| // Copyright (c) 2012 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_INFOBARS_INFOBAR_SERVICE_H_ |
| #define CHROME_BROWSER_INFOBARS_INFOBAR_SERVICE_H_ |
| |
| #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" |
| |
| class InfoBar; |
| |
| // Provides access to creating, removing and enumerating info bars |
| // attached to a tab. |
| class InfoBarService : public content::WebContentsObserver, |
| public content::WebContentsUserData<InfoBarService> { |
| public: |
| // Changes whether infobars are enabled. The default is true. |
| void set_infobars_enabled(bool enabled) { infobars_enabled_ = enabled; } |
| |
| // Adds the specified |infobar|, which already owns a delegate. |
| // |
| // If infobars are disabled for this tab or the tab already has an infobar |
| // whose delegate returns true for |
| // InfoBarDelegate::EqualsDelegate(infobar->delegate()), |infobar| is deleted |
| // immediately without being added. |
| // |
| // Returns the infobar if it was successfully added. |
| virtual InfoBar* AddInfoBar(scoped_ptr<InfoBar> infobar); |
| |
| // Removes the specified |infobar|. This in turn may close immediately or |
| // animate closed; at the end the infobar will delete itself. |
| // |
| // If infobars are disabled for this tab, this will do nothing, on the |
| // assumption that the matching AddInfoBar() call will have already deleted |
| // the infobar (see above). |
| void RemoveInfoBar(InfoBar* infobar); |
| |
| // Replaces one infobar with another, without any animation in between. This |
| // will result in |old_infobar| being synchronously deleted. |
| // |
| // If infobars are disabled for this tab, |new_infobar| is deleted immediately |
| // without being added, and nothing else happens. |
| // |
| // Returns the new infobar if it was successfully added. |
| // |
| // NOTE: This does not perform any EqualsDelegate() checks like AddInfoBar(). |
| InfoBar* ReplaceInfoBar(InfoBar* old_infobar, |
| scoped_ptr<InfoBar> new_infobar); |
| |
| // Returns the number of infobars for this tab. |
| size_t infobar_count() const { return infobars_.size(); } |
| |
| // Returns the infobar at the given |index|. The InfoBarService retains |
| // ownership. |
| // |
| // Warning: Does not sanity check |index|. |
| InfoBar* infobar_at(size_t index) { return infobars_[index]; } |
| |
| // Retrieve the WebContents for the tab this service is associated with. |
| content::WebContents* web_contents() { |
| return content::WebContentsObserver::web_contents(); |
| } |
| |
| private: |
| friend class content::WebContentsUserData<InfoBarService>; |
| |
| // InfoBars associated with this InfoBarService. We own these pointers. |
| // However, this is not a ScopedVector, because we don't delete the infobars |
| // directly once they've been added to this; instead, when we're done with an |
| // infobar, we instruct it to delete itself and then orphan it. See |
| // RemoveInfoBarInternal(). |
| typedef std::vector<InfoBar*> InfoBars; |
| |
| explicit InfoBarService(content::WebContents* web_contents); |
| virtual ~InfoBarService(); |
| |
| // content::WebContentsObserver: |
| virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE; |
| virtual void NavigationEntryCommitted( |
| const content::LoadCommittedDetails& load_details) OVERRIDE; |
| virtual void WebContentsDestroyed( |
| content::WebContents* web_contents) OVERRIDE; |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| |
| void RemoveInfoBarInternal(InfoBar* infobar, bool animate); |
| void RemoveAllInfoBars(bool animate); |
| |
| // Message handlers. |
| void OnDidBlockDisplayingInsecureContent(); |
| void OnDidBlockRunningInsecureContent(); |
| |
| InfoBars infobars_; |
| bool infobars_enabled_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InfoBarService); |
| }; |
| |
| #endif // CHROME_BROWSER_INFOBARS_INFOBAR_SERVICE_H_ |