cef/tests/cefclient/client_handler.h

// Copyright (c) 2011 The Chromium Embedded Framework 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 CEF_TESTS_CEFCLIENT_CLIENT_HANDLER_H_
#define CEF_TESTS_CEFCLIENT_CLIENT_HANDLER_H_
#pragma once

#include <map>
#include <set>
#include <string>
#include "include/cef_client.h"
#include "cefclient/util.h"


// Define this value to redirect all popup URLs to the main application browser
// window.
// #define TEST_REDIRECT_POPUP_URLS


// ClientHandler implementation.
class ClientHandler : public CefClient,
                      public CefLifeSpanHandler,
                      public CefLoadHandler,
                      public CefRequestHandler,
                      public CefDisplayHandler,
                      public CefGeolocationHandler {
 public:
  // Interface for process message delegates. Do not perform work in the
  // RenderDelegate constructor.
  class ProcessMessageDelegate : public virtual CefBase {
   public:
    // Called when a process message is received. Return true if the message was
    // handled and should not be passed on to other handlers.
    // ProcessMessageDelegates should check for unique message names to avoid
    // interfering with each other.
    virtual bool OnProcessMessageRecieved(
        CefRefPtr<ClientHandler> handler,
        CefRefPtr<CefBrowser> browser,
        CefProcessId source_process,
        CefRefPtr<CefProcessMessage> message) {
      return false;
    }
  };

  typedef std::set<CefRefPtr<ProcessMessageDelegate> >
      ProcessMessageDelegateSet;

  // Interface for request handler delegates. Do not perform work in the
  // RequestDelegate constructor.
  class RequestDelegate : public virtual CefBase {
   public:
    // Called to retrieve a resource handler.
    virtual CefRefPtr<CefResourceHandler> GetResourceHandler(
        CefRefPtr<ClientHandler> handler,
        CefRefPtr<CefBrowser> browser,
        CefRefPtr<CefFrame> frame,
        CefRefPtr<CefRequest> request) {
      return NULL;
    }
  };

  typedef std::set<CefRefPtr<RequestDelegate> > RequestDelegateSet;

  ClientHandler();
  virtual ~ClientHandler();

  // CefClient methods
  virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() OVERRIDE {
    return this;
  }
  virtual CefRefPtr<CefLoadHandler> GetLoadHandler() OVERRIDE {
    return this;
  }
  virtual CefRefPtr<CefRequestHandler> GetRequestHandler() OVERRIDE {
    return this;
  }
  virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() OVERRIDE {
    return this;
  }
  virtual CefRefPtr<CefGeolocationHandler> GetGeolocationHandler() OVERRIDE {
    return this;
  }
  virtual bool OnProcessMessageRecieved(CefRefPtr<CefBrowser> browser,
                                        CefProcessId source_process,
                                        CefRefPtr<CefProcessMessage> message)
                                        OVERRIDE;

  // CefLifeSpanHandler methods
  virtual bool OnBeforePopup(CefRefPtr<CefBrowser> parentBrowser,
                             const CefPopupFeatures& popupFeatures,
                             CefWindowInfo& windowInfo,
                             const CefString& url,
                             CefRefPtr<CefClient>& client,
                             CefBrowserSettings& settings) OVERRIDE;
  virtual void OnAfterCreated(CefRefPtr<CefBrowser> browser) OVERRIDE;
  virtual bool DoClose(CefRefPtr<CefBrowser> browser) OVERRIDE;
  virtual void OnBeforeClose(CefRefPtr<CefBrowser> browser) OVERRIDE;

  // CefLoadHandler methods
  virtual void OnLoadStart(CefRefPtr<CefBrowser> browser,
                           CefRefPtr<CefFrame> frame) OVERRIDE;
  virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser,
                         CefRefPtr<CefFrame> frame,
                         int httpStatusCode) OVERRIDE;
  virtual void OnLoadError(CefRefPtr<CefBrowser> browser,
                           CefRefPtr<CefFrame> frame,
                           ErrorCode errorCode,
                           const CefString& errorText,
                           const CefString& failedUrl) OVERRIDE;

  // CefRequestHandler methods
  virtual CefRefPtr<CefResourceHandler> GetResourceHandler(
      CefRefPtr<CefBrowser> browser,
      CefRefPtr<CefFrame> frame,
      CefRefPtr<CefRequest> request) OVERRIDE;

  // CefDisplayHandler methods
  virtual void OnLoadingStateChange(CefRefPtr<CefBrowser> browser,
                                    bool isLoading,
                                    bool canGoBack,
                                    bool canGoForward) OVERRIDE;
  virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,
                               CefRefPtr<CefFrame> frame,
                               const CefString& url) OVERRIDE;
  virtual void OnTitleChange(CefRefPtr<CefBrowser> browser,
                             const CefString& title) OVERRIDE;
  virtual bool OnConsoleMessage(CefRefPtr<CefBrowser> browser,
                                const CefString& message,
                                const CefString& source,
                                int line) OVERRIDE;

  // CefGeolocationHandler methods
  virtual void OnRequestGeolocationPermission(
      CefRefPtr<CefBrowser> browser,
      const CefString& requesting_url,
      int request_id,
      CefRefPtr<CefGeolocationCallback> callback) OVERRIDE;

  void SetMainHwnd(CefWindowHandle hwnd);
  CefWindowHandle GetMainHwnd() { return m_MainHwnd; }
  void SetEditHwnd(CefWindowHandle hwnd);
  void SetButtonHwnds(CefWindowHandle backHwnd,
                      CefWindowHandle forwardHwnd,
                      CefWindowHandle reloadHwnd,
                      CefWindowHandle stopHwnd);

  CefRefPtr<CefBrowser> GetBrowser() { return m_Browser; }
  int GetBrowserId() { return m_BrowserId; }

  std::string GetLogFile();

  void SetLastDownloadFile(const std::string& fileName);
  std::string GetLastDownloadFile();

  // Send a notification to the application. Notifications should not block the
  // caller.
  enum NotificationType {
    NOTIFY_CONSOLE_MESSAGE,
    NOTIFY_DOWNLOAD_COMPLETE,
    NOTIFY_DOWNLOAD_ERROR,
  };
  void SendNotification(NotificationType type);
  void CloseMainWindow();

  void ShowDevTools();
  void CloseDevTools();

 protected:
  void SetLoading(bool isLoading);
  void SetNavState(bool canGoBack, bool canGoForward);

  // Create all of ProcessMessageDelegate objects.
  static void CreateProcessMessageDelegates(
      ProcessMessageDelegateSet& delegates);

  // Create all of RequestDelegateSet objects.
  static void CreateRequestDelegates(RequestDelegateSet& delegates);

  // The child browser window
  CefRefPtr<CefBrowser> m_Browser;

  // The main frame window handle
  CefWindowHandle m_MainHwnd;

  // The child browser id
  int m_BrowserId;

  // The edit window handle
  CefWindowHandle m_EditHwnd;

  // The button window handles
  CefWindowHandle m_BackHwnd;
  CefWindowHandle m_ForwardHwnd;
  CefWindowHandle m_StopHwnd;
  CefWindowHandle m_ReloadHwnd;

  // Support for logging.
  std::string m_LogFile;

  // Support for downloading files.
  std::string m_LastDownloadFile;

  // True if a form element currently has focus
  bool m_bFormElementHasFocus;

  // Registered delegates.
  ProcessMessageDelegateSet process_message_delegates_;
  RequestDelegateSet request_delegates_;

  // Include the default reference counting implementation.
  IMPLEMENT_REFCOUNTING(ClientHandler);
  // Include the default locking implementation.
  IMPLEMENT_LOCKING(ClientHandler);
};

#endif  // CEF_TESTS_CEFCLIENT_CLIENT_HANDLER_H_