Implement MediaMetadata artwork in content

content/browser/media/android/browser_media_session_manager_browsertest.cc

+// Copyright 2016 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/strings/utf_string_conversions.h"
+#include "content/browser/media/android/browser_media_session_manager.h"
+#include "content/browser/media/android/media_web_contents_observer_android.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/content_browser_test.h"
+#include "content/public/test/test_utils.h"
+#include "content/shell/browser/shell.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using ::testing::_;
+using ::testing::InSequence;
+
+namespace content {
+
+namespace {
+
+// Beware that the artwork is being sanitize-checked, thus might be removed if
+// it's invalid.
+const char SET_METADATA_SCRIPT1[] =
+    "var audio = document.createElement(\'audio\');"
+    "audio.session = new MediaSession();"
+    "audio.session.metadata = new MediaMetadata({"
+    "  title: 'title1', artist: 'artist1', album: 'album1',"
+    "  artwork: [{"
+    "    src: 'http://foo.com/bar.png', type: 'image/png', sizes: '128x128'"
+    "  }]"
+    "});";
+
+const char SET_METADATA_SCRIPT2[] =
+    "var audio = document.createElement(\'audio\');"
+    "audio.session = new MediaSession();"
+    "audio.session.metadata = new MediaMetadata({"
+    "  title: 'title2', artist: 'artist2', album: 'album2',"
+    "  artwork: [{"
+    "    src: 'http://foo.com/bar.jpg', type: 'image/jpeg', sizes: 'any'"

[dcheng, 2016/07/05 02:36:55]

Can we add an explicit test here for trying to load, say, a file: URL?

[Zhiqiang Zhang (Slow), 2016/07/05 15:30:30]

Done.

+    "  }]"
+    "});";
+
+}  // anonymous namespace
+
+class MockBrowserMediaSessionManager : public BrowserMediaSessionManager {
+ public:
+  explicit MockBrowserMediaSessionManager(RenderFrameHost* render_frame_host)
+      : BrowserMediaSessionManager(render_frame_host) {}
+
+  MOCK_METHOD2(OnActiveate, void(int session_id, int request_id));
+  MOCK_METHOD2(OnDeactiveate, void(int session_id, int request_id));
+  MOCK_METHOD2(OnSetMetadata, void(int session_id,
+                                   const MediaMetadata& metadata));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockBrowserMediaSessionManager);
+};
+
+class BrowserMediaSessionManagerBrowserTest : public ContentBrowserTest {
+ public:
+  BrowserMediaSessionManagerBrowserTest() = default;
+  ~BrowserMediaSessionManagerBrowserTest() override = default;
+
+ protected:
+  void SetUpOnMainThread() override {
+    ContentBrowserTest::SetUpOnMainThread();
+    web_contents_ = shell()->web_contents();
+    browser_media_session_manager_ =
+        new MockBrowserMediaSessionManager(web_contents_->GetMainFrame());
+    MediaWebContentsObserverAndroid::FromWebContents(web_contents_)
+        ->SetMediaSessionManagerForTest(
+            web_contents_->GetMainFrame(),
+            browser_media_session_manager_);
+    shell()->LoadURL(GURL("about:blank"));
+
+    ON_CALL(*browser_media_session_manager_, OnSetMetadata(_, _))
+        .WillByDefault(InvokeWithoutArgs[&](message_loop_runner_->Quit()));
+  }
+
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitchASCII(
+        switches::kEnableBlinkFeatures, "MediaSession");
+  }
+
+  WebContents* web_contents_;
+  MockBrowserMediaSessionManager* browser_media_session_manager_;
+  scoped_refptr<MessageLoopRunner> message_loop_runner_;
+};
+
+IN_PROC_BROWSER_TEST_F(BrowserMediaSessionManagerBrowserTest,
+                       TestMetadataPropagated) {
+  MediaMetadata expected;
+  expected.title = base::ASCIIToUTF16("title1");
+  expected.artist = base::ASCIIToUTF16("artist1");
+  expected.album = base::ASCIIToUTF16("album1");
+  MediaMetadata::Artwork artwork;
+  artwork.src = GURL("http://foo.com/bar.png");
+  artwork.type = base::NullableString16(base::ASCIIToUTF16("image/png"), false);
+  artwork.sizes.push_back(gfx::Size(128, 128));
+  expected.artwork.push_back(artwork);
+
+  message_loop_runner_ = new MessageLoopRunner();
+  EXPECT_CALL(*browser_media_session_manager_, OnSetMetadata(_, expected))
+      .Times(1);
+  ASSERT_TRUE(ExecuteScript(web_contents_->GetMainFrame(),
+                            SET_METADATA_SCRIPT1));
+  message_loop_runner_->Run();
+}
+
+IN_PROC_BROWSER_TEST_F(BrowserMediaSessionManagerBrowserTest,
+                       TestSetMetadataTwice) {
+  // Make expectations ordered.
+  InSequence s;
+
+  MediaMetadata expected;
+  expected.title = base::ASCIIToUTF16("title2");
+  expected.artist = base::ASCIIToUTF16("artist2");
+  expected.album = base::ASCIIToUTF16("album2");
+  MediaMetadata::Artwork artwork;
+  artwork.src = GURL("http://foo.com/bar.jpg");
+  artwork.type = base::NullableString16(
+      base::ASCIIToUTF16("image/jpeg"), false);
+  artwork.sizes.push_back(gfx::Size(0, 0));
+  expected.artwork.push_back(artwork);
+
+  // Set metadata for the first time.
+  message_loop_runner_ = new MessageLoopRunner();
+  EXPECT_CALL(*browser_media_session_manager_, OnSetMetadata(_, _))
+      .Times(1);
+  ASSERT_TRUE(ExecuteScript(web_contents_->GetMainFrame(),
+                            SET_METADATA_SCRIPT1));
+  message_loop_runner_->Run();
+
+  // Set metadata for the second time.
+  message_loop_runner_ = new MessageLoopRunner();
+  EXPECT_CALL(*browser_media_session_manager_, OnSetMetadata(_, expected))
+      .Times(1);
+  ASSERT_TRUE(ExecuteScript(web_contents_->GetMainFrame(),
+                            SET_METADATA_SCRIPT2));
+  message_loop_runner_->Run();
+}
+
+}  // namespace content