зеркало из https://github.com/mozilla/gecko-dev.git
730 строки
22 KiB
C++
730 строки
22 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 "nsXULTooltipListener.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsIDOMXULDocument.h"
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#include "nsIDOMXULElement.h"
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#include "nsIDocument.h"
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#include "nsGkAtoms.h"
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#include "nsMenuPopupFrame.h"
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#include "nsIServiceManager.h"
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#include "nsIDragService.h"
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#include "nsIDragSession.h"
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#ifdef MOZ_XUL
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#include "nsITreeView.h"
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#endif
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#include "nsIScriptContext.h"
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#include "nsPIDOMWindow.h"
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#ifdef MOZ_XUL
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#include "nsXULPopupManager.h"
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#endif
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#include "nsIRootBox.h"
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#include "nsIBoxObject.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent()
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#include "mozilla/dom/BoxObject.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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nsXULTooltipListener* nsXULTooltipListener::mInstance = nullptr;
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//////////////////////////////////////////////////////////////////////////
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//// nsISupports
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nsXULTooltipListener::nsXULTooltipListener()
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: mMouseScreenX(0)
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, mMouseScreenY(0)
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, mTooltipShownOnce(false)
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#ifdef MOZ_XUL
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, mIsSourceTree(false)
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, mNeedTitletip(false)
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, mLastTreeRow(-1)
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#endif
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{
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if (sTooltipListenerCount++ == 0) {
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// register the callback so we get notified of updates
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Preferences::RegisterCallback(ToolbarTipsPrefChanged,
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"browser.chrome.toolbar_tips");
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// Call the pref callback to initialize our state.
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ToolbarTipsPrefChanged("browser.chrome.toolbar_tips", nullptr);
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}
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}
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nsXULTooltipListener::~nsXULTooltipListener()
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{
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if (nsXULTooltipListener::mInstance == this) {
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ClearTooltipCache();
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}
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HideTooltip();
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if (--sTooltipListenerCount == 0) {
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// Unregister our pref observer
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Preferences::UnregisterCallback(ToolbarTipsPrefChanged,
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"browser.chrome.toolbar_tips");
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}
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}
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NS_IMPL_ISUPPORTS(nsXULTooltipListener, nsIDOMEventListener)
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void
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nsXULTooltipListener::MouseOut(nsIDOMEvent* aEvent)
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{
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// reset flag so that tooltip will display on the next MouseMove
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mTooltipShownOnce = false;
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// if the timer is running and no tooltip is shown, we
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// have to cancel the timer here so that it doesn't
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// show the tooltip if we move the mouse out of the window
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nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
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if (mTooltipTimer && !currentTooltip) {
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mTooltipTimer->Cancel();
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mTooltipTimer = nullptr;
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return;
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}
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#ifdef DEBUG_crap
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if (mNeedTitletip)
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return;
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#endif
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#ifdef MOZ_XUL
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// check to see if the mouse left the targetNode, and if so,
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// hide the tooltip
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if (currentTooltip) {
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// which node did the mouse leave?
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nsCOMPtr<nsIDOMNode> targetNode = do_QueryInterface(
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aEvent->InternalDOMEvent()->GetTarget());
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nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
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if (pm) {
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nsCOMPtr<nsIDOMNode> tooltipNode =
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pm->GetLastTriggerTooltipNode(currentTooltip->GetUncomposedDoc());
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if (tooltipNode == targetNode) {
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// if the target node is the current tooltip target node, the mouse
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// left the node the tooltip appeared on, so close the tooltip.
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HideTooltip();
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// reset special tree tracking
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if (mIsSourceTree) {
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mLastTreeRow = -1;
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mLastTreeCol = nullptr;
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}
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}
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}
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}
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#endif
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}
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void
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nsXULTooltipListener::MouseMove(nsIDOMEvent* aEvent)
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{
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if (!sShowTooltips)
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return;
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// stash the coordinates of the event so that we can still get back to it from within the
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// timer callback. On win32, we'll get a MouseMove event even when a popup goes away --
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// even when the mouse doesn't change position! To get around this, we make sure the
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// mouse has really moved before proceeding.
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nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aEvent));
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if (!mouseEvent)
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return;
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int32_t newMouseX, newMouseY;
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mouseEvent->GetScreenX(&newMouseX);
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mouseEvent->GetScreenY(&newMouseY);
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// filter out false win32 MouseMove event
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if (mMouseScreenX == newMouseX && mMouseScreenY == newMouseY)
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return;
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// filter out minor movements due to crappy optical mice and shaky hands
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// to prevent tooltips from hiding prematurely.
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nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
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if ((currentTooltip) &&
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(abs(mMouseScreenX - newMouseX) <= kTooltipMouseMoveTolerance) &&
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(abs(mMouseScreenY - newMouseY) <= kTooltipMouseMoveTolerance))
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return;
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mMouseScreenX = newMouseX;
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mMouseScreenY = newMouseY;
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nsCOMPtr<nsIContent> sourceContent = do_QueryInterface(
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aEvent->InternalDOMEvent()->GetCurrentTarget());
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mSourceNode = do_GetWeakReference(sourceContent);
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#ifdef MOZ_XUL
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mIsSourceTree = sourceContent->IsXULElement(nsGkAtoms::treechildren);
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if (mIsSourceTree)
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CheckTreeBodyMove(mouseEvent);
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#endif
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// as the mouse moves, we want to make sure we reset the timer to show it,
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// so that the delay is from when the mouse stops moving, not when it enters
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// the node.
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KillTooltipTimer();
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// If the mouse moves while the tooltip is up, hide it. If nothing is
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// showing and the tooltip hasn't been displayed since the mouse entered
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// the node, then start the timer to show the tooltip.
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if (!currentTooltip && !mTooltipShownOnce) {
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nsCOMPtr<EventTarget> eventTarget = aEvent->InternalDOMEvent()->GetTarget();
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// don't show tooltips attached to elements outside of a menu popup
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// when hovering over an element inside it. The popupsinherittooltip
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// attribute may be used to disable this behaviour, which is useful for
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// large menu hierarchies such as bookmarks.
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if (!sourceContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::popupsinherittooltip,
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nsGkAtoms::_true, eCaseMatters)) {
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nsCOMPtr<nsIContent> targetContent = do_QueryInterface(eventTarget);
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while (targetContent && targetContent != sourceContent) {
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if (targetContent->IsAnyOfXULElements(nsGkAtoms::menupopup,
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nsGkAtoms::panel,
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nsGkAtoms::tooltip)) {
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mSourceNode = nullptr;
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return;
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}
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targetContent = targetContent->GetParent();
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}
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}
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mTooltipTimer = do_CreateInstance("@mozilla.org/timer;1");
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if (mTooltipTimer) {
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mTargetNode = do_GetWeakReference(eventTarget);
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if (mTargetNode) {
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nsresult rv =
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mTooltipTimer->InitWithFuncCallback(sTooltipCallback, this,
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LookAndFeel::GetInt(LookAndFeel::eIntID_TooltipDelay, 500),
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nsITimer::TYPE_ONE_SHOT);
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if (NS_FAILED(rv)) {
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mTargetNode = nullptr;
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mSourceNode = nullptr;
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}
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}
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}
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return;
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}
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#ifdef MOZ_XUL
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if (mIsSourceTree)
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return;
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#endif
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HideTooltip();
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// set a flag so that the tooltip is only displayed once until the mouse
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// leaves the node
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mTooltipShownOnce = true;
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}
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NS_IMETHODIMP
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nsXULTooltipListener::HandleEvent(nsIDOMEvent* aEvent)
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{
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nsAutoString type;
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aEvent->GetType(type);
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if (type.EqualsLiteral("DOMMouseScroll") ||
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type.EqualsLiteral("keydown") ||
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type.EqualsLiteral("mousedown") ||
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type.EqualsLiteral("mouseup") ||
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type.EqualsLiteral("dragstart")) {
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HideTooltip();
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return NS_OK;
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}
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if (type.EqualsLiteral("popuphiding")) {
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DestroyTooltip();
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return NS_OK;
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}
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// Note that mousemove, mouseover and mouseout might be
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// fired even during dragging due to widget's bug.
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nsCOMPtr<nsIDragService> dragService =
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do_GetService("@mozilla.org/widget/dragservice;1");
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NS_ENSURE_TRUE(dragService, NS_OK);
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nsCOMPtr<nsIDragSession> dragSession;
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dragService->GetCurrentSession(getter_AddRefs(dragSession));
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if (dragSession) {
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return NS_OK;
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}
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// Not dragging.
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if (type.EqualsLiteral("mousemove")) {
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MouseMove(aEvent);
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return NS_OK;
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}
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if (type.EqualsLiteral("mouseout")) {
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MouseOut(aEvent);
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return NS_OK;
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}
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return NS_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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//// nsXULTooltipListener
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// static
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void
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nsXULTooltipListener::ToolbarTipsPrefChanged(const char *aPref,
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void *aClosure)
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{
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sShowTooltips =
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Preferences::GetBool("browser.chrome.toolbar_tips", sShowTooltips);
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}
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//////////////////////////////////////////////////////////////////////////
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//// nsXULTooltipListener
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bool nsXULTooltipListener::sShowTooltips = false;
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uint32_t nsXULTooltipListener::sTooltipListenerCount = 0;
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nsresult
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nsXULTooltipListener::AddTooltipSupport(nsIContent* aNode)
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{
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if (!aNode)
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return NS_ERROR_NULL_POINTER;
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aNode->AddSystemEventListener(NS_LITERAL_STRING("mouseout"), this,
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false, false);
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aNode->AddSystemEventListener(NS_LITERAL_STRING("mousemove"), this,
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false, false);
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aNode->AddSystemEventListener(NS_LITERAL_STRING("mousedown"), this,
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false, false);
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aNode->AddSystemEventListener(NS_LITERAL_STRING("mouseup"), this,
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false, false);
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aNode->AddSystemEventListener(NS_LITERAL_STRING("dragstart"), this,
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true, false);
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return NS_OK;
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}
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nsresult
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nsXULTooltipListener::RemoveTooltipSupport(nsIContent* aNode)
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{
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if (!aNode)
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return NS_ERROR_NULL_POINTER;
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aNode->RemoveSystemEventListener(NS_LITERAL_STRING("mouseout"), this, false);
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aNode->RemoveSystemEventListener(NS_LITERAL_STRING("mousemove"), this, false);
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aNode->RemoveSystemEventListener(NS_LITERAL_STRING("mousedown"), this, false);
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aNode->RemoveSystemEventListener(NS_LITERAL_STRING("mouseup"), this, false);
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aNode->RemoveSystemEventListener(NS_LITERAL_STRING("dragstart"), this, true);
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return NS_OK;
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}
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#ifdef MOZ_XUL
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void
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nsXULTooltipListener::CheckTreeBodyMove(nsIDOMMouseEvent* aMouseEvent)
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{
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nsCOMPtr<nsIContent> sourceNode = do_QueryReferent(mSourceNode);
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if (!sourceNode)
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return;
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// get the boxObject of the documentElement of the document the tree is in
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nsCOMPtr<nsIBoxObject> bx;
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nsIDocument* doc = sourceNode->GetComposedDoc();
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if (doc) {
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ErrorResult ignored;
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bx = doc->GetBoxObjectFor(doc->GetRootElement(), ignored);
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}
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nsCOMPtr<nsITreeBoxObject> obx;
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GetSourceTreeBoxObject(getter_AddRefs(obx));
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if (bx && obx) {
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int32_t x, y;
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aMouseEvent->GetScreenX(&x);
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aMouseEvent->GetScreenY(&y);
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int32_t row;
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nsCOMPtr<nsITreeColumn> col;
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nsAutoString obj;
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// subtract off the documentElement's boxObject
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int32_t boxX, boxY;
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bx->GetScreenX(&boxX);
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bx->GetScreenY(&boxY);
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x -= boxX;
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y -= boxY;
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obx->GetCellAt(x, y, &row, getter_AddRefs(col), obj);
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// determine if we are going to need a titletip
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// XXX check the disabletitletips attribute on the tree content
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mNeedTitletip = false;
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int16_t colType = -1;
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if (col) {
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col->GetType(&colType);
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}
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if (row >= 0 && obj.EqualsLiteral("text") &&
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colType != nsITreeColumn::TYPE_PASSWORD) {
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obx->IsCellCropped(row, col, &mNeedTitletip);
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}
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nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
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if (currentTooltip && (row != mLastTreeRow || col != mLastTreeCol)) {
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HideTooltip();
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}
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mLastTreeRow = row;
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mLastTreeCol = col;
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}
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}
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#endif
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nsresult
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nsXULTooltipListener::ShowTooltip()
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{
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nsCOMPtr<nsIContent> sourceNode = do_QueryReferent(mSourceNode);
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// get the tooltip content designated for the target node
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nsCOMPtr<nsIContent> tooltipNode;
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GetTooltipFor(sourceNode, getter_AddRefs(tooltipNode));
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if (!tooltipNode || sourceNode == tooltipNode)
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return NS_ERROR_FAILURE; // the target node doesn't need a tooltip
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// set the node in the document that triggered the tooltip and show it
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nsCOMPtr<nsIDOMXULDocument> xulDoc =
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do_QueryInterface(tooltipNode->GetComposedDoc());
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if (xulDoc) {
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// Make sure the target node is still attached to some document.
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// It might have been deleted.
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if (sourceNode->IsInComposedDoc()) {
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#ifdef MOZ_XUL
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if (!mIsSourceTree) {
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mLastTreeRow = -1;
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mLastTreeCol = nullptr;
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}
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#endif
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mCurrentTooltip = do_GetWeakReference(tooltipNode);
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LaunchTooltip();
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mTargetNode = nullptr;
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nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
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if (!currentTooltip)
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return NS_OK;
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// listen for popuphidden on the tooltip node, so that we can
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// be sure DestroyPopup is called even if someone else closes the tooltip
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currentTooltip->AddSystemEventListener(NS_LITERAL_STRING("popuphiding"),
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this, false, false);
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// listen for mousedown, mouseup, keydown, and DOMMouseScroll events at document level
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nsIDocument* doc = sourceNode->GetComposedDoc();
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if (doc) {
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// Probably, we should listen to untrusted events for hiding tooltips
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// on content since tooltips might disturb something of web
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// applications. If we don't specify the aWantsUntrusted of
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// AddSystemEventListener(), the event target sets it to TRUE if the
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// target is in content.
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doc->AddSystemEventListener(NS_LITERAL_STRING("DOMMouseScroll"),
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this, true);
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doc->AddSystemEventListener(NS_LITERAL_STRING("mousedown"),
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this, true);
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doc->AddSystemEventListener(NS_LITERAL_STRING("mouseup"),
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this, true);
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doc->AddSystemEventListener(NS_LITERAL_STRING("keydown"),
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this, true);
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}
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mSourceNode = nullptr;
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}
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}
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return NS_OK;
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}
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#ifdef MOZ_XUL
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// XXX: "This stuff inside DEBUG_crap could be used to make tree tooltips work
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// in the future."
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#ifdef DEBUG_crap
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static void
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GetTreeCellCoords(nsITreeBoxObject* aTreeBox, nsIContent* aSourceNode,
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int32_t aRow, nsITreeColumn* aCol, int32_t* aX, int32_t* aY)
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{
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int32_t junk;
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aTreeBox->GetCoordsForCellItem(aRow, aCol, EmptyCString(), aX, aY, &junk, &junk);
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nsCOMPtr<nsIDOMXULElement> xulEl(do_QueryInterface(aSourceNode));
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nsCOMPtr<nsIBoxObject> bx;
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xulEl->GetBoxObject(getter_AddRefs(bx));
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int32_t myX, myY;
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bx->GetX(&myX);
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bx->GetY(&myY);
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*aX += myX;
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*aY += myY;
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}
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#endif
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static void
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SetTitletipLabel(nsITreeBoxObject* aTreeBox, nsIContent* aTooltip,
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int32_t aRow, nsITreeColumn* aCol)
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{
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nsCOMPtr<nsITreeView> view;
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aTreeBox->GetView(getter_AddRefs(view));
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if (view) {
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nsAutoString label;
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#ifdef DEBUG
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nsresult rv =
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#endif
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view->GetCellText(aRow, aCol, label);
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NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Couldn't get the cell text!");
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aTooltip->SetAttr(kNameSpaceID_None, nsGkAtoms::label, label, true);
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}
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}
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#endif
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void
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nsXULTooltipListener::LaunchTooltip()
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{
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nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
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if (!currentTooltip)
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return;
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#ifdef MOZ_XUL
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if (mIsSourceTree && mNeedTitletip) {
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nsCOMPtr<nsITreeBoxObject> obx;
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GetSourceTreeBoxObject(getter_AddRefs(obx));
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SetTitletipLabel(obx, currentTooltip, mLastTreeRow, mLastTreeCol);
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if (!(currentTooltip = do_QueryReferent(mCurrentTooltip))) {
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// Because of mutation events, currentTooltip can be null.
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return;
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}
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currentTooltip->SetAttr(kNameSpaceID_None, nsGkAtoms::titletip, NS_LITERAL_STRING("true"), true);
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} else {
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currentTooltip->UnsetAttr(kNameSpaceID_None, nsGkAtoms::titletip, true);
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}
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if (!(currentTooltip = do_QueryReferent(mCurrentTooltip))) {
|
|
// Because of mutation events, currentTooltip can be null.
|
|
return;
|
|
}
|
|
|
|
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
|
|
if (pm) {
|
|
nsCOMPtr<nsIContent> target = do_QueryReferent(mTargetNode);
|
|
pm->ShowTooltipAtScreen(currentTooltip, target, mMouseScreenX, mMouseScreenY);
|
|
|
|
// Clear the current tooltip if the popup was not opened successfully.
|
|
if (!pm->IsPopupOpen(currentTooltip))
|
|
mCurrentTooltip = nullptr;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
nsresult
|
|
nsXULTooltipListener::HideTooltip()
|
|
{
|
|
#ifdef MOZ_XUL
|
|
nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
|
|
if (currentTooltip) {
|
|
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
|
|
if (pm)
|
|
pm->HidePopup(currentTooltip, false, false, false, false);
|
|
}
|
|
#endif
|
|
|
|
DestroyTooltip();
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
GetImmediateChild(nsIContent* aContent, nsIAtom *aTag, nsIContent** aResult)
|
|
{
|
|
*aResult = nullptr;
|
|
uint32_t childCount = aContent->GetChildCount();
|
|
for (uint32_t i = 0; i < childCount; i++) {
|
|
nsIContent *child = aContent->GetChildAt(i);
|
|
|
|
if (child->IsXULElement(aTag)) {
|
|
*aResult = child;
|
|
NS_ADDREF(*aResult);
|
|
return;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
nsresult
|
|
nsXULTooltipListener::FindTooltip(nsIContent* aTarget, nsIContent** aTooltip)
|
|
{
|
|
if (!aTarget)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// before we go on, make sure that target node still has a window
|
|
nsIDocument *document = aTarget->GetComposedDoc();
|
|
if (!document) {
|
|
NS_WARNING("Unable to retrieve the tooltip node document.");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
nsPIDOMWindowOuter *window = document->GetWindow();
|
|
if (!window) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (window->Closed()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoString tooltipText;
|
|
aTarget->GetAttr(kNameSpaceID_None, nsGkAtoms::tooltiptext, tooltipText);
|
|
if (!tooltipText.IsEmpty()) {
|
|
// specifying tooltiptext means we will always use the default tooltip
|
|
nsIRootBox* rootBox = nsIRootBox::GetRootBox(document->GetShell());
|
|
NS_ENSURE_STATE(rootBox);
|
|
*aTooltip = rootBox->GetDefaultTooltip();
|
|
if (*aTooltip) {
|
|
NS_ADDREF(*aTooltip);
|
|
(*aTooltip)->SetAttr(kNameSpaceID_None, nsGkAtoms::label, tooltipText, true);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoString tooltipId;
|
|
aTarget->GetAttr(kNameSpaceID_None, nsGkAtoms::tooltip, tooltipId);
|
|
|
|
// if tooltip == _child, look for first <tooltip> child
|
|
if (tooltipId.EqualsLiteral("_child")) {
|
|
GetImmediateChild(aTarget, nsGkAtoms::tooltip, aTooltip);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!tooltipId.IsEmpty() && aTarget->IsInUncomposedDoc()) {
|
|
// tooltip must be an id, use getElementById to find it
|
|
//XXXsmaug If aTarget is in shadow dom, should we use
|
|
// ShadowRoot::GetElementById()?
|
|
nsCOMPtr<nsIContent> tooltipEl = document->GetElementById(tooltipId);
|
|
|
|
if (tooltipEl) {
|
|
#ifdef MOZ_XUL
|
|
mNeedTitletip = false;
|
|
#endif
|
|
tooltipEl.forget(aTooltip);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
// titletips should just use the default tooltip
|
|
if (mIsSourceTree && mNeedTitletip) {
|
|
nsIRootBox* rootBox = nsIRootBox::GetRootBox(document->GetShell());
|
|
NS_ENSURE_STATE(rootBox);
|
|
NS_IF_ADDREF(*aTooltip = rootBox->GetDefaultTooltip());
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsXULTooltipListener::GetTooltipFor(nsIContent* aTarget, nsIContent** aTooltip)
|
|
{
|
|
*aTooltip = nullptr;
|
|
nsCOMPtr<nsIContent> tooltip;
|
|
nsresult rv = FindTooltip(aTarget, getter_AddRefs(tooltip));
|
|
if (NS_FAILED(rv) || !tooltip) {
|
|
return rv;
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
// Submenus can't be used as tooltips, see bug 288763.
|
|
nsIContent* parent = tooltip->GetParent();
|
|
if (parent) {
|
|
nsMenuFrame* menu = do_QueryFrame(parent->GetPrimaryFrame());
|
|
if (menu) {
|
|
NS_WARNING("Menu cannot be used as a tooltip");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
tooltip.swap(*aTooltip);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXULTooltipListener::DestroyTooltip()
|
|
{
|
|
nsCOMPtr<nsIDOMEventListener> kungFuDeathGrip(this);
|
|
nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
|
|
if (currentTooltip) {
|
|
// release tooltip before removing listener to prevent our destructor from
|
|
// being called recursively (bug 120863)
|
|
mCurrentTooltip = nullptr;
|
|
|
|
// clear out the tooltip node on the document
|
|
nsCOMPtr<nsIDocument> doc = currentTooltip->GetComposedDoc();
|
|
if (doc) {
|
|
// remove the mousedown and keydown listener from document
|
|
doc->RemoveSystemEventListener(NS_LITERAL_STRING("DOMMouseScroll"), this,
|
|
true);
|
|
doc->RemoveSystemEventListener(NS_LITERAL_STRING("mousedown"), this,
|
|
true);
|
|
doc->RemoveSystemEventListener(NS_LITERAL_STRING("mouseup"), this, true);
|
|
doc->RemoveSystemEventListener(NS_LITERAL_STRING("keydown"), this, true);
|
|
}
|
|
|
|
// remove the popuphidden listener from tooltip
|
|
currentTooltip->RemoveSystemEventListener(NS_LITERAL_STRING("popuphiding"), this, false);
|
|
}
|
|
|
|
// kill any ongoing timers
|
|
KillTooltipTimer();
|
|
mSourceNode = nullptr;
|
|
#ifdef MOZ_XUL
|
|
mLastTreeCol = nullptr;
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXULTooltipListener::KillTooltipTimer()
|
|
{
|
|
if (mTooltipTimer) {
|
|
mTooltipTimer->Cancel();
|
|
mTooltipTimer = nullptr;
|
|
mTargetNode = nullptr;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULTooltipListener::sTooltipCallback(nsITimer *aTimer, void *aListener)
|
|
{
|
|
RefPtr<nsXULTooltipListener> instance = mInstance;
|
|
if (instance)
|
|
instance->ShowTooltip();
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
nsresult
|
|
nsXULTooltipListener::GetSourceTreeBoxObject(nsITreeBoxObject** aBoxObject)
|
|
{
|
|
*aBoxObject = nullptr;
|
|
|
|
nsCOMPtr<nsIContent> sourceNode = do_QueryReferent(mSourceNode);
|
|
if (mIsSourceTree && sourceNode) {
|
|
nsCOMPtr<nsIDOMXULElement> xulEl(do_QueryInterface(sourceNode->GetParent()));
|
|
if (xulEl) {
|
|
nsCOMPtr<nsIBoxObject> bx;
|
|
xulEl->GetBoxObject(getter_AddRefs(bx));
|
|
nsCOMPtr<nsITreeBoxObject> obx(do_QueryInterface(bx));
|
|
if (obx) {
|
|
*aBoxObject = obx;
|
|
NS_ADDREF(*aBoxObject);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|