From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001 From: Steve Block Date: Fri, 6 May 2011 11:45:16 +0100 Subject: Merge WebKit at r75315: Initial merge by git. Change-Id: I570314b346ce101c935ed22a626b48c2af266b84 --- Source/WebCore/page/ChromeClient.h | 309 +++++++++++++++++++++++++++++++++++++ 1 file changed, 309 insertions(+) create mode 100644 Source/WebCore/page/ChromeClient.h (limited to 'Source/WebCore/page/ChromeClient.h') diff --git a/Source/WebCore/page/ChromeClient.h b/Source/WebCore/page/ChromeClient.h new file mode 100644 index 0000000..0276a14 --- /dev/null +++ b/Source/WebCore/page/ChromeClient.h @@ -0,0 +1,309 @@ +/* + * Copyright (C) 2006, 2007, 2008, 2009 Apple, Inc. All rights reserved. + * Copyright (C) 2010 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. + */ + +#ifndef ChromeClient_h +#define ChromeClient_h + +#include "AXObjectCache.h" +#include "Console.h" +#include "Cursor.h" +#include "FocusDirection.h" +#include "GraphicsContext.h" +#include "HTMLParserQuirks.h" +#include "HostWindow.h" +#include "PopupMenu.h" +#include "PopupMenuClient.h" +#include "ScrollTypes.h" +#include "SearchPopupMenu.h" +#include +#include +#include + +#if PLATFORM(MAC) +#include "WebCoreKeyboardUIMode.h" +#endif + +#ifndef __OBJC__ +class NSMenu; +class NSResponder; +#endif + +namespace WebCore { + + class AccessibilityObject; + class Element; + class FileChooser; + class FloatRect; + class Frame; + class Geolocation; + class HTMLParserQuirks; + class HitTestResult; + class IntRect; + class NavigationAction; + class Node; + class Page; + class PopupMenuClient; + class SecurityOrigin; + class SharedGraphicsContext3D; + 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; + virtual void focusedFrameChanged(Frame*) = 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&, const NavigationAction&) = 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 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; +#if ENABLE(TILED_BACKING_STORE) + virtual void delegatedScrollRequested(const IntSize&) = 0; +#endif + virtual IntPoint screenToWindow(const IntPoint&) const = 0; + virtual IntRect windowToScreen(const IntRect&) const = 0; + virtual PlatformPageClient platformPageClient() const = 0; + virtual void scrollbarsModeDidChange() const = 0; + virtual void setCursor(const Cursor&) = 0; + // End methods used by HostWindow. + + virtual void dispatchViewportDataDidChange(const ViewportArguments&) const { } + + 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. + + virtual bool shouldMissingPluginMessageBeButton() const { return false; } + virtual void missingPluginButtonClicked(Element*) const { } + virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags) = 0; + + virtual void setToolTip(const String&, TextDirection) = 0; + + 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; + + // Callback invoked when the application cache origin quota is reached. This + // means that the resources attempting to be cached via the manifest are + // more than allowed on this origin. This callback allows the chrome client + // to take action, such as prompting the user to ask to increase the quota + // for this origin. + virtual void reachedApplicationCacheOriginQuota(SecurityOrigin* origin) = 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&); + + // FIXME: Remove once all ports are using client-based geolocation. https://bugs.webkit.org/show_bug.cgi?id=40373 + // For client-based geolocation, these two methods have moved to GeolocationClient. https://bugs.webkit.org/show_bug.cgi?id=50061 + // 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*, Geolocation*) = 0; + + virtual void runOpenPanel(Frame*, PassRefPtr) = 0; + // Asynchronous request to load an icon for specified filenames. + virtual void chooseIconForFiles(const Vector&, 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; + + virtual void formDidFocus(const Node*) { }; + virtual void formDidBlur(const Node*) { }; + + virtual PassOwnPtr 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; } + + enum CompositingTrigger { + ThreeDTransformTrigger = 1 << 0, + VideoTrigger = 1 << 1, + PluginTrigger = 1 << 2, + CanvasTrigger = 1 << 3, + AnimationTrigger = 1 << 4, + AllTriggers = 0xFFFFFFFF + }; + typedef unsigned CompositingTriggerFlags; + + // Returns a bitfield indicating conditions that can trigger the compositor. + virtual CompositingTriggerFlags allowedCompositingTriggers() const { return static_cast(AllTriggers); } +#endif + + virtual bool supportsFullscreenForNode(const Node*) { return false; } + virtual void enterFullscreenForNode(Node*) { } + virtual void exitFullscreenForNode(Node*) { } + virtual bool requiresFullscreenForVideoPlayback() { return false; } + +#if ENABLE(FULLSCREEN_API) + virtual bool supportsFullScreenForElement(const Element*) { return false; } + virtual void enterFullScreenForElement(Element*) { } + virtual void exitFullScreenForElement(Element*) { } + virtual void fullScreenRendererChanged(RenderBox*) { } +#endif + +#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 PLATFORM(WIN) + virtual void setLastSetCursorToCurrentCursor() = 0; +#endif + +#if ENABLE(TOUCH_EVENTS) + virtual void needTouchEvents(bool) = 0; +#endif + + virtual bool selectItemWritingDirectionIsNatural() = 0; + virtual PassRefPtr createPopupMenu(PopupMenuClient*) const = 0; + virtual PassRefPtr createSearchPopupMenu(PopupMenuClient*) const = 0; + +#if ENABLE(CONTEXT_MENUS) + virtual void showContextMenu() = 0; +#endif + + virtual void postAccessibilityNotification(AccessibilityObject*, AXObjectCache::AXNotification) { } + +#if ENABLE(ANDROID_INSTALLABLE_WEB_APPS) + virtual void webAppCanBeInstalled() = 0; +#endif + + protected: + virtual ~ChromeClient() { } + }; + +} + +#endif // ChromeClient_h -- cgit v1.1