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gecko-dev/dom/plugins/test/testplugin/nptest_gtk2.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
*
* Copyright (c) 2008, Mozilla Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Mozilla Corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
* Michael Ventnor <mventnor@mozilla.com>
*
* ***** END LICENSE BLOCK ***** */
#include "nptest_platform.h"
#include "npapi.h"
#include <pthread.h>
#include <gdk/gdk.h>
#ifdef MOZ_X11
# include <gdk/gdkx.h>
# include <X11/extensions/shape.h>
#endif
#include <glib.h>
#include <gtk/gtk.h>
#include <unistd.h>
#include "mozilla/IntentionalCrash.h"
struct _PlatformData {
#ifdef MOZ_X11
Display* display;
Visual* visual;
Colormap colormap;
#endif
GtkWidget* plug;
};
bool pluginSupportsWindowMode() { return false; }
bool pluginSupportsWindowlessMode() { return true; }
NPError pluginInstanceInit(InstanceData* instanceData) {
#ifdef MOZ_X11
instanceData->platformData =
static_cast<PlatformData*>(NPN_MemAlloc(sizeof(PlatformData)));
if (!instanceData->platformData) return NPERR_OUT_OF_MEMORY_ERROR;
instanceData->platformData->display = nullptr;
instanceData->platformData->visual = nullptr;
instanceData->platformData->colormap = X11None;
instanceData->platformData->plug = nullptr;
return NPERR_NO_ERROR;
#else
// we only support X11 here, since thats what the plugin system uses
return NPERR_INCOMPATIBLE_VERSION_ERROR;
#endif
}
void pluginInstanceShutdown(InstanceData* instanceData) {
if (instanceData->hasWidget) {
Window window = reinterpret_cast<XID>(instanceData->window.window);
if (window != X11None) {
// This window XID should still be valid.
// See bug 429604 and bug 454756.
XWindowAttributes attributes;
if (!XGetWindowAttributes(instanceData->platformData->display, window,
&attributes))
g_error("XGetWindowAttributes failed at plugin instance shutdown");
}
}
GtkWidget* plug = instanceData->platformData->plug;
if (plug) {
instanceData->platformData->plug = 0;
if (instanceData->cleanupWidget) {
// Default/tidy behavior
gtk_widget_destroy(plug);
} else {
// Flash Player style: let the GtkPlug destroy itself on disconnect.
g_signal_handlers_disconnect_matched(plug, G_SIGNAL_MATCH_DATA, 0, 0,
nullptr, nullptr, instanceData);
}
}
NPN_MemFree(instanceData->platformData);
instanceData->platformData = 0;
}
static void SetCairoRGBA(cairo_t* cairoWindow, uint32_t rgba) {
float b = (rgba & 0xFF) / 255.0;
float g = ((rgba & 0xFF00) >> 8) / 255.0;
float r = ((rgba & 0xFF0000) >> 16) / 255.0;
float a = ((rgba & 0xFF000000) >> 24) / 255.0;
cairo_set_source_rgba(cairoWindow, r, g, b, a);
}
static void pluginDrawSolid(InstanceData* instanceData, GdkDrawable* gdkWindow,
int x, int y, int width, int height) {
cairo_t* cairoWindow = gdk_cairo_create(gdkWindow);
MOZ_RELEASE_ASSERT(!instanceData->hasWidget);
NPRect* clip = &instanceData->window.clipRect;
cairo_rectangle(cairoWindow, clip->left, clip->top, clip->right - clip->left,
clip->bottom - clip->top);
cairo_clip(cairoWindow);
GdkRectangle windowRect = {x, y, width, height};
gdk_cairo_rectangle(cairoWindow, &windowRect);
SetCairoRGBA(cairoWindow, instanceData->scriptableObject->drawColor);
cairo_fill(cairoWindow);
cairo_destroy(cairoWindow);
}
static void pluginDrawWindow(InstanceData* instanceData, GdkDrawable* gdkWindow,
const GdkRectangle& invalidRect) {
NPWindow& window = instanceData->window;
MOZ_RELEASE_ASSERT(!instanceData->hasWidget);
int x = window.x;
int y = window.y;
int width = window.width;
int height = window.height;
notifyDidPaint(instanceData);
if (instanceData->scriptableObject->drawMode == DM_SOLID_COLOR) {
// drawing a solid color for reftests
pluginDrawSolid(instanceData, gdkWindow, invalidRect.x, invalidRect.y,
invalidRect.width, invalidRect.height);
return;
}
NPP npp = instanceData->npp;
if (!npp) return;
const char* uaString = NPN_UserAgent(npp);
if (!uaString) return;
GdkGC* gdkContext = gdk_gc_new(gdkWindow);
if (!gdkContext) return;
NPRect* clip = &window.clipRect;
GdkRectangle gdkClip = {clip->left, clip->top, clip->right - clip->left,
clip->bottom - clip->top};
gdk_gc_set_clip_rectangle(gdkContext, &gdkClip);
// draw a grey background for the plugin frame
GdkColor grey;
grey.red = grey.blue = grey.green = 32767;
gdk_gc_set_rgb_fg_color(gdkContext, &grey);
gdk_draw_rectangle(gdkWindow, gdkContext, TRUE, x, y, width, height);
// draw a 3-pixel-thick black frame around the plugin
GdkColor black;
black.red = black.green = black.blue = 0;
gdk_gc_set_rgb_fg_color(gdkContext, &black);
gdk_gc_set_line_attributes(gdkContext, 3, GDK_LINE_SOLID, GDK_CAP_NOT_LAST,
GDK_JOIN_MITER);
gdk_draw_rectangle(gdkWindow, gdkContext, FALSE, x + 1, y + 1, width - 3,
height - 3);
// paint the UA string
PangoContext* pangoContext = gdk_pango_context_get();
PangoLayout* pangoTextLayout = pango_layout_new(pangoContext);
pango_layout_set_width(pangoTextLayout, (width - 10) * PANGO_SCALE);
pango_layout_set_text(pangoTextLayout, uaString, -1);
gdk_draw_layout(gdkWindow, gdkContext, x + 5, y + 5, pangoTextLayout);
g_object_unref(pangoTextLayout);
g_object_unref(gdkContext);
}
static gboolean ExposeWidget(GtkWidget* widget, GdkEventExpose* event,
gpointer user_data) {
InstanceData* instanceData = static_cast<InstanceData*>(user_data);
pluginDrawWindow(instanceData, event->window, event->area);
return TRUE;
}
static gboolean MotionEvent(GtkWidget* widget, GdkEventMotion* event,
gpointer user_data) {
InstanceData* instanceData = static_cast<InstanceData*>(user_data);
instanceData->lastMouseX = event->x;
instanceData->lastMouseY = event->y;
return TRUE;
}
static gboolean ButtonEvent(GtkWidget* widget, GdkEventButton* event,
gpointer user_data) {
InstanceData* instanceData = static_cast<InstanceData*>(user_data);
instanceData->lastMouseX = event->x;
instanceData->lastMouseY = event->y;
if (event->type == GDK_BUTTON_RELEASE) {
instanceData->mouseUpEventCount++;
}
return TRUE;
}
static gboolean DeleteWidget(GtkWidget* widget, GdkEvent* event,
gpointer user_data) {
InstanceData* instanceData = static_cast<InstanceData*>(user_data);
// Some plugins do not expect the plug to be removed from the socket before
// the plugin instance is destroyed. e.g. bug 485125
if (instanceData->platformData->plug) g_error("plug removed"); // this aborts
return FALSE;
}
void pluginDoSetWindow(InstanceData* instanceData, NPWindow* newWindow) {
instanceData->window = *newWindow;
#ifdef MOZ_X11
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(newWindow->ws_info);
instanceData->platformData->display = ws_info->display;
instanceData->platformData->visual = ws_info->visual;
instanceData->platformData->colormap = ws_info->colormap;
#endif
}
void pluginWidgetInit(InstanceData* instanceData, void* oldWindow) {
#ifdef MOZ_X11
GtkWidget* oldPlug = instanceData->platformData->plug;
if (oldPlug) {
instanceData->platformData->plug = 0;
gtk_widget_destroy(oldPlug);
}
GdkNativeWindow nativeWinId =
reinterpret_cast<XID>(instanceData->window.window);
/* create a GtkPlug container */
GtkWidget* plug = gtk_plug_new(nativeWinId);
// Test for bugs 539138 and 561308
if (!plug->window) g_error("Plug has no window"); // aborts
/* make sure the widget is capable of receiving focus */
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(plug), GTK_CAN_FOCUS);
/* all the events that our widget wants to receive */
gtk_widget_add_events(plug, GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK);
g_signal_connect(plug, "expose-event", G_CALLBACK(ExposeWidget),
instanceData);
g_signal_connect(plug, "motion_notify_event", G_CALLBACK(MotionEvent),
instanceData);
g_signal_connect(plug, "button_press_event", G_CALLBACK(ButtonEvent),
instanceData);
g_signal_connect(plug, "button_release_event", G_CALLBACK(ButtonEvent),
instanceData);
g_signal_connect(plug, "delete-event", G_CALLBACK(DeleteWidget),
instanceData);
gtk_widget_show(plug);
instanceData->platformData->plug = plug;
#endif
}
int16_t pluginHandleEvent(InstanceData* instanceData, void* event) {
#ifdef MOZ_X11
XEvent* nsEvent = (XEvent*)event;
switch (nsEvent->type) {
case GraphicsExpose: {
const XGraphicsExposeEvent& expose = nsEvent->xgraphicsexpose;
NPWindow& window = instanceData->window;
window.window = (void*)(expose.drawable);
GdkNativeWindow nativeWinId = reinterpret_cast<XID>(window.window);
GdkDisplay* gdkDisplay = gdk_x11_lookup_xdisplay(expose.display);
if (!gdkDisplay) {
g_warning("Display not opened by GDK");
return 0;
}
// gdk_pixmap_foreign_new() doesn't check whether a GdkPixmap already
// exists, so check first.
// https://bugzilla.gnome.org/show_bug.cgi?id=590690
GdkPixmap* gdkDrawable =
GDK_DRAWABLE(gdk_pixmap_lookup_for_display(gdkDisplay, nativeWinId));
// If there is no existing GdkPixmap or it doesn't have a colormap then
// create our own.
if (gdkDrawable) {
GdkColormap* gdkColormap = gdk_drawable_get_colormap(gdkDrawable);
if (!gdkColormap) {
g_warning("No GdkColormap on GdkPixmap");
return 0;
}
if (gdk_x11_colormap_get_xcolormap(gdkColormap) !=
instanceData->platformData->colormap) {
g_warning("wrong Colormap");
return 0;
}
if (gdk_x11_visual_get_xvisual(gdk_colormap_get_visual(gdkColormap)) !=
instanceData->platformData->visual) {
g_warning("wrong Visual");
return 0;
}
g_object_ref(gdkDrawable);
} else {
gdkDrawable = GDK_DRAWABLE(
gdk_pixmap_foreign_new_for_display(gdkDisplay, nativeWinId));
VisualID visualID = instanceData->platformData->visual->visualid;
GdkVisual* gdkVisual = gdk_x11_screen_lookup_visual(
gdk_drawable_get_screen(gdkDrawable), visualID);
GdkColormap* gdkColormap = gdk_x11_colormap_foreign_new(
gdkVisual, instanceData->platformData->colormap);
gdk_drawable_set_colormap(gdkDrawable, gdkColormap);
g_object_unref(gdkColormap);
}
const NPRect& clip = window.clipRect;
if (expose.x < clip.left || expose.y < clip.top ||
expose.x + expose.width > clip.right ||
expose.y + expose.height > clip.bottom) {
g_warning(
"expose rectangle (x=%d,y=%d,w=%d,h=%d) not in clip rectangle "
"(l=%d,t=%d,r=%d,b=%d)",
expose.x, expose.y, expose.width, expose.height, clip.left,
clip.top, clip.right, clip.bottom);
return 0;
}
if (expose.x < window.x || expose.y < window.y ||
expose.x + expose.width > window.x + int32_t(window.width) ||
expose.y + expose.height > window.y + int32_t(window.height)) {
g_warning(
"expose rectangle (x=%d,y=%d,w=%d,h=%d) not in plugin rectangle "
"(x=%d,y=%d,w=%d,h=%d)",
expose.x, expose.y, expose.width, expose.height, window.x, window.y,
window.width, window.height);
return 0;
}
GdkRectangle invalidRect = {expose.x, expose.y, expose.width,
expose.height};
pluginDrawWindow(instanceData, gdkDrawable, invalidRect);
g_object_unref(gdkDrawable);
break;
}
case MotionNotify: {
XMotionEvent* motion = &nsEvent->xmotion;
instanceData->lastMouseX = motion->x;
instanceData->lastMouseY = motion->y;
break;
}
case ButtonPress:
case ButtonRelease: {
XButtonEvent* button = &nsEvent->xbutton;
instanceData->lastMouseX = button->x;
instanceData->lastMouseY = button->y;
if (nsEvent->type == ButtonRelease) {
instanceData->mouseUpEventCount++;
}
break;
}
default:
break;
}
#endif
return 0;
}
int32_t pluginGetEdge(InstanceData* instanceData, RectEdge edge) {
MOZ_RELEASE_ASSERT(!instanceData->hasWidget);
if (!instanceData->hasWidget) return NPTEST_INT32_ERROR;
GtkWidget* plug = instanceData->platformData->plug;
if (!plug) return NPTEST_INT32_ERROR;
GdkWindow* plugWnd = plug->window;
if (!plugWnd) return NPTEST_INT32_ERROR;
GdkWindow* toplevelGdk = 0;
#ifdef MOZ_X11
Window toplevel = 0;
NPN_GetValue(instanceData->npp, NPNVnetscapeWindow, &toplevel);
if (!toplevel) return NPTEST_INT32_ERROR;
toplevelGdk = gdk_window_foreign_new(toplevel);
#endif
if (!toplevelGdk) return NPTEST_INT32_ERROR;
GdkRectangle toplevelFrameExtents;
gdk_window_get_frame_extents(toplevelGdk, &toplevelFrameExtents);
g_object_unref(toplevelGdk);
gint pluginWidth, pluginHeight;
gdk_drawable_get_size(GDK_DRAWABLE(plugWnd), &pluginWidth, &pluginHeight);
gint pluginOriginX, pluginOriginY;
gdk_window_get_origin(plugWnd, &pluginOriginX, &pluginOriginY);
gint pluginX = pluginOriginX - toplevelFrameExtents.x;
gint pluginY = pluginOriginY - toplevelFrameExtents.y;
switch (edge) {
case EDGE_LEFT:
return pluginX;
case EDGE_TOP:
return pluginY;
case EDGE_RIGHT:
return pluginX + pluginWidth;
case EDGE_BOTTOM:
return pluginY + pluginHeight;
}
MOZ_CRASH("Unexpected RectEdge?!");
}
#ifdef MOZ_X11
static void intersectWithShapeRects(Display* display, Window window, int kind,
GdkRegion* region) {
int count = -1, order;
XRectangle* shapeRects =
XShapeGetRectangles(display, window, kind, &count, &order);
// The documentation says that shapeRects will be nullptr when the
// extension is not supported. Unfortunately XShapeGetRectangles
// also returns nullptr when the region is empty, so we can't treat
// nullptr as failure. I hope this way is OK.
if (count < 0) return;
GdkRegion* shapeRegion = gdk_region_new();
if (!shapeRegion) {
XFree(shapeRects);
return;
}
for (int i = 0; i < count; ++i) {
XRectangle* r = &shapeRects[i];
GdkRectangle rect = {r->x, r->y, r->width, r->height};
gdk_region_union_with_rect(shapeRegion, &rect);
}
XFree(shapeRects);
gdk_region_intersect(region, shapeRegion);
gdk_region_destroy(shapeRegion);
}
#endif
static GdkRegion* computeClipRegion(InstanceData* instanceData) {
MOZ_RELEASE_ASSERT(!instanceData->hasWidget);
if (!instanceData->hasWidget) return 0;
GtkWidget* plug = instanceData->platformData->plug;
if (!plug) return 0;
GdkWindow* plugWnd = plug->window;
if (!plugWnd) return 0;
gint plugWidth, plugHeight;
gdk_drawable_get_size(GDK_DRAWABLE(plugWnd), &plugWidth, &plugHeight);
GdkRectangle pluginRect = {0, 0, plugWidth, plugHeight};
GdkRegion* region = gdk_region_rectangle(&pluginRect);
if (!region) return 0;
int pluginX = 0, pluginY = 0;
#ifdef MOZ_X11
Display* display = GDK_WINDOW_XDISPLAY(plugWnd);
Window window = GDK_WINDOW_XWINDOW(plugWnd);
Window toplevel = 0;
NPN_GetValue(instanceData->npp, NPNVnetscapeWindow, &toplevel);
if (!toplevel) return 0;
for (;;) {
Window root;
int x, y;
unsigned int width, height, border_width, depth;
if (!XGetGeometry(display, window, &root, &x, &y, &width, &height,
&border_width, &depth)) {
gdk_region_destroy(region);
return 0;
}
GdkRectangle windowRect = {0, 0, static_cast<gint>(width),
static_cast<gint>(height)};
GdkRegion* windowRgn = gdk_region_rectangle(&windowRect);
if (!windowRgn) {
gdk_region_destroy(region);
return 0;
}
intersectWithShapeRects(display, window, ShapeBounding, windowRgn);
intersectWithShapeRects(display, window, ShapeClip, windowRgn);
gdk_region_offset(windowRgn, -pluginX, -pluginY);
gdk_region_intersect(region, windowRgn);
gdk_region_destroy(windowRgn);
// Stop now if we've reached the toplevel. Stopping here means
// clipping performed by the toplevel window is taken into account.
if (window == toplevel) break;
Window parent;
Window* children;
unsigned int nchildren;
if (!XQueryTree(display, window, &root, &parent, &children, &nchildren)) {
gdk_region_destroy(region);
return 0;
}
XFree(children);
pluginX += x;
pluginY += y;
window = parent;
}
#endif
// pluginX and pluginY are now relative to the toplevel. Make them
// relative to the window frame top-left.
GdkWindow* toplevelGdk = gdk_window_foreign_new(window);
if (!toplevelGdk) return 0;
GdkRectangle toplevelFrameExtents;
gdk_window_get_frame_extents(toplevelGdk, &toplevelFrameExtents);
gint toplevelOriginX, toplevelOriginY;
gdk_window_get_origin(toplevelGdk, &toplevelOriginX, &toplevelOriginY);
g_object_unref(toplevelGdk);
pluginX += toplevelOriginX - toplevelFrameExtents.x;
pluginY += toplevelOriginY - toplevelFrameExtents.y;
gdk_region_offset(region, pluginX, pluginY);
return region;
}
int32_t pluginGetClipRegionRectCount(InstanceData* instanceData) {
GdkRegion* region = computeClipRegion(instanceData);
if (!region) return NPTEST_INT32_ERROR;
GdkRectangle* rects;
gint nrects;
gdk_region_get_rectangles(region, &rects, &nrects);
gdk_region_destroy(region);
g_free(rects);
return nrects;
}
int32_t pluginGetClipRegionRectEdge(InstanceData* instanceData,
int32_t rectIndex, RectEdge edge) {
GdkRegion* region = computeClipRegion(instanceData);
if (!region) return NPTEST_INT32_ERROR;
GdkRectangle* rects;
gint nrects;
gdk_region_get_rectangles(region, &rects, &nrects);
gdk_region_destroy(region);
if (rectIndex >= nrects) {
g_free(rects);
return NPTEST_INT32_ERROR;
}
GdkRectangle rect = rects[rectIndex];
g_free(rects);
switch (edge) {
case EDGE_LEFT:
return rect.x;
case EDGE_TOP:
return rect.y;
case EDGE_RIGHT:
return rect.x + rect.width;
case EDGE_BOTTOM:
return rect.y + rect.height;
}
return NPTEST_INT32_ERROR;
}
void pluginDoInternalConsistencyCheck(InstanceData* instanceData,
std::string& error) {}
string pluginGetClipboardText(InstanceData* instanceData) {
GtkClipboard* cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
// XXX this is a BAD WAY to interact with GtkClipboard. We use this
// deprecated interface only to test nested event loop handling.
gchar* text = gtk_clipboard_wait_for_text(cb);
string retText = text ? text : "";
g_free(text);
return retText;
}
//-----------------------------------------------------------------------------
// NB: this test is quite gross in that it's not only
// nondeterministic, but dependent on the guts of the nested glib
// event loop handling code in PluginModule. We first sleep long
// enough to make sure that the "detection timer" will be pending when
// we enter the nested glib loop, then similarly for the "process browser
// events" timer. Then we "schedule" the crasher thread to run at about the
// same time we expect that the PluginModule "process browser events" task
// will run. If all goes well, the plugin process will crash and generate the
// XPCOM "plugin crashed" task, and the browser will run that task while still
// in the "process some events" loop.
static void* CrasherThread(void* data) {
// Give the parent thread a chance to send the message.
usleep(200);
// Exit (without running atexit hooks) rather than crashing with a signal
// so as to make timing more reliable. The process terminates immediately
// rather than waiting for a thread in the parent process to attach and
// generate a minidump.
_exit(1);
// not reached
return (nullptr);
}
bool pluginCrashInNestedLoop(InstanceData* instanceData) {
// wait at least long enough for nested loop detector task to be pending ...
sleep(1);
// Run the nested loop detector by processing all events that are waiting.
bool found_event = false;
while (g_main_context_iteration(nullptr, FALSE)) {
found_event = true;
}
if (!found_event) {
g_warning("DetectNestedEventLoop did not fire");
return true; // trigger a test failure
}
// wait at least long enough for the "process browser events" task to be
// pending ...
sleep(1);
// we'll be crashing soon, note that fact now to avoid messing with
// timing too much
mozilla::NoteIntentionalCrash("plugin");
// schedule the crasher thread ...
pthread_t crasherThread;
if (0 != pthread_create(&crasherThread, nullptr, CrasherThread, nullptr)) {
g_warning("Failed to create thread");
return true; // trigger a test failure
}
// .. and hope it crashes at about the same time as the "process browser
// events" task (that should run in this loop) is being processed in the
// parent.
found_event = false;
while (g_main_context_iteration(nullptr, FALSE)) {
found_event = true;
}
if (found_event) {
g_warning("Should have crashed in ProcessBrowserEvents");
} else {
g_warning("ProcessBrowserEvents did not fire");
}
// if we get here without crashing, then we'll trigger a test failure
return true;
}
bool pluginTriggerXError(InstanceData* instanceData) {
mozilla::NoteIntentionalCrash("plugin");
int num_prop_return;
// Window parameter is None to generate a fatal error, and this function
// should not return.
XListProperties(GDK_DISPLAY(), X11None, &num_prop_return);
// if we get here without crashing, then we'll trigger a test failure
return true;
}
static int SleepThenDie(Display* display) {
mozilla::NoteIntentionalCrash("plugin");
fprintf(stderr, "[testplugin:%d] SleepThenDie: sleeping\n", getpid());
sleep(1);
fprintf(stderr, "[testplugin:%d] SleepThenDie: dying\n", getpid());
_exit(1);
}
bool pluginDestroySharedGfxStuff(InstanceData* instanceData) {
// Closing the X socket results in the gdk error handler being
// invoked, which exit()s us. We want to give the parent process a
// little while to do whatever it wanted to do, so steal the IO
// handler from gdk and set up our own that delays seppuku.
XSetIOErrorHandler(SleepThenDie);
close(ConnectionNumber(GDK_DISPLAY()));
return true;
}
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