Commit Graph

74 Commits

Author SHA1 Message Date
Florian Müllner
a3dcdaae30 screenshot: Unrestrict PickColor
Commit dd2cd6286c restricted callers of the screenshot methods to
portal implementations, gnome-settings-daemon and gnome-screenshot.

That restriction does make sense for the actual screenshot methods,
but `PickColor` is actually used by GTK in its color picker (and
therefore may be called from arbitrary applications).

Fix this by unrestricting access to `PickColor` again. Considering that
the method is always interactive, it's not very privacy/security-sensitive
anyway.

https://gitlab.gnome.org/GNOME/gtk/-/issues/4283

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1990>
2021-10-06 17:34:18 +00:00
Florian Müllner
dd2cd6286c screenshot: Restrict callers
The shell D-Bus API was always meant as a private API for core
components, so enforce that by limiting caller to a list of
allowed well-known names.

Applications that want to request a screenshot can use the corresponding
desktop portal.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3943

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1970>
2021-09-03 21:34:58 +00:00
Sebastian Keller
380d61dc43 screenshot: Ignore events in SelectArea after making a selection
The grab and actor are only removed after the selection rectangle has
finished fading out. During this time it was possible to still change
the position of the selection rectangle.

Related: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2761
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1825>
2021-04-28 11:40:19 +00:00
Sebastian Keller
548e18ad7e screenshot: Only select area on button release after a button down
On Wayland it is possible to trigger area selection with a button
already being down. SelectArea would then react to the subsequent button
release without ever having seen a corresponding button down first,
leaving the start coordinates of the selection rectangle uninitialized.

Related: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2761
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1825>
2021-04-28 11:40:19 +00:00
Jonas Dreßler
3510b88bdc screenshot: Remove shooter from sender in finally block
We do this in both the try{} and the catch{} block, so we might as well
put it into a finally{} block.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1658>
2021-02-11 18:51:40 +00:00
Jonas Dreßler
c1bfdd74d8 screenshot: Fix slow audiovisual feedback on when taking screenshot
Add a "screenshot-taken" signal from the screenshot service's internal C
implementation, and use that to trigger the camera flash visual effect
and the click sound, allowing them to run in parallel with the PNG
compression instead of waiting until the file is complete to start.

This significantly improves perceived latency on high res setups such as
4K, 5K, or dual 4K screens.

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/512

Co-authored-by: Brion Vibber <bvibber@wikimedia.org>
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1658>
2021-02-11 18:51:40 +00:00
Jonas Dreßler
461c65c93b screenshot: Replace template strings with .format()
CI will complain when we add screenshot.js to the POTFILES in the next
commit because gettext doesn't like template strings, so make CI happy
and switch to .format() instead.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1658>
2021-02-11 18:51:40 +00:00
Brion Vibber
f9652aab82 Fix for screenshots when pictures path is unavailable
On my local jhbuild setup some local stuff is not set up and
there's no pictures folder. This fixes a regression where it
blew up instead of saving to the home dir in this situation.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1658>
2021-02-11 18:51:40 +00:00
Florian Müllner
fec745ffb8 screenshot: Clean up when creating stream failed
Otherwise the tracked screenshot operation will block all future
requests from the same sender.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3618

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1589>
2021-01-28 21:47:50 +00:00
Florian Müllner
0efa82acf0 screenshot: Return error if stream creation failed
When we fail for some reason to open a stream to write the screenshot
to, we currently return `false` to the sender. That's not wrong, but
doesn't provide any hints on what caused the failure, so return the
underlying error instead.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3618

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1589>
2021-01-28 21:47:50 +00:00
Florian Müllner
1aee0516d6 screenshot: Use separate error when disk writes are locked down
The most likely reason for rejecting a screenshot request is that
there's an ongoing operation from the same sender. Still, we shouldn't
assume that that is the case and return an appropriate error when
writing to disk is disabled via lockdown settings.

https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3618

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1589>
2021-01-28 21:47:50 +00:00
Sebastian Keller
0882074ecc screenshot: Still remove select/pick actor if grab promise was rejected
If the grab promise is rejected due to for example on X another app
already having the grab, an error is thrown and the code that would
revert the cursor and hide the actor is not run. This actor then
prevents all mouse interactions with the shell and the windows beneath
it.

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2869

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1600>
2021-01-28 02:49:13 +00:00
Florian Müllner
55c287280b screenshot: Properly clean up if PickColor() is cancelled
We currently only remove the screenshot operation from the shooter
map if the color pick operation completed successfully, but not if
it was cancelled. As a result, we now reject any further requests
from the same sender because we assume that there is an ongoing
operation.

Fix this by moving the cleanup to a finally clause that runs for
both code paths.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1288
2020-05-29 00:52:33 +02:00
Florian Müllner
1fdd4ff313 screenshot: Return an error when operation is blocked
Right now _createScreenshot() returns a tuple that indicates failure
when a sender requests a screenshot operation before a previously
started operation finished.

However that doesn't work for the PickColor() method, as it uses a
different return type than the other methods.

Address this by returning an error instead, which works in any case;
arguably trying to start multiple operations in parallel is an error
by the caller more than it is a failed operation anyway.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1288
2020-05-29 00:52:33 +02:00
Florian Müllner
f06223df48 screenshot: Add preview to color picker
With color picking implemented in the compositor, we
can do better than letting the user pick a pixel with
the crosshair cursor, and present them with a preview
of the color that will be selected.

Do this by replacing the cursor with a custom icon and
apply a recoloring effect, where we replace a given color
with the color of the currently hovered pixel (similar
to a green screen).

https://gitlab.gnome.org/GNOME/gnome-shell/issues/451
2020-05-22 16:10:43 +02:00
Florian Müllner
764527c8c9 js: Promisify async operations
Promises make asynchronous operations easier to manage, in particular
when used through the async/await syntax that allows for asynchronous
code to closely resemble synchronous one.

gjs has included a Gio._promisify() helper for a while now, which
monkey-patches methods that follow GIO's async pattern to return a
Promise when called without a callback argument.

Use that to get rid of all those GAsyncReadyCallbacks!

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1126
2020-03-31 05:43:40 +00:00
Florian Müllner
35484151ce shell/screenshot: Throw error on failure
Commit da537cda43 moved the Shell.Screenshot API to GIO's async pattern,
but we never set the GError passed to the *_finish() functions and only
indicate failure by returning FALSE.

The expected behavior is to throw an error in that situation, so make sure
we do that.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1123
2020-03-24 11:29:53 +00:00
Florian Müllner
eb51942a05 screenshot: Return error when stream creation fails
The Shell.Screenshot API expects valid output streams for writing the
completed screenshot, not NULL.

Handle this properly by returning an error instead of passing it on
to the screenshot.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1123
2020-03-24 11:29:53 +00:00
Florian Müllner
4c6a0678ff screenshot: Fix stripping suffix from relative filename
String.prototype.substr() doesn't support a negative length value
(to subtract from the full length), so we end up with a filename
of '' when hitting that code paths (a relative filename with '.png'
suffix).

Fix this by switching to String.prototype.replace() instead.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/2091
2020-01-10 19:31:04 +01:00
Florian Müllner
3c87ad5aab screenshot: Promisify PickPixel
Same as the previous commit, but for PickPixel.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/903
2019-12-20 15:43:01 +01:00
Florian Müllner
9db62236da screenshot: Promisify SelectArea
The screenshot code has a fair bit of nested callbacks, which means
that it is a good use case for async functions and Promises.

Most code uses GIO's async pattern, which means it can be easily turned
into promises with Gio._promisify(); first handle the couple of cases
that need custom code though, starting with SelectArea.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/903
2019-12-20 15:42:42 +01:00
Florian Müllner
ebf77748a8 cleanup: Require "dangling" commas
Since ES5, trailing commas in arrays and object literals are valid.
We generally haven't used them so far, but they are actually a good
idea, as they make additions and removals in diffs much cleaner.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805
2019-11-11 19:25:14 +00:00
Florian Müllner
c860409da5 cleanup: Use object shorthand where possible
ES6 allows to omit property names where they match the name of the
assigned variable, which makes code less redunant and thus cleaner.
We will soon enforce that in our eslint rules, so make sure we use
the shorthand wherever possible.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805
2019-11-11 19:25:14 +00:00
Florian Müllner
9eaa0089d0 cleanup: Fix missing/stray spaces
Those are wrong according to our style guidelines, but the previous
eslint ruleset didn't catch them.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805
2019-11-11 19:25:14 +00:00
Florian Müllner
682bd7e97c cleanup: Don't shadow variables
Having variables that share the same name in overlapping scopes is
confusing and error-prone, and is best avoided.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/805
2019-11-11 19:25:14 +00:00
Carlos Garnacho
cf6beee9e2 screenshot: Allow saving to clipboard
If no target file is specified (i.e. filename is an empty string), the
screenshot will be stored on the clipboard instead.

https://gitlab.gnome.org/GNOME/mutter/issues/789
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/810
2019-11-06 22:45:22 +00:00
Carlos Garnacho
be5f5ec9d4 shell: Make screenshot API stream based
Instead of dealing with filenames, make the low-level API use streams
so the target remains generic.

This so far means JS code now determines the appropriate filename to
use for storing the screenshot, but will be used in other ways in
future commits.

https://gitlab.gnome.org/GNOME/mutter/issues/789
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/810
2019-11-06 22:45:22 +00:00
Marco Trevisan (Treviño)
39e6fc9e9d js: Use Gjs GTypeName computation for all classes
As per previous commit we can remove the explicit GTypeName definitions
and use gjs auto computation for all the GObject registered classes.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/790
2019-10-29 18:38:35 +00:00
Marco Trevisan (Treviño)
55b57421dc cleanup: Replace signal connections with virtual functions
Inheriting from actors allows to use virtual functions instead of signal
connections for multiple cases, so just use them when possible.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
2019-10-16 15:26:13 +00:00
Marco Trevisan (Treviño)
c4c5c4fd5c cleanup: Use inheritance for Actor classes instead of composition
Remove the `this.actor = ...` and `this.actor._delegate = this` patterns in most
of classes, by inheriting all the actor container classes.

Uses interfaces when needed for making sure that multiple classes will implement
some required methods or to avoid redefining the same code multiple times.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
2019-10-16 15:26:13 +00:00
Marco Trevisan (Treviño)
f67b409fc1 screenshot: Pass a Graphene.Point as PickPixel 'finished' signal
This will allow to pass the data as native object when porting this to Clutter
actor.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
2019-10-16 15:26:13 +00:00
Marco Trevisan (Treviño)
22fe4e92c7 screenshot: Return a Meta.Rectangle as geometry
Since the geometry is used as a signal parameter, this can't be used when using
a GObject based class, so use the Meta boxed type instead of a JS object.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
2019-10-16 15:26:13 +00:00
Florian Müllner
3a9eaa39ea cleanup: Switch some method calls to new indentation style
The legacy indent rule currently ignores arrow functions in parameters
to allow callbacks to not align with the other arguments:

    this._someFunctionWithFairlyLongishName(arg1, arg2, arg3,
        () => {
            this._someOtherFunctionWithLongName(arg1);
        });

But as ignoring entire nodes means we can end up with arbitrary
indentation, we should drop the exception. While this would make
the above "illegal" under the legacy config, it conforms with the
non-legacy style, so everything should be fine ...

... except that eslint starts to complain about some function args
that should be fine under the legacy config. Maybe it's thrown off
by the function-arg-in-arrow-function-in-function-arg structure, but
rather than figuring it out, let's just move those to the new style.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/725
2019-09-15 13:30:19 +00:00
Marco Trevisan (Treviño)
1d17404471 selectArea: Ignore motion events once we got a result
When selecting an area for screenshot we monitor the events while we've valid
coordinates in order to redraw the rubber band.
However, we don't stop ignore the motion events after button release and so
while animating. This might cause an unwanted effect if moving the mouse away
during fade out that is way more visible slowing-down the animations.

To fix this ignore any motion event once we've set the results.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/711
2019-09-10 22:08:25 +02:00
Florian Müllner
0846238f69 js: Use implicit animations for animatable properties
We now have everything in place to replace Tweener for all animatable
properties with implicit animations, which has the following benefits:

 - they run entirely in C, while Tweener requires context switches
   to JS each frame

 - they are more reliable, as Tweener only detects when an animation
   is overwritten with another Tween, while Clutter considers any
   property change

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/22
2019-08-06 23:54:29 +02:00
Florian Müllner
476816732f cleanup: Use milliseconds for animation times
The different units - seconds for Tweener and milliseconds for
timeouts - are not a big issue currently, as there is little
overlap. However this will change when we start using Clutter's
own animation framework (which uses milliseconds as well), in
particular where constants are shared between modules.

In order to prepare for the transition, define all animation times
as milliseconds and adjust them when passing them to Tweener.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/663
2019-08-05 21:55:20 +00:00
Florian Müllner
e357559582 cleanup: Mark globals used from other modules as exported
eslint cannot figure out that those symbols are used from other modules
via imports, so they trigger unused-variable errors. To fix, explicitly
mark those symbols as exported.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/627
2019-07-24 00:28:45 +02:00
Florian Müllner
71759a0769 cleanup: Mark unused (but useful) variables as ignored
While we aren't using those destructured variables, they are still useful
to document the meaning of those elements. We don't want eslint to keep
warning about them though, so mark them accordingly.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/627
2019-07-24 00:28:45 +02:00
Florian Müllner
79cf3a6dd0 cleanup: Remove some unhelpful unused arguments
Those unused arguments aren't bugs - unbeknownst to eslint, they all
correspond to valid signal parameters - but they don't contribute
anything to clarity, so just remove them anyway.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/627
2019-07-24 00:28:45 +02:00
Florian Müllner
1398aa6562 style: Fix indentation errors
While we have some style inconsistencies - mostly regarding split lines,
i.e. aligning to the first arguments vs. a four-space indent - there are
a couple of places where the spacing is simply wrong. Fix those.

Spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/608
2019-07-02 12:17:46 +00:00
Florian Müllner
4c5206954a style: Use camelCase for variable names
Spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/607
2019-07-01 23:44:11 +02:00
Florian Müllner
8fda3116f0 style: Fix brace style
Opening braces should be on the same line as the associated statement,
and only be omitted if both surrounding blocks are one-liners.

Partially spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/607
2019-07-01 23:44:11 +02:00
Florian Müllner
7ac35c644e style: Fix stray/missing spaces
Spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/607
2019-07-01 23:44:11 +02:00
Florian Müllner
29b04fcbf2 style: Fix stray/missing semi-colons
Spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/607
2019-07-01 23:44:11 +02:00
Florian Müllner
a5c75ff58b screenshot: Don't pick up rubberband style from GTK
Selecting a screen area for a screenshot isn't the same as selecting
items in an icon view, so there's no strong rationale for picking
up the style from GTK. We stopped doing that for other elements like
tile previews long ago, so just use our own style here too.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/481
2019-04-11 17:27:50 +00:00
Florian Müllner
fd50b9a45e cleanup: Use destructuring for imports from GI
This is *much* nicer than repetitive "imports.gi" lines ...

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/399
2019-02-09 07:39:20 +01:00
Florian Müllner
43fb2b38b1 screenshot: Remove bogus parameter
Expecting a callback argument over D-Bus doesn't make any sense at
all, whoops.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/388
2019-02-05 02:21:40 +00:00
Carlos Garnacho
208c551787 js: Drop unused Gdk/Gtk imports
There's nothing from those modules used in those JS files.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/317
2019-01-30 22:50:01 +01:00
Florian Müllner
bacfdbbb03 cleanup: Port non-GObject classes to JS6 classes
ES6 finally adds standard class syntax to the language, so we can
replace our custom Lang.Class framework with the new syntax. Any
classes that inherit from GObject will need special treatment,
so limit the port to regular javascript classes for now.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/361
2019-01-25 14:02:44 +00:00
Florian Müllner
94423151b2 dbus: Move all interface descriptions into the resource
https://gitlab.gnome.org/GNOME/gnome-shell/issues/537
2018-09-17 07:34:49 +00:00