tenfourfox/embedding/components/printingui/win/nsPrintingPromptService.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

350 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsCOMPtr.h"
#include "nsPrintingPromptService.h"
#include "nsIPrintingPromptService.h"
#include "nsIFactory.h"
#include "nsPIDOMWindow.h"
#include "nsReadableUtils.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIServiceManager.h"
#include "nsIWebBrowserChrome.h"
#include "nsIWindowWatcher.h"
#include "nsPrintDialogUtil.h"
// Printing Progress Includes
#include "nsPrintProgress.h"
#include "nsPrintProgressParams.h"
#include "nsIWebProgressListener.h"
// XP Dialog includes
#include "nsIDialogParamBlock.h"
#include "nsISupportsUtils.h"
#include "nsISupportsArray.h"
// Includes need to locate the native Window
#include "nsIWidget.h"
#include "nsIBaseWindow.h"
#include "nsIWebBrowserChrome.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShell.h"
#include "nsIInterfaceRequestorUtils.h"
static const char *kPrintProgressDialogURL = "chrome://global/content/printProgress.xul";
static const char *kPrtPrvProgressDialogURL = "chrome://global/content/printPreviewProgress.xul";
static const char *kPageSetupDialogURL = "chrome://global/content/printPageSetup.xul";
/****************************************************************
************************* ParamBlock ***************************
****************************************************************/
class ParamBlock {
public:
ParamBlock()
{
mBlock = 0;
}
~ParamBlock()
{
NS_IF_RELEASE(mBlock);
}
nsresult Init() {
return CallCreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID, &mBlock);
}
nsIDialogParamBlock * operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN { return mBlock; }
operator nsIDialogParamBlock * const () { return mBlock; }
private:
nsIDialogParamBlock *mBlock;
};
//*****************************************************************************
NS_IMPL_ISUPPORTS(nsPrintingPromptService, nsIPrintingPromptService, nsIWebProgressListener)
nsPrintingPromptService::nsPrintingPromptService()
{
}
//-----------------------------------------------------------
nsPrintingPromptService::~nsPrintingPromptService()
{
}
//-----------------------------------------------------------
nsresult
nsPrintingPromptService::Init()
{
nsresult rv;
mWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
return rv;
}
//-----------------------------------------------------------
HWND
nsPrintingPromptService::GetHWNDForDOMWindow(nsIDOMWindow *aWindow)
{
nsCOMPtr<nsIWebBrowserChrome> chrome;
// We might be embedded so check this path first
if (mWatcher) {
nsCOMPtr<nsIDOMWindow> fosterParent;
if (!aWindow)
{ // it will be a dependent window. try to find a foster parent.
mWatcher->GetActiveWindow(getter_AddRefs(fosterParent));
aWindow = fosterParent;
}
mWatcher->GetChromeForWindow(aWindow, getter_AddRefs(chrome));
}
if (chrome) {
nsCOMPtr<nsIEmbeddingSiteWindow> site(do_QueryInterface(chrome));
if (site)
{
HWND w;
site->GetSiteWindow(reinterpret_cast<void **>(&w));
return w;
}
}
// Now we might be the Browser so check this path
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
nsCOMPtr<nsIDocShellTreeItem> treeItem =
do_QueryInterface(window->GetDocShell());
if (!treeItem) return nullptr;
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
treeItem->GetTreeOwner(getter_AddRefs(treeOwner));
if (!treeOwner) return nullptr;
nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome(do_GetInterface(treeOwner));
if (!webBrowserChrome) return nullptr;
nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(webBrowserChrome));
if (!baseWin) return nullptr;
nsCOMPtr<nsIWidget> widget;
baseWin->GetMainWidget(getter_AddRefs(widget));
if (!widget) return nullptr;
return (HWND)widget->GetNativeData(NS_NATIVE_TMP_WINDOW);
}
///////////////////////////////////////////////////////////////////////////////
// nsIPrintingPrompt
//-----------------------------------------------------------
NS_IMETHODIMP
nsPrintingPromptService::ShowPrintDialog(nsIDOMWindow *parent, nsIWebBrowserPrint *webBrowserPrint, nsIPrintSettings *printSettings)
{
NS_ENSURE_ARG(parent);
HWND hWnd = GetHWNDForDOMWindow(parent);
NS_ASSERTION(hWnd, "Couldn't get native window for PRint Dialog!");
return NativeShowPrintDialog(hWnd, webBrowserPrint, printSettings);
}
NS_IMETHODIMP
nsPrintingPromptService::ShowProgress(nsIDOMWindow* parent,
nsIWebBrowserPrint* webBrowserPrint, // ok to be null
nsIPrintSettings* printSettings, // ok to be null
nsIObserver* openDialogObserver, // ok to be null
bool isForPrinting,
nsIWebProgressListener** webProgressListener,
nsIPrintProgressParams** printProgressParams,
bool* notifyOnOpen)
{
NS_ENSURE_ARG(webProgressListener);
NS_ENSURE_ARG(printProgressParams);
NS_ENSURE_ARG(notifyOnOpen);
*notifyOnOpen = false;
if (mPrintProgress) {
*webProgressListener = nullptr;
*printProgressParams = nullptr;
return NS_ERROR_FAILURE;
}
nsPrintProgress* prtProgress = new nsPrintProgress();
mPrintProgress = prtProgress;
mWebProgressListener = prtProgress;
nsCOMPtr<nsIPrintProgressParams> prtProgressParams = new nsPrintProgressParams();
nsCOMPtr<nsIDOMWindow> parentWindow = parent;
if (mWatcher && !parentWindow) {
mWatcher->GetActiveWindow(getter_AddRefs(parentWindow));
}
if (parentWindow) {
mPrintProgress->OpenProgressDialog(parentWindow,
isForPrinting ? kPrintProgressDialogURL : kPrtPrvProgressDialogURL,
prtProgressParams, openDialogObserver, notifyOnOpen);
}
prtProgressParams.forget(printProgressParams);
NS_ADDREF(*webProgressListener = this);
return NS_OK;
}
NS_IMETHODIMP
nsPrintingPromptService::ShowPageSetup(nsIDOMWindow *parent, nsIPrintSettings *printSettings, nsIObserver *aObs)
{
NS_ENSURE_ARG(printSettings);
ParamBlock block;
nsresult rv = block.Init();
if (NS_FAILED(rv))
return rv;
block->SetInt(0, 0);
rv = DoDialog(parent, block, printSettings, kPageSetupDialogURL);
// if aWebBrowserPrint is not null then we are printing
// so we want to pass back NS_ERROR_ABORT on cancel
if (NS_SUCCEEDED(rv))
{
int32_t status;
block->GetInt(0, &status);
return status == 0?NS_ERROR_ABORT:NS_OK;
}
return rv;
}
NS_IMETHODIMP
nsPrintingPromptService::ShowPrinterProperties(nsIDOMWindow *parent, const char16_t *printerName, nsIPrintSettings *printSettings)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
//-----------------------------------------------------------
// Helper to Fly XP Dialog
nsresult
nsPrintingPromptService::DoDialog(nsIDOMWindow *aParent,
nsIDialogParamBlock *aParamBlock,
nsIPrintSettings* aPS,
const char *aChromeURL)
{
NS_ENSURE_ARG(aParamBlock);
NS_ENSURE_ARG(aPS);
NS_ENSURE_ARG(aChromeURL);
if (!mWatcher)
return NS_ERROR_FAILURE;
nsresult rv = NS_OK;
// get a parent, if at all possible
// (though we'd rather this didn't fail, it's OK if it does. so there's
// no failure or null check.)
nsCOMPtr<nsIDOMWindow> activeParent; // retain ownership for method lifetime
if (!aParent)
{
mWatcher->GetActiveWindow(getter_AddRefs(activeParent));
aParent = activeParent;
}
// create a nsISupportsArray of the parameters
// being passed to the window
nsCOMPtr<nsISupportsArray> array;
NS_NewISupportsArray(getter_AddRefs(array));
if (!array) return NS_ERROR_FAILURE;
nsCOMPtr<nsISupports> psSupports(do_QueryInterface(aPS));
NS_ASSERTION(psSupports, "PrintSettings must be a supports");
array->AppendElement(psSupports);
nsCOMPtr<nsISupports> blkSupps(do_QueryInterface(aParamBlock));
NS_ASSERTION(blkSupps, "IOBlk must be a supports");
array->AppendElement(blkSupps);
nsCOMPtr<nsISupports> arguments(do_QueryInterface(array));
NS_ASSERTION(array, "array must be a supports");
nsCOMPtr<nsIDOMWindow> dialog;
rv = mWatcher->OpenWindow(aParent, aChromeURL, "_blank",
"centerscreen,chrome,modal,titlebar", arguments,
getter_AddRefs(dialog));
return rv;
}
//////////////////////////////////////////////////////////////////////
// nsIWebProgressListener
//////////////////////////////////////////////////////////////////////
NS_IMETHODIMP
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
{
if ((aStateFlags & STATE_STOP) && mWebProgressListener)
{
mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
if (mPrintProgress)
{
mPrintProgress->CloseProgressDialog(true);
}
mPrintProgress = nullptr;
mWebProgressListener = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
nsPrintingPromptService::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, int32_t aCurSelfProgress, int32_t aMaxSelfProgress, int32_t aCurTotalProgress, int32_t aMaxTotalProgress)
{
if (mWebProgressListener)
{
return mWebProgressListener->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsPrintingPromptService::OnLocationChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location, uint32_t aFlags)
{
if (mWebProgressListener)
{
return mWebProgressListener->OnLocationChange(aWebProgress, aRequest, location, aFlags);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsPrintingPromptService::OnStatusChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsresult aStatus, const char16_t *aMessage)
{
if (mWebProgressListener)
{
return mWebProgressListener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsPrintingPromptService::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t state)
{
if (mWebProgressListener)
{
return mWebProgressListener->OnSecurityChange(aWebProgress, aRequest, state);
}
return NS_ERROR_FAILURE;
}