зеркало из https://github.com/mozilla/gecko-dev.git
372 строки
11 KiB
C++
372 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsIRootBox.h"
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#include "nsIPresShell.h"
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#include "nsIContent.h"
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#include "nsNameSpaceManager.h"
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#include "nsGkAtoms.h"
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#include "nsMenuPopupFrame.h"
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#include "nsView.h"
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#include "mozilla/AppUnits.h"
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#include "mozilla/dom/DOMRect.h"
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#include "mozilla/dom/PopupBoxObject.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/Event.h"
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#include "mozilla/dom/PopupBoxObjectBinding.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ADDREF_INHERITED(PopupBoxObject, BoxObject)
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NS_IMPL_RELEASE_INHERITED(PopupBoxObject, BoxObject)
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NS_INTERFACE_MAP_BEGIN(PopupBoxObject)
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NS_INTERFACE_MAP_END_INHERITING(BoxObject)
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PopupBoxObject::PopupBoxObject()
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{
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}
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PopupBoxObject::~PopupBoxObject()
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{
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}
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nsIContent* PopupBoxObject::GetParentObject() const
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{
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return BoxObject::GetParentObject();
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}
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JSObject* PopupBoxObject::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return PopupBoxObjectBinding::Wrap(aCx, this, aGivenProto);
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}
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nsPopupSetFrame*
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PopupBoxObject::GetPopupSetFrame()
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{
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nsIRootBox* rootBox = nsIRootBox::GetRootBox(GetPresShell(false));
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if (!rootBox)
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return nullptr;
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return rootBox->GetPopupSetFrame();
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}
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void
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PopupBoxObject::HidePopup(bool aCancel)
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{
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm && mContent) {
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pm->HidePopup(mContent, false, true, false, aCancel);
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}
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}
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void
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PopupBoxObject::ShowPopup(Element* aAnchorElement,
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Element& aPopupElement,
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int32_t aXPos, int32_t aYPos,
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const nsAString& aPopupType,
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const nsAString& aAnchorAlignment,
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const nsAString& aPopupAlignment)
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{
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm && mContent) {
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nsCOMPtr<nsIContent> anchorContent(do_QueryInterface(aAnchorElement));
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nsAutoString popupType(aPopupType);
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nsAutoString anchor(aAnchorAlignment);
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nsAutoString align(aPopupAlignment);
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pm->ShowPopupWithAnchorAlign(mContent, anchorContent, anchor, align,
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aXPos, aYPos,
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popupType.EqualsLiteral("context"));
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}
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}
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void
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PopupBoxObject::OpenPopup(Element* aAnchorElement,
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const nsAString& aPosition,
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int32_t aXPos, int32_t aYPos,
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bool aIsContextMenu,
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bool aAttributesOverride,
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Event* aTriggerEvent)
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{
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm && mContent) {
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nsCOMPtr<nsIContent> anchorContent(do_QueryInterface(aAnchorElement));
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pm->ShowPopup(mContent, anchorContent, aPosition, aXPos, aYPos,
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aIsContextMenu, aAttributesOverride, false, aTriggerEvent);
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}
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}
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void
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PopupBoxObject::OpenPopupAtScreen(int32_t aXPos, int32_t aYPos,
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bool aIsContextMenu,
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Event* aTriggerEvent)
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{
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm && mContent)
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pm->ShowPopupAtScreen(mContent, aXPos, aYPos, aIsContextMenu, aTriggerEvent);
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}
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void
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PopupBoxObject::OpenPopupAtScreenRect(const nsAString& aPosition,
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int32_t aXPos, int32_t aYPos,
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int32_t aWidth, int32_t aHeight,
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bool aIsContextMenu,
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bool aAttributesOverride,
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Event* aTriggerEvent)
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{
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm && mContent) {
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pm->ShowPopupAtScreenRect(mContent, aPosition,
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nsIntRect(aXPos, aYPos, aWidth, aHeight),
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aIsContextMenu, aAttributesOverride, aTriggerEvent);
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}
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}
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void
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PopupBoxObject::MoveTo(int32_t aLeft, int32_t aTop)
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{
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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if (menuPopupFrame) {
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menuPopupFrame->MoveTo(CSSIntPoint(aLeft, aTop), true);
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}
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}
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void
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PopupBoxObject::MoveToAnchor(Element* aAnchorElement,
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const nsAString& aPosition,
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int32_t aXPos, int32_t aYPos,
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bool aAttributesOverride)
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{
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if (mContent) {
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nsCOMPtr<nsIContent> anchorContent(do_QueryInterface(aAnchorElement));
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nsMenuPopupFrame *menuPopupFrame = do_QueryFrame(mContent->GetPrimaryFrame());
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if (menuPopupFrame && menuPopupFrame->IsVisible()) {
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menuPopupFrame->MoveToAnchor(anchorContent, aPosition, aXPos, aYPos, aAttributesOverride);
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}
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}
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}
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void
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PopupBoxObject::SizeTo(int32_t aWidth, int32_t aHeight)
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{
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if (!mContent)
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return;
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nsAutoString width, height;
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width.AppendInt(aWidth);
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height.AppendInt(aHeight);
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nsCOMPtr<nsIContent> content = mContent;
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// We only want to pass aNotify=true to SetAttr once, but must make sure
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// we pass it when a value is being changed. Thus, we check if the height
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// is the same and if so, pass true when setting the width.
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bool heightSame = content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::height, height, eCaseMatters);
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content->SetAttr(kNameSpaceID_None, nsGkAtoms::width, width, heightSame);
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content->SetAttr(kNameSpaceID_None, nsGkAtoms::height, height, true);
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}
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bool
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PopupBoxObject::AutoPosition()
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{
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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if (menuPopupFrame) {
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return menuPopupFrame->GetAutoPosition();
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}
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return true;
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}
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void
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PopupBoxObject::SetAutoPosition(bool aShouldAutoPosition)
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{
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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if (menuPopupFrame) {
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menuPopupFrame->SetAutoPosition(aShouldAutoPosition);
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}
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}
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void
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PopupBoxObject::EnableRollup(bool aShouldRollup)
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{
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// this does nothing now
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}
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void
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PopupBoxObject::SetConsumeRollupEvent(uint32_t aConsume)
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{
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nsMenuPopupFrame *menuPopupFrame = do_QueryFrame(GetFrame(false));
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if (menuPopupFrame) {
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menuPopupFrame->SetConsumeRollupEvent(aConsume);
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}
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}
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void
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PopupBoxObject::EnableKeyboardNavigator(bool aEnableKeyboardNavigator)
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{
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if (!mContent)
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return;
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// Use ignorekeys="true" on the popup instead of using this function.
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if (aEnableKeyboardNavigator)
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mContent->UnsetAttr(kNameSpaceID_None, nsGkAtoms::ignorekeys, true);
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else
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mContent->SetAttr(kNameSpaceID_None, nsGkAtoms::ignorekeys,
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NS_LITERAL_STRING("true"), true);
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}
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void
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PopupBoxObject::GetPopupState(nsString& aState)
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{
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// set this here in case there's no frame for the popup
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aState.AssignLiteral("closed");
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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if (menuPopupFrame) {
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switch (menuPopupFrame->PopupState()) {
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case ePopupShown:
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aState.AssignLiteral("open");
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break;
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case ePopupShowing:
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case ePopupOpening:
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case ePopupVisible:
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aState.AssignLiteral("showing");
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break;
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case ePopupHiding:
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case ePopupInvisible:
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aState.AssignLiteral("hiding");
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break;
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case ePopupClosed:
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break;
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default:
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NS_NOTREACHED("Bad popup state");
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break;
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}
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}
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}
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nsINode*
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PopupBoxObject::GetTriggerNode() const
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{
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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return nsMenuPopupFrame::GetTriggerContent(menuPopupFrame);
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}
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Element*
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PopupBoxObject::GetAnchorNode() const
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{
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nsMenuPopupFrame *menuPopupFrame = mContent ? do_QueryFrame(mContent->GetPrimaryFrame()) : nullptr;
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if (!menuPopupFrame) {
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return nullptr;
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}
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nsIContent* anchor = menuPopupFrame->GetAnchor();
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return anchor && anchor->IsElement() ? anchor->AsElement() : nullptr;
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}
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already_AddRefed<DOMRect>
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PopupBoxObject::GetOuterScreenRect()
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{
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nsRefPtr<DOMRect> rect = new DOMRect(mContent);
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// Return an empty rectangle if the popup is not open.
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nsMenuPopupFrame *menuPopupFrame = do_QueryFrame(GetFrame(false));
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if (!menuPopupFrame || !menuPopupFrame->IsOpen()) {
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return rect.forget();
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}
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nsView* view = menuPopupFrame->GetView();
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if (view) {
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nsIWidget* widget = view->GetWidget();
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if (widget) {
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nsIntRect screenRect;
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widget->GetScreenBounds(screenRect);
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int32_t pp = menuPopupFrame->PresContext()->AppUnitsPerDevPixel();
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rect->SetLayoutRect(ToAppUnits(screenRect, pp));
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}
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}
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return rect.forget();
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}
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void
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PopupBoxObject::GetAlignmentPosition(nsString& positionStr)
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{
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positionStr.Truncate();
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// This needs to flush layout.
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nsMenuPopupFrame *menuPopupFrame = do_QueryFrame(GetFrame(true));
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if (!menuPopupFrame)
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return;
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int8_t position = menuPopupFrame->GetAlignmentPosition();
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switch (position) {
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case POPUPPOSITION_AFTERSTART:
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positionStr.AssignLiteral("after_start");
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break;
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case POPUPPOSITION_AFTEREND:
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positionStr.AssignLiteral("after_end");
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break;
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case POPUPPOSITION_BEFORESTART:
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positionStr.AssignLiteral("before_start");
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break;
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case POPUPPOSITION_BEFOREEND:
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positionStr.AssignLiteral("before_end");
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break;
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case POPUPPOSITION_STARTBEFORE:
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positionStr.AssignLiteral("start_before");
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break;
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case POPUPPOSITION_ENDBEFORE:
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positionStr.AssignLiteral("end_before");
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break;
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case POPUPPOSITION_STARTAFTER:
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positionStr.AssignLiteral("start_after");
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break;
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case POPUPPOSITION_ENDAFTER:
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positionStr.AssignLiteral("end_after");
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break;
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case POPUPPOSITION_OVERLAP:
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positionStr.AssignLiteral("overlap");
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break;
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case POPUPPOSITION_AFTERPOINTER:
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positionStr.AssignLiteral("after_pointer");
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break;
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default:
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// Leave as an empty string.
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break;
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}
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}
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int32_t
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PopupBoxObject::AlignmentOffset()
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{
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nsMenuPopupFrame *menuPopupFrame = do_QueryFrame(GetFrame(false));
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if (!menuPopupFrame)
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return 0;
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int32_t pp = mozilla::AppUnitsPerCSSPixel();
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// Note that the offset might be along either the X or Y axis, but for the
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// sake of simplicity we use a point with only the X axis set so we can
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// use ToNearestPixels().
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nsPoint appOffset(menuPopupFrame->GetAlignmentOffset(), 0);
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nsIntPoint popupOffset = appOffset.ToNearestPixels(pp);
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return popupOffset.x;
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}
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} // namespace dom
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} // namespace mozilla
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// Creation Routine ///////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewPopupBoxObject(nsIBoxObject** aResult)
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{
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*aResult = new mozilla::dom::PopupBoxObject();
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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