/*
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* Copyright (C) 2008 Collabora Ltd. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
*
* 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.
*/
#include "config.h"
#include "PluginView.h"
#include "BridgeJSC.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "Element.h"
#include "EventNames.h"
#include "FocusController.h"
#include "FrameLoader.h"
#include "FrameLoadRequest.h"
#include "FrameTree.h"
#include "Frame.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "HostWindow.h"
#include "HTMLNames.h"
#include "HTMLPlugInElement.h"
#include "Image.h"
#include "JSDOMBinding.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "NotImplemented.h"
#include "Page.h"
#include "PlatformMouseEvent.h"
#include "PlatformKeyboardEvent.h"
#include "PluginDebug.h"
#include "PluginPackage.h"
#include "PluginMainThreadScheduler.h"
#include "ScriptController.h"
#include "Settings.h"
#include "npruntime_impl.h"
#include "runtime_root.h"
#include <runtime/JSLock.h>
#include <runtime/JSValue.h>
#include <wtf/RetainPtr.h>
using JSC::ExecState;
using JSC::Interpreter;
using JSC::JSLock;
using JSC::JSObject;
using JSC::JSValue;
using JSC::UString;
#if PLATFORM(QT)
#include <QWidget>
#include <QKeyEvent>
#include <QPainter>
#include "QWebPageClient.h"
QT_BEGIN_NAMESPACE
extern Q_GUI_EXPORT OSWindowRef qt_mac_window_for(const QWidget* w);
QT_END_NAMESPACE
#endif
#if PLATFORM(WX)
#include <wx/defs.h>
#include <wx/wx.h>
#endif
using std::min;
using namespace WTF;
namespace WebCore {
using namespace HTMLNames;
#ifndef NP_NO_CARBON
static int modifiersForEvent(UIEventWithKeyState *event);
#endif
static inline WindowRef nativeWindowFor(PlatformWidget widget)
{
#if PLATFORM(QT)
if (widget)
#if QT_MAC_USE_COCOA
return static_cast<WindowRef>([qt_mac_window_for(static_cast<QWidget*>(widget)) windowRef]);
#else
return static_cast<WindowRef>(qt_mac_window_for(widget));
#endif
#elif PLATFORM(WX)
if (widget)
return (WindowRef)widget->MacGetTopLevelWindowRef();
#endif
return 0;
}
static inline CGContextRef cgHandleFor(PlatformWidget widget)
{
#if PLATFORM(QT)
if (widget)
return (CGContextRef)static_cast<QWidget*>(widget)->macCGHandle();
#endif
#if PLATFORM(WX)
if (widget)
return (CGContextRef)widget->MacGetCGContextRef();
#endif
return 0;
}
static inline IntPoint topLevelOffsetFor(PlatformWidget widget)
{
#if PLATFORM(QT)
if (widget) {
QWidget* topLevel = static_cast<QWidget*>(widget)->window();
return static_cast<QWidget*>(widget)->mapTo(topLevel, QPoint(0, 0)) + topLevel->geometry().topLeft() - topLevel->pos();
}
#endif
#if PLATFORM(WX)
if (widget) {
PlatformWidget toplevel = wxGetTopLevelParent(widget);
return toplevel->ScreenToClient(widget->GetScreenPosition());
}
#endif
return IntPoint();
}
// --------------- Lifetime management -----------------
bool PluginView::platformStart()
{
ASSERT(m_isStarted);
ASSERT(m_status == PluginStatusLoadedSuccessfully);
if (m_drawingModel == NPDrawingModel(-1)) {
// We default to QuickDraw, even though we don't support it,
// since that's what Safari does, and some plugins expect this
// behavior and never set the drawing model explicitly.
#ifndef NP_NO_QUICKDRAW
m_drawingModel = NPDrawingModelQuickDraw;
#else
// QuickDraw not available, so we have to default to CoreGraphics
m_drawingModel = NPDrawingModelCoreGraphics;
#endif
}
if (m_eventModel == NPEventModel(-1)) {
// If the plug-in did not specify an event model
// we default to Carbon, when it is available.
#ifndef NP_NO_CARBON
m_eventModel = NPEventModelCarbon;
#else
m_eventModel = NPEventModelCocoa;
#endif
}
// Gracefully handle unsupported drawing or event models. We can do this
// now since the drawing and event model can only be set during NPP_New.
#ifndef NP_NO_CARBON
NPBool eventModelSupported;
if (getValueStatic(NPNVariable(NPNVsupportsCarbonBool + m_eventModel), &eventModelSupported) != NPERR_NO_ERROR
|| !eventModelSupported) {
#endif
m_status = PluginStatusCanNotLoadPlugin;
LOG(Plugins, "Plug-in '%s' uses unsupported event model %s",
m_plugin->name().utf8().data(), prettyNameForEventModel(m_eventModel));
return false;
#ifndef NP_NO_CARBON
}
#endif
#ifndef NP_NO_QUICKDRAW
NPBool drawingModelSupported;
if (getValueStatic(NPNVariable(NPNVsupportsQuickDrawBool + m_drawingModel), &drawingModelSupported) != NPERR_NO_ERROR
|| !drawingModelSupported) {
#endif
m_status = PluginStatusCanNotLoadPlugin;
LOG(Plugins, "Plug-in '%s' uses unsupported drawing model %s",
m_plugin->name().utf8().data(), prettyNameForDrawingModel(m_drawingModel));
return false;
#ifndef NP_NO_QUICKDRAW
}
#endif
#if PLATFORM(QT)
// Set the platformPluginWidget only in the case of QWebView so that the context menu appears in the right place.
// In all other cases, we use off-screen rendering
if (QWebPageClient* client = m_parentFrame->view()->hostWindow()->platformPageClient()) {
if (QWidget* widget = qobject_cast<QWidget*>(client->pluginParent()))
setPlatformPluginWidget(widget);
}
#endif
#if PLATFORM(WX)
if (wxWindow* widget = m_parentFrame->view()->hostWindow()->platformPageClient())
setPlatformPluginWidget(widget);
#endif
// Create a fake window relative to which all events will be sent when using offscreen rendering
if (!platformPluginWidget()) {
#ifndef NP_NO_CARBON
// Make the default size really big. It is unclear why this is required but with a smaller size, mouse move
// events don't get processed. Resizing the fake window to flash's size doesn't help.
::Rect windowBounds = { 0, 0, 1000, 1000 };
CreateNewWindow(kDocumentWindowClass, kWindowStandardDocumentAttributes, &windowBounds, &m_fakeWindow);
// Flash requires the window to be hilited to process mouse move events.
HiliteWindow(m_fakeWindow, true);
#endif
}
updatePluginWidget();
if (!m_plugin->quirks().contains(PluginQuirkDeferFirstSetWindowCall))
setNPWindowIfNeeded();
// TODO: Implement null timer throttling depending on plugin activation
m_nullEventTimer = adoptPtr(new Timer<PluginView>(this, &PluginView::nullEventTimerFired));
m_nullEventTimer->startRepeating(0.02);
m_lastMousePos.h = m_lastMousePos.v = 0;
return true;
}
void PluginView::platformDestroy()
{
if (platformPluginWidget())
setPlatformPluginWidget(0);
else {
CGContextRelease(m_contextRef);
#ifndef NP_NO_CARBON
if (m_fakeWindow)
DisposeWindow(m_fakeWindow);
#endif
}
}
// Used before the plugin view has been initialized properly, and as a
// fallback for variables that do not require a view to resolve.
bool PluginView::platformGetValueStatic(NPNVariable variable, void* value, NPError* result)
{
switch (variable) {
case NPNVToolkit:
*static_cast<uint32_t*>(value) = 0;
*result = NPERR_NO_ERROR;
return true;
case NPNVjavascriptEnabledBool:
*static_cast<NPBool*>(value) = true;
*result = NPERR_NO_ERROR;
return true;
#ifndef NP_NO_CARBON
case NPNVsupportsCarbonBool:
*static_cast<NPBool*>(value) = true;
*result = NPERR_NO_ERROR;
return true;
#endif
case NPNVsupportsCocoaBool:
*static_cast<NPBool*>(value) = false;
*result = NPERR_NO_ERROR;
return true;
// CoreGraphics is the only drawing model we support
case NPNVsupportsCoreGraphicsBool:
*static_cast<NPBool*>(value) = true;
*result = NPERR_NO_ERROR;
return true;
#ifndef NP_NO_QUICKDRAW
// QuickDraw is deprecated in 10.5 and not supported on 64-bit
case NPNVsupportsQuickDrawBool:
#endif
case NPNVsupportsOpenGLBool:
case NPNVsupportsCoreAnimationBool:
*static_cast<NPBool*>(value) = false;
*result = NPERR_NO_ERROR;
return true;
default:
return false;
}
}
// Used only for variables that need a view to resolve
bool PluginView::platformGetValue(NPNVariable variable, void* value, NPError* error)
{
return false;
}
void PluginView::setParent(ScrollView* parent)
{
LOG(Plugins, "PluginView::setParent(%p)", parent);
Widget::setParent(parent);
if (parent)
init();
}
// -------------- Geometry and painting ----------------
void PluginView::show()
{
LOG(Plugins, "PluginView::show()");
setSelfVisible(true);
Widget::show();
}
void PluginView::hide()
{
LOG(Plugins, "PluginView::hide()");
setSelfVisible(false);
Widget::hide();
}
void PluginView::setFocus(bool focused)
{
LOG(Plugins, "PluginView::setFocus(%d)", focused);
if (!focused) {
Widget::setFocus(focused);
return;
}
if (platformPluginWidget())
#if PLATFORM(QT)
static_cast<QWidget*>(platformPluginWidget())->setFocus(Qt::OtherFocusReason);
#else
platformPluginWidget()->SetFocus();
#endif
else
Widget::setFocus(focused);
// TODO: Also handle and pass on blur events (focus lost)
#ifndef NP_NO_CARBON
EventRecord record;
record.what = NPEventType_GetFocusEvent;
record.message = 0;
record.when = TickCount();
record.where = globalMousePosForPlugin();
record.modifiers = GetCurrentKeyModifiers();
if (!dispatchNPEvent(record))
LOG(Events, "PluginView::setFocus(%d): Focus event not accepted", focused);
#endif
}
void PluginView::setParentVisible(bool visible)
{
if (isParentVisible() == visible)
return;
Widget::setParentVisible(visible);
}
void PluginView::setNPWindowRect(const IntRect&)
{
setNPWindowIfNeeded();
}
void PluginView::setNPWindowIfNeeded()
{
if (!m_isStarted || !parent() || !m_plugin->pluginFuncs()->setwindow)
return;
CGContextRef newContextRef = 0;
WindowRef newWindowRef = 0;
if (platformPluginWidget()) {
newContextRef = cgHandleFor(platformPluginWidget());
newWindowRef = nativeWindowFor(platformPluginWidget());
m_npWindow.type = NPWindowTypeWindow;
} else {
newContextRef = m_contextRef;
newWindowRef = m_fakeWindow;
m_npWindow.type = NPWindowTypeDrawable;
}
if (!newContextRef || !newWindowRef)
return;
m_npWindow.window = (void*)&m_npCgContext;
#ifndef NP_NO_CARBON
m_npCgContext.window = newWindowRef;
#endif
m_npCgContext.context = newContextRef;
m_npWindow.x = m_windowRect.x();
m_npWindow.y = m_windowRect.y();
m_npWindow.width = m_windowRect.width();
m_npWindow.height = m_windowRect.height();
// TODO: (also clip against scrollbars, etc.)
m_npWindow.clipRect.left = max(0, m_windowRect.x());
m_npWindow.clipRect.top = max(0, m_windowRect.y());
m_npWindow.clipRect.right = m_windowRect.x() + m_windowRect.width();
m_npWindow.clipRect.bottom = m_windowRect.y() + m_windowRect.height();
LOG(Plugins, "PluginView::setNPWindowIfNeeded(): window=%p, context=%p,"
" window.x:%d window.y:%d window.width:%d window.height:%d window.clipRect size:%dx%d",
newWindowRef, newContextRef, m_npWindow.x, m_npWindow.y, m_npWindow.width, m_npWindow.height,
m_npWindow.clipRect.right - m_npWindow.clipRect.left, m_npWindow.clipRect.bottom - m_npWindow.clipRect.top);
PluginView::setCurrentPluginView(this);
JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonJSGlobalData());
setCallingPlugin(true);
m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
setCallingPlugin(false);
PluginView::setCurrentPluginView(0);
}
void PluginView::updatePluginWidget()
{
if (!parent())
return;
ASSERT(parent()->isFrameView());
FrameView* frameView = static_cast<FrameView*>(parent());
IntRect oldWindowRect = m_windowRect;
IntRect oldClipRect = m_clipRect;
m_windowRect = frameView->contentsToWindow(frameRect());
IntPoint offset = topLevelOffsetFor(platformPluginWidget());
m_windowRect.move(offset.x(), offset.y());
if (!platformPluginWidget()) {
if (m_windowRect.size() != oldWindowRect.size()) {
CGContextRelease(m_contextRef);
#if PLATFORM(QT)
m_pixmap = QPixmap(m_windowRect.size());
m_pixmap.fill(Qt::transparent);
m_contextRef = m_pixmap.isNull() ? 0 : qt_mac_cg_context(&m_pixmap);
#endif
}
}
m_clipRect = windowClipRect();
m_clipRect.move(-m_windowRect.x(), -m_windowRect.y());
if (platformPluginWidget() && (m_windowRect != oldWindowRect || m_clipRect != oldClipRect))
setNPWindowIfNeeded();
}
void PluginView::paint(GraphicsContext* context, const IntRect& rect)
{
if (!m_isStarted || m_status != PluginStatusLoadedSuccessfully) {
paintMissingPluginIcon(context, rect);
return;
}
if (context->paintingDisabled())
return;
setNPWindowIfNeeded();
CGContextRef cgContext = m_npCgContext.context;
if (!cgContext)
return;
CGContextSaveGState(cgContext);
if (platformPluginWidget()) {
IntPoint offset = frameRect().location();
CGContextTranslateCTM(cgContext, offset.x(), offset.y());
}
IntRect targetRect(frameRect());
targetRect.intersects(rect);
// clip the context so that plugin only updates the interested area.
CGRect r;
r.origin.x = targetRect.x() - frameRect().x();
r.origin.y = targetRect.y() - frameRect().y();
r.size.width = targetRect.width();
r.size.height = targetRect.height();
CGContextClipToRect(cgContext, r);
if (!platformPluginWidget() && m_isTransparent) { // clean the pixmap in transparent mode
#if PLATFORM(QT)
QPainter painter(&m_pixmap);
painter.setCompositionMode(QPainter::CompositionMode_Clear);
painter.fillRect(QRectF(r.origin.x, r.origin.y, r.size.width, r.size.height), Qt::transparent);
#endif
}
#ifndef NP_NO_CARBON
EventRecord event;
event.what = updateEvt;
event.message = (long unsigned int)m_npCgContext.window;
event.when = TickCount();
event.where.h = 0;
event.where.v = 0;
event.modifiers = GetCurrentKeyModifiers();
if (!dispatchNPEvent(event))
LOG(Events, "PluginView::paint(): Paint event not accepted");
#endif
CGContextRestoreGState(cgContext);
if (!platformPluginWidget()) {
#if PLATFORM(QT)
QPainter* painter = context->platformContext();
painter->drawPixmap(targetRect.x(), targetRect.y(), m_pixmap,
targetRect.x() - frameRect().x(), targetRect.y() - frameRect().y(), targetRect.width(), targetRect.height());
#endif
}
}
void PluginView::invalidateRect(const IntRect& rect)
{
if (platformPluginWidget())
#if PLATFORM(QT)
static_cast<QWidget*>(platformPluginWidget())->update(convertToContainingWindow(rect));
#else
platformPluginWidget()->RefreshRect(convertToContainingWindow(rect));
#endif
else
invalidateWindowlessPluginRect(rect);
}
void PluginView::invalidateRect(NPRect* rect)
{
IntRect r(rect->left, rect->top, rect->right - rect->left, rect->bottom - rect->top);
invalidateRect(r);
}
void PluginView::invalidateRegion(NPRegion region)
{
// TODO: optimize
invalidate();
}
void PluginView::forceRedraw()
{
notImplemented();
}
// ----------------- Event handling --------------------
void PluginView::handleMouseEvent(MouseEvent* event)
{
if (!m_isStarted)
return;
#ifndef NP_NO_CARBON
EventRecord record;
if (event->type() == eventNames().mousemoveEvent) {
// Mouse movement is handled by null timer events
m_lastMousePos = mousePosForPlugin(event);
return;
} else if (event->type() == eventNames().mouseoverEvent) {
record.what = NPEventType_AdjustCursorEvent;
} else if (event->type() == eventNames().mouseoutEvent) {
record.what = NPEventType_AdjustCursorEvent;
} else if (event->type() == eventNames().mousedownEvent) {
record.what = mouseDown;
// The plugin needs focus to receive keyboard events
if (Page* page = m_parentFrame->page())
page->focusController()->setFocusedFrame(m_parentFrame);
m_parentFrame->document()->setFocusedNode(m_element);
} else if (event->type() == eventNames().mouseupEvent) {
record.what = mouseUp;
} else {
return;
}
record.where = mousePosForPlugin(event);
record.modifiers = modifiersForEvent(event);
if (!event->buttonDown())
record.modifiers |= btnState;
if (event->button() == 2)
record.modifiers |= controlKey;
if (!dispatchNPEvent(record)) {
if (record.what == NPEventType_AdjustCursorEvent)
return; // Signals that the plugin wants a normal cursor
LOG(Events, "PluginView::handleMouseEvent(): Mouse event type %d at %d,%d not accepted",
record.what, record.where.h, record.where.v);
} else {
event->setDefaultHandled();
}
#endif
}
void PluginView::handleKeyboardEvent(KeyboardEvent* event)
{
if (!m_isStarted)
return;
LOG(Plugins, "PluginView::handleKeyboardEvent() ----------------- ");
LOG(Plugins, "PV::hKE(): KE.keyCode: 0x%02X, KE.charCode: %d",
event->keyCode(), event->charCode());
#ifndef NP_NO_CARBON
EventRecord record;
if (event->type() == eventNames().keydownEvent) {
// This event is the result of a PlatformEvent::KeyDown which
// was disambiguated into a PlatformKeyboardEvent::RawKeyDown. Since
// we don't have access to the text here, we return, and wait for the
// corresponding event based on PlatformKeyboardEvent::Char.
return;
} else if (event->type() == eventNames().keypressEvent) {
// Which would be this one. This event was disambiguated from the same
// PlatformEvent::KeyDown, but to a PlatformEvent::Char,
// which retains the text from the original event. So, we can safely pass
// on the event as a key-down event to the plugin.
record.what = keyDown;
} else if (event->type() == eventNames().keyupEvent) {
// PlatformEvent::KeyUp events always have the text, so nothing
// fancy here.
record.what = keyUp;
} else {
return;
}
const PlatformKeyboardEvent* platformEvent = event->keyEvent();
int keyCode = platformEvent->nativeVirtualKeyCode();
const String text = platformEvent->text();
if (text.length() < 1) {
event->setDefaultHandled();
return;
}
WTF::RetainPtr<CFStringRef> cfText(WTF::AdoptCF, text.createCFString());
LOG(Plugins, "PV::hKE(): PKE.text: %s, PKE.unmodifiedText: %s, PKE.keyIdentifier: %s",
text.ascii().data(), platformEvent->unmodifiedText().ascii().data(),
platformEvent->keyIdentifier().ascii().data());
char charCodes[2] = { 0, 0 };
if (!CFStringGetCString(cfText.get(), charCodes, 2, CFStringGetSystemEncoding())) {
LOG_ERROR("Could not resolve character code using system encoding.");
event->setDefaultHandled();
return;
}
record.where = globalMousePosForPlugin();
record.modifiers = modifiersForEvent(event);
record.message = ((keyCode & 0xFF) << 8) | (charCodes[0] & 0xFF);
record.when = TickCount();
LOG(Plugins, "PV::hKE(): record.modifiers: %d", record.modifiers);
#if PLATFORM(QT)
LOG(Plugins, "PV::hKE(): PKE.qtEvent()->nativeVirtualKey: 0x%02X, charCode: %d",
keyCode, int(uchar(charCodes[0])));
#endif
if (!dispatchNPEvent(record))
LOG(Events, "PluginView::handleKeyboardEvent(): Keyboard event type %d not accepted", record.what);
else
event->setDefaultHandled();
#endif
}
#ifndef NP_NO_CARBON
void PluginView::nullEventTimerFired(Timer<PluginView>*)
{
EventRecord record;
record.what = nullEvent;
record.message = 0;
record.when = TickCount();
record.where = m_lastMousePos;
record.modifiers = GetCurrentKeyModifiers();
if (!Button())
record.modifiers |= btnState;
if (!dispatchNPEvent(record))
LOG(Events, "PluginView::nullEventTimerFired(): Null event not accepted");
}
#endif
#ifndef NP_NO_CARBON
static int modifiersForEvent(UIEventWithKeyState* event)
{
int modifiers = 0;
if (event->ctrlKey())
modifiers |= controlKey;
if (event->altKey())
modifiers |= optionKey;
if (event->metaKey())
modifiers |= cmdKey;
if (event->shiftKey())
modifiers |= shiftKey;
return modifiers;
}
#endif
#ifndef NP_NO_CARBON
Point PluginView::globalMousePosForPlugin() const
{
Point pos;
GetGlobalMouse(&pos);
#if PLATFORM(WX)
// make sure the titlebar/toolbar size is included
WindowRef windowRef = nativeWindowFor(platformPluginWidget());
::Rect content, structure;
GetWindowBounds(windowRef, kWindowStructureRgn, &structure);
GetWindowBounds(windowRef, kWindowContentRgn, &content);
int top = content.top - structure.top;
pos.v -= top;
#endif
return pos;
}
#endif
#ifndef NP_NO_CARBON
Point PluginView::mousePosForPlugin(MouseEvent* event) const
{
ASSERT(event);
if (platformPluginWidget())
return globalMousePosForPlugin();
if (event->button() == 2) {
// always pass the global position for right-click since Flash uses it to position the context menu
return globalMousePosForPlugin();
}
Point pos;
IntPoint postZoomPos = roundedIntPoint(m_element->renderer()->absoluteToLocal(event->absoluteLocation()));
pos.h = postZoomPos.x() + m_windowRect.x();
// The number 22 is the height of the title bar. As to why it figures in the calculation below
// is left as an exercise to the reader :-)
pos.v = postZoomPos.y() + m_windowRect.y() - 22;
return pos;
}
#endif
#ifndef NP_NO_CARBON
bool PluginView::dispatchNPEvent(NPEvent& event)
{
PluginView::setCurrentPluginView(this);
JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonJSGlobalData());
setCallingPlugin(true);
bool accepted = m_plugin->pluginFuncs()->event(m_instance, &event);
setCallingPlugin(false);
PluginView::setCurrentPluginView(0);
return accepted;
}
#endif
// ------------------- Miscellaneous ------------------
NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32_t len, const char* buf)
{
String filename(buf, len);
if (filename.startsWith("file:///"))
filename = filename.substring(8);
if (!fileExists(filename))
return NPERR_FILE_NOT_FOUND;
FILE* fileHandle = fopen((filename.utf8()).data(), "r");
if (fileHandle == 0)
return NPERR_FILE_NOT_FOUND;
int bytesRead = fread(buffer.data(), 1, 0, fileHandle);
fclose(fileHandle);
if (bytesRead <= 0)
return NPERR_FILE_NOT_FOUND;
return NPERR_NO_ERROR;
}
} // namespace WebCore