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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/xul/nsTitleBarFrame.cpp
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--layout/xul/nsTitleBarFrame.cpp166
1 files changed, 166 insertions, 0 deletions
diff --git a/layout/xul/nsTitleBarFrame.cpp b/layout/xul/nsTitleBarFrame.cpp
new file mode 100644
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--- /dev/null
+++ b/layout/xul/nsTitleBarFrame.cpp
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+/* -*- 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 "nsTitleBarFrame.h"
+#include "nsIContent.h"
+#include "mozilla/dom/Document.h"
+#include "nsGkAtoms.h"
+#include "nsIWidget.h"
+#include "nsMenuPopupFrame.h"
+#include "nsPresContext.h"
+#include "nsIDocShell.h"
+#include "nsPIDOMWindow.h"
+#include "nsDisplayList.h"
+#include "nsContentUtils.h"
+#include "mozilla/MouseEvents.h"
+#include "mozilla/PresShell.h"
+#include "mozilla/dom/MouseEventBinding.h"
+
+using namespace mozilla;
+
+//
+// NS_NewTitleBarFrame
+//
+// Creates a new TitleBar frame and returns it
+//
+nsIFrame* NS_NewTitleBarFrame(PresShell* aPresShell, ComputedStyle* aStyle) {
+ return new (aPresShell) nsTitleBarFrame(aStyle, aPresShell->GetPresContext());
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsTitleBarFrame)
+
+nsTitleBarFrame::nsTitleBarFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext, ClassID aID)
+ : nsBoxFrame(aStyle, aPresContext, aID, false) {
+ mTrackingMouseMove = false;
+}
+
+void nsTitleBarFrame::BuildDisplayListForChildren(
+ nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) {
+ // override, since we don't want children to get events
+ if (aBuilder->IsForEventDelivery()) {
+ if (!mContent->AsElement()->AttrValueIs(kNameSpaceID_None,
+ nsGkAtoms::allowevents,
+ nsGkAtoms::_true, eCaseMatters))
+ return;
+ }
+ nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
+}
+
+nsresult nsTitleBarFrame::HandleEvent(nsPresContext* aPresContext,
+ WidgetGUIEvent* aEvent,
+ nsEventStatus* aEventStatus) {
+ NS_ENSURE_ARG_POINTER(aEventStatus);
+ if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
+ return NS_OK;
+ }
+
+ bool doDefault = true;
+
+ switch (aEvent->mMessage) {
+ case eMouseDown: {
+ if (aEvent->AsMouseEvent()->mButton == MouseButton::ePrimary) {
+ // titlebar has no effect in non-chrome shells
+ if (aPresContext->IsChrome()) {
+ // we're tracking.
+ mTrackingMouseMove = true;
+
+ // start capture.
+ PresShell::SetCapturingContent(GetContent(),
+ CaptureFlags::IgnoreAllowedState);
+
+ // remember current mouse coordinates.
+ mLastPoint = aEvent->mRefPoint;
+ }
+
+ *aEventStatus = nsEventStatus_eConsumeNoDefault;
+ doDefault = false;
+ }
+ } break;
+
+ case eMouseUp: {
+ if (mTrackingMouseMove &&
+ aEvent->AsMouseEvent()->mButton == MouseButton::ePrimary) {
+ // we're done tracking.
+ mTrackingMouseMove = false;
+
+ // end capture
+ PresShell::ReleaseCapturingContent();
+
+ *aEventStatus = nsEventStatus_eConsumeNoDefault;
+ doDefault = false;
+ }
+ } break;
+
+ case eMouseMove: {
+ if (mTrackingMouseMove) {
+ LayoutDeviceIntPoint nsMoveBy = aEvent->mRefPoint - mLastPoint;
+
+ nsIFrame* parent = GetParent();
+ while (parent) {
+ nsMenuPopupFrame* popupFrame = do_QueryFrame(parent);
+ if (popupFrame) break;
+ parent = parent->GetParent();
+ }
+
+ // if the titlebar is in a popup, move the popup frame, otherwise
+ // move the widget associated with the window
+ if (parent) {
+ nsMenuPopupFrame* menuPopupFrame =
+ static_cast<nsMenuPopupFrame*>(parent);
+ nsCOMPtr<nsIWidget> widget = menuPopupFrame->GetWidget();
+ LayoutDeviceIntRect bounds = widget->GetScreenBounds();
+
+ CSSPoint cssPos = (bounds.TopLeft() + nsMoveBy) /
+ aPresContext->CSSToDevPixelScale();
+ menuPopupFrame->MoveTo(RoundedToInt(cssPos), false);
+ } else {
+ mozilla::PresShell* presShell = aPresContext->PresShell();
+ nsPIDOMWindowOuter* window = presShell->GetDocument()->GetWindow();
+ if (window) {
+ window->MoveBy(nsMoveBy.x, nsMoveBy.y);
+ }
+ }
+
+ *aEventStatus = nsEventStatus_eConsumeNoDefault;
+
+ doDefault = false;
+ }
+ } break;
+
+ case eMouseClick: {
+ WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent();
+ if (mouseEvent->IsLeftClickEvent()
+#ifdef XP_MACOSX
+ // On Mac, ctrl-click will send a context menu event from the widget,
+ // so we don't want to dispatch widget command if it is redispatched
+ // from the mouse event with ctrl key is pressed.
+ && !mouseEvent->IsControl()
+#endif
+ ) {
+ MouseClicked(mouseEvent);
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ if (doDefault)
+ return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
+ else
+ return NS_OK;
+}
+
+void nsTitleBarFrame::MouseClicked(WidgetMouseEvent* aEvent) {
+ // Execute the oncommand event handler.
+ nsCOMPtr<nsIContent> content = mContent;
+ nsContentUtils::DispatchXULCommand(
+ content, false, nullptr, nullptr, aEvent->IsControl(), aEvent->IsAlt(),
+ aEvent->IsShift(), aEvent->IsMeta(), aEvent->mInputSource);
+}