Add OAbstractMobileDevice with implementations for suspend and setDisplayStatus

Switch our implementations over to this partial implementation of ODevice

1 files changed, 119 insertions, 0 deletions

diff --git a/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp b/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp
new file mode 100644
index 0000000..f3f6af5
--- a/dev/null
+++ b/libopie2/opiecore/device/odevice_abstractmobiledevice.cpp
@@ -0,0 +1,119 @@
+/*
+                             This file is part of the Opie Project
+                             Copyright (C) 2004, 2005 Holger Hans Peter Freyther <freyther@handhelds.org>
+                             Copyright (C) 2004, 2005 Michael 'mickey' Lauer <mickeyl@handhelds.org>
+                             Copyright (C) 2002, 2003 Robert Griebl <sandman@handhelds.org>
+
+
+              =.
+            .=l.
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This program is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+*/
+
+#include "odevice_abstractmobiledevice.h"
+
+#include <sys/time.h>
+#include <sys/ioctl.h>
+
+#include <time.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+namespace Opie {
+namespace Core {
+OAbstractMobileDevice::OAbstractMobileDevice()
+    : m_timeOut( 1500 )
+{}
+
+/**
+ * @short Time to wait for the asynchronos APM implementation to suspend
+ *
+ * Milli Seconds to wait before returning from the suspend method.
+ * This is needed due asynchrnonus implementations of the APM bios.
+ *
+ */
+void OAbstractMobileDevice::setAPMTimeOut( int time ) {
+    m_timeOut = time;
+}
+
+
+bool OAbstractMobileDevice::suspend() {
+    if ( !isQWS( ) ) // only qwsserver is allowed to suspend
+        return false;
+
+    bool res = false;
+    ODevice::sendSuspendmsg();
+
+    struct timeval tvs, tvn;
+    ::gettimeofday ( &tvs, 0 );
+
+    ::sync(); // flush fs caches
+    res = ( ::system ( "apm --suspend" ) == 0 );
+
+    // This is needed because some apm implementations are asynchronous and we
+    // can not be sure when exactly the device is really suspended
+    // This can be deleted as soon as a stable familiar with a synchronous apm implementation exists.
+
+    if ( res ) {
+        do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
+            ::usleep ( 200 * 1000 );
+            ::gettimeofday ( &tvn, 0 );
+        } while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < m_timeOut );
+    }
+
+    return res;
+}
+
+//#include <linux/fb.h> better not rely on kernel headers in userspace ...
+
+// _IO and friends are only defined in kernel headers ...
+#define OD_IOC(dir,type,number,size)    (( dir << 30 ) | ( type << 8 ) | ( number ) | ( size << 16 ))
+#define OD_IO(type,number)              OD_IOC(0,type,number,0)
+
+#define FBIOBLANK             OD_IO( 'F', 0x11 ) // 0x4611
+
+/* VESA Blanking Levels */
+#define VESA_NO_BLANKING      0
+#define VESA_VSYNC_SUSPEND    1
+#define VESA_HSYNC_SUSPEND    2
+#define VESA_POWERDOWN        3
+
+bool OAbstractMobileDevice::setDisplayStatus ( bool on ) {
+    bool res = false;
+    int fd;
+
+#ifdef QT_QWS_DEVFS
+    if (( fd = ::open ( "/dev/fb/0", O_RDWR )) >= 0 ) {
+#else
+    if (( fd = ::open ( "/dev/fb0", O_RDWR )) >= 0 ) {
+#endif
+        res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
+        ::close ( fd );
+    }
+
+    return res;
+}
+}
+}