Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 275 insertions, 0 deletions

diff --git a/widget/android/AndroidBridge.h b/widget/android/AndroidBridge.h
new file mode 100644
index 0000000000..f2070ef31a
--- /dev/null
+++ b/widget/android/AndroidBridge.h
@@ -0,0 +1,275 @@
+/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef AndroidBridge_h__
+#define AndroidBridge_h__
+
+#include <unistd.h>  // for gettid
+
+#include "nsCOMPtr.h"
+
+#include "mozilla/jni/Refs.h"
+
+#include "nsIMutableArray.h"
+#include "nsIMIMEInfo.h"
+
+#include "nsIAndroidBridge.h"
+
+#include "mozilla/jni/Utils.h"
+#include "nsTHashMap.h"
+
+// Some debug #defines
+// #define DEBUG_ANDROID_EVENTS
+// #define DEBUG_ANDROID_WIDGET
+
+namespace mozilla {
+
+class AutoLocalJNIFrame;
+
+namespace hal {
+class BatteryInformation;
+class NetworkInformation;
+enum class ScreenOrientation : uint32_t;
+}  // namespace hal
+
+class AndroidBridge final {
+ public:
+  static bool IsJavaUiThread() {
+    return mozilla::jni::GetUIThreadId() == gettid();
+  }
+
+  static void ConstructBridge();
+  static void DeconstructBridge();
+
+  static AndroidBridge* Bridge() { return sBridge; }
+
+  bool GetHandlersForURL(const nsAString& aURL,
+                         nsIMutableArray* handlersArray = nullptr,
+                         nsIHandlerApp** aDefaultApp = nullptr,
+                         const nsAString& aAction = u""_ns);
+
+  bool GetHandlersForMimeType(const nsAString& aMimeType,
+                              nsIMutableArray* handlersArray = nullptr,
+                              nsIHandlerApp** aDefaultApp = nullptr,
+                              const nsAString& aAction = u""_ns);
+
+  void GetMimeTypeFromExtensions(const nsACString& aFileExt,
+                                 nsCString& aMimeType);
+  void GetExtensionFromMimeType(const nsACString& aMimeType,
+                                nsACString& aFileExt);
+
+  void Vibrate(const nsTArray<uint32_t>& aPattern);
+
+  void GetIconForExtension(const nsACString& aFileExt, uint32_t aIconSize,
+                           uint8_t* const aBuf);
+
+  // Returns a global reference to the Context for Fennec's Activity. The
+  // caller is responsible for ensuring this doesn't leak by calling
+  // DeleteGlobalRef() when the context is no longer needed.
+  jobject GetGlobalContextRef(void);
+
+  void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
+
+  void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
+
+  hal::ScreenOrientation GetScreenOrientation();
+  uint16_t GetScreenAngle();
+
+  nsresult GetProxyForURI(const nsACString& aSpec, const nsACString& aScheme,
+                          const nsACString& aHost, const int32_t aPort,
+                          nsACString& aResult);
+
+  bool PumpMessageLoop();
+
+  // Utility methods.
+  static jfieldID GetFieldID(JNIEnv* env, jclass jClass, const char* fieldName,
+                             const char* fieldType);
+  static jfieldID GetStaticFieldID(JNIEnv* env, jclass jClass,
+                                   const char* fieldName,
+                                   const char* fieldType);
+  static jmethodID GetMethodID(JNIEnv* env, jclass jClass,
+                               const char* methodName, const char* methodType);
+  static jmethodID GetStaticMethodID(JNIEnv* env, jclass jClass,
+                                     const char* methodName,
+                                     const char* methodType);
+
+  static jni::Object::LocalRef ChannelCreate(jni::Object::Param);
+
+  static void InputStreamClose(jni::Object::Param obj);
+  static uint32_t InputStreamAvailable(jni::Object::Param obj);
+  static nsresult InputStreamRead(jni::Object::Param obj, char* aBuf,
+                                  uint32_t aCount, uint32_t* aRead);
+
+ protected:
+  static nsTHashMap<nsStringHashKey, nsString> sStoragePaths;
+
+  static AndroidBridge* sBridge;
+
+  AndroidBridge();
+  ~AndroidBridge();
+
+  jni::Object::GlobalRef mMessageQueue;
+  jfieldID mMessageQueueMessages;
+  jmethodID mMessageQueueNext;
+};
+
+class AutoJNIClass {
+ private:
+  JNIEnv* const mEnv;
+  const jclass mClass;
+
+ public:
+  AutoJNIClass(JNIEnv* jEnv, const char* name)
+      : mEnv(jEnv), mClass(jni::GetClassRef(jEnv, name)) {}
+
+  ~AutoJNIClass() { mEnv->DeleteLocalRef(mClass); }
+
+  jclass getRawRef() const { return mClass; }
+
+  jclass getGlobalRef() const {
+    return static_cast<jclass>(mEnv->NewGlobalRef(mClass));
+  }
+
+  jfieldID getField(const char* name, const char* type) const {
+    return AndroidBridge::GetFieldID(mEnv, mClass, name, type);
+  }
+
+  jfieldID getStaticField(const char* name, const char* type) const {
+    return AndroidBridge::GetStaticFieldID(mEnv, mClass, name, type);
+  }
+
+  jmethodID getMethod(const char* name, const char* type) const {
+    return AndroidBridge::GetMethodID(mEnv, mClass, name, type);
+  }
+
+  jmethodID getStaticMethod(const char* name, const char* type) const {
+    return AndroidBridge::GetStaticMethodID(mEnv, mClass, name, type);
+  }
+};
+
+class AutoJObject {
+ public:
+  explicit AutoJObject(JNIEnv* aJNIEnv = nullptr) : mObject(nullptr) {
+    mJNIEnv = aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv();
+  }
+
+  AutoJObject(JNIEnv* aJNIEnv, jobject aObject) {
+    mJNIEnv = aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv();
+    mObject = aObject;
+  }
+
+  ~AutoJObject() {
+    if (mObject) mJNIEnv->DeleteLocalRef(mObject);
+  }
+
+  jobject operator=(jobject aObject) {
+    if (mObject) {
+      mJNIEnv->DeleteLocalRef(mObject);
+    }
+    return mObject = aObject;
+  }
+
+  operator jobject() { return mObject; }
+
+ private:
+  JNIEnv* mJNIEnv;
+  jobject mObject;
+};
+
+class AutoLocalJNIFrame {
+ public:
+  explicit AutoLocalJNIFrame(int nEntries = 15)
+      : mEntries(nEntries),
+        mJNIEnv(jni::GetGeckoThreadEnv()),
+        mHasFrameBeenPushed(false) {
+    MOZ_ASSERT(mJNIEnv);
+    Push();
+  }
+
+  explicit AutoLocalJNIFrame(JNIEnv* aJNIEnv, int nEntries = 15)
+      : mEntries(nEntries),
+        mJNIEnv(aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv()),
+        mHasFrameBeenPushed(false) {
+    MOZ_ASSERT(mJNIEnv);
+    Push();
+  }
+
+  ~AutoLocalJNIFrame() {
+    if (mHasFrameBeenPushed) {
+      Pop();
+    }
+  }
+
+  JNIEnv* GetEnv() { return mJNIEnv; }
+
+  bool CheckForException() {
+    if (mJNIEnv->ExceptionCheck()) {
+      MOZ_CATCH_JNI_EXCEPTION(mJNIEnv);
+      return true;
+    }
+    return false;
+  }
+
+  // Note! Calling Purge makes all previous local refs created in
+  // the AutoLocalJNIFrame's scope INVALID; be sure that you locked down
+  // any local refs that you need to keep around in global refs!
+  void Purge() {
+    Pop();
+    Push();
+  }
+
+  template <typename ReturnType = jobject>
+  ReturnType Pop(ReturnType aResult = nullptr) {
+    MOZ_ASSERT(mHasFrameBeenPushed);
+    mHasFrameBeenPushed = false;
+    return static_cast<ReturnType>(
+        mJNIEnv->PopLocalFrame(static_cast<jobject>(aResult)));
+  }
+
+ private:
+  void Push() {
+    MOZ_ASSERT(!mHasFrameBeenPushed);
+    // Make sure there is enough space to store a local ref to the
+    // exception.  I am not completely sure this is needed, but does
+    // not hurt.
+    if (mJNIEnv->PushLocalFrame(mEntries + 1) != 0) {
+      CheckForException();
+      return;
+    }
+    mHasFrameBeenPushed = true;
+  }
+
+  const int mEntries;
+  JNIEnv* const mJNIEnv;
+  bool mHasFrameBeenPushed;
+};
+
+}  // namespace mozilla
+
+#define NS_ANDROIDBRIDGE_CID                         \
+  {                                                  \
+    0x0FE2321D, 0xEBD9, 0x467D, {                    \
+      0xA7, 0x43, 0x03, 0xA6, 0x8D, 0x40, 0x59, 0x9E \
+    }                                                \
+  }
+
+class nsAndroidBridge final : public nsIAndroidBridge {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIANDROIDBRIDGE
+
+  NS_FORWARD_SAFE_NSIANDROIDEVENTDISPATCHER(mEventDispatcher)
+
+  nsAndroidBridge();
+
+ private:
+  ~nsAndroidBridge();
+
+  nsCOMPtr<nsIAndroidEventDispatcher> mEventDispatcher;
+
+ protected:
+};
+
+#endif /* AndroidBridge_h__ */