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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_UI_CONSTRAINED_WINDOW_TAB_HELPER_H_ | |
| 6 #define CHROME_BROWSER_UI_CONSTRAINED_WINDOW_TAB_HELPER_H_ | |
| 7 | |
| 8 #include <deque> | |
| 9 | |
| 10 #include "content/public/browser/web_contents_observer.h" | |
| 11 #include "content/public/browser/web_contents_user_data.h" | |
| 12 | |
| 13 class ConstrainedWindow; | |
| 14 class ConstrainedWindowTabHelperDelegate; | |
| 15 | |
| 16 // Per-tab class to manage constrained windows. | |
| 17 class ConstrainedWindowTabHelper | |
| 18 : public content::WebContentsObserver, | |
| 19 public content::WebContentsUserData<ConstrainedWindowTabHelper> { | |
| 20 public: | |
| 21 virtual ~ConstrainedWindowTabHelper(); | |
| 22 | |
| 23 ConstrainedWindowTabHelperDelegate* delegate() const { return delegate_; } | |
| 24 void set_delegate(ConstrainedWindowTabHelperDelegate* d) { delegate_ = d; } | |
| 25 | |
| 26 // Adds the given window to the list of child windows. The window will notify | |
| 27 // via WillClose() when it is being destroyed. | |
| 28 void AddConstrainedDialog(ConstrainedWindow* window); | |
| 29 | |
| 30 // Closes all constrained windows. | |
| 31 void CloseConstrainedWindows(); | |
| 32 | |
| 33 // Called when a ConstrainedWindow we own is about to be closed. | |
| 34 void WillClose(ConstrainedWindow* window); | |
| 35 | |
| 36 // Blocks/unblocks interaction with renderer process. | |
| 37 void BlockTabContent(bool blocked); | |
| 38 | |
| 39 // Returns the number of constrained windows in this tab. | |
| 40 size_t constrained_window_count() { return child_windows_.size(); } | |
| 41 | |
| 42 typedef std::deque<ConstrainedWindow*> ConstrainedWindowList; | |
| 43 | |
| 44 // Return an iterator for the first constrained window in this web contents. | |
| 45 ConstrainedWindowList::iterator constrained_window_begin() { | |
| 46 return child_windows_.begin(); | |
| 47 } | |
| 48 | |
| 49 // Return an iterator for the last constrained window in this web contents. | |
| 50 ConstrainedWindowList::iterator constrained_window_end() { | |
| 51 return child_windows_.end(); | |
| 52 } | |
| 53 | |
| 54 private: | |
| 55 explicit ConstrainedWindowTabHelper(content::WebContents* web_contents); | |
| 56 friend class content::WebContentsUserData<ConstrainedWindowTabHelper>; | |
| 57 | |
| 58 // Overridden from content::WebContentsObserver: | |
| 59 virtual void DidNavigateMainFrame( | |
| 60 const content::LoadCommittedDetails& details, | |
| 61 const content::FrameNavigateParams& params) OVERRIDE; | |
| 62 virtual void DidGetIgnoredUIEvent() OVERRIDE; | |
| 63 virtual void WebContentsDestroyed(content::WebContents* tab) OVERRIDE; | |
| 64 | |
| 65 // Delegate for notifying our owner about stuff. Not owned by us. | |
| 66 ConstrainedWindowTabHelperDelegate* delegate_; | |
| 67 | |
| 68 // All active constrained windows. | |
| 69 ConstrainedWindowList child_windows_; | |
| 70 | |
| 71 DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowTabHelper); | |
| 72 }; | |
| 73 | |
| 74 #endif // CHROME_BROWSER_UI_CONSTRAINED_WINDOW_TAB_HELPER_H_ | |
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