| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_ |
| #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_ |
| |
| #if defined(__OBJC__) |
| #import <Cocoa/Cocoa.h> |
| #endif |
| |
| #include "base/callback_forward.h" |
| #include "content/common/content_export.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| #if defined(__OBJC__) |
| @protocol RenderWidgetHostViewMacDelegate; |
| #endif |
| |
| namespace content { |
| class RenderFrameHost; |
| class RenderWidgetHost; |
| class WebDragDestDelegate; |
| struct ContextMenuParams; |
| |
| // This interface allows a client to extend the functionality of the |
| // WebContentsView implementation. |
| class CONTENT_EXPORT WebContentsViewDelegate { |
| public: |
| virtual ~WebContentsViewDelegate(); |
| |
| // Returns the native window containing the WebContents, or nullptr if the |
| // WebContents is not in any window. |
| virtual gfx::NativeWindow GetNativeWindow(); |
| |
| // Returns a delegate to process drags not handled by content. |
| virtual WebDragDestDelegate* GetDragDestDelegate(); |
| |
| // Shows a context menu. |
| virtual void ShowContextMenu(RenderFrameHost* render_frame_host, |
| const ContextMenuParams& params); |
| |
| // Store the current focused view and start tracking it. |
| virtual void StoreFocus(); |
| |
| // Restore focus to stored view if possible, return true if successful. |
| virtual bool RestoreFocus(); |
| |
| // Clears any stored focus. |
| virtual void ResetStoredFocus(); |
| |
| // Allows the delegate to intercept a request to focus the WebContents, |
| // and focus something else instead. Returns true when intercepted. |
| virtual bool Focus(); |
| |
| // Advance focus to the view that follows or precedes the WebContents. |
| virtual bool TakeFocus(bool reverse); |
| |
| // Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle |
| // events on the responder chain. |
| #if defined(__OBJC__) |
| virtual NSObject<RenderWidgetHostViewMacDelegate>* |
| CreateRenderWidgetHostViewDelegate(RenderWidgetHost* render_widget_host, |
| bool is_popup); |
| #else |
| virtual void* CreateRenderWidgetHostViewDelegate( |
| RenderWidgetHost* render_widget_host, |
| bool is_popup); |
| #endif |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_ |