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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.
#ifndef COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_H_
#define COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_H_
#include <set>
#include "base/callback.h"
#include "base/macros.h"
#include "components/html_viewer/ax_provider_impl.h"
#include "components/html_viewer/touch_handler.h"
#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
#include "third_party/WebKit/public/web/WebFrameClient.h"
#include "third_party/WebKit/public/web/WebSandboxFlags.h"
#include "third_party/WebKit/public/web/WebViewClient.h"
#include "third_party/mojo/src/mojo/public/cpp/application/interface_factory.h"
#include "third_party/mojo/src/mojo/public/cpp/application/lazy_interface_ptr.h"
#include "third_party/mojo/src/mojo/public/cpp/application/service_provider_impl.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.h"
#include "third_party/mojo/src/mojo/public/interfaces/application/application.mojom.h"
#include "third_party/mojo_services/src/content_handler/public/interfaces/content_handler.mojom.h"
#include "third_party/mojo_services/src/navigation/public/interfaces/navigation.mojom.h"
#include "third_party/mojo_services/src/view_manager/public/cpp/view_manager_client_factory.h"
#include "third_party/mojo_services/src/view_manager/public/cpp/view_manager_delegate.h"
#include "third_party/mojo_services/src/view_manager/public/cpp/view_observer.h"
namespace base {
class MessageLoopProxy;
}
namespace media {
class CdmFactory;
class MediaPermission;
class WebEncryptedMediaClientImpl;
}
namespace mojo {
class ViewManager;
class View;
}
namespace html_viewer {
class AxProviderImpl;
class WebLayerTreeViewImpl;
class WebMediaPlayerFactory;
// A view for a single HTML document.
class HTMLDocument : public blink::WebViewClient,
public blink::WebFrameClient,
public mojo::ViewManagerDelegate,
public mojo::ViewObserver,
public mojo::InterfaceFactory<mojo::AxProvider> {
public:
// Load a new HTMLDocument with |response|.
//
// |services| should be used to implement a ServiceProvider which exposes
// services to the connecting application.
// Commonly, the connecting application is the ViewManager and it will
// request ViewManagerClient.
//
// |shell| is the Shell connection for this mojo::Application.
HTMLDocument(mojo::InterfaceRequest<mojo::ServiceProvider> services,
mojo::URLResponsePtr response,
mojo::Shell* shell,
scoped_refptr<base::MessageLoopProxy> compositor_thread,
WebMediaPlayerFactory* web_media_player_factory,
bool is_headless);
~HTMLDocument() override;
private:
// Updates the size and scale factor of the webview and related classes from
// |root_|.
void UpdateWebviewSizeFromViewSize();
// WebViewClient methods:
virtual blink::WebStorageNamespace* createSessionStorageNamespace();
// WebWidgetClient methods:
void initializeLayerTreeView() override;
blink::WebLayerTreeView* layerTreeView() override;
// WebFrameClient methods:
virtual blink::WebMediaPlayer* createMediaPlayer(
blink::WebLocalFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client);
virtual blink::WebMediaPlayer* createMediaPlayer(
blink::WebLocalFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client,
blink::WebContentDecryptionModule* initial_cdm);
virtual blink::WebFrame* createChildFrame(
blink::WebLocalFrame* parent,
const blink::WebString& frameName,
blink::WebSandboxFlags sandboxFlags);
virtual void frameDetached(blink::WebFrame*);
virtual blink::WebCookieJar* cookieJar(blink::WebLocalFrame* frame);
virtual blink::WebNavigationPolicy decidePolicyForNavigation(
blink::WebLocalFrame* frame,
blink::WebDataSource::ExtraData* data,
const blink::WebURLRequest& request,
blink::WebNavigationType nav_type,
blink::WebNavigationPolicy default_policy,
bool isRedirect);
virtual void didAddMessageToConsole(const blink::WebConsoleMessage& message,
const blink::WebString& source_name,
unsigned source_line,
const blink::WebString& stack_trace);
virtual void didFinishLoad(blink::WebLocalFrame* frame);
virtual void didNavigateWithinPage(blink::WebLocalFrame* frame,
const blink::WebHistoryItem& history_item,
blink::WebHistoryCommitType commit_type);
virtual blink::WebEncryptedMediaClient* encryptedMediaClient();
// ViewManagerDelegate methods:
void OnEmbed(mojo::View* root,
mojo::InterfaceRequest<mojo::ServiceProvider> services,
mojo::ServiceProviderPtr exposed_services) override;
void OnViewManagerDisconnected(mojo::ViewManager* view_manager) override;
// ViewObserver methods:
void OnViewBoundsChanged(mojo::View* view,
const mojo::Rect& old_bounds,
const mojo::Rect& new_bounds) override;
void OnViewDestroyed(mojo::View* view) override;
void OnViewInputEvent(mojo::View* view, const mojo::EventPtr& event) override;
// mojo::InterfaceFactory<mojo::AxProvider>
void Create(mojo::ApplicationConnection* connection,
mojo::InterfaceRequest<mojo::AxProvider> request) override;
void Load(mojo::URLResponsePtr response);
media::MediaPermission* GetMediaPermission();
media::CdmFactory* GetCdmFactory();
mojo::URLResponsePtr response_;
mojo::ServiceProviderImpl exported_services_;
mojo::ServiceProviderPtr embedder_service_provider_;
mojo::Shell* shell_;
mojo::LazyInterfacePtr<mojo::NavigatorHost> navigator_host_;
blink::WebView* web_view_;
mojo::View* root_;
mojo::ViewManagerClientFactory view_manager_client_factory_;
scoped_ptr<WebLayerTreeViewImpl> web_layer_tree_view_impl_;
scoped_refptr<base::MessageLoopProxy> compositor_thread_;
WebMediaPlayerFactory* web_media_player_factory_;
// EncryptedMediaClient attached to this frame; lazily initialized.
scoped_ptr<media::WebEncryptedMediaClientImpl> web_encrypted_media_client_;
scoped_ptr<media::MediaPermission> media_permission_;
scoped_ptr<media::CdmFactory> cdm_factory_;
// HTMLDocument owns these pointers; binding requests after document load.
std::set<mojo::InterfaceRequest<mojo::AxProvider>*> ax_provider_requests_;
std::set<AxProviderImpl*> ax_providers_;
// A flag set on didFinishLoad.
bool did_finish_load_ = false;
// Set if the content will never be displayed.
bool is_headless_;
scoped_ptr<TouchHandler> touch_handler_;
float device_pixel_ratio_;
DISALLOW_COPY_AND_ASSIGN(HTMLDocument);
};
} // namespace html_viewer
#endif // COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_H_
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