Add video to each gesture preference screen.

- Refactor GesturePreference to a generic VideoPreference. - The old video_preference.xml is only for magnification video, so renamed. - And use VideoPreference in gesture setting pages. - Refactor common logic into GesturePreferenceController. Bug: 32637613 Test: RunSettingsRoboTests Change-Id: I58580b01a32873cb32c5dc5bf2ec021d5b1400cc
2016-11-09 11:35:10 -08:00
parent 0d38cea6c9
commit 33b0d91d74
31 changed files with 724 additions and 466 deletions
--- a/src/com/android/settings/gestures/GesturePreferenceController.java
+++ b/src/com/android/settings/gestures/GesturePreferenceController.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.gestures;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.support.v7.preference.TwoStatePreference;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.core.lifecycle.LifecycleObserver;
+import com.android.settings.core.lifecycle.events.OnStart;
+import com.android.settings.core.lifecycle.events.OnStop;
+import com.android.settings.widget.VideoPreference;
+
+public abstract class GesturePreferenceController extends PreferenceController
+        implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnStart, OnStop {
+
+    private VideoPreference mVideoPreference;
+
+    public GesturePreferenceController(Context context, Lifecycle lifecycle) {
+        super(context);
+        if (lifecycle != null) {
+            lifecycle.addObserver(this);
+        }
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        if (isAvailable()) {
+            mVideoPreference = (VideoPreference) screen.findPreference(getVideoPrefKey());
+        }
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        final boolean isEnabled = isSwitchPrefEnabled();
+        if (preference != null) {
+            if (preference instanceof TwoStatePreference) {
+                ((TwoStatePreference) preference).setChecked(isEnabled);
+            } else {
+                preference.setSummary(isEnabled
+                        ? R.string.gesture_setting_on
+                        : R.string.gesture_setting_off);
+            }
+        }
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        return false;
+    }
+
+    @Override
+    public void onStop() {
+        if (mVideoPreference != null) {
+            mVideoPreference.onViewInvisible();
+        }
+    }
+
+    @Override
+    public void onStart() {
+        if (mVideoPreference != null) {
+            mVideoPreference.onViewVisible();
+        }
+    }
+
+    protected abstract String getVideoPrefKey();
+
+    protected abstract boolean isSwitchPrefEnabled();
+}