The Tor Browser / file comparison
comparison: layout/xul/nsTitleBarFrame.cpp
layout/xul/nsTitleBarFrame.cpp
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
equal
deleted
inserted
replaced
| -1:000000000000 | 0:fdf93a5eefc9 |
|---|---|
| 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 | |
| 6 #include "nsCOMPtr.h" | |
| 7 #include "nsTitleBarFrame.h" | |
| 8 #include "nsIContent.h" | |
| 9 #include "nsIDocument.h" | |
| 10 #include "nsIDOMNodeList.h" | |
| 11 #include "nsGkAtoms.h" | |
| 12 #include "nsIWidget.h" | |
| 13 #include "nsMenuPopupFrame.h" | |
| 14 #include "nsPresContext.h" | |
| 15 #include "nsIDocShell.h" | |
| 16 #include "nsPIDOMWindow.h" | |
| 17 #include "nsDisplayList.h" | |
| 18 #include "nsContentUtils.h" | |
| 19 #include "mozilla/MouseEvents.h" | |
| 20 | |
| 21 using namespace mozilla; | |
| 22 | |
| 23 // | |
| 24 // NS_NewTitleBarFrame | |
| 25 // | |
| 26 // Creates a new TitleBar frame and returns it | |
| 27 // | |
| 28 nsIFrame* | |
| 29 NS_NewTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 30 { | |
| 31 return new (aPresShell) nsTitleBarFrame(aPresShell, aContext); | |
| 32 } | |
| 33 | |
| 34 NS_IMPL_FRAMEARENA_HELPERS(nsTitleBarFrame) | |
| 35 | |
| 36 nsTitleBarFrame::nsTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 37 :nsBoxFrame(aPresShell, aContext, false) | |
| 38 { | |
| 39 mTrackingMouseMove = false; | |
| 40 UpdateMouseThrough(); | |
| 41 } | |
| 42 | |
| 43 void | |
| 44 nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder, | |
| 45 const nsRect& aDirtyRect, | |
| 46 const nsDisplayListSet& aLists) | |
| 47 { | |
| 48 // override, since we don't want children to get events | |
| 49 if (aBuilder->IsForEventDelivery()) { | |
| 50 if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents, | |
| 51 nsGkAtoms::_true, eCaseMatters)) | |
| 52 return; | |
| 53 } | |
| 54 nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists); | |
| 55 } | |
| 56 | |
| 57 nsresult | |
| 58 nsTitleBarFrame::HandleEvent(nsPresContext* aPresContext, | |
| 59 WidgetGUIEvent* aEvent, | |
| 60 nsEventStatus* aEventStatus) | |
| 61 { | |
| 62 NS_ENSURE_ARG_POINTER(aEventStatus); | |
| 63 if (nsEventStatus_eConsumeNoDefault == *aEventStatus) { | |
| 64 return NS_OK; | |
| 65 } | |
| 66 | |
| 67 bool doDefault = true; | |
| 68 | |
| 69 switch (aEvent->message) { | |
| 70 | |
| 71 case NS_MOUSE_BUTTON_DOWN: { | |
| 72 if (aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) { | |
| 73 // titlebar has no effect in non-chrome shells | |
| 74 nsCOMPtr<nsIDocShellTreeItem> dsti = aPresContext->GetDocShell(); | |
| 75 if (dsti) { | |
| 76 if (dsti->ItemType() == nsIDocShellTreeItem::typeChrome) { | |
| 77 // we're tracking. | |
| 78 mTrackingMouseMove = true; | |
| 79 | |
| 80 // start capture. | |
| 81 nsIPresShell::SetCapturingContent(GetContent(), CAPTURE_IGNOREALLOWED); | |
| 82 | |
| 83 // remember current mouse coordinates. | |
| 84 mLastPoint = LayoutDeviceIntPoint::ToUntyped(aEvent->refPoint); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 *aEventStatus = nsEventStatus_eConsumeNoDefault; | |
| 89 doDefault = false; | |
| 90 } | |
| 91 } | |
| 92 break; | |
| 93 | |
| 94 | |
| 95 case NS_MOUSE_BUTTON_UP: { | |
| 96 if (mTrackingMouseMove && | |
| 97 aEvent->AsMouseEvent()->button == WidgetMouseEvent::eLeftButton) { | |
| 98 // we're done tracking. | |
| 99 mTrackingMouseMove = false; | |
| 100 | |
| 101 // end capture | |
| 102 nsIPresShell::SetCapturingContent(nullptr, 0); | |
| 103 | |
| 104 *aEventStatus = nsEventStatus_eConsumeNoDefault; | |
| 105 doDefault = false; | |
| 106 } | |
| 107 } | |
| 108 break; | |
| 109 | |
| 110 case NS_MOUSE_MOVE: { | |
| 111 if(mTrackingMouseMove) | |
| 112 { | |
| 113 nsIntPoint nsMoveBy = LayoutDeviceIntPoint::ToUntyped(aEvent->refPoint) - mLastPoint; | |
| 114 | |
| 115 nsIFrame* parent = GetParent(); | |
| 116 while (parent) { | |
| 117 nsMenuPopupFrame* popupFrame = do_QueryFrame(parent); | |
| 118 if (popupFrame) | |
| 119 break; | |
| 120 parent = parent->GetParent(); | |
| 121 } | |
| 122 | |
| 123 // if the titlebar is in a popup, move the popup frame, otherwise | |
| 124 // move the widget associated with the window | |
| 125 if (parent) { | |
| 126 nsMenuPopupFrame* menuPopupFrame = static_cast<nsMenuPopupFrame*>(parent); | |
| 127 nsCOMPtr<nsIWidget> widget = menuPopupFrame->GetWidget(); | |
| 128 nsIntRect bounds; | |
| 129 widget->GetScreenBounds(bounds); | |
| 130 | |
| 131 int32_t newx = aPresContext->DevPixelsToIntCSSPixels(bounds.x + nsMoveBy.x); | |
| 132 int32_t newy = aPresContext->DevPixelsToIntCSSPixels(bounds.y + nsMoveBy.y); | |
| 133 menuPopupFrame->MoveTo(newx, newy, false); | |
| 134 } | |
| 135 else { | |
| 136 nsIPresShell* presShell = aPresContext->PresShell(); | |
| 137 nsPIDOMWindow *window = presShell->GetDocument()->GetWindow(); | |
| 138 if (window) { | |
| 139 window->MoveBy(nsMoveBy.x, nsMoveBy.y); | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 *aEventStatus = nsEventStatus_eConsumeNoDefault; | |
| 144 | |
| 145 doDefault = false; | |
| 146 } | |
| 147 } | |
| 148 break; | |
| 149 | |
| 150 case NS_MOUSE_CLICK: { | |
| 151 WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent(); | |
| 152 if (mouseEvent->IsLeftClickEvent()) { | |
| 153 MouseClicked(aPresContext, mouseEvent); | |
| 154 } | |
| 155 break; | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 if ( doDefault ) | |
| 160 return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus); | |
| 161 else | |
| 162 return NS_OK; | |
| 163 } | |
| 164 | |
| 165 void | |
| 166 nsTitleBarFrame::MouseClicked(nsPresContext* aPresContext, | |
| 167 WidgetMouseEvent* aEvent) | |
| 168 { | |
| 169 // Execute the oncommand event handler. | |
| 170 nsContentUtils::DispatchXULCommand(mContent, | |
| 171 aEvent && aEvent->mFlags.mIsTrusted); | |
| 172 } |
