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| 1 // Copyright (c) 2010 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_TAB_CONTENTS_WEB_NAVIGATION_OBSERVER_H_ | |
| 6 #define CHROME_BROWSER_TAB_CONTENTS_WEB_NAVIGATION_OBSERVER_H_ | |
| 7 | |
| 8 #include "chrome/browser/tab_contents/navigation_controller.h" | |
| 9 | |
| 10 struct ViewHostMsg_FrameNavigate_Params; | |
| 11 | |
| 12 // An observer API implemented by classes which are interested in various page | |
| 13 // load events from TabContents. | |
| 14 | |
| 15 // TODO(pink): Is it worth having a bitfield where certain clients can only | |
| 16 // register for certain events? Is the extra function call worth the added pain | |
| 17 // on the caller to build the bitfield? | |
| 18 | |
| 19 class WebNavigationObserver { | |
| 20 public: | |
| 21 // For removing PasswordManager deps... | |
| 22 | |
| 23 virtual void NavigateToPendingEntry() { } | |
| 24 | |
| 25 virtual void DidNavigateMainFramePostCommit( | |
| 26 const NavigationController::LoadCommittedDetails& details, | |
| 27 const ViewHostMsg_FrameNavigate_Params& params) { } | |
| 28 virtual void DidNavigateAnyFramePostCommit( | |
| 29 const NavigationController::LoadCommittedDetails& details, | |
| 30 const ViewHostMsg_FrameNavigate_Params& params) { } | |
| 31 | |
| 32 virtual void DidStartLoading() { } | |
| 33 virtual void DidStopLoading() { } | |
| 34 | |
| 35 // TODO(pinkerton): Not sure the best place for these. | |
|
Ben Goodger (Google)
2010/11/17 21:07:19
FYI, These should move to the opaque channel model
| |
| 36 virtual void PasswordFormsFound( | |
| 37 const std::vector<webkit_glue::PasswordForm>& forms) { } | |
| 38 virtual void PasswordFormsVisible( | |
| 39 const std::vector<webkit_glue::PasswordForm>& visible_forms) { } | |
| 40 | |
| 41 #if 0 | |
| 42 // For unifying with delegate... | |
| 43 | |
| 44 // Notifies the delegate that this contents is starting or is done loading | |
| 45 // some resource. The delegate should use this notification to represent | |
| 46 // loading feedback. See TabContents::is_loading() | |
| 47 virtual void LoadingStateChanged(TabContents* contents) { } | |
| 48 // Called to inform the delegate that the tab content's navigation state | |
| 49 // changed. The |changed_flags| indicates the parts of the navigation state | |
| 50 // that have been updated, and is any combination of the | |
| 51 // |TabContents::InvalidateTypes| bits. | |
| 52 virtual void NavigationStateChanged(const TabContents* source, | |
| 53 unsigned changed_flags) { } | |
| 54 #endif | |
| 55 }; | |
| 56 | |
| 57 #endif // CHROME_BROWSER_TAB_CONTENTS_WEB_NAVIGATION_OBSERVER_H_ | |
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