Index: chrome/browser/ui/web_applications/hosted_app_tab_helper.h |
diff --git a/chrome/browser/ui/web_applications/hosted_app_tab_helper.h b/chrome/browser/ui/web_applications/hosted_app_tab_helper.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..242c90b09fbe5694f8bb980c337434499d1fc4d1 |
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+++ b/chrome/browser/ui/web_applications/hosted_app_tab_helper.h |
@@ -0,0 +1,108 @@ |
+// Copyright 2013 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 CHROME_BROWSER_UI_WEB_APPLICATIONS_HOSTED_APP_TAB_HELPER_H_ |
+#define CHROME_BROWSER_UI_WEB_APPLICATIONS_HOSTED_APP_TAB_HELPER_H_ |
+ |
+#include <set> |
+#include <vector> |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "content/public/browser/web_contents_observer.h" |
+#include "content/public/browser/web_contents_user_data.h" |
+#include "ui/gfx/image/image_family.h" |
+ |
+class HostedAppTabHelperDelegate; |
+class SkBitmap; |
+struct WebApplicationInfo; |
+ |
+namespace content { |
+struct FaviconURL; |
+} |
+ |
+namespace gfx { |
+class Size; |
+} |
+ |
+// Per-tab class to help manage hosted app taskbar icons. |
benwells
2013/11/13 21:55:17
Nit: this does more than manage hosted app icons,
calamity
2013/11/15 04:25:50
Fixed comment. This will also be where we update t
|
+class HostedAppTabHelper |
+ : public content::WebContentsObserver, |
+ public content::WebContentsUserData<HostedAppTabHelper> { |
+ public: |
+ virtual ~HostedAppTabHelper(); |
+ |
+ // Creates a hosted app for |web_app_info| using the current tab's icons. |
+ void CreateHostedApp(const WebApplicationInfo& web_app_info); |
+ |
+ // Sets a delegate to notify on icon load. |fetch_icons_immediately| decides |
+ // whether icons are fetched as soon as a page loads, rather than when |
+ // CreateHostedApp() is called. |
+ void SetDelegate(HostedAppTabHelperDelegate* delegate, |
+ bool fetch_icons_immediately); |
+ |
+ const gfx::ImageFamily& image_family() { |
+ return image_family_; |
+ } |
+ |
+ size_t pending_requests() { return in_progress_requests_.size(); } |
tapted
2013/11/13 07:44:53
nit: can probably declare this function const
calamity
2013/11/15 04:25:50
Done.
|
+ |
+ // Icon download callback. |
+ void DidDownloadFavicon(int id, |
tapted
2013/11/13 07:44:53
nit: should this and the overrides be in private?
calamity
2013/11/15 04:25:50
They need to be public so the tests can use them t
|
+ int http_status_code, |
+ const GURL& image_url, |
+ const std::vector<SkBitmap>& bitmaps, |
+ const std::vector<gfx::Size>& original_bitmap_sizes); |
+ |
+ // content::WebContentsObserver overrides: |
+ virtual void DidNavigateMainFrame( |
+ const content::LoadCommittedDetails& details, |
+ const content::FrameNavigateParams& params) OVERRIDE; |
+ virtual void DidUpdateFaviconURL( |
+ int32 page_id, |
+ const std::vector<content::FaviconURL>& candidates) OVERRIDE; |
+ |
+ protected: |
+ // These are used for testing. |
+ |
+ explicit HostedAppTabHelper(content::WebContents* web_contents); |
benwells
2013/11/13 21:55:17
Nit - remove blank line above.
Nit - is 'they' all
calamity
2013/11/15 04:25:50
The tests switch out the definition of DownloadIma
|
+ |
+ // Downloads |url| and adds the download id to |in_progress_requests_|. |
+ virtual int DownloadImage(const GURL& url); |
+ |
+ private: |
+ friend class content::WebContentsUserData<HostedAppTabHelper>; |
+ |
+ // Fetches the icons in |favicon_url_candidates_|. Downloads are handled in |
+ // DidDownloadFavicon. |
+ void FetchIcons(); |
+ |
+ // Fetches icons for creating the hosted app from |favicon_url_candidates| and |
+ // |web_app_info_.icons|. FinishCreateHostedApp() is called on completion. |
+ void FetchIconsIfNecessaryForCreateHostedApp(); |
+ |
+ // Creates and installs the hosted app for |web_app_info_|. |
+ void FinishCreateHostedApp(); |
+ |
+ // Candidate favicon URLs for the current page. Repopulated each page load. |
+ scoped_ptr<std::set<GURL> > favicon_url_candidates_; |
+ |
+ // The current page's icons. Populated by FetchIcons() or CreateHostedApp(). |
+ gfx::ImageFamily image_family_; |
+ |
+ // Info of a web app to create a hosted app for. |
+ scoped_ptr<WebApplicationInfo> web_app_info_; |
+ |
+ // Request ids of in-progress requests. |
+ std::set<int> in_progress_requests_; |
+ |
+ // Whether we should fetch icons as soon as the |favicon_url_candidates_| are |
+ // updated. |
+ bool fetch_icons_immediately_; |
+ |
+ HostedAppTabHelperDelegate* delegate_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(HostedAppTabHelper); |
+}; |
+ |
+#endif // CHROME_BROWSER_UI_WEB_APPLICATIONS_HOSTED_APP_TAB_HELPER_H_ |