blob: 195399a9e2d7da12106f8a17f3a63ef22ff5fefb [file] [log] [blame]
/*
* Copyright (C) 2009 Google Inc. 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 Google Inc. 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.
*/
#include "config.h"
#include "WebPluginContainerImpl.h"
#include "ChromeClientImpl.h"
#include "ScrollbarGroup.h"
#include "WebCursorInfo.h"
#include "WebDataSourceImpl.h"
#include "WebElement.h"
#include "WebInputEvent.h"
#include "WebInputEventConversion.h"
#include "WebPlugin.h"
#include "WebViewClient.h"
#include "WebViewImpl.h"
#include "core/page/Chrome.h"
#include "core/page/EventHandler.h"
#include "core/platform/chromium/support/WrappedResourceResponse.h"
#include "HTMLNames.h"
#include "WebPrintParams.h"
#include "bindings/v8/ScriptController.h"
#include "core/dom/Clipboard.h"
#include "core/events/GestureEvent.h"
#include "core/events/KeyboardEvent.h"
#include "core/events/MouseEvent.h"
#include "core/events/ThreadLocalEventNames.h"
#include "core/events/TouchEvent.h"
#include "core/events/WheelEvent.h"
#include "core/html/HTMLFormElement.h"
#include "core/html/HTMLPlugInElement.h"
#include "core/loader/FormState.h"
#include "core/loader/FrameLoadRequest.h"
#include "core/page/FocusController.h"
#include "core/frame/Frame.h"
#include "core/frame/FrameView.h"
#include "core/page/Page.h"
#include "core/page/scrolling/ScrollingCoordinator.h"
#include "core/platform/ScrollAnimator.h"
#include "core/platform/ScrollView.h"
#include "core/platform/ScrollbarTheme.h"
#include "core/platform/chromium/ChromiumDataObject.h"
#include "core/platform/chromium/KeyboardCodes.h"
#include "core/platform/graphics/GraphicsContext.h"
#include "core/platform/graphics/GraphicsLayer.h"
#include "core/plugins/PluginOcclusionSupport.h"
#include "core/rendering/HitTestResult.h"
#include "core/rendering/RenderBox.h"
#include "platform/HostWindow.h"
#include "platform/PlatformGestureEvent.h"
#include "platform/UserGestureIndicator.h"
#include "public/platform/Platform.h"
#include "public/platform/WebClipboard.h"
#include "public/platform/WebCompositorSupport.h"
#include "public/platform/WebDragData.h"
#include "public/platform/WebExternalTextureLayer.h"
#include "public/platform/WebRect.h"
#include "public/platform/WebString.h"
#include "public/platform/WebURL.h"
#include "public/platform/WebURLError.h"
#include "public/platform/WebURLRequest.h"
#include "public/platform/WebVector.h"
using namespace WebCore;
namespace WebKit {
// Public methods --------------------------------------------------------------
void WebPluginContainerImpl::setFrameRect(const IntRect& frameRect)
{
Widget::setFrameRect(frameRect);
reportGeometry();
}
void WebPluginContainerImpl::paint(GraphicsContext* gc, const IntRect& damageRect)
{
if (gc->updatingControlTints() && m_scrollbarGroup) {
// See comment in FrameView::updateControlTints().
if (m_scrollbarGroup->horizontalScrollbar())
m_scrollbarGroup->horizontalScrollbar()->invalidate();
if (m_scrollbarGroup->verticalScrollbar())
m_scrollbarGroup->verticalScrollbar()->invalidate();
}
if (gc->paintingDisabled())
return;
if (!parent())
return;
// Don't paint anything if the plugin doesn't intersect the damage rect.
if (!frameRect().intersects(damageRect))
return;
gc->save();
ASSERT(parent()->isFrameView());
ScrollView* view = toScrollView(parent());
// The plugin is positioned in window coordinates, so it needs to be painted
// in window coordinates.
IntPoint origin = view->contentsToWindow(IntPoint(0, 0));
gc->translate(static_cast<float>(-origin.x()), static_cast<float>(-origin.y()));
WebCanvas* canvas = gc->canvas();
IntRect windowRect = view->contentsToWindow(damageRect);
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;
const WebInputEvent* currentInputEvent = WebViewImpl::currentInputEvent();
UserGestureIndicator gestureIndicator(currentInputEvent && WebInputEvent::isUserGestureEventType(currentInputEvent->type) ? DefinitelyProcessingNewUserGesture : PossiblyProcessingUserGesture);
RefPtr<WebPluginContainerImpl> protector(this);
// The events we pass are defined at:
// http://devedge-temp.mozilla.org/library/manuals/2002/plugin/1.0/structures5.html#1000000
// Don't take the documentation as truth, however. There are many cases
// where mozilla behaves differently than the spec.
if (event->isMouseEvent())
handleMouseEvent(toMouseEvent(event));
else if (event->isWheelEvent())
handleWheelEvent(toWheelEvent(event));
else if (event->isKeyboardEvent())
handleKeyboardEvent(toKeyboardEvent(event));
else if (event->isTouchEvent())
handleTouchEvent(toTouchEvent(event));
else if (event->isGestureEvent())
handleGestureEvent(toGestureEvent(event));
// FIXME: it would be cleaner if Widget::handleEvent returned true/false and
// HTMLPluginElement called setDefaultHandled or defaultEventHandler.
if (!event->defaultHandled())
m_element->Node::defaultEventHandler(event);
}
void WebPluginContainerImpl::frameRectsChanged()
{
Widget::frameRectsChanged();
reportGeometry();
}
void WebPluginContainerImpl::widgetPositionsUpdated()
{
Widget::widgetPositionsUpdated();
reportGeometry();
}
void WebPluginContainerImpl::clipRectChanged()
{
reportGeometry();
}
void WebPluginContainerImpl::eventListenersRemoved()
{
// We're no longer registered to receive touch events, so don't try to remove
// the touch event handlers in our destructor.
m_touchEventRequestType = TouchEventRequestTypeNone;
}
void WebPluginContainerImpl::setParentVisible(bool parentVisible)
{
// We override this function to make sure that geometry updates are sent
// over to the plugin. For e.g. when a plugin is instantiated it does not
// have a valid parent. As a result the first geometry update from webkit
// is ignored. This function is called when the plugin eventually gets a
// parent.
if (isParentVisible() == parentVisible)
return; // No change.
Widget::setParentVisible(parentVisible);
if (!isSelfVisible())
return; // This widget has explicitely been marked as not visible.
m_webPlugin->updateVisibility(isVisible());
}
void WebPluginContainerImpl::setParent(Widget* widget)
{
// We override this function so that if the plugin is windowed, we can call
// NPP_SetWindow at the first possible moment. This ensures that
// NPP_SetWindow is called before the manual load data is sent to a plugin.
// If this order is reversed, Flash won't load videos.
Widget::setParent(widget);
if (widget)
reportGeometry();
}
void WebPluginContainerImpl::setPlugin(WebPlugin* plugin)
{
if (plugin != m_webPlugin) {
m_element->resetInstance();
m_webPlugin = plugin;
}
}
float WebPluginContainerImpl::deviceScaleFactor()
{
Page* page = m_element->document().page();
if (!page)
return 1.0;
return page->deviceScaleFactor();
}
float WebPluginContainerImpl::pageScaleFactor()
{
Page* page = m_element->document().page();
if (!page)
return 1.0;
return page->pageScaleFactor();
}
float WebPluginContainerImpl::pageZoomFactor()
{
Frame* frame = m_element->document().frame();
if (!frame)
return 1.0;
return frame->pageZoomFactor();
}
void WebPluginContainerImpl::setWebLayer(WebLayer* layer)
{
if (m_webLayer == layer)
return;
// If anyone of the layers is null we need to switch between hardware
// and software compositing.
if (!m_webLayer || !layer)
m_element->scheduleLayerUpdate();
if (m_webLayer)
GraphicsLayer::unregisterContentsLayer(m_webLayer);
if (layer)
GraphicsLayer::registerContentsLayer(layer);
m_webLayer = layer;
}
bool WebPluginContainerImpl::supportsPaginatedPrint() const
{
return m_webPlugin->supportsPaginatedPrint();
}
bool WebPluginContainerImpl::isPrintScalingDisabled() const
{
return m_webPlugin->isPrintScalingDisabled();
}
int WebPluginContainerImpl::printBegin(const WebPrintParams& printParams) const
{
return m_webPlugin->printBegin(printParams);
}
bool WebPluginContainerImpl::printPage(int pageNumber,
WebCore::GraphicsContext* gc)
{
gc->save();
WebCanvas* canvas = gc->canvas();
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;
WebKit::Platform::current()->clipboard()->writeHTML(m_webPlugin->selectionAsMarkup(), WebURL(), m_webPlugin->selectionAsText(), false);
}
bool WebPluginContainerImpl::executeEditCommand(const WebString& name)
{
if (m_webPlugin->executeEditCommand(name))
return true;
if (name != "Copy")
return false;
copy();
return true;
}
bool WebPluginContainerImpl::executeEditCommand(const WebString& name, const WebString& value)
{
return m_webPlugin->executeEditCommand(name, value);
}
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 = toFrameView(parentWidget);
if (!parentFrameView->isOverlapped()) {
IntRect damageRect = convertToContainingWindow(static_cast<IntRect>(rect));
IntSize scrollDelta(dx, dy);
// scroll() only uses the second rectangle, clipRect, and ignores the first
// rectangle.
parent()->hostWindow()->scroll(scrollDelta, damageRect, damageRect);
return;
}
}
// Use slow scrolling instead.
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::allowScriptObjects()
{
}
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:")));
UserGestureIndicator gestureIndicator(popupsAllowed ? DefinitelyProcessingNewUserGesture : PossiblyProcessingUserGesture);
ScriptValue result = frame->script().executeScriptInMainWorldAndReturnValue(ScriptSourceCode(script));
// Failure is reported as a null string.
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; // FIXME: send a notification in this case?
if (notifyNeeded) {
// FIXME: This is a bit of hack to allow us to observe completion of
// our frame request. It would be better to evolve FrameLoader to
// support a completion callback instead.
OwnPtr<WebPluginLoadObserver> observer = adoptPtr(new WebPluginLoadObserver(this, request.url(), notifyData));
// FIXME: Calling get here is dangerous! What if observer is freed?
m_pluginLoadObservers.append(observer.get());
WebDataSourceImpl::setNextPluginLoadObserver(observer.release());
}
FrameLoadRequest frameRequest(frame->document()->securityOrigin(), request.toResourceRequest(), target);
UserGestureIndicator gestureIndicator(request.hasUserGesture() ? DefinitelyProcessingNewUserGesture : PossiblyProcessingUserGesture);
frame->loader().load(frameRequest);
}
void WebPluginContainerImpl::zoomLevelChanged(double zoomLevel)
{
WebViewImpl* view = WebViewImpl::fromPage(m_element->document().frame()->page());
view->fullFramePluginZoomLevelChanged(zoomLevel);
}
bool WebPluginContainerImpl::isRectTopmost(const WebRect& rect)
{
Frame* frame = m_element->document().frame();
if (!frame)
return false;
// hitTestResultAtPoint() takes a padding rectangle.
// FIXME: We'll be off by 1 when the width or height is even.
IntRect documentRect(x() + rect.x, y() + rect.y, rect.width, rect.height);
LayoutPoint center = documentRect.center();
// Make the rect we're checking (the point surrounded by padding rects) contained inside the requested rect. (Note that -1/2 is 0.)
LayoutSize padding((documentRect.width() - 1) / 2, (documentRect.height() - 1) / 2);
HitTestResult result = frame->eventHandler().hitTestResultAtPoint(center, HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::DisallowShadowContent, padding);
const HitTestResult::NodeSet& nodes = result.rectBasedTestResult();
if (nodes.size() != 1)
return false;
return nodes.first().get() == m_element;
}
void WebPluginContainerImpl::requestTouchEventType(TouchEventRequestType requestType)
{
if (m_touchEventRequestType == requestType)
return;
if (requestType != TouchEventRequestTypeNone && m_touchEventRequestType == TouchEventRequestTypeNone)
m_element->document().didAddTouchEventHandler(m_element);
else if (requestType == TouchEventRequestTypeNone && m_touchEventRequestType != TouchEventRequestTypeNone)
m_element->document().didRemoveTouchEventHandler(m_element);
m_touchEventRequestType = requestType;
}
void WebPluginContainerImpl::setWantsWheelEvents(bool wantsWheelEvents)
{
if (m_wantsWheelEvents == wantsWheelEvents)
return;
m_wantsWheelEvents = wantsWheelEvents;
if (Page* page = m_element->document().page()) {
if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator()) {
if (parent() && parent()->isFrameView())
scrollingCoordinator->frameViewLayoutUpdated(toFrameView(parent()));
}
}
}
WebPoint WebPluginContainerImpl::windowToLocalPoint(const WebPoint& point)
{
ScrollView* view = toScrollView(parent());
if (!view)
return point;
WebPoint windowPoint = view->windowToContents(point);
return roundedIntPoint(m_element->renderer()->absoluteToLocal(LayoutPoint(windowPoint), UseTransforms));
}
WebPoint WebPluginContainerImpl::localToWindowPoint(const WebPoint& point)
{
ScrollView* view = toScrollView(parent());
if (!view)
return point;
IntPoint absolutePoint = roundedIntPoint(m_element->renderer()->localToAbsolute(LayoutPoint(point), UseTransforms));
return view->contentsToWindow(absolutePoint);
}
void WebPluginContainerImpl::didReceiveResponse(const ResourceResponse& response)
{
// Make sure that the plugin receives window geometry before data, or else
// plugins misbehave.
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);
}
WebLayer* WebPluginContainerImpl::platformLayer() const
{
return m_webLayer;
}
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;
}
bool WebPluginContainerImpl::supportsKeyboardFocus() const
{
return m_webPlugin->supportsKeyboardFocus();
}
bool WebPluginContainerImpl::canProcessDrag() const
{
return m_webPlugin->canProcessDrag();
}
bool WebPluginContainerImpl::wantsWheelEvents()
{
return m_wantsWheelEvents;
}
void WebPluginContainerImpl::willDestroyPluginLoadObserver(WebPluginLoadObserver* observer)
{
size_t pos = m_pluginLoadObservers.find(observer);
if (pos == kNotFound)
return;
m_pluginLoadObservers.remove(pos);
}
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));
context->fillRect(intersection(horizontalOverhangArea, dirtyRect));
context->fillRect(intersection(verticalOverhangArea, dirtyRect));
context->restore();
return true;
}
// Private methods -------------------------------------------------------------
WebPluginContainerImpl::WebPluginContainerImpl(WebCore::HTMLPlugInElement* element, WebPlugin* webPlugin)
: m_element(element)
, m_webPlugin(webPlugin)
, m_webLayer(0)
, m_touchEventRequestType(TouchEventRequestTypeNone)
, m_wantsWheelEvents(false)
{
}
WebPluginContainerImpl::~WebPluginContainerImpl()
{
if (m_touchEventRequestType != TouchEventRequestTypeNone)
m_element->document().didRemoveTouchEventHandler(m_element);
for (size_t i = 0; i < m_pluginLoadObservers.size(); ++i)
m_pluginLoadObservers[i]->clearPluginContainer();
m_webPlugin->destroy();
if (m_webLayer)
GraphicsLayer::unregisterContentsLayer(m_webLayer);
}
void WebPluginContainerImpl::handleMouseEvent(MouseEvent* event)
{
ASSERT(parent()->isFrameView());
if (event->isDragEvent()) {
if (m_webPlugin->canProcessDrag())
handleDragEvent(event);
return;
}
// We cache the parent FrameView here as the plugin widget could be deleted
// in the call to HandleEvent. See http://b/issue?id=1362948
FrameView* parentView = toFrameView(parent());
WebMouseEventBuilder webEvent(this, m_element->renderer(), *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
if (event->type() == EventTypeNames::mousedown)
focusPlugin();
if (m_scrollbarGroup) {
// This needs to be set before the other callbacks in this scope, since
// the scroll animator class might query the position in response.
m_scrollbarGroup->setLastMousePosition(IntPoint(event->x(), event->y()));
if (event->type() == EventTypeNames::mousemove)
m_scrollbarGroup->scrollAnimator()->mouseMovedInContentArea();
else if (event->type() == EventTypeNames::mouseover)
m_scrollbarGroup->scrollAnimator()->mouseEnteredContentArea();
else if (event->type() == EventTypeNames::mouseout)
m_scrollbarGroup->scrollAnimator()->mouseExitedContentArea();
}
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
// A windowless plugin can change the cursor in response to a mouse move
// event. We need to reflect the changed cursor in the frame view as the
// mouse is moved in the boundaries of the windowless plugin.
Page* page = parentView->frame().page();
if (!page)
return;
ChromeClientImpl* chromeClient = toChromeClientImpl(page->chrome().client());
chromeClient->setCursorForPlugin(cursorInfo);
}
void WebPluginContainerImpl::handleDragEvent(MouseEvent* event)
{
ASSERT(event->isDragEvent());
WebDragStatus dragStatus = WebDragStatusUnknown;
if (event->type() == EventTypeNames::dragenter)
dragStatus = WebDragStatusEnter;
else if (event->type() == EventTypeNames::dragleave)
dragStatus = WebDragStatusLeave;
else if (event->type() == EventTypeNames::dragover)
dragStatus = WebDragStatusOver;
else if (event->type() == EventTypeNames::drop)
dragStatus = WebDragStatusDrop;
if (dragStatus == WebDragStatusUnknown)
return;
Clipboard* clipboard = event->dataTransfer();
WebDragData dragData = clipboard->dataObject();
WebDragOperationsMask dragOperationMask = static_cast<WebDragOperationsMask>(clipboard->sourceOperation());
WebPoint dragScreenLocation(event->screenX(), event->screenY());
WebPoint dragLocation(event->absoluteLocation().x() - location().x(), event->absoluteLocation().y() - location().y());
m_webPlugin->handleDragStatusUpdate(dragStatus, dragData, dragOperationMask, dragLocation, dragScreenLocation);
}
void WebPluginContainerImpl::handleWheelEvent(WheelEvent* event)
{
WebMouseWheelEventBuilder webEvent(this, m_element->renderer(), *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(MACOSX)
if (webEvent.modifiers == WebInputEvent::MetaKey
#else
if (webEvent.modifiers == WebInputEvent::ControlKey
#endif
&& webEvent.windowsKeyCode == VKEY_C
// Only copy if there's a selection, so that we only ever do this
// for Pepper plugins that support copying. Windowless NPAPI
// plugins will get the event as before.
&& m_webPlugin->hasSelection()) {
copy();
event->setDefaultHandled();
return;
}
}
const WebInputEvent* currentInputEvent = WebViewImpl::currentInputEvent();
// Copy stashed info over, and only copy here in order not to interfere
// the ctrl-c logic above.
if (currentInputEvent
&& WebInputEvent::isKeyboardEventType(currentInputEvent->type)) {
webEvent.modifiers |= currentInputEvent->modifiers &
(WebInputEvent::CapsLockOn | WebInputEvent::NumLockOn);
}
// Give the client a chance to issue edit comamnds.
WebViewImpl* view = WebViewImpl::fromPage(m_element->document().frame()->page());
if (m_webPlugin->supportsEditCommands() && view->client())
view->client()->handleCurrentKeyboardEvent();
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
}
void WebPluginContainerImpl::handleTouchEvent(TouchEvent* event)
{
switch (m_touchEventRequestType) {
case TouchEventRequestTypeNone:
return;
case TouchEventRequestTypeRaw: {
WebTouchEventBuilder webEvent(this, m_element->renderer(), *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
if (event->type() == EventTypeNames::touchstart)
focusPlugin();
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
// FIXME: Can a plugin change the cursor from a touch-event callback?
return;
}
case TouchEventRequestTypeSynthesizedMouse:
synthesizeMouseEventIfPossible(event);
return;
}
}
static inline bool gestureScrollHelper(ScrollbarGroup* scrollbarGroup, ScrollDirection positiveDirection, ScrollDirection negativeDirection, float delta)
{
if (!delta)
return false;
float absDelta = delta > 0 ? delta : -delta;
return scrollbarGroup->scroll(delta < 0 ? negativeDirection : positiveDirection, ScrollByPrecisePixel, absDelta);
}
void WebPluginContainerImpl::handleGestureEvent(GestureEvent* event)
{
WebGestureEventBuilder webEvent(this, m_element->renderer(), *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo)) {
event->setDefaultHandled();
return;
}
if (webEvent.type == WebInputEvent::GestureScrollUpdate || webEvent.type == WebInputEvent::GestureScrollUpdateWithoutPropagation) {
if (!m_scrollbarGroup)
return;
if (gestureScrollHelper(m_scrollbarGroup.get(), ScrollLeft, ScrollRight, webEvent.data.scrollUpdate.deltaX))
event->setDefaultHandled();
if (gestureScrollHelper(m_scrollbarGroup.get(), ScrollUp, ScrollDown, webEvent.data.scrollUpdate.deltaY))
event->setDefaultHandled();
}
// FIXME: Can a plugin change the cursor from a touch-event callback?
}
void WebPluginContainerImpl::synthesizeMouseEventIfPossible(TouchEvent* event)
{
WebMouseEventBuilder webEvent(this, m_element->renderer(), *event);
if (webEvent.type == WebInputEvent::Undefined)
return;
WebCursorInfo cursorInfo;
if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
event->setDefaultHandled();
}
void WebPluginContainerImpl::focusPlugin()
{
Frame& containingFrame = toFrameView(parent())->frame();
if (Page* currentPage = containingFrame.page())
currentPage->focusController().setFocusedElement(m_element, &containingFrame);
else
containingFrame.document()->setFocusedElement(m_element);
}
void WebPluginContainerImpl::calculateGeometry(const IntRect& frameRect,
IntRect& windowRect,
IntRect& clipRect,
Vector<IntRect>& cutOutRects)
{
windowRect = toScrollView(parent())->contentsToWindow(frameRect);
// Calculate a clip-rect so that we don't overlap the scrollbars, etc.
clipRect = windowClipRect();
clipRect.move(-windowRect.x(), -windowRect.y());
getPluginOcclusions(m_element, this->parent(), frameRect, cutOutRects);
// Convert to the plugin position.
for (size_t i = 0; i < cutOutRects.size(); i++)
cutOutRects[i].move(-frameRect.x(), -frameRect.y());
}
WebCore::IntRect WebPluginContainerImpl::windowClipRect() const
{
// Start by clipping to our bounds.
IntRect clipRect =
convertToContainingWindow(IntRect(0, 0, width(), height()));
// document().renderer() can be 0 when we receive messages from the
// plugins while we are destroying a frame.
// FIXME: Can we just check m_element->document().isActive() ?
if (m_element->renderer()->document().renderer()) {
// Take our element and get the clip rect from the enclosing layer and
// frame view.
clipRect.intersect(
m_element->document().view()->windowClipRectForFrameOwner(m_element, true));
}
return clipRect;
}
} // namespace WebKit