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Diffstat (limited to 'webkit/api/src/WebPluginContainerImpl.cpp')
| -rw-r--r-- | webkit/api/src/WebPluginContainerImpl.cpp | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/webkit/api/src/WebPluginContainerImpl.cpp b/webkit/api/src/WebPluginContainerImpl.cpp deleted file mode 100644 index 43f3cef..0000000 --- a/webkit/api/src/WebPluginContainerImpl.cpp +++ /dev/null @@ -1,556 +0,0 @@ -/* - * 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 "WebCursorInfo.h" -#include "WebDataSourceImpl.h" -#include "WebInputEvent.h" -#include "WebInputEventConversion.h" -#include "WebKit.h" -#include "WebPlugin.h" -#include "WebRect.h" -#include "WebURLError.h" -#include "WebURLRequest.h" -#include "WebVector.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 "HostWindow.h" -#include "HTMLFormElement.h" -#include "HTMLNames.h" -#include "HTMLPlugInElement.h" -#include "KeyboardEvent.h" -#include "MouseEvent.h" -#include "Page.h" -#include "ScrollView.h" - -#if WEBKIT_USING_SKIA -#include "PlatformContextSkia.h" -#endif - -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->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 = parent(); - - // The plugin is positioned in window coordinates, so it needs to be painted - // in window coordinates. - 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; - - IntRect damageRect = convertToContainingWindow(rect); - - // Get our clip rect and intersect with it to ensure we don't invalidate - // too much. - IntRect clipRect = parent()->windowClipRect(); - damageRect.intersect(clipRect); - - parent()->hostWindow()->repaint(damageRect, true); -} - -void WebPluginContainerImpl::setFocus() -{ - Widget::setFocus(); - m_webPlugin->updateFocus(true); -} - -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; - - // 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(static_cast<MouseEvent*>(event)); - else if (event->isKeyboardEvent()) - handleKeyboardEvent(static_cast<KeyboardEvent*>(event)); -} - -void WebPluginContainerImpl::frameRectsChanged() -{ - Widget::frameRectsChanged(); - reportGeometry(); -} - -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(ScrollView* view) -{ - // 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(view); - if (view) - reportGeometry(); -} - -void WebPluginContainerImpl::invalidate() -{ - Widget::invalidate(); -} - -void WebPluginContainerImpl::invalidateRect(const WebRect& rect) -{ - invalidateRect(static_cast<IntRect>(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()); -} - -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); - - // 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) - 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. - WebPluginLoadObserver* observer = - new WebPluginLoadObserver(this, request.url(), notifyData); - m_pluginLoadObservers.append(observer); - WebDataSourceImpl::setNextPluginLoadObserver(observer); - } - - FrameLoadRequest frameRequest(request.toResourceRequest()); - frameRequest.setFrameName(target); - - frame->loader()->loadFrameRequest( - frameRequest, - false, // lock history - false, // lock back forward list - 0, // event - 0, // form state - SendReferrer); -} - -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); -} - -NPObject* WebPluginContainerImpl::scriptableObject() -{ - return m_webPlugin->scriptableObject(); -} - -void WebPluginContainerImpl::willDestroyPluginLoadObserver(WebPluginLoadObserver* observer) -{ - size_t pos = m_pluginLoadObservers.find(observer); - if (pos == notFound) - return; - m_pluginLoadObservers.remove(pos); -} - -// Private methods ------------------------------------------------------------- - -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()); - - // 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 = static_cast<FrameView*>(parent()); - - WebMouseEventBuilder webEvent(parentView, *event); - if (webEvent.type == WebInputEvent::Undefined) - return; - - if (event->type() == eventNames().mousedownEvent) { - // Ensure that the frame containing the plugin has focus. - Frame* containingFrame = parentView->frame(); - if (Page* currentPage = containingFrame->page()) - currentPage->focusController()->setFocusedFrame(containingFrame); - // Give focus to our containing HTMLPluginElement. - containingFrame->document()->setFocusedNode(m_element); - } - - WebCursorInfo cursorInfo; - bool handled = m_webPlugin->handleInputEvent(webEvent, cursorInfo); -#if !PLATFORM(DARWIN) - // TODO(pkasting): http://b/1119691 This conditional seems exactly - // backwards, but if I reverse it, giving focus to a transparent - // (windowless) plugin fails. - handled = !handled; - // TODO(awalker): oddly, the above is not true in Mac builds. Looking - // at Apple's corresponding code for Mac and Windows (PluginViewMac and - // PluginViewWin), setDefaultHandled() gets called when handleInputEvent() - // returns true, which then indicates to WebCore that the plugin wants to - // swallow the event--which is what we want. Calling setDefaultHandled() - // fixes several Mac Chromium bugs, but does indeed prevent windowless plugins - // from getting focus in Windows builds, as pkasting notes above. So for - // now, we only do so in Mac builds. -#endif - if (handled) - 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 = - static_cast<ChromeClientImpl*>(page->chrome()->client()); - chromeClient->setCursorForPlugin(cursorInfo); -} - -void WebPluginContainerImpl::handleKeyboardEvent(KeyboardEvent* event) -{ - WebKeyboardEventBuilder webEvent(*event); - if (webEvent.type == WebInputEvent::Undefined) - return; - - WebCursorInfo cursor_info; - bool handled = m_webPlugin->handleInputEvent(webEvent, cursor_info); -#if !PLATFORM(DARWIN) - // TODO(pkasting): http://b/1119691 See above. - handled = !handled; -#endif - if (handled) - event->setDefaultHandled(); -} - -void WebPluginContainerImpl::calculateGeometry(const IntRect& frameRect, - IntRect& windowRect, - IntRect& clipRect, - Vector<IntRect>& cutOutRects) -{ - windowRect = IntRect( - parent()->contentsToWindow(frameRect.location()), frameRect.size()); - - // Calculate a clip-rect so that we don't overlap the scrollbars, etc. - clipRect = windowClipRect(); - clipRect.move(-windowRect.x(), -windowRect.y()); - - windowCutOutRects(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. - if (m_element->renderer()->document()->renderer()) { - // Take our element and get the clip rect from the enclosing layer and - // frame view. - RenderLayer* layer = m_element->renderer()->enclosingLayer(); - clipRect.intersect( - m_element->document()->view()->windowClipRectForLayer(layer, true)); - } - - return clipRect; -} - -static void getObjectStack(const RenderObject* ro, - Vector<const RenderObject*>* roStack) -{ - roStack->clear(); - while (ro) { - roStack->append(ro); - ro = ro->parent(); - } -} - -// Returns true if stack1 is at or above stack2 -static bool checkStackOnTop( - const Vector<const RenderObject*>& iframeZstack, - const Vector<const RenderObject*>& pluginZstack) -{ - for (size_t i1 = 0, i2 = 0; - i1 < iframeZstack.size() && i2 < pluginZstack.size(); - i1++, i2++) { - // The root is at the end of these stacks. We want to iterate - // root-downwards so we index backwards from the end. - const RenderObject* ro1 = iframeZstack[iframeZstack.size() - 1 - i1]; - const RenderObject* ro2 = pluginZstack[pluginZstack.size() - 1 - i2]; - - if (ro1 != ro2) { - // When we find nodes in the stack that are not the same, then - // we've found the nodes just below the lowest comment ancestor. - // Determine which should be on top. - - // See if z-index determines an order. - if (ro1->style() && ro2->style()) { - int z1 = ro1->style()->zIndex(); - int z2 = ro2->style()->zIndex(); - if (z1 > z2) - return true; - if (z1 < z2) - return false; - } - - // For compatibility with IE: when the plugin is not positioned, - // it stacks behind the iframe, even if it's later in the - // document order. - if (ro2->style()->position() == StaticPosition) - return true; - - // Inspect the document order. Later order means higher - // stacking. - const RenderObject* parent = ro1->parent(); - if (!parent) - return false; - ASSERT(parent == ro2->parent()); - - for (const RenderObject* ro = parent->firstChild(); ro; ro = ro->nextSibling()) { - if (ro == ro1) - return false; - if (ro == ro2) - return true; - } - ASSERT(false); // We should have seen ro1 and ro2 by now. - return false; - } - } - return true; -} - -// Return a set of rectangles that should not be overdrawn by the -// plugin ("cutouts"). This helps implement the "iframe shim" -// technique of overlaying a windowed plugin with content from the -// page. In a nutshell, iframe elements should occlude plugins when -// they occur higher in the stacking order. -void WebPluginContainerImpl::windowCutOutRects(const IntRect& frameRect, - Vector<IntRect>& cutOutRects) -{ - RenderObject* pluginNode = m_element->renderer(); - ASSERT(pluginNode); - if (!pluginNode->style()) - return; - Vector<const RenderObject*> pluginZstack; - Vector<const RenderObject*> iframeZstack; - getObjectStack(pluginNode, &pluginZstack); - - // Get the parent widget - Widget* parentWidget = this->parent(); - if (!parentWidget->isFrameView()) - return; - - FrameView* parentFrameView = static_cast<FrameView*>(parentWidget); - - const HashSet<RefPtr<Widget> >* children = parentFrameView->children(); - for (HashSet<RefPtr<Widget> >::const_iterator it = children->begin(); it != children->end(); ++it) { - // We only care about FrameView's because iframes show up as FrameViews. - if (!(*it)->isFrameView()) - continue; - - const FrameView* frameView = - static_cast<const FrameView*>((*it).get()); - // Check to make sure we can get both the element and the RenderObject - // for this FrameView, if we can't just move on to the next object. - if (!frameView->frame() || !frameView->frame()->ownerElement() - || !frameView->frame()->ownerElement()->renderer()) - continue; - - HTMLElement* element = frameView->frame()->ownerElement(); - RenderObject* iframeRenderer = element->renderer(); - - if (element->hasTagName(HTMLNames::iframeTag) - && iframeRenderer->absoluteBoundingBoxRect().intersects(frameRect) - && (!iframeRenderer->style() || iframeRenderer->style()->visibility() == VISIBLE)) { - getObjectStack(iframeRenderer, &iframeZstack); - if (checkStackOnTop(iframeZstack, pluginZstack)) { - IntPoint point = - roundedIntPoint(iframeRenderer->localToAbsolute()); - RenderBox* rbox = toRenderBox(iframeRenderer); - IntSize size(rbox->width(), rbox->height()); - cutOutRects.append(IntRect(point, size)); - } - } - } -} - -} // namespace WebKit |