Bug 899376: PageActions for helper apps. r=wesj

mobile/android/base/Makefile.in

@@ -668,6 +668,7 @@ RES_DRAWABLE_MDPI = \
   res/drawable-mdpi/icon_most_recent_empty.png \
   res/drawable-mdpi/icon_most_visited.png \
   res/drawable-mdpi/icon_most_visited_empty.png \
+  res/drawable-mdpi/icon_openinapp.png \
   res/drawable-mdpi/icon_pageaction.png \
   res/drawable-mdpi/icon_reading_list_empty.png \
   res/drawable-mdpi/progress_spinner.png \
@@ -780,6 +781,7 @@ RES_DRAWABLE_HDPI = \
   res/drawable-hdpi/icon_most_recent_empty.png \
   res/drawable-hdpi/icon_most_visited.png \
   res/drawable-hdpi/icon_most_visited_empty.png \
+  res/drawable-hdpi/icon_openinapp.png \
   res/drawable-hdpi/icon_pageaction.png \
   res/drawable-hdpi/icon_reading_list_empty.png \
   res/drawable-hdpi/tab_indicator_divider.9.png \
@@ -878,6 +880,7 @@ RES_DRAWABLE_XHDPI = \
   res/drawable-xhdpi/icon_most_recent_empty.png \
   res/drawable-xhdpi/icon_most_visited.png \
   res/drawable-xhdpi/icon_most_visited_empty.png \
+  res/drawable-xhdpi/icon_openinapp.png \
   res/drawable-xhdpi/icon_pageaction.png \
   res/drawable-xhdpi/icon_reading_list_empty.png \
   res/drawable-xhdpi/spinner_default.9.png \

mobile/android/chrome/content/HelperApps.js

@@ -69,6 +69,54 @@ var HelperApps =  {
     return found;
   },
 
+  updatePageAction: function setPageAction(uri) {
+    let apps = this.getAppsForUri(uri);
+    if (apps.length > 0)
+      this._setPageActionFor(uri, apps);
+    else
+      this._removePageAction();
+  },
+
+  _setPageActionFor: function setPageActionFor(uri, apps) {
+    this._pageActionUri = uri;
+
+    // If the pageaction is already added, simply update the URI to be launched when 'onclick' is triggered.
+    if (this._pageActionId != undefined)
+      return;
+
+    this._pageActionId = NativeWindow.pageactions.add({
+      title: Strings.browser.GetStringFromName("openInApp.pageAction"),
+      icon: "drawable://icon_openinapp",
+      clickCallback: function() {
+        if (apps.length == 1)
+          this._launchApp(apps[0], this._pageActionUri);
+        else
+          this.openUriInApp(this._pageActionUri);
+      }.bind(this)
+    });
+  },
+
+  _removePageAction: function removePageAction() {
+    if(!this._pageActionId)
+      return;
+
+    NativeWindow.pageactions.remove(this._pageActionId);
+    delete this._pageActionId;
+  },
+
+  _launchApp: function launchApp(appData, uri) {
+    let mimeType = ContentAreaUtils.getMIMETypeForURI(uri) || "";
+    let msg = {
+      type: "Intent:Open",
+      mime: mimeType,
+      action: "android.intent.action.VIEW",
+      url: uri.spec,
+      packageName: appData.packageName,
+      className: appData.activityName
+    };
+    sendMessageToJava(msg);
+  },
+
   openUriInApp: function openUriInApp(uri) {
     let mimeType = ContentAreaUtils.getMIMETypeForURI(uri) || "";
     let msg = {

mobile/android/chrome/content/browser.js

@@ -3540,6 +3540,9 @@ Tab.prototype = {
           this._linkifier.linkifyNumbers(this.browser.contentWindow.document);
         }
 
+        // Show page actions for helper apps.
+        HelperApps.updatePageAction(this.browser.currentURI);
+
         if (!Reader.isEnabledForParseOnLoad)
           return;
 

mobile/android/locales/en-US/chrome/browser.properties

@@ -288,3 +288,6 @@ getUserMedia.sharingCameraAndMicrophone.message2 = Camera and microphone are on
 #Reader mode
 readerMode.enter = Enter Reader Mode
 readerMode.exit = Exit Reader Mode
+
+#Open in App
+openInApp.pageAction = Open in App