Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 309 insertions, 0 deletions

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
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+/*
+ * 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 <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 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<FileChooser>) = 0;
+        // Asynchronous request to load an icon for specified filenames.
+        virtual void chooseIconForFiles(const Vector<String>&, 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<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; }
+
+        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<CompositingTriggerFlags>(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<PopupMenu> createPopupMenu(PopupMenuClient*) const = 0;
+        virtual PassRefPtr<SearchPopupMenu> 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