WebCore/page/Chrome.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/Chrome.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,486 @@
+/*
+ * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "Chrome.h"
+
+#include "ChromeClient.h"
+#include "DNS.h"
+#include "Document.h"
+#include "FileList.h"
+#include "FloatRect.h"
+#include "Frame.h"
+#include "FrameTree.h"
+#include "Geolocation.h"
+#include "HTMLFormElement.h"
+#include "HTMLInputElement.h"
+#include "HTMLNames.h"
+#include "HitTestResult.h"
+#include "InspectorController.h"
+#include "Page.h"
+#include "PageGroupLoadDeferrer.h"
+#include "RenderObject.h"
+#include "ResourceHandle.h"
+#include "ScriptController.h"
+#include "SecurityOrigin.h"
+#include "Settings.h"
+#include "WindowFeatures.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+
+#if ENABLE(DOM_STORAGE)
+#include "StorageNamespace.h"
+#endif
+
+namespace WebCore {
+
+using namespace HTMLNames;
+using namespace std;
+
+Chrome::Chrome(Page* page, ChromeClient* client)
+    : m_page(page)
+    , m_client(client)
+{
+    ASSERT(m_client);
+}
+
+Chrome::~Chrome()
+{
+    m_client->chromeDestroyed();
+}
+
+void Chrome::invalidateWindow(const IntRect& updateRect, bool immediate)
+{
+    m_client->invalidateWindow(updateRect, immediate);
+}
+
+void Chrome::invalidateContentsAndWindow(const IntRect& updateRect, bool immediate)
+{
+    m_client->invalidateContentsAndWindow(updateRect, immediate);
+}
+
+void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate)
+{
+    m_client->invalidateContentsForSlowScroll(updateRect, immediate);
+}
+
+void Chrome::scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect)
+{
+    m_client->scroll(scrollDelta, rectToScroll, clipRect);
+}
+
+IntPoint Chrome::screenToWindow(const IntPoint& point) const
+{
+    return m_client->screenToWindow(point);
+}
+
+IntRect Chrome::windowToScreen(const IntRect& rect) const
+{
+    return m_client->windowToScreen(rect);
+}
+
+PlatformPageClient Chrome::platformPageClient() const
+{
+    return m_client->platformPageClient();
+}
+
+void Chrome::contentsSizeChanged(Frame* frame, const IntSize& size) const
+{
+    m_client->contentsSizeChanged(frame, size);
+}
+
+void Chrome::scrollRectIntoView(const IntRect& rect) const
+{
+    // FIXME: The unused ScrollView* argument can and should be removed from ChromeClient::scrollRectIntoView.
+    m_client->scrollRectIntoView(rect, 0);
+}
+
+void Chrome::scrollbarsModeDidChange() const
+{
+    m_client->scrollbarsModeDidChange();
+}
+
+void Chrome::setWindowRect(const FloatRect& rect) const
+{
+    m_client->setWindowRect(rect);
+}
+
+FloatRect Chrome::windowRect() const
+{
+    return m_client->windowRect();
+}
+
+FloatRect Chrome::pageRect() const
+{
+    return m_client->pageRect();
+}
+
+float Chrome::scaleFactor()
+{
+    return m_client->scaleFactor();
+}
+
+void Chrome::focus() const
+{
+    m_client->focus();
+}
+
+void Chrome::unfocus() const
+{
+    m_client->unfocus();
+}
+
+bool Chrome::canTakeFocus(FocusDirection direction) const
+{
+    return m_client->canTakeFocus(direction);
+}
+
+void Chrome::takeFocus(FocusDirection direction) const
+{
+    m_client->takeFocus(direction);
+}
+
+void Chrome::focusedNodeChanged(Node* node) const
+{
+    m_client->focusedNodeChanged(node);
+}
+
+Page* Chrome::createWindow(Frame* frame, const FrameLoadRequest& request, const WindowFeatures& features) const
+{
+    Page* newPage = m_client->createWindow(frame, request, features);
+
+#if ENABLE(DOM_STORAGE)
+    if (newPage) {
+        if (StorageNamespace* oldSessionStorage = m_page->sessionStorage(false))
+            newPage->setSessionStorage(oldSessionStorage->copy());
+    }
+#endif
+
+    return newPage;
+}
+
+void Chrome::show() const
+{
+    m_client->show();
+}
+
+bool Chrome::canRunModal() const
+{
+    return m_client->canRunModal();
+}
+
+bool Chrome::canRunModalNow() const
+{
+    // If loads are blocked, we can't run modal because the contents
+    // of the modal dialog will never show up!
+    return canRunModal() && !ResourceHandle::loadsBlocked();
+}
+
+void Chrome::runModal() const
+{
+    // Defer callbacks in all the other pages in this group, so we don't try to run JavaScript
+    // in a way that could interact with this view.
+    PageGroupLoadDeferrer deferrer(m_page, false);
+
+    TimerBase::fireTimersInNestedEventLoop();
+    m_client->runModal();
+}
+
+void Chrome::setToolbarsVisible(bool b) const
+{
+    m_client->setToolbarsVisible(b);
+}
+
+bool Chrome::toolbarsVisible() const
+{
+    return m_client->toolbarsVisible();
+}
+
+void Chrome::setStatusbarVisible(bool b) const
+{
+    m_client->setStatusbarVisible(b);
+}
+
+bool Chrome::statusbarVisible() const
+{
+    return m_client->statusbarVisible();
+}
+
+void Chrome::setScrollbarsVisible(bool b) const
+{
+    m_client->setScrollbarsVisible(b);
+}
+
+bool Chrome::scrollbarsVisible() const
+{
+    return m_client->scrollbarsVisible();
+}
+
+void Chrome::setMenubarVisible(bool b) const
+{
+    m_client->setMenubarVisible(b);
+}
+
+bool Chrome::menubarVisible() const
+{
+    return m_client->menubarVisible();
+}
+
+void Chrome::setResizable(bool b) const
+{
+    m_client->setResizable(b);
+}
+
+bool Chrome::canRunBeforeUnloadConfirmPanel()
+{
+    return m_client->canRunBeforeUnloadConfirmPanel();
+}
+
+bool Chrome::runBeforeUnloadConfirmPanel(const String& message, Frame* frame)
+{
+    // Defer loads in case the client method runs a new event loop that would
+    // otherwise cause the load to continue while we're in the middle of executing JavaScript.
+    PageGroupLoadDeferrer deferrer(m_page, true);
+
+    return m_client->runBeforeUnloadConfirmPanel(message, frame);
+}
+
+void Chrome::closeWindowSoon()
+{
+    m_client->closeWindowSoon();
+}
+
+void Chrome::runJavaScriptAlert(Frame* frame, const String& message)
+{
+    // Defer loads in case the client method runs a new event loop that would
+    // otherwise cause the load to continue while we're in the middle of executing JavaScript.
+    PageGroupLoadDeferrer deferrer(m_page, true);
+
+    ASSERT(frame);
+    m_client->runJavaScriptAlert(frame, frame->displayStringModifiedByEncoding(message));
+}
+
+bool Chrome::runJavaScriptConfirm(Frame* frame, const String& message)
+{
+    // Defer loads in case the client method runs a new event loop that would
+    // otherwise cause the load to continue while we're in the middle of executing JavaScript.
+    PageGroupLoadDeferrer deferrer(m_page, true);
+
+    ASSERT(frame);
+    return m_client->runJavaScriptConfirm(frame, frame->displayStringModifiedByEncoding(message));
+}
+
+bool Chrome::runJavaScriptPrompt(Frame* frame, const String& prompt, const String& defaultValue, String& result)
+{
+    // Defer loads in case the client method runs a new event loop that would
+    // otherwise cause the load to continue while we're in the middle of executing JavaScript.
+    PageGroupLoadDeferrer deferrer(m_page, true);
+
+    ASSERT(frame);
+    bool ok = m_client->runJavaScriptPrompt(frame, frame->displayStringModifiedByEncoding(prompt), frame->displayStringModifiedByEncoding(defaultValue), result);
+
+    if (ok)
+        result = frame->displayStringModifiedByEncoding(result);
+
+    return ok;
+}
+
+void Chrome::setStatusbarText(Frame* frame, const String& status)
+{
+    ASSERT(frame);
+    m_client->setStatusbarText(frame->displayStringModifiedByEncoding(status));
+}
+
+bool Chrome::shouldInterruptJavaScript()
+{
+    // Defer loads in case the client method runs a new event loop that would
+    // otherwise cause the load to continue while we're in the middle of executing JavaScript.
+    PageGroupLoadDeferrer deferrer(m_page, true);
+
+    return m_client->shouldInterruptJavaScript();
+}
+
+IntRect Chrome::windowResizerRect() const
+{
+    return m_client->windowResizerRect();
+}
+
+void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags)
+{
+    if (result.innerNode()) {
+        Document* document = result.innerNode()->document();
+        if (document && document->isDNSPrefetchEnabled())
+            ResourceHandle::prepareForURL(result.absoluteLinkURL());
+    }
+    m_client->mouseDidMoveOverElement(result, modifierFlags);
+
+#if ENABLE(INSPECTOR)
+    if (InspectorController* inspector = m_page->inspectorController())
+        inspector->mouseDidMoveOverElement(result, modifierFlags);
+#endif
+}
+
+void Chrome::setToolTip(const HitTestResult& result)
+{
+    // First priority is a potential toolTip representing a spelling or grammar error
+    TextDirection toolTipDirection;
+    String toolTip = result.spellingToolTip(toolTipDirection);
+
+    // Next priority is a toolTip from a URL beneath the mouse (if preference is set to show those).
+    if (toolTip.isEmpty() && m_page->settings()->showsURLsInToolTips()) {
+        if (Node* node = result.innerNonSharedNode()) {
+            // Get tooltip representing form action, if relevant
+            if (node->hasTagName(inputTag)) {
+                HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+                if (input->inputType() == HTMLInputElement::SUBMIT)
+                    if (HTMLFormElement* form = input->form()) {
+                        toolTip = form->action();
+                        if (form->renderer())
+                            toolTipDirection = form->renderer()->style()->direction();
+                        else
+                            toolTipDirection = LTR;
+                    }
+            }
+        }
+
+        // Get tooltip representing link's URL
+        if (toolTip.isEmpty()) {
+            // FIXME: Need to pass this URL through userVisibleString once that's in WebCore
+            toolTip = result.absoluteLinkURL().string();
+            // URL always display as LTR.
+            toolTipDirection = LTR;
+        }
+    }
+
+    // Next we'll consider a tooltip for element with "title" attribute
+    if (toolTip.isEmpty())
+        toolTip = result.title(toolTipDirection);
+
+    // Lastly, for <input type="file"> that allow multiple files, we'll consider a tooltip for the selected filenames
+    if (toolTip.isEmpty()) {
+        if (Node* node = result.innerNonSharedNode()) {
+            if (node->hasTagName(inputTag)) {
+                HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
+                if (input->inputType() == HTMLInputElement::FILE) {
+                    FileList* files = input->files();
+                    unsigned listSize = files->length();
+                    if (files && listSize > 1) {
+                        Vector<UChar> names;
+                        for (size_t i = 0; i < listSize; ++i) {
+                            append(names, files->item(i)->fileName());
+                            if (i != listSize - 1)
+                                names.append('\n');
+                        }
+                        toolTip = String::adopt(names);
+                        // filename always display as LTR.
+                        toolTipDirection = LTR;
+                    }
+                }
+            }
+        }
+    }
+
+    m_client->setToolTip(toolTip, toolTipDirection);
+}
+
+void Chrome::print(Frame* frame)
+{
+    m_client->print(frame);
+}
+
+void Chrome::requestGeolocationPermissionForFrame(Frame* frame, Geolocation* geolocation)
+{
+    m_client->requestGeolocationPermissionForFrame(frame, geolocation);
+}
+
+void Chrome::cancelGeolocationPermissionRequestForFrame(Frame* frame, Geolocation* geolocation)
+{
+    m_client->cancelGeolocationPermissionRequestForFrame(frame, geolocation);
+}
+
+void Chrome::runOpenPanel(Frame* frame, PassRefPtr<FileChooser> fileChooser)
+{
+    m_client->runOpenPanel(frame, fileChooser);
+}
+
+void Chrome::chooseIconForFiles(const Vector<String>& filenames, FileChooser* fileChooser)
+{
+    m_client->chooseIconForFiles(filenames, fileChooser);
+}
+
+void Chrome::setCursor(const Cursor& cursor)
+{
+    m_client->setCursor(cursor);
+}
+
+#if ENABLE(NOTIFICATIONS)
+NotificationPresenter* Chrome::notificationPresenter() const
+{
+    return m_client->notificationPresenter();
+}
+#endif
+
+// --------
+
+#if ENABLE(DASHBOARD_SUPPORT)
+void ChromeClient::dashboardRegionsChanged()
+{
+}
+#endif
+
+void ChromeClient::populateVisitedLinks()
+{
+}
+
+FloatRect ChromeClient::customHighlightRect(Node*, const AtomicString&, const FloatRect&)
+{
+    return FloatRect();
+}
+
+void ChromeClient::paintCustomHighlight(Node*, const AtomicString&, const FloatRect&, const FloatRect&, bool, bool)
+{
+}
+
+bool ChromeClient::shouldReplaceWithGeneratedFileForUpload(const String&, String&)
+{
+    return false;
+}
+
+String ChromeClient::generateReplacementFile(const String&)
+{
+    ASSERT_NOT_REACHED();
+    return String();
+}
+
+bool ChromeClient::paintCustomScrollbar(GraphicsContext*, const FloatRect&, ScrollbarControlSize,
+                                        ScrollbarControlState, ScrollbarPart, bool,
+                                        float, float, ScrollbarControlPartMask)
+{
+    return false;
+}
+
+bool ChromeClient::paintCustomScrollCorner(GraphicsContext*, const FloatRect&)
+{
+    return false;
+}
+
+
+} // namespace WebCore