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The Servo Browser Engine
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bors-servo 401176b72d auto merge of #966 : tikue/servo/master, r=metajack 
Fixes #967 and #965 

This has been wrong for a long time. Previously, only the pipeline associated with the root frame evicted would be shut down. 1) It shouldn't necessarily be closed, because there could be references to it still in the navigation context, and 2) Presumably none of the children pipelines of the root frame were ever exiting.

It's hard to test this right now because #965 covers up other pipeline exiting issues, but when that's fixed, a pathological case in which things would have broken down would be:

1) Load a page with an iframe that contains a link
2) Click the link
3) Press backspace to navigate back
4) Navigate to any new page, at which point the forward page would be evicted from the navigation context, and the outer frame's pipeline would be shut down improperly.
5) Press backspace, at which point there is no longer a pipeline for the old page, because it was shut down prematurely. Presumably this would cause a crash.

I also changed the FrameTree function ```find_mut``` to ```find``` because find_mut implies it's doing something to cause mutability, but the mutability is caused by the type of object being iterated over, nothing else.

Additionally, script was exiting completely when receiving an exit message. Instead, it needs to handle exit messages according to who sent it. It should only close the subframes of the frame whose pipeline sent the exit message. This is now fixed.

Inexplicably, script was also closing the compositor upon receiving an exit message. This doesn't seem like it'd ever be the right thing to do. *Edit: this is _only_ the right thing to do when received from the window.* I've fixed that. I don't think anyone shuts down the compositor now. *Edit: the script shuts down the compositor only when receiving an exit from the window.*
2013-09-23 21:24:42 -07:00
bld Added mozharness config files 2013-07-17 17:36:34 -04:00
mk Make rust submodules depend on rust. 2013-09-23 10:40:34 -06:00
src split script_task::ExitMsg into WindowExitMsg and PipelineExitMsg 2013-09-24 00:15:35 -04:00
.gitignore DOM bindings: Autogenerate list of prototypes and binding registration goop. 2013-07-12 14:06:23 -04:00
.gitmodules Use https for rust-http submodule 2013-09-03 20:37:25 -07:00
configure Build rustc with debugging enabled. 2013-09-23 10:39:58 -06:00
Info.plist Build an app bundle on OS X 2012-04-23 17:43:45 -07:00
LICENSE Add license 2013-04-03 18:37:29 -07:00
Makefile.in Fix huge bug in makefile prevent rust from building with debugging or with -O. 2013-09-23 10:38:26 -06:00
README.md Update README.md for android build instruction 2013-08-28 10:40:29 +09:00

README.md

The Servo Parallel Browser Project

Servo is a prototype web browser engine written in the Rust language. It is currently developed on 64bit OS X and 64bit Linux.

Prerequisites

On OS X (homebrew):

brew install https://raw.github.com/Homebrew/homebrew-versions/master/autoconf213.rb
brew install automake libtool pkg-config

On OS X (MacPorts):

sudo port install autoconf213

On Debian-based Linuxes:

sudo apt-get install autoconf2.13 curl freeglut3-dev libtool \
    libfreetype6-dev libfontconfig1-dev libgl1-mesa-dri libglib2.0-dev \
    xorg-dev msttcorefonts

On Debian-based Linuxes (cross-compilation for Android):

sudo apt-get install autoconf2.13 curl libtool ia32-libs

And it needs pre-installed Android tools. See wiki for details

Servo builds its own copy of Rust, so there is no need to provide a Rust compiler.

Building

Servo cannot be built in-tree; you must create a directory in which to run configure and make and place the build artifacts.

git clone https://github.com/mozilla/servo.git
cd servo
mkdir -p build && cd build
../configure
make && make check
./servo ../src/test/html/about-mozilla.html

###Building for Android target

git clone https://github.com/mozilla/servo.git
cd servo
mkdir -p build && cd build
../configure --target-triples=arm-linux-androideabi --android-cross-path=<Android toolchain path> --android-ndk-path=<Android NDK path> --android-sdk-path=<Android SDK path>
make

Running

Commandline Arguments

  • -p INTERVAL turns on the profiler and dumps info to the console every INTERVAL seconds
  • -s SIZE sets the tile size for rendering; defaults to 512

Keyboard Shortcuts

  • Ctrl-L opens a dialog to browse to a new URL (Mac only currently)
  • Ctrl-- zooms out
  • Ctrl-= zooms in
  • Backspace goes backwards in the history
  • Shift-Backspace goes forwards in the history
  • Esc exits servo

Developing

There are lots of make targets you can use:

  • make clean - cleans Servo and its dependencies, but not Rust
  • make clean-rust - cleans Rust
  • make clean-servo - only cleans Servo itself (code in src/components
  • make clean-DEP - cleans the dependency DEP. e.g. make clean-rust-opengles
  • make bindings - generate the Rust WebIDL bindings
  • make DEP - builds only the specified dependency. e.g. make rust-opengles
  • make check-DEP - build and run tests for specified dependency