WebPluginContainerImpl.cpp [plain text]
#include "config.h"
#include "WebPluginContainerImpl.h"
#include "Chrome.h"
#include "ChromeClientImpl.h"
#include "ScrollbarGroup.h"
#include "platform/WebClipboard.h"
#include "WebCursorInfo.h"
#include "WebDataSourceImpl.h"
#include "WebElement.h"
#include "WebInputEvent.h"
#include "WebInputEventConversion.h"
#include "WebKit.h"
#include "platform/WebKitPlatformSupport.h"
#include "WebPlugin.h"
#include "platform/WebRect.h"
#include "platform/WebString.h"
#include "platform/WebURL.h"
#include "platform/WebURLError.h"
#include "platform/WebURLRequest.h"
#include "platform/WebVector.h"
#include "WebViewImpl.h"
#include "WrappedResourceResponse.h"
#include "EventNames.h"
#include "FocusController.h"
#include "FormState.h"
#include "Frame.h"
#include "FrameLoadRequest.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "HitTestResult.h"
#include "HostWindow.h"
#include "HTMLFormElement.h"
#include "HTMLNames.h"
#include "HTMLPlugInElement.h"
#include "IFrameShimSupport.h"
#include "KeyboardCodes.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "Page.h"
#include "RenderBox.h"
#include "ScrollAnimator.h"
#include "ScrollView.h"
#include "ScrollbarTheme.h"
#include "UserGestureIndicator.h"
#include "WheelEvent.h"
#if ENABLE(GESTURE_EVENTS)
#include "PlatformGestureEvent.h"
#endif
#if WEBKIT_USING_SKIA
#include "PlatformContextSkia.h"
#endif
using namespace WebCore;
namespace WebKit {
void WebPluginContainerImpl::setFrameRect(const IntRect& frameRect)
{
Widget::setFrameRect(frameRect);
reportGeometry();
}
void WebPluginContainerImpl::paint(GraphicsContext* gc, const IntRect& damageRect)
{
if (gc->updatingControlTints() && m_scrollbarGroup) {
if (m_scrollbarGroup->horizontalScrollbar())
m_scrollbarGroup->horizontalScrollbar()->invalidate();
if (m_scrollbarGroup->verticalScrollbar())
m_scrollbarGroup->verticalScrollbar()->invalidate();
}
if (gc->paintingDisabled())
return;
if (!parent())
return;
if (!frameRect().intersects(damageRect))
return;
gc->save();
ASSERT(parent()->isFrameView());
ScrollView* view = parent();
IntPoint origin = view->windowToContents(IntPoint(0, 0));
gc->translate(static_cast<float>(origin.x()), static_cast<float>(origin.y()));
#if WEBKIT_USING_SKIA
WebCanvas* canvas = gc->platformContext()->canvas();
#elif WEBKIT_USING_CG
WebCanvas* canvas = gc->platformContext();
#endif
IntRect windowRect =
IntRect(view->contentsToWindow(damageRect.location()), damageRect.size());
m_webPlugin->paint(canvas, windowRect);
gc->restore();
}
void WebPluginContainerImpl::invalidateRect(const IntRect& rect)
{
if (!parent())
return;
RenderBox* renderer = toRenderBox(m_element->renderer());
IntRect dirtyRect = rect;
dirtyRect.move(renderer->borderLeft() + renderer->paddingLeft(),
renderer->borderTop() + renderer->paddingTop());
renderer->repaintRectangle(dirtyRect);
}
void WebPluginContainerImpl::setFocus(bool focused)
{
Widget::setFocus(focused);
m_webPlugin->updateFocus(focused);
}
void WebPluginContainerImpl::show()
{
setSelfVisible(true);
m_webPlugin->updateVisibility(true);
Widget::show();
}
void WebPluginContainerImpl::hide()
{
setSelfVisible(false);
m_webPlugin->updateVisibility(false);
Widget::hide();
}
void WebPluginContainerImpl::handleEvent(Event* event)
{
if (!m_webPlugin->acceptsInputEvents())
return;
RefPtr<WebPluginContainerImpl> protector(this);
if (event->isMouseEvent())
handleMouseEvent(static_cast<MouseEvent*>(event));
else if (event->hasInterface(eventNames().interfaceForWheelEvent))
handleWheelEvent(static_cast<WheelEvent*>(event));
else if (event->isKeyboardEvent())
handleKeyboardEvent(static_cast<KeyboardEvent*>(event));
if (!event->defaultHandled())
m_element->Node::defaultEventHandler(event);
}
void WebPluginContainerImpl::frameRectsChanged()
{
Widget::frameRectsChanged();
reportGeometry();
}
void WebPluginContainerImpl::widgetPositionsUpdated()
{
Widget::widgetPositionsUpdated();
reportGeometry();
}
void WebPluginContainerImpl::setParentVisible(bool parentVisible)
{
if (isParentVisible() == parentVisible)
return;
Widget::setParentVisible(parentVisible);
if (!isSelfVisible())
return;
m_webPlugin->updateVisibility(isVisible());
}
void WebPluginContainerImpl::setParent(ScrollView* view)
{
Widget::setParent(view);
if (view)
reportGeometry();
}
bool WebPluginContainerImpl::supportsPaginatedPrint() const
{
return m_webPlugin->supportsPaginatedPrint();
}
bool WebPluginContainerImpl::isPrintScalingDisabled() const
{
return m_webPlugin->isPrintScalingDisabled();
}
int WebPluginContainerImpl::printBegin(const IntRect& printableArea,
int printerDPI) const
{
return m_webPlugin->printBegin(printableArea, printerDPI);
}
bool WebPluginContainerImpl::printPage(int pageNumber,
WebCore::GraphicsContext* gc)
{
gc->save();
#if WEBKIT_USING_SKIA
WebCanvas* canvas = gc->platformContext()->canvas();
#elif WEBKIT_USING_CG
WebCanvas* canvas = gc->platformContext();
#endif
bool ret = m_webPlugin->printPage(pageNumber, canvas);
gc->restore();
return ret;
}
void WebPluginContainerImpl::printEnd()
{
m_webPlugin->printEnd();
}
void WebPluginContainerImpl::copy()
{
if (!m_webPlugin->hasSelection())
return;
webKitPlatformSupport()->clipboard()->writeHTML(m_webPlugin->selectionAsMarkup(), WebURL(), m_webPlugin->selectionAsText(), false);
}
WebElement WebPluginContainerImpl::element()
{
return WebElement(m_element);
}
void WebPluginContainerImpl::invalidate()
{
Widget::invalidate();
}
void WebPluginContainerImpl::invalidateRect(const WebRect& rect)
{
invalidateRect(static_cast<IntRect>(rect));
}
void WebPluginContainerImpl::scrollRect(int dx, int dy, const WebRect& rect)
{
Widget* parentWidget = parent();
if (parentWidget->isFrameView()) {
FrameView* parentFrameView = static_cast<FrameView*>(parentWidget);
if (!parentFrameView->isOverlapped()) {
IntRect damageRect = convertToContainingWindow(static_cast<IntRect>(rect));
IntSize scrollDelta(dx, dy);
parent()->hostWindow()->scroll(scrollDelta, damageRect, damageRect);
return;
}
}
invalidateRect(rect);
}
void WebPluginContainerImpl::reportGeometry()
{
if (!parent())
return;
IntRect windowRect, clipRect;
Vector<IntRect> cutOutRects;
calculateGeometry(frameRect(), windowRect, clipRect, cutOutRects);
m_webPlugin->updateGeometry(windowRect, clipRect, cutOutRects, isVisible());
if (m_scrollbarGroup) {
m_scrollbarGroup->scrollAnimator()->contentsResized();
m_scrollbarGroup->setFrameRect(frameRect());
}
}
void WebPluginContainerImpl::setBackingTextureId(unsigned textureId)
{
#if USE(ACCELERATED_COMPOSITING)
if (m_textureId == textureId)
return;
ASSERT(m_ioSurfaceLayer.isNull());
if (m_textureLayer.isNull())
m_textureLayer = WebExternalTextureLayer::create();
m_textureLayer.setTextureId(textureId);
if (!m_textureId || !textureId)
m_element->setNeedsStyleRecalc(WebCore::SyntheticStyleChange);
m_textureId = textureId;
#endif
}
void WebPluginContainerImpl::setBackingIOSurfaceId(int width,
int height,
uint32_t ioSurfaceId)
{
#if USE(ACCELERATED_COMPOSITING)
if (ioSurfaceId == m_ioSurfaceId)
return;
ASSERT(m_textureLayer.isNull());
if (m_ioSurfaceLayer.isNull())
m_ioSurfaceLayer = WebIOSurfaceLayer::create();
m_ioSurfaceLayer.setIOSurfaceProperties(ioSurfaceId, WebSize(width, height));
if (!ioSurfaceId || !m_ioSurfaceId)
m_element->setNeedsStyleRecalc(WebCore::SyntheticStyleChange);
m_ioSurfaceId = ioSurfaceId;
#endif
}
void WebPluginContainerImpl::commitBackingTexture()
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_textureLayer.isNull())
m_textureLayer.invalidate();
if (!m_ioSurfaceLayer.isNull())
m_ioSurfaceLayer.invalidate();
#endif
}
void WebPluginContainerImpl::clearScriptObjects()
{
Frame* frame = m_element->document()->frame();
if (!frame)
return;
frame->script()->cleanupScriptObjectsForPlugin(this);
}
NPObject* WebPluginContainerImpl::scriptableObjectForElement()
{
return m_element->getNPObject();
}
WebString WebPluginContainerImpl::executeScriptURL(const WebURL& url, bool popupsAllowed)
{
Frame* frame = m_element->document()->frame();
if (!frame)
return WebString();
const KURL& kurl = url;
ASSERT(kurl.protocolIs("javascript"));
String script = decodeURLEscapeSequences(
kurl.string().substring(strlen("javascript:")));
ScriptValue result = frame->script()->executeScript(script, popupsAllowed);
String resultStr;
result.getString(resultStr);
return resultStr;
}
void WebPluginContainerImpl::loadFrameRequest(const WebURLRequest& request, const WebString& target, bool notifyNeeded, void* notifyData)
{
Frame* frame = m_element->document()->frame();
if (!frame || !frame->loader()->documentLoader())
return;
if (notifyNeeded) {
OwnPtr<WebPluginLoadObserver> observer = adoptPtr(new WebPluginLoadObserver(this, request.url(), notifyData));
m_pluginLoadObservers.append(observer.get());
WebDataSourceImpl::setNextPluginLoadObserver(observer.release());
}
FrameLoadRequest frameRequest(frame->document()->securityOrigin(), request.toResourceRequest(), target);
UserGestureIndicator gestureIndicator(request.hasUserGesture() ? DefinitelyProcessingUserGesture : PossiblyProcessingUserGesture);
frame->loader()->loadFrameRequest(frameRequest, false, false, 0, 0, MaybeSendReferrer);
}
void WebPluginContainerImpl::zoomLevelChanged(double zoomLevel)
{
WebViewImpl* view = WebViewImpl::fromPage(m_element->document()->frame()->page());
view->fullFramePluginZoomLevelChanged(zoomLevel);
}
void WebPluginContainerImpl::setOpaque(bool opaque)
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_textureLayer.isNull())
m_textureLayer.setOpaque(opaque);
if (!m_ioSurfaceLayer.isNull())
m_ioSurfaceLayer.setOpaque(opaque);
#endif
}
bool WebPluginContainerImpl::isRectTopmost(const WebRect& rect)
{
Page* page = m_element->document()->page();
if (!page)
return false;
IntRect documentRect(x() + rect.x, y() + rect.y, rect.width, rect.height);
LayoutPoint center = documentRect.center();
LayoutSize padding((documentRect.width() - 1) / 2, (documentRect.height() - 1) / 2);
HitTestResult result =
page->mainFrame()->eventHandler()->hitTestResultAtPoint(center, false, false, DontHitTestScrollbars, HitTestRequest::ReadOnly | HitTestRequest::Active, padding);
const HitTestResult::NodeSet& nodes = result.rectBasedTestResult();
if (nodes.size() != 1)
return false;
return (nodes.first().get() == m_element);
}
void WebPluginContainerImpl::didReceiveResponse(const ResourceResponse& response)
{
frameRectsChanged();
WrappedResourceResponse urlResponse(response);
m_webPlugin->didReceiveResponse(urlResponse);
}
void WebPluginContainerImpl::didReceiveData(const char *data, int dataLength)
{
m_webPlugin->didReceiveData(data, dataLength);
}
void WebPluginContainerImpl::didFinishLoading()
{
m_webPlugin->didFinishLoading();
}
void WebPluginContainerImpl::didFailLoading(const ResourceError& error)
{
m_webPlugin->didFailLoading(error);
}
NPObject* WebPluginContainerImpl::scriptableObject()
{
return m_webPlugin->scriptableObject();
}
bool WebPluginContainerImpl::getFormValue(String& value)
{
WebString webValue;
if (m_webPlugin->getFormValue(webValue)) {
value = webValue;
return true;
}
return false;
}
void WebPluginContainerImpl::willDestroyPluginLoadObserver(WebPluginLoadObserver* observer)
{
size_t pos = m_pluginLoadObservers.find(observer);
if (pos == notFound)
return;
m_pluginLoadObservers.remove(pos);
}
#if USE(ACCELERATED_COMPOSITING)
WebCore::LayerChromium* WebPluginContainerImpl::platformLayer() const
{
if (m_textureId)
return m_textureLayer.unwrap<LayerChromium>();
if (m_ioSurfaceId)
return m_ioSurfaceLayer.unwrap<LayerChromium>();
return 0;
}
#endif
ScrollbarGroup* WebPluginContainerImpl::scrollbarGroup()
{
if (!m_scrollbarGroup)
m_scrollbarGroup = adoptPtr(new ScrollbarGroup(m_element->document()->frame()->view(), frameRect()));
return m_scrollbarGroup.get();
}
void WebPluginContainerImpl::willStartLiveResize()
{
if (m_scrollbarGroup)
m_scrollbarGroup->willStartLiveResize();
}
void WebPluginContainerImpl::willEndLiveResize()
{
if (m_scrollbarGroup)
m_scrollbarGroup->willEndLiveResize();
}
bool WebPluginContainerImpl::paintCustomOverhangArea(GraphicsContext* context, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect)
{
context->save();
context->setFillColor(Color(0xCC, 0xCC, 0xCC), ColorSpaceDeviceRGB);
context->fillRect(intersection(horizontalOverhangArea, dirtyRect));
context->fillRect(intersection(verticalOverhangArea, dirtyRect));
context->restore();
return true;
}
WebPluginContainerImpl::WebPluginContainerImpl(WebCore::HTMLPlugInElement* element, WebPlugin* webPlugin)
: WebCore::PluginViewBase(0)
, m_element(element)
, m_webPlugin(webPlugin)
#if USE(ACCELERATED_COMPOSITING)
, m_textureId(0)
, m_ioSurfaceId(0)
#endif
{
}
WebPluginContainerImpl::~WebPluginContainerImpl()
{
for (size_t i = 0; i < m_pluginLoadObservers.size(); ++i)
m_pluginLoadObservers[i]->clearPluginContainer();
m_webPlugin->destroy();
}
void WebPluginContainerImpl::handleMouseEvent(MouseEvent* event)
{
ASSERT(parent()->isFrameView());
FrameView* parentView = static_cast<FrameView*>(parent());
WebMouseEventBuilder webEvent(this, *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
if (event->type() == eventNames().mousedownEvent) {
Frame* containingFrame = parentView->frame();
if (Page* currentPage = containingFrame->page())
currentPage->focusController()->setFocusedNode(m_element, containingFrame);
else
containingFrame->document()->setFocusedNode(m_element);
}
if (m_scrollbarGroup) {
m_scrollbarGroup->setLastMousePosition(IntPoint(event->x(), event->y()));
if (event->type() == eventNames().mousemoveEvent)
m_scrollbarGroup->scrollAnimator()->mouseMovedInContentArea();
else if (event->type() == eventNames().mouseoverEvent)
m_scrollbarGroup->scrollAnimator()->mouseEnteredContentArea();
else if (event->type() == eventNames().mouseoutEvent)
m_scrollbarGroup->scrollAnimator()->mouseExitedContentArea();
}
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
Page* page = parentView->frame()->page();
if (!page)
return;
ChromeClientImpl* chromeClient =
static_cast<ChromeClientImpl*>(page->chrome()->client());
chromeClient->setCursorForPlugin(cursorInfo);
}
void WebPluginContainerImpl::handleWheelEvent(WheelEvent* event)
{
WebMouseWheelEventBuilder webEvent(this, *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
}
void WebPluginContainerImpl::handleKeyboardEvent(KeyboardEvent* event)
{
WebKeyboardEventBuilder webEvent(*event);
if (webEvent.type == WebInputEvent::Undefined)
return;
if (webEvent.type == WebInputEvent::KeyDown) {
#if OS(DARWIN)
if (webEvent.modifiers == WebInputEvent::MetaKey
#else
if (webEvent.modifiers == WebInputEvent::ControlKey
#endif
&& webEvent.windowsKeyCode == VKEY_C
&& m_webPlugin->hasSelection()) {
copy();
event->setDefaultHandled();
return;
}
}
const WebInputEvent* currentInputEvent = WebViewImpl::currentInputEvent();
if (currentInputEvent
&& WebInputEvent::isKeyboardEventType(currentInputEvent->type)) {
webEvent.modifiers |= currentInputEvent->modifiers &
(WebInputEvent::CapsLockOn | WebInputEvent::NumLockOn);
}
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
}
void WebPluginContainerImpl::calculateGeometry(const IntRect& frameRect,
IntRect& windowRect,
IntRect& clipRect,
Vector<IntRect>& cutOutRects)
{
windowRect = IntRect(
parent()->contentsToWindow(frameRect.location()), frameRect.size());
clipRect = windowClipRect();
clipRect.move(-windowRect.x(), -windowRect.y());
getPluginOcclusions(m_element, this->parent(), frameRect, cutOutRects);
for (size_t i = 0; i < cutOutRects.size(); i++)
cutOutRects[i].move(-frameRect.x(), -frameRect.y());
}
WebCore::IntRect WebPluginContainerImpl::windowClipRect() const
{
IntRect clipRect =
convertToContainingWindow(IntRect(0, 0, width(), height()));
if (m_element->renderer()->document()->renderer()) {
RenderLayer* layer = m_element->renderer()->enclosingLayer();
clipRect.intersect(
m_element->document()->view()->windowClipRectForLayer(layer, true));
}
return clipRect;
}
}