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Diffstat (limited to '')
| -rw-r--r-- | dom/xul/XULPopupElement.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/dom/xul/XULPopupElement.cpp b/dom/xul/XULPopupElement.cpp new file mode 100644 index 0000000000..42ddd23fc8 --- /dev/null +++ b/dom/xul/XULPopupElement.cpp @@ -0,0 +1,243 @@ +/* -*- 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); + } +} + +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->IsVisible()) { + 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"); + + nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(GetPrimaryFrame()); + if (menuPopupFrame) { + switch (menuPopupFrame->PopupState()) { + 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(); + } + + nsView* view = menuPopupFrame->GetView(); + if (view) { + nsIWidget* widget = view->GetWidget(); + if (widget) { + LayoutDeviceIntRect screenRect = widget->GetScreenBounds(); + + int32_t pp = menuPopupFrame->PresContext()->AppUnitsPerDevPixel(); + rect->SetLayoutRect(LayoutDeviceIntRect::ToAppUnits(screenRect, pp)); + } + } + 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 |