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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 ATHENA_CONTENT_PUBLIC_WEB_ACTIVITY_H_
#define ATHENA_CONTENT_PUBLIC_WEB_ACTIVITY_H_
#include <vector>
#include "athena/activity/public/activity.h"
#include "athena/activity/public/activity_view_model.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/gfx/image/image_skia.h"
class SkBitmap;
namespace content {
class BrowserContext;
class WebContents;
}
namespace gfx {
class Size;
}
namespace views {
class WebView;
class WidgetDelegate;
}
namespace athena {
class AthenaWebView;
class ContentProxy;
class WebActivity : public Activity,
public ActivityViewModel,
public content::WebContentsObserver {
public:
WebActivity(content::BrowserContext* context,
const base::string16& title,
const GURL& gurl);
WebActivity(AthenaWebView* web_view);
protected:
virtual ~WebActivity();
// Activity:
virtual athena::ActivityViewModel* GetActivityViewModel() OVERRIDE;
virtual void SetCurrentState(ActivityState state) OVERRIDE;
virtual ActivityState GetCurrentState() OVERRIDE;
virtual bool IsVisible() OVERRIDE;
virtual ActivityMediaState GetMediaState() OVERRIDE;
virtual aura::Window* GetWindow() OVERRIDE;
virtual content::WebContents* GetWebContents() OVERRIDE;
// ActivityViewModel:
virtual void Init() OVERRIDE;
virtual SkColor GetRepresentativeColor() const OVERRIDE;
virtual base::string16 GetTitle() const OVERRIDE;
virtual gfx::ImageSkia GetIcon() const OVERRIDE;
virtual bool UsesFrame() const OVERRIDE;
virtual views::View* GetContentsView() OVERRIDE;
virtual views::Widget* CreateWidget() OVERRIDE;
virtual gfx::ImageSkia GetOverviewModeImage() OVERRIDE;
virtual void PrepareContentsForOverview() OVERRIDE;
virtual void ResetContentsView() OVERRIDE;
// content::WebContentsObserver:
virtual void DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) OVERRIDE;
virtual void TitleWasSet(content::NavigationEntry* entry,
bool explicit_set) OVERRIDE;
virtual void DidUpdateFaviconURL(
const std::vector<content::FaviconURL>& candidates) OVERRIDE;
virtual void DidChangeThemeColor(SkColor theme_color) OVERRIDE;
private:
// Called when a favicon download initiated in DidUpdateFaviconURL()
// has completed.
void OnDidDownloadFavicon(
int id,
int http_status_code,
const GURL& url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& original_bitmap_sizes);
// Hiding the contet proxy and showing the real content instead.
void HideContentProxy();
// Showing a content proxy instead of the real content to save resoruces.
void ShowContentProxy();
// Reload the content if required, and start observing it.
void ReloadAndObserve();
content::BrowserContext* browser_context_;
const base::string16 title_;
gfx::ImageSkia icon_;
const GURL url_;
AthenaWebView* web_view_;
SkColor title_color_;
// The current state for this activity.
ActivityState current_state_;
// The content proxy.
scoped_ptr<ContentProxy> content_proxy_;
base::WeakPtrFactory<WebActivity> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(WebActivity);
};
} // namespace athena
#endif // ATHENA_CONTENT_WEB_ACTIVITY_H_
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