| /* | |
| * Copyright (C) 2006, 2007, 2008, 2009 Apple, Inc. All rights reserved. | |
| * | |
| * 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. | |
| */ | |
| #ifndef ChromeClient_h | |
| #define ChromeClient_h | |
| #include "Console.h" | |
| #include "Cursor.h" | |
| #include "FocusDirection.h" | |
| #include "GraphicsContext.h" | |
| #include "HTMLParserQuirks.h" | |
| #include "HostWindow.h" | |
| #include "ScrollTypes.h" | |
| #include <wtf/Forward.h> | |
| #include <wtf/PassOwnPtr.h> | |
| #include <wtf/Vector.h> | |
| #if PLATFORM(MAC) | |
| #include "WebCoreKeyboardUIMode.h" | |
| #endif | |
| #ifndef __OBJC__ | |
| class NSMenu; | |
| class NSResponder; | |
| #endif | |
| namespace WebCore { | |
| class AtomicString; | |
| class FileChooser; | |
| class FloatRect; | |
| class Frame; | |
| class Geolocation; | |
| class HTMLParserQuirks; | |
| class HitTestResult; | |
| class IntRect; | |
| class Node; | |
| class Page; | |
| class String; | |
| class Widget; | |
| struct FrameLoadRequest; | |
| struct ViewportArguments; | |
| struct WindowFeatures; | |
| #if USE(ACCELERATED_COMPOSITING) | |
| class GraphicsLayer; | |
| #endif | |
| #if ENABLE(NOTIFICATIONS) | |
| class NotificationPresenter; | |
| #endif | |
| class ChromeClient { | |
| public: | |
| virtual void chromeDestroyed() = 0; | |
| virtual void setWindowRect(const FloatRect&) = 0; | |
| virtual FloatRect windowRect() = 0; | |
| virtual FloatRect pageRect() = 0; | |
| virtual float scaleFactor() = 0; | |
| virtual void focus() = 0; | |
| virtual void unfocus() = 0; | |
| virtual bool canTakeFocus(FocusDirection) = 0; | |
| virtual void takeFocus(FocusDirection) = 0; | |
| virtual void focusedNodeChanged(Node*) = 0; | |
| // The Frame pointer provides the ChromeClient with context about which | |
| // Frame wants to create the new Page. Also, the newly created window | |
| // should not be shown to the user until the ChromeClient of the newly | |
| // created Page has its show method called. | |
| virtual Page* createWindow(Frame*, const FrameLoadRequest&, const WindowFeatures&) = 0; | |
| virtual void show() = 0; | |
| virtual bool canRunModal() = 0; | |
| virtual void runModal() = 0; | |
| virtual void setToolbarsVisible(bool) = 0; | |
| virtual bool toolbarsVisible() = 0; | |
| virtual void setStatusbarVisible(bool) = 0; | |
| virtual bool statusbarVisible() = 0; | |
| virtual void setScrollbarsVisible(bool) = 0; | |
| virtual bool scrollbarsVisible() = 0; | |
| virtual void setMenubarVisible(bool) = 0; | |
| virtual bool menubarVisible() = 0; | |
| virtual void setResizable(bool) = 0; | |
| virtual void addMessageToConsole(MessageSource, MessageType, MessageLevel, const String& message, unsigned int lineNumber, const String& sourceID) = 0; | |
| virtual bool canRunBeforeUnloadConfirmPanel() = 0; | |
| virtual bool runBeforeUnloadConfirmPanel(const String& message, Frame* frame) = 0; | |
| virtual void closeWindowSoon() = 0; | |
| virtual void runJavaScriptAlert(Frame*, const String&) = 0; | |
| virtual bool runJavaScriptConfirm(Frame*, const String&) = 0; | |
| virtual bool runJavaScriptPrompt(Frame*, const String& message, const String& defaultValue, String& result) = 0; | |
| virtual void setStatusbarText(const String&) = 0; | |
| virtual bool shouldInterruptJavaScript() = 0; | |
| virtual bool tabsToLinks() const = 0; | |
| virtual void registerProtocolHandler(const String&, const String&, const String&, const String&) { } | |
| virtual void registerContentHandler(const String&, const String&, const String&, const String&) { } | |
| virtual IntRect windowResizerRect() const = 0; | |
| // Methods used by HostWindow. | |
| virtual void invalidateWindow(const IntRect&, bool) = 0; | |
| virtual void invalidateContentsAndWindow(const IntRect&, bool) = 0; | |
| virtual void invalidateContentsForSlowScroll(const IntRect&, bool) = 0; | |
| virtual void scroll(const IntSize&, const IntRect&, const IntRect&) = 0; | |
| virtual IntPoint screenToWindow(const IntPoint&) const = 0; | |
| virtual IntRect windowToScreen(const IntRect&) const = 0; | |
| virtual PlatformPageClient platformPageClient() const = 0; | |
| virtual void contentsSizeChanged(Frame*, const IntSize&) const = 0; | |
| virtual void scrollRectIntoView(const IntRect&, const ScrollView*) const = 0; // Currently only Mac has a non empty implementation. | |
| // End methods used by HostWindow. | |
| virtual void scrollbarsModeDidChange() const = 0; | |
| virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags) = 0; | |
| virtual void setToolTip(const String&, TextDirection) = 0; | |
| virtual void didReceiveViewportArguments(Frame*, const ViewportArguments&) const { } | |
| virtual void print(Frame*) = 0; | |
| #if ENABLE(DATABASE) | |
| virtual void exceededDatabaseQuota(Frame*, const String& databaseName) = 0; | |
| #endif | |
| #if ENABLE(OFFLINE_WEB_APPLICATIONS) | |
| // Callback invoked when the application cache fails to save a cache object | |
| // because storing it would grow the database file past its defined maximum | |
| // size or past the amount of free space on the device. | |
| // The chrome client would need to take some action such as evicting some | |
| // old caches. | |
| virtual void reachedMaxAppCacheSize(int64_t spaceNeeded) = 0; | |
| #endif | |
| #if ENABLE(DASHBOARD_SUPPORT) | |
| virtual void dashboardRegionsChanged(); | |
| #endif | |
| #if ENABLE(NOTIFICATIONS) | |
| virtual NotificationPresenter* notificationPresenter() const = 0; | |
| #endif | |
| virtual void populateVisitedLinks(); | |
| virtual FloatRect customHighlightRect(Node*, const AtomicString& type, const FloatRect& lineRect); | |
| virtual void paintCustomHighlight(Node*, const AtomicString& type, const FloatRect& boxRect, const FloatRect& lineRect, | |
| bool behindText, bool entireLine); | |
| virtual bool shouldReplaceWithGeneratedFileForUpload(const String& path, String& generatedFilename); | |
| virtual String generateReplacementFile(const String& path); | |
| virtual bool paintCustomScrollbar(GraphicsContext*, const FloatRect&, ScrollbarControlSize, | |
| ScrollbarControlState, ScrollbarPart pressedPart, bool vertical, | |
| float value, float proportion, ScrollbarControlPartMask); | |
| virtual bool paintCustomScrollCorner(GraphicsContext*, const FloatRect&); | |
| // This can be either a synchronous or asynchronous call. The ChromeClient can display UI asking the user for permission | |
| // to use Geolocation. | |
| virtual void requestGeolocationPermissionForFrame(Frame*, Geolocation*) = 0; | |
| virtual void cancelGeolocationPermissionRequestForFrame(Frame*) = 0; | |
| virtual void runOpenPanel(Frame*, PassRefPtr<FileChooser>) = 0; | |
| // Asynchronous request to load an icon for specified filenames. | |
| virtual void chooseIconForFiles(const Vector<String>&, PassRefPtr<FileChooser>) = 0; | |
| virtual bool setCursor(PlatformCursorHandle) = 0; | |
| // Notification that the given form element has changed. This function | |
| // will be called frequently, so handling should be very fast. | |
| virtual void formStateDidChange(const Node*) = 0; | |
| virtual void formDidFocus(const Node*) { }; | |
| virtual void formDidBlur(const Node*) { }; | |
| virtual PassOwnPtr<HTMLParserQuirks> createHTMLParserQuirks() = 0; | |
| #if USE(ACCELERATED_COMPOSITING) | |
| // Pass 0 as the GraphicsLayer to detatch the root layer. | |
| virtual void attachRootGraphicsLayer(Frame*, GraphicsLayer*) = 0; | |
| // Sets a flag to specify that the next time content is drawn to the window, | |
| // the changes appear on the screen in synchrony with updates to GraphicsLayers. | |
| virtual void setNeedsOneShotDrawingSynchronization() = 0; | |
| // Sets a flag to specify that the view needs to be updated, so we need | |
| // to do an eager layout before the drawing. | |
| virtual void scheduleCompositingLayerSync() = 0; | |
| // Returns whether or not the client can render the composited layer, | |
| // regardless of the settings. | |
| virtual bool allowsAcceleratedCompositing() const { return true; } | |
| #endif | |
| virtual bool supportsFullscreenForNode(const Node*) { return false; } | |
| virtual void enterFullscreenForNode(Node*) { } | |
| virtual void exitFullscreenForNode(Node*) { } | |
| #if ENABLE(TILED_BACKING_STORE) | |
| virtual IntRect visibleRectForTiledBackingStore() const { return IntRect(); } | |
| #endif | |
| #if PLATFORM(MAC) | |
| virtual KeyboardUIMode keyboardUIMode() { return KeyboardAccessDefault; } | |
| virtual NSResponder *firstResponder() { return 0; } | |
| virtual void makeFirstResponder(NSResponder *) { } | |
| virtual void willPopUpMenu(NSMenu *) { } | |
| #endif | |
| #if ENABLE(TOUCH_EVENTS) | |
| virtual void needTouchEvents(bool) = 0; | |
| #endif | |
| #if ENABLE(WIDGETS_10_SUPPORT) | |
| virtual bool isWindowed() { return false; } | |
| virtual bool isFloating() { return false; } | |
| virtual bool isFullscreen() { return false; } | |
| virtual bool isMaximized() { return false; } | |
| virtual bool isMinimized() { return false; } | |
| #endif | |
| protected: | |
| virtual ~ChromeClient() { } | |
| }; | |
| } | |
| #endif // ChromeClient_h |