gecko-dev/dom/system/gonk/VolumeCommand.cpp

86 строки
2.5 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsString.h"
#include "nsWhitespaceTokenizer.h"
#include "Volume.h"
#include "VolumeCommand.h"
#include "VolumeManager.h"
#include "VolumeManagerLog.h"
namespace mozilla {
namespace system {
/***************************************************************************
*
* The VolumeActionCommand class is used to send commands which apply
* to a particular volume.
*
* The following commands would fit into this category:
*
* volume mount <volname>
* volume unmount <volname> [force]
* volume format <volname>
* volume share <volname> <method>
* volume unshare <volname> <method>
* volume shared <volname> <method>
*
* A typical response looks like:
*
* # vdc volume unshare sdcard ums
* 605 Volume sdcard /mnt/sdcard state changed from 7 (Shared-Unmounted) to 1 (Idle-Unmounted)
* 200 volume operation succeeded
*
* Note that the 600 series of responses are considered unsolicited and
* are dealt with directly by the VolumeManager. This command will only
* see the terminating response code (200 in the example above).
*
***************************************************************************/
VolumeActionCommand::VolumeActionCommand(Volume* aVolume,
const char* aAction,
const char* aExtraArgs,
VolumeResponseCallback* aCallback)
: VolumeCommand(aCallback),
mVolume(aVolume)
{
nsAutoCString cmd;
cmd = "volume ";
cmd += aAction;
cmd += " ";
cmd += aVolume->Name().get();
// vold doesn't like trailing white space, so only add it if we really need to.
if (aExtraArgs && (*aExtraArgs != '\0')) {
cmd += " ";
cmd += aExtraArgs;
}
SetCmd(cmd);
}
/***************************************************************************
*
* The VolumeListCommand class is used to send the "volume list" command to
* vold.
*
* A typical response looks like:
*
* # vdc volume list
* 110 sdcard /mnt/sdcard 4
* 110 sdcard1 /mnt/sdcard/external_sd 4
* 200 Volumes listed.
*
***************************************************************************/
VolumeListCommand::VolumeListCommand(VolumeResponseCallback* aCallback)
: VolumeCommand(NS_LITERAL_CSTRING("volume list"), aCallback)
{
}
} // system
} // mozilla