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| 1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // WebCore provides hooks for several kinds of functionality, allowing separate | 5 // WebCore provides hooks for several kinds of functionality, allowing separate |
| 6 // classes termed "delegates" to receive notifications (in the form of direct | 6 // classes termed "delegates" to receive notifications (in the form of direct |
| 7 // function calls) when certain events are about to occur or have just occurred. | 7 // function calls) when certain events are about to occur or have just occurred. |
| 8 // In some cases, the delegate implements the needed functionality; in others, | 8 // In some cases, the delegate implements the needed functionality; in others, |
| 9 // the delegate has some control over the behavior but doesn't actually | 9 // the delegate has some control over the behavior but doesn't actually |
| 10 // implement it. For example, the UI delegate is responsible for showing a | 10 // implement it. For example, the UI delegate is responsible for showing a |
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| 21 // the needed functionality of the WebKit UIDelegate, ContextMenuDelegate, | 21 // the needed functionality of the WebKit UIDelegate, ContextMenuDelegate, |
| 22 // PolicyDelegate, FrameLoadDelegate, and EditorDelegate; additional portions | 22 // PolicyDelegate, FrameLoadDelegate, and EditorDelegate; additional portions |
| 23 // of ChromeClient and FrameLoaderClient not delegated in the WebKit | 23 // of ChromeClient and FrameLoaderClient not delegated in the WebKit |
| 24 // implementation; and some WebView additions. | 24 // implementation; and some WebView additions. |
| 25 | 25 |
| 26 #ifndef WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ | 26 #ifndef WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ |
| 27 #define WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ | 27 #define WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ |
| 28 | 28 |
| 29 #include <vector> | 29 #include <vector> |
| 30 | 30 |
| 31 #include "base/gfx/native_widget_types.h" | |
| 32 #include "webkit/api/public/WebFrame.h" | 31 #include "webkit/api/public/WebFrame.h" |
| 33 #include "webkit/api/public/WebNavigationPolicy.h" | 32 #include "webkit/api/public/WebNavigationPolicy.h" |
| 34 #include "webkit/api/public/WebNavigationType.h" | 33 #include "webkit/api/public/WebNavigationType.h" |
| 35 #include "webkit/api/public/WebTextDirection.h" | 34 #include "webkit/api/public/WebTextDirection.h" |
| 36 #include "webkit/api/public/WebWidgetClient.h" | 35 #include "webkit/api/public/WebWidgetClient.h" |
| 37 #include "webkit/glue/context_menu.h" | 36 #include "webkit/glue/context_menu.h" |
| 38 | 37 |
| 39 namespace webkit_glue { | 38 namespace webkit_glue { |
| 40 class WebMediaPlayerDelegate; | 39 class WebMediaPlayerDelegate; |
| 40 struct WebPluginGeometry; |
| 41 } | 41 } |
| 42 | 42 |
| 43 namespace WebCore { | 43 namespace WebCore { |
| 44 class AccessibilityObject; | 44 class AccessibilityObject; |
| 45 } | 45 } |
| 46 | 46 |
| 47 namespace WebKit { | 47 namespace WebKit { |
| 48 class WebDataSource; | 48 class WebDataSource; |
| 49 class WebDragData; | 49 class WebDragData; |
| 50 class WebForm; | 50 class WebForm; |
| 51 class WebWorker; | 51 class WebWorker; |
| 52 class WebWorkerClient; | 52 class WebWorkerClient; |
| 53 class WebMediaPlayer; | 53 class WebMediaPlayer; |
| 54 class WebMediaPlayerClient; | 54 class WebMediaPlayerClient; |
| 55 class WebNode; | 55 class WebNode; |
| 56 class WebNotificationPresenter; | 56 class WebNotificationPresenter; |
| 57 class WebPlugin; |
| 57 class WebURLRequest; | 58 class WebURLRequest; |
| 58 class WebURLResponse; | 59 class WebURLResponse; |
| 59 class WebWidget; | 60 class WebWidget; |
| 61 struct WebPluginParams; |
| 60 struct WebPoint; | 62 struct WebPoint; |
| 61 struct WebPopupMenuInfo; | 63 struct WebPopupMenuInfo; |
| 62 struct WebRect; | 64 struct WebRect; |
| 63 struct WebURLError; | 65 struct WebURLError; |
| 64 } | 66 } |
| 65 | 67 |
| 66 class FilePath; | 68 class FilePath; |
| 67 class SkBitmap; | 69 class SkBitmap; |
| 68 class WebDevToolsAgentDelegate; | 70 class WebDevToolsAgentDelegate; |
| 69 class WebMediaPlayerDelegate; | 71 class WebMediaPlayerDelegate; |
| 70 class WebPluginDelegate; | |
| 71 class WebView; | 72 class WebView; |
| 72 struct ContextMenuMediaParams; | 73 struct ContextMenuMediaParams; |
| 73 struct WebPluginGeometry; | |
| 74 struct WebPreferences; | 74 struct WebPreferences; |
| 75 | 75 |
| 76 enum NavigationGesture { | 76 enum NavigationGesture { |
| 77 NavigationGestureUser, // User initiated navigation/load. This is not | 77 NavigationGestureUser, // User initiated navigation/load. This is not |
| 78 // currently used due to the untrustworthy nature | 78 // currently used due to the untrustworthy nature |
| 79 // of userGestureHint (wasRunByUserGesture). See | 79 // of userGestureHint (wasRunByUserGesture). See |
| 80 // bug 1051891. | 80 // bug 1051891. |
| 81 NavigationGestureAuto, // Non-user initiated navigation / load. For example | 81 NavigationGestureAuto, // Non-user initiated navigation / load. For example |
| 82 // onload or setTimeout triggered document.location | 82 // onload or setTimeout triggered document.location |
| 83 // changes, and form.submits. See bug 1046841 for | 83 // changes, and form.submits. See bug 1046841 for |
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| 129 } | 129 } |
| 130 | 130 |
| 131 // Like CreatePopupWidget, except the actual widget is rendered by the | 131 // Like CreatePopupWidget, except the actual widget is rendered by the |
| 132 // embedder using the supplied info. | 132 // embedder using the supplied info. |
| 133 virtual WebKit::WebWidget* CreatePopupWidgetWithInfo( | 133 virtual WebKit::WebWidget* CreatePopupWidgetWithInfo( |
| 134 WebView* webview, | 134 WebView* webview, |
| 135 const WebKit::WebPopupMenuInfo& info) { | 135 const WebKit::WebPopupMenuInfo& info) { |
| 136 return NULL; | 136 return NULL; |
| 137 } | 137 } |
| 138 | 138 |
| 139 // This method is called to create a WebPluginDelegate implementation when a | 139 virtual WebKit::WebPlugin* CreatePlugin( |
| 140 // new plugin is instanced. See webkit_glue::CreateWebPluginDelegateHelper | 140 WebKit::WebFrame* parent_frame, |
| 141 // for a default WebPluginDelegate implementation. | 141 const WebKit::WebPluginParams& params) { |
| 142 // TODO(port): clsid is very Win- and ActiveX-specific; refactor to be more | |
| 143 // platform-neutral | |
| 144 virtual WebPluginDelegate* CreatePluginDelegate( | |
| 145 WebView* webview, | |
| 146 const GURL& url, | |
| 147 const std::string& mime_type, | |
| 148 const std::string& clsid, | |
| 149 std::string* actual_mime_type) { | |
| 150 return NULL; | 142 return NULL; |
| 151 } | 143 } |
| 152 | 144 |
| 153 // Called when a windowed plugin is created. | |
| 154 // Lets the view delegate create anything it is using to wrap the plugin. | |
| 155 virtual void CreatedPluginWindow(gfx::PluginWindowHandle handle) { } | |
| 156 | |
| 157 // Called when a windowed plugin is closing. | |
| 158 // Lets the view delegate shut down anything it is using to wrap the plugin. | |
| 159 virtual void WillDestroyPluginWindow(gfx::PluginWindowHandle handle) { } | |
| 160 | |
| 161 // This method is called when the renderer creates a worker object. | 145 // This method is called when the renderer creates a worker object. |
| 162 virtual WebKit::WebWorker* CreateWebWorker(WebKit::WebWorkerClient* client) { | 146 virtual WebKit::WebWorker* CreateWebWorker(WebKit::WebWorkerClient* client) { |
| 163 return NULL; | 147 return NULL; |
| 164 } | 148 } |
| 165 | 149 |
| 166 // Called when a WebMediaPlayer is needed. | 150 // Called when a WebMediaPlayer is needed. |
| 167 virtual WebKit::WebMediaPlayer* CreateWebMediaPlayer( | 151 virtual WebKit::WebMediaPlayer* CreateWebMediaPlayer( |
| 168 WebKit::WebMediaPlayerClient* client) { | 152 WebKit::WebMediaPlayerClient* client) { |
| 169 return NULL; | 153 return NULL; |
| 170 } | 154 } |
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| 198 return true; | 182 return true; |
| 199 } | 183 } |
| 200 | 184 |
| 201 // Called by ChromeClientImpl::focus() if accessibility on the renderer side | 185 // Called by ChromeClientImpl::focus() if accessibility on the renderer side |
| 202 // is enabled, and a focus change has occurred. Will retrieve the id of the | 186 // is enabled, and a focus change has occurred. Will retrieve the id of the |
| 203 // input AccessibilityObject and send it through IPC for handling on the | 187 // input AccessibilityObject and send it through IPC for handling on the |
| 204 // browser side. | 188 // browser side. |
| 205 virtual void FocusAccessibilityObject(WebCore::AccessibilityObject* acc_obj) { | 189 virtual void FocusAccessibilityObject(WebCore::AccessibilityObject* acc_obj) { |
| 206 } | 190 } |
| 207 | 191 |
| 208 // Keeps track of the necessary window move for a plugin window that resulted | |
| 209 // from a scroll operation. That way, all plugin windows can be moved at the | |
| 210 // same time as each other and the page. | |
| 211 virtual void DidMovePlugin(const WebPluginGeometry& move) { | |
| 212 } | |
| 213 | |
| 214 // FrameLoaderClient ------------------------------------------------------- | 192 // FrameLoaderClient ------------------------------------------------------- |
| 215 | 193 |
| 216 virtual bool CanAcceptLoadDrops() const { | 194 virtual bool CanAcceptLoadDrops() const { |
| 217 // Always return true here so layout tests (which use the default WebView | 195 // Always return true here so layout tests (which use the default WebView |
| 218 // delegate) continue to pass. | 196 // delegate) continue to pass. |
| 219 return true; | 197 return true; |
| 220 } | 198 } |
| 221 | 199 |
| 222 // Notifies the delegate that a load has begun. | 200 // Notifies the delegate that a load has begun. |
| 223 virtual void DidStartLoading(WebView* webview) { | 201 virtual void DidStartLoading(WebView* webview) { |
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| 551 } | 529 } |
| 552 | 530 |
| 553 // Called to retrieve the provider of desktop notifications. Pointer | 531 // Called to retrieve the provider of desktop notifications. Pointer |
| 554 // is owned by the implementation of WebViewDelegate. | 532 // is owned by the implementation of WebViewDelegate. |
| 555 virtual WebKit::WebNotificationPresenter* GetNotificationPresenter() { | 533 virtual WebKit::WebNotificationPresenter* GetNotificationPresenter() { |
| 556 return NULL; | 534 return NULL; |
| 557 } | 535 } |
| 558 | 536 |
| 559 // UIDelegate -------------------------------------------------------------- | 537 // UIDelegate -------------------------------------------------------------- |
| 560 | 538 |
| 561 // Asks the browser to show a modal HTML dialog. The dialog is passed the | |
| 562 // given arguments as a JSON string, and returns its result as a JSON string | |
| 563 // through json_retval. | |
| 564 virtual void ShowModalHTMLDialog(const GURL& url, int width, int height, | |
| 565 const std::string& json_arguments, | |
| 566 std::string* json_retval) { | |
| 567 } | |
| 568 | |
| 569 // Displays a JavaScript alert panel associated with the given view. Clients | 539 // Displays a JavaScript alert panel associated with the given view. Clients |
| 570 // should visually indicate that this panel comes from JavaScript and some | 540 // should visually indicate that this panel comes from JavaScript and some |
| 571 // information about the originating frame (at least the domain). The panel | 541 // information about the originating frame (at least the domain). The panel |
| 572 // should have a single OK button. | 542 // should have a single OK button. |
| 573 virtual void RunJavaScriptAlert(WebKit::WebFrame* webframe, | 543 virtual void RunJavaScriptAlert(WebKit::WebFrame* webframe, |
| 574 const std::wstring& message) { | 544 const std::wstring& message) { |
| 575 } | 545 } |
| 576 | 546 |
| 577 // Displays a JavaScript confirm panel associated with the given view. | 547 // Displays a JavaScript confirm panel associated with the given view. |
| 578 // Clients should visually indicate that this panel comes | 548 // Clients should visually indicate that this panel comes |
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| 851 // Called when an item was added to the history | 821 // Called when an item was added to the history |
| 852 virtual void DidAddHistoryItem() { } | 822 virtual void DidAddHistoryItem() { } |
| 853 | 823 |
| 854 WebViewDelegate() { } | 824 WebViewDelegate() { } |
| 855 | 825 |
| 856 protected: | 826 protected: |
| 857 ~WebViewDelegate() { } | 827 ~WebViewDelegate() { } |
| 858 }; | 828 }; |
| 859 | 829 |
| 860 #endif // WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ | 830 #endif // WEBKIT_GLUE_WEBVIEW_DELEGATE_H_ |
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