Do not allow the plugin to show or hide the keyboard unless it has focus.

3 files changed, 22 insertions, 7 deletions

diff --git a/WebKit/android/plugins/ANPWindowInterface.cpp b/WebKit/android/plugins/ANPWindowInterface.cpp
index 06afab1..bb7b9a3 100644
--- a/WebKit/android/plugins/ANPWindowInterface.cpp
+++ b/WebKit/android/plugins/ANPWindowInterface.cpp
@@ -49,7 +49,8 @@ static void anp_clearVisibleRects(NPP instance) {
 static void anp_showKeyboard(NPP instance, bool value) {
     PluginView* pluginView = pluginViewForInstance(instance);
     PluginWidgetAndroid* pluginWidget = pluginView->platformPluginWidget();
-    pluginWidget->webViewCore()->requestKeyboard(value, false);
+    if(pluginWidget->hasFocus())
+        pluginWidget->webViewCore()->requestKeyboard(value, false);
 }
 
 static void anp_requestFullScreen(NPP instance) {
diff --git a/WebKit/android/plugins/PluginWidgetAndroid.cpp b/WebKit/android/plugins/PluginWidgetAndroid.cpp
index 8bbe531..00f7165 100644
--- a/WebKit/android/plugins/PluginWidgetAndroid.cpp
+++ b/WebKit/android/plugins/PluginWidgetAndroid.cpp
@@ -229,12 +229,11 @@ int16 PluginWidgetAndroid::sendEvent(const ANPEvent& evt) {
     // "missing" plugins won't have these
     if (pkg && instance) {
 
-        // keep track of whether or not the plugin currently has focus
-        if (evt.eventType == kLifecycle_ANPEventType) {
-           if (evt.data.lifecycle.action == kLoseFocus_ANPLifecycleAction)
-               m_hasFocus = false;
-           else if (evt.data.lifecycle.action == kGainFocus_ANPLifecycleAction)
-               m_hasFocus = true;
+        // if the plugin is gaining focus then update our state now to allow
+        // the plugin's event handler to perform actions that require focus
+        if (evt.eventType == kLifecycle_ANPEventType &&
+                evt.data.lifecycle.action == kGainFocus_ANPLifecycleAction) {
+            m_hasFocus = true;
         }
 
         // make a localCopy since the actual plugin may not respect its constness,
@@ -242,6 +241,15 @@ int16 PluginWidgetAndroid::sendEvent(const ANPEvent& evt) {
         ANPEvent localCopy = evt;
         int16 result = pkg->pluginFuncs()->event(instance, &localCopy);
         PLUGIN_LOG_EVENT(instance, &evt, result);
+
+        // if the plugin is losing focus then delay the update of our state
+        // until after we notify the plugin and allow them to perform actions
+        // that may require focus
+        if (evt.eventType == kLifecycle_ANPEventType &&
+                evt.data.lifecycle.action == kLoseFocus_ANPLifecycleAction) {
+            m_hasFocus = false;
+        }
+
         return result;
     }
     return 0;
diff --git a/WebKit/android/plugins/PluginWidgetAndroid.h b/WebKit/android/plugins/PluginWidgetAndroid.h
index b723995..1245d0c 100644
--- a/WebKit/android/plugins/PluginWidgetAndroid.h
+++ b/WebKit/android/plugins/PluginWidgetAndroid.h
@@ -134,6 +134,12 @@ struct PluginWidgetAndroid {
 
     bool inFullScreen() { return m_isFullScreen; }
 
+    /** Called to check if a plugin currently has document focus, which is
+        required for certain operations (e.g. show/hide keyboard). It returns
+        true if the plugin currently has focus and false otherwise.
+     */
+    bool hasFocus() const { return m_hasFocus; }
+
 private:
     void computeVisiblePluginRect();
     void scrollToVisiblePluginRect();