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/*
* Copyright (C) 2006, 2007 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 <windows.h>
#pragma warning(push, 0)
#include "Document.h"
#include "EditorClient.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "FrameLoadRequest.h"
#include "FramePrivate.h"
#include "FrameView.h"
#include "Frame.h"
#include "FrameWin.h"
#include "NotImplemented.h"
#include "RenderView.h"
#if USE(JAVASCRIPTCORE_BINDINGS)
#include "JSLock.h"
#include "kjs_proxy.h"
#include "kjs_window.h"
#include "NP_jsobject.h"
#include "NotImplemented.h"
#include "bindings/npruntime.h"
#endif
#if USE(V8_BINDING)
#include "v8_npobject.h"
#include "npruntime_priv.h"
#endif
#include "Page.h"
#include "RenderFrame.h"
#include "ResourceHandle.h"
#if USE(JAVASCRIPTCORE_BINDINGS)
#include "runtime_root.h"
#include "runtime.h"
#endif
#include "Settings.h"
#include "TextResourceDecoder.h"
#include "webkit/glue/webplugin_impl.h"
#pragma warning(pop)
// So we can twiddle event member vars
#define private public
#include "PlatformKeyboardEvent.h"
#undef private
#include "webkit/glue/cache_manager.h"
namespace WebCore {
void Frame::clearPlatformScriptObjects()
{
}
#if USE(JAVASCRIPTCORE_BINDINGS) || USE(V8_BINDING)
JSInstance Frame::createScriptInstanceForWidget(Widget* widget)
{
ASSERT(widget != 0);
if (widget->isFrameView())
return JSInstanceHolder::EmptyInstance();
// Note: We have to trust that the widget passed to us here
// is a WebPluginImpl. There isn't a way to dynamically verify
// it, since the derived class (Widget) has no identifier.
WebPluginContainer* container = static_cast<WebPluginContainer*>(widget);
if (!container)
return JSInstanceHolder::EmptyInstance();
NPObject *npObject = container->GetPluginScriptableObject();
if (!npObject)
return JSInstanceHolder::EmptyInstance();
#if USE(JAVASCRIPTCORE_BINDINGS)
// Register 'widget' with the frame so that we can teardown
// subobjects when the container goes away.
RefPtr<KJS::Bindings::RootObject> root =
createRootObject(widget, scriptProxy()->globalObject());
KJS::Bindings::Instance *instance =
KJS::Bindings::Instance::createBindingForLanguageInstance(
KJS::Bindings::Instance::CLanguage, npObject,
root.release());
// GetPluginScriptableObject returns a retained NPObject.
// The caller is expected to release it.
NPN_ReleaseObject(npObject);
return instance;
#else
// Frame Memory Management for NPObjects
// -------------------------------------
// NPObjects are treated differently than other objects wrapped by JS.
// NPObjects are not Peerable, and cannot be made peerable, since NPObjects
// can be created either by the browser (e.g. the main window object) or by
// the plugin (the main plugin object for a HTMLEmbedElement). Further,
// unlike most DOM Objects, the frame is especially careful to ensure
// NPObjects terminate at frame teardown because if a plugin leaks a
// reference, it could leak its objects (or the browser's objects).
//
// The Frame maintains a list of plugin objects (m_pluginObjects)
// which it can use to quickly find the wrapped embed object.
//
// Inside the NPRuntime, we've added a few methods for registering
// wrapped NPObjects. The purpose of the registration is because
// javascript garbage collection is non-deterministic, yet we need to
// be able to tear down the plugin objects immediately. When an object
// is registered, javascript can use it. When the object is destroyed,
// or when the object's "owning" object is destroyed, the object will
// be un-registered, and the javascript engine must not use it.
//
// Inside the javascript engine, the engine can keep a reference to the
// NPObject as part of its wrapper. However, before accessing the object
// it must consult the NPN_Registry.
v8::Local<v8::Object> wrapper = CreateV8ObjectForNPObject(npObject, NULL);
// Track the plugin object. We've been given a reference to the object.
d->m_pluginObjects.set(widget, npObject);
JSInstance instance = wrapper;
return instance;
#endif
}
#endif // JAVASCRIPTCORE_BINDINGS
void computePageRectsForFrame(WebCore::Frame* frame, const WebCore::IntRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, Vector<IntRect>& pages, int& outPageHeight)
{
ASSERT(frame);
pages.clear();
outPageHeight = 0;
if (!frame->document() || !frame->view() || !frame->document()->renderer())
return;
RenderView* root = static_cast<RenderView *>(frame->document()->renderer());
if (!root) {
LOG_ERROR("document to be printed has no renderer");
return;
}
if (userScaleFactor <= 0) {
LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
return;
}
float ratio = static_cast<float>(printRect.height()) / static_cast<float>(printRect.width());
float pageWidth = (float) root->docWidth();
float pageHeight = pageWidth * ratio;
outPageHeight = (int) pageHeight; // this is the height of the page adjusted by margins
pageHeight -= (headerHeight + footerHeight);
if (pageHeight <= 0) {
LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
return;
}
float currPageHeight = pageHeight / userScaleFactor;
float docHeight = root->layer()->height();
float docWidth = root->layer()->width();
float currPageWidth = pageWidth / userScaleFactor;
// always return at least one page, since empty files should print a blank page
float printedPagesHeight = 0.0;
do {
float proposedBottom = std::min(docHeight, printedPagesHeight + pageHeight);
frame->adjustPageHeight(&proposedBottom, printedPagesHeight, proposedBottom, printedPagesHeight);
currPageHeight = max(1.0f, proposedBottom - printedPagesHeight);
pages.append(IntRect(0,printedPagesHeight,currPageWidth,currPageHeight));
printedPagesHeight += currPageHeight;
} while (printedPagesHeight < docHeight);
}
DragImageRef Frame::dragImageForSelection()
{
if (selectionController()->isRange())
return 0; // TODO(pkasting): http://b/119669 Implement me!
return 0;
}
void Frame::dashboardRegionsChanged()
{
}
} // namespace WebCore
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