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// Copyright (c) 2010 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_list.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/dom_ui/filebrowse_ui.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.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) {
i->browser = NULL;
registrar_.Remove(this,
NotificationType::BROWSER_CLOSED,
source);
return;
}
}
}
void USBMountObserver::ScanForDevices(chromeos::MountLibrary* obj) {
const chromeos::MountLibrary::DiskVector& disks = obj->disks();
for (size_t i = 0; i < disks.size(); ++i) {
chromeos::MountLibrary::Disk disk = disks[i];
if (!disk.is_parent && !disk.device_path.empty()) {
obj->MountPath(disk.device_path.c_str());
}
}
}
void USBMountObserver::OpenFileBrowse(const std::string& url,
const std::string& device_path,
bool small) {
Browser* browser;
Profile* profile;
browser = BrowserList::GetLastActive();
if (browser == NULL) {
return;
}
profile = browser->profile();
PrefService* pref_service = profile->GetPrefs();
if (!pref_service->GetBoolean(prefs::kLabsAdvancedFilesystemEnabled)) {
return;
}
if (small) {
browser = FileBrowseUI::OpenPopup(profile,
url,
FileBrowseUI::kSmallPopupWidth,
FileBrowseUI::kSmallPopupHeight);
} else {
browser = FileBrowseUI::OpenPopup(profile,
url,
FileBrowseUI::kPopupWidth,
FileBrowseUI::kPopupHeight);
}
registrar_.Add(this,
NotificationType::BROWSER_CLOSED,
Source<Browser>(browser));
BrowserIterator iter = FindBrowserForPath(device_path);
if (iter == browsers_.end()) {
BrowserWithPath new_browser;
new_browser.browser = browser;
new_browser.device_path = device_path;
browsers_.push_back(new_browser);
} else {
iter->browser = 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);
}
}
}
VLOG(1) << "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);
VLOG(1) << "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() && iter->browser) {
std::string url = kFilebrowseURLHash;
url += disks[i].mount_path;
TabContents* tab = iter->browser->GetSelectedTabContents();
iter->browser->window()->SetBounds(gfx::Rect(
0, 0, FileBrowseUI::kPopupWidth, FileBrowseUI::kPopupHeight));
tab->OpenURL(GURL(url), GURL(), CURRENT_TAB,
PageTransition::LINK);
tab->NavigateToPendingEntry(NavigationController::RELOAD);
iter->device_path = path;
iter->mount_path = disks[i].mount_path;
} else {
OpenFileBrowse(disks[i].mount_path, disks[i].device_path, false);
}
}
return;
}
}
}
} else if (evt == chromeos::DEVICE_ADDED) {
VLOG(1) << "Got device added: " << path;
OpenFileBrowse(kFilebrowseScanning, path, true);
} else if (evt == chromeos::DEVICE_SCANNED) {
VLOG(1) << "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);
std::string mount_path;
if (i != browsers_.end()) {
registrar_.Remove(this,
NotificationType::BROWSER_CLOSED,
Source<Browser>(i->browser));
mount_path = i->mount_path;
browsers_.erase(i);
}
std::vector<Browser*> close_these;
for (BrowserList::const_iterator it = BrowserList::begin();
it != BrowserList::end(); ++it) {
if ((*it)->type() == Browser::TYPE_POPUP) {
if (*it && (*it)->GetTabContentsAt((*it)->selected_index())) {
const GURL& url =
(*it)->GetTabContentsAt((*it)->selected_index())->GetURL();
if (url.SchemeIs(chrome::kChromeUIScheme) &&
url.host() == chrome::kChromeUIFileBrowseHost &&
url.ref().find(mount_path) != std::string::npos &&
!mount_path.empty()) {
close_these.push_back(*it);
}
}
}
}
for (size_t x = 0; x < close_these.size(); x++) {
if (close_these[x]->window()) {
close_these[x]->window()->Close();
}
}
}
} // namespace chromeos
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