| /* |
| * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved. |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 2012 Samsung Electronics. 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 "core/accessibility/AXObjectCache.h" |
| #include "core/inspector/ConsoleAPITypes.h" |
| #include "core/loader/FrameLoader.h" |
| #include "core/loader/NavigationPolicy.h" |
| #include "core/page/ConsoleTypes.h" |
| #include "core/page/FocusDirection.h" |
| #include "core/platform/Cursor.h" |
| #include "core/platform/HostWindow.h" |
| #include "core/platform/PopupMenu.h" |
| #include "core/platform/PopupMenuClient.h" |
| #include "core/platform/ScrollTypes.h" |
| #include "core/platform/graphics/GraphicsContext.h" |
| #include "core/rendering/RenderEmbeddedObject.h" |
| #include "modules/webdatabase/DatabaseDetails.h" |
| #include "wtf/Forward.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/UnusedParam.h" |
| #include "wtf/Vector.h" |
| |
| |
| #ifndef __OBJC__ |
| class NSMenu; |
| class NSResponder; |
| #endif |
| |
| namespace WebCore { |
| |
| class AccessibilityObject; |
| class ColorChooser; |
| class ColorChooserClient; |
| class DateTimeChooser; |
| class DateTimeChooserClient; |
| class Element; |
| class FileChooser; |
| class FloatRect; |
| class Frame; |
| class Geolocation; |
| class GraphicsContext3D; |
| class GraphicsLayer; |
| class GraphicsLayerFactory; |
| class HitTestResult; |
| class HTMLInputElement; |
| class IntRect; |
| class NavigationAction; |
| class Node; |
| class Page; |
| class PagePopup; |
| class PagePopupClient; |
| class PagePopupDriver; |
| class PopupContainer; |
| class PopupMenuClient; |
| class SecurityOrigin; |
| class Widget; |
| |
| struct DateTimeChooserParameters; |
| struct FrameLoadRequest; |
| struct GraphicsDeviceAdapter; |
| struct ViewportArguments; |
| struct WindowFeatures; |
| |
| class ChromeClient { |
| public: |
| virtual void chromeDestroyed() = 0; |
| |
| virtual void setWindowRect(const FloatRect&) = 0; |
| virtual FloatRect windowRect() = 0; |
| |
| virtual FloatRect pageRect() = 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. |
| // The FrameLoadRequest parameter is only for ChromeClient to check if the |
| // request could be fulfilled. The ChromeClient should not load the request. |
| virtual Page* createWindow(Frame*, const FrameLoadRequest&, const WindowFeatures&, const NavigationAction&, NavigationPolicy = NavigationPolicyIgnore) = 0; |
| virtual void show(NavigationPolicy) = 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, MessageLevel, const String& message, unsigned lineNumber, const String& sourceID) = 0; |
| // FIXME: Remove this MessageType variant once all the clients are updated. |
| virtual void addMessageToConsole(MessageSource source, MessageType, MessageLevel level, const String& message, unsigned lineNumber, const String& sourceID) |
| { |
| addMessageToConsole(source, level, message, lineNumber, sourceID); |
| } |
| |
| virtual bool canRunBeforeUnloadConfirmPanel() = 0; |
| virtual bool runBeforeUnloadConfirmPanel(const String& message, 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 tabsToLinks() = 0; |
| |
| virtual void* webView() const = 0; |
| |
| virtual IntRect windowResizerRect() const = 0; |
| |
| // Methods used by HostWindow. |
| virtual void invalidateContentsAndRootView(const IntRect&) = 0; |
| virtual void invalidateContentsForSlowScroll(const IntRect&) = 0; |
| virtual void scroll(const IntSize&, const IntRect&, const IntRect&) = 0; |
| virtual IntPoint screenToRootView(const IntPoint&) const = 0; |
| virtual IntRect rootViewToScreen(const IntRect&) const = 0; |
| virtual WebKit::WebScreenInfo screenInfo() const = 0; |
| virtual void setCursor(const Cursor&) = 0; |
| #if !USE(REQUEST_ANIMATION_FRAME_TIMER) |
| virtual void scheduleAnimation() = 0; |
| #endif |
| // End methods used by HostWindow. |
| |
| virtual void dispatchViewportPropertiesDidChange(const ViewportArguments&) const { } |
| |
| virtual void contentsSizeChanged(Frame*, const IntSize&) const = 0; |
| virtual void deviceOrPageScaleFactorChanged() const { } |
| virtual void layoutUpdated(Frame*) const { } |
| |
| // didProgrammaticallyScroll should be called whenever a Frame is programmatically scrolled. |
| virtual void didProgrammaticallyScroll(Frame*, const IntPoint& newScrollPosition) const { } |
| |
| virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags) = 0; |
| |
| virtual void setToolTip(const String&, TextDirection) = 0; |
| |
| virtual void print(Frame*) = 0; |
| virtual bool shouldRubberBandInDirection(ScrollDirection) const = 0; |
| |
| virtual void annotatedRegionsChanged() = 0; |
| |
| virtual bool paintCustomOverhangArea(GraphicsContext*, const IntRect&, const IntRect&, const IntRect&) = 0; |
| |
| virtual PassOwnPtr<ColorChooser> createColorChooser(ColorChooserClient*, const Color&) = 0; |
| |
| // This function is used for: |
| // - Mandatory date/time choosers if !ENABLE(INPUT_MULTIPLE_FIELDS_UI) |
| // - Date/time choosers for types for which RenderTheme::supportsCalendarPicker |
| // returns true, if ENABLE(INPUT_MULTIPLE_FIELDS_UI) |
| // - <datalist> UI for date/time input types regardless of |
| // ENABLE(INPUT_MULTIPLE_FIELDS_UI) |
| virtual PassRefPtr<DateTimeChooser> openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&) = 0; |
| |
| virtual void runOpenPanel(Frame*, PassRefPtr<FileChooser>) = 0; |
| |
| // Asychronous request to enumerate all files in a directory chosen by the user. |
| virtual void enumerateChosenDirectory(FileChooser*) = 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; |
| |
| // Allows ports to customize the type of graphics layers created by this page. |
| virtual GraphicsLayerFactory* graphicsLayerFactory() const { return 0; } |
| |
| // Pass 0 as the GraphicsLayer to detatch the root layer. |
| virtual void attachRootGraphicsLayer(Frame*, GraphicsLayer*) = 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 scheduleCompositingLayerFlush() = 0; |
| // Returns whether or not the client can render the composited layer, |
| // regardless of the settings. |
| virtual bool allowsAcceleratedCompositing() const { return true; } |
| |
| enum CompositingTrigger { |
| ThreeDTransformTrigger = 1 << 0, |
| VideoTrigger = 1 << 1, |
| PluginTrigger = 1 << 2, |
| CanvasTrigger = 1 << 3, |
| AnimationTrigger = 1 << 4, |
| FilterTrigger = 1 << 5, |
| ScrollableInnerFrameTrigger = 1 << 6, |
| AllTriggers = 0xFFFFFFFF |
| }; |
| typedef unsigned CompositingTriggerFlags; |
| |
| // Returns a bitfield indicating conditions that can trigger the compositor. |
| virtual CompositingTriggerFlags allowedCompositingTriggers() const { return static_cast<CompositingTriggerFlags>(AllTriggers); } |
| |
| virtual void enterFullScreenForElement(Element*) { } |
| virtual void exitFullScreenForElement(Element*) { } |
| |
| virtual void needTouchEvents(bool) = 0; |
| |
| // Checks if there is an opened popup, called by RenderMenuList::showPopup(). |
| virtual bool hasOpenedPopup() const = 0; |
| virtual PassRefPtr<PopupMenu> createPopupMenu(Frame&, PopupMenuClient*) const = 0; |
| // Creates a PagePopup object, and shows it beside originBoundsInRootView. |
| // The return value can be 0. |
| virtual PagePopup* openPagePopup(PagePopupClient*, const IntRect& originBoundsInRootView) = 0; |
| virtual void closePagePopup(PagePopup*) = 0; |
| // For testing. |
| virtual void setPagePopupDriver(PagePopupDriver*) = 0; |
| virtual void resetPagePopupDriver() = 0; |
| |
| // FIXME: Should these be on a different client interface? |
| virtual bool isPasswordGenerationEnabled() const { return false; } |
| virtual void openPasswordGenerator(HTMLInputElement*) { } |
| |
| virtual void postAccessibilityNotification(AccessibilityObject*, AXObjectCache::AXNotification) { } |
| virtual String acceptLanguages() = 0; |
| |
| enum DialogType { |
| AlertDialog = 0, |
| ConfirmDialog = 1, |
| PromptDialog = 2, |
| HTMLDialog = 3 |
| }; |
| virtual bool shouldRunModalDialogDuringPageDismissal(const DialogType&, const String& dialogMessage, FrameLoader::PageDismissalType) const { UNUSED_PARAM(dialogMessage); return true; } |
| |
| virtual void numWheelEventHandlersChanged(unsigned) = 0; |
| |
| virtual bool isSVGImageChromeClient() const { return false; } |
| |
| virtual bool requestPointerLock() { return false; } |
| virtual void requestPointerUnlock() { } |
| virtual bool isPointerLocked() { return false; } |
| |
| virtual FloatSize minimumWindowSize() const { return FloatSize(100, 100); }; |
| |
| virtual bool isEmptyChromeClient() const { return false; } |
| |
| virtual void didAssociateFormControls(const Vector<RefPtr<Element> >&) { }; |
| |
| // Notifies the client of a new popup widget. The client should place |
| // and size the widget with the given bounds, relative to the screen. |
| // If handleExternal is true, then drawing and input handling for the |
| // popup will be handled by the external embedder. |
| virtual void popupOpened(PopupContainer* popupContainer, const IntRect& bounds, |
| bool handleExternal) = 0; |
| |
| // Notifies the client a popup was closed. |
| virtual void popupClosed(PopupContainer* popupContainer) = 0; |
| |
| protected: |
| virtual ~ChromeClient() { } |
| }; |
| |
| } |
| #endif // ChromeClient_h |