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WebKitWebViewBase.cpp
1508 lines (1260 loc) · 59.3 KB
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WebKitWebViewBase.cpp
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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
* Copyright (C) 2011 Igalia S.L.
* Copyright (C) 2013 Gustavo Noronha Silva <gns@gnome.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebKitWebViewBase.h"
#include "APIPageConfiguration.h"
#include "AcceleratedBackingStore.h"
#include "ActivityState.h"
#include "DrawingAreaProxyImpl.h"
#include "InputMethodFilter.h"
#include "KeyBindingTranslator.h"
#include "NativeWebKeyboardEvent.h"
#include "NativeWebMouseEvent.h"
#include "NativeWebWheelEvent.h"
#include "PageClientImpl.h"
#include "WebEventFactory.h"
#include "WebInspectorProxy.h"
#include "WebKit2Initialize.h"
#include "WebKitAuthenticationDialog.h"
#include "WebKitWebViewBaseAccessible.h"
#include "WebKitWebViewBasePrivate.h"
#include "WebPageGroup.h"
#include "WebPageProxy.h"
#include "WebPreferences.h"
#include "WebProcessPool.h"
#include "WebUserContentControllerProxy.h"
#include <WebCore/CairoUtilities.h>
#include <WebCore/GUniquePtrGtk.h>
#include <WebCore/GtkUtilities.h>
#include <WebCore/GtkVersioning.h>
#include <WebCore/NotImplemented.h>
#include <WebCore/PasteboardHelper.h>
#include <WebCore/PlatformDisplay.h>
#include <WebCore/RefPtrCairo.h>
#include <WebCore/Region.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n-lib.h>
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/glib/GRefPtr.h>
#include <wtf/glib/WTFGType.h>
#include <wtf/text/CString.h>
#if ENABLE(FULLSCREEN_API)
#include "WebFullScreenManagerProxy.h"
#endif
#if PLATFORM(X11)
#include <gdk/gdkx.h>
#endif
// gtk_widget_get_scale_factor() appeared in GTK 3.10, but we also need
// to make sure we have cairo new enough to support cairo_surface_set_device_scale
#define HAVE_GTK_SCALE_FACTOR HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE && GTK_CHECK_VERSION(3, 10, 0)
using namespace WebKit;
using namespace WebCore;
struct ClickCounter {
public:
void reset()
{
currentClickCount = 0;
previousClickPoint = IntPoint();
previousClickTime = 0;
previousClickButton = 0;
}
int currentClickCountForGdkButtonEvent(GdkEventButton* buttonEvent)
{
GdkEvent* event = reinterpret_cast<GdkEvent*>(buttonEvent);
int doubleClickDistance = 250;
int doubleClickTime = 5;
g_object_get(gtk_settings_get_for_screen(gdk_event_get_screen(event)),
"gtk-double-click-distance", &doubleClickDistance, "gtk-double-click-time", &doubleClickTime, nullptr);
// GTK+ only counts up to triple clicks, but WebCore wants to know about
// quadruple clicks, quintuple clicks, ad infinitum. Here, we replicate the
// GDK logic for counting clicks.
guint32 eventTime = gdk_event_get_time(event);
if (!eventTime) {
// Real events always have a non-zero time, but events synthesized
// by the WTR do not and we must calculate a time manually. This time
// is not calculated in the WTR, because GTK+ does not work well with
// anything other than GDK_CURRENT_TIME on synthesized events.
GTimeVal timeValue;
g_get_current_time(&timeValue);
eventTime = (timeValue.tv_sec * 1000) + (timeValue.tv_usec / 1000);
}
if ((event->type == GDK_2BUTTON_PRESS || event->type == GDK_3BUTTON_PRESS)
|| ((std::abs(buttonEvent->x - previousClickPoint.x()) < doubleClickDistance)
&& (std::abs(buttonEvent->y - previousClickPoint.y()) < doubleClickDistance)
&& (eventTime - previousClickTime < static_cast<unsigned>(doubleClickTime))
&& (buttonEvent->button == previousClickButton)))
currentClickCount++;
else
currentClickCount = 1;
double x, y;
gdk_event_get_coords(event, &x, &y);
previousClickPoint = IntPoint(x, y);
previousClickButton = buttonEvent->button;
previousClickTime = eventTime;
return currentClickCount;
}
private:
int currentClickCount;
IntPoint previousClickPoint;
unsigned previousClickButton;
int previousClickTime;
};
typedef HashMap<GtkWidget*, IntRect> WebKitWebViewChildrenMap;
typedef HashMap<uint32_t, GUniquePtr<GdkEvent>> TouchEventsMap;
struct _WebKitWebViewBasePrivate {
_WebKitWebViewBasePrivate()
: updateActivityStateTimer(RunLoop::main(), this, &_WebKitWebViewBasePrivate::updateActivityStateTimerFired)
{
}
void updateActivityStateTimerFired()
{
if (!pageProxy)
return;
pageProxy->activityStateDidChange(activityStateFlagsToUpdate);
activityStateFlagsToUpdate = ActivityState::NoFlags;
}
WebKitWebViewChildrenMap children;
std::unique_ptr<PageClientImpl> pageClient;
RefPtr<WebPageProxy> pageProxy;
bool shouldForwardNextKeyEvent { false };
bool shouldForwardNextWheelEvent { false };
ClickCounter clickCounter;
CString tooltipText;
IntRect tooltipArea;
GRefPtr<AtkObject> accessible;
GtkWidget* authenticationDialog { nullptr };
GtkWidget* inspectorView { nullptr };
AttachmentSide inspectorAttachmentSide { AttachmentSide::Bottom };
unsigned inspectorViewSize { 0 };
GUniquePtr<GdkEvent> contextMenuEvent;
WebContextMenuProxyGtk* activeContextMenuProxy { nullptr };
InputMethodFilter inputMethodFilter;
KeyBindingTranslator keyBindingTranslator;
TouchEventsMap touchEvents;
IntSize contentsSize;
GtkWindow* toplevelOnScreenWindow { nullptr };
unsigned long toplevelFocusInEventID { 0 };
unsigned long toplevelFocusOutEventID { 0 };
unsigned long toplevelWindowStateEventID { 0 };
unsigned long toplevelWindowRealizedID { 0 };
// View State.
ActivityState::Flags activityState { 0 };
ActivityState::Flags activityStateFlagsToUpdate { 0 };
RunLoop::Timer<WebKitWebViewBasePrivate> updateActivityStateTimer;
#if ENABLE(FULLSCREEN_API)
bool fullScreenModeActive { false };
GRefPtr<GDBusProxy> screenSaverProxy;
GRefPtr<GCancellable> screenSaverInhibitCancellable;
unsigned screenSaverCookie { 0 };
#endif
std::unique_ptr<AcceleratedBackingStore> acceleratedBackingStore;
#if ENABLE(DRAG_SUPPORT)
std::unique_ptr<DragAndDropHandler> dragAndDropHandler;
#endif
#if HAVE(GTK_GESTURES)
std::unique_ptr<GestureController> gestureController;
#endif
};
WEBKIT_DEFINE_TYPE(WebKitWebViewBase, webkit_web_view_base, GTK_TYPE_CONTAINER)
static void webkitWebViewBaseScheduleUpdateActivityState(WebKitWebViewBase* webViewBase, ActivityState::Flags flagsToUpdate)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
priv->activityStateFlagsToUpdate |= flagsToUpdate;
if (priv->updateActivityStateTimer.isActive())
return;
priv->updateActivityStateTimer.startOneShot(0_s);
}
static gboolean toplevelWindowFocusInEvent(GtkWidget* widget, GdkEventFocus*, WebKitWebViewBase* webViewBase)
{
// Spurious focus in events can occur when the window is hidden.
if (!gtk_widget_get_visible(widget))
return FALSE;
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->activityState & ActivityState::WindowIsActive)
return FALSE;
priv->activityState |= ActivityState::WindowIsActive;
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, ActivityState::WindowIsActive);
return FALSE;
}
static gboolean toplevelWindowFocusOutEvent(GtkWidget*, GdkEventFocus*, WebKitWebViewBase* webViewBase)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (!(priv->activityState & ActivityState::WindowIsActive))
return FALSE;
priv->activityState &= ~ActivityState::WindowIsActive;
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, ActivityState::WindowIsActive);
return FALSE;
}
static gboolean toplevelWindowStateEvent(GtkWidget*, GdkEventWindowState* event, WebKitWebViewBase* webViewBase)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (!(event->changed_mask & GDK_WINDOW_STATE_ICONIFIED))
return FALSE;
bool visible = !(event->new_window_state & GDK_WINDOW_STATE_ICONIFIED);
if ((visible && priv->activityState & ActivityState::IsVisible) || (!visible && !(priv->activityState & ActivityState::IsVisible)))
return FALSE;
if (visible)
priv->activityState |= ActivityState::IsVisible;
else
priv->activityState &= ~ActivityState::IsVisible;
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, ActivityState::IsVisible);
return FALSE;
}
static void toplevelWindowRealized(WebKitWebViewBase* webViewBase)
{
gtk_widget_realize(GTK_WIDGET(webViewBase));
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->toplevelWindowRealizedID) {
g_signal_handler_disconnect(priv->toplevelOnScreenWindow, priv->toplevelWindowRealizedID);
priv->toplevelWindowRealizedID = 0;
}
}
static void webkitWebViewBaseSetToplevelOnScreenWindow(WebKitWebViewBase* webViewBase, GtkWindow* window)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->toplevelOnScreenWindow == window)
return;
if (priv->toplevelFocusInEventID) {
g_signal_handler_disconnect(priv->toplevelOnScreenWindow, priv->toplevelFocusInEventID);
priv->toplevelFocusInEventID = 0;
}
if (priv->toplevelFocusOutEventID) {
g_signal_handler_disconnect(priv->toplevelOnScreenWindow, priv->toplevelFocusOutEventID);
priv->toplevelFocusOutEventID = 0;
}
if (priv->toplevelWindowStateEventID) {
g_signal_handler_disconnect(priv->toplevelOnScreenWindow, priv->toplevelWindowStateEventID);
priv->toplevelWindowStateEventID = 0;
}
if (priv->toplevelWindowRealizedID) {
g_signal_handler_disconnect(priv->toplevelOnScreenWindow, priv->toplevelWindowRealizedID);
priv->toplevelWindowRealizedID = 0;
}
priv->toplevelOnScreenWindow = window;
if (!priv->toplevelOnScreenWindow) {
ActivityState::Flags flagsToUpdate = 0;
if (priv->activityState & ActivityState::IsInWindow) {
priv->activityState &= ~ActivityState::IsInWindow;
flagsToUpdate |= ActivityState::IsInWindow;
}
if (priv->activityState & ActivityState::WindowIsActive) {
priv->activityState &= ~ActivityState::WindowIsActive;
flagsToUpdate |= ActivityState::IsInWindow;
}
if (flagsToUpdate)
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, flagsToUpdate);
return;
}
priv->toplevelFocusInEventID =
g_signal_connect(priv->toplevelOnScreenWindow, "focus-in-event",
G_CALLBACK(toplevelWindowFocusInEvent), webViewBase);
priv->toplevelFocusOutEventID =
g_signal_connect(priv->toplevelOnScreenWindow, "focus-out-event",
G_CALLBACK(toplevelWindowFocusOutEvent), webViewBase);
priv->toplevelWindowStateEventID =
g_signal_connect(priv->toplevelOnScreenWindow, "window-state-event", G_CALLBACK(toplevelWindowStateEvent), webViewBase);
if (gtk_widget_get_realized(GTK_WIDGET(window)))
gtk_widget_realize(GTK_WIDGET(webViewBase));
else
priv->toplevelWindowRealizedID = g_signal_connect_swapped(window, "realize", G_CALLBACK(toplevelWindowRealized), webViewBase);
}
static void webkitWebViewBaseRealize(GtkWidget* widget)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webView->priv;
gtk_widget_set_realized(widget, TRUE);
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
GdkWindowAttr attributes;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual(widget);
attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK
| GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_SCROLL_MASK
| GDK_SMOOTH_SCROLL_MASK
| GDK_POINTER_MOTION_MASK
| GDK_ENTER_NOTIFY_MASK
| GDK_LEAVE_NOTIFY_MASK
| GDK_KEY_PRESS_MASK
| GDK_KEY_RELEASE_MASK
| GDK_BUTTON_MOTION_MASK
| GDK_BUTTON1_MOTION_MASK
| GDK_BUTTON2_MOTION_MASK
| GDK_BUTTON3_MOTION_MASK
| GDK_TOUCH_MASK;
gint attributesMask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
GdkWindow* window = gdk_window_new(gtk_widget_get_parent_window(widget), &attributes, attributesMask);
gtk_widget_set_window(widget, window);
gdk_window_set_user_data(window, widget);
#if USE(TEXTURE_MAPPER_GL) && PLATFORM(X11) && !USE(REDIRECTED_XCOMPOSITE_WINDOW)
if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::X11) {
if (DrawingAreaProxyImpl* drawingArea = static_cast<DrawingAreaProxyImpl*>(priv->pageProxy->drawingArea()))
drawingArea->setNativeSurfaceHandleForCompositing(GDK_WINDOW_XID(window));
}
#endif
gtk_style_context_set_background(gtk_widget_get_style_context(widget), window);
gtk_im_context_set_client_window(priv->inputMethodFilter.context(), window);
}
static void webkitWebViewBaseUnrealize(GtkWidget* widget)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(widget);
#if USE(TEXTURE_MAPPER_GL) && PLATFORM(X11) && !USE(REDIRECTED_XCOMPOSITE_WINDOW)
if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::X11) {
if (DrawingAreaProxyImpl* drawingArea = static_cast<DrawingAreaProxyImpl*>(webView->priv->pageProxy->drawingArea()))
drawingArea->destroyNativeSurfaceHandleForCompositing();
}
#endif
gtk_im_context_set_client_window(webView->priv->inputMethodFilter.context(), nullptr);
GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->unrealize(widget);
}
static bool webkitWebViewChildIsInternalWidget(WebKitWebViewBase* webViewBase, GtkWidget* widget)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
return widget == priv->inspectorView || widget == priv->authenticationDialog;
}
static void webkitWebViewBaseContainerAdd(GtkContainer* container, GtkWidget* widget)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(container);
WebKitWebViewBasePrivate* priv = webView->priv;
// Internal widgets like the web inspector and authentication dialog have custom
// allocations so we don't need to add them to our list of children.
if (!webkitWebViewChildIsInternalWidget(webView, widget)) {
GtkAllocation childAllocation;
gtk_widget_get_allocation(widget, &childAllocation);
priv->children.set(widget, childAllocation);
}
gtk_widget_set_parent(widget, GTK_WIDGET(container));
}
void webkitWebViewBaseAddAuthenticationDialog(WebKitWebViewBase* webViewBase, GtkWidget* dialog)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
priv->authenticationDialog = dialog;
gtk_container_add(GTK_CONTAINER(webViewBase), dialog);
gtk_widget_show(dialog);
// We need to draw the shadow over the widget.
gtk_widget_queue_draw(GTK_WIDGET(webViewBase));
}
void webkitWebViewBaseAddWebInspector(WebKitWebViewBase* webViewBase, GtkWidget* inspector, AttachmentSide attachmentSide)
{
if (webViewBase->priv->inspectorView == inspector && webViewBase->priv->inspectorAttachmentSide == attachmentSide)
return;
webViewBase->priv->inspectorAttachmentSide = attachmentSide;
if (webViewBase->priv->inspectorView == inspector) {
gtk_widget_queue_resize(GTK_WIDGET(webViewBase));
return;
}
webViewBase->priv->inspectorView = inspector;
gtk_container_add(GTK_CONTAINER(webViewBase), inspector);
}
static void webkitWebViewBaseContainerRemove(GtkContainer* container, GtkWidget* widget)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(container);
WebKitWebViewBasePrivate* priv = webView->priv;
GtkWidget* widgetContainer = GTK_WIDGET(container);
gboolean wasVisible = gtk_widget_get_visible(widget);
gtk_widget_unparent(widget);
if (priv->inspectorView == widget) {
priv->inspectorView = 0;
priv->inspectorViewSize = 0;
} else if (priv->authenticationDialog == widget) {
priv->authenticationDialog = 0;
} else {
ASSERT(priv->children.contains(widget));
priv->children.remove(widget);
}
if (wasVisible && gtk_widget_get_visible(widgetContainer))
gtk_widget_queue_resize(widgetContainer);
}
static void webkitWebViewBaseContainerForall(GtkContainer* container, gboolean includeInternals, GtkCallback callback, gpointer callbackData)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(container);
WebKitWebViewBasePrivate* priv = webView->priv;
Vector<GtkWidget*> children;
copyKeysToVector(priv->children, children);
for (const auto& child : children) {
if (priv->children.contains(child))
(*callback)(child, callbackData);
}
if (includeInternals && priv->inspectorView)
(*callback)(priv->inspectorView, callbackData);
if (includeInternals && priv->authenticationDialog)
(*callback)(priv->authenticationDialog, callbackData);
}
void webkitWebViewBaseChildMoveResize(WebKitWebViewBase* webView, GtkWidget* child, const IntRect& childRect)
{
const IntRect& geometry = webView->priv->children.get(child);
if (geometry == childRect)
return;
webView->priv->children.set(child, childRect);
gtk_widget_queue_resize_no_redraw(GTK_WIDGET(webView));
}
static void webkitWebViewBaseDispose(GObject* gobject)
{
WebKitWebViewBase* webView = WEBKIT_WEB_VIEW_BASE(gobject);
g_cancellable_cancel(webView->priv->screenSaverInhibitCancellable.get());
webkitWebViewBaseSetToplevelOnScreenWindow(webView, nullptr);
webView->priv->pageProxy->close();
webView->priv->acceleratedBackingStore = nullptr;
G_OBJECT_CLASS(webkit_web_view_base_parent_class)->dispose(gobject);
}
static void webkitWebViewBaseConstructed(GObject* object)
{
G_OBJECT_CLASS(webkit_web_view_base_parent_class)->constructed(object);
GtkWidget* viewWidget = GTK_WIDGET(object);
gtk_widget_set_can_focus(viewWidget, TRUE);
gtk_drag_dest_set(viewWidget, static_cast<GtkDestDefaults>(0), nullptr, 0,
static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK | GDK_ACTION_PRIVATE));
gtk_drag_dest_set_target_list(viewWidget, PasteboardHelper::singleton().targetList());
WebKitWebViewBasePrivate* priv = WEBKIT_WEB_VIEW_BASE(object)->priv;
priv->pageClient = std::make_unique<PageClientImpl>(viewWidget);
priv->authenticationDialog = 0;
}
static gboolean webkitWebViewBaseDraw(GtkWidget* widget, cairo_t* cr)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
DrawingAreaProxyImpl* drawingArea = static_cast<DrawingAreaProxyImpl*>(webViewBase->priv->pageProxy->drawingArea());
if (!drawingArea)
return FALSE;
GdkRectangle clipRect;
if (!gdk_cairo_get_clip_rectangle(cr, &clipRect))
return FALSE;
if (webViewBase->priv->acceleratedBackingStore && drawingArea->isInAcceleratedCompositingMode())
webViewBase->priv->acceleratedBackingStore->paint(cr, clipRect);
else {
WebCore::Region unpaintedRegion; // This is simply unused.
drawingArea->paint(cr, clipRect, unpaintedRegion);
}
GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->draw(widget, cr);
return FALSE;
}
static void webkitWebViewBaseChildAllocate(GtkWidget* child, gpointer userData)
{
if (!gtk_widget_get_visible(child))
return;
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(userData);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
const IntRect& geometry = priv->children.get(child);
if (geometry.isEmpty())
return;
GtkAllocation childAllocation = geometry;
gtk_widget_size_allocate(child, &childAllocation);
priv->children.set(child, IntRect());
}
static void webkitWebViewBaseSizeAllocate(GtkWidget* widget, GtkAllocation* allocation)
{
GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->size_allocate(widget, allocation);
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
gtk_container_foreach(GTK_CONTAINER(webViewBase), webkitWebViewBaseChildAllocate, webViewBase);
IntRect viewRect(allocation->x, allocation->y, allocation->width, allocation->height);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->inspectorView) {
GtkAllocation childAllocation = viewRect;
if (priv->inspectorAttachmentSide == AttachmentSide::Bottom) {
int inspectorViewHeight = std::min(static_cast<int>(priv->inspectorViewSize), allocation->height);
childAllocation.x = 0;
childAllocation.y = allocation->height - inspectorViewHeight;
childAllocation.height = inspectorViewHeight;
viewRect.setHeight(std::max(allocation->height - inspectorViewHeight, 1));
} else {
int inspectorViewWidth = std::min(static_cast<int>(priv->inspectorViewSize), allocation->width);
childAllocation.y = 0;
childAllocation.x = allocation->width - inspectorViewWidth;
childAllocation.width = inspectorViewWidth;
viewRect.setWidth(std::max(allocation->width - inspectorViewWidth, 1));
}
gtk_widget_size_allocate(priv->inspectorView, &childAllocation);
}
// The authentication dialog is centered in the view rect, which means that it
// never overlaps the web inspector. Thus, we need to calculate the allocation here
// after calculating the inspector allocation.
if (priv->authenticationDialog) {
GtkRequisition minimumSize;
gtk_widget_get_preferred_size(priv->authenticationDialog, &minimumSize, nullptr);
GtkAllocation childAllocation = { 0, 0, std::max(minimumSize.width, viewRect.width()), std::max(minimumSize.height, viewRect.height()) };
gtk_widget_size_allocate(priv->authenticationDialog, &childAllocation);
}
if (DrawingAreaProxyImpl* drawingArea = static_cast<DrawingAreaProxyImpl*>(priv->pageProxy->drawingArea()))
drawingArea->setSize(viewRect.size(), IntSize(), IntSize());
}
static void webkitWebViewBaseGetPreferredWidth(GtkWidget* widget, gint* minimumSize, gint* naturalSize)
{
WebKitWebViewBasePrivate* priv = WEBKIT_WEB_VIEW_BASE(widget)->priv;
*minimumSize = 0;
*naturalSize = priv->contentsSize.width();
}
static void webkitWebViewBaseGetPreferredHeight(GtkWidget* widget, gint* minimumSize, gint* naturalSize)
{
WebKitWebViewBasePrivate* priv = WEBKIT_WEB_VIEW_BASE(widget)->priv;
*minimumSize = 0;
*naturalSize = priv->contentsSize.height();
}
static void webkitWebViewBaseMap(GtkWidget* widget)
{
GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->map(widget);
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
ActivityState::Flags flagsToUpdate = 0;
if (!(priv->activityState & ActivityState::IsVisible))
flagsToUpdate |= ActivityState::IsVisible;
if (priv->toplevelOnScreenWindow) {
if (!(priv->activityState & ActivityState::IsInWindow))
flagsToUpdate |= ActivityState::IsInWindow;
if (gtk_window_is_active(GTK_WINDOW(priv->toplevelOnScreenWindow)) && !(priv->activityState & ActivityState::WindowIsActive))
flagsToUpdate |= ActivityState::WindowIsActive;
}
if (!flagsToUpdate)
return;
priv->activityState |= flagsToUpdate;
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, flagsToUpdate);
}
static void webkitWebViewBaseUnmap(GtkWidget* widget)
{
GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->unmap(widget);
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (!(priv->activityState & ActivityState::IsVisible))
return;
priv->activityState &= ~ActivityState::IsVisible;
webkitWebViewBaseScheduleUpdateActivityState(webViewBase, ActivityState::IsVisible);
}
static gboolean webkitWebViewBaseFocusInEvent(GtkWidget* widget, GdkEventFocus* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
webkitWebViewBaseSetFocus(webViewBase, true);
webViewBase->priv->inputMethodFilter.notifyFocusedIn();
return GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->focus_in_event(widget, event);
}
static gboolean webkitWebViewBaseFocusOutEvent(GtkWidget* widget, GdkEventFocus* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
webkitWebViewBaseSetFocus(webViewBase, false);
webViewBase->priv->inputMethodFilter.notifyFocusedOut();
return GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->focus_out_event(widget, event);
}
static gboolean webkitWebViewBaseKeyPressEvent(GtkWidget* widget, GdkEventKey* keyEvent)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
#if ENABLE(DEVELOPER_MODE) && OS(LINUX)
if ((keyEvent->state & GDK_CONTROL_MASK) && (keyEvent->state & GDK_SHIFT_MASK) && keyEvent->keyval == GDK_KEY_G) {
auto& preferences = priv->pageProxy->preferences();
preferences.setResourceUsageOverlayVisible(!preferences.resourceUsageOverlayVisible());
priv->shouldForwardNextKeyEvent = FALSE;
return TRUE;
}
#endif
if (priv->authenticationDialog)
return GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->key_press_event(widget, keyEvent);
#if ENABLE(FULLSCREEN_API)
if (priv->fullScreenModeActive) {
switch (keyEvent->keyval) {
case GDK_KEY_Escape:
case GDK_KEY_f:
case GDK_KEY_F:
priv->pageProxy->fullScreenManager()->requestExitFullScreen();
return TRUE;
default:
break;
}
}
#endif
// Since WebProcess key event handling is not synchronous, handle the event in two passes.
// When WebProcess processes the input event, it will call PageClientImpl::doneWithKeyEvent
// with event handled status which determines whether to pass the input event to parent or not
// using gtk_main_do_event().
if (priv->shouldForwardNextKeyEvent) {
priv->shouldForwardNextKeyEvent = FALSE;
return GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->key_press_event(widget, keyEvent);
}
// We need to copy the event as otherwise it could be destroyed before we reach the lambda body.
GUniquePtr<GdkEvent> event(gdk_event_copy(reinterpret_cast<GdkEvent*>(keyEvent)));
priv->inputMethodFilter.filterKeyEvent(keyEvent, [priv, event = WTFMove(event)](const WebCore::CompositionResults& compositionResults, InputMethodFilter::EventFakedForComposition faked) {
priv->pageProxy->handleKeyboardEvent(NativeWebKeyboardEvent(event.get(), compositionResults, faked,
!compositionResults.compositionUpdated() ? priv->keyBindingTranslator.commandsForKeyEvent(&event->key) : Vector<String>()));
});
return TRUE;
}
static gboolean webkitWebViewBaseKeyReleaseEvent(GtkWidget* widget, GdkEventKey* keyEvent)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->shouldForwardNextKeyEvent) {
priv->shouldForwardNextKeyEvent = FALSE;
return GTK_WIDGET_CLASS(webkit_web_view_base_parent_class)->key_release_event(widget, keyEvent);
}
// We need to copy the event as otherwise it could be destroyed before we reach the lambda body.
GUniquePtr<GdkEvent> event(gdk_event_copy(reinterpret_cast<GdkEvent*>(keyEvent)));
priv->inputMethodFilter.filterKeyEvent(keyEvent, [priv, event = WTFMove(event)](const WebCore::CompositionResults& compositionResults, InputMethodFilter::EventFakedForComposition faked) {
priv->pageProxy->handleKeyboardEvent(NativeWebKeyboardEvent(event.get(), compositionResults, faked, { }));
});
return TRUE;
}
static gboolean webkitWebViewBaseButtonPressEvent(GtkWidget* widget, GdkEventButton* buttonEvent)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->authenticationDialog)
return TRUE;
gtk_widget_grab_focus(widget);
priv->inputMethodFilter.notifyMouseButtonPress();
// For double and triple clicks GDK sends both a normal button press event
// and a specific type (like GDK_2BUTTON_PRESS). If we detect a special press
// coming up, ignore this event as it certainly generated the double or triple
// click. The consequence of not eating this event is two DOM button press events
// are generated.
GUniquePtr<GdkEvent> nextEvent(gdk_event_peek());
if (nextEvent && (nextEvent->any.type == GDK_2BUTTON_PRESS || nextEvent->any.type == GDK_3BUTTON_PRESS))
return TRUE;
// If it's a right click event save it as a possible context menu event.
if (buttonEvent->button == 3)
priv->contextMenuEvent.reset(gdk_event_copy(reinterpret_cast<GdkEvent*>(buttonEvent)));
priv->pageProxy->handleMouseEvent(NativeWebMouseEvent(reinterpret_cast<GdkEvent*>(buttonEvent),
priv->clickCounter.currentClickCountForGdkButtonEvent(buttonEvent)));
return TRUE;
}
static gboolean webkitWebViewBaseButtonReleaseEvent(GtkWidget* widget, GdkEventButton* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->authenticationDialog)
return TRUE;
gtk_widget_grab_focus(widget);
priv->pageProxy->handleMouseEvent(NativeWebMouseEvent(reinterpret_cast<GdkEvent*>(event), 0 /* currentClickCount */));
return TRUE;
}
static gboolean webkitWebViewBaseScrollEvent(GtkWidget* widget, GdkEventScroll* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (std::exchange(priv->shouldForwardNextWheelEvent, false))
return FALSE;
if (priv->authenticationDialog)
return FALSE;
priv->pageProxy->handleWheelEvent(NativeWebWheelEvent(reinterpret_cast<GdkEvent*>(event)));
return TRUE;
}
static gboolean webkitWebViewBasePopupMenu(GtkWidget* widget)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
GdkEvent* currentEvent = gtk_get_current_event();
if (!currentEvent)
currentEvent = gdk_event_new(GDK_NOTHING);
priv->contextMenuEvent.reset(currentEvent);
priv->pageProxy->handleContextMenuKeyEvent();
return TRUE;
}
static gboolean webkitWebViewBaseMotionNotifyEvent(GtkWidget* widget, GdkEventMotion* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->authenticationDialog) {
auto* widgetClass = GTK_WIDGET_CLASS(webkit_web_view_base_parent_class);
return widgetClass->motion_notify_event ? widgetClass->motion_notify_event(widget, event) : FALSE;
}
priv->pageProxy->handleMouseEvent(NativeWebMouseEvent(reinterpret_cast<GdkEvent*>(event), 0 /* currentClickCount */));
return FALSE;
}
static gboolean webkitWebViewBaseCrossingNotifyEvent(GtkWidget* widget, GdkEventCrossing* crosssingEvent)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->authenticationDialog)
return FALSE;
// In the case of crossing events, it's very important the actual coordinates the WebProcess receives, because once the mouse leaves
// the web view, the WebProcess won't receive more events until the mouse enters again in the web view. So, if the coordinates of the leave
// event are not accurate, the WebProcess might not know the mouse left the view. This can happen because of double to integer conversion,
// if the coordinates of the leave event are for example (25.2, -0.9), the WebProcess will receive (25, 0) and any hit test will succeed
// because those coordinates are inside the web view.
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
double width = allocation.width;
double height = allocation.height;
double x = crosssingEvent->x;
double y = crosssingEvent->y;
if (x < 0 && x > -1)
x = -1;
else if (x >= width && x < width + 1)
x = width + 1;
if (y < 0 && y > -1)
y = -1;
else if (y >= height && y < height + 1)
y = height + 1;
GdkEvent* event = reinterpret_cast<GdkEvent*>(crosssingEvent);
GUniquePtr<GdkEvent> copiedEvent;
if (x != crosssingEvent->x || y != crosssingEvent->y) {
copiedEvent.reset(gdk_event_copy(event));
copiedEvent->crossing.x = x;
copiedEvent->crossing.y = y;
}
priv->pageProxy->handleMouseEvent(NativeWebMouseEvent(copiedEvent ? copiedEvent.get() : event, 0 /* currentClickCount */));
return FALSE;
}
#if ENABLE(TOUCH_EVENTS)
static void appendTouchEvent(Vector<WebPlatformTouchPoint>& touchPoints, const GdkEvent* event, WebPlatformTouchPoint::TouchPointState state)
{
gdouble x, y;
gdk_event_get_coords(event, &x, &y);
gdouble xRoot, yRoot;
gdk_event_get_root_coords(event, &xRoot, &yRoot);
uint32_t identifier = GPOINTER_TO_UINT(gdk_event_get_event_sequence(event));
touchPoints.uncheckedAppend(WebPlatformTouchPoint(identifier, state, IntPoint(xRoot, yRoot), IntPoint(x, y)));
}
static inline WebPlatformTouchPoint::TouchPointState touchPointStateForEvents(const GdkEvent* current, const GdkEvent* event)
{
if (gdk_event_get_event_sequence(current) != gdk_event_get_event_sequence(event))
return WebPlatformTouchPoint::TouchStationary;
switch (current->type) {
case GDK_TOUCH_UPDATE:
return WebPlatformTouchPoint::TouchMoved;
case GDK_TOUCH_BEGIN:
return WebPlatformTouchPoint::TouchPressed;
case GDK_TOUCH_END:
return WebPlatformTouchPoint::TouchReleased;
default:
return WebPlatformTouchPoint::TouchStationary;
}
}
static void webkitWebViewBaseGetTouchPointsForEvent(WebKitWebViewBase* webViewBase, GdkEvent* event, Vector<WebPlatformTouchPoint>& touchPoints)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
touchPoints.reserveInitialCapacity(event->type == GDK_TOUCH_END ? priv->touchEvents.size() + 1 : priv->touchEvents.size());
for (const auto& it : priv->touchEvents)
appendTouchEvent(touchPoints, it.value.get(), touchPointStateForEvents(it.value.get(), event));
// Touch was already removed from the TouchEventsMap, add it here.
if (event->type == GDK_TOUCH_END)
appendTouchEvent(touchPoints, event, WebPlatformTouchPoint::TouchReleased);
}
static gboolean webkitWebViewBaseTouchEvent(GtkWidget* widget, GdkEventTouch* event)
{
WebKitWebViewBase* webViewBase = WEBKIT_WEB_VIEW_BASE(widget);
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (priv->authenticationDialog)
return TRUE;
GdkEvent* touchEvent = reinterpret_cast<GdkEvent*>(event);
uint32_t sequence = GPOINTER_TO_UINT(gdk_event_get_event_sequence(touchEvent));
switch (touchEvent->type) {
case GDK_TOUCH_BEGIN: {
ASSERT(!priv->touchEvents.contains(sequence));
GUniquePtr<GdkEvent> event(gdk_event_copy(touchEvent));
priv->touchEvents.add(sequence, WTFMove(event));
break;
}
case GDK_TOUCH_UPDATE: {
auto it = priv->touchEvents.find(sequence);
ASSERT(it != priv->touchEvents.end());
it->value.reset(gdk_event_copy(touchEvent));
break;
}
case GDK_TOUCH_END:
ASSERT(priv->touchEvents.contains(sequence));
priv->touchEvents.remove(sequence);
break;
default:
break;
}
Vector<WebPlatformTouchPoint> touchPoints;
webkitWebViewBaseGetTouchPointsForEvent(webViewBase, touchEvent, touchPoints);
priv->pageProxy->handleTouchEvent(NativeWebTouchEvent(reinterpret_cast<GdkEvent*>(event), WTFMove(touchPoints)));
return TRUE;
}
#endif // ENABLE(TOUCH_EVENTS)
#if HAVE(GTK_GESTURES)
GestureController& webkitWebViewBaseGestureController(WebKitWebViewBase* webViewBase)
{
WebKitWebViewBasePrivate* priv = webViewBase->priv;
if (!priv->gestureController)
priv->gestureController = std::make_unique<GestureController>(*priv->pageProxy);
return *priv->gestureController;
}
#endif
static gboolean webkitWebViewBaseQueryTooltip(GtkWidget* widget, gint /* x */, gint /* y */, gboolean keyboardMode, GtkTooltip* tooltip)
{
WebKitWebViewBasePrivate* priv = WEBKIT_WEB_VIEW_BASE(widget)->priv;
if (keyboardMode) {
// TODO: https://bugs.webkit.org/show_bug.cgi?id=61732.
notImplemented();
return FALSE;
}
if (priv->tooltipText.length() <= 0)
return FALSE;
if (!priv->tooltipArea.isEmpty()) {
GdkRectangle area = priv->tooltipArea;
gtk_tooltip_set_tip_area(tooltip, &area);
} else
gtk_tooltip_set_tip_area(tooltip, 0);
gtk_tooltip_set_text(tooltip, priv->tooltipText.data());
return TRUE;
}
#if ENABLE(DRAG_SUPPORT)
static void webkitWebViewBaseDragDataGet(GtkWidget* widget, GdkDragContext* context, GtkSelectionData* selectionData, guint info, guint /* time */)
{
WebKitWebViewBasePrivate* priv = WEBKIT_WEB_VIEW_BASE(widget)->priv;
ASSERT(priv->dragAndDropHandler);
priv->dragAndDropHandler->fillDragData(context, selectionData, info);
}
static void webkitWebViewBaseDragEnd(GtkWidget* widget, GdkDragContext* context)