Speak a message when accessibility is on and the network state changes

R=stevenjb@chromium.org
BUG=chromium-os:21760
TEST=Change the network state with a11y turned on


Review URL: http://codereview.chromium.org/8503041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110069 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 50 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/accessibility_util.cc b/chrome/browser/chromeos/accessibility_util.cc
index 5ac954a..7670909 100644
--- a/chrome/browser/chromeos/accessibility_util.cc
+++ b/chrome/browser/chromeos/accessibility_util.cc
@@ -158,6 +158,15 @@ void Speak(const char* utterance) {
       params);
 }
 
+bool IsAccessibilityEnabled() {
+  if (!g_browser_process) {
+    return false;
+  }
+  PrefService* prefs = g_browser_process->local_state();
+  bool accessibility_enabled = prefs &&
+      prefs->GetBoolean(prefs::kAccessibilityEnabled);
+  return accessibility_enabled;
+}
 
 }  // namespace accessibility
 }  // namespace chromeos
diff --git a/chrome/browser/chromeos/accessibility_util.h b/chrome/browser/chromeos/accessibility_util.h
index b96635e..d9e3df9 100644
--- a/chrome/browser/chromeos/accessibility_util.h
+++ b/chrome/browser/chromeos/accessibility_util.h
@@ -24,6 +24,9 @@ void ToggleAccessibility(WebUI* login_web_ui);
 // Speaks the specified string.
 void Speak(const char* speak_str);
 
+// Returns true if Accessibility is enabled, or false if not.
+bool IsAccessibilityEnabled();
+
 }  // namespace accessibility
 }  // namespace chromeos
 
diff --git a/chrome/browser/chromeos/status/network_menu_icon.cc b/chrome/browser/chromeos/status/network_menu_icon.cc
index d6f1da0..207a1e5 100644
--- a/chrome/browser/chromeos/status/network_menu_icon.cc
+++ b/chrome/browser/chromeos/status/network_menu_icon.cc
@@ -8,6 +8,7 @@
 #include <cmath>
 
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/chromeos/accessibility_util.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
@@ -207,6 +208,14 @@ class NetworkIcon {
       }
     }
     bool dirty = bitmap_.empty();
+    bool speak = false;
+    if (accessibility::IsAccessibilityEnabled()) {
+      if ((Network::IsConnectedState(state_) && !network->connected()) ||
+          (Network::IsConnectingState(state_) && !network->connecting()) ||
+          (Network::IsDisconnectedState(state_) && !network->disconnected())) {
+        speak = true;
+      }
+    }
     if (state_ != network->state()) {
       state_ = network->state();
       dirty = true;
@@ -247,6 +256,35 @@ class NetworkIcon {
       UpdateIcon(network);
       GenerateBitmap();
     }
+    if (speak) {
+      std::string connection_string;
+      if (Network::IsConnectedState(state_)) {
+        switch (network->type()) {
+          case TYPE_ETHERNET:
+            connection_string = l10n_util::GetStringFUTF8(
+                IDS_STATUSBAR_NETWORK_CONNECTED_TOOLTIP,
+                l10n_util::GetStringUTF16(
+                    IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET));
+            break;
+          default:
+            connection_string = l10n_util::GetStringFUTF8(
+                IDS_STATUSBAR_NETWORK_CONNECTED_TOOLTIP,
+                UTF8ToUTF16(network->name()));
+            break;
+        }
+      } else if (Network::IsConnectingState(state_)) {
+        const Network* connecting_network = cros->connecting_network();
+        if (connecting_network && connecting_network->type() != TYPE_ETHERNET) {
+          connection_string = l10n_util::GetStringFUTF8(
+              IDS_STATUSBAR_NETWORK_CONNECTING_TOOLTIP,
+              UTF8ToUTF16(connecting_network->name()));
+        }
+      } else if (Network::IsDisconnectedState(state_)) {
+        connection_string = l10n_util::GetStringUTF8(
+            IDS_STATUSBAR_NETWORK_NO_NETWORK_TOOLTIP);
+      }
+      accessibility::Speak(connection_string.c_str());
+    }
   }
 
   // Sets up the base icon image.