mirror of
https://github.com/mozilla-firefox/firefox
synced 2026-08-10 11:48:50 +00:00
Stephen A Pohl
9e88ac7a15
When a tab is dragged out of a window that is in native macOS fullscreen, the front-end opens a new top-level browser window. Because a fullscreen space is active, macOS adopts the new window into its own fullscreen space during its initial show, which goes through a synchronous XPC transition to the Dock. On recent macOS versions that transition can deadlock the main thread, leaving Firefox unresponsive until it is force quit. This plumbs a one-shot CHROME_SUPPRESS_INITIAL_FULLSCREEN flag from the tab-detach code through to the Cocoa widget. When set, Show() temporarily marks the window as not supporting native fullscreen for its initial display, the same mechanism already used for popups, alerts, and always-on-top windows, and restores it right after. The window can still be taken into fullscreen afterwards via the green button. Differential Revision: https://phabricator.services.mozilla.com/D310696
115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
/* 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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#ifndef mozilla_widget_InitData_h_
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#define mozilla_widget_InitData_h_
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#include <cstdint>
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#include "X11UndefineNone.h"
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#include "mozilla/TypedEnumBits.h"
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namespace mozilla::widget {
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// Window types
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enum class WindowType : uint8_t {
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TopLevel, // default top level window
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Dialog, // top level window but usually handled differently by the OS
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Popup, // used for combo boxes, etc
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Invisible, // a special hidden window (not to be created by arbitrary code)
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};
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// Popup types for WindowType::Popup
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enum class PopupType : uint8_t {
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Panel,
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Menu,
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Tooltip,
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Any, // used only to pass to nsXULPopupManager::GetTopPopup
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};
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// Popup levels specify the window ordering behaviour.
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enum class PopupLevel : uint8_t {
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// The popup appears just above its parent and maintains its position
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// relative to the parent.
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Parent,
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// The popup appears on top of other windows, including those of other
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// applications.
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Top,
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};
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// Border styles
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enum class BorderStyle : int16_t {
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None = 0, // no border, titlebar, etc.. opposite of all
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All = 1 << 0, // all window decorations
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Border = 1 << 1, // enables the border on the window. these
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// are only for decoration and are not
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// resize handles
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ResizeH = 1 << 2, // enables the resize handles for the
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// window. if this is set, border is
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// implied to also be set
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Title = 1 << 3, // enables the titlebar for the window
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Menu = 1 << 4, // enables the window menu button on the
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// title bar. this being on should force
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// the title bar to display
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Minimize = 1 << 5, // enables the minimize button so the user
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// can minimize the window. turned off for
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// tranient windows since they can not be
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// minimized separate from their parent
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Maximize = 1 << 6, // enables the maxmize button so the user
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// can maximize the window
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Close = 1 << 7, // show the close button
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Default = -1 // whatever the OS wants... i.e. don't do anything
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};
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MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(BorderStyle)
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enum class TransparencyMode : uint8_t {
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Opaque = 0, // Fully opaque
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Transparent, // Parts of the window may be transparent
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// If you add to the end here, you must update the serialization code in
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// WidgetMessageUtils.h
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};
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// There are different types of Picture-in-Picture windows on the web
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enum class PiPType : uint8_t {
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NoPiP,
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// https://w3c.github.io/picture-in-picture
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MediaPiP,
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// https://wicg.github.io/document-picture-in-picture
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DocumentPiP
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};
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// Basic struct for widget initialization data.
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// @see Create member function of nsIWidget
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struct InitData {
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WindowType mWindowType = WindowType::TopLevel;
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BorderStyle mBorderStyle = BorderStyle::Default;
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PopupType mPopupHint = PopupType::Panel;
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PopupLevel mPopupLevel = PopupLevel::Top;
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TransparencyMode mTransparencyMode = TransparencyMode::Opaque;
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// when painting exclude area occupied by child windows and sibling windows
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bool mClipChildren = false;
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bool mClipSiblings = false;
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bool mRTL = false;
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bool mIsDragPopup = false; // true for drag feedback panels
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// true if window creation animation is suppressed, e.g. for session restore
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bool mIsAnimationSuppressed = false;
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// true if the window should not auto-enter native fullscreen on its initial
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// show, e.g. a window created by detaching a tab from a fullscreen window
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bool mIsInitialFullscreenSuppressed = false;
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// true if the window should support an alpha channel, if available.
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bool mHasRemoteContent = false;
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bool mAlwaysOnTop = false;
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PiPType mPiPType = PiPType::NoPiP;
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// True if the window is user-resizable.
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bool mResizable = false;
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bool mIsPrivate = false;
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// True if the window is an alert / notification.
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bool mIsAlert = false;
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};
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} // namespace mozilla::widget
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#endif // mozilla_widget_InitData
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