Store: Add first run disclaimer.

src/calibre/gui2/actions/store.py

@@ -10,6 +10,7 @@ from functools import partial
 
 from PyQt4.Qt import QMenu
 
+from calibre.gui2 import JSONConfig
 from calibre.gui2.actions import InterfaceAction
 
 class StoreAction(InterfaceAction):
@@ -18,6 +19,8 @@ class StoreAction(InterfaceAction):
     action_spec = (_('Get books'), 'store.png', None, None)
 
     def genesis(self):
+        self.config = JSONConfig('store_action')
+
         self.qaction.triggered.connect(self.search)
         self.store_menu = QMenu()
         self.load_menu()
@@ -31,9 +34,30 @@ class StoreAction(InterfaceAction):
         self.qaction.setMenu(self.store_menu)
 
     def search(self):
+        self.first_run_check()
         from calibre.gui2.store.search import SearchDialog
         sd = SearchDialog(self.gui.istores, self.gui)
         sd.exec_()
 
     def open_store(self, store_plugin):
+        self.first_run_check()
         store_plugin.open(self.gui)
+
+    def first_run_check(self):
+        if self.config.get('first_run', True):
+            self.config['first_run'] = False
+            from calibre.gui2 import info_dialog
+            info_dialog(self.gui, _('Get Books Disclaimer'),
+                _('<p>Calibre helps you find books to read by connecting you with outside stores. '
+                'The stores are a variety of big, independent, free, and public domain sources.</p>'
+                '<p>Using the integrated search you can easily find what store has the book you\'re '
+                'looking for. It will also give you a price, DRM status as well as a lot of '
+                'other useful information.</p>'
+                '<p>All transaction (paid or otherwise) are handled between you and the store. '
+                'Calibre is not part of this process and any issues related to a purchase need to '
+                'be directed to the actual store. Be sure to double check that any books you get '
+                'will work with you device. Double check for format and '
+                '<a href="http://en.wikipedia.org/wiki/Digital_rights_management">DRM</a> '
+                'restrictions.</p>'),
+                show=True, show_copy_button=False)
+