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Diffstat (limited to '')
-rw-r--r-- | widget/windows/nsPrintDialogWin.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/widget/windows/nsPrintDialogWin.cpp b/widget/windows/nsPrintDialogWin.cpp new file mode 100644 index 0000000000..c3fa786377 --- /dev/null +++ b/widget/windows/nsPrintDialogWin.cpp @@ -0,0 +1,180 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 "nsPrintDialogWin.h" + +#include "nsArray.h" +#include "nsCOMPtr.h" +#include "nsIBaseWindow.h" +#include "nsIBrowserChild.h" +#include "nsIDialogParamBlock.h" +#include "nsIDocShell.h" +#include "nsIInterfaceRequestorUtils.h" +#include "nsIPrintSettings.h" +#include "nsIWebBrowserChrome.h" +#include "nsIWidget.h" +#include "nsPrintDialogUtil.h" +#include "nsIPrintSettings.h" +#include "nsIWebBrowserChrome.h" +#include "nsPIDOMWindow.h" +#include "nsQueryObject.h" + +static const char* kPageSetupDialogURL = + "chrome://global/content/printPageSetup.xhtml"; + +using namespace mozilla; +using namespace mozilla::widget; + +/** + * 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(nsPrintDialogServiceWin, nsIPrintDialogService) + +nsPrintDialogServiceWin::nsPrintDialogServiceWin() {} + +nsPrintDialogServiceWin::~nsPrintDialogServiceWin() {} + +NS_IMETHODIMP +nsPrintDialogServiceWin::Init() { + nsresult rv; + mWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv); + return rv; +} + +NS_IMETHODIMP +nsPrintDialogServiceWin::ShowPrintDialog(mozIDOMWindowProxy* aParent, + bool aHaveSelection, + nsIPrintSettings* aSettings) { + NS_ENSURE_ARG(aParent); + HWND hWnd = GetHWNDForDOMWindow(aParent); + NS_ASSERTION(hWnd, "Couldn't get native window for PRint Dialog!"); + + return NativeShowPrintDialog(hWnd, aHaveSelection, aSettings); +} + +NS_IMETHODIMP +nsPrintDialogServiceWin::ShowPageSetupDialog(mozIDOMWindowProxy* aParent, + nsIPrintSettings* aNSSettings) { + NS_ENSURE_ARG(aParent); + NS_ENSURE_ARG(aNSSettings); + + ParamBlock block; + nsresult rv = block.Init(); + if (NS_FAILED(rv)) return rv; + + block->SetInt(0, 0); + rv = DoDialog(aParent, block, aNSSettings, 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; + } + + // We don't call nsPrintSettingsService::MaybeSavePrintSettingsToPrefs here + // since it's called for us in printPageSetup.js. Maybe we should move that + // call here for consistency with the other platforms though? + + return rv; +} + +nsresult nsPrintDialogServiceWin::DoDialog(mozIDOMWindowProxy* 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; + + // 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.) + // retain ownership for method lifetime + nsCOMPtr<mozIDOMWindowProxy> activeParent; + if (!aParent) { + mWatcher->GetActiveWindow(getter_AddRefs(activeParent)); + aParent = activeParent; + } + + // create a nsIMutableArray of the parameters + // being passed to the window + nsCOMPtr<nsIMutableArray> array = nsArray::Create(); + + 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<mozIDOMWindowProxy> dialog; + nsresult rv = mWatcher->OpenWindow( + aParent, nsDependentCString(aChromeURL), "_blank"_ns, + "centerscreen,chrome,modal,titlebar"_ns, array, getter_AddRefs(dialog)); + + return rv; +} + +HWND nsPrintDialogServiceWin::GetHWNDForDOMWindow(mozIDOMWindowProxy* aWindow) { + nsCOMPtr<nsIWebBrowserChrome> chrome; + + // We might be embedded so check this path first + if (mWatcher) { + nsCOMPtr<mozIDOMWindowProxy> fosterParent; + // it will be a dependent window. try to find a foster parent. + if (!aWindow) { + mWatcher->GetActiveWindow(getter_AddRefs(fosterParent)); + aWindow = fosterParent; + } + mWatcher->GetChromeForWindow(aWindow, getter_AddRefs(chrome)); + } + + if (chrome) { + nsCOMPtr<nsIBaseWindow> site(do_QueryInterface(chrome)); + if (site) { + HWND w; + site->GetParentNativeWindow(reinterpret_cast<void**>(&w)); + return w; + } + } + + // Now we might be the Browser so check this path + nsCOMPtr<nsPIDOMWindowOuter> window = nsPIDOMWindowOuter::From(aWindow); + + nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = + window->GetWebBrowserChrome(); + 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); +} |