summaryrefslogtreecommitdiffstats
path: root/chrome_frame/chrome_frame_delegate.h
blob: bbdc99eaa5ca4018a597b7446389e62c1542fc7c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
// 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_DELEGATE_H_
#define CHROME_FRAME_CHROME_FRAME_DELEGATE_H_

#include <atlbase.h>
#include <atlwin.h>

#include "chrome/test/automation/automation_messages.h"
#include "ipc/ipc_message.h"

// A common interface supported by all the browser specific ChromeFrame
// implementations.
class ChromeFrameDelegate {
 public:
  typedef HWND WindowType;

  virtual WindowType GetWindow() const = 0;
  virtual void GetBounds(RECT* bounds) = 0;
  virtual std::string GetDocumentUrl() = 0;
  virtual void OnAutomationServerReady() = 0;
  virtual void OnAutomationServerLaunchFailed(
      AutomationLaunchResult reason, const std::string& server_version) = 0;
  virtual void OnExtensionInstalled(
      const FilePath& path,
      void* user_data,
      AutomationMsg_ExtensionResponseValues response) = 0;
  virtual void OnMessageReceived(const IPC::Message& msg) = 0;

  // This remains in interface since we call it if Navigate()
  // returns immediate error.
  virtual void OnLoadFailed(int error_code, const std::string& url) = 0;

  // Returns true if this instance is alive and well for processing automation
  // messages.
  virtual bool IsValid() const = 0;

 protected:
  ~ChromeFrameDelegate() {}
};

// Template specialization
template <> struct RunnableMethodTraits<ChromeFrameDelegate> {
  void RetainCallee(ChromeFrameDelegate* obj) {}
  void ReleaseCallee(ChromeFrameDelegate* obj) {}
};

extern UINT kAutomationServerReady;
extern UINT kMessageFromChromeFrame;

class ChromeFrameDelegateImpl : public ChromeFrameDelegate {
 public:
  virtual WindowType GetWindow() { return NULL; }
  virtual void GetBounds(RECT* bounds) {}
  virtual std::string GetDocumentUrl() { return std::string(); }
  virtual void OnAutomationServerReady() {}
  virtual void OnAutomationServerLaunchFailed(
      AutomationLaunchResult reason, const std::string& server_version) {}
  virtual void OnExtensionInstalled(
      const FilePath& path,
      void* user_data,
      AutomationMsg_ExtensionResponseValues response) {}
  virtual void OnLoadFailed(int error_code, const std::string& url) {}
  virtual void OnMessageReceived(const IPC::Message& msg);

  static bool IsTabMessage(const IPC::Message& message, int* tab_handle);

  virtual bool IsValid() const {
    return true;
  }

 protected:
  // Protected methods to be overriden.
  virtual void OnNavigationStateChanged(int tab_handle, int flags,
                                        const IPC::NavigationInfo& nav_info) {}
  virtual void OnUpdateTargetUrl(int tab_handle,
                                 const std::wstring& new_target_url) {}
  virtual void OnAcceleratorPressed(int tab_handle, const MSG& accel_message) {}
  virtual void OnTabbedOut(int tab_handle, bool reverse) {}
  virtual void OnOpenURL(int tab_handle, const GURL& url,
                         const GURL& referrer, int open_disposition) {}
  virtual void OnDidNavigate(int tab_handle,
                             const IPC::NavigationInfo& navigation_info) {}
  virtual void OnNavigationFailed(int tab_handle, int error_code,
                                  const GURL& gurl) {}
  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) {}
  virtual void OnHandleContextMenu(int tab_handle, HANDLE menu_handle,
                                   int x_pos, int y_pos, int align_flags) {}
  virtual void OnRequestStart(int tab_handle, int request_id,
                              const IPC::AutomationURLRequest& request) {}
  virtual void OnRequestRead(int tab_handle, int request_id,
                             int bytes_to_read) {}
  virtual void OnRequestEnd(int tab_handle, int request_id,
                            const URLRequestStatus& status) {}
  virtual void OnSetCookieAsync(int tab_handle, const GURL& url,
                                const std::string& cookie) {}
  virtual void OnAttachExternalTab(int tab_handle, intptr_t cookie,
                                   int disposition) {}
  virtual void OnGoToHistoryEntryOffset(int tab_handle, int offset) {}
};

// This interface enables tasks to be marshalled to desired threads.
class TaskMarshaller {
 public:
  virtual void PostTask(const tracked_objects::Location& from_here,
                        Task* task) = 0;
};

// T is expected to be something CWindowImpl derived, or at least to have
// PostMessage(UINT, WPARAM) method. Do not forget to CHAIN_MSG_MAP
template <class T> class TaskMarshallerThroughWindowsMessages
    : public TaskMarshaller {
 public:
  virtual void PostTask(const tracked_objects::Location& from_here,
                        Task* task) {
    task->SetBirthPlace(from_here);
    T* this_ptr = static_cast<T*>(this);
    if (this_ptr->IsWindow()) {
      this_ptr->AddRef();
      this_ptr->PostMessage(MSG_EXECUTE_TASK, reinterpret_cast<WPARAM>(task));
    } else {
      DLOG(INFO) << "Dropping MSG_EXECUTE_TASK message for destroyed window.";
    }
  }

  BEGIN_MSG_MAP(PostMessageMarshaller)
    MESSAGE_HANDLER(MSG_EXECUTE_TASK, ExecuteTask)
  END_MSG_MAP()

 private:
  enum { MSG_EXECUTE_TASK = WM_APP + 6 };
  inline LRESULT ExecuteTask(UINT, WPARAM wparam, LPARAM,
                             BOOL& handled) {  // NOLINT
    Task* task = reinterpret_cast<Task*>(wparam);
    task->Run();
    delete task;
    T* this_ptr = static_cast<T*>(this);
    this_ptr->Release();
    return 0;
  }
};

#endif  // CHROME_FRAME_CHROME_FRAME_DELEGATE_H_