BrowserPlugin/WebView - Move plugin lifetime to DOM (Chromium-side)

content/browser/browser_plugin/browser_plugin_host_browsertest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/run_loop.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 476 matching lines @@
   const char kEmbedderURL[] = "/browser_plugin_embedder.html";
   StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
 
   // Hide the embedder.
   test_embedder()->web_contents()->WasHidden();
 
   // Make sure that hiding the embedder also hides the guest.
   test_guest()->WaitUntilHidden();
 }
 
+// Verifies that setting the src attribute prior to DOM attachment works, i.e.
+// that the BrowserPlugin is created without having a renderer.
+IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, PluginCreatedWithoutRenderer) {
+  const char kEmbedderURL[] = "/browser_plugin_embedder_late_attach.html";
+  const char kGuestTitle[] = "late attach";
+  StartBrowserPluginTest(
+      kEmbedderURL, GetHTMLForGuestWithTitle(kGuestTitle), true, std::string());
+
+  // Attach the browser plugin to the dom. We don't pass this to
+  // StartBrowserPluginTest since we want it to execute after the src parameter
+  // is set.
+  ExecuteSyncJSFunction(shell()->web_contents()->GetRenderViewHost(),
+                        "attachPlugin();");
+
+  // Verify attachment with src attribute intact.
+  EXPECT_FALSE(
+      IsAttributeNull(shell()->web_contents()->GetRenderViewHost(), "src"));
+
+  // Verify page loaded properly by checking title.
+  const string16 expected_title = ASCIIToUTF16(kGuestTitle);
+  EXPECT_EQ(expected_title, test_guest()->web_contents()->GetTitle());
+}
+
+// Verifies that browser-plugin state survives setting "display = none", i.e.
+// that the BrowserPlugin object is persisted.
+IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, PluginPersists) {
+  const char kEmbedderURL[] = "/browser_plugin_embedder.html";
+  StartBrowserPluginTest(kEmbedderURL, kHTMLForGuest, true, std::string());
+
+  const char kGuestTitle[] = "persisted";
+  const char kGuestTitleModified[] = "still persisted";
+
+  // Verify title is seen.
+  const string16 expected_title = ASCIIToUTF16(kGuestTitle);
+  {
+    content::TitleWatcher title_watcher(test_guest()->web_contents(),
+        expected_title);
+    ExecuteSyncJSFunction(
+        test_embedder()->web_contents()->GetRenderViewHost(),
+        base::StringPrintf("SetSrc('%s');",
+                           GetHTMLForGuestWithTitle(kGuestTitle).c_str()));
+    string16 actual_title = title_watcher.WaitAndGetTitle();
+    EXPECT_EQ(expected_title, actual_title);
+  }
+
+  // Set display none, verify title not seen.
+  ExecuteSyncJSFunction(
+      shell()->web_contents()->GetRenderViewHost(),
+      "document.getElementById('plugin').style.display = 'none'");
+
+  ExecuteSyncJSFunction(
+      test_guest()->web_contents()->GetRenderViewHost(),
+      base::StringPrintf("document.title = '%s'", kGuestTitleModified));
+
+  // Clear display none.
+  ExecuteSyncJSFunction(
+      shell()->web_contents()->GetRenderViewHost(),
+      "document.getElementById('plugin').style.display = 'block'");
+
+  // The guest title should have survived the display:none.
+  const string16 expected_title_modified = ASCIIToUTF16(kGuestTitleModified);
+  EXPECT_EQ(test_guest()->web_contents()->GetTitle(), expected_title_modified);
+}
+
 // Verifies that installing/uninstalling touch-event handlers in the guest
 // plugin correctly updates the touch-event handling state in the embedder.
 IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, AcceptTouchEvents) {
   const char kEmbedderURL[] = "/browser_plugin_embedder.html";
   StartBrowserPluginTest(
       kEmbedderURL, kHTMLForGuestTouchHandler, true, std::string());
 
   RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
       test_embedder()->web_contents()->GetRenderViewHost());
   // The embedder should not have any touch event handlers at this point.
@@ skipping 297 matching lines @@
   // Attempt a navigation to chrome-guest://abc123, which is a valid URL. But it
   // should be blocked because the scheme isn't web-safe or a pseudo-scheme.
   ExecuteSyncJSFunction(
       test_embedder()->web_contents()->GetRenderViewHost(),
       base::StringPrintf("SetSrc('%s://abc123');", kGuestScheme));
   EXPECT_TRUE(delegate->load_aborted());
   EXPECT_TRUE(delegate->load_aborted_url().is_valid());
 }
 
 }  // namespace content