Show headers when pressing info button

[enigma2-curlytx.git] / src / CurlyTx.py

diff --git a/src/CurlyTx.py b/src/CurlyTx.py
index e37c32cd22184d1e43f5da8943860c2e10cffeec..b6df45dc53cbf67a71ea7c8d16707cb8e81aabd4 100644 (file)
--- a/src/CurlyTx.py
+++ b/src/CurlyTx.py
@@ -5,9 +5,11 @@ from Screens.HelpMenu import HelpableScreen
 from Screens.MessageBox import MessageBox
 from Components.Label import Label
 from Components.ScrollLabel import ScrollLabel
-from Components.ActionMap import NumberActionMap
+from Components.ActionMap import ActionMap
 from Components.Sources.StaticText import StaticText
 from twisted.web import client
+from twisted.web.client import _makeGetterFactory, HTTPClientFactory
+from enigma import gFont
 
 from . import config
 from Components.config import config
@@ -28,6 +30,9 @@ class CurlyTx(Screen,HelpableScreen):
 
     currentUrl = None
     currentPage = None
+    currentFontSize = 20
+    httpGetterFactory = None
+    showingHeaders = False
 
     def __init__(self, session, args = None):
         #self.skin = CurlyTx.skin
@@ -43,8 +48,8 @@ class CurlyTx(Screen,HelpableScreen):
         self["key_blue"]   = StaticText(_("Next"))
 
 
-        self["actions"] = NumberActionMap(
-            ["WizardActions", "ColorActions", "InputActions", "HelpActions"], {
+        self["actions"] = ActionMap(
+            ["WizardActions", "ColorActions", "InputActions", "InfobarEPGActions"], {
                 "ok":   self.close,
                 "back": self.close,
                 "up":   self.pageUp,
@@ -53,11 +58,15 @@ class CurlyTx(Screen,HelpableScreen):
                 "red":    self.showSettings,
                 "green":  self.reload,
                 "yellow": self.prevPage,
-                "blue":   self.nextPage
+                "blue":   self.nextPage,
+
+                "showEventInfo": self.showHeader
             }, -1)
 
         self.loadHelp()
+        self.loadButtons()
         self.loadUrl(config.plugins.CurlyTx.defaultPage.value)
+        self.onLayoutFinish.append(self.setTextFont)
 
     def loadHelp(self):
         self.helpList.append((
@@ -66,6 +75,9 @@ class CurlyTx(Screen,HelpableScreen):
         self.helpList.append((
                 self["actions"], "WizardActions",
                 [("down", _("Scroll page contents down"))]))
+        self.helpList.append((
+                self["actions"], "InfobarEPGActions",
+                [("showEventInfo", _("Show HTTP response headers"))]))
         self.helpList.append((
                 self["actions"], "ColorActions",
                 [("red", _("Show program settings"))]))
@@ -88,6 +100,21 @@ class CurlyTx(Screen,HelpableScreen):
                 self["actions"], "HelpActions",
                 [("displayHelp", _("Show this help screen"))]))
 
+    def loadButtons(self):
+        pageCount = len(config.plugins.CurlyTx.pages)
+        if pageCount == 0:
+            self["key_green"].setText("")
+            self["key_yellow"].setText("")
+            self["key_blue"].setText("")
+        elif pageCount == 1:
+            self["key_green"].setText(_("Reload"))
+            self["key_yellow"].setText("")
+            self["key_blue"].setText("")
+        else:
+            self["key_green"].setText(_("Reload"))
+            self["key_yellow"].setText(_("Prev"))
+            self["key_blue"].setText(_("Next"))
+
     def pageUp(self):
         self["text"].pageUp()
 
@@ -123,23 +150,35 @@ class CurlyTx(Screen,HelpableScreen):
             self.loadNoPage()
             return
 
+        cfg = config.plugins.CurlyTx
+        pageCount = len(cfg.pages)
         pageId = int(pageId)
-        if pageId > (len(config.plugins.CurlyTx.pages) - 1):
-            if len(config.plugins.CurlyTx.pages) == 0:
+        if pageId > (pageCount - 1):
+            if len(cfg.pages) == 0:
                 self.loadNoPage()
             else:
                 self["text"].setText("Invalid page " + pageId);
             return
 
-        url   = config.plugins.CurlyTx.pages[pageId].uri.value
-        title = config.plugins.CurlyTx.pages[pageId].title.value
+        url   = cfg.pages[pageId].uri.value
+        title = cfg.pages[pageId].title.value
+
+        if pageCount > 1:
+            title = "{0} [{1}/{2}]".format(title, pageId + 1, pageCount)
+
         self.currentPage = pageId
         self.currentUrl = url
+        self.currentFontSize = cfg.pages[pageId].fontSize.value
 
         self.setTitle(title)
+        self.setTextFont()
         self["text"].setText("Loading ...\n" + url);
 
-        client.getPage(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
+        self.getPageWebClient(url).addCallback(self.urlLoaded).addErrback(self.urlFailed, url)
+
+    def setTextFont(self):
+        if self["text"].long_text is not None:
+            self["text"].long_text.setFont(gFont("Console", self.currentFontSize))
 
     def urlLoaded(self, html):
         self["text"].setText(html)
@@ -153,14 +192,47 @@ class CurlyTx(Screen,HelpableScreen):
     def loadNoPage(self):
         self["text"].setText("Go and add a page in the settings");
 
+    def showHeader(self):
+        if self.showingHeaders:
+            self["text"].setText(self.pageContent)
+            self.pageContent    = None
+            self.showingHeaders = False
+        else:
+            headers = "HTTP response headers for\n" + self.currentUrl + "\n\n"
+            for (k, v) in self.httpGetterFactory.response_headers.items():
+                headers += k + ": " + ("\n" + k + ": ").join(v) + "\n"
+            self.pageContent = self["text"].getText()
+            self["text"].setText(headers)
+            self.showingHeaders = True
+
     def showSettings(self):
         from CurlyTxSettings import CurlyTxSettings
         self.session.openWithCallback(self.onSettingsChanged, CurlyTxSettings)
 
     def onSettingsChanged(self):
+        self.loadButtons()
         if len(config.plugins.CurlyTx.pages) == 0:
             self.currentPage = None
             self.loadUrl(self.currentPage)
         elif self.currentPage == None:
             self.currentPage = 0
             self.loadUrl(self.currentPage)
+
+
+    def getPageWebClient(self, url, contextFactory=None, *args, **kwargs):
+        """
+        Download a web page as a string.
+
+        COPY OF twisted.web.client.getPage to store the factory
+
+        Download a page. Return a deferred, which will callback with a
+        page (as a string) or errback with a description of the error.
+
+        See L{HTTPClientFactory} to see what extra arguments can be passed.
+        """
+        self.httpGetterFactory = _makeGetterFactory(
+            url,
+            HTTPClientFactory,
+            contextFactory=contextFactory,
+            *args, **kwargs)
+        return self.httpGetterFactory.deferred