Switched to only using HomeAndSettings NBGL use case

Also merged idle and settings source files

Author: apaillier-ledger

src/common_ui.h

@@ -13,7 +13,6 @@ void ui_display_public_key(const uint64_t *chain_id);
 void ui_sign_712_v0(void);
 void ui_confirm_selector(void);
 void ui_confirm_parameter(void);
-void app_quit(void);
 
 // EIP-191
 void ui_191_start(void);

src_nbgl/ui_settings.c renamed to src_nbgl/ui_home.c

@@ -1,13 +1,18 @@
 #include "common_ui.h"
 #include "ui_nbgl.h"
 #include "nbgl_use_case.h"
+#include "caller_api.h"
+#include "network.h"
 
 // settings info definition
 #define SETTING_INFO_NB 2
 
 // settings menu definition
 #define SETTING_CONTENTS_NB 1
 
+// Tagline format for plugins
+#define FORMAT_PLUGIN "This app enables clear\nsigning transactions for\nthe %s dApp."
+
 enum {
     DEBUG_TOKEN = FIRST_USER_TOKEN,
     NONCE_TOKEN,
@@ -31,52 +36,79 @@ enum {
     SETTINGS_SWITCHES_NB
 };
 
-static uint8_t initSettingPage;
-
 // settings definition
-static const char* const infoTypes[SETTING_INFO_NB] = {"Version", "Developer"};
-static const char* const infoContents[SETTING_INFO_NB] = {APPVERSION, "Ledger"};
+static const char *const infoTypes[SETTING_INFO_NB] = {"Version", "Developer"};
+static const char *const infoContents[SETTING_INFO_NB] = {APPVERSION, "Ledger"};
 
 static nbgl_contentInfoList_t infoList = {0};
 static nbgl_contentSwitch_t switches[SETTINGS_SWITCHES_NB] = {0};
 static nbgl_content_t contents[SETTING_CONTENTS_NB] = {0};
 static nbgl_genericContents_t settingContents = {0};
 
-static void controlsCallback(int token, uint8_t index, int page) {
-    UNUSED(index);
-    uint8_t value;
+// Buffer used all throughout the NBGL code
+char g_stax_shared_buffer[SHARED_BUFFER_SIZE] = {0};
 
-    initSettingPage = page;
+static void setting_toggle_callback(int token, uint8_t index, int page) {
+    UNUSED(index);
+    UNUSED(page);
+    bool value;
 
     switch (token) {
         case DEBUG_TOKEN:
-            value = (N_storage.contractDetails ? 0 : 1);
+            value = !N_storage.contractDetails;
             switches[DEBUG_ID].initState = (nbgl_state_t) value;
-            nvm_write((void*) &N_storage.contractDetails, (void*) &value, sizeof(uint8_t));
+            nvm_write((void *) &N_storage.contractDetails, (void *) &value, sizeof(uint8_t));
             break;
         case NONCE_TOKEN:
-            value = (N_storage.displayNonce ? 0 : 1);
+            value = !N_storage.displayNonce;
             switches[NONCE_ID].initState = (nbgl_state_t) value;
-            nvm_write((void*) &N_storage.displayNonce, (void*) &value, sizeof(uint8_t));
+            nvm_write((void *) &N_storage.displayNonce, (void *) &value, sizeof(uint8_t));
             break;
 #ifdef HAVE_EIP712_FULL_SUPPORT
         case EIP712_VERBOSE_TOKEN:
-            value = (N_storage.verbose_eip712 ? 0 : 1);
+            value = !N_storage.verbose_eip712;
             switches[EIP712_VERBOSE_ID].initState = (nbgl_state_t) value;
-            nvm_write((void*) &N_storage.verbose_eip712, (void*) &value, sizeof(uint8_t));
+            nvm_write((void *) &N_storage.verbose_eip712, (void *) &value, sizeof(uint8_t));
             break;
 #endif  // HAVE_EIP712_FULL_SUPPORT
 #ifdef HAVE_DOMAIN_NAME
         case DOMAIN_NAME_VERBOSE_TOKEN:
-            value = (N_storage.verbose_domain_name ? 0 : 1);
+            value = !N_storage.verbose_domain_name;
             switches[DOMAIN_NAME_VERBOSE_ID].initState = (nbgl_state_t) value;
-            nvm_write((void*) &N_storage.verbose_domain_name, (void*) &value, sizeof(uint8_t));
+            nvm_write((void *) &N_storage.verbose_domain_name, (void *) &value, sizeof(uint8_t));
             break;
 #endif  // HAVE_DOMAIN_NAME
     }
 }
 
-void ui_menu_settings(void) {
+static void app_quit(void) {
+    // exit app here
+    os_sched_exit(-1);
+}
+
+const nbgl_icon_details_t *get_app_icon(bool caller_icon) {
+    const nbgl_icon_details_t *icon = NULL;
+
+    if (caller_icon && caller_app) {
+        if (caller_app->icon) {
+            icon = caller_app->icon;
+        }
+    } else {
+        icon = &ICONGLYPH;
+    }
+    if (icon == NULL) {
+        PRINTF("%s(%s) returned NULL!\n", __func__, (caller_icon ? "true" : "false"));
+    }
+    return icon;
+}
+
+/**
+ * Prepare settings, app infos and call the HomeAndSettings use case
+ *
+ * @param[in] appname given app name
+ * @param[in] tagline given tagline (\ref NULL if default)
+ */
+static void prepare_and_display_home(const char *appname, const char *tagline) {
 #ifdef HAVE_DOMAIN_NAME
     switches[DOMAIN_NAME_VERBOSE_ID].initState =
         N_storage.verbose_domain_name ? ON_STATE : OFF_STATE;
@@ -109,7 +141,7 @@ void ui_menu_settings(void) {
     contents[0].type = SWITCHES_LIST;
     contents[0].content.switchesList.nbSwitches = SETTINGS_SWITCHES_NB;
     contents[0].content.switchesList.switches = switches;
-    contents[0].contentActionCallback = controlsCallback;
+    contents[0].contentActionCallback = setting_toggle_callback;
 
     settingContents.callbackCallNeeded = false;
     settingContents.contentsList = contents;
@@ -119,12 +151,35 @@ void ui_menu_settings(void) {
     infoList.infoTypes = infoTypes;
     infoList.infoContents = infoContents;
 
-    nbgl_useCaseHomeAndSettings(APPNAME,
+    nbgl_useCaseHomeAndSettings(appname,
                                 get_app_icon(true),
-                                NULL,
-                                initSettingPage,
+                                tagline,
+                                INIT_HOME_PAGE,
                                 &settingContents,
                                 &infoList,
                                 NULL,
                                 app_quit);
 }
+
+/**
+ * Go to home screen
+ *
+ * This function prepares the app name & tagline depending on how the application was called
+ */
+void ui_idle(void) {
+    const char *appname = NULL;
+    const char *tagline = NULL;
+
+    if (caller_app) {
+        appname = caller_app->name;
+
+        if (caller_app->type == CALLER_TYPE_PLUGIN) {
+            snprintf(g_stax_shared_buffer, sizeof(g_stax_shared_buffer), FORMAT_PLUGIN, appname);
+            tagline = g_stax_shared_buffer;
+        }
+    } else {  // Ethereum app
+        uint64_t mainnet_chain_id = ETHEREUM_MAINNET_CHAINID;
+        appname = get_network_name_from_chain_id(&mainnet_chain_id);
+    }
+    prepare_and_display_home(appname, tagline);
+}

src_nbgl/ui_idle.c

@@ -10,12 +10,8 @@ extern char g_stax_shared_buffer[SHARED_BUFFER_SIZE];
 
 extern nbgl_page_t* pageContext;
 
-void releaseContext(void);
-
 const nbgl_icon_details_t* get_app_icon(bool caller_icon);
 
 void ui_idle(void);
-void ui_menu_settings(void);
-void ui_menu_about(void);
 
 #endif  // _UI_NBGL_H_