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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/html_viewer/html_document_oopif.h"
#include "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "base/thread_task_runner_handle.h"
#include "components/devtools_service/public/cpp/switches.h"
#include "components/html_viewer/blink_url_request_type_converters.h"
#include "components/html_viewer/devtools_agent_impl.h"
#include "components/html_viewer/document_resource_waiter.h"
#include "components/html_viewer/global_state.h"
#include "components/html_viewer/html_frame.h"
#include "components/html_viewer/html_frame_tree_manager.h"
#include "components/html_viewer/test_html_viewer_impl.h"
#include "components/html_viewer/web_url_loader_impl.h"
#include "components/view_manager/ids.h"
#include "components/view_manager/public/cpp/view.h"
#include "components/view_manager/public/cpp/view_manager.h"
#include "mojo/application/public/cpp/application_impl.h"
#include "mojo/application/public/cpp/connect.h"
#include "mojo/application/public/interfaces/shell.mojom.h"
#include "mojo/converters/geometry/geometry_type_converters.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/mojo/src/mojo/public/cpp/system/data_pipe.h"
#include "ui/gfx/geometry/dip_util.h"
#include "ui/gfx/geometry/size.h"
using mojo::AxProvider;
using mojo::View;
namespace html_viewer {
namespace {
const char kEnableTestInterface[] = "enable-html-viewer-test-interface";
bool IsTestInterfaceEnabled() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
kEnableTestInterface);
}
bool EnableRemoteDebugging() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
devtools_service::kRemoteDebuggingPort);
}
} // namespace
HTMLDocumentOOPIF::BeforeLoadCache::BeforeLoadCache() {
}
HTMLDocumentOOPIF::BeforeLoadCache::~BeforeLoadCache() {
STLDeleteElements(&ax_provider_requests);
STLDeleteElements(&test_interface_requests);
}
HTMLDocumentOOPIF::HTMLDocumentOOPIF(mojo::ApplicationImpl* html_document_app,
mojo::ApplicationConnection* connection,
mojo::URLResponsePtr response,
GlobalState* global_state,
const DeleteCallback& delete_callback)
: app_refcount_(html_document_app->app_lifetime_helper()
->CreateAppRefCount()),
html_document_app_(html_document_app),
connection_(connection),
view_manager_client_factory_(html_document_app->shell(), this),
global_state_(global_state),
frame_(nullptr),
delete_callback_(delete_callback) {
// TODO(sky): nuke headless. We're not going to care about it anymore.
DCHECK(!global_state_->is_headless());
connection->AddService(
static_cast<mojo::InterfaceFactory<mandoline::FrameTreeClient>*>(this));
connection->AddService(static_cast<InterfaceFactory<AxProvider>*>(this));
connection->AddService(&view_manager_client_factory_);
if (IsTestInterfaceEnabled()) {
connection->AddService(
static_cast<mojo::InterfaceFactory<TestHTMLViewer>*>(this));
}
resource_waiter_.reset(
new DocumentResourceWaiter(global_state_, response.Pass(), this));
LoadIfNecessary();
}
void HTMLDocumentOOPIF::Destroy() {
if (resource_waiter_) {
mojo::View* root = resource_waiter_->root();
if (root) {
root->RemoveObserver(this);
resource_waiter_.reset();
delete root->view_manager();
} else {
delete this;
}
} else {
// Closing the frame ends up destroying the ViewManager, which triggers
// deleting this (OnViewManagerDestroyed()).
frame_->Close();
}
}
HTMLDocumentOOPIF::~HTMLDocumentOOPIF() {
delete_callback_.Run(this);
STLDeleteElements(&ax_providers_);
}
void HTMLDocumentOOPIF::LoadIfNecessary() {
if (!frame_ && resource_waiter_->IsReady())
Load();
}
void HTMLDocumentOOPIF::Load() {
DCHECK(resource_waiter_ && resource_waiter_->IsReady());
mojo::View* view = resource_waiter_->root();
global_state_->InitIfNecessary(
view->viewport_metrics().size_in_pixels.To<gfx::Size>(),
view->viewport_metrics().device_pixel_ratio);
view->RemoveObserver(this);
WebURLRequestExtraData* extra_data = new WebURLRequestExtraData;
extra_data->synthetic_response =
resource_waiter_->ReleaseURLResponse().Pass();
frame_ = HTMLFrameTreeManager::CreateFrameAndAttachToTree(
global_state_, html_document_app_, view, resource_waiter_.Pass(), this);
// TODO(yzshen): http://crbug.com/498986 Creating DevToolsAgentImpl instances
// causes html_viewer_apptests flakiness currently. Before we fix that we
// cannot enable remote debugging (which is required by Telemetry tests) on
// the bots.
if (EnableRemoteDebugging() && !frame_->parent()) {
devtools_agent_.reset(new DevToolsAgentImpl(
frame_->web_frame()->toWebLocalFrame(), html_document_app_->shell()));
}
const GURL url(extra_data->synthetic_response->url);
blink::WebURLRequest web_request;
web_request.initialize();
web_request.setURL(url);
web_request.setExtraData(extra_data);
frame_->web_frame()->toWebLocalFrame()->loadRequest(web_request);
}
HTMLDocumentOOPIF::BeforeLoadCache* HTMLDocumentOOPIF::GetBeforeLoadCache() {
CHECK(!did_finish_local_frame_load_);
if (!before_load_cache_.get())
before_load_cache_.reset(new BeforeLoadCache);
return before_load_cache_.get();
}
void HTMLDocumentOOPIF::OnEmbed(View* root) {
// We're an observer until the document is loaded.
root->AddObserver(this);
resource_waiter_->set_root(root);
LoadIfNecessary();
}
void HTMLDocumentOOPIF::OnViewManagerDestroyed(
mojo::ViewManager* view_manager) {
delete this;
}
void HTMLDocumentOOPIF::OnViewViewportMetricsChanged(
mojo::View* view,
const mojo::ViewportMetrics& old_metrics,
const mojo::ViewportMetrics& new_metrics) {
LoadIfNecessary();
}
void HTMLDocumentOOPIF::OnViewDestroyed(View* view) {
resource_waiter_->root()->RemoveObserver(this);
resource_waiter_->set_root(nullptr);
}
bool HTMLDocumentOOPIF::ShouldNavigateLocallyInMainFrame() {
return devtools_agent_ && devtools_agent_->handling_page_navigate_request();
}
void HTMLDocumentOOPIF::OnFrameDidFinishLoad() {
did_finish_local_frame_load_ = true;
scoped_ptr<BeforeLoadCache> before_load_cache = before_load_cache_.Pass();
if (!before_load_cache)
return;
// Bind any pending AxProvider and TestHTMLViewer interface requests.
for (auto it : before_load_cache->ax_provider_requests) {
ax_providers_.insert(new AxProviderImpl(
frame_->frame_tree_manager()->GetWebView(), it->Pass()));
}
for (auto it : before_load_cache->test_interface_requests) {
CHECK(IsTestInterfaceEnabled());
test_html_viewers_.push_back(new TestHTMLViewerImpl(
frame_->web_frame()->toWebLocalFrame(), it->Pass()));
}
}
mojo::ApplicationImpl* HTMLDocumentOOPIF::GetApp() {
return html_document_app_;
}
void HTMLDocumentOOPIF::Create(mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<AxProvider> request) {
if (!did_finish_local_frame_load_) {
// Cache AxProvider interface requests until the document finishes loading.
auto cached_request = new mojo::InterfaceRequest<AxProvider>();
*cached_request = request.Pass();
GetBeforeLoadCache()->ax_provider_requests.insert(cached_request);
} else {
ax_providers_.insert(
new AxProviderImpl(frame_->web_view(), request.Pass()));
}
}
void HTMLDocumentOOPIF::Create(mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<TestHTMLViewer> request) {
CHECK(IsTestInterfaceEnabled());
if (!did_finish_local_frame_load_) {
auto cached_request = new mojo::InterfaceRequest<TestHTMLViewer>();
*cached_request = request.Pass();
GetBeforeLoadCache()->test_interface_requests.insert(cached_request);
} else {
test_html_viewers_.push_back(new TestHTMLViewerImpl(
frame_->web_frame()->toWebLocalFrame(), request.Pass()));
}
}
void HTMLDocumentOOPIF::Create(
mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<mandoline::FrameTreeClient> request) {
if (frame_) {
DVLOG(1) << "Request for FrameTreeClient after one already vended.";
return;
}
resource_waiter_->Bind(request.Pass());
}
} // namespace html_viewer
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