cef/include/cef_frame.h

// 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_FRAME_H_
#define CEF_INCLUDE_CEF_FRAME_H_
#pragma once

#include "include/cef_base.h"
#include "include/cef_dom.h"
#include "include/cef_request.h"
#include "include/cef_stream.h"
#include "include/cef_string_visitor.h"

class CefBrowser;
class CefV8Context;

///
// Class used to represent a frame in the browser window. When used in the
// browser process the methods of this class may be called on any thread unless
// otherwise indicated in the comments. When used in the render process the
// methods of this class may only be called on the main thread.
///
/*--cef(source=library)--*/
class CefFrame : public virtual CefBase {
 public:
  ///
  // True if this object is currently attached to a valid frame.
  ///
  /*--cef()--*/
  virtual bool IsValid() =0;

  ///
  // Execute undo in this frame.
  ///
  /*--cef()--*/
  virtual void Undo() =0;

  ///
  // Execute redo in this frame.
  ///
  /*--cef()--*/
  virtual void Redo() =0;

  ///
  // Execute cut in this frame.
  ///
  /*--cef()--*/
  virtual void Cut() =0;

  ///
  // Execute copy in this frame.
  ///
  /*--cef()--*/
  virtual void Copy() =0;

  ///
  // Execute paste in this frame.
  ///
  /*--cef()--*/
  virtual void Paste() =0;

  ///
  // Execute delete in this frame.
  ///
  /*--cef(capi_name=del)--*/
  virtual void Delete() =0;

  ///
  // Execute select all in this frame.
  ///
  /*--cef()--*/
  virtual void SelectAll() =0;

  ///
  // Save this frame's HTML source to a temporary file and open it in the
  // default text viewing application. This method can only be called from the
  // browser process.
  ///
  /*--cef()--*/
  virtual void ViewSource() =0;

  ///
  // Retrieve this frame's HTML source as a string sent to the specified
  // visitor.
  ///
  /*--cef()--*/
  virtual void GetSource(CefRefPtr<CefStringVisitor> visitor) =0;

  ///
  // Retrieve this frame's display text as a string sent to the specified
  // visitor.
  ///
  /*--cef()--*/
  virtual void GetText(CefRefPtr<CefStringVisitor> visitor) =0;

  ///
  // Load the request represented by the |request| object.
  ///
  /*--cef()--*/
  virtual void LoadRequest(CefRefPtr<CefRequest> request) =0;

  ///
  // Load the specified |url|.
  ///
  /*--cef()--*/
  virtual void LoadURL(const CefString& url) =0;

  ///
  // Load the contents of |string_val| with the specified dummy |url|. |url|
  // should have a standard scheme (for example, http scheme) or behaviors like
  // link clicks and web security restrictions may not behave as expected.
  ///
  /*--cef()--*/
  virtual void LoadString(const CefString& string_val,
                          const CefString& url) =0;

  ///
  // Execute a string of JavaScript code in this frame. The |script_url|
  // parameter is the URL where the script in question can be found, if any.
  // The renderer may request this URL to show the developer the source of the
  // error.  The |start_line| parameter is the base line number to use for error
  // reporting.
  ///
  /*--cef(optional_param=script_url)--*/
  virtual void ExecuteJavaScript(const CefString& code,
                                 const CefString& script_url,
                                 int start_line) =0;

  ///
  // Returns true if this is the main (top-level) frame.
  ///
  /*--cef()--*/
  virtual bool IsMain() =0;

  ///
  // Returns true if this is the focused frame.
  ///
  /*--cef()--*/
  virtual bool IsFocused() =0;

  ///
  // Returns the name for this frame. If the frame has an assigned name (for
  // example, set via the iframe "name" attribute) then that value will be
  // returned. Otherwise a unique name will be constructed based on the frame
  // parent hierarchy. The main (top-level) frame will always have an empty name
  // value.
  ///
  /*--cef()--*/
  virtual CefString GetName() =0;

  ///
  // Returns the globally unique identifier for this frame.
  ///
  /*--cef()--*/
  virtual int64 GetIdentifier() =0;

  ///
  // Returns the parent of this frame or NULL if this is the main (top-level)
  // frame.
  ///
  /*--cef()--*/
  virtual CefRefPtr<CefFrame> GetParent() =0;

  ///
  // Returns the URL currently loaded in this frame.
  ///
  /*--cef()--*/
  virtual CefString GetURL() =0;

  ///
  // Returns the browser that this frame belongs to.
  ///
  /*--cef()--*/
  virtual CefRefPtr<CefBrowser> GetBrowser() =0;

  ///
  // Get the V8 context associated with the frame. This method can only be
  // called from the render process.
  ///
  /*--cef()--*/
  virtual CefRefPtr<CefV8Context> GetV8Context() =0;
  
  ///
  // Visit the DOM document. This method can only be called from the render
  // process.
  ///
  /*--cef()--*/
  virtual void VisitDOM(CefRefPtr<CefDOMVisitor> visitor) =0;
};

#endif  // CEF_INCLUDE_CEF_FRAME_H_