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Bug 1919165 - Remove support for WindowType::Child, which is now unused. r=stransky

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We don't take this codepath anymore in any platform. Windows and GTK
were already asserting against it.

Differential Revision: https://phabricator.services.mozilla.com/D245640
This commit is contained in:
Emilio Cobos Álvarez
2025-04-29 14:04:53 +00:00
parent 1d73a580fe
commit 6487a8b3ab
10 changed files with 15 additions and 209 deletions
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27
layout/base/nsLayoutUtils.cpp
View File

@@ -2405,33 +2405,10 @@ nsRect nsLayoutUtils::TransformFrameRectToAncestor(
NSFloatPixelsToAppUnits(float(result.height), destAppUnitsPerDevPixel));
}
static LayoutDeviceIntPoint GetWidgetOffset(nsIWidget* aWidget,
nsIWidget*& aRootWidget) {
LayoutDeviceIntPoint offset(0, 0);
while (aWidget->GetWindowType() == widget::WindowType::Child) {
nsIWidget* parent = aWidget->GetParent();
if (!parent) {
break;
}
LayoutDeviceIntRect bounds = aWidget->GetBounds();
offset += bounds.TopLeft();
aWidget = parent;
}
aRootWidget = aWidget;
return offset;
}
LayoutDeviceIntPoint nsLayoutUtils::WidgetToWidgetOffset(nsIWidget* aFrom,
nsIWidget* aTo) {
nsIWidget* fromRoot;
LayoutDeviceIntPoint fromOffset = GetWidgetOffset(aFrom, fromRoot);
nsIWidget* toRoot;
LayoutDeviceIntPoint toOffset = GetWidgetOffset(aTo, toRoot);
if (fromRoot != toRoot) {
fromOffset = aFrom->WidgetToScreenOffset();
toOffset = aTo->WidgetToScreenOffset();
}
auto fromOffset = aFrom->WidgetToScreenOffset();
auto toOffset = aTo->WidgetToScreenOffset();
return fromOffset - toOffset;
}

125
toolkit/components/browser/nsWebBrowser.cpp
View File

@@ -60,7 +60,6 @@ nsWebBrowser::nsWebBrowser(int aItemType)
mShouldEnableHistory(true),
mWillChangeProcess(false),
mProgressListener(nullptr),
mWidgetListenerDelegate(this),
mBackgroundColor(0),
mPersistCurrentState(nsIWebBrowserPersist::PERSIST_STATE_READY),
mPersistResult(NS_OK),
@@ -73,27 +72,10 @@ nsWebBrowser::nsWebBrowser(int aItemType)
nsWebBrowser::~nsWebBrowser() { InternalDestroy(); }
nsIWidget* nsWebBrowser::EnsureWidget() {
if (mParentWidget) {
MOZ_DIAGNOSTIC_ASSERT(mParentWidget);
return mParentWidget;
}
mInternalWidget = nsIWidget::CreateChildWindow();
if (NS_WARN_IF(!mInternalWidget)) {
return nullptr;
}
widget::InitData widgetInit;
widgetInit.mClipChildren = true;
widgetInit.mWindowType = widget::WindowType::Child;
LayoutDeviceIntRect bounds(0, 0, 0, 0);
mInternalWidget->SetWidgetListener(&mWidgetListenerDelegate);
NS_ENSURE_SUCCESS(mInternalWidget->Create(mParentWidget, bounds, &widgetInit),
nullptr);
return mInternalWidget;
}
/* static */
already_AddRefed<nsWebBrowser> nsWebBrowser::Create(
nsIWebBrowserChrome* aContainerWindow, nsIWidget* aParentWidget,
@@ -163,12 +145,6 @@ already_AddRefed<nsWebBrowser> nsWebBrowser::Create(
}
void nsWebBrowser::InternalDestroy() {
if (mInternalWidget) {
mInternalWidget->SetWidgetListener(nullptr);
mInternalWidget->Destroy();
mInternalWidget = nullptr; // Force release here.
}
SetDocShell(nullptr);
if (mDocShellTreeOwner) {
@@ -941,14 +917,7 @@ nsWebBrowser::SetPositionAndSize(int32_t aX, int32_t aY, int32_t aCX,
int32_t doc_x = aX;
int32_t doc_y = aY;
// If there is an internal widget we need to make the docShell coordinates
// relative to the internal widget rather than the calling app's parent.
// We also need to resize our widget then.
if (mInternalWidget) {
doc_x = doc_y = 0;
mInternalWidget->Resize(aX, aY, aCX, aCY,
!!(aFlags & nsIBaseWindow::eRepaint));
}
// Now reposition/ resize the doc
NS_ENSURE_SUCCESS(
mDocShell->SetPositionAndSize(doc_x, doc_y, aCX, aCY, aFlags),
@@ -960,24 +929,6 @@ nsWebBrowser::SetPositionAndSize(int32_t aX, int32_t aY, int32_t aCX,
NS_IMETHODIMP
nsWebBrowser::GetPositionAndSize(int32_t* aX, int32_t* aY, int32_t* aCX,
int32_t* aCY) {
if (mInternalWidget) {
LayoutDeviceIntRect bounds = mInternalWidget->GetBounds();
if (aX) {
*aX = bounds.X();
}
if (aY) {
*aY = bounds.Y();
}
if (aCX) {
*aCX = bounds.Width();
}
if (aCY) {
*aCY = bounds.Height();
}
return NS_OK;
}
// Can directly return this as it is the
// same interface, thus same returns.
return mDocShell->GetPositionAndSize(aX, aY, aCX, aCY);
@@ -1041,9 +992,6 @@ NS_IMETHODIMP
nsWebBrowser::SetVisibility(bool aVisibility) {
if (mDocShell) {
NS_ENSURE_SUCCESS(mDocShell->SetVisibility(aVisibility), NS_ERROR_FAILURE);
if (mInternalWidget) {
mInternalWidget->Show(aVisibility);
}
}
return NS_OK;
@@ -1051,35 +999,18 @@ nsWebBrowser::SetVisibility(bool aVisibility) {
NS_IMETHODIMP
nsWebBrowser::GetEnabled(bool* aEnabled) {
if (mInternalWidget) {
*aEnabled = mInternalWidget->IsEnabled();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::SetEnabled(bool aEnabled) {
if (mInternalWidget) {
mInternalWidget->Enable(aEnabled);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsWebBrowser::GetMainWidget(nsIWidget** aMainWidget) {
NS_ENSURE_ARG_POINTER(aMainWidget);
if (mInternalWidget) {
*aMainWidget = mInternalWidget;
} else {
*aMainWidget = mParentWidget;
}
NS_IF_ADDREF(*aMainWidget);
NS_IF_ADDREF(*aMainWidget = mParentWidget);
return NS_OK;
}
@@ -1143,42 +1074,6 @@ void nsWebBrowser::EnsureDocShellTreeOwner() {
mDocShellTreeOwner->WebBrowser(this);
}
void nsWebBrowser::WindowActivated() {
#if defined(DEBUG_smaug)
RefPtr<dom::Document> document = mDocShell->GetDocument();
nsAutoString documentURI;
document->GetDocumentURI(documentURI);
printf("nsWebBrowser::NS_ACTIVATE %p %s\n", (void*)this,
NS_ConvertUTF16toUTF8(documentURI).get());
#endif
FocusActivate(nsFocusManager::GenerateFocusActionId());
}
void nsWebBrowser::WindowDeactivated() {
#if defined(DEBUG_smaug)
RefPtr<dom::Document> document = mDocShell->GetDocument();
nsAutoString documentURI;
document->GetDocumentURI(documentURI);
printf("nsWebBrowser::NS_DEACTIVATE %p %s\n", (void*)this,
NS_ConvertUTF16toUTF8(documentURI).get());
#endif
FocusDeactivate(nsFocusManager::GenerateFocusActionId());
}
bool nsWebBrowser::PaintWindow(nsIWidget* aWidget,
LayoutDeviceIntRegion aRegion) {
WindowRenderer* renderer = aWidget->GetWindowRenderer();
NS_ASSERTION(renderer, "Must be in paint event");
if (FallbackRenderer* fallback = renderer->AsFallback()) {
if (fallback->BeginTransaction()) {
fallback->EndTransactionWithColor(aRegion.GetBounds().ToUnknownRect(),
ToDeviceColor(mBackgroundColor));
}
return true;
}
return false;
}
void nsWebBrowser::FocusActivate(uint64_t aActionId) {
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
if (nsCOMPtr<nsPIDOMWindowOuter> window = GetWindow()) {
@@ -1201,19 +1096,3 @@ void nsWebBrowser::SetWillChangeProcess() {
nsDocShell::Cast(mDocShell)->SetWillChangeProcess();
}
}
void nsWebBrowser::WidgetListenerDelegate::WindowActivated() {
RefPtr<nsWebBrowser> holder = mWebBrowser;
holder->WindowActivated();
}
void nsWebBrowser::WidgetListenerDelegate::WindowDeactivated() {
RefPtr<nsWebBrowser> holder = mWebBrowser;
holder->WindowDeactivated();
}
bool nsWebBrowser::WidgetListenerDelegate::PaintWindow(
nsIWidget* aWidget, mozilla::LayoutDeviceIntRegion aRegion) {
RefPtr<nsWebBrowser> holder = mWebBrowser;
return holder->PaintWindow(aWidget, aRegion);
}

28
toolkit/components/browser/nsWebBrowser.h
View File

@@ -72,24 +72,6 @@ class nsWebBrowser final : public nsIWebBrowser,
friend class nsDocShellTreeOwner;
public:
// The implementation of non-refcounted nsIWidgetListener, which would hold a
// strong reference on stack before calling nsWebBrowser's
// MOZ_CAN_RUN_SCRIPT methods.
class WidgetListenerDelegate : public nsIWidgetListener {
public:
explicit WidgetListenerDelegate(nsWebBrowser* aWebBrowser)
: mWebBrowser(aWebBrowser) {}
MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual void WindowActivated() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual void WindowDeactivated() override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY virtual bool PaintWindow(
nsIWidget* aWidget, mozilla::LayoutDeviceIntRegion aRegion) override;
private:
// The lifetime of WidgetListenerDelegate is bound to nsWebBrowser so we
// just use raw pointer here.
nsWebBrowser* mWebBrowser;
};
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsWebBrowser, nsIWebBrowser)
@@ -122,13 +104,6 @@ class nsWebBrowser final : public nsIWebBrowser,
void EnsureDocShellTreeOwner();
nsIWidget* EnsureWidget();
// nsIWidgetListener methods for WidgetListenerDelegate.
MOZ_CAN_RUN_SCRIPT void WindowActivated();
MOZ_CAN_RUN_SCRIPT void WindowDeactivated();
MOZ_CAN_RUN_SCRIPT bool PaintWindow(nsIWidget* aWidget,
mozilla::LayoutDeviceIntRegion aRegion);
explicit nsWebBrowser(int aItemType);
protected:
@@ -136,7 +111,6 @@ class nsWebBrowser final : public nsIWebBrowser,
RefPtr<nsDocShell> mDocShell;
mozilla::OriginAttributes mOriginAttributes;
nsCOMPtr<nsIWidget> mInternalWidget;
nsCOMPtr<nsIWindowWatcher> mWWatch;
const uint32_t mContentType;
bool mShouldEnableHistory;
@@ -145,8 +119,6 @@ class nsWebBrowser final : public nsIWebBrowser,
nsCOMPtr<nsIPrintSettings> mPrintSettings;
WidgetListenerDelegate mWidgetListenerDelegate;
// cached background color
nscolor mBackgroundColor;

1
view/nsView.cpp
View File

@@ -467,7 +467,6 @@ void nsView::RemoveChild(nsView* child) {
struct DefaultWidgetInitData : public widget::InitData {
DefaultWidgetInitData() : widget::InitData() {
mWindowType = WindowType::Child;
mClipChildren = true;
mClipSiblings = true;
}

7
widget/InitData.h
View File

@@ -15,11 +15,8 @@ namespace mozilla::widget {
// Window types
enum class WindowType : uint8_t {
TopLevel, // default top level window
Dialog, // top level window but usually handled differently
// by the OS
Dialog, // top level window but usually handled differently by the OS
Popup, // used for combo boxes, etc
Child, // child windows (contained inside a window on the
// desktop (has no border))
Invisible, // a special hidden window (not to be created by arbitrary code)
};
@@ -77,7 +74,7 @@ enum class TransparencyMode : uint8_t {
// Basic struct for widget initialization data.
// @see Create member function of nsIWidget
struct InitData {
WindowType mWindowType = WindowType::Child;
WindowType mWindowType = WindowType::TopLevel;
BorderStyle mBorderStyle = BorderStyle::Default;
PopupType mPopupHint = PopupType::Panel;
PopupLevel mPopupLevel = PopupLevel::Top;

7
widget/cocoa/nsCocoaWindow.mm
View File

@@ -4552,9 +4552,6 @@ DesktopToLayoutDeviceScale ParentBackingScaleFactor(nsIWidget* aParent) {
static DesktopRect GetWidgetScreenRectForChildren(nsIWidget* aWidget) {
mozilla::DesktopToLayoutDeviceScale scale =
aWidget->GetDesktopToDeviceScale();
if (aWidget->GetWindowType() == WindowType::Child) {
return aWidget->GetScreenBounds() / scale;
}
return aWidget->GetClientBounds() / scale;
}
@@ -4686,7 +4683,6 @@ nsresult nsCocoaWindow::CreateNativeWindow(const NSRect& aRect,
// Configure the window we will create based on the window type.
switch (mWindowType) {
case WindowType::Invisible:
case WindowType::Child:
break;
case WindowType::Popup:
if (aBorderStyle != BorderStyle::Default &&
@@ -4978,9 +4974,6 @@ void nsCocoaWindow::SetModal(bool aModal) {
// (similar) event loops).
for (auto* ancestorWidget = mParent; ancestorWidget;
ancestorWidget = ancestorWidget->GetParent()) {
if (ancestorWidget->GetWindowType() == WindowType::Child) {
continue;
}
auto* ancestor = static_cast<nsCocoaWindow*>(ancestorWidget);
const bool changed = aModal ? ancestor->mNumModalDescendants++ == 0
: --ancestor->mNumModalDescendants == 0;

3
widget/gtk/nsWindow.cpp
View File

@@ -467,7 +467,6 @@ nsWindow::nsWindow()
mConfiguredClearColor(false),
mGotNonBlankPaint(false),
mNeedsToRetryCapturingMouse(false) {
mWindowType = WindowType::Child;
mSizeConstraints.mMaxSize = GetSafeWindowSize(mSizeConstraints.mMaxSize);
if (!gGlobalsInitialized) {
@@ -6016,8 +6015,6 @@ nsresult nsWindow::Create(nsIWidget* aParent, const LayoutDeviceIntRect& aRect,
auto* parentnsWindow = static_cast<nsWindow*>(aParent);
LOG(" parent window [%p]", parentnsWindow);
MOZ_DIAGNOSTIC_ASSERT(mWindowType != WindowType::Child);
MOZ_ASSERT_IF(mWindowType == WindowType::Popup, parentnsWindow);
if (mWindowType != WindowType::Dialog && mWindowType != WindowType::Popup &&

13
widget/nsBaseWidget.cpp
View File

@@ -516,10 +516,9 @@ already_AddRefed<nsIWidget> nsBaseWidget::CreateChild(
// Attach a view to our widget which we'll send events to.
void nsBaseWidget::AttachViewToTopLevel(bool aUseAttachedEvents) {
NS_ASSERTION((mWindowType == WindowType::TopLevel ||
NS_ASSERTION(mWindowType == WindowType::TopLevel ||
mWindowType == WindowType::Dialog ||
mWindowType == WindowType::Invisible ||
mWindowType == WindowType::Child),
mWindowType == WindowType::Invisible,
"Can't attach to window of that type");
mUseAttachedEvents = aUseAttachedEvents;
@@ -969,8 +968,8 @@ bool nsBaseWidget::UseAPZ() const {
return false;
}
// Always use APZ for top-level windows
if (mWindowType == WindowType::TopLevel || mWindowType == WindowType::Child) {
// Always use APZ for top-level windows. XXX what about Dialog?
if (mWindowType == WindowType::TopLevel) {
return true;
}
@@ -986,7 +985,9 @@ bool nsBaseWidget::UseAPZ() const {
if (HasRemoteContent()) {
return mWindowType == WindowType::Dialog ||
mWindowType == WindowType::Popup;
} else if (StaticPrefs::apz_popups_without_remote_enabled()) {
}
if (StaticPrefs::apz_popups_without_remote_enabled()) {
return mWindowType == WindowType::Popup;
}

2
widget/nsIWidget.h
View File

@@ -2094,7 +2094,7 @@ class nsIWidget : public nsISupports {
nsIWidget* MOZ_NON_OWNING_REF mParent = nullptr;
// When Destroy() is called, the sub class should set this true.
bool mOnDestroyCalled = false;
WindowType mWindowType = WindowType::Child;
WindowType mWindowType = WindowType::TopLevel;
WidgetType mWidgetType = WidgetType::Native;
};

9
widget/windows/nsWindow.cpp
View File

@@ -671,8 +671,6 @@ nsWindow::nsWindow()
mCachedHitTestTime(TimeStamp::Now()),
mSizeConstraintsScale(GetDefaultScale().scale),
mDesktopId("DesktopIdMutex") {
MOZ_ASSERT(mWindowType == WindowType::Child);
if (!gInitializedVirtualDesktopManager) {
TaskController::Get()->AddTask(
MakeAndAddRef<InitializeVirtualDesktopManagerTask>());
@@ -873,7 +871,6 @@ nsresult nsWindow::Create(nsIWidget* aParent, const LayoutDeviceIntRect& aRect,
if (!aInitData) aInitData = &defaultInitData;
MOZ_DIAGNOSTIC_ASSERT(aInitData->mWindowType != WindowType::Invisible);
MOZ_DIAGNOSTIC_ASSERT(aInitData->mWindowType != WindowType::Child);
mBounds = aRect;
@@ -1310,10 +1307,6 @@ static DWORD WindowStylesRemovedForBorderStyle(BorderStyle aStyle) {
DWORD nsWindow::WindowStyle() {
DWORD style;
switch (mWindowType) {
case WindowType::Child:
style = WS_OVERLAPPED;
break;
case WindowType::Dialog:
style = WS_OVERLAPPED | WS_BORDER | WS_DLGFRAME | WS_SYSMENU |
DS_MODALFRAME | WS_CLIPCHILDREN;
@@ -1345,8 +1338,6 @@ DWORD nsWindow::WindowStyle() {
// Return nsWindow extended styles
DWORD nsWindow::WindowExStyle() {
switch (mWindowType) {
case WindowType::Child:
return 0;
case WindowType::Popup: {
DWORD extendedStyle = WS_EX_TOOLWINDOW;
if (mPopupLevel == PopupLevel::Top) {