blob: bfd58b4611624e0835f8f82a9286ff02f57a6ac7 [file] [log] [blame]
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/browser/browser_module.h"
#include <vector>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/stl_util.h"
#include "base/string_number_conversions.h"
#include "base/string_split.h"
#include "cobalt/base/cobalt_paths.h"
#include "cobalt/base/source_location.h"
#include "cobalt/base/tokens.h"
#include "cobalt/browser/resource_provider_array_buffer_allocator.h"
#include "cobalt/browser/screen_shot_writer.h"
#include "cobalt/browser/storage_upgrade_handler.h"
#include "cobalt/browser/switches.h"
#include "cobalt/dom/csp_delegate_factory.h"
#include "cobalt/dom/keycode.h"
#include "cobalt/h5vcc/h5vcc.h"
#include "cobalt/input/input_device_manager_fuzzer.h"
#include "nb/memory_scope.h"
namespace cobalt {
namespace browser {
namespace {
// This constant defines the maximum rate at which the layout engine will
// refresh over time. Since there is little benefit in performing a layout
// faster than the display's refresh rate, we set this to 60Hz.
const float kLayoutMaxRefreshFrequencyInHz = 60.0f;
// TODO: Subscribe to viewport size changes.
#if defined(ENABLE_DEBUG_CONSOLE)
const char kFuzzerToggleCommand[] = "fuzzer_toggle";
const char kFuzzerToggleCommandShortHelp[] = "Toggles the input fuzzer on/off.";
const char kFuzzerToggleCommandLongHelp[] =
"Each time this is called, it will toggle whether the input fuzzer is "
"activated or not. While activated, input will constantly and randomly be "
"generated and passed directly into the main web module.";
const char kSetMediaConfigCommand[] = "set_media_config";
const char kSetMediaConfigCommandShortHelp[] =
"Sets media module configuration.";
const char kSetMediaConfigCommandLongHelp[] =
"This can be called in the form of set_media_config('name=value'), where "
"name is a string and value is an int. Refer to the implementation of "
"MediaModule::SetConfiguration() on individual platform for settings "
"supported on the particular platform.";
#if defined(ENABLE_SCREENSHOT)
// Command to take a screenshot.
const char kScreenshotCommand[] = "screenshot";
// Help strings for the navigate command.
const char kScreenshotCommandShortHelp[] = "Takes a screenshot.";
const char kScreenshotCommandLongHelp[] =
"Creates a screenshot of the most recent layout tree and writes it "
"to disk. Logs the filename of the screenshot to the console when done.";
#endif // defined(ENABLE_SCREENSHOT)
#if defined(ENABLE_SCREENSHOT)
void ScreenshotCompleteCallback(const FilePath& output_path) {
DLOG(INFO) << "Screenshot written to " << output_path.value();
}
void OnScreenshotMessage(BrowserModule* browser_module,
const std::string& message) {
UNREFERENCED_PARAMETER(message);
FilePath dir;
if (!PathService::Get(cobalt::paths::DIR_COBALT_DEBUG_OUT, &dir)) {
NOTREACHED() << "Failed to get debug out directory.";
}
base::Time::Exploded exploded;
base::Time::Now().LocalExplode(&exploded);
DCHECK(exploded.HasValidValues());
std::string screenshot_file_name =
StringPrintf("screenshot-%04d-%02d-%02d_%02d-%02d-%02d.png",
exploded.year, exploded.month, exploded.day_of_month,
exploded.hour, exploded.minute, exploded.second);
FilePath output_path = dir.Append(screenshot_file_name);
browser_module->RequestScreenshotToFile(
output_path, base::Bind(&ScreenshotCompleteCallback, output_path));
}
#endif // defined(ENABLE_SCREENSHOT)
#endif // defined(ENABLE_DEBUG_CONSOLE)
#if defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
void GetVideoContainerSizeOverride(math::Size* output_size) {
DCHECK(output_size);
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kVideoContainerSizeOverride)) {
std::string size_override = command_line->GetSwitchValueASCII(
browser::switches::kVideoContainerSizeOverride);
DLOG(INFO) << "Set video container size override from command line to "
<< size_override;
// Override string should be something like "1920x1080".
int32 width, height;
std::vector<std::string> tokens;
base::SplitString(size_override, 'x', &tokens);
if (tokens.size() == 2 && base::StringToInt32(tokens[0], &width) &&
base::StringToInt32(tokens[1], &height)) {
*output_size = math::Size(width, height);
} else {
DLOG(WARNING) << "Invalid size specified for video container: "
<< size_override;
}
}
}
#endif
scoped_refptr<script::Wrappable> CreateH5VCC(
const h5vcc::H5vcc::Settings& settings) {
return scoped_refptr<script::Wrappable>(new h5vcc::H5vcc(settings));
}
} // namespace
BrowserModule::BrowserModule(const GURL& url,
system_window::SystemWindow* system_window,
account::AccountManager* account_manager,
const Options& options)
: ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)),
ALLOW_THIS_IN_INITIALIZER_LIST(
weak_this_(weak_ptr_factory_.GetWeakPtr())),
self_message_loop_(MessageLoop::current()),
storage_manager_(
scoped_ptr<StorageUpgradeHandler>(new StorageUpgradeHandler(url))
.PassAs<storage::StorageManager::UpgradeHandler>(),
options.storage_manager_options),
#if defined(OS_STARBOARD)
is_rendered_(false),
#endif // OS_STARBOARD
renderer_module_(system_window, options.renderer_module_options),
#if defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
array_buffer_allocator_(new ResourceProviderArrayBufferAllocator(
renderer_module_.pipeline()->GetResourceProvider())),
array_buffer_cache_(new dom::ArrayBuffer::Cache(3 * 1024 * 1024)),
#endif // defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
network_module_(&storage_manager_, system_window->event_dispatcher(),
options.network_module_options),
render_tree_combiner_(&renderer_module_,
renderer_module_.render_target()->GetSize()),
#if defined(ENABLE_SCREENSHOT)
screen_shot_writer_(new ScreenShotWriter(renderer_module_.pipeline())),
#endif // defined(ENABLE_SCREENSHOT)
web_module_loaded_(true /* manually_reset */,
false /* initially_signalled */),
web_module_recreated_callback_(options.web_module_recreated_callback),
#if defined(ENABLE_DEBUG_CONSOLE)
ALLOW_THIS_IN_INITIALIZER_LIST(fuzzer_toggle_command_handler_(
kFuzzerToggleCommand,
base::Bind(&BrowserModule::OnFuzzerToggle, base::Unretained(this)),
kFuzzerToggleCommandShortHelp, kFuzzerToggleCommandLongHelp)),
ALLOW_THIS_IN_INITIALIZER_LIST(set_media_config_command_handler_(
kSetMediaConfigCommand,
base::Bind(&BrowserModule::OnSetMediaConfig, base::Unretained(this)),
kSetMediaConfigCommandShortHelp, kSetMediaConfigCommandLongHelp)),
#if defined(ENABLE_SCREENSHOT)
ALLOW_THIS_IN_INITIALIZER_LIST(screenshot_command_handler_(
kScreenshotCommand,
base::Bind(&OnScreenshotMessage, base::Unretained(this)),
kScreenshotCommandShortHelp, kScreenshotCommandLongHelp)),
#endif // defined(ENABLE_SCREENSHOT)
#endif // defined(ENABLE_DEBUG_CONSOLE)
ALLOW_THIS_IN_INITIALIZER_LIST(
h5vcc_url_handler_(this, system_window, account_manager)),
web_module_options_(options.web_module_options),
has_resumed_(true, false),
will_quit_(false),
suspended_(false),
system_window_(system_window) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::BrowserModule()");
// All allocations for media will be tracked by "Media" memory scope.
{
TRACK_MEMORY_SCOPE("Media");
math::Size output_size = renderer_module_.render_target()->GetSize();
if (system_window->GetVideoPixelRatio() != 1.f) {
output_size.set_width(
static_cast<int>(static_cast<float>(output_size.width()) *
system_window->GetVideoPixelRatio()));
output_size.set_height(
static_cast<int>(static_cast<float>(output_size.height()) *
system_window->GetVideoPixelRatio()));
}
#if defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
GetVideoContainerSizeOverride(&output_size);
#endif
media_module_ = (media::MediaModule::Create(
system_window, output_size,
renderer_module_.pipeline()->GetResourceProvider(),
options.media_module_options));
}
// Setup our main web module to have the H5VCC API injected into it.
DCHECK(!ContainsKey(web_module_options_.injected_window_attributes, "h5vcc"));
h5vcc::H5vcc::Settings h5vcc_settings;
h5vcc_settings.media_module = media_module_.get();
h5vcc_settings.network_module = &network_module_;
h5vcc_settings.account_manager = account_manager;
h5vcc_settings.event_dispatcher = system_window->event_dispatcher();
h5vcc_settings.initial_deep_link = options.initial_deep_link;
web_module_options_.injected_window_attributes["h5vcc"] =
base::Bind(&CreateH5VCC, h5vcc_settings);
#if defined(ENABLE_DEBUG_CONSOLE) && defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kInputFuzzer)) {
OnFuzzerToggle(std::string());
}
#endif // ENABLE_DEBUG_CONSOLE && ENABLE_DEBUG_COMMAND_LINE_SWITCHES
input_device_manager_ = input::InputDeviceManager::CreateFromWindow(
base::Bind(&BrowserModule::OnKeyEventProduced, base::Unretained(this)),
system_window);
#if defined(ENABLE_DEBUG_CONSOLE)
debug_console_.reset(new DebugConsole(
base::Bind(&BrowserModule::QueueOnDebugConsoleRenderTreeProduced,
base::Unretained(this)),
media_module_.get(), &network_module_,
renderer_module_.render_target()->GetSize(),
renderer_module_.pipeline()->GetResourceProvider(),
kLayoutMaxRefreshFrequencyInHz,
base::Bind(&BrowserModule::GetDebugServer, base::Unretained(this))));
#endif // defined(ENABLE_DEBUG_CONSOLE)
// Always render the debug console. It will draw nothing if disabled.
// This setting is ignored if ENABLE_DEBUG_CONSOLE is not defined.
// TODO: Render tree combiner should probably be refactored.
render_tree_combiner_.set_render_debug_console(true);
// Synchronously construct our WebModule object.
NavigateInternal(url);
DCHECK(web_module_);
}
BrowserModule::~BrowserModule() {
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
}
void BrowserModule::Navigate(const GURL& url) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::Navigate()");
web_module_loaded_.Reset();
// Always post this as a task in case this is being called from the WebModule.
self_message_loop_->PostTask(
FROM_HERE, base::Bind(&BrowserModule::NavigateInternal, weak_this_, url));
}
void BrowserModule::Reload() {
TRACE_EVENT0("cobalt::browser", "BrowserModule::Reload()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
DCHECK(web_module_);
web_module_->ExecuteJavascript(
"location.reload();",
base::SourceLocation("[object BrowserModule]", 1, 1));
}
void BrowserModule::NavigateInternal(const GURL& url) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::NavigateInternal()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
// First try the registered handlers (e.g. for h5vcc://). If one of these
// handles the URL, we don't use the web module.
if (TryURLHandlers(url)) {
return;
}
// Destroy old WebModule first, so we don't get a memory high-watermark after
// the second WebModule's constructor runs, but before scoped_ptr::reset() is
// run.
web_module_.reset(NULL);
// Show a splash screen while we're waiting for the web page to load.
const math::Size& viewport_size = renderer_module_.render_target()->GetSize();
DestroySplashScreen();
splash_screen_.reset(
new SplashScreen(base::Bind(&BrowserModule::QueueOnRenderTreeProduced,
base::Unretained(this)),
&network_module_, viewport_size,
renderer_module_.pipeline()->GetResourceProvider(),
kLayoutMaxRefreshFrequencyInHz));
// Create new WebModule.
#if !defined(COBALT_FORCE_CSP)
web_module_options_.csp_insecure_allowed_token =
dom::CspDelegateFactory::GetInsecureAllowedToken();
#endif
WebModule::Options options(web_module_options_);
options.navigation_callback =
base::Bind(&BrowserModule::Navigate, base::Unretained(this));
options.loaded_callbacks.push_back(
base::Bind(&BrowserModule::OnLoad, base::Unretained(this)));
#if defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
options.dom_settings_options.array_buffer_allocator =
array_buffer_allocator_.get();
options.dom_settings_options.array_buffer_cache = array_buffer_cache_.get();
#endif // defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
#if defined(ENABLE_FAKE_MICROPHONE)
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kFakeMicrophone) ||
CommandLine::ForCurrentProcess()->HasSwitch(switches::kInputFuzzer)) {
options.dom_settings_options.microphone_options.enable_fake_microphone =
true;
}
#endif // defined(ENABLE_FAKE_MICROPHONE)
options.image_cache_capacity_multiplier_when_playing_video =
COBALT_IMAGE_CACHE_CAPACITY_MULTIPLIER_WHEN_PLAYING_VIDEO;
web_module_.reset(new WebModule(
url, base::Bind(&BrowserModule::QueueOnRenderTreeProduced,
base::Unretained(this)),
base::Bind(&BrowserModule::OnError, base::Unretained(this)),
base::Bind(&BrowserModule::OnWindowClose, base::Unretained(this)),
media_module_.get(), &network_module_, viewport_size,
renderer_module_.pipeline()->GetResourceProvider(), system_window_,
kLayoutMaxRefreshFrequencyInHz, options));
if (!web_module_recreated_callback_.is_null()) {
web_module_recreated_callback_.Run();
}
}
void BrowserModule::OnLoad() {
TRACE_EVENT0("cobalt::browser", "BrowserModule::OnLoad()");
// Repost to our own message loop if necessary. This also prevents
// asynchronous access to this object by |web_module_| during destruction.
if (MessageLoop::current() != self_message_loop_) {
self_message_loop_->PostTask(
FROM_HERE, base::Bind(&BrowserModule::OnLoad, weak_this_));
return;
}
DestroySplashScreen();
// This log is relied on by the webdriver benchmark tests, so it shouldn't be
// changed unless the corresponding benchmark logic is changed as well.
LOG(INFO) << "Loaded WebModule";
web_module_loaded_.Signal();
}
bool BrowserModule::WaitForLoad(const base::TimeDelta& timeout) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::WaitForLoad()");
return web_module_loaded_.TimedWait(timeout);
}
#if defined(ENABLE_SCREENSHOT)
void BrowserModule::RequestScreenshotToFile(const FilePath& path,
const base::Closure& done_cb) {
screen_shot_writer_->RequestScreenshot(path, done_cb);
}
void BrowserModule::RequestScreenshotToBuffer(
const ScreenShotWriter::PNGEncodeCompleteCallback&
encode_complete_callback) {
screen_shot_writer_->RequestScreenshotToMemory(encode_complete_callback);
}
#endif
void BrowserModule::ProcessRenderTreeSubmissionQueue() {
TRACE_EVENT0("cobalt::browser",
"BrowserModule::ProcessRenderTreeSubmissionQueue()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
render_tree_submission_queue_.ProcessAll();
}
void BrowserModule::QueueOnRenderTreeProduced(
const browser::WebModule::LayoutResults& layout_results) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::QueueOnRenderTreeProduced()");
render_tree_submission_queue_.AddMessage(
base::Bind(&BrowserModule::OnRenderTreeProduced, base::Unretained(this),
layout_results));
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::ProcessRenderTreeSubmissionQueue, weak_this_));
}
void BrowserModule::OnRenderTreeProduced(
const browser::WebModule::LayoutResults& layout_results) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::OnRenderTreeProduced()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
renderer::Submission renderer_submission(layout_results.render_tree,
layout_results.layout_time);
#if defined(OS_STARBOARD)
renderer_submission.on_rasterized_callback = base::Bind(
&BrowserModule::OnRendererSubmissionRasterized, base::Unretained(this));
#endif // OS_STARBOARD
render_tree_combiner_.UpdateMainRenderTree(renderer_submission);
#if defined(ENABLE_SCREENSHOT)
screen_shot_writer_->SetLastPipelineSubmission(renderer::Submission(
layout_results.render_tree, layout_results.layout_time));
#endif
}
void BrowserModule::OnWindowClose() {
#if defined(ENABLE_DEBUG_CONSOLE)
if (input_device_manager_fuzzer_) {
return;
}
#endif
#if defined(OS_STARBOARD)
SbSystemRequestStop(0);
#else
LOG(WARNING) << "window.close is not supported on this platform.";
#endif
}
#if defined(ENABLE_DEBUG_CONSOLE)
void BrowserModule::OnFuzzerToggle(const std::string& message) {
if (MessageLoop::current() != self_message_loop_) {
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::OnFuzzerToggle, weak_this_, message));
return;
}
if (!input_device_manager_fuzzer_) {
// Wire up the input fuzzer key generator to the keyboard event callback.
input_device_manager_fuzzer_ = scoped_ptr<input::InputDeviceManager>(
new input::InputDeviceManagerFuzzer(
base::Bind(&BrowserModule::InjectKeyEventToMainWebModule,
base::Unretained(this))));
} else {
input_device_manager_fuzzer_.reset();
}
}
void BrowserModule::OnSetMediaConfig(const std::string& config) {
if (MessageLoop::current() != self_message_loop_) {
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::OnSetMediaConfig, weak_this_, config));
return;
}
std::vector<std::string> tokens;
base::SplitString(config, '=', &tokens);
int value;
if (tokens.size() != 2 || !base::StringToInt(tokens[1], &value)) {
LOG(WARNING) << "Media configuration '" << config << "' is not in the"
<< " form of '<string name>=<int value>'.";
return;
}
if (media_module_->SetConfiguration(tokens[0], value)) {
LOG(INFO) << "Successfully setting " << tokens[0] << " to " << value;
} else {
LOG(WARNING) << "Failed to set " << tokens[0] << " to " << value;
}
}
void BrowserModule::QueueOnDebugConsoleRenderTreeProduced(
const browser::WebModule::LayoutResults& layout_results) {
TRACE_EVENT0("cobalt::browser",
"BrowserModule::QueueOnDebugConsoleRenderTreeProduced()");
render_tree_submission_queue_.AddMessage(
base::Bind(&BrowserModule::OnDebugConsoleRenderTreeProduced,
base::Unretained(this), layout_results));
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::ProcessRenderTreeSubmissionQueue, weak_this_));
}
void BrowserModule::OnDebugConsoleRenderTreeProduced(
const browser::WebModule::LayoutResults& layout_results) {
TRACE_EVENT0("cobalt::browser",
"BrowserModule::OnDebugConsoleRenderTreeProduced()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
if (debug_console_->GetMode() == debug::DebugHub::kDebugConsoleOff) {
render_tree_combiner_.UpdateDebugConsoleRenderTree(base::nullopt);
return;
}
render_tree_combiner_.UpdateDebugConsoleRenderTree(renderer::Submission(
layout_results.render_tree, layout_results.layout_time));
}
#endif // defined(ENABLE_DEBUG_CONSOLE)
void BrowserModule::OnKeyEventProduced(const dom::KeyboardEvent::Data& event) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::OnKeyEventProduced()");
if (MessageLoop::current() != self_message_loop_) {
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::OnKeyEventProduced, weak_this_, event));
return;
}
// Filter the key event.
if (!FilterKeyEvent(event)) {
return;
}
#if defined(ENABLE_DEBUG_CONSOLE)
trace_manager_.OnKeyEventProduced();
#endif // defined(ENABLE_DEBUG_CONSOLE)
InjectKeyEventToMainWebModule(event);
}
void BrowserModule::InjectKeyEventToMainWebModule(
const dom::KeyboardEvent::Data& event) {
TRACE_EVENT0("cobalt::browser",
"BrowserModule::InjectKeyEventToMainWebModule()");
if (MessageLoop::current() != self_message_loop_) {
self_message_loop_->PostTask(
FROM_HERE, base::Bind(&BrowserModule::InjectKeyEventToMainWebModule,
weak_this_, event));
return;
}
DCHECK(web_module_);
web_module_->InjectKeyboardEvent(event);
}
void BrowserModule::OnError(const GURL& url, const std::string& error) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::OnError()");
LOG(ERROR) << error;
std::string url_string = "h5vcc://network-failure";
// Retry the current URL.
url_string += "?retry-url=" + url.spec();
Navigate(GURL(url_string));
}
bool BrowserModule::FilterKeyEvent(const dom::KeyboardEvent::Data& event) {
TRACE_EVENT0("cobalt::browser", "BrowserModule::FilterKeyEvent()");
// Check for hotkeys first. If it is a hotkey, no more processing is needed.
if (!FilterKeyEventForHotkeys(event)) {
return false;
}
#if defined(ENABLE_DEBUG_CONSOLE)
// If the debug console is fully visible, it gets the next chance to handle
// key events.
if (debug_console_->GetMode() >= debug::DebugHub::kDebugConsoleOn) {
if (!debug_console_->FilterKeyEvent(event)) {
return false;
}
}
#endif // defined(ENABLE_DEBUG_CONSOLE)
return true;
}
bool BrowserModule::FilterKeyEventForHotkeys(
const dom::KeyboardEvent::Data& event) {
#if !defined(ENABLE_DEBUG_CONSOLE)
UNREFERENCED_PARAMETER(event);
#else
if (event.key_code == dom::keycode::kF1 ||
(event.modifiers & dom::UIEventWithKeyState::kCtrlKey &&
event.key_code == dom::keycode::kO)) {
if (event.type == dom::KeyboardEvent::kTypeKeyDown) {
// Ctrl+O toggles the debug console display.
debug_console_->CycleMode();
}
return false;
}
#endif // defined(ENABLE_DEBUG_CONSOLE)
return true;
}
void BrowserModule::AddURLHandler(
const URLHandler::URLHandlerCallback& callback) {
url_handlers_.push_back(callback);
}
void BrowserModule::RemoveURLHandler(
const URLHandler::URLHandlerCallback& callback) {
for (URLHandlerCollection::iterator iter = url_handlers_.begin();
iter != url_handlers_.end(); ++iter) {
if (iter->Equals(callback)) {
url_handlers_.erase(iter);
return;
}
}
}
bool BrowserModule::TryURLHandlers(const GURL& url) {
for (URLHandlerCollection::const_iterator iter = url_handlers_.begin();
iter != url_handlers_.end(); ++iter) {
if (iter->Run(url)) {
return true;
}
}
// No registered handler handled the URL, let the caller handle it.
return false;
}
void BrowserModule::DestroySplashScreen() {
TRACE_EVENT0("cobalt::browser", "BrowserModule::DestroySplashScreen()");
splash_screen_.reset(NULL);
}
#if defined(ENABLE_WEBDRIVER)
scoped_ptr<webdriver::SessionDriver> BrowserModule::CreateSessionDriver(
const webdriver::protocol::SessionId& session_id) {
return make_scoped_ptr(new webdriver::SessionDriver(
session_id,
base::Bind(&BrowserModule::CreateWindowDriver, base::Unretained(this)),
base::Bind(&BrowserModule::WaitForLoad, base::Unretained(this))));
}
scoped_ptr<webdriver::WindowDriver> BrowserModule::CreateWindowDriver(
const webdriver::protocol::WindowId& window_id) {
// Repost to our message loop to ensure synchronous access to |web_module_|.
scoped_ptr<webdriver::WindowDriver> window_driver;
self_message_loop_->PostTask(
FROM_HERE, base::Bind(&BrowserModule::CreateWindowDriverInternal,
base::Unretained(this), window_id,
base::Unretained(&window_driver)));
// Wait for the result and return it.
base::WaitableEvent got_window_driver(true, false);
self_message_loop_->PostTask(
FROM_HERE, base::Bind(&base::WaitableEvent::Signal,
base::Unretained(&got_window_driver)));
got_window_driver.Wait();
// This log is relied on by the webdriver benchmark tests, so it shouldn't be
// changed unless the corresponding benchmark logic is changed as well.
LOG(INFO) << "Created WindowDriver: ID=" << window_id.id();
DCHECK(window_driver);
return window_driver.Pass();
}
void BrowserModule::CreateWindowDriverInternal(
const webdriver::protocol::WindowId& window_id,
scoped_ptr<webdriver::WindowDriver>* out_window_driver) {
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
DCHECK(web_module_);
*out_window_driver = web_module_->CreateWindowDriver(window_id);
}
#endif // defined(ENABLE_WEBDRIVER)
#if defined(ENABLE_DEBUG_CONSOLE)
debug::DebugServer* BrowserModule::GetDebugServer() {
// Repost to our message loop to ensure synchronous access to |web_module_|.
debug::DebugServer* debug_server = NULL;
self_message_loop_->PostTask(
FROM_HERE,
base::Bind(&BrowserModule::GetDebugServerInternal, base::Unretained(this),
base::Unretained(&debug_server)));
// Wait for the result and return it.
base::WaitableEvent got_debug_server(true, false);
self_message_loop_->PostTask(FROM_HERE,
base::Bind(&base::WaitableEvent::Signal,
base::Unretained(&got_debug_server)));
got_debug_server.Wait();
DCHECK(debug_server);
return debug_server;
}
void BrowserModule::GetDebugServerInternal(
debug::DebugServer** out_debug_server) {
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
DCHECK(web_module_);
*out_debug_server = web_module_->GetDebugServer();
}
#endif // ENABLE_DEBUG_CONSOLE
void BrowserModule::SetProxy(const std::string& proxy_rules) {
// NetworkModule will ensure this happens on the correct thread.
network_module_.SetProxy(proxy_rules);
}
void BrowserModule::Suspend() {
TRACE_EVENT0("cobalt::browser", "BrowserModule::Suspend()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
DCHECK(!suspended_);
// First suspend all our web modules which implies that they will release their
// resource provider and all resources created through it.
#if defined(ENABLE_DEBUG_CONSOLE)
if (debug_console_) {
debug_console_->Suspend();
}
#endif
if (splash_screen_) {
splash_screen_->Suspend();
}
if (web_module_) {
web_module_->Suspend();
}
// Flush out any submitted render trees pushed since we started shutting down
// the web modules above.
render_tree_submission_queue_.ProcessAll();
#if defined(ENABLE_SCREENSHOT)
// The screenshot writer may be holding on to a reference to a render tree
// which could in turn be referencing resources like images, so clear that
// out.
screen_shot_writer_->ClearLastPipelineSubmission();
#endif
// Clear out the render tree combiner so that it doesn't hold on to any
// render tree resources either.
render_tree_combiner_.Reset();
#if defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
// Note that the following function call will leak the GPU memory allocated.
// This is because after renderer_module_.Suspend() is called it is no longer
// safe to release the GPU memory allocated.
// The following code can call reset() to release the allocated memory but
// the memory may still be used by XHR and ArrayBuffer. As this feature is
// only used on platform without Resume() support, it is safer to leak the
// memory then to release it.
dom::ArrayBuffer::Allocator* allocator = array_buffer_allocator_.release();
#endif // defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
media_module_->Suspend();
// Place the renderer module into a suspended state where it releases all its
// graphical resources.
renderer_module_.Suspend();
suspended_ = true;
}
void BrowserModule::Resume() {
TRACE_EVENT0("cobalt::browser", "BrowserModule::Resume()");
DCHECK_EQ(MessageLoop::current(), self_message_loop_);
DCHECK(suspended_);
renderer_module_.Resume();
media_module_->Resume();
#if defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
// Resume() is not supported on platforms that allocates ArrayBuffer on GPU
// memory.
NOTREACHED();
#endif // defined(ENABLE_GPU_ARRAY_BUFFER_ALLOCATOR)
// Note that at this point, it is probable that this resource provider is
// different than the one that was managed in the associated call to
// Suspend().
render_tree::ResourceProvider* resource_provider =
renderer_module_.pipeline()->GetResourceProvider();
#if defined(ENABLE_DEBUG_CONSOLE)
if (debug_console_) {
debug_console_->Resume(resource_provider);
}
#endif
if (splash_screen_) {
splash_screen_->Resume(resource_provider);
}
if (web_module_) {
web_module_->Resume(resource_provider);
}
suspended_ = false;
}
#if defined(OS_STARBOARD)
void BrowserModule::OnRendererSubmissionRasterized() {
TRACE_EVENT0("cobalt::browser",
"BrowserModule::OnRendererSubmissionRasterized()");
if (!is_rendered_) {
// Hide the system splash screen when the first render has completed.
is_rendered_ = true;
SbSystemHideSplashScreen();
}
}
#endif // OS_STARBOARD
} // namespace browser
} // namespace cobalt