This adds a WEBRENDER_QUALIFIED feature that's set whenever the webrender could
be used on a machine regardless of whether it's actually being used.
MozReview-Commit-ID: Eke6PMKQOnx
--HG--
extra : rebase_source : 977d371c12c9e8ab3273d6e65655e0378c22c226
This removes an unused gfxConfig check and changes Maybe<FeatureStatus>
into FeatureStatus as none of the callers were using None.
MozReview-Commit-ID: Kep6nYpDI3B
--HG--
extra : rebase_source : d7f71dd9b358bfd2c57380d7bc194d6002a50cb9
Key of TextCompositionArrary to search composition on widget is native IME
context. However, if TextInputProcessor dispatches composition events via
TextEventDispatcher, TextEventDispatcher::InitEvent() sets native IME context
of dispatching composition events to pseudo IME context (that's raw pointer
of TextEventDispatcher and process ID).
IMEStateManager::DispatchCompositionEvent() looks for existing TextComposition
with native IME context stored in WidgetCompositionEvent before dispatching
an event. However, after dispatching it, it looks for remaining TextComposition
instance with widget stored in WidgetCompositionEvent. Then,
TextCompositionArrary::IndexOf(nsIWidget*) will look for an instance with
the result of nsIWidget::GetNativeIMEContext() and this never returns actual
native IME context. Therefore, IMEStateManager::DispatchCompositionEvent()
always fails to remove TextComposition instance from the array even after
a test composition is finished.
This patch moves nsIWidget::GetNativeIMEContext() to nsBaseWidget to refer
nsBaseWidget::mTextEventDispatcher makes it return pseudo IME context if
TextInputProcessor has input transaction. Therefore, IMEStateManager becomes
always removes TextComposition from the array when every composition ends.
MozReview-Commit-ID: H1PCtPjBYJR
--HG--
extra : rebase_source : cbb3f3aae9954d65135d3840be8974fa30c4f7ff
Currently, we expect editing operations in
GeckoEditableSupport::OnImeReplaceText to cause synchronous text change
notifications. However, under e10s, text change notifications can be
asynchornous. The new code keeps track of active OnImeReplaceText calls,
and look for async text changes before replying to the calls.
MozReview-Commit-ID: INM3JLmQebK
--HG--
extra : rebase_source : ff5b728ef437fcd78e4e7eced9c9a537d4698dce
I initially tried to avoid this, but decided it was necessary given the number
of times I had to repeat the same pattern of casting a variable to void*, and
then casting it back in a part of code far distant from the original type.
This changes our preference callback registration functions to match the type
of the callback's closure argument to the actual type of the closure pointer
passed, and then casting it to the type of our generic callback function. This
ensures that the callback function always gets an argument of the type it's
actually expecting without adding any additional runtime memory or
QueryInterface overhead for tracking it.
MozReview-Commit-ID: 9tLKBe10ddP
--HG--
extra : rebase_source : 7524fa8dcd5585f5a31fdeb37d95714f1bb94922
We're already committing jump lists on mIOThread, and I see
no errors or problems with initting on mIOThread either, so
I think this is okay. Had to restructure some things to
make using a Promise simple, and to avoid dispatching to
mIOThread from within mIOThread (since we can only dispatch
to a LazyIdleThread from the owner thread).
MozReview-Commit-ID: 1imBF8Jzmn6
--HG--
extra : rebase_source : 4f912e819cec898910e72d95311e3924714a3090
LSBUtils closes a file descriptor twice, once with fclose and then again with
close. It also does this on a background thread, during startup, which means
it tends to race with main thread code which opens files.
This patch fixes that, and also removes a work-around for the issue in the
MemMapSnapshot code.
MozReview-Commit-ID: JdDHt9ayFEl
--HG--
extra : rebase_source : 2000ede41108d6312734d8df7db98272b33528fa
extra : amend_source : 1443a596fab3e3126a22d44787adaf5e12e4587c
Some odd mouse drivers try to activate a window which the mouse driver wants to
scroll its content (such window is typically under the mouse cursor when mouse
wheel is turned). However, this is illegal behavior and such odd mouse drivers
try to activate our popup windows which won't be activated without such apps.
We prevented this odd focus behavior with fixing of bug 953146. However, it
did NOT stop notifying widget listener of activating nor inactivating the
windows. Therefore, that caused a lot of reflow for supporting
-moz-window-inactive pseudo class.
This patch makes nsWindow::DealWithPopups() consume WM_ACTIVATE message before
nsWindow::ProcessMessage() because nsWindow::ProcessMessage() notifies widget
listener of activating and inactivating window even when focus move from and to
our popup window. So, in other words, this patch stops notifying widget
listener of activating and inactivating window when focus moves from/to
a popup window.
MozReview-Commit-ID: 2dyq07zHZKp
--HG--
extra : rebase_source : 8075a3ead73a5f2892a1a1a8e71252e574200bf4
When user removes all composition string of MS Pinyin, MS Wubi, MS ChangJie and
MS Quick with Backspace key, IME commits last character temporarily and
restart composition to replace the last character with empty string when
user tries to remove last one character.
This causes flicking composition string because the additional composition
selects the character and it may be painted immediately before removed, and
also editor will have unnecessary undo transaction.
Therefore, as same as bug 1208043, TSFTextStore::RecordCompositionStartAction()
should restart last composition in such case. Fortunately, we implemented
similar code for bug 1208043, however, unfortunately, we don't have preceding
pending compositionstart in this case. Therefore, this patch makes
pending compositionend store start offset of composition. Then, we can
restart composition only with information stored by pending compositionend
action. Additionally, this patch renames the method checking pending
actions for self-describing the new meaning.
MozReview-Commit-ID: 1RyuacxEbky
--HG--
extra : rebase_source : 1c8ecc0b63114ae65c77cd76cb85a21d2716442c
TextEditor modifies composition string or selected string when first
eCompositionChange event is received. However, TextComposition dispatches
eCompositionChange event ("text" event of DOM) only when composition string
becomes non-empty if current composition string is empty. So, when IME
dispatches only eCompositionStart and eCompositionCommit events for removing
selected text, TextEditor does nothing. This hacky behavior is used by
MS Pinyin on Windows 10 at least.
For supporting this behavior, we need to make TextComposition dispatch
eCompositionChange event when eCompositionChange(AsIs) event is fired
even before dispatching eCompositionChange event.
Although from point of view of web apps, the hacky composition should be
merged into the previous composition if it's possible but it's out of scope
of this bug.
MozReview-Commit-ID: 7QfeBJamGTU
--HG--
extra : rebase_source : 8de1353021f2961ae9f8bdf17ddded1058175339
Use wl_keyboard_listener and keymap event to get key mapping on Wayland. Weston simple-im.c example
is used as a reference implementation and actual key modifiers are derived from Wayland/GDK code from
gdkkeys-wayland.c.
MozReview-Commit-ID: 9fMwCvxkYy0
--HG--
extra : rebase_source : 21212cadfa7b1e8bacec2d6fb6970d2aaba7b3f6
VSync on Wayland is a bit tricky as we can get only "last VSync" event signal with
CLOCK_MONOTONIC timestamp or none (if application is hidden/minimized).
That means we should draw a next frame at "last Vsync + frame delay" time and also
approximate next VSync event when we don't get any.
MozReview-Commit-ID: FI3Z4nkmDNK
--HG--
extra : rebase_source : 8a0f6148990cf4e7ad26ff287eadff87cb0215fc
Currently, if an event is consumed in the main process, EventStateManager
does not send it to remote process. However, this is unexpected behavior
for some WidgetKeyboardEvent dispatchers. OS sometimes has consumed native
key events before sending applications. For example, Alt key on Windows
should activate menu bar of focused window but Alt key may be consumed before
focused window receives the event. In such case, we mark Alt keyboard event
as "consumed before dispatch", and chrome treat it like as its preventDefault()
is called in web content. (Note that for compatibility with other browsers,
the consumed state is not exposed to web content. So, Event.defaultPrevented
returns false in web content.)
Therefore, we need to treat "consumed" state and "cross process forwarding"
state separately. This patch makes calling WidgetEvent::PreventDefault()
always stops cross process forwarding for backward compatibility. Additionally,
for the special case mentioned above, this patch makes
WidgetEvent::PreventDefaultBeforeDispatch() take additional argument,
|aIfStopCrossProcessForwarding|. If this is CrossProcessForwarding::eStop,
the event won't be sent to remote process as same as calling PreventDefault().
Otherwise, CrossProcessForwarding::eHold, PreventDefaultBeforeDispatch() call
does not change "cross process forwarding" state. I.e., if the event's
StopCrossProcessForwarding() and PreventDefault() are not called until
EventStateManager::PostHandleEvent(), the event will be sent to remote process
as usual.
MozReview-Commit-ID: IQGWJvXetxV
--HG--
extra : rebase_source : 4ccdd500e80b8fe29e469ac3b85578e1c07c8358
Different from Windows and macOS, we cannot check if active keyboard layout
works as "IME" actually. Therefore, this patch add the telemetry probe
to the dispatcher of eCompositionStart. However, composition string is also
used by some Wester keyboard layouts which have dead keys. So, the meaning
of the result is deferent from the other platforms, but it must be useful
information which IM (e.g., fcitx, ibus) is used by most users.
MozReview-Commit-ID: A7vYuGtcrRw
--HG--
extra : rebase_source : 1f0948b58b999eee4b539d7db05d455b34f4be72
This patch adds a telemetry probe to collect Input Source ID or Bundle ID of
IME when an IME open mode is selected by user. Input Source ID includes
input mode of IME, but Bundle ID does not so. In most languages, we need
to collect the former, but only for Japanese IME, we need to collect the
latter because non-Japanese IME's input mode is "how to input characters".
So, the input mode is important. However, Japanese IME's input mode is
"to input which type of characters". So, Japanese IME user may use multiple
input modes but we need only the IME mode. If we'd collect number of
each input mode users of Japanese language, it'd be difficult to count
how many users actually used typical Japanese IME since somebody may use
only a mode, some others may use only different modes.
So, this patch collects Input Source ID when non-Japanese IME is open and
Bundle ID when Japanese IME is open.
MozReview-Commit-ID: CltLrWVGyRk
--HG--
extra : rebase_source : 752dd00c4e43bda9586ed3ba498636bf5069ead2
We always struggle with a lot of IME bugs on Windows. Currently, any IME
vendors should've already released TIP for TSF rather than legacy IMM-IME
since IMM-IME is not available on UWP apps. Additionally, due to API
limitation, it's difficult to get human-friendly name of IMM-IME. So, let's
collect only TIP names of TSF on Windows. This must be enough.
Note that we cannot get common-English name even though the API to retrieve
TIP name taking language code. Therefore, a TIP may be collected with
different name, e.g., one is Japanese name and the other is English name.
If we collect GUIDs of TIP, we can avoid this issue. However, it's
difficult to collect both GUID and human-friendly name since Telemetry
key is up to 72 characters.
Currently, I give up to avoid this duplicated issue. Perhaps, this is not
so serious issue since most TIP users must match language of TIP and their
system language settings. Therefore, this patch collects Locale ID of
TIP and description of it. Locale ID is necessary because some TIPs may be
named same name for different languages. For example, both Japanese and
Hangul IMEs of Microsoft are named as "Microsoft IME".
MozReview-Commit-ID: IeSxfeqS62a
--HG--
extra : rebase_source : b269ce3c41f7a998193972afb31183a61d3948be
Summary:
document.addEventListener("shadowrootattached", e => {
// Do stuff with composedTarget.
});
I didn't bother to add tests for the event itself since this is going to get
tested in bug 1449333, but I can look into writing a chrome mochitest if you
want.
Test Plan: See above.
Reviewers: smaug
Bug #: 1470545
Differential Revision: https://phabricator.services.mozilla.com/D1777
MozReview-Commit-ID: 55cVMSsznMS
This patch is an automatic replacement of s/NS_NOTREACHED/MOZ_ASSERT_UNREACHABLE/. Reindenting long lines and whitespace fixups follow in patch 6b.
MozReview-Commit-ID: 5UQVHElSpCr
--HG--
extra : rebase_source : 4c1b2fc32b269342f07639266b64941e2270e9c4
extra : source : 907543f6eae716f23a6de52b1ffb1c82908d158a
I'm replacing non-failing calls to NS_NOTREACHED with MOZ_ASSERT_UNREACHABLE, but this NS_NOTREACHED fails when running the browser/base/content/test/general/browser_tab_dragdrop2.js test because mContainer is unexpectedly *not* null. This is bug 1469183.
This patch DOES NOT fix the cause of the assertion failure. It just replaces this failing NS_NOTREACHED with NS_ERROR because I can't replace with a fatal MOZ_ASSERT_UNREACHABLE.
MozReview-Commit-ID: KeVjvKGihxZ
--HG--
extra : rebase_source : dc08a8e15d1e98cda0fa755be43c6d06910bfbe8
extra : intermediate-source : 562cc0bfc636f29b1708acd3284567bb8492e030
extra : source : 4f14f18eccd6bb18ed92f1d39a265a30ccdd21a1
|name| is too generic but the scope is too wide in test_keycodes.xul.
So, let's rename it to |currentTestName|.
MozReview-Commit-ID: JvEDhRhKYCU
--HG--
extra : rebase_source : 15e06fabddeddb8e79198aa9f135e2951976aa8e
When AltGr key is pressed, following messages come:
1. WM_KEYDOWN for ControlLeft
2. WM_KEYDOWN for AltLeft
3. WM_SYSKEYUP for ControlLeft
4. WM_KEYUP for AltLeft
In these key sequence, KeyboardEvent.key value of keydown event at #2 and keyup
event at #4 should be "AltGraph". This patch fixes the key value and
adding new test into test_keycodes.xul to check the behavior with
SynthesizeNativeKey().
MozReview-Commit-ID: JZ6WednB8la
--HG--
extra : rebase_source : 596371ede89e90c23f7e842b26ec8155b911fe60
Users can emulate AltGr key with pressing both Ctrl key and Alt key on Windows
since AltGr is represented as so in Windows and physical keyboard may not have
AltRight key.
If user emulates AltGr key, we should set MODIFIER_ALTGRAPH to a set of
keyboard events for printable keys only when the key press produces
character(s) or a dead key. For example:
1. ControlLeft keydown event should make ctrlKey true.
2. AltLeft keydown event should make altKey true (not AltGraph state).
3. ctrlKey and altKey of printable keydown, keypress and keyup events should be
set to false, but getModifierState("AltGraph") should return true.
4. AltLeft keyup event should make altKey false.
5. ControlLeft keyup event should make ctrlKey false.
(If AltLeft key is pressed first, altKey of AltLeft keydown is true and
both altKey and ctrlKey of the following ControlLeft keydown are true as
usual.)
MozReview-Commit-ID: 8Km8GXPDQw1
--HG--
extra : rebase_source : f4924f075c68361c8ce563910280ea24774c519f
KeyboardLayout::InitNativeKey() takes |const ModifierKeyState&| as its
argument with NativeKey reference and it calls some internal methods with
the given ModifierKeyState without any changes. Additionally, its caller
is only NativeKey::InitWithKeyChar() and its called with given NativeKey
instance's mModKeyState. So, removing the redundant arguments from
some methods makes them clearer what they compute with.
So, this patch does not change any behavior.
MozReview-Commit-ID: 3w9Ee7PMU05
--HG--
extra : rebase_source : b724a18d5a14672e60ffa5fb9feca5c11dac42a3
By the proposal from Google, <https://github.com/w3c/uievents/issues/147>,
Chromium treat AltRight key as "AltGraph" modifier if the keyboard layout
has AltGr key.
When AltRight key is pressed with a keyboard layout which has AltGr key,
modifiers should as following:
1. "keydown" for ControlLeft:
ctrlKey: true, altKey: false, getModifierState("AltGraph"): false
2. "keydown" for AltRight:
ctrlKey: false, altKey: false, getModifierState("AltGraph"): true
3. Some "keydown", "keypress" and "keyup" events:
ctrlKey: false, altKey: false, getModifierState("AltGraph"): true
4. "keyup" for ControlLeft:
ctrlKey: false, altKey: false, getModifierState("AltGraph"): true
5. "keyup" for AltRight:
ctrlKey: false, altKey: false, getModifierState("AltGraph"): false
So, only when the preceding "keydown" event for ControlLeft, ctrlKey should
be set to true as usual. However, after AltRight key is pressed actually,
we should treat "AltGraph" modifier is true and both ctrlKey and altKey
should be set to false for web apps can handle text input normally.
So, MODIFIER_ALTGRAPH and MODIFIER_CONTROL/MODIFIER_ALT should not be set
at the same time.
This patch makes ModifierKeyState have only MODIFIER_ALTGRAPH or
MODIFIER_CONTROL/MODIFIER_ALT.
Additionally, this patch makes VirtualKey::ShiftState treat "AltGraph" as a
modifier. So, now, VirtualKey needs to convert ShiftState to index value when
it accesses its mShiftStates array. Therefore, this patch adds
VirtualKey::ToIndex() and make each VirtualKey method use it before
accessing mShiftStates.
Note that this patch also fixes bug of WinUtils::SetupKeyModifiersSequence().
The constructor of KeyPair takes 2 keycode values, but the second virtual
keycode can have scancode to distinguish if the key is left or right.
However, WinUtils::SetupKeyModifiersSequence() never sets scancode to
KeyPair. Therefore, it fails to dispatch AltRight key event.
MozReview-Commit-ID: 7ealxJH9KlZ
--HG--
extra : rebase_source : 761bc4416222def020a0731d6ae7940ef074ebe0
For setting AltRight key's key value to "AltGraph" if it should work as so,
we need to know if current keyboard layout has AltGr key. Unfortunately,
Windows doesn't provide such information but we retrieve all input characters
from each key when a keyboard layout is loaded. So, when we load a keyboard
layout, we can mark if current keyboard layout has AltGr key with checking
at least one key inputs different character(s) when AltGr key is pressed.
MozReview-Commit-ID: 8GI3phSVTUS
--HG--
extra : rebase_source : f1622615f03740609984da6d216391e23cae6796
Currently, TSFTextStore::GetTextExt() won't return TS_E_NOLAYOUT error when
ATOK retrieves text rect of all of the composition string.
However, if user converts 2nd or later clause, ATOK retrieves text rect after
start of the character of selected clause. Returning TS_E_NOLAYOUT in this
case causes candidate window being positioned temporarily below first character
of the composition string.
For avoiding the flicker of the candidate window, TSFTextStore::GetTextExt()
shouldn't return TS_E_NOLAYOUT when ATOK retrieves text rects *in* the
composition string.
MozReview-Commit-ID: Cp17HmP2QGK
--HG--
extra : rebase_source : bdd2d2867cccdcf1fe39612ca2f52872d472cb7a
Old ATOK referred native caret position to decide its candidate window position.
However, at least ATOK 2016 does not need to refer it. Additionally, if we
create native caret for ATOK 2016, the candidate window position, ATOK 2016
refers the native caret only when we cannot return expected rect. Therefore,
only immediately after modifying composition string, the position is different
from actual position by a couple of pixels and that looks like flicks the
candidate window.
So, we should stop creating native caret for ATOK 2016 (as same as ATOK 2017).
MozReview-Commit-ID: LsmVXCmRIzc
--HG--
extra : rebase_source : 30b7d15cb23e567b14e1231909aa5a17bdf909a6
Fairly straightforward, just a blanket removal. Haven't heard
anything on dev-platform or fx-data-dev regarding this removal,
so I think it's likely safe to remove on Nightly, and we can
revert if anyone makes a fuss.
As part of removing the HangMonitor, I renamed a few things and
reorganized the namespaces to not depend on a HangMonitor
namespace. Hopefully this doesn't produce too much noise in the
diff, it just seemed appropriate to move everything around
rather than keep dangling vestiges of the old system.
MozReview-Commit-ID: 8C8NFnOP5GU
--HG--
extra : rebase_source : dd000a05bfc2da40c586644d33ca4508fa5330f6
When only a part of window is updated we need to clip that drawing.
We use image surface for that as WindowSurfaceX11Image does.
MozReview-Commit-ID: 13znE1ZszB8
--HG--
extra : rebase_source : a236799fa33d73037913df94c0d5e619c5d3c47e
Right now we use the "tab-child-created" notification to attach
GeckoEditableSupport to a PuppetWidget in the child process. However,
"tab-child-created" is not fired for all instances of PuppetWidget
creation, and attaching GeckoEditableSupport at this stage can also
cause race conditions.
This patch makes us listen to "content-document-global-created" instead,
but attach GeckoEditableSupport to the PuppetWidget the same way.
MozReview-Commit-ID: 8IAtzuvlK4K
--HG--
extra : rebase_source : 50e4f05bccd06d301a2c2b1464666e5e1a58b3b2
Right now we coalesce notifyIMEContext calls but only for legacy
reasons. With the current code we don't want to coalesce calls, in order
to be properly notified of blurring and focusing.
MozReview-Commit-ID: 6N2jhyyBKui
--HG--
extra : rebase_source : 0a488a726b834da4f6124092426638f4be368d43
Right now we always notify Java of input blur. However, when input is
rapidly blurred and then focused again, we don't want to generate the
unnecessary blur notification, in order to avoid unwanted effects such
as the keyboard flashing.
MozReview-Commit-ID: AL6aLAHqNpD
--HG--
extra : rebase_source : c0a6a731f95f997a7a8e19eacdb635f99d21ebf5
Some InputContext members are not forwarded through
PBrowser::SetInputContext.
MozReview-Commit-ID: C1bGYq4w8zT
--HG--
extra : rebase_source : 1481f08c7593fe9dceb3b96bbfe480a1c58ecf9d
In the case where an inactive scrollframe's scrollbar gets dragged, the
main thread layerizes the scrollframe and dispatches both a
SetTargetAPZC message and a AsyncDragMetrics message using post-refresh
observers. However, the post-refresh observers are registered such that
the SetTargetAPZC message gets sent first, and APZ will start
processing the drag block immediately upon receipt of that event. This
means that the APZC might not have the correct drag metrics when it
processes those input events. For correct behaviour, we want the
AsyncDragMetrics message to reach APZ first in this scenario, and this
patch accomplishes this by allowing the post-refresh observers to be
registered in the opposite order.
MozReview-Commit-ID: 6LzyYYG1t6F
--HG--
extra : rebase_source : 2e3ebaa4fd776c8ad17e8225d70ec4a18eee67e0
It's based on a solution by Takuro Ashie <ashie@clear-code.com>
MozReview-Commit-ID: FqcdUJQJLdl
--HG--
extra : rebase_source : d4ed4d66439a3693a2f4d5e6a4037ed62969d64f
Currently, TabChild discards eKeyDown and eKeyPress events which are marked as
"repeated" and were dispatched after the latest eKeyDown event comes into the
process. However, keyboard layout utils may generate native key events
as "repeated" even if each native key is important to input proper text.
So, TabChild shouldn't decide if coming keyboard event is skippable only with
mIsRepeat. For solving this issue, this patch adds
mMaybeSkippableInRemoteProcess to WidgetKeyboardEvent and makes
TabChild::SkipRepeatedKeyEvent() check
WidgetKeyboardEvent::CanSkipInRemoteProcess() instead.
On Windows, there are two ways to generate keyboard input messages. One is
using SendMessage() or PostMessage(). The other is SendInput() API. In both
ways, utils can make their input as repeated key messages.
The former case must be safe for this issue since such utils need to set 31st
bit of lParam to 1 explicitly.
On the other hand, in the latter case, the utils probably need to append
KEYEVENTF_KEYUP into KEYBDINPUT::dwFlags. Otherwise, only first call is
treated as non-repeated event.
So, when given message does not came from physical key operation, NativeKey
should set WidgetKeyboardEvent::mMaybeSkippableInRemoteProcess to false
even if WidgetKeyboardEvent::mIsRepeat is true.
MozReview-Commit-ID: 3rinrOjx8Tf
--HG--
extra : rebase_source : 26b6d869260176fc7ef535323b83001bb4b725c2
nsGeoPositionCoords will convert NaNs returned from the location providers to null properties of the JavaScript Coordinates object.
MozReview-Commit-ID: Cmuf2aO0ClD
--HG--
extra : rebase_source : cbccead609ff53a3e5f1bcf7698eba7382220ce5
extra : source : b4ced6e2bab2d17cf642f5850bda5998f635fccb
Refactored StyleComplexColor to support "complex" blending between
background (numeric) color and foreground color (currentColor).
Made explicit the distinction between numeric, currentColor and a
complex blend in Gecko and Stylo.
This is to support SMIL animation, for example, of the form:
<animate from="rgb(10,20,30)" by="currentColor" ... />
MozReview-Commit-ID: IUAK8P07gtm
--HG--
extra : rebase_source : d3648101c6f65479b21e6f02945731cd5bb57663
When runnables are posted to the main thread's event loop, the event
loop notifies any thread observers that this has been done. The app
shell registers itself as just such a runnable, and posts messages to
the native event loop that processing native events needs to be done.
On Windows, this posting takes an extra reference to the app shell, to
keep it alive until the message is processed by the native event loop,
since app shell code needs to be invoked during that processing. The
processing releases this extra reference, so everything stays balanced.
Except that it's possible for messages to be posted to the native event
loop, and then browser shutdown happens. Those messages are not
processed and the associated references taken are not released. This
imbalance means that in debug builds, we appear to be leaking the app
shell, and that leaking results in intermittent oranges.
This intermittent orange has manifested itself in a variety of ways over
the years, depending on how big the app shell itself was (since that
changes the number of bytes leaked) and how many leak-checked things the
app shell was holding on to. This bug is merely the latest
manifestation; the last serious work on analyzing the phenomenon and
fixing it was done in bug 1220517.
The solution proposed in that bug was that we simply stop the extra
reference counting; when the app shell is destroyed normally, we
shouldn't be processing the native event loop any more anyway. So even
if the native event loop is holding (freed) pointers to the app shell,
we'd never execute the callback and perform a use-after-free. Reading
through the code suggests that this *ought* to be the case, but the
potential for shooting ourselves in the foot seems awfully high.
In any event, this is not a problem unique to Windows; we have seen this
same sort of thing happen on OS X. See nsAppShell::ProcessGeckoEvents
in widget/cocoa/nsAppShell.mm.
Here we propose a slightly different solution: we keep track of the
number of native event callbacks we have scheduled, incrementing when we
schedule, and decrementing when we actually run one. When the app shell
is destroyed, we simply set the number of outstanding events to zero,
and we prohibit the callback from accessing the app shell if there are
no outstanding events. This solution is analogous to dropping the extra
reference counting, but avoids potential badness if we do wind up
processing native events after the app shell is destroyed.
Same approach as the other bug, mostly replacing automatically by removing
'using mozilla::Forward;' and then:
s/mozilla::Forward/std::forward/
s/Forward</std::forward</
The only file that required manual fixup was TestTreeTraversal.cpp, which had
a class called TestNodeForward with template parameters :)
MozReview-Commit-ID: A88qFG5AccP
We expose the relevant APIs on textarea and input elements anyway
(chromeonly). The QIs will throw on a non-input or non-textarea element, but
none of these consumers expect that to happen.
This was done automatically replacing:
s/mozilla::Move/std::move/
s/ Move(/ std::move(/
s/(Move(/(std::move(/
Removing the 'using mozilla::Move;' lines.
And then with a few manual fixups, see the bug for the split series..
MozReview-Commit-ID: Jxze3adipUh
Any more specific work that is happening in these methods will have its own
specific category labeling in that specific code. The instances touched in this
patch are more on the outside and don't really know what kind of code is going
to be running inside.
MozReview-Commit-ID: 47NO1DZzkdH
--HG--
extra : rebase_source : 35362bc94068103367f46b23a14cb3831cd86990
Categories are useful to indicate: This much % of time was spent in this category.
The EVENTS category isn't a very good match for this. This category is currently
only set on labels of functions that handle the processing of an event. But
those functions are usually closer to the base of the stack, and the actual CPU
work during the processing of an event is usually in another category closer to
the top of the stack, e.g. in JS if we're running an event handler, or in LAYOUT
if we're hit testing the position of the event.
This changeset removes the EVENTS category and replaces all uses of it with the
OTHER category.
MozReview-Commit-ID: JPm5hQiBkvp
--HG--
extra : rebase_source : 34fb2ca94151403a6d7ffd5a8b840f00a8bb4afb
In the case of a long-tap touch sequence, a new popup window (the
contextmenu) is spawned while the sequence is ongoing. The touch-end of
the sequence ends up getting delivered to the popup window, instead of
the original content window, and that causes the touch-handling
machinery state in the content window to get out of sync with reality.
This patch detects this scenario and redirects the touch events on the
popup window back to the original content window.
MozReview-Commit-ID: L2vvKLlogRA
--HG--
extra : rebase_source : fd4c36c93e45d05155d415f6470e12979b9a675b
If a key combination causes text input, we need to dispatch keypress
events without alt/ctrl/meta modifiers since TextEditor won't handle
keyepress events whose altKey, ctrlKey or metaKey is true as inputting
text.
Currently, TextEventDispatcher sets mCharCode of eKeyPress event from
mKeyValue. Then, when altKey, ctrlKey or metaKey is true, it'll call
WillDispatchKeyboardEvent() and then, TextInputHandler needs to reset
the charCode value from native event information.
However, the problem is, TextInputHandler::InsertText() is called
with control character when control key is pressed and InsertText()
clears the modifier information before sending eKeyPress event to
TextEvenDispatcher so that TextEventDispatcher won't call
WillDispatchKeyboardEvent() even though control key is actually
pressed. Therefore, TextInputHandler cannot adjust charCode value
and modifier flags in some cases such as control + option + 'a'.
This patch makes InsertText() stop clearing the modifiers and
makes WillDispatchKeyboardEvent() do it instead. This procedure
is expected by TextEventDispatcher.
MozReview-Commit-ID: Ig6qgRBeQDh
--HG--
extra : rebase_source : 446e8af0e921946f3409d26ede70446248317673
On macOS, option key is mapped to alt key, and it works like AltGr key on
the other platforms. Since our editor doesn't accept keypress events as
typing printable character if one of altKey, ctrlKey and metaKey of the
events is true, widget for macOS sets those attributes to false when an
editor has focus. On the other hand, if no editor has focus, our widget
does not do this hack so that altKey and ctrlKey values of keypress events
are always same as actual user operation and this is same behavior as the
other browsers. Therefore, we need to keep setting altKey of keypress
events to true if no editor has focus but we need to dispatch keypress
events even on content unless the charCode is 0.
So, only on macOS, WidgetKeyboardEvent::IsInputtingText() does not need
to check altKey state.
MozReview-Commit-ID: 4DMgdOfLqvQ
--HG--
extra : rebase_source : 18db91c0d77c6910a206e6c767e6f3b5cfd1c2ab
Fairly straightforward, just a blanket removal. Haven't heard
anything on dev-platform or fx-data-dev regarding this removal,
so I think it's likely safe to remove on Nightly, and we can
revert if anyone makes a fuss.
As part of removing the HangMonitor, I renamed a few things and
reorganized the namespaces to not depend on a HangMonitor
namespace. Hopefully this doesn't produce too much noise in the
diff, it just seemed appropriate to move everything around
rather than keep dangling vestiges of the old system.
MozReview-Commit-ID: 8C8NFnOP5GU
--HG--
extra : rebase_source : a8840bd26f4b01b756ffa72345ababb625048550
Fairly straightforward, just a blanket removal. Haven't heard
anything on dev-platform or fx-data-dev regarding this removal,
so I think it's likely safe to remove on Nightly, and we can
revert if anyone makes a fuss.
As part of removing the HangMonitor, I renamed a few things and
reorganized the namespaces to not depend on a HangMonitor
namespace. Hopefully this doesn't produce too much noise in the
diff, it just seemed appropriate to move everything around
rather than keep dangling vestiges of the old system.
MozReview-Commit-ID: 8C8NFnOP5GU
--HG--
extra : rebase_source : 59e4a6ced7d14d2a01c0b79e944078ea84cae523
Any more specific work that is happening in these methods will have its own
specific category labeling in that specific code. The instances touched in this
patch are more on the outside and don't really know what kind of code is going
to be running inside.
MozReview-Commit-ID: 47NO1DZzkdH
--HG--
extra : rebase_source : 344c380ddaaf42a1fd820a26b762c61ee9e2d524
