pluginviewmac.cpp

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void PluginView::setNPWindowRect(const IntRect&)
{
    setNPWindowIfNeeded();
}

void PluginView::setNPWindowIfNeeded()
{
    if (!m_isStarted || !parent() || !m_plugin->pluginFuncs()->setwindow)
        return;

    CGContextRef newContextRef = cgHandleFor(platformPluginWidget());
    if (!newContextRef)
        return;

    WindowRef newWindowRef = nativeWindowFor(platformPluginWidget());
    if (!newWindowRef)
        return;

    m_npWindow.window = (void*)&m_npCgContext;
    m_npCgContext.window = newWindowRef;
    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 = 0;
    m_npWindow.clipRect.top = 0;
    m_npWindow.clipRect.right = m_windowRect.width();
    m_npWindow.clipRect.bottom = m_windowRect.height();

    PluginView::setCurrentPluginView(this);
    JSC::JSLock::DropAllLocks dropAllLocks(false);
    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 = IntRect(frameView->contentsToWindow(frameRect().location()), frameRect().size());
    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) {
        paintMissingPluginIcon(context, rect);
        return;
    }

    if (context->paintingDisabled())
        return;

    setNPWindowIfNeeded();

    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();

    CGContextRef cg = m_npCgContext.context;
    CGContextSaveGState(cg);
    IntPoint offset = frameRect().location();
    CGContextTranslateCTM(cg, offset.x(), offset.y());

    if (!dispatchNPEvent(event))
        LOG(Events, "PluginView::paint(): Paint event not accepted");

    CGContextRestoreGState(cg);
}

void PluginView::invalidateRect(const IntRect& rect)
{
    if (platformPluginWidget())
        platformPluginWidget()->update(convertToContainingWindow(rect));
}

void PluginView::invalidateRect(NPRect* rect)
{
    // TODO: optimize
    invalidate();
}

void PluginView::invalidateRegion(NPRegion region)
{
    // TODO: optimize
    invalidate();
}

void PluginView::forceRedraw()
{
    notImplemented();
}


// ----------------- Event handling --------------------

void PluginView::handleMouseEvent(MouseEvent* event)
{
    EventRecord record;

    if (event->type() == eventNames().mousemoveEvent) {
        // Mouse movement is handled by null timer events
        return;
    } else if (event->type() == eventNames().mouseoverEvent) {
        record.what = adjustCursorEvent;
    } else if (event->type() == eventNames().mouseoutEvent) {
        record.what = 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 = globalMousePosForPlugin();
    record.modifiers = modifiersForEvent(event);

    if (!event->buttonDown())
        record.modifiers |= btnState;

    if (event->button() == 2)
        record.modifiers |= controlKey;

    if (!dispatchNPEvent(record)) {
        if (record.what == 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();
    }
}

void PluginView::handleKeyboardEvent(KeyboardEvent* event)
{
    LOG(Plugin, "PluginView::handleKeyboardEvent() ----------------- ");

    LOG(Plugin, "PV::hKE(): KE.keyCode: 0x%02X, KE.charCode: %d",
            event->keyCode(), event->charCode());

    EventRecord record;

    if (event->type() == eventNames().keydownEvent) {
        // This event is the result of a PlatformKeyboardEvent::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
        // PlatformKeyboardEvent::KeyDown, but to a PlatformKeyboardEvent::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) {
        // PlatformKeyboardEvent::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(Plugin, "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(Plugin, "PV::hKE(): record.modifiers: %d", record.modifiers);

    LOG(Plugin, "PV::hKE(): PKE.qtEvent()->nativeVirtualKey: 0x%02X, charCode: %d",
               keyCode, int(uchar(charCodes[0])));

    if (!dispatchNPEvent(record))
        LOG(Events, "PluginView::handleKeyboardEvent(): Keyboard event type %d not accepted", record.what);
    else
        event->setDefaultHandled();
}

void PluginView::nullEventTimerFired(Timer<PluginView>*)
{
    EventRecord record;

    record.what = nullEvent;
    record.message = 0;
    record.when = TickCount();
    record.where = globalMousePosForPlugin();
    record.modifiers = GetCurrentKeyModifiers();
    if (!Button())
        record.modifiers |= btnState;

    if (!dispatchNPEvent(record))
        LOG(Events, "PluginView::nullEventTimerFired(): Null event not accepted");
}

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;
}

static bool tigerOrBetter()
{
    static SInt32 systemVersion = 0;

    if (!systemVersion) {
        if (Gestalt(gestaltSystemVersion, &systemVersion) != noErr)
            return false;
    }

    return systemVersion >= 0x1040;
}

Point PluginView::globalMousePosForPlugin() const
{
    Point pos;
    GetGlobalMouse(&pos);

    IntPoint offset = topLevelOffsetFor(platformPluginWidget());
    pos.h -= offset.x();
    pos.v -= offset.y();

    float scaleFactor = tigerOrBetter() ? HIGetScaleFactor() : 1;

    pos.h = short(pos.h * scaleFactor);
    pos.v = short(pos.v * scaleFactor);

    return pos;
}

bool PluginView::dispatchNPEvent(NPEvent& event)
{
    PluginView::setCurrentPluginView(this);
    JSC::JSLock::DropAllLocks dropAllLocks(false);
    setCallingPlugin(true);

    bool accepted = m_plugin->pluginFuncs()->event(m_instance, &event);

    setCallingPlugin(false);
    PluginView::setCurrentPluginView(0);
    return accepted;
}

// ------------------- Miscellaneous  ------------------

static const char* MozillaUserAgent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0";

const char* PluginView::userAgent()
{
    if (m_plugin->quirks().contains(PluginQuirkWantsMozillaUserAgent))
        return MozillaUserAgent;

    if (m_userAgent.isNull())
        m_userAgent = m_parentFrame->loader()->userAgent(m_url).utf8();

    return m_userAgent.data();
}

const char* PluginView::userAgentStatic()
{
    return MozillaUserAgent;
}

NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32 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

#endif // !__LP64__