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WebPageProxy.cpp
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WebPageProxy.cpp
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/*
* Copyright (C) 2010, 2011 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 INC. AND ITS 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 APPLE INC. OR ITS 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 "WebPageProxy.h"
#include "AuthenticationChallengeProxy.h"
#include "AuthenticationDecisionListener.h"
#include "DataReference.h"
#include "DrawingAreaProxy.h"
#include "FindIndicator.h"
#include "MessageID.h"
#include "NativeWebKeyboardEvent.h"
#include "PageClient.h"
#include "PrintInfo.h"
#include "SessionState.h"
#include "StringPairVector.h"
#include "TextChecker.h"
#include "TextCheckerState.h"
#include "WKContextPrivate.h"
#include "WebBackForwardList.h"
#include "WebBackForwardListItem.h"
#include "WebCertificateInfo.h"
#include "WebContext.h"
#include "WebContextMenuProxy.h"
#include "WebContextUserMessageCoders.h"
#include "WebCoreArgumentCoders.h"
#include "WebData.h"
#include "WebEditCommandProxy.h"
#include "WebEvent.h"
#include "WebFormSubmissionListenerProxy.h"
#include "WebFramePolicyListenerProxy.h"
#include "WebOpenPanelResultListenerProxy.h"
#include "WebPageCreationParameters.h"
#include "WebPageGroup.h"
#include "WebPageGroupData.h"
#include "WebPageMessages.h"
#include "WebPopupItem.h"
#include "WebPopupMenuProxy.h"
#include "WebPreferences.h"
#include "WebProcessManager.h"
#include "WebProcessMessages.h"
#include "WebProcessProxy.h"
#include "WebProtectionSpace.h"
#include "WebSecurityOrigin.h"
#include "WebURLRequest.h"
#if PLATFORM(WIN)
#include "WebDragSource.h"
#include <WebCore/BitmapInfo.h>
#include <WebCore/COMPtr.h>
#include <WebCore/WCDataObject.h>
#include <shlobj.h>
#endif
#include <WebCore/DragData.h>
#include <WebCore/FloatRect.h>
#include <WebCore/MIMETypeRegistry.h>
#include <WebCore/WindowFeatures.h>
#include <stdio.h>
#ifndef NDEBUG
#include <wtf/RefCountedLeakCounter.h>
#endif
// This controls what strategy we use for mouse wheel coalesing.
#define MERGE_WHEEL_EVENTS 0
#define MESSAGE_CHECK(assertion) MESSAGE_CHECK_BASE(assertion, process()->connection())
using namespace WebCore;
namespace WebKit {
#ifndef NDEBUG
static WTF::RefCountedLeakCounter webPageProxyCounter("WebPageProxy");
#endif
PassRefPtr<WebPageProxy> WebPageProxy::create(PageClient* pageClient, WebContext* context, WebPageGroup* pageGroup, uint64_t pageID)
{
return adoptRef(new WebPageProxy(pageClient, context, pageGroup, pageID));
}
WebPageProxy::WebPageProxy(PageClient* pageClient, WebContext* context, WebPageGroup* pageGroup, uint64_t pageID)
: m_pageClient(pageClient)
, m_context(context)
, m_pageGroup(pageGroup)
, m_mainFrame(0)
, m_userAgent(standardUserAgent())
, m_geolocationPermissionRequestManager(this)
, m_estimatedProgress(0)
, m_isInWindow(m_pageClient->isViewInWindow())
, m_isVisible(m_pageClient->isViewVisible())
, m_backForwardList(WebBackForwardList::create(this))
, m_textZoomFactor(1)
, m_pageZoomFactor(1)
, m_viewScaleFactor(1)
, m_drawsBackground(true)
, m_drawsTransparentBackground(false)
, m_useFixedLayout(false)
, m_isValid(true)
, m_isClosed(false)
, m_isInPrintingMode(false)
, m_inDecidePolicyForMIMEType(false)
, m_syncMimeTypePolicyActionIsValid(false)
, m_syncMimeTypePolicyAction(PolicyUse)
, m_syncMimeTypePolicyDownloadID(0)
, m_inDecidePolicyForNavigationAction(false)
, m_syncNavigationActionPolicyActionIsValid(false)
, m_syncNavigationActionPolicyAction(PolicyUse)
, m_processingWheelEvent(false)
, m_processingMouseMoveEvent(false)
, m_pageID(pageID)
#if PLATFORM(MAC)
, m_isSmartInsertDeleteEnabled(TextChecker::isSmartInsertDeleteEnabled())
#endif
, m_spellDocumentTag(0)
, m_hasSpellDocumentTag(false)
, m_pendingLearnOrIgnoreWordMessageCount(0)
, m_mainFrameHasCustomRepresentation(false)
, m_currentDragOperation(DragOperationNone)
, m_mainFrameHasHorizontalScrollbar(false)
, m_mainFrameHasVerticalScrollbar(false)
{
#ifndef NDEBUG
webPageProxyCounter.increment();
#endif
WebContext::statistics().wkPageCount++;
m_pageGroup->addPage(this);
}
WebPageProxy::~WebPageProxy()
{
WebContext::statistics().wkPageCount--;
if (m_hasSpellDocumentTag)
TextChecker::closeSpellDocumentWithTag(m_spellDocumentTag);
m_pageGroup->removePage(this);
#ifndef NDEBUG
webPageProxyCounter.decrement();
#endif
}
WebProcessProxy* WebPageProxy::process() const
{
return m_context->process();
}
bool WebPageProxy::isValid()
{
// A page that has been explicitly closed is never valid.
if (m_isClosed)
return false;
return m_isValid;
}
void WebPageProxy::setDrawingArea(PassOwnPtr<DrawingAreaProxy> drawingArea)
{
if (drawingArea == m_drawingArea)
return;
m_drawingArea = drawingArea;
}
void WebPageProxy::initializeLoaderClient(const WKPageLoaderClient* loadClient)
{
m_loaderClient.initialize(loadClient);
}
void WebPageProxy::initializePolicyClient(const WKPagePolicyClient* policyClient)
{
m_policyClient.initialize(policyClient);
}
void WebPageProxy::initializeFormClient(const WKPageFormClient* formClient)
{
m_formClient.initialize(formClient);
}
void WebPageProxy::initializeResourceLoadClient(const WKPageResourceLoadClient* client)
{
m_resourceLoadClient.initialize(client);
}
void WebPageProxy::initializeUIClient(const WKPageUIClient* client)
{
m_uiClient.initialize(client);
}
void WebPageProxy::initializeFindClient(const WKPageFindClient* client)
{
m_findClient.initialize(client);
}
void WebPageProxy::initializeContextMenuClient(const WKPageContextMenuClient* client)
{
m_contextMenuClient.initialize(client);
}
void WebPageProxy::reattachToWebProcess()
{
m_isValid = true;
context()->relaunchProcessIfNecessary();
process()->addExistingWebPage(this, m_pageID);
initializeWebPage();
m_pageClient->didRelaunchProcess();
}
void WebPageProxy::reattachToWebProcessWithItem(WebBackForwardListItem* item)
{
if (item && item != m_backForwardList->currentItem())
m_backForwardList->goToItem(item);
reattachToWebProcess();
if (item)
process()->send(Messages::WebPage::GoToBackForwardItem(item->itemID()), m_pageID);
}
void WebPageProxy::initializeWebPage()
{
ASSERT(isValid());
BackForwardListItemVector items = m_backForwardList->entries();
for (size_t i = 0; i < items.size(); ++i)
process()->registerNewWebBackForwardListItem(items[i].get());
m_drawingArea = m_pageClient->createDrawingAreaProxy();
ASSERT(m_drawingArea);
process()->send(Messages::WebProcess::CreateWebPage(m_pageID, creationParameters()), 0);
}
void WebPageProxy::close()
{
if (!isValid())
return;
m_isClosed = true;
m_backForwardList->pageClosed();
m_pageClient->pageClosed();
process()->disconnectFramesFromPage(this);
m_mainFrame = 0;
#if ENABLE(INSPECTOR)
if (m_inspector) {
m_inspector->invalidate();
m_inspector = 0;
}
#endif
if (m_openPanelResultListener) {
m_openPanelResultListener->invalidate();
m_openPanelResultListener = 0;
}
m_geolocationPermissionRequestManager.invalidateRequests();
m_toolTip = String();
m_mainFrameHasHorizontalScrollbar = false;
m_mainFrameHasVerticalScrollbar = false;
invalidateCallbackMap(m_voidCallbacks);
invalidateCallbackMap(m_dataCallbacks);
invalidateCallbackMap(m_stringCallbacks);
invalidateCallbackMap(m_computedPagesCallbacks);
Vector<WebEditCommandProxy*> editCommandVector;
copyToVector(m_editCommandSet, editCommandVector);
m_editCommandSet.clear();
for (size_t i = 0, size = editCommandVector.size(); i < size; ++i)
editCommandVector[i]->invalidate();
m_activePopupMenu = 0;
m_estimatedProgress = 0.0;
m_loaderClient.initialize(0);
m_policyClient.initialize(0);
m_uiClient.initialize(0);
m_drawingArea.clear();
process()->send(Messages::WebPage::Close(), m_pageID);
process()->removeWebPage(m_pageID);
}
bool WebPageProxy::tryClose()
{
if (!isValid())
return true;
process()->send(Messages::WebPage::TryClose(), m_pageID);
return false;
}
static void initializeSandboxExtensionHandle(const KURL& url, SandboxExtension::Handle& sandboxExtensionHandle)
{
if (!url.isLocalFile())
return;
SandboxExtension::createHandle("/", SandboxExtension::ReadOnly, sandboxExtensionHandle);
}
void WebPageProxy::loadURL(const String& url)
{
setPendingAPIRequestURL(url);
if (!isValid())
reattachToWebProcess();
SandboxExtension::Handle sandboxExtensionHandle;
initializeSandboxExtensionHandle(KURL(KURL(), url), sandboxExtensionHandle);
process()->send(Messages::WebPage::LoadURL(url, sandboxExtensionHandle), m_pageID);
}
void WebPageProxy::loadURLRequest(WebURLRequest* urlRequest)
{
setPendingAPIRequestURL(urlRequest->resourceRequest().url());
if (!isValid())
reattachToWebProcess();
SandboxExtension::Handle sandboxExtensionHandle;
initializeSandboxExtensionHandle(urlRequest->resourceRequest().url(), sandboxExtensionHandle);
process()->send(Messages::WebPage::LoadURLRequest(urlRequest->resourceRequest(), sandboxExtensionHandle), m_pageID);
}
void WebPageProxy::loadHTMLString(const String& htmlString, const String& baseURL)
{
if (!isValid())
return;
process()->send(Messages::WebPage::LoadHTMLString(htmlString, baseURL), m_pageID);
}
void WebPageProxy::loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL)
{
if (!isValid())
return;
if (!m_mainFrame)
return;
m_mainFrame->setUnreachableURL(unreachableURL);
process()->send(Messages::WebPage::LoadAlternateHTMLString(htmlString, baseURL, unreachableURL), m_pageID);
}
void WebPageProxy::loadPlainTextString(const String& string)
{
if (!isValid())
return;
process()->send(Messages::WebPage::LoadPlainTextString(string), m_pageID);
}
void WebPageProxy::stopLoading()
{
if (!isValid())
return;
process()->send(Messages::WebPage::StopLoading(), m_pageID);
}
void WebPageProxy::reload(bool reloadFromOrigin)
{
if (m_backForwardList->currentItem())
setPendingAPIRequestURL(m_backForwardList->currentItem()->url());
if (!isValid()) {
reattachToWebProcessWithItem(m_backForwardList->currentItem());
return;
}
process()->send(Messages::WebPage::Reload(reloadFromOrigin), m_pageID);
}
void WebPageProxy::goForward()
{
if (isValid() && !canGoForward())
return;
setPendingAPIRequestURL(m_backForwardList->forwardItem()->url());
if (!isValid()) {
reattachToWebProcessWithItem(m_backForwardList->forwardItem());
return;
}
process()->send(Messages::WebPage::GoForward(m_backForwardList->forwardItem()->itemID()), m_pageID);
}
bool WebPageProxy::canGoForward() const
{
return m_backForwardList->forwardItem();
}
void WebPageProxy::goBack()
{
if (isValid() && !canGoBack())
return;
setPendingAPIRequestURL(m_backForwardList->backItem()->url());
if (!isValid()) {
reattachToWebProcessWithItem(m_backForwardList->backItem());
return;
}
process()->send(Messages::WebPage::GoBack(m_backForwardList->backItem()->itemID()), m_pageID);
}
bool WebPageProxy::canGoBack() const
{
return m_backForwardList->backItem();
}
void WebPageProxy::goToBackForwardItem(WebBackForwardListItem* item)
{
if (!isValid()) {
reattachToWebProcessWithItem(item);
return;
}
process()->send(Messages::WebPage::GoToBackForwardItem(item->itemID()), m_pageID);
}
void WebPageProxy::didChangeBackForwardList()
{
m_loaderClient.didChangeBackForwardList(this);
}
bool WebPageProxy::canShowMIMEType(const String& mimeType) const
{
if (MIMETypeRegistry::isSupportedNonImageMIMEType(mimeType))
return true;
if (MIMETypeRegistry::isSupportedImageMIMEType(mimeType))
return true;
String newMimeType = mimeType;
PluginInfoStore::Plugin plugin = context()->pluginInfoStore()->findPlugin(newMimeType, KURL());
if (!plugin.path.isNull())
return true;
return false;
}
void WebPageProxy::setDrawsBackground(bool drawsBackground)
{
if (m_drawsBackground == drawsBackground)
return;
m_drawsBackground = drawsBackground;
if (isValid())
process()->send(Messages::WebPage::SetDrawsBackground(drawsBackground), m_pageID);
}
void WebPageProxy::setDrawsTransparentBackground(bool drawsTransparentBackground)
{
if (m_drawsTransparentBackground == drawsTransparentBackground)
return;
m_drawsTransparentBackground = drawsTransparentBackground;
if (isValid())
process()->send(Messages::WebPage::SetDrawsTransparentBackground(drawsTransparentBackground), m_pageID);
}
void WebPageProxy::viewWillStartLiveResize()
{
process()->send(Messages::WebPage::ViewWillStartLiveResize(), m_pageID);
}
void WebPageProxy::viewWillEndLiveResize()
{
process()->send(Messages::WebPage::ViewWillEndLiveResize(), m_pageID);
}
void WebPageProxy::setViewNeedsDisplay(const IntRect& rect)
{
m_pageClient->setViewNeedsDisplay(rect);
}
void WebPageProxy::displayView()
{
m_pageClient->displayView();
}
void WebPageProxy::scrollView(const IntRect& scrollRect, const IntSize& scrollOffset)
{
m_pageClient->scrollView(scrollRect, scrollOffset);
}
void WebPageProxy::viewStateDidChange(ViewStateFlags flags)
{
if (!isValid())
return;
if (flags & ViewIsFocused)
process()->send(Messages::WebPage::SetFocused(m_pageClient->isViewFocused()), m_pageID);
if (flags & ViewWindowIsActive)
process()->send(Messages::WebPage::SetActive(m_pageClient->isViewWindowActive()), m_pageID);
if (flags & ViewIsVisible) {
bool isVisible = m_pageClient->isViewVisible();
if (isVisible != m_isVisible) {
m_isVisible = isVisible;
m_drawingArea->visibilityDidChange();
m_drawingArea->setPageIsVisible(isVisible);
}
}
if (flags & ViewIsInWindow) {
bool isInWindow = m_pageClient->isViewInWindow();
if (m_isInWindow != isInWindow) {
m_isInWindow = isInWindow;
process()->send(Messages::WebPage::SetIsInWindow(isInWindow), m_pageID);
}
}
}
IntSize WebPageProxy::viewSize() const
{
return m_pageClient->viewSize();
}
void WebPageProxy::setInitialFocus(bool forward)
{
if (!isValid())
return;
process()->send(Messages::WebPage::SetInitialFocus(forward), m_pageID);
}
void WebPageProxy::setWindowResizerSize(const IntSize& windowResizerSize)
{
if (!isValid())
return;
process()->send(Messages::WebPage::SetWindowResizerSize(windowResizerSize), m_pageID);
}
void WebPageProxy::validateMenuItem(const String& commandName)
{
if (!isValid())
return;
process()->send(Messages::WebPage::ValidateMenuItem(commandName), m_pageID);
}
void WebPageProxy::executeEditCommand(const String& commandName)
{
if (!isValid())
return;
process()->send(Messages::WebPage::ExecuteEditCommand(commandName), m_pageID);
}
#if PLATFORM(MAC)
void WebPageProxy::updateWindowIsVisible(bool windowIsVisible)
{
if (!isValid())
return;
process()->send(Messages::WebPage::SetWindowIsVisible(windowIsVisible), m_pageID);
}
void WebPageProxy::windowAndViewFramesChanged(const IntRect& windowFrameInScreenCoordinates, const IntRect& viewFrameInWindowCoordinates, const IntPoint& accessibilityViewCoordinates)
{
if (!isValid())
return;
process()->send(Messages::WebPage::WindowAndViewFramesChanged(windowFrameInScreenCoordinates, viewFrameInWindowCoordinates, accessibilityViewCoordinates), m_pageID);
}
void WebPageProxy::getMarkedRange(uint64_t& location, uint64_t& length)
{
process()->sendSync(Messages::WebPage::GetMarkedRange(), Messages::WebPage::GetMarkedRange::Reply(location, length), m_pageID);
}
uint64_t WebPageProxy::characterIndexForPoint(const IntPoint point)
{
uint64_t result;
process()->sendSync(Messages::WebPage::CharacterIndexForPoint(point), Messages::WebPage::CharacterIndexForPoint::Reply(result), m_pageID);
return result;
}
WebCore::IntRect WebPageProxy::firstRectForCharacterRange(uint64_t location, uint64_t length)
{
IntRect resultRect;
process()->sendSync(Messages::WebPage::FirstRectForCharacterRange(location, length), Messages::WebPage::FirstRectForCharacterRange::Reply(resultRect), m_pageID);
return resultRect;
}
#elif PLATFORM(WIN)
WebCore::IntRect WebPageProxy::firstRectForCharacterInSelectedRange(int characterPosition)
{
IntRect resultRect;
process()->sendSync(Messages::WebPage::FirstRectForCharacterInSelectedRange(characterPosition), Messages::WebPage::FirstRectForCharacterInSelectedRange::Reply(resultRect), m_pageID);
return resultRect;
}
String WebPageProxy::getSelectedText()
{
String text;
process()->sendSync(Messages::WebPage::GetSelectedText(), Messages::WebPage::GetSelectedText::Reply(text), m_pageID);
return text;
}
#endif
#if ENABLE(TILED_BACKING_STORE)
void WebPageProxy::setActualVisibleContentRect(const IntRect& rect)
{
if (!isValid())
return;
process()->send(Messages::WebPage::SetActualVisibleContentRect(rect), m_pageID);
}
#endif
void WebPageProxy::performDragControllerAction(DragControllerAction action, WebCore::DragData* dragData, const String& dragStorageName)
{
if (!isValid())
return;
#if PLATFORM(WIN)
// FIXME: We should pass the drag data map only on DragEnter.
process()->send(Messages::WebPage::PerformDragControllerAction(action, dragData->clientPosition(), dragData->globalPosition(),
dragData->draggingSourceOperationMask(), dragData->dragDataMap(), dragData->flags()), m_pageID);
#else
process()->send(Messages::WebPage::PerformDragControllerAction(action, dragData->clientPosition(), dragData->globalPosition(), dragData->draggingSourceOperationMask(), dragStorageName, dragData->flags()), m_pageID);
#endif
}
void WebPageProxy::didPerformDragControllerAction(uint64_t resultOperation)
{
m_currentDragOperation = static_cast<DragOperation>(resultOperation);
}
#if PLATFORM(MAC)
void WebPageProxy::setDragImage(const WebCore::IntPoint& clientPosition, const IntSize& imageSize, const SharedMemory::Handle& dragImageHandle, bool isLinkDrag)
{
RefPtr<ShareableBitmap> dragImage = ShareableBitmap::create(imageSize, dragImageHandle);
if (!dragImage)
return;
m_pageClient->setDragImage(clientPosition, imageSize, dragImage.release(), isLinkDrag);
}
#endif
#if PLATFORM(WIN)
void WebPageProxy::startDragDrop(const IntPoint& imageOrigin, const IntPoint& dragPoint, uint64_t okEffect,
const HashMap<UINT, Vector<String> >& dataMap, const IntSize& dragImageSize, const SharedMemory::Handle& dragImageHandle, bool isLinkDrag)
{
COMPtr<WCDataObject> dataObject;
WCDataObject::createInstance(&dataObject, dataMap);
RefPtr<SharedMemory> memoryBuffer = SharedMemory::create(dragImageHandle, SharedMemory::ReadOnly);
if (!memoryBuffer)
return;
RefPtr<WebDragSource> source = WebDragSource::createInstance();
if (!source)
return;
COMPtr<IDragSourceHelper> helper;
if (FAILED(::CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER, IID_IDragSourceHelper, reinterpret_cast<LPVOID*>(&helper))))
return;
BitmapInfo bitmapInfo = BitmapInfo::create(dragImageSize);
void* bits;
OwnPtr<HBITMAP> hbmp(::CreateDIBSection(0, &bitmapInfo, DIB_RGB_COLORS, &bits, 0, 0));
memcpy(bits, memoryBuffer->data(), memoryBuffer->size());
SHDRAGIMAGE sdi;
sdi.sizeDragImage.cx = bitmapInfo.bmiHeader.biWidth;
sdi.sizeDragImage.cy = bitmapInfo.bmiHeader.biHeight;
sdi.crColorKey = 0xffffffff;
sdi.hbmpDragImage = hbmp.leakPtr();
sdi.ptOffset.x = dragPoint.x() - imageOrigin.x();
sdi.ptOffset.y = dragPoint.y() - imageOrigin.y();
if (isLinkDrag)
sdi.ptOffset.y = bitmapInfo.bmiHeader.biHeight - sdi.ptOffset.y;
helper->InitializeFromBitmap(&sdi, dataObject.get());
DWORD effect = DROPEFFECT_NONE;
DragOperation operation = DragOperationNone;
if (::DoDragDrop(dataObject.get(), source.get(), okEffect, &effect) == DRAGDROP_S_DROP) {
if (effect & DROPEFFECT_COPY)
operation = DragOperationCopy;
else if (effect & DROPEFFECT_LINK)
operation = DragOperationLink;
else if (effect & DROPEFFECT_MOVE)
operation = DragOperationMove;
}
POINT globalPoint;
::GetCursorPos(&globalPoint);
POINT localPoint = globalPoint;
::ScreenToClient(m_pageClient->nativeWindow(), &localPoint);
dragEnded(localPoint, globalPoint, operation);
}
#endif
void WebPageProxy::dragEnded(const WebCore::IntPoint& clientPosition, const WebCore::IntPoint& globalPosition, uint64_t operation)
{
if (!isValid())
return;
process()->send(Messages::WebPage::DragEnded(clientPosition, globalPosition, operation), m_pageID);
}
void WebPageProxy::handleMouseEvent(const WebMouseEvent& event)
{
if (!isValid())
return;
// NOTE: This does not start the responsiveness timer because mouse move should not indicate interaction.
if (event.type() != WebEvent::MouseMove)
process()->responsivenessTimer()->start();
else {
if (m_processingMouseMoveEvent) {
m_nextMouseMoveEvent = adoptPtr(new WebMouseEvent(event));
return;
}
m_processingMouseMoveEvent = true;
}
process()->send(Messages::WebPage::MouseEvent(event), m_pageID);
}
static PassOwnPtr<WebWheelEvent> coalesceWheelEvents(WebWheelEvent* oldNextWheelEvent, const WebWheelEvent& newWheelEvent)
{
#if MERGE_WHEEL_EVENTS
// Merge model: Combine wheel event deltas (and wheel ticks) into a single wheel event.
if (!oldNextWheelEvent)
return adoptPtr(new WebWheelEvent(newWheelEvent));
if (oldNextWheelEvent->position() != newWheelEvent.position() || oldNextWheelEvent->modifiers() != newWheelEvent.modifiers() || oldNextWheelEvent->granularity() != newWheelEvent.granularity())
return adoptPtr(new WebWheelEvent(newWheelEvent));
FloatSize mergedDelta = oldNextWheelEvent->delta() + newWheelEvent.delta();
FloatSize mergedWheelTicks = oldNextWheelEvent->wheelTicks() + newWheelEvent.wheelTicks();
return adoptPtr(new WebWheelEvent(WebEvent::Wheel, newWheelEvent.position(), newWheelEvent.globalPosition(), mergedDelta, mergedWheelTicks, newWheelEvent.granularity(), newWheelEvent.modifiers(), newWheelEvent.timestamp()));
#else
// Simple model: Just keep the last event, dropping all interim events.
return adoptPtr(new WebWheelEvent(newWheelEvent));
#endif
}
void WebPageProxy::handleWheelEvent(const WebWheelEvent& event)
{
if (!isValid())
return;
if (m_processingWheelEvent) {
m_nextWheelEvent = coalesceWheelEvents(m_nextWheelEvent.get(), event);
return;
}
process()->responsivenessTimer()->start();
process()->send(Messages::WebPage::WheelEvent(event), m_pageID);
m_processingWheelEvent = true;
}
void WebPageProxy::handleKeyboardEvent(const NativeWebKeyboardEvent& event)
{
if (!isValid())
return;
m_keyEventQueue.append(event);
process()->responsivenessTimer()->start();
process()->send(Messages::WebPage::KeyEvent(event), m_pageID);
}
#if ENABLE(GESTURE_EVENTS)
void WebPageProxy::handleGestureEvent(const WebGestureEvent& event)
{
if (!isValid())
return;
process()->responsivenessTimer()->start();
process()->send(Messages::WebPage::GestureEvent(event), m_pageID);
}
#endif
#if ENABLE(TOUCH_EVENTS)
void WebPageProxy::handleTouchEvent(const WebTouchEvent& event)
{
if (!isValid())
return;
process()->send(Messages::WebPage::TouchEvent(event), m_pageID);
}
#endif
void WebPageProxy::receivedPolicyDecision(PolicyAction action, WebFrameProxy* frame, uint64_t listenerID)
{
if (!isValid())
return;
uint64_t downloadID = 0;
if (action == PolicyDownload) {
// Create a download proxy.
downloadID = context()->createDownloadProxy();
}
// If we received a policy decision while in decidePolicyForMIMEType the decision will
// be sent back to the web process by decidePolicyForMIMEType.
if (m_inDecidePolicyForMIMEType) {
m_syncMimeTypePolicyActionIsValid = true;
m_syncMimeTypePolicyAction = action;
m_syncMimeTypePolicyDownloadID = downloadID;
return;
}
// If we received a policy decision while in decidePolicyForNavigationAction the decision will
// be sent back to the web process by decidePolicyForNavigationAction.
if (m_inDecidePolicyForNavigationAction) {
m_syncNavigationActionPolicyActionIsValid = true;
m_syncNavigationActionPolicyAction = action;
return;
}
process()->send(Messages::WebPage::DidReceivePolicyDecision(frame->frameID(), listenerID, action, downloadID), m_pageID);
}
String WebPageProxy::pageTitle() const
{
// Return the null string if there is no main frame (e.g. nothing has been loaded in the page yet, WebProcess has
// crashed, page has been closed).
if (!m_mainFrame)
return String();
return m_mainFrame->title();
}
void WebPageProxy::setUserAgent(const String& userAgent)
{
if (m_userAgent == userAgent)
return;
m_userAgent = userAgent;
if (!isValid())
return;
process()->send(Messages::WebPage::SetUserAgent(m_userAgent), m_pageID);
}
void WebPageProxy::setApplicationNameForUserAgent(const String& applicationName)
{
if (m_applicationNameForUserAgent == applicationName)
return;
m_applicationNameForUserAgent = applicationName;
if (!m_customUserAgent.isEmpty())
return;
setUserAgent(standardUserAgent(m_applicationNameForUserAgent));
}
void WebPageProxy::setCustomUserAgent(const String& customUserAgent)
{
if (m_customUserAgent == customUserAgent)
return;
m_customUserAgent = customUserAgent;
if (m_customUserAgent.isEmpty()) {
setUserAgent(standardUserAgent(m_applicationNameForUserAgent));
return;
}
setUserAgent(m_customUserAgent);
}
bool WebPageProxy::supportsTextEncoding() const
{
return !m_mainFrameHasCustomRepresentation && m_mainFrame && !m_mainFrame->isDisplayingStandaloneImageDocument();
}
void WebPageProxy::setCustomTextEncodingName(const String& encodingName)
{
if (m_customTextEncodingName == encodingName)
return;
m_customTextEncodingName = encodingName;
if (!isValid())
return;
process()->send(Messages::WebPage::SetCustomTextEncodingName(encodingName), m_pageID);
}
void WebPageProxy::terminateProcess()
{
if (!isValid())
return;
process()->terminate();
}
#if !PLATFORM(CF) || defined(BUILDING_QT__)
PassRefPtr<WebData> WebPageProxy::sessionStateData(WebPageProxySessionStateFilterCallback, void* context) const
{
// FIXME: Return session state data for saving Page state.
return 0;
}
void WebPageProxy::restoreFromSessionStateData(WebData*)
{
// FIXME: Restore the Page from the passed in session state data.
}
#endif
bool WebPageProxy::supportsTextZoom() const
{
if (m_mainFrameHasCustomRepresentation)
return false;
// FIXME: This should also return false for standalone media and plug-in documents.
if (!m_mainFrame || m_mainFrame->isDisplayingStandaloneImageDocument())
return false;
return true;
}
void WebPageProxy::setTextZoomFactor(double zoomFactor)
{
if (!isValid())
return;
if (m_mainFrameHasCustomRepresentation)
return;
if (m_textZoomFactor == zoomFactor)
return;
m_textZoomFactor = zoomFactor;
process()->send(Messages::WebPage::SetTextZoomFactor(m_textZoomFactor), m_pageID);
}
double WebPageProxy::pageZoomFactor() const
{
return m_mainFrameHasCustomRepresentation ? m_pageClient->customRepresentationZoomFactor() : m_pageZoomFactor;
}
void WebPageProxy::setPageZoomFactor(double zoomFactor)
{
if (!isValid())
return;
if (m_mainFrameHasCustomRepresentation) {
m_pageClient->setCustomRepresentationZoomFactor(zoomFactor);
return;
}
if (m_pageZoomFactor == zoomFactor)
return;
m_pageZoomFactor = zoomFactor;
process()->send(Messages::WebPage::SetPageZoomFactor(m_pageZoomFactor), m_pageID);
}
void WebPageProxy::setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor)
{
if (!isValid())
return;
if (m_mainFrameHasCustomRepresentation) {
m_pageClient->setCustomRepresentationZoomFactor(pageZoomFactor);
return;
}