Index: content/browser/vibration/vibration_message_filter.cc |
diff --git a/content/browser/vibration/vibration_message_filter.cc b/content/browser/vibration/vibration_message_filter.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8e2b6c9e79d8502db282f5e3b1f45a4c212f65eb |
--- /dev/null |
+++ b/content/browser/vibration/vibration_message_filter.cc |
@@ -0,0 +1,82 @@ |
+// Copyright (c) 2013 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 "content/browser/vibration/vibration_message_filter.h" |
+ |
+#include <algorithm> |
+ |
+#include "base/safe_numerics.h" |
+#include "content/common/view_messages.h" |
+#include "third_party/WebKit/public/platform/WebVibration.h" |
+ |
+#if defined(OS_ANDROID) |
+#include "jni/VibrationMessageFilter_jni.h" |
+ |
+using base::android::AttachCurrentThread; |
+#endif |
+ |
+namespace content { |
+ |
+// Minimum duration of a vibration is 1 millisecond. |
+const int64 kMinimumVibrationDurationMs = 1; |
jam
2013/07/12 00:12:04
should this go with the max value in the webkit he
Michael van Ouwerkerk
2013/07/12 10:49:14
I think not for the moment, as we're using unsigne
|
+ |
+VibrationMessageFilter::VibrationMessageFilter() { |
+} |
+ |
+VibrationMessageFilter::~VibrationMessageFilter() { |
+#if defined(OS_ANDROID) |
+ DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
+ OnCancelVibration(); |
+#endif |
+} |
+ |
+#if defined(OS_ANDROID) |
+// static |
+bool VibrationMessageFilter::Register(JNIEnv* env) { |
+ return RegisterNativesImpl(env); |
+} |
+#endif |
+ |
+bool VibrationMessageFilter::OnMessageReceived( |
+ const IPC::Message& message, |
+ bool* message_was_ok) { |
+ bool handled = true; |
+#if defined(OS_ANDROID) |
+ IPC_BEGIN_MESSAGE_MAP_EX(VibrationMessageFilter, |
+ message, |
+ *message_was_ok) |
+ IPC_MESSAGE_HANDLER(ViewHostMsg_Vibrate, OnVibrate) |
+ IPC_MESSAGE_HANDLER(ViewHostMsg_CancelVibration, OnCancelVibration) |
+ IPC_MESSAGE_UNHANDLED(handled = false) |
+ IPC_END_MESSAGE_MAP_EX() |
+#endif |
+ return handled; |
+} |
+ |
+#if defined(OS_ANDROID) |
+void VibrationMessageFilter::OnVibrate(int64 milliseconds) { |
+ // Though the Blink implementation already sanitizes vibration times, don't |
+ // trust any values passed from the renderer. |
+ milliseconds = std::max(kMinimumVibrationDurationMs, |
+ std::min(milliseconds, |
+ base::checked_numeric_cast<int64>(WebKit::kVibrationDurationMax))); |
+ |
+ if (j_vibration_message_filter_.is_null()) { |
+ j_vibration_message_filter_.Reset( |
+ Java_VibrationMessageFilter_create( |
+ AttachCurrentThread(), |
+ base::android::GetApplicationContext())); |
+ } |
+ Java_VibrationMessageFilter_vibrate(AttachCurrentThread(), |
+ j_vibration_message_filter_.obj(), |
+ milliseconds); |
+} |
+ |
+void VibrationMessageFilter::OnCancelVibration() { |
+ Java_VibrationMessageFilter_cancelVibration(AttachCurrentThread(), |
+ j_vibration_message_filter_.obj()); |
+} |
+#endif |
+ |
+} // namespace content |