gecko-dev/xpfe/appshell/nsChromeTreeOwner.cpp

579 lines
18 KiB
C++

/* -*- Mode: C++; tab-width: 3; 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/. */
// Local Includes
#include "nsChromeTreeOwner.h"
#include "nsXULWindow.h"
// Helper Classes
#include "nsString.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIServiceManager.h"
#include "nsIDocShellTreeItem.h"
// Interfaces needed to include
#include "nsIPrompt.h"
#include "nsIAuthPrompt.h"
#include "nsIBrowserDOMWindow.h"
#include "nsIWebProgress.h"
#include "nsIWidget.h"
#include "nsIWindowMediator.h"
#include "nsIDOMChromeWindow.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMXULElement.h"
#include "nsIXULBrowserWindow.h"
#include "mozilla/dom/Element.h"
using namespace mozilla;
//*****************************************************************************
// nsChromeTreeOwner string literals
//*****************************************************************************
struct nsChromeTreeOwnerLiterals
{
const nsLiteralString kPersist;
const nsLiteralString kScreenX;
const nsLiteralString kScreenY;
const nsLiteralString kWidth;
const nsLiteralString kHeight;
const nsLiteralString kSizemode;
const nsLiteralString kSpace;
nsChromeTreeOwnerLiterals()
: NS_LITERAL_STRING_INIT(kPersist,"persist")
, NS_LITERAL_STRING_INIT(kScreenX,"screenX")
, NS_LITERAL_STRING_INIT(kScreenY,"screenY")
, NS_LITERAL_STRING_INIT(kWidth,"width")
, NS_LITERAL_STRING_INIT(kHeight,"height")
, NS_LITERAL_STRING_INIT(kSizemode,"sizemode")
, NS_LITERAL_STRING_INIT(kSpace," ")
{}
};
static nsChromeTreeOwnerLiterals *gLiterals;
nsresult
nsChromeTreeOwner::InitGlobals()
{
NS_ASSERTION(gLiterals == nullptr, "already initialized");
gLiterals = new nsChromeTreeOwnerLiterals();
if (!gLiterals)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
void
nsChromeTreeOwner::FreeGlobals()
{
delete gLiterals;
gLiterals = nullptr;
}
//*****************************************************************************
//*** nsChromeTreeOwner: Object Management
//*****************************************************************************
nsChromeTreeOwner::nsChromeTreeOwner() : mXULWindow(nullptr)
{
}
nsChromeTreeOwner::~nsChromeTreeOwner()
{
}
//*****************************************************************************
// nsChromeTreeOwner::nsISupports
//*****************************************************************************
NS_IMPL_ADDREF(nsChromeTreeOwner)
NS_IMPL_RELEASE(nsChromeTreeOwner)
NS_INTERFACE_MAP_BEGIN(nsChromeTreeOwner)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDocShellTreeOwner)
NS_INTERFACE_MAP_ENTRY(nsIDocShellTreeOwner)
NS_INTERFACE_MAP_ENTRY(nsIBaseWindow)
NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END
//*****************************************************************************
// nsChromeTreeOwner::nsIInterfaceRequestor
//*****************************************************************************
NS_IMETHODIMP nsChromeTreeOwner::GetInterface(const nsIID& aIID, void** aSink)
{
NS_ENSURE_ARG_POINTER(aSink);
if(aIID.Equals(NS_GET_IID(nsIPrompt))) {
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetInterface(aIID, aSink);
}
if(aIID.Equals(NS_GET_IID(nsIAuthPrompt))) {
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetInterface(aIID, aSink);
}
if(aIID.Equals(NS_GET_IID(nsIWebBrowserChrome))) {
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetInterface(aIID, aSink);
}
if (aIID.Equals(NS_GET_IID(nsIEmbeddingSiteWindow))) {
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetInterface(aIID, aSink);
}
if (aIID.Equals(NS_GET_IID(nsIXULWindow))) {
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->QueryInterface(aIID, aSink);
}
return QueryInterface(aIID, aSink);
}
//*****************************************************************************
// nsChromeTreeOwner::nsIDocShellTreeOwner
//*****************************************************************************
NS_IMETHODIMP nsChromeTreeOwner::FindItemWithName(const char16_t* aName,
nsIDocShellTreeItem* aRequestor, nsIDocShellTreeItem* aOriginalRequestor,
nsIDocShellTreeItem** aFoundItem)
{
NS_DEFINE_CID(kWindowMediatorCID, NS_WINDOWMEDIATOR_CID);
NS_ENSURE_ARG_POINTER(aFoundItem);
*aFoundItem = nullptr;
bool fIs_Content = false;
/* Special Cases */
if(!aName || !*aName)
return NS_OK;
nsDependentString name(aName);
if(name.LowerCaseEqualsLiteral("_blank"))
return NS_OK;
// _main is an IE target which should be case-insensitive but isn't
// see bug 217886 for details
if(name.LowerCaseEqualsLiteral("_content") || name.EqualsLiteral("_main"))
{
NS_ENSURE_STATE(mXULWindow);
fIs_Content = true;
mXULWindow->GetPrimaryContentShell(aFoundItem);
if(*aFoundItem)
return NS_OK;
// Otherwise fall through and ask the other windows for a content area.
}
nsCOMPtr<nsIWindowMediator> windowMediator(do_GetService(kWindowMediatorCID));
NS_ENSURE_TRUE(windowMediator, NS_ERROR_FAILURE);
nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
NS_ENSURE_SUCCESS(windowMediator->GetXULWindowEnumerator(nullptr,
getter_AddRefs(windowEnumerator)), NS_ERROR_FAILURE);
bool more;
windowEnumerator->HasMoreElements(&more);
while(more)
{
nsCOMPtr<nsISupports> nextWindow = nullptr;
windowEnumerator->GetNext(getter_AddRefs(nextWindow));
nsCOMPtr<nsIXULWindow> xulWindow(do_QueryInterface(nextWindow));
NS_ENSURE_TRUE(xulWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIDocShellTreeItem> shellAsTreeItem;
if(fIs_Content)
{
xulWindow->GetPrimaryContentShell(aFoundItem);
}
else
{
// Note that we don't look for targetable content shells here...
// in fact, we aren't looking for content shells at all!
nsCOMPtr<nsIDocShell> shell;
xulWindow->GetDocShell(getter_AddRefs(shell));
shellAsTreeItem = do_QueryInterface(shell);
if (shellAsTreeItem) {
// Get the root tree item of same type, since roots are the only
// things that call into the treeowner to look for named items.
nsCOMPtr<nsIDocShellTreeItem> root;
shellAsTreeItem->GetSameTypeRootTreeItem(getter_AddRefs(root));
shellAsTreeItem = root;
}
if(shellAsTreeItem && aRequestor != shellAsTreeItem)
{
// Do this so we can pass in the tree owner as the requestor so the child knows not
// to call back up.
nsCOMPtr<nsIDocShellTreeOwner> shellOwner;
shellAsTreeItem->GetTreeOwner(getter_AddRefs(shellOwner));
nsCOMPtr<nsISupports> shellOwnerSupports(do_QueryInterface(shellOwner));
shellAsTreeItem->FindItemWithName(aName, shellOwnerSupports,
aOriginalRequestor, aFoundItem);
}
}
if(*aFoundItem)
return NS_OK;
windowEnumerator->HasMoreElements(&more);
}
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::ContentShellAdded(nsIDocShellTreeItem* aContentShell,
bool aPrimary, bool aTargetable,
const nsAString& aID)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->ContentShellAdded(aContentShell, aPrimary, aTargetable,
aID);
}
NS_IMETHODIMP
nsChromeTreeOwner::ContentShellRemoved(nsIDocShellTreeItem* aContentShell)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->ContentShellRemoved(aContentShell);
}
NS_IMETHODIMP nsChromeTreeOwner::GetPrimaryContentShell(nsIDocShellTreeItem** aShell)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetPrimaryContentShell(aShell);
}
NS_IMETHODIMP nsChromeTreeOwner::SizeShellTo(nsIDocShellTreeItem* aShellItem,
int32_t aCX, int32_t aCY)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SizeShellTo(aShellItem, aCX, aCY);
}
NS_IMETHODIMP
nsChromeTreeOwner::SetPersistence(bool aPersistPosition,
bool aPersistSize,
bool aPersistSizeMode)
{
NS_ENSURE_STATE(mXULWindow);
nsCOMPtr<dom::Element> docShellElement = mXULWindow->GetWindowDOMElement();
if (!docShellElement)
return NS_ERROR_FAILURE;
nsAutoString persistString;
docShellElement->GetAttribute(gLiterals->kPersist, persistString);
bool saveString = false;
int32_t index;
#define FIND_PERSIST_STRING(aString, aCond) \
index = persistString.Find(aString); \
if (!aCond && index > kNotFound) { \
persistString.Cut(index, aString.Length()); \
saveString = true; \
} else if (aCond && index == kNotFound) { \
persistString.Append(gLiterals->kSpace + aString); \
saveString = true; \
}
FIND_PERSIST_STRING(gLiterals->kScreenX, aPersistPosition);
FIND_PERSIST_STRING(gLiterals->kScreenY, aPersistPosition);
FIND_PERSIST_STRING(gLiterals->kWidth, aPersistSize);
FIND_PERSIST_STRING(gLiterals->kHeight, aPersistSize);
FIND_PERSIST_STRING(gLiterals->kSizemode, aPersistSizeMode);
ErrorResult rv;
if (saveString) {
docShellElement->SetAttribute(gLiterals->kPersist, persistString, rv);
}
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::GetPersistence(bool* aPersistPosition,
bool* aPersistSize,
bool* aPersistSizeMode)
{
NS_ENSURE_STATE(mXULWindow);
nsCOMPtr<dom::Element> docShellElement = mXULWindow->GetWindowDOMElement();
if (!docShellElement)
return NS_ERROR_FAILURE;
nsAutoString persistString;
docShellElement->GetAttribute(gLiterals->kPersist, persistString);
// data structure doesn't quite match the question, but it's close enough
// for what we want (since this method is never actually called...)
if (aPersistPosition)
*aPersistPosition = persistString.Find(gLiterals->kScreenX) > kNotFound ||
persistString.Find(gLiterals->kScreenY) > kNotFound;
if (aPersistSize)
*aPersistSize = persistString.Find(gLiterals->kWidth) > kNotFound ||
persistString.Find(gLiterals->kHeight) > kNotFound;
if (aPersistSizeMode)
*aPersistSizeMode = persistString.Find(gLiterals->kSizemode) > kNotFound;
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::GetTargetableShellCount(uint32_t* aResult)
{
*aResult = 0;
return NS_OK;
}
//*****************************************************************************
// nsChromeTreeOwner::nsIBaseWindow
//*****************************************************************************
NS_IMETHODIMP nsChromeTreeOwner::InitWindow(nativeWindow aParentNativeWindow,
nsIWidget* parentWidget, int32_t x, int32_t y, int32_t cx, int32_t cy)
{
// Ignore widget parents for now. Don't think those are a vaild thing to call.
NS_ENSURE_SUCCESS(SetPositionAndSize(x, y, cx, cy, false), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP nsChromeTreeOwner::Create()
{
NS_ASSERTION(false, "You can't call this");
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP nsChromeTreeOwner::Destroy()
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->Destroy();
}
NS_IMETHODIMP nsChromeTreeOwner::GetUnscaledDevicePixelsPerCSSPixel(double *aScale)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetUnscaledDevicePixelsPerCSSPixel(aScale);
}
NS_IMETHODIMP nsChromeTreeOwner::SetPosition(int32_t x, int32_t y)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetPosition(x, y);
}
NS_IMETHODIMP nsChromeTreeOwner::GetPosition(int32_t* x, int32_t* y)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetPosition(x, y);
}
NS_IMETHODIMP nsChromeTreeOwner::SetSize(int32_t cx, int32_t cy, bool fRepaint)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetSize(cx, cy, fRepaint);
}
NS_IMETHODIMP nsChromeTreeOwner::GetSize(int32_t* cx, int32_t* cy)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetSize(cx, cy);
}
NS_IMETHODIMP nsChromeTreeOwner::SetPositionAndSize(int32_t x, int32_t y, int32_t cx,
int32_t cy, bool fRepaint)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetPositionAndSize(x, y, cx, cy, fRepaint);
}
NS_IMETHODIMP nsChromeTreeOwner::GetPositionAndSize(int32_t* x, int32_t* y, int32_t* cx,
int32_t* cy)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetPositionAndSize(x, y, cx, cy);
}
NS_IMETHODIMP nsChromeTreeOwner::Repaint(bool aForce)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->Repaint(aForce);
}
NS_IMETHODIMP nsChromeTreeOwner::GetParentWidget(nsIWidget** aParentWidget)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetParentWidget(aParentWidget);
}
NS_IMETHODIMP nsChromeTreeOwner::SetParentWidget(nsIWidget* aParentWidget)
{
NS_ASSERTION(false, "You can't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsChromeTreeOwner::GetParentNativeWindow(nativeWindow* aParentNativeWindow)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetParentNativeWindow(aParentNativeWindow);
}
NS_IMETHODIMP nsChromeTreeOwner::SetParentNativeWindow(nativeWindow aParentNativeWindow)
{
NS_ASSERTION(false, "You can't call this");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsChromeTreeOwner::GetNativeHandle(nsAString& aNativeHandle)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetNativeHandle(aNativeHandle);
}
NS_IMETHODIMP nsChromeTreeOwner::GetVisibility(bool* aVisibility)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetVisibility(aVisibility);
}
NS_IMETHODIMP nsChromeTreeOwner::SetVisibility(bool aVisibility)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetVisibility(aVisibility);
}
NS_IMETHODIMP nsChromeTreeOwner::GetEnabled(bool *aEnabled)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetEnabled(aEnabled);
}
NS_IMETHODIMP nsChromeTreeOwner::SetEnabled(bool aEnable)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetEnabled(aEnable);
}
NS_IMETHODIMP nsChromeTreeOwner::GetMainWidget(nsIWidget** aMainWidget)
{
NS_ENSURE_ARG_POINTER(aMainWidget);
NS_ENSURE_STATE(mXULWindow);
*aMainWidget = mXULWindow->mWindow;
NS_IF_ADDREF(*aMainWidget);
return NS_OK;
}
NS_IMETHODIMP nsChromeTreeOwner::SetFocus()
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetFocus();
}
NS_IMETHODIMP nsChromeTreeOwner::GetTitle(char16_t** aTitle)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->GetTitle(aTitle);
}
NS_IMETHODIMP nsChromeTreeOwner::SetTitle(const char16_t* aTitle)
{
NS_ENSURE_STATE(mXULWindow);
return mXULWindow->SetTitle(aTitle);
}
//*****************************************************************************
// nsChromeTreeOwner::nsIWebProgressListener
//*****************************************************************************
NS_IMETHODIMP
nsChromeTreeOwner::OnProgressChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
int32_t aCurSelfProgress,
int32_t aMaxSelfProgress,
int32_t aCurTotalProgress,
int32_t aMaxTotalProgress)
{
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::OnStateChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
uint32_t aProgressStateFlags,
nsresult aStatus)
{
return NS_OK;
}
NS_IMETHODIMP nsChromeTreeOwner::OnLocationChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsIURI* aLocation,
uint32_t aFlags)
{
bool itsForYou = true;
if (aWebProgress) {
NS_ENSURE_STATE(mXULWindow);
nsCOMPtr<nsIDOMWindow> progressWin;
aWebProgress->GetDOMWindow(getter_AddRefs(progressWin));
nsCOMPtr<nsIDocShell> docshell;
mXULWindow->GetDocShell(getter_AddRefs(docshell));
nsCOMPtr<nsIDOMWindow> ourWin(do_QueryInterface(docshell));
if (ourWin != progressWin)
itsForYou = false;
}
// If loading a new root .xul document, then redo chrome.
if (itsForYou) {
NS_ENSURE_STATE(mXULWindow);
mXULWindow->mChromeLoaded = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::OnStatusChange(nsIWebProgress* aWebProgress,
nsIRequest* aRequest,
nsresult aStatus,
const char16_t* aMessage)
{
return NS_OK;
}
NS_IMETHODIMP
nsChromeTreeOwner::OnSecurityChange(nsIWebProgress *aWebProgress,
nsIRequest *aRequest,
uint32_t state)
{
return NS_OK;
}
//*****************************************************************************
// nsChromeTreeOwner: Helpers
//*****************************************************************************
//*****************************************************************************
// nsChromeTreeOwner: Accessors
//*****************************************************************************
void nsChromeTreeOwner::XULWindow(nsXULWindow* aXULWindow)
{
mXULWindow = aXULWindow;
}
nsXULWindow* nsChromeTreeOwner::XULWindow()
{
return mXULWindow;
}