webkit/api/src/WebPluginContainerImpl.cpp - Issue 385057: Deleted webkit/api which now lives in webkit.org

Unified Diff: webkit/api/src/WebPluginContainerImpl.cpp

Issue 385057: Deleted webkit/api which now lives in webkit.org (Closed)

Patch Set: Created 11 years, 1 month ago

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Index: webkit/api/src/WebPluginContainerImpl.cpp

diff --git a/webkit/api/src/WebPluginContainerImpl.cpp b/webkit/api/src/WebPluginContainerImpl.cpp

deleted file mode 100644

index 43f3cef6c80fb714bd0ccea2072b273ccc4e505c..0000000000000000000000000000000000000000

--- a/webkit/api/src/WebPluginContainerImpl.cpp

+++ /dev/null

@@ -1,556 +0,0 @@

-/*

- *

- * 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

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