gecko/embedding/browser/nsCommandHandler.cpp
Birunthan Mohanathas 151db44859 Bug 1054703 - Part 8: Flatten embedding/browser/webBrowser/ into parent directory. r=bsmedberg
--HG--
rename : embedding/browser/webBrowser/nsCTooltipTextProvider.h => embedding/browser/nsCTooltipTextProvider.h
rename : embedding/browser/webBrowser/nsCWebBrowser.idl => embedding/browser/nsCWebBrowser.idl
rename : embedding/browser/webBrowser/nsCommandHandler.cpp => embedding/browser/nsCommandHandler.cpp
rename : embedding/browser/webBrowser/nsCommandHandler.h => embedding/browser/nsCommandHandler.h
rename : embedding/browser/webBrowser/nsContextMenuInfo.cpp => embedding/browser/nsContextMenuInfo.cpp
rename : embedding/browser/webBrowser/nsContextMenuInfo.h => embedding/browser/nsContextMenuInfo.h
rename : embedding/browser/webBrowser/nsDocShellTreeOwner.cpp => embedding/browser/nsDocShellTreeOwner.cpp
rename : embedding/browser/webBrowser/nsDocShellTreeOwner.h => embedding/browser/nsDocShellTreeOwner.h
rename : embedding/browser/webBrowser/nsEmbedStream.cpp => embedding/browser/nsEmbedStream.cpp
rename : embedding/browser/webBrowser/nsEmbedStream.h => embedding/browser/nsEmbedStream.h
rename : embedding/browser/webBrowser/nsICommandHandler.idl => embedding/browser/nsICommandHandler.idl
rename : embedding/browser/webBrowser/nsIContextMenuListener.idl => embedding/browser/nsIContextMenuListener.idl
rename : embedding/browser/webBrowser/nsIContextMenuListener2.idl => embedding/browser/nsIContextMenuListener2.idl
rename : embedding/browser/webBrowser/nsIEmbeddingSiteWindow.idl => embedding/browser/nsIEmbeddingSiteWindow.idl
rename : embedding/browser/webBrowser/nsIPrintPreviewNavigation.idl => embedding/browser/nsIPrintPreviewNavigation.idl
rename : embedding/browser/webBrowser/nsIPrintingPrompt.idl => embedding/browser/nsIPrintingPrompt.idl
rename : embedding/browser/webBrowser/nsIPrintingPromptService.idl => embedding/browser/nsIPrintingPromptService.idl
rename : embedding/browser/webBrowser/nsITooltipListener.idl => embedding/browser/nsITooltipListener.idl
rename : embedding/browser/webBrowser/nsITooltipTextProvider.idl => embedding/browser/nsITooltipTextProvider.idl
rename : embedding/browser/webBrowser/nsIWebBrowser.idl => embedding/browser/nsIWebBrowser.idl
rename : embedding/browser/webBrowser/nsIWebBrowserChrome.idl => embedding/browser/nsIWebBrowserChrome.idl
rename : embedding/browser/webBrowser/nsIWebBrowserChrome2.idl => embedding/browser/nsIWebBrowserChrome2.idl
rename : embedding/browser/webBrowser/nsIWebBrowserChrome3.idl => embedding/browser/nsIWebBrowserChrome3.idl
rename : embedding/browser/webBrowser/nsIWebBrowserChromeFocus.idl => embedding/browser/nsIWebBrowserChromeFocus.idl
rename : embedding/browser/webBrowser/nsIWebBrowserFocus.idl => embedding/browser/nsIWebBrowserFocus.idl
rename : embedding/browser/webBrowser/nsIWebBrowserPrint.idl => embedding/browser/nsIWebBrowserPrint.idl
rename : embedding/browser/webBrowser/nsIWebBrowserSetup.idl => embedding/browser/nsIWebBrowserSetup.idl
rename : embedding/browser/webBrowser/nsIWebBrowserStream.idl => embedding/browser/nsIWebBrowserStream.idl
rename : embedding/browser/webBrowser/nsWebBrowser.cpp => embedding/browser/nsWebBrowser.cpp
rename : embedding/browser/webBrowser/nsWebBrowser.h => embedding/browser/nsWebBrowser.h
rename : embedding/browser/webBrowser/nsWebBrowserContentPolicy.cpp => embedding/browser/nsWebBrowserContentPolicy.cpp
rename : embedding/browser/webBrowser/nsWebBrowserContentPolicy.h => embedding/browser/nsWebBrowserContentPolicy.h
2014-08-20 10:27:17 -07:00

148 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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 "nsCommandHandler.h"
#include "nsWebBrowser.h"
#include "nsDocShellTreeOwner.h"
#include "nsMemory.h"
#include "nsPIDOMWindow.h"
nsCommandHandler::nsCommandHandler() :
mWindow(nullptr)
{
}
nsCommandHandler::~nsCommandHandler()
{
}
nsresult nsCommandHandler::GetCommandHandler(nsICommandHandler **aCommandHandler)
{
NS_ENSURE_ARG_POINTER(aCommandHandler);
*aCommandHandler = nullptr;
if (mWindow == nullptr)
{
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(mWindow));
if (!window)
{
return NS_ERROR_FAILURE;
}
// Get the document tree owner
nsCOMPtr<nsIDocShellTreeItem> docShellAsTreeItem =
do_QueryInterface(window->GetDocShell());
nsIDocShellTreeOwner *treeOwner = nullptr;
docShellAsTreeItem->GetTreeOwner(&treeOwner);
// Make sure the tree owner is an an nsDocShellTreeOwner object
// by QI'ing for a hidden interface. If it doesn't have the interface
// then it's not safe to do the casting.
nsCOMPtr<nsICDocShellTreeOwner> realTreeOwner(do_QueryInterface(treeOwner));
if (realTreeOwner)
{
nsDocShellTreeOwner *tree = static_cast<nsDocShellTreeOwner *>(treeOwner);
if (tree->mTreeOwner)
{
nsresult rv;
rv = tree->mTreeOwner->QueryInterface(NS_GET_IID(nsICommandHandler), (void **)aCommandHandler);
NS_RELEASE(treeOwner);
return rv;
}
NS_RELEASE(treeOwner);
}
*aCommandHandler = nullptr;
return NS_OK;
}
NS_IMPL_ADDREF(nsCommandHandler)
NS_IMPL_RELEASE(nsCommandHandler)
NS_INTERFACE_MAP_BEGIN(nsCommandHandler)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICommandHandler)
NS_INTERFACE_MAP_ENTRY(nsICommandHandlerInit)
NS_INTERFACE_MAP_ENTRY(nsICommandHandler)
NS_INTERFACE_MAP_END
///////////////////////////////////////////////////////////////////////////////
// nsICommandHandlerInit implementation
/* attribute nsIDocShell docShell; */
NS_IMETHODIMP nsCommandHandler::GetWindow(nsIDOMWindow * *aWindow)
{
*aWindow = nullptr;
return NS_OK;
}
NS_IMETHODIMP nsCommandHandler::SetWindow(nsIDOMWindow * aWindow)
{
if (aWindow == nullptr)
{
return NS_ERROR_FAILURE;
}
mWindow = aWindow;
return NS_OK;
}
///////////////////////////////////////////////////////////////////////////////
// nsICommandHandler implementation
/* string exec (in string aCommand, in string aStatus); */
NS_IMETHODIMP nsCommandHandler::Exec(const char *aCommand, const char *aStatus, char **aResult)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_ARG_POINTER(aResult);
nsCOMPtr<nsICommandHandler> commandHandler;
GetCommandHandler(getter_AddRefs(commandHandler));
// Call the client's command handler to deal with this command
if (commandHandler)
{
*aResult = nullptr;
return commandHandler->Exec(aCommand, aStatus, aResult);
}
// Return an empty string
const char szEmpty[] = "";
*aResult = (char *) nsMemory::Clone(szEmpty, sizeof(szEmpty));
return NS_OK;
}
/* string query (in string aCommand, in string aStatus); */
NS_IMETHODIMP nsCommandHandler::Query(const char *aCommand, const char *aStatus, char **aResult)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_ARG_POINTER(aResult);
nsCOMPtr<nsICommandHandler> commandHandler;
GetCommandHandler(getter_AddRefs(commandHandler));
// Call the client's command handler to deal with this command
if (commandHandler)
{
*aResult = nullptr;
return commandHandler->Query(aCommand, aStatus, aResult);
}
// Return an empty string
const char szEmpty[] = "";
*aResult = (char *) nsMemory::Clone(szEmpty, sizeof(szEmpty));
return NS_OK;
}