The Tor Browser / file comparison
comparison: layout/xul/nsButtonBoxFrame.cpp
layout/xul/nsButtonBoxFrame.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:0af3e0ce303c |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #include "nsCOMPtr.h" | |
| 6 #include "nsButtonBoxFrame.h" | |
| 7 #include "nsIContent.h" | |
| 8 #include "nsIDOMNodeList.h" | |
| 9 #include "nsIDOMXULButtonElement.h" | |
| 10 #include "nsGkAtoms.h" | |
| 11 #include "nsNameSpaceManager.h" | |
| 12 #include "nsPresContext.h" | |
| 13 #include "nsIPresShell.h" | |
| 14 #include "nsIDOMElement.h" | |
| 15 #include "nsDisplayList.h" | |
| 16 #include "nsContentUtils.h" | |
| 17 #include "mozilla/dom/Element.h" | |
| 18 #include "mozilla/EventStateManager.h" | |
| 19 #include "mozilla/EventStates.h" | |
| 20 #include "mozilla/MouseEvents.h" | |
| 21 #include "mozilla/TextEvents.h" | |
| 22 | |
| 23 using namespace mozilla; | |
| 24 | |
| 25 // | |
| 26 // NS_NewXULButtonFrame | |
| 27 // | |
| 28 // Creates a new Button frame and returns it | |
| 29 // | |
| 30 nsIFrame* | |
| 31 NS_NewButtonBoxFrame (nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 32 { | |
| 33 return new (aPresShell) nsButtonBoxFrame(aPresShell, aContext); | |
| 34 } | |
| 35 | |
| 36 NS_IMPL_FRAMEARENA_HELPERS(nsButtonBoxFrame) | |
| 37 | |
| 38 void | |
| 39 nsButtonBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder, | |
| 40 const nsRect& aDirtyRect, | |
| 41 const nsDisplayListSet& aLists) | |
| 42 { | |
| 43 // override, since we don't want children to get events | |
| 44 if (aBuilder->IsForEventDelivery()) | |
| 45 return; | |
| 46 nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists); | |
| 47 } | |
| 48 | |
| 49 nsresult | |
| 50 nsButtonBoxFrame::HandleEvent(nsPresContext* aPresContext, | |
| 51 WidgetGUIEvent* aEvent, | |
| 52 nsEventStatus* aEventStatus) | |
| 53 { | |
| 54 NS_ENSURE_ARG_POINTER(aEventStatus); | |
| 55 if (nsEventStatus_eConsumeNoDefault == *aEventStatus) { | |
| 56 return NS_OK; | |
| 57 } | |
| 58 | |
| 59 switch (aEvent->message) { | |
| 60 case NS_KEY_DOWN: { | |
| 61 WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent(); | |
| 62 if (!keyEvent) { | |
| 63 break; | |
| 64 } | |
| 65 if (NS_VK_SPACE == keyEvent->keyCode) { | |
| 66 EventStateManager* esm = aPresContext->EventStateManager(); | |
| 67 // :hover:active state | |
| 68 esm->SetContentState(mContent, NS_EVENT_STATE_HOVER); | |
| 69 esm->SetContentState(mContent, NS_EVENT_STATE_ACTIVE); | |
| 70 } | |
| 71 break; | |
| 72 } | |
| 73 | |
| 74 // On mac, Return fires the default button, not the focused one. | |
| 75 #ifndef XP_MACOSX | |
| 76 case NS_KEY_PRESS: { | |
| 77 WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent(); | |
| 78 if (!keyEvent) { | |
| 79 break; | |
| 80 } | |
| 81 if (NS_VK_RETURN == keyEvent->keyCode) { | |
| 82 nsCOMPtr<nsIDOMXULButtonElement> buttonEl(do_QueryInterface(mContent)); | |
| 83 if (buttonEl) { | |
| 84 MouseClicked(aPresContext, aEvent); | |
| 85 *aEventStatus = nsEventStatus_eConsumeNoDefault; | |
| 86 } | |
| 87 } | |
| 88 break; | |
| 89 } | |
| 90 #endif | |
| 91 | |
| 92 case NS_KEY_UP: { | |
| 93 WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent(); | |
| 94 if (!keyEvent) { | |
| 95 break; | |
| 96 } | |
| 97 if (NS_VK_SPACE == keyEvent->keyCode) { | |
| 98 // only activate on keyup if we're already in the :hover:active state | |
| 99 NS_ASSERTION(mContent->IsElement(), "How do we have a non-element?"); | |
| 100 EventStates buttonState = mContent->AsElement()->State(); | |
| 101 if (buttonState.HasAllStates(NS_EVENT_STATE_ACTIVE | | |
| 102 NS_EVENT_STATE_HOVER)) { | |
| 103 // return to normal state | |
| 104 EventStateManager* esm = aPresContext->EventStateManager(); | |
| 105 esm->SetContentState(nullptr, NS_EVENT_STATE_ACTIVE); | |
| 106 esm->SetContentState(nullptr, NS_EVENT_STATE_HOVER); | |
| 107 MouseClicked(aPresContext, aEvent); | |
| 108 } | |
| 109 } | |
| 110 break; | |
| 111 } | |
| 112 | |
| 113 case NS_MOUSE_CLICK: { | |
| 114 WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent(); | |
| 115 if (mouseEvent->IsLeftClickEvent()) { | |
| 116 MouseClicked(aPresContext, mouseEvent); | |
| 117 } | |
| 118 break; | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus); | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 nsButtonBoxFrame::DoMouseClick(WidgetGUIEvent* aEvent, bool aTrustEvent) | |
| 127 { | |
| 128 // Don't execute if we're disabled. | |
| 129 if (mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::disabled, | |
| 130 nsGkAtoms::_true, eCaseMatters)) | |
| 131 return; | |
| 132 | |
| 133 // Execute the oncommand event handler. | |
| 134 bool isShift = false; | |
| 135 bool isControl = false; | |
| 136 bool isAlt = false; | |
| 137 bool isMeta = false; | |
| 138 if(aEvent) { | |
| 139 WidgetInputEvent* inputEvent = aEvent->AsInputEvent(); | |
| 140 isShift = inputEvent->IsShift(); | |
| 141 isControl = inputEvent->IsControl(); | |
| 142 isAlt = inputEvent->IsAlt(); | |
| 143 isMeta = inputEvent->IsMeta(); | |
| 144 } | |
| 145 | |
| 146 // Have the content handle the event, propagating it according to normal DOM rules. | |
| 147 nsCOMPtr<nsIPresShell> shell = PresContext()->GetPresShell(); | |
| 148 if (shell) { | |
| 149 nsContentUtils::DispatchXULCommand(mContent, | |
| 150 aEvent ? | |
| 151 aEvent->mFlags.mIsTrusted : aTrustEvent, | |
| 152 nullptr, shell, | |
| 153 isControl, isAlt, isShift, isMeta); | |
| 154 } | |
| 155 } |
