This reverts commit 72c28f3a01bd9e6bed256edc4629705d96a7cead as it looks
like a potential cause of performance benchmark regressions on
https://flutter-dashboard.appspot.com/benchmarks.html:
- flutter_gallery_ios__transition_perf average_frame_build_time_millis
- flutter_gallery_ios__transition_perf missed_frame_build_budget_count
* Don't crash if there is only a single SemanticsNode
Previously, the code assumed that the root SemanticsNode will allways have a child. This is not true as can be seen in the hello_world example app, which would crash when a11y is turned on.
* review comment
By adding these events the new developer centric timeline will be able
to identify and correlate events related to the different stages of the
drawing pipeline.
Roll Dart to 62045a4590a333ae557f8f261a909ee75449cd70
Skia tracing is extremely useful for internal debug, but reduces the
amount of space available in the Dart Timeline buffers.
Disable skia tracing by default and expose them via the --trace-skia
flag.
* Fix remaining ftl->fxl conversions
The previous scripting pass at this did not account for objective c file endings
* Update tonic DEPS reference to the post-fxl version
A node is considered focusable if it contains information that is interesing to the user. A node that doesn't add any semantic information of its own should not be focusable. It's expected that such a node has children, who have smeantics information and are therefore focusable.
Fixes https://github.com/flutter/flutter/issues/11179
- Assumes only the Dart VM is interested in idle notification.
- Gives the VM the time remaining in each frame.
- Gives the VM 100ms if there is no pending frame.
Issue flutter/flutter#9594
This reduces the size of the ICU data files from 10.3 MB to 6.6 MB (uncompressed). Also allows us to remove version specific hacks from libTXT and dependencies.
* The Flutter engine will be shipped as a shared library.
* The engine is renderer and window toolkit agnostic.
* The simple public C API is described in embedder.h.
* ABI breaking changes will be indicated by changing the FLUTTER_ENGINE_VERSION.
* A simple GLFW based example of this API is available at https://gist.github.com/chinmaygarde/8abf44921f7d87f6da7bf026267c4792
For consistency with Android, when the engine receives a
TextInput.setEditingState message from the framework, and the text has
changed, we now send a TextInputClient.updateEditingState message back
to the framework with the updated state from the engine. The framework
currently relies on this behaviour to trigger onChanged events in
certain scenarios (e.g., on tapping Paste in the selection controls).
Note: it may be more desirable for the framework to trigger the
onChanged calls without relying on the return message from the engine,
but this change ensures consistent behaviour across iOS and Android
until we've evaluated the pros/cons of such an approach.
If GPURasterizer::NotifyNextFrameOnce was rapidly invoked twice could
have lead to a null pointer exception.
Also ftp::WeakPtr are not thread safe and should not be dereferenced
from other threads.
