| 2fbd2a7f070f246ddafd9de94efa9a98861e9136 |
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17-Sep-2013 |
Svetoslav <svetoslavganov@google.com> |
App UI freezes when printing. API clean up.
1. The UI of a printing app was freezing a little when calling the print
method since the print manager service was waiting for it to bind to the
print spooler which generated the print job id (and the initial print
job info really). Now the print manager service is responsible for job
id generation and does not not wait for the print spooler to spin. Hence,
the app UI is not blocked at all. Note that the print manager initiates
the binding to the spooler and as soon as it completes the spooler shows
the print UI which is hosted in its process. It is not possible to show
the print UI before the system is bound to the spooler since during this
binding the system passes a callback to the spooler so the latter can
talk to the system.
2. Changed the print job id to be an opaque class allowing us to vary the
way we generate print job ids in the future.
3. The queued print job state was hidden but the print job returned by the
print method of the print manager is in that state. Now now hidden.
4. We were incorrecly removing print job infos if they are completed or
cancelled. Doing that is problematic since the print job returned by
the print method allows the app to query for the job info after the
job has been say completed. Hence, an app can initiate printing and
get a print job whose state is "created" and hold onto it until after
the job is completed, now if the app asks for the print job info it
will get an info in "created" state even though the job is "completed"
since the spooler was not retaining the completed jobs. Now the spooler
removes the PDF files for the completed and cancelled print jobs but
keeps around the infos (also persisting them to disc) so it can answer
questions about them. On first boot or switch to a user we purge the
persisted print jobs in completed/cancelled state since they
are obsolete - no app can have a handle to them.
5. Removed the print method that takes a file since we have a public
PrintDocumentAdapter implementation for printing files. Once can
instantiate a PrintFileDocumentAdapter and pass it to the print
method. This class also allows overriding of the finish method to
know when the data is spooled and deleted the file if desired, etc.
6. Replaced the wrong code to slice a large list of parcelables to
use ParceledListSlice class.
bug:10748093
Change-Id: I1ebeeb47576e88fce550851cdd3e401fcede6e2b
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| c5c203d6ef8eea46f1c06f52e3ebfcc59c304760 |
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05-Sep-2013 |
Svetoslav <svetoslavganov@google.com> |
Merge "Print API updated." into klp-dev
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| 533e118f5ad37005a77a2a6edc60afc56034d1e9 |
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05-Sep-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Merge "Addressing API councing suggestions for com.android.printservice" into klp-dev
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| 773f54de3de9bce7b6f915aa47ed686b161d77aa |
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03-Sep-2013 |
Svetoslav <svetoslavganov@google.com> |
Print API updated.
1. Removed the updatePrinters API on PrinterDiscoverySession.
Now re-adding a printer updates it.
2. Added getTrackedPrinters() API to allow a print service to
figure out which printers' state should be tracked by the
service.
3. Removed the APIs on PrintDocumentInfo that describe the
layout of the content as they are not needed. For example,
if the print attributes passed in layout require landscape
mode, the the app should just create a PDF page with the
wider side up and draw its content in portrait. The printer
will then rotate the page.
Change-Id: Idd72c6e9c129e8b17eef1236573a99773f8ff0a2
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| 9186d0cb2bd325d9b52da15dbd513937c1e42caa |
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03-Sep-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Bug fixes in the printer dialog activity and fused printer loader.
1. Fused printers loader was not using the discovered printers to update the
historical ones. Now if a historical printer is discovered we update its state
with the discovered, i.e. most recent, information.
2. Fixed a bug in the destination adapter of the print job config dialog that
was leading to a crash if all printers item is selected when there are no
discovered printers.
3. Updated the add printers asset in the all printers screen.
4. Historical printers were not persisted by the print dialog activity.
5. Reduced the number of printers we send per transation to avoid the binder
transaction size limit. Added sending of printers in chunks in a place
this was missing.
Change-Id: I88b54888360bc0e53b06bd260c2b832d0d6454b6
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| 99cc86f9e096b204f1e9a3754bcb9514512ddaeb |
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30-Aug-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Addressing API councing suggestions for com.android.printservice
bug:10553001
Change-Id: Ic4f7882bd10fcce79c7afc65fdb2018cbadb19c2
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| d26d4898fcc9b78f4b66118895c375384098205e |
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28-Aug-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Print spooler security and some new print service facing APIs.
1. Updated the security mode of the print spooler. Now the spooler
is not signed with the system key, it is not a privileged app so if
it gets compromised (PDF rendering is a potential attack vector)
it cannot access dangerous permissions. Also only the system
can bind to the spooler.
2. Added APIs for asking a print service to start and stop tracking
a given printer. This is need for the case when the user selects
the printer and the print service should do a best effort to keep
the system updated for the current state of the printer.
3. Added APIs for putting a print job in a blocked state. A print
service would report the print job as blocked if for some reason
the printer cannot proceed, e.g. 99 pages are printed but there
is no paper for the last one. The user has to add more paper
and the print service can resume the job.
4. Changed the read/write APIs to use ParcelFileDescriptor instead
of FileDescriptor since the latter does not have a clean API for
detaching the wrapped Linux file descriptor when one wants to
push it to native.
5. Added API for getting the size of the printed document so the
print service can avoid handling big filed over cellular network
or ask the user if needed.
6. Now the print services that are preinstalled on the system image
are automatically enabled.
Change-Id: Ia06c311d3d21cabb9e1368f13928e11cd0030918
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| 269403b032f965ff3847eb982c2f697229dc5a92 |
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15-Aug-2013 |
Svetoslav <svetoslavganov@google.com> |
Implemented advanced printer selection and API refactoring.
1. Added past printer history tracking and merging favorite printers
with discovered printers.
2. Added save as PDF support.
3. Added all printers activity with search capability and optional
add printers chooser (if any print service provides add printers
activity)
4. Refactored the printer discovery session APIs. Now one session
can have multiple window discovery windows and the session stores
the printers found during past discovery periods.
5. Merged the print spooler and the print spooler service - much
simpler and easier to maintain.
Change-Id: I4830b0eb6367e1c748b768a5ea9ea11baf36cfad
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| 18d9c3cc6c7d69f7c5b36dafc4b66f0722b98a89 |
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13-Aug-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Remove exceptions from the printer discovery session APIs.
It is not possible for a client to check whether the session is not
closed and add/update/remove printers atomically. It is always possible
that in between the two method calls the session is closed. Therefore,
we cannot enforce the exceptions.
Change-Id: If0e89e4429c4c360515da8f4bbe0ea3781e8e8fd
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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| 798bed6cc7d273e72b0253288605db9cd2b57740 |
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11-Aug-2013 |
Svetoslav Ganov <svetoslavganov@google.com> |
Refinement of the print service APIs.
1. Factored out the printer discovery APIs of a print service in a
dedicated session object that is created by the print service on
demand. This ensures that added/removed/updated printers from
one session do not interfere with another session.
2. Updated the app facing APIs to pass in a document info along
with a printed file. Also exposed the print file adapter so
apps that create a temporary file for printing can intercept
when it is read by the system so the file can be deleted.
3. Updated the print service documentation.
Change-Id: I3473d586c26d8bda1cf7e2bdacb441aa9df982ed
/frameworks/base/core/java/android/printservice/PrinterDiscoverySession.java
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