diff options
Diffstat (limited to 'ui.h')
| -rw-r--r-- | ui.h | 38 |
1 files changed, 29 insertions, 9 deletions
@@ -21,6 +21,8 @@ #include <pthread.h> #include <time.h> +#include <string> + // Abstract class for controlling the user interface during recovery. class RecoveryUI { public: @@ -28,14 +30,13 @@ class RecoveryUI { virtual ~RecoveryUI() { } - // Initialize the object; called before anything else. - virtual void Init(); + // Initialize the object; called before anything else. UI texts will be + // initialized according to the given locale. Returns true on success. + virtual bool Init(const std::string& locale); + // Show a stage indicator. Call immediately after Init(). virtual void SetStage(int current, int max) = 0; - // After calling Init(), you can tell the UI what locale it is operating in. - virtual void SetLocale(const char* locale) = 0; - // Set the overall recovery state ("background image"). enum Icon { NONE, INSTALLING_UPDATE, ERASING, NO_COMMAND, ERROR }; virtual void SetBackground(Icon icon) = 0; @@ -122,10 +123,21 @@ class RecoveryUI { // statements will be displayed. virtual void EndMenu() = 0; -protected: + protected: void EnqueueKey(int key_code); -private: + // The locale that's used to show the rendered texts. + std::string locale_; + bool rtl_locale_; + + // The normal and dimmed brightness percentages (default: 50 and 25, which means 50% and 25% + // of the max_brightness). Because the absolute values may vary across devices. These two + // values can be configured via subclassing. Setting brightness_normal_ to 0 to disable + // screensaver. + unsigned int brightness_normal_; + unsigned int brightness_dimmed_; + + private: // Key event input queue pthread_mutex_t key_queue_mutex; pthread_cond_t key_queue_cond; @@ -153,8 +165,6 @@ private: pthread_t input_thread_; void OnKeyDetected(int key_code); - - static int InputCallback(int fd, uint32_t epevents, void* data); int OnInputEvent(int fd, uint32_t epevents); void ProcessKey(int key_code, int updown); @@ -162,6 +172,16 @@ private: static void* time_key_helper(void* cookie); void time_key(int key_code, int count); + + void SetLocale(const std::string&); + + enum class ScreensaverState { DISABLED, NORMAL, DIMMED, OFF }; + ScreensaverState screensaver_state_; + // The following two contain the absolute values computed from brightness_normal_ and + // brightness_dimmed_ respectively. + unsigned int brightness_normal_value_; + unsigned int brightness_dimmed_value_; + bool InitScreensaver(); }; #endif // RECOVERY_UI_H |