| // Copyright 2015 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 "headless/lib/browser/headless_web_contents_impl.h" |
| |
| #include "base/bind.h" |
| #include "base/json/json_writer.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/trace_event/trace_event.h" |
| #include "content/public/browser/devtools_agent_host.h" |
| #include "content/public/browser/navigation_handle.h" |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/render_widget_host_view.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/browser/web_contents_delegate.h" |
| #include "content/public/common/bindings_policy.h" |
| #include "content/public/renderer/render_frame.h" |
| #include "headless/lib/browser/headless_browser_context_impl.h" |
| #include "headless/lib/browser/headless_browser_impl.h" |
| #include "headless/lib/browser/headless_browser_main_parts.h" |
| #include "headless/lib/browser/headless_devtools_client_impl.h" |
| #include "services/shell/public/cpp/interface_registry.h" |
| #include "ui/aura/window.h" |
| |
| namespace headless { |
| |
| // static |
| HeadlessWebContentsImpl* HeadlessWebContentsImpl::From( |
| HeadlessWebContents* web_contents) { |
| // This downcast is safe because there is only one implementation of |
| // HeadlessWebContents. |
| return static_cast<HeadlessWebContentsImpl*>(web_contents); |
| } |
| |
| class WebContentsObserverAdapter : public content::WebContentsObserver { |
| public: |
| WebContentsObserverAdapter(content::WebContents* web_contents, |
| HeadlessWebContents::Observer* observer) |
| : content::WebContentsObserver(web_contents), observer_(observer) {} |
| |
| ~WebContentsObserverAdapter() override {} |
| |
| void RenderViewReady() override { |
| DCHECK(web_contents()->GetMainFrame()->IsRenderFrameLive()); |
| observer_->DevToolsTargetReady(); |
| } |
| |
| private: |
| HeadlessWebContents::Observer* observer_; // Not owned. |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsObserverAdapter); |
| }; |
| |
| class HeadlessWebContentsImpl::Delegate : public content::WebContentsDelegate { |
| public: |
| explicit Delegate(HeadlessBrowserImpl* browser) : browser_(browser) {} |
| |
| void WebContentsCreated(content::WebContents* source_contents, |
| int opener_render_frame_id, |
| const std::string& frame_name, |
| const GURL& target_url, |
| content::WebContents* new_contents) override { |
| browser_->RegisterWebContents( |
| HeadlessWebContentsImpl::CreateFromWebContents(new_contents, browser_)); |
| } |
| |
| private: |
| HeadlessBrowserImpl* browser_; // Not owned. |
| DISALLOW_COPY_AND_ASSIGN(Delegate); |
| }; |
| |
| // static |
| std::unique_ptr<HeadlessWebContentsImpl> HeadlessWebContentsImpl::Create( |
| HeadlessWebContents::Builder* builder, |
| aura::Window* parent_window, |
| HeadlessBrowserImpl* browser) { |
| content::BrowserContext* context = |
| HeadlessBrowserContextImpl::From(builder->browser_context_); |
| content::WebContents::CreateParams create_params(context, nullptr); |
| create_params.initial_size = builder->window_size_; |
| |
| std::unique_ptr<HeadlessWebContentsImpl> headless_web_contents = |
| base::WrapUnique(new HeadlessWebContentsImpl( |
| content::WebContents::Create(create_params), browser)); |
| |
| headless_web_contents->mojo_services_ = std::move(builder->mojo_services_); |
| headless_web_contents->InitializeScreen(parent_window, builder->window_size_); |
| if (!headless_web_contents->OpenURL(builder->initial_url_)) |
| return nullptr; |
| return headless_web_contents; |
| } |
| |
| // static |
| std::unique_ptr<HeadlessWebContentsImpl> |
| HeadlessWebContentsImpl::CreateFromWebContents( |
| content::WebContents* web_contents, |
| HeadlessBrowserImpl* browser) { |
| std::unique_ptr<HeadlessWebContentsImpl> headless_web_contents = |
| base::WrapUnique(new HeadlessWebContentsImpl(web_contents, browser)); |
| |
| return headless_web_contents; |
| } |
| |
| void HeadlessWebContentsImpl::InitializeScreen(aura::Window* parent_window, |
| const gfx::Size& initial_size) { |
| aura::Window* contents = web_contents_->GetNativeView(); |
| DCHECK(!parent_window->Contains(contents)); |
| parent_window->AddChild(contents); |
| contents->Show(); |
| |
| contents->SetBounds(gfx::Rect(initial_size)); |
| content::RenderWidgetHostView* host_view = |
| web_contents_->GetRenderWidgetHostView(); |
| if (host_view) |
| host_view->SetSize(initial_size); |
| } |
| |
| HeadlessWebContentsImpl::HeadlessWebContentsImpl( |
| content::WebContents* web_contents, |
| HeadlessBrowserImpl* browser) |
| : content::WebContentsObserver(web_contents), |
| web_contents_delegate_(new HeadlessWebContentsImpl::Delegate(browser)), |
| web_contents_(web_contents), |
| agent_host_(content::DevToolsAgentHost::GetOrCreateFor(web_contents)), |
| browser_(browser) { |
| web_contents_->SetDelegate(web_contents_delegate_.get()); |
| } |
| |
| HeadlessWebContentsImpl::~HeadlessWebContentsImpl() { |
| web_contents_->Close(); |
| } |
| |
| void HeadlessWebContentsImpl::RenderFrameCreated( |
| content::RenderFrameHost* render_frame_host) { |
| if (!mojo_services_.empty()) { |
| render_frame_host->GetRenderViewHost()->AllowBindings( |
| content::BINDINGS_POLICY_HEADLESS); |
| } |
| |
| shell::InterfaceRegistry* interface_registry = |
| render_frame_host->GetInterfaceRegistry(); |
| |
| for (const MojoService& service : mojo_services_) { |
| interface_registry->AddInterface(service.service_name, |
| service.service_factory, |
| browser_->BrowserMainThread()); |
| } |
| } |
| |
| bool HeadlessWebContentsImpl::OpenURL(const GURL& url) { |
| if (!url.is_valid()) |
| return false; |
| content::NavigationController::LoadURLParams params(url); |
| params.transition_type = ui::PageTransitionFromInt( |
| ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR); |
| web_contents_->GetController().LoadURLWithParams(params); |
| web_contents_->Focus(); |
| return true; |
| } |
| |
| void HeadlessWebContentsImpl::Close() { |
| browser_->DestroyWebContents(this); |
| } |
| |
| std::string HeadlessWebContentsImpl::GetDevtoolsAgentHostId() { |
| return agent_host_->GetId(); |
| } |
| |
| void HeadlessWebContentsImpl::AddObserver(Observer* observer) { |
| DCHECK(observer_map_.find(observer) == observer_map_.end()); |
| observer_map_[observer] = base::WrapUnique( |
| new WebContentsObserverAdapter(web_contents_.get(), observer)); |
| } |
| |
| void HeadlessWebContentsImpl::RemoveObserver(Observer* observer) { |
| ObserverMap::iterator it = observer_map_.find(observer); |
| DCHECK(it != observer_map_.end()); |
| observer_map_.erase(it); |
| } |
| |
| HeadlessDevToolsTarget* HeadlessWebContentsImpl::GetDevToolsTarget() { |
| return web_contents()->GetMainFrame()->IsRenderFrameLive() ? this : nullptr; |
| } |
| |
| void HeadlessWebContentsImpl::AttachClient(HeadlessDevToolsClient* client) { |
| HeadlessDevToolsClientImpl::From(client)->AttachToHost(agent_host_.get()); |
| } |
| |
| void HeadlessWebContentsImpl::DetachClient(HeadlessDevToolsClient* client) { |
| DCHECK(agent_host_); |
| HeadlessDevToolsClientImpl::From(client)->DetachFromHost(agent_host_.get()); |
| } |
| |
| content::WebContents* HeadlessWebContentsImpl::web_contents() const { |
| return web_contents_.get(); |
| } |
| |
| HeadlessWebContents::Builder::Builder(HeadlessBrowserImpl* browser) |
| : browser_(browser), |
| browser_context_( |
| browser->browser_main_parts()->default_browser_context()) {} |
| |
| HeadlessWebContents::Builder::~Builder() = default; |
| |
| HeadlessWebContents::Builder::Builder(Builder&&) = default; |
| |
| HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetInitialURL( |
| const GURL& initial_url) { |
| initial_url_ = initial_url; |
| return *this; |
| } |
| |
| HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetWindowSize( |
| const gfx::Size& size) { |
| window_size_ = size; |
| return *this; |
| } |
| |
| HeadlessWebContents::Builder& HeadlessWebContents::Builder::SetBrowserContext( |
| HeadlessBrowserContext* browser_context) { |
| browser_context_ = browser_context; |
| return *this; |
| } |
| |
| HeadlessWebContents::Builder& HeadlessWebContents::Builder::AddMojoService( |
| const std::string& service_name, |
| const base::Callback<void(mojo::ScopedMessagePipeHandle)>& |
| service_factory) { |
| mojo_services_.emplace_back(service_name, service_factory); |
| return *this; |
| } |
| |
| HeadlessWebContents* HeadlessWebContents::Builder::Build() { |
| return browser_->CreateWebContents(this); |
| } |
| |
| HeadlessWebContents::Builder::MojoService::MojoService() {} |
| |
| HeadlessWebContents::Builder::MojoService::MojoService( |
| const std::string& service_name, |
| const base::Callback<void(mojo::ScopedMessagePipeHandle)>& service_factory) |
| : service_name(service_name), service_factory(service_factory) {} |
| |
| HeadlessWebContents::Builder::MojoService::~MojoService() {} |
| |
| } // namespace headless |