420 lines
12 KiB
C++
420 lines
12 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef AndroidBridge_h__
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#define AndroidBridge_h__
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#include <jni.h>
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#include <android/log.h>
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#include <cstdlib>
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#include <pthread.h>
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#include "APKOpen.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "GeneratedJNIWrappers.h"
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#include "nsIMutableArray.h"
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#include "nsIMIMEInfo.h"
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#include "nsColor.h"
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#include "gfxRect.h"
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#include "nsIAndroidBridge.h"
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#include "nsIDOMDOMCursor.h"
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#include "mozilla/Likely.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Types.h"
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#include "mozilla/gfx/Point.h"
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#include "mozilla/jni/Utils.h"
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#include "nsIObserver.h"
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#include "nsDataHashtable.h"
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#include "Units.h"
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// Some debug #defines
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// #define DEBUG_ANDROID_EVENTS
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// #define DEBUG_ANDROID_WIDGET
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class nsPIDOMWindowOuter;
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namespace base {
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class Thread;
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} // end namespace base
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typedef void* EGLSurface;
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namespace mozilla {
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class AutoLocalJNIFrame;
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class Runnable;
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namespace hal {
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class BatteryInformation;
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class NetworkInformation;
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} // namespace hal
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// The order and number of the members in this structure must correspond
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// to the attrsAppearance array in GeckoAppShell.getSystemColors()
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typedef struct AndroidSystemColors {
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nscolor textColorPrimary;
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nscolor textColorPrimaryInverse;
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nscolor textColorSecondary;
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nscolor textColorSecondaryInverse;
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nscolor textColorTertiary;
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nscolor textColorTertiaryInverse;
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nscolor textColorHighlight;
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nscolor colorForeground;
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nscolor colorBackground;
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nscolor panelColorForeground;
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nscolor panelColorBackground;
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} AndroidSystemColors;
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class MessageCursorContinueCallback : public nsICursorContinueCallback
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICURSORCONTINUECALLBACK
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MessageCursorContinueCallback(int aRequestId)
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: mRequestId(aRequestId)
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{
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}
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private:
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virtual ~MessageCursorContinueCallback()
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{
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}
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int mRequestId;
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};
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class AndroidBridge final
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{
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public:
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enum {
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// Values for NotifyIME, in addition to values from the Gecko
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// IMEMessage enum; use negative values here to prevent conflict
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NOTIFY_IME_OPEN_VKB = -2,
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NOTIFY_IME_REPLY_EVENT = -1,
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};
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enum {
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LAYER_CLIENT_TYPE_NONE = 0,
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LAYER_CLIENT_TYPE_GL = 2 // AndroidGeckoGLLayerClient
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};
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static bool IsJavaUiThread() {
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return pthread_equal(pthread_self(), ::getJavaUiThread());
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}
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static void ConstructBridge();
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static void DeconstructBridge();
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static AndroidBridge *Bridge() {
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return sBridge;
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}
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void ContentDocumentChanged(mozIDOMWindowProxy* aDOMWindow);
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bool IsContentDocumentDisplayed(mozIDOMWindowProxy* aDOMWindow);
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bool GetHandlersForURL(const nsAString& aURL,
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nsIMutableArray* handlersArray = nullptr,
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nsIHandlerApp **aDefaultApp = nullptr,
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const nsAString& aAction = EmptyString());
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bool GetHandlersForMimeType(const nsAString& aMimeType,
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nsIMutableArray* handlersArray = nullptr,
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nsIHandlerApp **aDefaultApp = nullptr,
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const nsAString& aAction = EmptyString());
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bool GetHWEncoderCapability();
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bool GetHWDecoderCapability();
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void GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString& aMimeType);
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void GetExtensionFromMimeType(const nsACString& aMimeType, nsACString& aFileExt);
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bool GetClipboardText(nsAString& aText);
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int GetDPI();
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int GetScreenDepth();
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void Vibrate(const nsTArray<uint32_t>& aPattern);
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void GetSystemColors(AndroidSystemColors *aColors);
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void GetIconForExtension(const nsACString& aFileExt, uint32_t aIconSize, uint8_t * const aBuf);
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bool GetStaticStringField(const char *classID, const char *field, nsAString &result, JNIEnv* env = nullptr);
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bool GetStaticIntField(const char *className, const char *fieldName, int32_t* aInt, JNIEnv* env = nullptr);
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// Returns a global reference to the Context for Fennec's Activity. The
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// caller is responsible for ensuring this doesn't leak by calling
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// DeleteGlobalRef() when the context is no longer needed.
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jobject GetGlobalContextRef(void);
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void HandleGeckoMessage(JSContext* cx, JS::HandleObject message);
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void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
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void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
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// These methods don't use a ScreenOrientation because it's an
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// enum and that would require including the header which requires
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// include IPC headers which requires including basictypes.h which
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// requires a lot of changes...
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uint32_t GetScreenOrientation();
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uint16_t GetScreenAngle();
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int GetAPIVersion() { return mAPIVersion; }
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nsresult GetProxyForURI(const nsACString & aSpec,
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const nsACString & aScheme,
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const nsACString & aHost,
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const int32_t aPort,
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nsACString & aResult);
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bool PumpMessageLoop();
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// Utility methods.
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static jstring NewJavaString(JNIEnv* env, const char16_t* string, uint32_t len);
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static jstring NewJavaString(JNIEnv* env, const nsAString& string);
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static jstring NewJavaString(JNIEnv* env, const char* string);
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static jstring NewJavaString(JNIEnv* env, const nsACString& string);
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static jstring NewJavaString(AutoLocalJNIFrame* frame, const char16_t* string, uint32_t len);
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static jstring NewJavaString(AutoLocalJNIFrame* frame, const nsAString& string);
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static jstring NewJavaString(AutoLocalJNIFrame* frame, const char* string);
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static jstring NewJavaString(AutoLocalJNIFrame* frame, const nsACString& string);
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static jfieldID GetFieldID(JNIEnv* env, jclass jClass, const char* fieldName, const char* fieldType);
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static jfieldID GetStaticFieldID(JNIEnv* env, jclass jClass, const char* fieldName, const char* fieldType);
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static jmethodID GetMethodID(JNIEnv* env, jclass jClass, const char* methodName, const char* methodType);
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static jmethodID GetStaticMethodID(JNIEnv* env, jclass jClass, const char* methodName, const char* methodType);
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static jni::Object::LocalRef ChannelCreate(jni::Object::Param);
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static void InputStreamClose(jni::Object::Param obj);
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static uint32_t InputStreamAvailable(jni::Object::Param obj);
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static nsresult InputStreamRead(jni::Object::Param obj, char *aBuf, uint32_t aCount, uint32_t *aRead);
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protected:
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static nsDataHashtable<nsStringHashKey, nsString> sStoragePaths;
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static AndroidBridge* sBridge;
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AndroidBridge();
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~AndroidBridge();
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int mAPIVersion;
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// intput stream
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jclass jReadableByteChannel;
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jclass jChannels;
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jmethodID jChannelCreate;
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jmethodID jByteBufferRead;
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jclass jInputStream;
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jmethodID jClose;
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jmethodID jAvailable;
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jmethodID jCalculateLength;
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// some convinient types to have around
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jclass jStringClass;
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jni::Object::GlobalRef mMessageQueue;
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jfieldID mMessageQueueMessages;
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jmethodID mMessageQueueNext;
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private:
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class DelayedTask;
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nsTArray<DelayedTask> mUiTaskQueue;
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mozilla::Mutex mUiTaskQueueLock;
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public:
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void PostTaskToUiThread(already_AddRefed<Runnable> aTask, int aDelayMs);
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int64_t RunDelayedUiThreadTasks();
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};
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class AutoJNIClass {
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private:
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JNIEnv* const mEnv;
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const jclass mClass;
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public:
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AutoJNIClass(JNIEnv* jEnv, const char* name)
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: mEnv(jEnv)
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, mClass(jni::GetClassRef(jEnv, name))
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{}
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~AutoJNIClass() {
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mEnv->DeleteLocalRef(mClass);
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}
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jclass getRawRef() const {
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return mClass;
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}
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jclass getGlobalRef() const {
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return static_cast<jclass>(mEnv->NewGlobalRef(mClass));
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}
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jfieldID getField(const char* name, const char* type) const {
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return AndroidBridge::GetFieldID(mEnv, mClass, name, type);
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}
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jfieldID getStaticField(const char* name, const char* type) const {
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return AndroidBridge::GetStaticFieldID(mEnv, mClass, name, type);
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}
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jmethodID getMethod(const char* name, const char* type) const {
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return AndroidBridge::GetMethodID(mEnv, mClass, name, type);
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}
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jmethodID getStaticMethod(const char* name, const char* type) const {
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return AndroidBridge::GetStaticMethodID(mEnv, mClass, name, type);
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}
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};
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class AutoJObject {
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public:
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AutoJObject(JNIEnv* aJNIEnv = nullptr) : mObject(nullptr)
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{
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mJNIEnv = aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv();
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}
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AutoJObject(JNIEnv* aJNIEnv, jobject aObject)
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{
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mJNIEnv = aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv();
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mObject = aObject;
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}
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~AutoJObject() {
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if (mObject)
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mJNIEnv->DeleteLocalRef(mObject);
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}
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jobject operator=(jobject aObject)
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{
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if (mObject) {
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mJNIEnv->DeleteLocalRef(mObject);
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}
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return mObject = aObject;
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}
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operator jobject() {
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return mObject;
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}
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private:
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JNIEnv* mJNIEnv;
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jobject mObject;
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};
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class AutoLocalJNIFrame {
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public:
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AutoLocalJNIFrame(int nEntries = 15)
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: mEntries(nEntries)
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, mJNIEnv(jni::GetGeckoThreadEnv())
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, mHasFrameBeenPushed(false)
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{
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MOZ_ASSERT(mJNIEnv);
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Push();
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}
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AutoLocalJNIFrame(JNIEnv* aJNIEnv, int nEntries = 15)
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: mEntries(nEntries)
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, mJNIEnv(aJNIEnv ? aJNIEnv : jni::GetGeckoThreadEnv())
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, mHasFrameBeenPushed(false)
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{
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MOZ_ASSERT(mJNIEnv);
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Push();
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}
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~AutoLocalJNIFrame() {
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if (mHasFrameBeenPushed) {
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Pop();
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}
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}
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JNIEnv* GetEnv() {
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return mJNIEnv;
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}
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bool CheckForException() {
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if (mJNIEnv->ExceptionCheck()) {
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MOZ_CATCH_JNI_EXCEPTION(mJNIEnv);
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return true;
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}
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return false;
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}
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// Note! Calling Purge makes all previous local refs created in
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// the AutoLocalJNIFrame's scope INVALID; be sure that you locked down
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// any local refs that you need to keep around in global refs!
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void Purge() {
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Pop();
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Push();
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}
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template <typename ReturnType = jobject>
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ReturnType Pop(ReturnType aResult = nullptr) {
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MOZ_ASSERT(mHasFrameBeenPushed);
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mHasFrameBeenPushed = false;
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return static_cast<ReturnType>(
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mJNIEnv->PopLocalFrame(static_cast<jobject>(aResult)));
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}
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private:
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void Push() {
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MOZ_ASSERT(!mHasFrameBeenPushed);
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// Make sure there is enough space to store a local ref to the
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// exception. I am not completely sure this is needed, but does
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// not hurt.
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if (mJNIEnv->PushLocalFrame(mEntries + 1) != 0) {
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CheckForException();
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return;
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}
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mHasFrameBeenPushed = true;
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}
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const int mEntries;
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JNIEnv* const mJNIEnv;
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bool mHasFrameBeenPushed;
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};
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}
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#define NS_ANDROIDBRIDGE_CID \
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{ 0x0FE2321D, 0xEBD9, 0x467D, \
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{ 0xA7, 0x43, 0x03, 0xA6, 0x8D, 0x40, 0x59, 0x9E } }
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class nsAndroidBridge final : public nsIAndroidBridge,
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public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIANDROIDBRIDGE
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NS_DECL_NSIOBSERVER
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nsAndroidBridge();
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private:
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~nsAndroidBridge();
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void AddObservers();
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void RemoveObservers();
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void UpdateAudioPlayingWindows(uint64_t aWindowId, bool aPlaying);
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nsTArray<uint64_t> mAudioPlayingWindows;
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protected:
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};
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#endif /* AndroidBridge_h__ */
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