PepperPlatformAudioInputImpl: support audio input device selection.

BUG=None
TEST=ppapi/examples/audio_input


Review URL: http://codereview.chromium.org/9705056

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@128110 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 22 insertions, 5 deletions

diff --git a/ppapi/examples/audio_input/audio_input.cc b/ppapi/examples/audio_input/audio_input.cc
index 7aff669..7d156b7 100644
--- a/ppapi/examples/audio_input/audio_input.cc
+++ b/ppapi/examples/audio_input/audio_input.cc
@@ -114,6 +114,8 @@ class MyInstance : public pp::Instance {
         audio_input_ = pp::AudioInput_Dev();
       } else if (event == "Stop") {
         Stop();
+      } else if (event == "Start") {
+        Start();
       }
     } else if (message_data.is_number()) {
       int index = message_data.AsInt();
@@ -229,6 +231,16 @@ class MyInstance : public pp::Instance {
     }
   }
 
+  void Start() {
+    if (!audio_input_.is_null()) {
+      if (!audio_input_.StartCapture())
+        PostMessage(pp::Var("StartFailed"));
+    } else if (audio_input_0_1_ != 0) {
+      if (!audio_input_interface_0_1_->StartCapture(audio_input_0_1_))
+        PostMessage(pp::Var("StartFailed"));
+    }
+  }
+
   void EnumerateDevicesFinished(int32_t result) {
     static const char* const kDelimiter = "#__#";
 
diff --git a/ppapi/examples/audio_input/audio_input.html b/ppapi/examples/audio_input/audio_input.html
index a5256fa..34255f2 100644
--- a/ppapi/examples/audio_input/audio_input.html
+++ b/ppapi/examples/audio_input/audio_input.html
@@ -57,10 +57,7 @@
       available_devices.parentNode.removeChild(available_devices);
 
       var control_panel = document.getElementById('control_panel');
-      var link = document.createElement('a');
-      link.href = 'javascript:Stop();';
-      link.innerText = 'Stop';
-      control_panel.appendChild(link);
+      control_panel.style.display = 'block';
     }
 
     function Stop() {
@@ -68,6 +65,11 @@
       plugin.postMessage('Stop');
     }
 
+    function Start() {
+      var plugin = document.getElementById('plugin');
+      plugin.postMessage('Start');
+    }
+
     function Initialize() {
       var plugin = document.getElementById('plugin');
       plugin.addEventListener('message', HandleMessage, false);
@@ -93,7 +95,10 @@
           Default - use interface version 0.2 and NULL device ref</a></li>
     </ul>
   </div>
-  <div id="control_panel"></div>
+  <div id="control_panel" style="display:none">
+    <a href="javascript:Stop();">Stop</a>
+    <a href="javascript:Start();">Start</a>
+  </div>
   <div id="status"></div>
 </body>
 </html>