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-rw-r--r--core/java/com/android/internal/os/DeviceKeyHandler.java26
-rwxr-xr-xcore/res/res/values/config.xml6
-rwxr-xr-xcore/res/res/values/symbols.xml4
-rw-r--r--services/core/java/com/android/server/policy/PhoneWindowManager.java57
4 files changed, 93 insertions, 0 deletions
diff --git a/core/java/com/android/internal/os/DeviceKeyHandler.java b/core/java/com/android/internal/os/DeviceKeyHandler.java
new file mode 100644
index 0000000..e7d103d
--- /dev/null
+++ b/core/java/com/android/internal/os/DeviceKeyHandler.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2012 The CyanogenMod 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.internal.os;
+
+import android.view.KeyEvent;
+
+public interface DeviceKeyHandler {
+
+ /**
+ * Invoked when an unknown key was detected by the system, letting the device handle
+ * this special keys prior to pass the key to the active app.
+ *
+ * @param event The key event to be handled
+ * @return If the event is consume
+ */
+ public boolean handleKeyEvent(KeyEvent event);
+}
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index e3e38c7..bc95f43 100755
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2091,6 +2091,12 @@
<bool name="config_networkSamplingWakesDevice">true</bool>
+ <!-- Path to the library that contains a device specific key handler -->
+ <string name="config_deviceKeyHandlerLib" translatable="false"></string>
+
+ <!-- Name of that key handler class -->
+ <string name="config_deviceKeyHandlerClass" translatable="false"></string>
+
<string-array translatable="false" name="config_cdma_home_system" />
<!--From SmsMessage-->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 138768e..0fe919d 100755
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2037,6 +2037,10 @@
<java-symbol type="layout" name="year_label_text_view" />
<java-symbol type="layout" name="date_picker_material" />
+ <!-- Config.xml entries -->
+ <java-symbol type="string" name="config_deviceKeyHandlerLib" />
+ <java-symbol type="string" name="config_deviceKeyHandlerClass" />
+
<java-symbol type="id" name="time_header" />
<java-symbol type="id" name="hours" />
<java-symbol type="id" name="minutes" />
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index cb8b41b..00e8c6f 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -31,6 +31,7 @@ import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
+import android.content.ContextWrapper;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
@@ -115,6 +116,8 @@ import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.AnimationUtils;
import com.android.internal.R;
+import com.android.internal.os.DeviceKeyHandler;
+import com.android.internal.policy.IKeyguardService;
import com.android.internal.statusbar.IStatusBarService;
import com.android.internal.util.ScreenShapeHelper;
import com.android.internal.widget.PointerLocationView;
@@ -122,6 +125,8 @@ import com.android.server.LocalServices;
import com.android.server.policy.keyguard.KeyguardServiceDelegate;
import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
+import dalvik.system.DexClassLoader;
+
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
@@ -129,6 +134,7 @@ import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
+import java.lang.reflect.Constructor;
import static android.view.WindowManager.LayoutParams.*;
import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
@@ -289,6 +295,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
/** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
+ private DeviceKeyHandler mDeviceKeyHandler;
+
/**
* Lock protecting internal state. Must not call out into window
* manager with lock held. (This lock will be acquired in places
@@ -1650,6 +1658,31 @@ public class PhoneWindowManager implements WindowManagerPolicy {
mWindowManagerInternal.registerAppTransitionListener(
mStatusBarController.getAppTransitionListener());
+
+ String deviceKeyHandlerLib = mContext.getResources().getString(
+ com.android.internal.R.string.config_deviceKeyHandlerLib);
+
+ String deviceKeyHandlerClass = mContext.getResources().getString(
+ com.android.internal.R.string.config_deviceKeyHandlerClass);
+
+ if (!deviceKeyHandlerLib.isEmpty() && !deviceKeyHandlerClass.isEmpty()) {
+ DexClassLoader loader = new DexClassLoader(deviceKeyHandlerLib,
+ new ContextWrapper(mContext).getCacheDir().getAbsolutePath(),
+ null,
+ ClassLoader.getSystemClassLoader());
+ try {
+ Class<?> klass = loader.loadClass(deviceKeyHandlerClass);
+ Constructor<?> constructor = klass.getConstructor(Context.class);
+ mDeviceKeyHandler = (DeviceKeyHandler) constructor.newInstance(
+ mContext);
+ if(DEBUG) Slog.d(TAG, "Device key handler loaded");
+ } catch (Exception e) {
+ Slog.w(TAG, "Could not instantiate device key handler "
+ + deviceKeyHandlerClass + " from class "
+ + deviceKeyHandlerLib, e);
+ }
+ }
+
}
private void updateKeyAssignments() {
@@ -3243,6 +3276,18 @@ public class PhoneWindowManager implements WindowManagerPolicy {
return -1;
}
+ // Specific device key handling
+ if (mDeviceKeyHandler != null) {
+ try {
+ // The device only should consume known keys.
+ if (mDeviceKeyHandler.handleKeyEvent(event)) {
+ return -1;
+ }
+ } catch (Exception e) {
+ Slog.w(TAG, "Could not dispatch event to device key handler", e);
+ }
+ }
+
// Reserve all the META modifier combos for system behavior
if ((metaState & KeyEvent.META_META_ON) != 0) {
return -1;
@@ -3274,6 +3319,18 @@ public class PhoneWindowManager implements WindowManagerPolicy {
final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
&& event.getRepeatCount() == 0;
+ // Specific device key handling
+ if (mDeviceKeyHandler != null) {
+ try {
+ // The device only should consume known keys.
+ if (mDeviceKeyHandler.handleKeyEvent(event)) {
+ return null;
+ }
+ } catch (Exception e) {
+ Slog.w(TAG, "Could not dispatch event to device key handler", e);
+ }
+ }
+
// Check for fallback actions specified by the key character map.
final FallbackAction fallbackAction;
if (initialDown) {
generated by cgit v1.1 at 2024-06-04 18:42:15 +0000