OverlayPanel Manager

chrome/android/javatests/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelManagerTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelManagerTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelManagerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelManagerTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..5fbbdc85cc59ae8358a893861977f126b0c88878
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/compositor/bottombar/OverlayPanelManagerTest.java
@@ -0,0 +1,188 @@
+// Copyright 2015 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.
+
+package org.chromium.chrome.browser.contextualsearch;
+
+import android.content.Context;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.test.util.Feature;
+import org.chromium.chrome.browser.compositor.bottombar.OverlayPanel;
+import org.chromium.chrome.browser.compositor.bottombar.OverlayPanel.StateChangeReason;
+import org.chromium.chrome.browser.compositor.bottombar.OverlayPanelContent;
+import org.chromium.chrome.browser.compositor.bottombar.OverlayPanelManager;
+import org.chromium.chrome.browser.compositor.bottombar.OverlayPanelManager.PanelPriority;
+import org.chromium.chrome.browser.compositor.layouts.LayoutUpdateHost;
+
+/**
+ * Class responsible for testing the OverlayPanelManager.
+ */
+public class OverlayPanelManagerTest extends InstrumentationTestCase {
+
+    // --------------------------------------------------------------------------------------------
+    // MockOverlayPanel
+    // --------------------------------------------------------------------------------------------
+
+    /**
+     * Mocks the ContextualSearchPanel, so it doesn't create ContentViewCore.
+     */
+    public static class MockOverlayPanel extends OverlayPanel {
+
+        private PanelPriority mPriority;
+        private boolean mCanBeSuppressed;
+
+        public MockOverlayPanel(Context context, LayoutUpdateHost updateHost,
+                OverlayPanelManager panelManager, PanelPriority priority,
+                boolean canBeSuppressed) {
+            super(context, updateHost, panelManager);
+            mPriority = priority;
+            mCanBeSuppressed = canBeSuppressed;
+        }
+
+        @Override
+        public OverlayPanelContent createNewOverlayPanelContent() {
+            return new MockOverlayPanelContent();
+        }
+
+        @Override
+        public PanelPriority getPriority() {
+            return mPriority;
+        }
+
+        @Override
+        public boolean canBeSuppressed() {
+            return mCanBeSuppressed;
+        }
+
+        @Override
+        public void closePanel(StateChangeReason reason, boolean animate) {
+            // Immediately call onClosed rather than wait for animation to finish.
+            onClosed(reason);
+        }
+
+        /**
+         * Override creation and destruction of the ContentViewCore as they rely on native methods.
+         */
+        private static class MockOverlayPanelContent extends OverlayPanelContent {
+            public MockOverlayPanelContent() {
+                super(null, null, null);
+            }
+
+            @Override
+            public void removeLastHistoryEntry(String url, long timeInMs) {}
+        }
+
+        @Override
+        protected float getPeekPromoHeight() {
+            // Android Views are not used in this test so we cannot get the actual height.
+            return 0.f;
+        }
+    }
+
+    // --------------------------------------------------------------------------------------------
+    // Test Suite
+    // --------------------------------------------------------------------------------------------
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testPanelRequestingShow() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel panel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.MEDIUM, false);
+
+        panel.requestPanelShow(StateChangeReason.UNKNOWN);
+
+        assertTrue(panelManager.getActivePanel() == panel);
+    }
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testPanelClosed() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel panel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.MEDIUM, false);
+
+        panel.requestPanelShow(StateChangeReason.UNKNOWN);
+        panel.closePanel(StateChangeReason.UNKNOWN, false);
+
+        assertTrue(panelManager.getActivePanel() == null);
+    }
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testHighPrioritySuppressingLowPriority() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel lowPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.LOW, false);
+        OverlayPanel highPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.HIGH, false);
+
+        lowPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+
+        assertTrue(panelManager.getActivePanel() == highPriorityPanel);
+    }
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testSuppressedPanelRestored() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel lowPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.LOW, true);
+        OverlayPanel highPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.HIGH, false);
+
+        lowPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.closePanel(StateChangeReason.UNKNOWN, false);
+
+        assertTrue(panelManager.getActivePanel() == lowPriorityPanel);
+    }
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testUnsuppressiblePanelNotRestored() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel lowPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.LOW, false);
+        OverlayPanel highPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.HIGH, false);
+
+        lowPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.closePanel(StateChangeReason.UNKNOWN, false);
+
+        assertTrue(panelManager.getActivePanel() == null);
+    }
+
+    @SmallTest
+    @Feature({"OverlayPanel"})
+    public void testSuppressedPanelClosedBeforeRestore() {
+        Context context = getInstrumentation().getTargetContext();
+
+        OverlayPanelManager panelManager = new OverlayPanelManager();
+        OverlayPanel lowPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.LOW, true);
+        OverlayPanel highPriorityPanel =
+                new MockOverlayPanel(context, null, panelManager, PanelPriority.HIGH, false);
+
+        lowPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        highPriorityPanel.requestPanelShow(StateChangeReason.UNKNOWN);
+        lowPriorityPanel.closePanel(StateChangeReason.UNKNOWN, false);
+        highPriorityPanel.closePanel(StateChangeReason.UNKNOWN, false);
+
+        assertTrue(panelManager.getActivePanel() == null);
+    }
+}