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// Copyright 2017 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 CHROMECAST_BROWSER_CAST_WEB_VIEW_H_
#define CHROMECAST_BROWSER_CAST_WEB_VIEW_H_
#include <memory>
#include <string>
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "chromecast/browser/cast_content_window.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
namespace content {
class BrowserContext;
class RenderViewHost;
class SiteInstance;
}
namespace chromecast {
class CastWebContentsManager;
class CastWindowManager;
// A simplified interface for loading and displaying WebContents in cast_shell.
class CastWebView : content::WebContentsObserver, content::WebContentsDelegate {
public:
class Delegate : public shell::CastContentWindow::Delegate {
public:
// Called when the page has stopped. ie: A 404 occured when loading the page
// or if the render process crashes. |error_code| will return a net::Error
// describing the failure, or net::OK if the page closed naturally.
virtual void OnPageStopped(int error_code) = 0;
// Called during WebContentsDelegate::LoadingStateChanged.
// |loading| indicates if web_contents_ IsLoading or not.
virtual void OnLoadingStateChanged(bool loading) = 0;
};
// |delegate| and |browser_context| should outlive the lifetime of this
// object.
CastWebView(Delegate* delegate,
CastWebContentsManager* web_contents_manager,
content::BrowserContext* browser_context,
scoped_refptr<content::SiteInstance> site_instance,
bool transparent,
bool allow_media_access,
bool is_headless,
bool enable_touch_input);
~CastWebView() override;
shell::CastContentWindow* window() const { return window_.get(); }
content::WebContents* web_contents() const { return web_contents_.get(); }
// Navigates to |url|. The loaded page will be preloaded if MakeVisible has
// not been called on the object.
void LoadUrl(GURL url);
// Begins the close process for this page (ie. triggering document.onunload).
// A consumer of the class can be notified when the process has been finished
// via Delegate::OnPageStopped(). The page will be torn down after
// |shutdown_delay| has elapsed, or sooner if required.
void ClosePage(const base::TimeDelta& shutdown_delay);
// Makes the page visible to the user.
void Show(CastWindowManager* window_manager);
private:
// WebContentsObserver implementation:
void RenderProcessGone(base::TerminationStatus status) override;
void RenderViewCreated(content::RenderViewHost* render_view_host) override;
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
void DidFailLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url,
int error_code,
const base::string16& error_description) override;
void DidFirstVisuallyNonEmptyPaint() override;
void DidStartNavigation(
content::NavigationHandle* navigation_handle) override;
void MediaStartedPlaying(const MediaPlayerInfo& media_info,
const MediaPlayerId& id) override;
void MediaStoppedPlaying(
const MediaPlayerInfo& media_info,
const MediaPlayerId& id,
WebContentsObserver::MediaStoppedReason reason) override;
// WebContentsDelegate implementation:
content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) override;
void CloseContents(content::WebContents* source) override;
void LoadingStateChanged(content::WebContents* source,
bool to_different_document) override;
void ActivateContents(content::WebContents* contents) override;
bool CheckMediaAccessPermission(content::WebContents* web_contents,
const GURL& security_origin,
content::MediaStreamType type) override;
void RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) override;
#if defined(OS_ANDROID)
base::android::ScopedJavaLocalRef<jobject> GetContentVideoViewEmbedder()
override;
#endif // defined(OS_ANDROID)
Delegate* const delegate_;
CastWebContentsManager* const web_contents_manager_;
content::BrowserContext* const browser_context_;
const scoped_refptr<content::SiteInstance> site_instance_;
const bool transparent_;
std::unique_ptr<content::WebContents> web_contents_;
std::unique_ptr<shell::CastContentWindow> window_;
bool did_start_navigation_;
base::TimeDelta shutdown_delay_;
bool allow_media_access_;
base::WeakPtrFactory<CastWebView> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(CastWebView);
};
} // namespace chromecast
#endif // CHROMECAST_BROWSER_CAST_WEB_VIEW_H_