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0e2cb6d4e8
When GDK_BACKEND is wayland, widget is not fully mapped during creating CompositorSession. Needs to create valid EGLSurface after widget is fully mapped. Differential Revision: https://phabricator.services.mozilla.com/D18940
107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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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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#ifndef __MOZ_CONTAINER_H__
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#define __MOZ_CONTAINER_H__
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#include <gtk/gtk.h>
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/*
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* MozContainer
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*
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* This class serves three purposes in the nsIWidget implementation.
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*
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* - It provides objects to receive signals from GTK for events on native
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* windows.
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*
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* - It provides GdkWindow to draw content on Wayland or when Gtk+ renders
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* client side decorations to mShell.
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*
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* - It provides a container parent for GtkWidgets. The only GtkWidgets
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* that need this in Mozilla are the GtkSockets for windowed plugins (Xt
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* and XEmbed).
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*
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* Note that the window hierarchy in Mozilla differs from conventional
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* GtkWidget hierarchies.
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*
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* Mozilla's hierarchy exists through the GdkWindow hierarchy, and all child
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* GdkWindows (within a child nsIWidget hierarchy) belong to one MozContainer
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* GtkWidget. If the MozContainer is unrealized or its GdkWindows are
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* destroyed for some other reason, then the hierarchy no longer exists. (In
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* conventional GTK clients, the hierarchy is recorded by the GtkWidgets, and
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* so can be re-established after destruction of the GdkWindows.)
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*
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* One consequence of this is that the MozContainer does not know which of its
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* GdkWindows should parent child GtkWidgets. (Conventional GtkContainers
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* determine which GdkWindow to assign child GtkWidgets.)
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*
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* Therefore, when adding a child GtkWidget to a MozContainer,
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* gtk_widget_set_parent_window should be called on the child GtkWidget before
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* it is realized.
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*/
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#define MOZ_CONTAINER_TYPE (moz_container_get_type())
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#define MOZ_CONTAINER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), MOZ_CONTAINER_TYPE, MozContainer))
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#define MOZ_CONTAINER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), MOZ_CONTAINER_TYPE, MozContainerClass))
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#define IS_MOZ_CONTAINER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), MOZ_CONTAINER_TYPE))
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#define IS_MOZ_CONTAINER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), MOZ_CONTAINER_TYPE))
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#define MOZ_CONTAINER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), MOZ_CONTAINER_TYPE, MozContainerClass))
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typedef struct _MozContainer MozContainer;
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typedef struct _MozContainerClass MozContainerClass;
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/* Workaround for bug at wayland-util.h,
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* present in wayland-devel < 1.12
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*/
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#ifdef MOZ_WAYLAND
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struct wl_surface;
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struct wl_subsurface;
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#endif
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struct _MozContainer {
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GtkContainer container;
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GList *children;
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#ifdef MOZ_WAYLAND
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struct wl_surface *surface;
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struct wl_subsurface *subsurface;
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struct wl_egl_window *eglwindow;
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struct wl_callback *frame_callback_handler;
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gboolean surface_needs_clear;
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gboolean egl_surface_needs_update;
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gboolean ready_to_draw;
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#endif
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gboolean force_default_visual;
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};
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struct _MozContainerClass {
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GtkContainerClass parent_class;
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};
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GType moz_container_get_type(void);
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GtkWidget *moz_container_new(void);
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void moz_container_put(MozContainer *container, GtkWidget *child_widget, gint x,
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gint y);
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void moz_container_force_default_visual(MozContainer *container);
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#ifdef MOZ_WAYLAND
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struct wl_surface *moz_container_get_wl_surface(MozContainer *container);
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struct wl_egl_window *moz_container_get_wl_egl_window(MozContainer *container);
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gboolean moz_container_has_wl_egl_window(MozContainer *container);
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gboolean moz_container_surface_needs_clear(MozContainer *container);
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void moz_container_scale_changed(MozContainer *container,
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GtkAllocation *aAllocation);
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gboolean moz_container_egl_surface_needs_update(MozContainer *container);
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#endif
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#endif /* __MOZ_CONTAINER_H__ */
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