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