Initial import of the Chrome Frame codebase. Integration in chrome.gyp coming...

chrome_frame/chrome_frame_activex.h

+// Copyright (c) 2009 The Chromium 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 CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
+#define CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
+
+#include <atlbase.h>
+#include <atlcom.h>
+#include <atlctl.h>
+
+#include <set>
+#include <string>
+
+#include "base/scoped_bstr_win.h"
+#include "base/scoped_comptr_win.h"
+#include "base/scoped_variant_win.h"
+#include "chrome_frame/chrome_frame_activex_base.h"
+#include "chrome_frame/com_type_info_holder.h"
+#include "grit/chrome_frame_resources.h"
+
+// Include without path to make GYP build see it.
+#include "chrome_tab.h"  // NOLINT
+
+// ChromeFrameActivex: Implementation of the ActiveX control that is
+// responsible for hosting a chrome frame, i.e. an iframe like widget which
+// hosts the the chrome window. This object delegates to Chrome.exe
+// (via the Chrome IPC-based automation mechanism) for the actual rendering.
+class ATL_NO_VTABLE ChromeFrameActivex
+    : public ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame>,
+      public IObjectSafetyImpl<ChromeFrameActivex,
+                                 INTERFACESAFE_FOR_UNTRUSTED_CALLER |
+                                 INTERFACESAFE_FOR_UNTRUSTED_DATA>,
+      public IPersistPropertyBag {
+ public:
+  typedef ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame> Base;
+  ChromeFrameActivex();
+  ~ChromeFrameActivex();
+
+DECLARE_REGISTRY_RESOURCEID(IDR_CHROMEFRAME)
+
+BEGIN_COM_MAP(ChromeFrameActivex)
+  COM_INTERFACE_ENTRY(IObjectSafety)
+  COM_INTERFACE_ENTRY(IPersistPropertyBag)
+  COM_INTERFACE_ENTRY(IConnectionPointContainer)
+  COM_INTERFACE_ENTRY_CHAIN(Base)
+END_COM_MAP()
+
+BEGIN_MSG_MAP(ChromeFrameActivex)
+  MESSAGE_HANDLER(WM_CREATE, OnCreate)
+  CHAIN_MSG_MAP(Base)
+END_MSG_MAP()
+
+  HRESULT FinalConstruct();
+
+  virtual HRESULT OnDraw(ATL_DRAWINFO& draw_info);
+
+  // IPersistPropertyBag implementation
+  STDMETHOD(GetClassID)(CLSID* class_id) {
+    if (class_id != NULL)
+      *class_id = GetObjectCLSID();
+    return S_OK;
+  }
+
+  STDMETHOD(InitNew)() {
+    return S_OK;
+  }
+
+  STDMETHOD(Load)(IPropertyBag* bag, IErrorLog* error_log);
+
+  STDMETHOD(Save)(IPropertyBag* bag, BOOL clear_dirty, BOOL save_all) {
+    return E_NOTIMPL;
+  }
+
+  // Used to setup the document_url_ member needed for completing navigation.
+  // Create external tab (possibly in incognito mode).
+  HRESULT IOleObject_SetClientSite(IOleClientSite *pClientSite);
+
+  // Overridden to perform security checks.
+  STDMETHOD(put_src)(BSTR src);
+
+ protected:
+  virtual void OnAcceleratorPressed(int tab_handle, const MSG& accel_message);
+  virtual void OnLoad(int tab_handle, const GURL& url);
+  virtual void OnMessageFromChromeFrame(int tab_handle,
+                                        const std::string& message,
+                                        const std::string& origin,
+                                        const std::string& target);
+
+ private:
+
+  LRESULT OnCreate(UINT message, WPARAM wparam, LPARAM lparam,
+                   BOOL& handled);  // NO_LINT
+
+  // ChromeFrameDelegate overrides
+  virtual void ChromeFrameActivex::OnAutomationServerLaunchFailed(
+      AutomationLaunchResult reason, const std::string& server_version);
+  virtual void OnLoadFailed(int error_code, const std::string& url);
+
+  // Helper function to execute a function on a script IDispatch interface.
+  HRESULT InvokeScriptFunction(const VARIANT& script, const std::string& param);
+  HRESULT InvokeScriptFunction(const VARIANT& script, VARIANT* param);
+  HRESULT GetContainingDocument(IHTMLDocument2** doc);
+  HRESULT GetDocumentWindow(IHTMLWindow2** window);
+
+  // Gets the value of the 'id' attribute of the object element.
+  HRESULT GetObjectScriptId(IHTMLObjectElement* object_elem, BSTR* id);
+
+  // Returns the object element in the HTML page.
+  // Note that if we're not being hosted inside an HTML
+  // document, then this call will fail.
+  HRESULT GetObjectElement(IHTMLObjectElement** element);
+
+  HRESULT CreateScriptBlockForEvent(IHTMLElement2* insert_after,
+                                    BSTR instance_id, BSTR script,
+                                    BSTR event_name);
+
+  // Creates a new event object that supports the |data| property.
+  // Note: you should supply an empty string for |origin| unless you're
+  // creating a "message" event.
+  HRESULT CreateDomEvent(const std::string& event_type, const std::string& data,
+                         const std::string& origin, IDispatch** event);
+
+  // Utility function that checks the size of the vector and if > 0 creates
+  // a variant for the string argument and forwards the call to the other
+  // FireEvent method.
+  void FireEvent(const EventHandlers& handlers, const std::string& arg);
+
+  // Invokes all registered handlers in a vector of event handlers.
+  void FireEvent(const EventHandlers& handlers, IDispatch* event);
+
+  // This variant is used for the privatemessage handler only.
+  void FireEvent(const EventHandlers& handlers, IDispatch* event,
+                 BSTR target);
+
+};
+
+OBJECT_ENTRY_AUTO(__uuidof(ChromeFrame), ChromeFrameActivex)
+
+#endif  // CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_