summaryrefslogtreecommitdiffstats
path: root/chrome/browser/chromeos/usb_mount_observer.cc
blob: 91790d1c3d00e19fa2c5a6d395f51c6411e149a5 (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
// 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.

#include "chrome/browser/chromeos/usb_mount_observer.h"

#include "chrome/browser/browser.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/dom_ui/filebrowse_ui.h"
#include "chrome/browser/tab_contents/tab_contents.h"

namespace chromeos {

const char* kFilebrowseURLHash = "chrome://filebrowse#";
const char* kFilebrowseScanning = "scanningdevice";
const int kPopupLeft = 0;
const int kPopupTop = 0;
const int kPopupWidth = 250;
const int kPopupHeight = 300;

void USBMountObserver::Observe(NotificationType type,
                               const NotificationSource& source,
                               const NotificationDetails& details) {
  DCHECK(type == NotificationType::BROWSER_CLOSED);
  for (BrowserIterator i = browsers_.begin(); i != browsers_.end();
       ++i) {
    if (Source<Browser>(source).ptr() == i->browser) {
      browsers_.erase(i);
      registrar_.Remove(this,
                        NotificationType::BROWSER_CLOSED,
                        source);
      return;
    }
  }
}

void USBMountObserver::OpenFileBrowse(const std::string& url,
                                      const std::string& device_path) {
  Browser *browser = FileBrowseUI::OpenPopup(profile_, url);
  registrar_.Add(this,
                 NotificationType::BROWSER_CLOSED,
                 Source<Browser>(browser));
  BrowserWithPath new_browser;
  new_browser.browser = browser;
  new_browser.device_path = device_path;
  browsers_.push_back(new_browser);

}

void USBMountObserver::MountChanged(chromeos::MountLibrary* obj,
                                    chromeos::MountEventType evt,
                                    const std::string& path) {
  if (evt == chromeos::DISK_ADDED) {
    const chromeos::MountLibrary::DiskVector& disks = obj->disks();
    for (size_t i = 0; i < disks.size(); ++i) {
      chromeos::MountLibrary::Disk disk = disks[i];
      if (disk.device_path == path) {
        if (disk.is_parent) {
          if (!disk.has_media) {
            RemoveBrowserFromVector(disk.system_path);
          }
        } else if (!obj->MountPath(path.c_str())) {
          RemoveBrowserFromVector(disk.system_path);
        }
      }
    }
    LOG(INFO) << "Got added mount:" << path;
  } else if (evt == chromeos::DISK_REMOVED ||
             evt == chromeos::DEVICE_REMOVED) {
    RemoveBrowserFromVector(path);
  } else if (evt == chromeos::DISK_CHANGED) {
    BrowserIterator iter = FindBrowserForPath(path);
    LOG(INFO) << "Got changed mount:" << path;
    if (iter == browsers_.end()) {
      // We don't currently have this one, so it must have been
      // mounted
      const chromeos::MountLibrary::DiskVector& disks = obj->disks();
      for (size_t i = 0; i < disks.size(); ++i) {
        if (disks[i].device_path == path) {
          if (!disks[i].mount_path.empty()) {
            // Doing second search to see if the current disk has already
            // been popped up due to its parent device being plugged in.
            iter = FindBrowserForPath(disks[i].system_path);
            if (iter != browsers_.end()) {
              std::string url = kFilebrowseURLHash;
              url += disks[i].mount_path;
              TabContents* tab = iter->browser->GetSelectedTabContents();
              tab->OpenURL(GURL(url), GURL(), CURRENT_TAB,
                  PageTransition::LINK);
              tab->NavigateToPendingEntry(NavigationController::RELOAD);
              iter->device_path = path;
            } else {
              OpenFileBrowse(disks[i].mount_path, disks[i].device_path);
            }
          }
          return;
        }
      }
    }
  } else if (evt == chromeos::DEVICE_ADDED) {
    LOG(INFO) << "Got device added" << path;
    // TODO(dhg): Refactor once mole api is ready.
    OpenFileBrowse(kFilebrowseScanning, path);
  } else if (evt == chromeos::DEVICE_SCANNED) {
    LOG(INFO) << "Got device scanned:" << path;
  }
}

USBMountObserver::BrowserIterator USBMountObserver::FindBrowserForPath(
    const std::string& path) {
  for (BrowserIterator i = browsers_.begin();i != browsers_.end();
       ++i) {
    // Doing a substring match so that we find if this new one is a subdevice
    // of another already inserted device.
    if (path.find(i->device_path) != std::string::npos) {
      return i;
    }
  }
  return browsers_.end();
}

void USBMountObserver::RemoveBrowserFromVector(const std::string& path) {
  BrowserIterator i = FindBrowserForPath(path);
  if (i != browsers_.end()) {
    registrar_.Remove(this,
                      NotificationType::BROWSER_CLOSED,
                      Source<Browser>(i->browser));
    if (i->browser->window()) {
      i->browser->window()->Close();
    }
    browsers_.erase(i);
  }
}

} // namespace chromeos