1 // Copyright 2020 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
6 
7 #include <memory>
8 
9 #include "build/build_config.h"
10 #include "chrome/browser/media/media_access_handler.h"
11 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
12 #include "testing/gmock/include/gmock/gmock.h"
13 #include "testing/gtest/include/gtest/gtest.h"
14 #include "third_party/blink/public/common/mediastream/media_stream_request.h"
15 
16 using testing::_;
17 
18 namespace {
19 
20 class MockMediaAccessHandler : public MediaAccessHandler {
21  public:
MockMediaAccessHandler(const blink::mojom::MediaStreamType supported_type)22   explicit MockMediaAccessHandler(
23       const blink::mojom::MediaStreamType supported_type)
24       : supported_type_(supported_type) {}
25 
SupportsStreamType(content::WebContents * web_contents,const blink::mojom::MediaStreamType type,const extensions::Extension * extension)26   bool SupportsStreamType(content::WebContents* web_contents,
27                           const blink::mojom::MediaStreamType type,
28                           const extensions::Extension* extension) override {
29     return supported_type_ == type;
30   }
31 
32   MOCK_METHOD4(CheckMediaAccessPermission,
33                bool(content::RenderFrameHost* render_frame_host,
34                     const GURL& security_origin,
35                     blink::mojom::MediaStreamType type,
36                     const extensions::Extension* extension));
37   MOCK_METHOD4(HandleRequest,
38                void(content::WebContents* web_contents,
39                     const content::MediaStreamRequest& request,
40                     content::MediaResponseCallback callback,
41                     const extensions::Extension* extension));
42   MOCK_METHOD4(UpdateVideoScreenCaptureStatus,
43                void(int render_process_id,
44                     int render_frame_id,
45                     int page_request_id,
46                     bool is_secure));
47 
48   const blink::mojom::MediaStreamType supported_type_;
49 };
50 
51 }  // namespace
52 
53 class MediaCaptureDevicesDispatcherTest
54     : public ChromeRenderViewHostTestHarness {
55  public:
56   MediaCaptureDevicesDispatcherTest() = default;
57   ~MediaCaptureDevicesDispatcherTest() override = default;
58 
SetUp()59   void SetUp() override {
60     ChromeRenderViewHostTestHarness::SetUp();
61     dispatcher_ = MediaCaptureDevicesDispatcher::GetInstance();
62   }
63 
media_access_handlers()64   std::vector<std::unique_ptr<MediaAccessHandler>>& media_access_handlers() {
65     return dispatcher_->media_access_handlers_;
66   }
67 
UpdateVideoScreenCaptureStatus(const blink::mojom::MediaStreamType type)68   void UpdateVideoScreenCaptureStatus(
69       const blink::mojom::MediaStreamType type) {
70     dispatcher_->UpdateVideoScreenCaptureStatus(0, 0, 0, type, false);
71   }
72 
73  protected:
74   MediaCaptureDevicesDispatcher* dispatcher_;
75 };
76 
TEST_F(MediaCaptureDevicesDispatcherTest,DISABLED_LoopsAllMediaAccessHandlers)77 TEST_F(MediaCaptureDevicesDispatcherTest,
78        DISABLED_LoopsAllMediaAccessHandlers) {
79   media_access_handlers().clear();
80 
81   // Add two handlers.
82   auto stream_type1 = blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE;
83   auto mock1 = std::make_unique<MockMediaAccessHandler>(stream_type1);
84   MockMediaAccessHandler* handler1 = mock1.get();
85   media_access_handlers().push_back(std::move(mock1));
86   auto stream_type2 = blink::mojom::MediaStreamType::GUM_DESKTOP_VIDEO_CAPTURE;
87   auto mock2 = std::make_unique<MockMediaAccessHandler>(stream_type2);
88   MockMediaAccessHandler* handler2 = mock2.get();
89   media_access_handlers().push_back(std::move(mock2));
90 
91   // Expect both to be called.
92   EXPECT_CALL(*handler1, UpdateVideoScreenCaptureStatus(_, _, _, _));
93   UpdateVideoScreenCaptureStatus(stream_type1);
94   EXPECT_CALL(*handler2, UpdateVideoScreenCaptureStatus(_, _, _, _));
95   UpdateVideoScreenCaptureStatus(stream_type2);
96 }
97