Browser Plugin: New Implementation (Browser Side)

content/browser/browser_plugin/test_browser_plugin_guest.cc

+// Copyright (c) 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 "content/browser/browser_plugin/test_browser_plugin_guest.h"
+
+#include "base/test/test_timeouts.h"
+#include "content/browser/browser_plugin/browser_plugin_guest.h"
+#include "content/browser/renderer_host/render_view_host_impl.h"
+#include "content/browser/web_contents/web_contents_impl.h"
+#include "content/common/browser_plugin_messages.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/test/test_utils.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_sync_message.h"
+#include "ui/gfx/size.h"
+
+namespace content {
+
+class BrowserPluginGuest;
+
+TestBrowserPluginGuest::TestBrowserPluginGuest(
+    int instance_id,
+    WebContentsImpl* web_contents,
+    RenderViewHost* render_view_host)
+    : BrowserPluginGuest(instance_id, web_contents, render_view_host),
+      update_rect_count_(0),
+      crash_observed_(false),
+      focus_observed_(false),
+      advance_focus_observed_(false),
+      was_hidden_observed_(false),
+      waiting_for_update_rect_msg_with_size_(false),
+      last_update_rect_width_(-1),
+      last_update_rect_height_(-1) {
+  // Listen to visibility changes so that a test can wait for these changes.
+  registrar_.Add(this,
+                 NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
+                 Source<WebContents>(web_contents));
+}
+
+TestBrowserPluginGuest::~TestBrowserPluginGuest() {
+}
+
+void TestBrowserPluginGuest::Observe(int type,
+                                     const NotificationSource& source,
+                                     const NotificationDetails& details) {
+  switch (type) {
+    case NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED: {
+      bool visible = *Details<bool>(details).ptr();
+      if (!visible) {
+        was_hidden_observed_ = true;
+        if (was_hidden_message_loop_runner_)
+          was_hidden_message_loop_runner_->Quit();
+      }
+      break;
+    }
+    default:
+      NOTREACHED() << "Unexpected notification type: " << type;
+  }
+}
+
+void TestBrowserPluginGuest::SendMessageToEmbedder(IPC::Message* msg) {
+  if (msg->type() == BrowserPluginMsg_UpdateRect::ID) {
+    PickleIterator iter(*msg);
+
+    int instance_id;
+    int message_id;
+    BrowserPluginMsg_UpdateRect_Params update_rect_params;
+
+    if (!IPC::ReadParam(msg, &iter, &instance_id) ||
+        !IPC::ReadParam(msg, &iter, &message_id) ||
+        !IPC::ReadParam(msg, &iter, &update_rect_params)) {
+      NOTREACHED() <<
+          "Cannot read BrowserPluginMsg_UpdateRect params from ipc message";
+    }
+    last_update_rect_width_ = update_rect_params.view_size.width();
+    last_update_rect_height_ = update_rect_params.view_size.height();
+    update_rect_count_++;
+    if (waiting_for_update_rect_msg_with_size_ &&
+        expected_width_ == last_update_rect_width_ &&
+        expected_height_ == last_update_rect_height_) {
+      waiting_for_update_rect_msg_with_size_ = false;
+      if (send_message_loop_runner_)
+        send_message_loop_runner_->Quit();
+    } else if (!waiting_for_update_rect_msg_with_size_) {
+      if (send_message_loop_runner_)
+        send_message_loop_runner_->Quit();
+    }
+  }
+  BrowserPluginGuest::SendMessageToEmbedder(msg);
+}
+
+void TestBrowserPluginGuest::WaitForUpdateRectMsg() {
+  // Check if we already got any UpdateRect message.
+  if (update_rect_count_ > 0)
+    return;
+  send_message_loop_runner_ = new MessageLoopRunner();
+  send_message_loop_runner_->Run();
+}
+
+void TestBrowserPluginGuest::WaitForUpdateRectMsgWithSize(int width,
+                                                          int height) {
+  if (update_rect_count_ > 0 &&
+      last_update_rect_width_ == width &&
+      last_update_rect_height_ == height) {
+    // We already saw this message.
+    return;
+  }
+  waiting_for_update_rect_msg_with_size_ = true;
+  expected_width_ = width;
+  expected_height_ = height;
+
+  send_message_loop_runner_ = new MessageLoopRunner();
+  send_message_loop_runner_->Run();
+}
+
+void TestBrowserPluginGuest::RenderViewGone(base::TerminationStatus status) {
+  crash_observed_ = true;
+  LOG(INFO) << "Guest crashed";
+  if (crash_message_loop_runner_)
+    crash_message_loop_runner_->Quit();
+  BrowserPluginGuest::RenderViewGone(status);
+}
+
+void TestBrowserPluginGuest::WaitForCrashed() {
+  // Check if we already observed a guest crash, return immediately if so.
+  if (crash_observed_)
+    return;
+
+  crash_message_loop_runner_ = new MessageLoopRunner();
+  crash_message_loop_runner_->Run();
+}
+
+void TestBrowserPluginGuest::WaitForFocus() {
+  if (focus_observed_)
+    return;
+  focus_message_loop_runner_ = new MessageLoopRunner();
+  focus_message_loop_runner_->Run();
+}
+
+void TestBrowserPluginGuest::WaitForAdvanceFocus() {
+  if (advance_focus_observed_)
+    return;
+  advance_focus_message_loop_runner_ = new MessageLoopRunner();
+  advance_focus_message_loop_runner_->Run();
+}
+
+void TestBrowserPluginGuest::WaitUntilHidden() {
+  if (was_hidden_observed_) {
+    was_hidden_observed_ = false;
+    return;
+  }
+  was_hidden_message_loop_runner_ = new MessageLoopRunner();
+  was_hidden_message_loop_runner_->Run();
+  was_hidden_observed_ = false;
+}
+
+void TestBrowserPluginGuest::SetFocus(bool focused) {
+  focus_observed_ = true;
+  if (focus_message_loop_runner_)
+    focus_message_loop_runner_->Quit();
+  BrowserPluginGuest::SetFocus(focused);
+}
+
+bool TestBrowserPluginGuest::ViewTakeFocus(bool reverse) {
+  advance_focus_observed_ = true;
+  if (advance_focus_message_loop_runner_)
+    advance_focus_message_loop_runner_->Quit();
+  return BrowserPluginGuest::ViewTakeFocus(reverse);
+}
+
+}  // namespace content