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authorTao Bao <tbao@google.com>2017-06-24 07:47:03 +0200
committerTao Bao <tbao@google.com>2017-06-24 08:06:01 +0200
commit99b2d774751041a5cfb5a48ac93292bb92acef98 (patch)
treecf0e859e660be2b9f2a3384c65c67492728ae190 /ui.h
parentFormatting RecoveryUI related files. (diff)
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Diffstat (limited to '')
-rw-r--r--ui.h68
1 files changed, 30 insertions, 38 deletions
diff --git a/ui.h b/ui.h
index ef63e1d70..7eb04aec8 100644
--- a/ui.h
+++ b/ui.h
@@ -30,14 +30,14 @@ class RecoveryUI {
virtual ~RecoveryUI() {}
- // Initialize the object; called before anything else. UI texts will be
- // initialized according to the given locale. Returns true on success.
+ // Initializes 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().
+ // Shows a stage indicator. Called immediately after Init().
virtual void SetStage(int current, int max) = 0;
- // Set the overall recovery state ("background image").
+ // Sets the overall recovery state ("background image").
enum Icon { NONE, INSTALLING_UPDATE, ERASING, NO_COMMAND, ERROR };
virtual void SetBackground(Icon icon) = 0;
virtual void SetSystemUpdateText(bool security_update) = 0;
@@ -46,13 +46,13 @@ class RecoveryUI {
enum ProgressType { EMPTY, INDETERMINATE, DETERMINATE };
virtual void SetProgressType(ProgressType determinate) = 0;
- // Show a progress bar and define the scope of the next operation:
+ // Shows a progress bar and define the scope of the next operation:
// portion - fraction of the progress bar the next operation will use
// seconds - expected time interval (progress bar moves at this minimum rate)
virtual void ShowProgress(float portion, float seconds) = 0;
- // Set progress bar position (0.0 - 1.0 within the scope defined
- // by the last call to ShowProgress).
+ // Sets progress bar position (0.0 - 1.0 within the scope defined by the last call to
+ // ShowProgress).
virtual void SetProgress(float fraction) = 0;
// --- text log ---
@@ -63,9 +63,8 @@ class RecoveryUI {
virtual bool WasTextEverVisible() = 0;
- // Write a message to the on-screen log (shown if the user has
- // toggled on the text display). Print() will also dump the message
- // to stdout / log file, while PrintOnScreenOnly() not.
+ // Writes a message to the on-screen log (shown if the user has toggled on the text display).
+ // Print() will also dump the message to stdout / log file, while PrintOnScreenOnly() not.
virtual void Print(const char* fmt, ...) __printflike(2, 3) = 0;
virtual void PrintOnScreenOnly(const char* fmt, ...) __printflike(2, 3) = 0;
@@ -73,54 +72,48 @@ class RecoveryUI {
// --- key handling ---
- // Wait for a key and return it. May return -1 after timeout.
+ // Waits for a key and return it. May return -1 after timeout.
virtual int WaitKey();
virtual bool IsKeyPressed(int key);
virtual bool IsLongPress();
- // Returns true if you have the volume up/down and power trio typical
- // of phones and tablets, false otherwise.
+ // Returns true if you have the volume up/down and power trio typical of phones and tablets, false
+ // otherwise.
virtual bool HasThreeButtons();
- // Erase any queued-up keys.
+ // Erases any queued-up keys.
virtual void FlushKeys();
- // Called on each key press, even while operations are in progress.
- // Return value indicates whether an immediate operation should be
- // triggered (toggling the display, rebooting the device), or if
+ // Called on each key press, even while operations are in progress. Return value indicates whether
+ // an immediate operation should be triggered (toggling the display, rebooting the device), or if
// the key should be enqueued for use by the main thread.
enum KeyAction { ENQUEUE, TOGGLE, REBOOT, IGNORE };
virtual KeyAction CheckKey(int key, bool is_long_press);
- // Called when a key is held down long enough to have been a
- // long-press (but before the key is released). This means that
- // if the key is eventually registered (released without any other
- // keys being pressed in the meantime), CheckKey will be called with
- // 'is_long_press' true.
+ // Called when a key is held down long enough to have been a long-press (but before the key is
+ // released). This means that if the key is eventually registered (released without any other keys
+ // being pressed in the meantime), CheckKey will be called with 'is_long_press' true.
virtual void KeyLongPress(int key);
- // Normally in recovery there's a key sequence that triggers
- // immediate reboot of the device, regardless of what recovery is
- // doing (with the default CheckKey implementation, it's pressing
- // the power button 7 times in row). Call this to enable or
- // disable that feature. It is enabled by default.
+ // Normally in recovery there's a key sequence that triggers immediate reboot of the device,
+ // regardless of what recovery is doing (with the default CheckKey implementation, it's pressing
+ // the power button 7 times in row). Call this to enable or disable that feature. It is enabled by
+ // default.
virtual void SetEnableReboot(bool enabled);
// --- menu display ---
- // Display some header text followed by a menu of items, which appears
- // at the top of the screen (in place of any scrolling ui_print()
- // output, if necessary).
+ // Display some header text followed by a menu of items, which appears at the top of the screen
+ // (in place of any scrolling ui_print() output, if necessary).
virtual void StartMenu(const char* const* headers, const char* const* items,
int initial_selection) = 0;
- // Set the menu highlight to the given index, wrapping if necessary.
- // Returns the actual item selected.
+ // Sets the menu highlight to the given index, wrapping if necessary. Returns the actual item
+ // selected.
virtual int SelectMenu(int sel) = 0;
- // End menu mode, resetting the text overlay so that ui_print()
- // statements will be displayed.
+ // Ends menu mode, resetting the text overlay so that ui_print() statements will be displayed.
virtual void EndMenu() = 0;
protected:
@@ -130,10 +123,9 @@ class RecoveryUI {
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.
+ // 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_;