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			293 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			293 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
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| //
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| // Redistribution and use in source and binary forms, with or without
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| // modification, are permitted provided that the following conditions are
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| // met:
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| //
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| //    * Redistributions of source code must retain the above copyright
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| // notice, this list of conditions and the following disclaimer.
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| //    * Redistributions in binary form must reproduce the above
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| // copyright notice, this list of conditions and the following disclaimer
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| // in the documentation and/or other materials provided with the
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| // distribution.
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| //    * Neither the name of Google Inc. nor the name Chromium Embedded
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| // Framework nor the names of its contributors may be used to endorse
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| // or promote products derived from this software without specific prior
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| // written permission.
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| //
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| //
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| // ---------------------------------------------------------------------------
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| //
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| // The contents of this file must follow a specific format in order to
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| // support the CEF translator tool. See the translator.README.txt file in the
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| // tools directory for more information.
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| //
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| 
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| #ifndef CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_
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| #define CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_
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| #pragma once
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| 
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| #include "include/cef_base.h"
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| #include "include/cef_browser.h"
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| #include "include/cef_frame.h"
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| #include "include/cef_menu_model.h"
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| 
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| class CefContextMenuParams;
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| 
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| ///
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| // Callback interface used for continuation of custom context menu display.
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| ///
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| /*--cef(source=library)--*/
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| class CefRunContextMenuCallback : public virtual CefBaseRefCounted {
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|  public:
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|   typedef cef_event_flags_t EventFlags;
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| 
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|   ///
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|   // Complete context menu display by selecting the specified |command_id| and
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|   // |event_flags|.
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|   ///
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|   /*--cef(capi_name=cont)--*/
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|   virtual void Continue(int command_id, EventFlags event_flags) = 0;
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| 
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|   ///
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|   // Cancel context menu display.
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|   ///
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|   /*--cef()--*/
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|   virtual void Cancel() = 0;
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| };
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| 
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| ///
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| // Implement this interface to handle context menu events. The methods of this
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| // class will be called on the UI thread.
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| ///
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| /*--cef(source=client)--*/
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| class CefContextMenuHandler : public virtual CefBaseRefCounted {
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|  public:
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|   typedef cef_event_flags_t EventFlags;
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| 
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|   ///
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|   // Called before a context menu is displayed. |params| provides information
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|   // about the context menu state. |model| initially contains the default
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|   // context menu. The |model| can be cleared to show no context menu or
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|   // modified to show a custom menu. Do not keep references to |params| or
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|   // |model| outside of this callback.
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|   ///
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|   /*--cef()--*/
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|   virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser,
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|                                    CefRefPtr<CefFrame> frame,
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|                                    CefRefPtr<CefContextMenuParams> params,
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|                                    CefRefPtr<CefMenuModel> model) {}
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| 
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|   ///
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|   // Called to allow custom display of the context menu. |params| provides
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|   // information about the context menu state. |model| contains the context menu
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|   // model resulting from OnBeforeContextMenu. For custom display return true
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|   // and execute |callback| either synchronously or asynchronously with the
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|   // selected command ID. For default display return false. Do not keep
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|   // references to |params| or |model| outside of this callback.
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|   ///
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|   /*--cef()--*/
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|   virtual bool RunContextMenu(CefRefPtr<CefBrowser> browser,
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|                               CefRefPtr<CefFrame> frame,
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|                               CefRefPtr<CefContextMenuParams> params,
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|                               CefRefPtr<CefMenuModel> model,
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|                               CefRefPtr<CefRunContextMenuCallback> callback) {
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|     return false;
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|   }
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| 
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|   ///
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|   // Called to execute a command selected from the context menu. Return true if
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|   // the command was handled or false for the default implementation. See
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|   // cef_menu_id_t for the command ids that have default implementations. All
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|   // user-defined command ids should be between MENU_ID_USER_FIRST and
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|   // MENU_ID_USER_LAST. |params| will have the same values as what was passed to
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|   // OnBeforeContextMenu(). Do not keep a reference to |params| outside of this
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|   // callback.
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|   ///
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|   /*--cef()--*/
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|   virtual bool OnContextMenuCommand(CefRefPtr<CefBrowser> browser,
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|                                     CefRefPtr<CefFrame> frame,
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|                                     CefRefPtr<CefContextMenuParams> params,
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|                                     int command_id,
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|                                     EventFlags event_flags) {
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|     return false;
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|   }
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| 
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|   ///
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|   // Called when the context menu is dismissed irregardless of whether the menu
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|   // was empty or a command was selected.
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|   ///
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|   /*--cef()--*/
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|   virtual void OnContextMenuDismissed(CefRefPtr<CefBrowser> browser,
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|                                       CefRefPtr<CefFrame> frame) {}
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| };
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| 
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| ///
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| // Provides information about the context menu state. The ethods of this class
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| // can only be accessed on browser process the UI thread.
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| ///
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| /*--cef(source=library)--*/
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| class CefContextMenuParams : public virtual CefBaseRefCounted {
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|  public:
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|   typedef cef_context_menu_type_flags_t TypeFlags;
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|   typedef cef_context_menu_media_type_t MediaType;
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|   typedef cef_context_menu_media_state_flags_t MediaStateFlags;
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|   typedef cef_context_menu_edit_state_flags_t EditStateFlags;
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| 
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|   ///
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|   // Returns the X coordinate of the mouse where the context menu was invoked.
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|   // Coords are relative to the associated RenderView's origin.
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|   ///
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|   /*--cef()--*/
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|   virtual int GetXCoord() = 0;
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| 
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|   ///
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|   // Returns the Y coordinate of the mouse where the context menu was invoked.
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|   // Coords are relative to the associated RenderView's origin.
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|   ///
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|   /*--cef()--*/
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|   virtual int GetYCoord() = 0;
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| 
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|   ///
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|   // Returns flags representing the type of node that the context menu was
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|   // invoked on.
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|   ///
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|   /*--cef(default_retval=CM_TYPEFLAG_NONE)--*/
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|   virtual TypeFlags GetTypeFlags() = 0;
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| 
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|   ///
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|   // Returns the URL of the link, if any, that encloses the node that the
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|   // context menu was invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetLinkUrl() = 0;
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| 
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|   ///
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|   // Returns the link URL, if any, to be used ONLY for "copy link address". We
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|   // don't validate this field in the frontend process.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetUnfilteredLinkUrl() = 0;
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| 
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|   ///
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|   // Returns the source URL, if any, for the element that the context menu was
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|   // invoked on. Example of elements with source URLs are img, audio, and video.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetSourceUrl() = 0;
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| 
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|   ///
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|   // Returns true if the context menu was invoked on an image which has
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|   // non-empty contents.
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|   ///
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|   /*--cef()--*/
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|   virtual bool HasImageContents() = 0;
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| 
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|   ///
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|   // Returns the title text or the alt text if the context menu was invoked on
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|   // an image.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetTitleText() = 0;
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| 
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|   ///
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|   // Returns the URL of the top level page that the context menu was invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetPageUrl() = 0;
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| 
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|   ///
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|   // Returns the URL of the subframe that the context menu was invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetFrameUrl() = 0;
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| 
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|   ///
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|   // Returns the character encoding of the subframe that the context menu was
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|   // invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetFrameCharset() = 0;
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| 
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|   ///
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|   // Returns the type of context node that the context menu was invoked on.
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|   ///
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|   /*--cef(default_retval=CM_MEDIATYPE_NONE)--*/
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|   virtual MediaType GetMediaType() = 0;
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| 
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|   ///
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|   // Returns flags representing the actions supported by the media element, if
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|   // any, that the context menu was invoked on.
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|   ///
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|   /*--cef(default_retval=CM_MEDIAFLAG_NONE)--*/
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|   virtual MediaStateFlags GetMediaStateFlags() = 0;
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| 
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|   ///
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|   // Returns the text of the selection, if any, that the context menu was
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|   // invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetSelectionText() = 0;
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| 
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|   ///
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|   // Returns the text of the misspelled word, if any, that the context menu was
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|   // invoked on.
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|   ///
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|   /*--cef()--*/
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|   virtual CefString GetMisspelledWord() = 0;
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| 
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|   ///
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|   // Returns true if suggestions exist, false otherwise. Fills in |suggestions|
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|   // from the spell check service for the misspelled word if there is one.
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|   ///
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|   /*--cef()--*/
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|   virtual bool GetDictionarySuggestions(
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|       std::vector<CefString>& suggestions) = 0;
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| 
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|   ///
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|   // Returns true if the context menu was invoked on an editable node.
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|   ///
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|   /*--cef()--*/
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|   virtual bool IsEditable() = 0;
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| 
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|   ///
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|   // Returns true if the context menu was invoked on an editable node where
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|   // spell-check is enabled.
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|   ///
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|   /*--cef()--*/
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|   virtual bool IsSpellCheckEnabled() = 0;
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| 
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|   ///
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|   // Returns flags representing the actions supported by the editable node, if
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|   // any, that the context menu was invoked on.
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|   ///
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|   /*--cef(default_retval=CM_EDITFLAG_NONE)--*/
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|   virtual EditStateFlags GetEditStateFlags() = 0;
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| 
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|   ///
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|   // Returns true if the context menu contains items specified by the renderer
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|   // process (for example, plugin placeholder or pepper plugin menu items).
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|   ///
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|   /*--cef()--*/
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|   virtual bool IsCustomMenu() = 0;
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| 
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|   ///
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|   // Returns true if the context menu was invoked from a pepper plugin.
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|   ///
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|   /*--cef()--*/
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|   virtual bool IsPepperMenu() = 0;
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| };
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| 
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| #endif  // CEF_INCLUDE_CEF_CONTEXT_MENU_HANDLER_H_
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