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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsIContent.h"
#include "nsNameSpaceManager.h"
#include "nsGkAtoms.h"
#include "nsMenuPopupFrame.h"
#include "nsView.h"
#include "mozilla/AppUnits.h"
#include "mozilla/dom/DOMRect.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/XULPopupElement.h"
#include "mozilla/dom/XULPopupElementBinding.h"
namespace mozilla {
namespace dom {
nsXULElement* NS_NewXULPopupElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo) {
RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
auto* nim = nodeInfo->NodeInfoManager();
return new (nim) XULPopupElement(nodeInfo.forget());
}
JSObject* XULPopupElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return XULPopupElement_Binding::Wrap(aCx, this, aGivenProto);
}
void XULPopupElement::OpenPopup(Element* aAnchorElement,
const StringOrOpenPopupOptions& aOptions,
int32_t aXPos, int32_t aYPos,
bool aIsContextMenu, bool aAttributesOverride,
Event* aTriggerEvent) {
nsAutoString position;
if (aOptions.IsOpenPopupOptions()) {
const OpenPopupOptions& options = aOptions.GetAsOpenPopupOptions();
position = options.mPosition;
aXPos = options.mX;
aYPos = options.mY;
aIsContextMenu = options.mIsContextMenu;
aAttributesOverride = options.mAttributesOverride;
aTriggerEvent = options.mTriggerEvent;
} else {
position = aOptions.GetAsString();
}
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
// As a special case for popups that are menus when no anchor or position
// are specified, open the popup with ShowMenu instead of ShowPopup so that
// the popup is aligned with the menu.
if (!aAnchorElement && position.IsEmpty() && GetPrimaryFrame()) {
nsMenuFrame* menu = do_QueryFrame(GetPrimaryFrame()->GetParent());
if (menu) {
pm->ShowMenu(menu->GetContent(), false, false);
return;
}
}
pm->ShowPopup(this, aAnchorElement, position, aXPos, aYPos, aIsContextMenu,
aAttributesOverride, false, aTriggerEvent);
}
}
void XULPopupElement::OpenPopupAtScreen(int32_t aXPos, int32_t aYPos,
bool aIsContextMenu,
Event* aTriggerEvent) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
pm->ShowPopupAtScreen(this, aXPos, aYPos, aIsContextMenu, aTriggerEvent);
}
}
void XULPopupElement::OpenPopupAtScreenRect(const nsAString& aPosition,
int32_t aXPos, int32_t aYPos,
int32_t aWidth, int32_t aHeight,
bool aIsContextMenu,
bool aAttributesOverride,
Event* aTriggerEvent) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
pm->ShowPopupAtScreenRect(
this, aPosition, nsIntRect(aXPos, aYPos, aWidth, aHeight),
aIsContextMenu, aAttributesOverride, aTriggerEvent);
}
}
void XULPopupElement::HidePopup(bool aCancel) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) {
pm->HidePopup(this, false, true, false, aCancel);
}
}
static Modifiers ConvertModifiers(const ActivateMenuItemOptions& aModifiers) {
Modifiers modifiers = 0;
if (aModifiers.mCtrlKey) {
modifiers |= MODIFIER_CONTROL;
}
if (aModifiers.mAltKey) {
modifiers |= MODIFIER_ALT;
}
if (aModifiers.mShiftKey) {
modifiers |= MODIFIER_SHIFT;
}
if (aModifiers.mMetaKey) {
modifiers |= MODIFIER_META;
}
return modifiers;
}
void XULPopupElement::ActivateItem(Element& aItemElement,
const ActivateMenuItemOptions& aOptions,
ErrorResult& aRv) {
if (!Contains(&aItemElement)) {
return aRv.ThrowInvalidStateError("Menu item is not inside this menu.");
}
Modifiers modifiers = ConvertModifiers(aOptions);
// First, check if a native menu is open, and activate the item in it.
if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) {
if (pm->ActivateNativeMenuItem(&aItemElement, modifiers, aOptions.mButton,
aRv)) {
return;
}
}
// Used only to flush frames.
GetPrimaryFrame(FlushType::Frames);
nsMenuFrame* itemFrame = do_QueryFrame(aItemElement.GetPrimaryFrame());
if (!itemFrame) {
return aRv.ThrowInvalidStateError("Menu item is not visible");
}
if (!itemFrame->GetMenuParent() || !itemFrame->GetMenuParent()->IsOpen()) {
return aRv.ThrowInvalidStateError("Menu is closed");
}
itemFrame->ActivateItem(modifiers, aOptions.mButton);
}
void XULPopupElement::MoveTo(int32_t aLeft, int32_t aTop) {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (menuPopupFrame) {
menuPopupFrame->MoveTo(CSSIntPoint(aLeft, aTop), true);
}
}
void XULPopupElement::MoveToAnchor(Element* aAnchorElement,
const nsAString& aPosition, int32_t aXPos,
int32_t aYPos, bool aAttributesOverride) {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (menuPopupFrame && menuPopupFrame->IsVisibleOrShowing()) {
menuPopupFrame->MoveToAnchor(aAnchorElement, aPosition, aXPos, aYPos,
aAttributesOverride);
}
}
void XULPopupElement::SizeTo(int32_t aWidth, int32_t aHeight) {
nsAutoString width, height;
width.AppendInt(aWidth);
height.AppendInt(aHeight);
nsCOMPtr<nsIContent> kungFuDeathGrip = this; // keep a reference
// We only want to pass aNotify=true to SetAttr once, but must make sure
// we pass it when a value is being changed. Thus, we check if the height
// is the same and if so, pass true when setting the width.
bool heightSame =
AttrValueIs(kNameSpaceID_None, nsGkAtoms::height, height, eCaseMatters);
SetAttr(kNameSpaceID_None, nsGkAtoms::width, width, heightSame);
SetAttr(kNameSpaceID_None, nsGkAtoms::height, height, true);
// If the popup is open, force a reposition of the popup after resizing it
// with notifications set to true so that the popuppositioned event is fired.
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (menuPopupFrame && menuPopupFrame->PopupState() == ePopupShown) {
menuPopupFrame->SetPopupPosition(nullptr, false, false);
}
}
bool XULPopupElement::AutoPosition() {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (menuPopupFrame) {
return menuPopupFrame->GetAutoPosition();
}
return true;
}
void XULPopupElement::SetAutoPosition(bool aShouldAutoPosition) {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (menuPopupFrame) {
menuPopupFrame->SetAutoPosition(aShouldAutoPosition);
}
}
void XULPopupElement::GetState(nsString& aState) {
// set this here in case there's no frame for the popup
aState.AssignLiteral("closed");
if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) {
switch (pm->GetPopupState(this)) {
case ePopupShown:
aState.AssignLiteral("open");
break;
case ePopupShowing:
case ePopupPositioning:
case ePopupOpening:
case ePopupVisible:
aState.AssignLiteral("showing");
break;
case ePopupHiding:
case ePopupInvisible:
aState.AssignLiteral("hiding");
break;
case ePopupClosed:
break;
default:
MOZ_ASSERT_UNREACHABLE("Bad popup state");
break;
}
}
}
nsINode* XULPopupElement::GetTriggerNode() const {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
return nsMenuPopupFrame::GetTriggerContent(menuPopupFrame);
}
bool XULPopupElement::IsAnchored() const {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (!menuPopupFrame) {
return false;
}
return menuPopupFrame->IsAnchored();
}
// FIXME(emilio): should probably be renamed to GetAnchorElement?
Element* XULPopupElement::GetAnchorNode() const {
nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame());
if (!menuPopupFrame) {
return nullptr;
}
return Element::FromNodeOrNull(menuPopupFrame->GetAnchor());
}
already_AddRefed<DOMRect> XULPopupElement::GetOuterScreenRect() {
RefPtr<DOMRect> rect = new DOMRect(ToSupports(this));
// Return an empty rectangle if the popup is not open.
nsMenuPopupFrame* menuPopupFrame =
do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (!menuPopupFrame || !menuPopupFrame->IsOpen()) {
return rect.forget();
}
Maybe<CSSRect> screenRect;
if (menuPopupFrame->IsNativeMenu()) {
// For native menus we can't query the true size. Use the anchor rect
// instead, which at least has the position at which we were intending to
// open the menu.
screenRect = Some(CSSRect(menuPopupFrame->GetScreenAnchorRect()));
} else {
// For non-native menus, query the bounds from the widget.
if (nsView* view = menuPopupFrame->GetView()) {
if (nsIWidget* widget = view->GetWidget()) {
screenRect = Some(widget->GetScreenBounds() /
menuPopupFrame->PresContext()->CSSToDevPixelScale());
}
}
}
if (screenRect) {
rect->SetRect(screenRect->X(), screenRect->Y(), screenRect->Width(),
screenRect->Height());
}
return rect.forget();
}
void XULPopupElement::SetConstraintRect(dom::DOMRectReadOnly& aRect) {
nsMenuPopupFrame* menuPopupFrame =
do_QueryFrame(GetPrimaryFrame(FlushType::Frames));
if (menuPopupFrame) {
menuPopupFrame->SetOverrideConstraintRect(LayoutDeviceIntRect::Truncate(
aRect.Left(), aRect.Top(), aRect.Width(), aRect.Height()));
}
}
} // namespace dom
} // namespace mozilla