1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved. 3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 4 * Copyright (C) 2012 Samsung Electronics. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef ChromeClient_h 23 #define ChromeClient_h 24 25 #include "core/accessibility/AXObjectCache.h" 26 #include "core/inspector/ConsoleAPITypes.h" 27 #include "core/loader/FrameLoader.h" 28 #include "core/loader/NavigationPolicy.h" 29 #include "core/frame/ConsoleTypes.h" 30 #include "core/page/FocusType.h" 31 #include "core/rendering/style/RenderStyleConstants.h" 32 #include "platform/Cursor.h" 33 #include "platform/HostWindow.h" 34 #include "platform/PopupMenu.h" 35 #include "platform/PopupMenuClient.h" 36 #include "platform/heap/Handle.h" 37 #include "platform/scroll/ScrollTypes.h" 38 #include "wtf/Forward.h" 39 #include "wtf/PassOwnPtr.h" 40 #include "wtf/Vector.h" 41 42 namespace blink { 43 44 class AXObject; 45 class ColorChooser; 46 class ColorChooserClient; 47 class DateTimeChooser; 48 class DateTimeChooserClient; 49 class Element; 50 class FileChooser; 51 class FloatRect; 52 class Frame; 53 class GraphicsContext; 54 class GraphicsLayer; 55 class GraphicsLayerFactory; 56 class HitTestResult; 57 class HTMLFormControlElement; 58 class HTMLInputElement; 59 class IntRect; 60 class LocalFrame; 61 class Node; 62 class Page; 63 class PagePopup; 64 class PagePopupClient; 65 class PagePopupDriver; 66 class PopupMenuClient; 67 68 struct CompositedSelectionBound; 69 struct DateTimeChooserParameters; 70 struct FrameLoadRequest; 71 struct GraphicsDeviceAdapter; 72 struct ViewportDescription; 73 struct WindowFeatures; 74 75 class ChromeClient { 76 public: 77 virtual void chromeDestroyed() = 0; 78 79 virtual void setWindowRect(const FloatRect&) = 0; 80 virtual FloatRect windowRect() = 0; 81 82 virtual FloatRect pageRect() = 0; 83 84 virtual void focus() = 0; 85 86 virtual bool canTakeFocus(FocusType) = 0; 87 virtual void takeFocus(FocusType) = 0; 88 89 virtual void focusedNodeChanged(Node*) = 0; 90 91 virtual void focusedFrameChanged(LocalFrame*) = 0; 92 93 // The LocalFrame pointer provides the ChromeClient with context about which 94 // LocalFrame wants to create the new Page. Also, the newly created window 95 // should not be shown to the user until the ChromeClient of the newly 96 // created Page has its show method called. 97 // The FrameLoadRequest parameter is only for ChromeClient to check if the 98 // request could be fulfilled. The ChromeClient should not load the request. 99 virtual Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer) = 0; 100 virtual void show(NavigationPolicy) = 0; 101 102 virtual bool canRunModal() = 0; 103 virtual void runModal() = 0; 104 105 virtual void setToolbarsVisible(bool) = 0; 106 virtual bool toolbarsVisible() = 0; 107 108 virtual void setStatusbarVisible(bool) = 0; 109 virtual bool statusbarVisible() = 0; 110 111 virtual void setScrollbarsVisible(bool) = 0; 112 virtual bool scrollbarsVisible() = 0; 113 114 virtual void setMenubarVisible(bool) = 0; 115 virtual bool menubarVisible() = 0; 116 117 virtual void setResizable(bool) = 0; 118 119 virtual bool shouldReportDetailedMessageForSource(const String& source) = 0; 120 virtual void addMessageToConsole(LocalFrame*, MessageSource, MessageLevel, const String& message, unsigned lineNumber, const String& sourceID, const String& stackTrace) = 0; 121 122 virtual bool canRunBeforeUnloadConfirmPanel() = 0; 123 virtual bool runBeforeUnloadConfirmPanel(const String& message, LocalFrame*) = 0; 124 125 virtual void closeWindowSoon() = 0; 126 127 virtual void runJavaScriptAlert(LocalFrame*, const String&) = 0; 128 virtual bool runJavaScriptConfirm(LocalFrame*, const String&) = 0; 129 virtual bool runJavaScriptPrompt(LocalFrame*, const String& message, const String& defaultValue, String& result) = 0; 130 virtual void setStatusbarText(const String&) = 0; 131 virtual bool tabsToLinks() = 0; 132 133 virtual void* webView() const = 0; 134 135 virtual IntRect windowResizerRect() const = 0; 136 137 // Methods used by HostWindow. 138 virtual void invalidateContentsAndRootView(const IntRect&) = 0; 139 virtual void invalidateContentsForSlowScroll(const IntRect&) = 0; 140 virtual IntRect rootViewToScreen(const IntRect&) const = 0; 141 virtual blink::WebScreenInfo screenInfo() const = 0; 142 virtual void setCursor(const Cursor&) = 0; 143 virtual void scheduleAnimation() = 0; 144 // End methods used by HostWindow. 145 146 virtual void dispatchViewportPropertiesDidChange(const ViewportDescription&) const { } 147 148 virtual void contentsSizeChanged(LocalFrame*, const IntSize&) const = 0; 149 virtual void deviceOrPageScaleFactorChanged() const { } 150 virtual void layoutUpdated(LocalFrame*) const { } 151 152 virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags) = 0; 153 154 virtual void setToolTip(const String&, TextDirection) = 0; 155 156 virtual void print(LocalFrame*) = 0; 157 158 virtual void annotatedRegionsChanged() = 0; 159 160 virtual bool paintCustomOverhangArea(GraphicsContext*, const IntRect&, const IntRect&, const IntRect&) = 0; 161 162 virtual PassOwnPtr<ColorChooser> createColorChooser(LocalFrame*, ColorChooserClient*, const Color&) = 0; 163 164 // This function is used for: 165 // - Mandatory date/time choosers if !ENABLE(INPUT_MULTIPLE_FIELDS_UI) 166 // - Date/time choosers for types for which RenderTheme::supportsCalendarPicker 167 // returns true, if ENABLE(INPUT_MULTIPLE_FIELDS_UI) 168 // - <datalist> UI for date/time input types regardless of 169 // ENABLE(INPUT_MULTIPLE_FIELDS_UI) 170 virtual PassRefPtr<DateTimeChooser> openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&) = 0; 171 172 virtual void openTextDataListChooser(HTMLInputElement&) = 0; 173 174 virtual void runOpenPanel(LocalFrame*, PassRefPtr<FileChooser>) = 0; 175 176 // Asychronous request to enumerate all files in a directory chosen by the user. 177 virtual void enumerateChosenDirectory(FileChooser*) = 0; 178 179 // Allows ports to customize the type of graphics layers created by this page. 180 virtual GraphicsLayerFactory* graphicsLayerFactory() const { return 0; } 181 182 // Pass 0 as the GraphicsLayer to detatch the root layer. 183 virtual void attachRootGraphicsLayer(GraphicsLayer*) = 0; 184 185 virtual void enterFullScreenForElement(Element*) { } 186 virtual void exitFullScreenForElement(Element*) { } 187 188 virtual void clearCompositedSelectionBounds() { } 189 virtual void updateCompositedSelectionBounds(const CompositedSelectionBound& anchor, const CompositedSelectionBound& focus) { } 190 191 virtual void needTouchEvents(bool) = 0; 192 193 virtual void setTouchAction(TouchAction) = 0; 194 195 // Checks if there is an opened popup, called by RenderMenuList::showPopup(). 196 virtual bool hasOpenedPopup() const = 0; 197 virtual PassRefPtrWillBeRawPtr<PopupMenu> createPopupMenu(LocalFrame&, PopupMenuClient*) const = 0; 198 // For testing. 199 virtual void setPagePopupDriver(PagePopupDriver*) = 0; 200 virtual void resetPagePopupDriver() = 0; 201 202 virtual void postAccessibilityNotification(AXObject*, AXObjectCache::AXNotification) { } 203 virtual String acceptLanguages() = 0; 204 205 enum DialogType { 206 AlertDialog = 0, 207 ConfirmDialog = 1, 208 PromptDialog = 2, 209 HTMLDialog = 3 210 }; 211 virtual bool shouldRunModalDialogDuringPageDismissal(const DialogType&, const String&, Document::PageDismissalType) const { return true; } 212 213 virtual bool isSVGImageChromeClient() const { return false; } 214 215 virtual bool requestPointerLock() { return false; } 216 virtual void requestPointerUnlock() { } 217 218 virtual FloatSize minimumWindowSize() const { return FloatSize(100, 100); }; 219 220 virtual bool isChromeClientImpl() const { return false; } 221 222 virtual void didAssociateFormControls(const WillBeHeapVector<RefPtrWillBeMember<Element> >&) { }; 223 virtual void didChangeValueInTextField(HTMLFormControlElement&) { } 224 virtual void didEndEditingOnTextField(HTMLInputElement&) { } 225 virtual void handleKeyboardEventOnTextField(HTMLInputElement&, KeyboardEvent&) { } 226 227 // FIXME: Remove this method once we have input routing in the browser 228 // process. See http://crbug.com/339659. 229 virtual void forwardInputEvent(blink::Frame*, blink::Event*) { } 230 231 // Input mehtod editor related functions. 232 virtual void didCancelCompositionOnSelectionChange() { } 233 virtual void willSetInputMethodState() { } 234 virtual void didUpdateTextOfFocusedElementByNonUserInput() { } 235 virtual void showImeIfNeeded() { } 236 237 protected: 238 virtual ~ChromeClient() { } 239 }; 240 241 } 242 #endif // ChromeClient_h 243
