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_GLOBAL_ERROR_GLOBAL_ERROR_SERVICE_H_ 6 #define CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_SERVICE_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "components/keyed_service/core/keyed_service.h" 12 13 class GlobalError; 14 class Profile; 15 16 // This service manages a list of errors that are meant to be shown globally. 17 // If an error applies to an entire profile and not just to a tab then the 18 // error should be shown using this service. Examples of global errors are: 19 // - the previous session crashed for a given profile. 20 // - a sync error occurred 21 class GlobalErrorService : public KeyedService { 22 public: 23 // Type used to represent the list of currently active errors. 24 typedef std::vector<GlobalError*> GlobalErrorList; 25 26 // Constructs a GlobalErrorService object for the given profile. The profile 27 // maybe NULL for tests. 28 explicit GlobalErrorService(Profile* profile); 29 virtual ~GlobalErrorService(); 30 31 // Adds the given error to the list of global errors and displays it on 32 // browswer windows. If no browser windows are open then the error is 33 // displayed once a browser window is opened. This class takes ownership of 34 // the error. 35 void AddGlobalError(GlobalError* error); 36 37 // Hides the given error and removes it from the list of global errors. Caller 38 // then takes ownership of the error and is responsible for deleting it. 39 void RemoveGlobalError(GlobalError* error); 40 41 // Gets the error with the given command ID or NULL if no such error exists. 42 // This class maintains ownership of the returned error. 43 GlobalError* GetGlobalErrorByMenuItemCommandID(int command_id) const; 44 45 // Gets the highest severity error that has a wrench menu item. 46 // Returns NULL if no such error exists. 47 GlobalError* GetHighestSeverityGlobalErrorWithWrenchMenuItem() const; 48 49 // Gets the first error that has a bubble view which hasn't been shown yet. 50 // Returns NULL if no such error exists. 51 GlobalError* GetFirstGlobalErrorWithBubbleView() const; 52 53 // Gets all errors. 54 const GlobalErrorList& errors() { return errors_; } 55 56 // Post a notification that a global error has changed and that the error UI 57 // should update it self. Pass NULL for the given error to mean all error UIs 58 // should update. 59 void NotifyErrorsChanged(GlobalError* error); 60 61 private: 62 GlobalErrorList errors_; 63 Profile* profile_; 64 65 DISALLOW_COPY_AND_ASSIGN(GlobalErrorService); 66 }; 67 68 #endif // CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_SERVICE_H_ 69
