Expose whether a frame is focused to the browser process

content/browser/frame_host/render_frame_host_impl_browsertest.cc

Index: content/browser/frame_host/render_frame_host_impl_browsertest.cc
diff --git a/content/browser/frame_host/render_frame_host_impl_browsertest.cc b/content/browser/frame_host/render_frame_host_impl_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b279c1de3cea05c587f1b3ccabbbc2d31712ec98
--- /dev/null
+++ b/content/browser/frame_host/render_frame_host_impl_browsertest.cc
@@ -0,0 +1,69 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.

[Charlie Reis, 2015/01/22 17:46:04]

2015

[mlamouri (slow - plz ping), 2015/01/22 18:09:40]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/content_browser_test.h"
+#include "content/public/test/content_browser_test_utils.h"
+#include "content/public/test/test_utils.h"
+#include "content/shell/browser/shell.h"
+
+namespace content {
+
+using RenderFrameHostImplBrowserTest = ContentBrowserTest;
+
+// Test that when creating a new window, the main frame is correctly focused.
+IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest, IsFocused_AtLoad) {
+  EXPECT_TRUE(
+      NavigateToURL(shell(), GetTestUrl("render_frame_host", "focus.html")));
+
+  // The main frame should be the focused frame according to WebContents.
+  WebContents* web_contents = shell()->web_contents();
+  EXPECT_EQ(web_contents->GetMainFrame(), web_contents->GetFocusedFrame());
+
+  // The WebContents' focused frame should be actually focused.
+  EXPECT_TRUE(web_contents->GetFocusedFrame()->IsFocused());
+}
+
+// Test that if the content changes the focused frame, it is correctly exposed.
+IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest, IsFocused_Change) {
+  EXPECT_TRUE(
+      NavigateToURL(shell(), GetTestUrl("render_frame_host", "focus.html")));
+
+  WebContents* web_contents = shell()->web_contents();
+
+  std::string frames[2] = { "frame1", "frame2" };
+  for (const std::string& frame : frames) {
+    ExecuteScriptAndGetValue(
+        web_contents->GetMainFrame(), "focus" + frame + "()");
+    EXPECT_NE(web_contents->GetMainFrame(), web_contents->GetFocusedFrame());
+
+    // The WebContents' focused frame should be actually focused.
+    EXPECT_TRUE(web_contents->GetFocusedFrame()->IsFocused());
+
+    EXPECT_EQ(frame, web_contents->GetFocusedFrame()->GetFrameName());
+  }
+}
+
+// Test that even if the frame is focused in the frame tree but its
+// RenderWidgetHost is not focused, it is not considered as focused.
+IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest, IsFocused_Widget) {
+  EXPECT_TRUE(
+      NavigateToURL(shell(), GetTestUrl("render_frame_host", "focus.html")));
+  WebContents* web_contents = shell()->web_contents();
+
+  // A second window is created and navigated. It takes the focus.
+  Shell* new_shell = CreateBrowser();
+  EXPECT_TRUE(
+      NavigateToURL(new_shell, GetTestUrl("render_frame_host", "focus.html")));
+  EXPECT_TRUE(new_shell->web_contents()->GetMainFrame()->IsFocused());
+
+  // The first opened window is no longer focused. The main frame is still the
+  // focused frame in the frame tree but as far as RFH is concerned, the frame
+  // is not focused.
+  EXPECT_EQ(web_contents->GetMainFrame(), web_contents->GetFocusedFrame());
+  EXPECT_FALSE(web_contents->GetMainFrame()->IsFocused());
+}
+
+}  // namespace content