| /* |
| * 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 "web/WebPluginContainerImpl.h" |
| |
| #include "core/page/Chrome.h" |
| #include "core/page/EventHandler.h" |
| #include "platform/exported/WrappedResourceResponse.h" |
| #include "public/web/WebElement.h" |
| #include "public/web/WebInputEvent.h" |
| #include "public/web/WebPlugin.h" |
| #include "public/web/WebViewClient.h" |
| #include "web/ChromeClientImpl.h" |
| #include "web/ScrollbarGroup.h" |
| #include "web/WebDataSourceImpl.h" |
| #include "web/WebInputEventConversion.h" |
| #include "web/WebViewImpl.h" |
| |
| #include "bindings/v8/ScriptController.h" |
| #include "core/HTMLNames.h" |
| #include "core/clipboard/Clipboard.h" |
| #include "core/clipboard/DataObject.h" |
| #include "core/events/GestureEvent.h" |
| #include "core/events/KeyboardEvent.h" |
| #include "core/events/MouseEvent.h" |
| #include "core/events/TouchEvent.h" |
| #include "core/events/WheelEvent.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.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/page/Page.h" |
| #include "core/page/scrolling/ScrollingCoordinator.h" |
| #include "core/plugins/PluginOcclusionSupport.h" |
| #include "core/rendering/HitTestResult.h" |
| #include "core/rendering/RenderBox.h" |
| #include "core/rendering/RenderLayer.h" |
| #include "platform/HostWindow.h" |
| #include "platform/KeyboardCodes.h" |
| #include "platform/PlatformGestureEvent.h" |
| #include "platform/UserGestureIndicator.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/GraphicsLayer.h" |
| #include "platform/scroll/ScrollAnimator.h" |
| #include "platform/scroll/ScrollView.h" |
| #include "platform/scroll/ScrollbarTheme.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebClipboard.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebCursorInfo.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" |
| #include "public/web/WebPrintParams.h" |
| |
| using namespace WebCore; |
| |
| namespace blink { |
| |
| // 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->invalidatePaintRectangle(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); |
| // 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::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(); |
| else if (m_webPlugin) |
| m_webPlugin->containerDidDetachFromParent(); |
| } |
| |
| 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() |
| { |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame) |
| return 1.0; |
| return frame->pageZoomFactor(); |
| } |
| |
| void WebPluginContainerImpl::setWebLayer(WebLayer* layer) |
| { |
| if (m_webLayer == layer) |
| return; |
| |
| if (m_webLayer) |
| GraphicsLayer::unregisterContentsLayer(m_webLayer); |
| if (layer) |
| GraphicsLayer::registerContentsLayer(layer); |
| |
| // If either of the layers is null we need to switch between hardware |
| // and software compositing. |
| bool needsCompositingUpdate = !m_webLayer || !layer; |
| |
| m_webLayer = layer; |
| |
| if (!needsCompositingUpdate) |
| return; |
| |
| m_element->setNeedsCompositingUpdate(); |
| // Being composited or not affects the self painting layer bit |
| // on the RenderLayer. |
| if (RenderPart* renderer = m_element->renderPart()) { |
| ASSERT(renderer->hasLayer()); |
| renderer->layer()->updateSelfPaintingLayer(); |
| } |
| } |
| |
| 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) |
| { |
| if (gc->paintingDisabled()) |
| return true; |
| 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; |
| |
| blink::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() |
| { |
| LocalFrame* 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) |
| { |
| LocalFrame* 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); |
| v8::HandleScope handleScope(toIsolate(frame)); |
| v8::Local<v8::Value> result = frame->script().executeScriptInMainWorldAndReturnValue(ScriptSourceCode(script)); |
| |
| // Failure is reported as a null string. |
| if (result.IsEmpty() || !result->IsString()) |
| return WebString(); |
| return toCoreString(v8::Handle<v8::String>::Cast(result)); |
| } |
| |
| void WebPluginContainerImpl::loadFrameRequest(const WebURLRequest& request, const WebString& target, bool notifyNeeded, void* notifyData) |
| { |
| LocalFrame* 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(), 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) |
| { |
| LocalFrame* 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::ConfusingAndOftenMisusedDisallowShadowContent, 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->notifyLayoutUpdated(); |
| } |
| } |
| } |
| |
| 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::supportsInputMethod() const |
| { |
| return m_webPlugin->supportsInputMethod(); |
| } |
| |
| 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; |
| toChromeClientImpl(page->chrome().client()).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; |
| if (event->type() == EventTypeNames::gesturetapdown) |
| focusPlugin(); |
| 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() |
| { |
| LocalFrame& 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().renderView() 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().renderView()) { |
| // Take our element and get the clip rect from the enclosing layer and |
| // frame view. |
| clipRect.intersect( |
| m_element->document().view()->windowClipRectForFrameOwner(m_element)); |
| } |
| |
| return clipRect; |
| } |
| |
| bool WebPluginContainerImpl::pluginShouldPersist() const |
| { |
| return m_webPlugin->shouldPersist(); |
| } |
| |
| } // namespace blink |