowserChrome::Blur(void)
{
// For now, let the operation continue
return NS_OK;
}
NS_IMETHODIMP
WebBrowserChrome::OnHistoryGotoIndex(PRInt32 aIndex, nsIURI * aGotoURI, bool * aContinue)
{
// For now, let the operation continue
*aContinue = PR_TRUE;
return SendHistoryStatusMessage(aGotoURI, "goto", aIndex);
}
NS_IMETHODIMP
WebBrowserChrome::OnHistoryReload(nsIURI * aURI, PRUint32 aReloadFlags, bool * aContinue)
{
// For now, let the operation continue
*aContinue = PR_TRUE;
return SendHistoryStatusMessage(aURI, "reload", 0 /* no info to pass here */, aReloadFlags);
}
NS_IMETHODIMP
WebBrowserChrome::OnHistoryPurge(PRInt32 aNumEntries, bool *aContinue)
{
// For now let the operation continue
*aContinue = PR_FALSE;
return SendHistoryStatusMessage(nullptr, "purge", aNumEntries);
}
static void
AppendIntToCString(PRInt32 info1, nsCString& aResult)
{
char intstr[10];
_snprintf(intstr, sizeof(intstr) - 1, "%i", info1);
intstr[sizeof(intstr) - 1] = '\0';
aResult.Append(intstr);
}
nsresult
WebBrowserChrome::SendHistoryStatusMessage(nsIURI * aURI, char * operation, PRInt32 info1, PRUint32 aReloadFlags)
{
nsCString uriSpec;
if (aURI)
{
aURI->GetSpec(uriSpec);
}
nsCString status;
if(!(strcmp(operation, "back")))
{
status.Assign("Going back to url: ");
status.Append(uriSpec);
}
else if (!(strcmp(operation, "forward")))
{
// Going forward. XXX Get string from a resource file
status.Assign("Going forward to url: ");
status.Append(uriSpec);
}
else if (!(strcmp(operation, "reload")))
{
// Reloading. XXX Get string from a resource file
if (aReloadFlags & nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY &&
aReloadFlags & nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE)
{
status.Assign("Reloading url, (bypassing proxy and cache): ");
}
else if (aReloadFlags & nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY)
{
status.Assign("Reloading url, (bypassing proxy): ");
}
else if (aReloadFlags & nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE)
{
status.Assign("Reloading url, (bypassing cache): ");
}
else
{
status.Assign("Reloading url, (normal): ");
}
status.Append(uriSpec);
}
else if (!(strcmp(operation, "add")))
{
status.Assign(uriSpec);
status.Append(" added to session History");
}
else if (!(strcmp(operation, "goto")))
{
status.Assign("Going to HistoryIndex: ");
AppendIntToCString(info1, status);
status.Append(" Url: ");
status.Append(uriSpec);
}
else if (!(strcmp(operation, "purge")))
{
AppendIntToCString(info1, status);
status.Append(" purged from Session History");
}
nsString wstatus;
NS_CStringToUTF16(status, NS_CSTRING_ENCODING_UTF8, wstatus);
WebBrowserChromeUI::UpdateStatusBarText(this, wstatus.get());
return NS_OK;
}
void WebBrowserChrome::ContentFinishedLoading()
{
// if it was a chrome window and no one has already specified a size,
// size to content
if (mWebBrowser && !mSizeSet &&
(mChromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME)) {
nsCOMPtr<nsIDOMWindow> contentWin;
mWebBrowser->GetContentDOMWindow(getter_AddRefs(contentWin));
if (contentWin)
contentWin->SizeToContent();
WebBrowserChromeUI::ShowWindow(this, PR_TRUE);
}
}
//*****************************************************************************
// WebBrowserChrome::nsIEmbeddingSiteWindow
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::SetDimensions(PRUint32 aFlags, PRInt32 x, PRInt32 y, PRInt32 cx, PRInt32 cy)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP WebBrowserChrome::GetDimensions(PRUint32 aFlags, PRInt32 *x, PRInt32 *y, PRInt32 *cx, PRInt32 *cy)
{
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION)
{
*x = 0;
*y = 0;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER ||
aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER)
{
*cx = 0;
*cy = 0;
}
return NS_ERROR_NOT_IMPLEMENTED;
}
/* void setFocus (); */
NS_IMETHODIMP WebBrowserChrome::SetFocus()
{
WebBrowserChromeUI::SetFocus(this);
return NS_OK;
}
/* attribute wstring title; */
NS_IMETHODIMP WebBrowserChrome::GetTitle(PRUnichar * *aTitle)
{
NS_ENSURE_ARG_POINTER(aTitle);
*aTitle = nullptr;
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP WebBrowserChrome::SetTitle(const PRUnichar * aTitle)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/* attribute boolean visibility; */
NS_IMETHODIMP WebBrowserChrome::GetVisibility(bool * aVisibility)
{
NS_ENSURE_ARG_POINTER(aVisibility);
*aVisibility = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP WebBrowserChrome::SetVisibility(bool aVisibility)
{
return NS_OK;
}
/* attribute nativeSiteWindow siteWindow */
NS_IMETHODIMP WebBrowserChrome::GetSiteWindow(void * *aSiteWindow)
{
NS_ENSURE_ARG_POINTER(aSiteWindow);
*aSiteWindow = mNativeWindow;
return NS_OK;
}
//*****************************************************************************
// WebBrowserChrome::nsIObserver
//*****************************************************************************
NS_IMETHODIMP WebBrowserChrome::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData)
{
nsresult rv = NS_OK;
if (strcmp(aTopic, "profile-change-teardown") == 0)
{
// A profile change means death for this window
WebBrowserChromeUI::Destroy(this);
}
return rv;
}
//*****************************************************************************
// WebBrowserChrome::nsIContextMenuListener
//*****************************************************************************
/* void OnShowContextMenu (in unsigned long aContextFlags, in nsIDOMEvent aEvent, in nsIDOMNode aNode); */
NS_IMETHODIMP WebBrowserChrome::OnShowContextMenu(PRUint32 aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
{
WebBrowserChromeUI::ShowContextMenu(this, aContextFlags, aEvent, aNode);
return NS_OK;
}
//*****************************************************************************
// WebBrowserChrome::nsITooltipListener
//*****************************************************************************
/* void OnShowTooltip (in long aXCoords, in long aYCoords, in wstring aTipText); */
NS_IMETHODIMP WebBrowserChrome::OnShowTooltip(PRInt32 aXCoords, PRInt32 aYCoords, const PRUnichar *aTipText)
{
WebBrowserChromeUI::ShowTooltip(this, aXCoords, aYCoords, aTipText);
return NS_OK;
}
/* void OnHideTooltip (); */
NS_IMETHODIMP WebBrowserChrome::OnHideTooltip()
{
WebBrowserChromeUI::HideTooltip(this);
return NS_OK;
}