cef/include/cef_render_process_handler.h

169 lines
6.8 KiB
C++

// Copyright (c) 2013 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_RENDER_PROCESS_HANDLER_H_
#define CEF_INCLUDE_CEF_RENDER_PROCESS_HANDLER_H_
#pragma once
#include "include/cef_base.h"
#include "include/cef_browser.h"
#include "include/cef_dom.h"
#include "include/cef_frame.h"
#include "include/cef_load_handler.h"
#include "include/cef_process_message.h"
#include "include/cef_v8.h"
#include "include/cef_values.h"
///
// Class used to implement render process callbacks. The methods of this class
// will be called on the render process main thread (TID_RENDERER) unless
// otherwise indicated.
///
/*--cef(source=client)--*/
class CefRenderProcessHandler : public virtual CefBase {
public:
typedef cef_navigation_type_t NavigationType;
///
// Called after the render process main thread has been created. |extra_info|
// is a read-only value originating from
// CefBrowserProcessHandler::OnRenderProcessThreadCreated(). Do not keep a
// reference to |extra_info| outside of this method.
///
/*--cef()--*/
virtual void OnRenderThreadCreated(CefRefPtr<CefListValue> extra_info) {}
///
// Called after WebKit has been initialized.
///
/*--cef()--*/
virtual void OnWebKitInitialized() {}
///
// Called after a browser has been created. When browsing cross-origin a new
// browser will be created before the old browser with the same identifier is
// destroyed.
///
/*--cef()--*/
virtual void OnBrowserCreated(CefRefPtr<CefBrowser> browser) {}
///
// Called before a browser is destroyed.
///
/*--cef()--*/
virtual void OnBrowserDestroyed(CefRefPtr<CefBrowser> browser) {}
///
// Return the handler for browser load status events.
///
/*--cef()--*/
virtual CefRefPtr<CefLoadHandler> GetLoadHandler() {
return NULL;
}
///
// Called before browser navigation. Return true to cancel the navigation or
// false to allow the navigation to proceed. The |request| object cannot be
// modified in this callback.
///
/*--cef()--*/
virtual bool OnBeforeNavigation(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefRequest> request,
NavigationType navigation_type,
bool is_redirect) { return false; }
///
// Called immediately after the V8 context for a frame has been created. To
// retrieve the JavaScript 'window' object use the CefV8Context::GetGlobal()
// method. V8 handles can only be accessed from the thread on which they are
// created. A task runner for posting tasks on the associated thread can be
// retrieved via the CefV8Context::GetTaskRunner() method.
///
/*--cef()--*/
virtual void OnContextCreated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) {}
///
// Called immediately before the V8 context for a frame is released. No
// references to the context should be kept after this method is called.
///
/*--cef()--*/
virtual void OnContextReleased(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) {}
///
// Called for global uncaught exceptions in a frame. Execution of this
// callback is disabled by default. To enable set
// CefSettings.uncaught_exception_stack_size > 0.
///
/*--cef()--*/
virtual void OnUncaughtException(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context,
CefRefPtr<CefV8Exception> exception,
CefRefPtr<CefV8StackTrace> stackTrace) {}
///
// Called when a new node in the the browser gets focus. The |node| value may
// be empty if no specific node has gained focus. The node object passed to
// this method represents a snapshot of the DOM at the time this method is
// executed. DOM objects are only valid for the scope of this method. Do not
// keep references to or attempt to access any DOM objects outside the scope
// of this method.
///
/*--cef(optional_param=frame,optional_param=node)--*/
virtual void OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefDOMNode> node) {}
///
// Called when a new message is received from a different process. Return true
// if the message was handled or false otherwise. Do not keep a reference to
// or attempt to access the message outside of this callback.
///
/*--cef()--*/
virtual bool OnProcessMessageReceived(CefRefPtr<CefBrowser> browser,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) {
return false;
}
};
#endif // CEF_INCLUDE_CEF_RENDER_PROCESS_HANDLER_H_