diff options
Diffstat (limited to 'device.h')
| -rw-r--r-- | device.h | 25 |
1 files changed, 15 insertions, 10 deletions
@@ -19,6 +19,7 @@ #include <stddef.h> +#include <memory> #include <string> #include <vector> @@ -51,11 +52,15 @@ class Device { explicit Device(RecoveryUI* ui) : ui_(ui) {} virtual ~Device() {} - // Called to obtain the UI object that should be used to display the recovery user interface for - // this device. You should not have called Init() on the UI object already, the caller will do - // that after this method returns. + // Returns a raw pointer to the RecoveryUI object. virtual RecoveryUI* GetUI() { - return ui_; + return ui_.get(); + } + + // Resets the UI object to the given UI. Used to override the default UI in case initialization + // failed, or we want a different UI for some reason. The device object will take the ownership. + virtual void ResetUI(RecoveryUI* ui) { + ui_.reset(ui); } // Called when recovery starts up (after the UI has been obtained and initialized and after the @@ -64,16 +69,15 @@ class Device { // Called from the main thread when recovery is at the main menu and waiting for input, and a key // is pressed. (Note that "at" the main menu does not necessarily mean the menu is visible; - // recovery will be at the main menu with it invisible after an unsuccessful operation [ie OTA - // package failure], or if recovery is started with no command.) + // recovery will be at the main menu with it invisible after an unsuccessful operation, such as + // failed to install an OTA package, or if recovery is started with no command.) // // 'key' is the code of the key just pressed. (You can call IsKeyPressed() on the RecoveryUI - // object you returned from GetUI if you want to find out if other keys are held down.) + // object you returned from GetUI() if you want to find out if other keys are held down.) // // 'visible' is true if the menu is visible. // // Returns one of the defined constants below in order to: - // // - move the menu highlight (kHighlight{Up,Down}: negative value) // - invoke the highlighted item (kInvokeItem: negative value) // - do nothing (kNoAction: negative value) @@ -81,7 +85,7 @@ class Device { virtual int HandleMenuKey(int key, bool visible); // Returns the list of menu items (a vector of strings). The menu_position passed to - // InvokeMenuItem will correspond to the indexes into this array. + // InvokeMenuItem() will correspond to the indexes into this array. virtual const std::vector<std::string>& GetMenuItems(); // Performs a recovery action selected from the menu. 'menu_position' will be the index of the @@ -106,7 +110,8 @@ class Device { } private: - RecoveryUI* ui_; + // The RecoveryUI object that should be used to display the user interface for this device. + std::unique_ptr<RecoveryUI> ui_; }; // The device-specific library must define this function (or the default one will be used, if there |