gecko-dev/widget/android/AndroidBridge.h

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/* -*- Mode: c++; c-basic-offset: 4; 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 <jni.h>
#include <android/log.h>
#include <cstdlib>
#include <pthread.h>
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "GeneratedJNIWrappers.h"
#include "AndroidJavaWrappers.h"
#include "nsIMutableArray.h"
#include "nsIMIMEInfo.h"
#include "nsColor.h"
#include "gfxRect.h"
#include "nsIAndroidBridge.h"
#include "nsIMobileMessageCallback.h"
#include "mozilla/Likely.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/Types.h"
#include "mozilla/jni/Utils.h"
// Some debug #defines
// #define DEBUG_ANDROID_EVENTS
// #define DEBUG_ANDROID_WIDGET
class nsWindow;
class nsIDOMMozSmsMessage;
class nsIObserver;
class Task;
extern bool mozilla_AndroidBridge_SetMainThread(pthread_t);
namespace base {
class Thread;
} // end namespace base
typedef void* EGLSurface;
namespace mozilla {
namespace hal {
class BatteryInformation;
class NetworkInformation;
} // namespace hal
namespace dom {
namespace mobilemessage {
struct SmsFilterData;
} // namespace mobilemessage
} // namespace dom
namespace layers {
class CompositorParent;
} // namespace layers
// The order and number of the members in this structure must correspond
// to the attrsAppearance array in GeckoAppShell.getSystemColors()
typedef struct AndroidSystemColors {
nscolor textColorPrimary;
nscolor textColorPrimaryInverse;
nscolor textColorSecondary;
nscolor textColorSecondaryInverse;
nscolor textColorTertiary;
nscolor textColorTertiaryInverse;
nscolor textColorHighlight;
nscolor colorForeground;
nscolor colorBackground;
nscolor panelColorForeground;
nscolor panelColorBackground;
} AndroidSystemColors;
class nsFilePickerCallback : nsISupports {
public:
NS_DECL_THREADSAFE_ISUPPORTS
virtual void handleResult(nsAString& filePath) = 0;
nsFilePickerCallback() {}
protected:
virtual ~nsFilePickerCallback() {}
};
class DelayedTask {
public:
DelayedTask(Task* aTask, int aDelayMs) {
mTask = aTask;
mRunTime = mozilla::TimeStamp::Now() + mozilla::TimeDuration::FromMilliseconds(aDelayMs);
}
bool IsEarlierThan(DelayedTask *aOther) {
return mRunTime < aOther->mRunTime;
}
int64_t MillisecondsToRunTime() {
mozilla::TimeDuration timeLeft = mRunTime - mozilla::TimeStamp::Now();
return (int64_t)timeLeft.ToMilliseconds();
}
Task* GetTask() {
return mTask;
}
private:
Task* mTask;
mozilla::TimeStamp mRunTime;
};
class AndroidBridge MOZ_FINAL
{
public:
enum {
// Values for NotifyIME, in addition to values from the Gecko
// IMEMessage enum; use negative values here to prevent conflict
NOTIFY_IME_OPEN_VKB = -2,
NOTIFY_IME_REPLY_EVENT = -1,
};
enum {
LAYER_CLIENT_TYPE_NONE = 0,
LAYER_CLIENT_TYPE_GL = 2 // AndroidGeckoGLLayerClient
};
static void RegisterJavaUiThread() {
sJavaUiThread = pthread_self();
}
static bool IsJavaUiThread() {
return pthread_equal(pthread_self(), sJavaUiThread);
}
static void ConstructBridge(JNIEnv *jEnv, jni::Object::Param clsLoader);
static AndroidBridge *Bridge() {
return sBridge;
}
static JavaVM *GetVM() {
MOZ_ASSERT(sBridge);
return sBridge->mJavaVM;
}
static JNIEnv *GetJNIEnv() {
MOZ_ASSERT(sBridge);
if (MOZ_UNLIKELY(!pthread_equal(pthread_self(), sBridge->mThread))) {
MOZ_CRASH();
}
MOZ_ASSERT(sBridge->mJNIEnv);
return sBridge->mJNIEnv;
}
static bool HasEnv() {
return sBridge && sBridge->mJNIEnv;
}
static bool ThrowException(JNIEnv *aEnv, const char *aClass,
const char *aMessage) {
return jni::ThrowException(aEnv, aClass, aMessage);
}
static bool ThrowException(JNIEnv *aEnv, const char *aMessage) {
return jni::ThrowException(aEnv, aMessage);
}
static void HandleUncaughtException(JNIEnv *aEnv) {
jni::HandleUncaughtException(aEnv);
}
// The bridge needs to be constructed via ConstructBridge first,
// and then once the Gecko main thread is spun up (Gecko side),
// SetMainThread should be called which will create the JNIEnv for
// us to use. toolkit/xre/nsAndroidStartup.cpp calls
// SetMainThread.
bool SetMainThread(pthread_t thr);
/* These are all implemented in Java */
bool GetThreadNameJavaProfiling(uint32_t aThreadId, nsCString & aResult);
bool GetFrameNameJavaProfiling(uint32_t aThreadId, uint32_t aSampleId, uint32_t aFrameId, nsCString & aResult);
nsresult CaptureThumbnail(nsIDOMWindow *window, int32_t bufW, int32_t bufH, int32_t tabId, jni::Object::Param buffer, bool &shouldStore);
void GetDisplayPort(bool aPageSizeUpdate, bool aIsBrowserContentDisplayed, int32_t tabId, nsIAndroidViewport* metrics, nsIAndroidDisplayport** displayPort);
void ContentDocumentChanged();
bool IsContentDocumentDisplayed();
bool ProgressiveUpdateCallback(bool aHasPendingNewThebesContent, const LayerRect& aDisplayPort, float aDisplayResolution, bool aDrawingCritical,
mozilla::ParentLayerPoint& aScrollOffset, mozilla::CSSToParentLayerScale& aZoom);
void SetLayerClient(widget::GeckoLayerClient::Param jobj);
const widget::GeckoLayerClient::Ref& GetLayerClient() { return mLayerClient; }
bool GetHandlersForURL(const nsAString& aURL,
nsIMutableArray* handlersArray = nullptr,
nsIHandlerApp **aDefaultApp = nullptr,
const nsAString& aAction = EmptyString());
bool GetHandlersForMimeType(const nsAString& aMimeType,
nsIMutableArray* handlersArray = nullptr,
nsIHandlerApp **aDefaultApp = nullptr,
const nsAString& aAction = EmptyString());
void GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString& aMimeType);
void GetExtensionFromMimeType(const nsACString& aMimeType, nsACString& aFileExt);
bool GetClipboardText(nsAString& aText);
void ShowAlertNotification(const nsAString& aImageUrl,
const nsAString& aAlertTitle,
const nsAString& aAlertText,
const nsAString& aAlertData,
nsIObserver *aAlertListener,
const nsAString& aAlertName);
int GetDPI();
int GetScreenDepth();
void Vibrate(const nsTArray<uint32_t>& aPattern);
void GetSystemColors(AndroidSystemColors *aColors);
void GetIconForExtension(const nsACString& aFileExt, uint32_t aIconSize, uint8_t * const aBuf);
// Switch Java to composite with the Gecko Compositor thread
void RegisterCompositor(JNIEnv* env = nullptr);
EGLSurface CreateEGLSurfaceForCompositor();
bool GetStaticStringField(const char *classID, const char *field, nsAString &result, JNIEnv* env = nullptr);
bool GetStaticIntField(const char *className, const char *fieldName, int32_t* aInt, JNIEnv* env = nullptr);
// These next four functions are for native Bitmap access in Android 2.2+
bool HasNativeBitmapAccess();
bool ValidateBitmap(jobject bitmap, int width, int height);
void *LockBitmap(jobject bitmap);
// 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 UnlockBitmap(jobject bitmap);
/* Copied from Android's native_window.h in newer (platform 9) NDK */
enum {
WINDOW_FORMAT_RGBA_8888 = 1,
WINDOW_FORMAT_RGBX_8888 = 2,
WINDOW_FORMAT_RGB_565 = 4
};
bool HasNativeWindowAccess();
void *AcquireNativeWindow(JNIEnv* aEnv, jobject aSurface);
void ReleaseNativeWindow(void *window);
void *AcquireNativeWindowFromSurfaceTexture(JNIEnv* aEnv, jobject aSurface);
void ReleaseNativeWindowForSurfaceTexture(void *window);
bool LockWindow(void *window, unsigned char **bits, int *width, int *height, int *format, int *stride);
bool UnlockWindow(void *window);
void HandleGeckoMessage(JSContext* cx, JS::HandleObject message);
bool InitCamera(const nsCString& contentType, uint32_t camera, uint32_t *width, uint32_t *height, uint32_t *fps);
void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
nsresult GetSegmentInfoForText(const nsAString& aText,
nsIMobileMessageCallback* aRequest);
void SendMessage(const nsAString& aNumber, const nsAString& aText,
nsIMobileMessageCallback* aRequest);
void GetMessage(int32_t aMessageId, nsIMobileMessageCallback* aRequest);
void DeleteMessage(int32_t aMessageId, nsIMobileMessageCallback* aRequest);
void CreateMessageList(const dom::mobilemessage::SmsFilterData& aFilter,
bool aReverse, nsIMobileMessageCallback* aRequest);
void GetNextMessageInList(int32_t aListId, nsIMobileMessageCallback* aRequest);
already_AddRefed<nsIMobileMessageCallback> DequeueSmsRequest(uint32_t aRequestId);
void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
void SetFirstPaintViewport(const LayerIntPoint& aOffset, const CSSToLayerScale& aZoom, const CSSRect& aCssPageRect);
void SetPageRect(const CSSRect& aCssPageRect);
void SyncViewportInfo(const LayerIntRect& aDisplayPort, const CSSToLayerScale& aDisplayResolution,
bool aLayersUpdated, ParentLayerPoint& aScrollOffset, CSSToParentLayerScale& aScale,
LayerMargin& aFixedLayerMargins, ScreenPoint& aOffset);
void SyncFrameMetrics(const ParentLayerPoint& aScrollOffset, float aZoom, const CSSRect& aCssPageRect,
bool aLayersUpdated, const CSSRect& aDisplayPort, const CSSToLayerScale& aDisplayResolution,
bool aIsFirstPaint, LayerMargin& aFixedLayerMargins, ScreenPoint& aOffset);
void AddPluginView(jobject view, const LayoutDeviceRect& rect, bool isFullScreen);
// These methods don't use a ScreenOrientation because it's an
// enum and that would require including the header which requires
// include IPC headers which requires including basictypes.h which
// requires a lot of changes...
uint32_t GetScreenOrientation();
int GetAPIVersion() { return mAPIVersion; }
bool IsHoneycomb() { return mAPIVersion >= 11 && mAPIVersion <= 13; }
void ScheduleComposite();
nsresult GetProxyForURI(const nsACString & aSpec,
const nsACString & aScheme,
const nsACString & aHost,
const int32_t aPort,
nsACString & aResult);
// Utility methods.
static jstring NewJavaString(JNIEnv* env, const char16_t* string, uint32_t len);
static jstring NewJavaString(JNIEnv* env, const nsAString& string);
static jstring NewJavaString(JNIEnv* env, const char* string);
static jstring NewJavaString(JNIEnv* env, const nsACString& string);
static jstring NewJavaString(AutoLocalJNIFrame* frame, const char16_t* string, uint32_t len);
static jstring NewJavaString(AutoLocalJNIFrame* frame, const nsAString& string);
static jstring NewJavaString(AutoLocalJNIFrame* frame, const char* string);
static jstring NewJavaString(AutoLocalJNIFrame* frame, const nsACString& string);
static jclass GetClassGlobalRef(JNIEnv* env, const char* className);
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);
static nsresult GetExternalPublicDirectory(const nsAString& aType, nsAString& aPath);
protected:
static pthread_t sJavaUiThread;
static AndroidBridge* sBridge;
nsTArray<nsCOMPtr<nsIMobileMessageCallback> > mSmsRequests;
// the global JavaVM
JavaVM *mJavaVM;
// the JNIEnv for the main thread
JNIEnv *mJNIEnv;
pthread_t mThread;
widget::GeckoLayerClient::GlobalRef mLayerClient;
// the android.telephony.SmsMessage class
jclass mAndroidSmsMessageClass;
AndroidBridge();
~AndroidBridge();
void InitStubs(JNIEnv *jEnv);
bool Init(JNIEnv *jEnv, jni::Object::Param clsLoader);
bool mOpenedGraphicsLibraries;
void OpenGraphicsLibraries();
void* GetNativeSurface(JNIEnv* env, jobject surface);
bool mHasNativeBitmapAccess;
bool mHasNativeWindowAccess;
bool mHasNativeWindowFallback;
int mAPIVersion;
bool QueueSmsRequest(nsIMobileMessageCallback* aRequest, uint32_t* aRequestIdOut);
// intput stream
jclass jReadableByteChannel;
jclass jChannels;
jmethodID jChannelCreate;
jmethodID jByteBufferRead;
jclass jInputStream;
jmethodID jClose;
jmethodID jAvailable;
// other things
jmethodID jNotifyAppShellReady;
jmethodID jGetOutstandingDrawEvents;
jmethodID jPostToJavaThread;
jmethodID jCreateSurface;
jmethodID jShowSurface;
jmethodID jHideSurface;
jmethodID jDestroySurface;
jmethodID jCalculateLength;
// For native surface stuff
jclass jSurfaceClass;
jfieldID jSurfacePointerField;
jclass jLayerView;
jfieldID jEGLSurfacePointerField;
widget::GLController::GlobalRef mGLControllerObj;
// some convinient types to have around
jclass jStringClass;
jni::Object::GlobalRef mClassLoader;
jmethodID mClassLoaderLoadClass;
// calls we've dlopened from libjnigraphics.so
int (* AndroidBitmap_getInfo)(JNIEnv *env, jobject bitmap, void *info);
int (* AndroidBitmap_lockPixels)(JNIEnv *env, jobject bitmap, void **buffer);
int (* AndroidBitmap_unlockPixels)(JNIEnv *env, jobject bitmap);
void* (*ANativeWindow_fromSurface)(JNIEnv *env, jobject surface);
void* (*ANativeWindow_fromSurfaceTexture)(JNIEnv *env, jobject surfaceTexture);
void (*ANativeWindow_release)(void *window);
int (*ANativeWindow_setBuffersGeometry)(void *window, int width, int height, int format);
int (* ANativeWindow_lock)(void *window, void *outBuffer, void *inOutDirtyBounds);
int (* ANativeWindow_unlockAndPost)(void *window);
int (* Surface_lock)(void* surface, void* surfaceInfo, void* region, bool block);
int (* Surface_unlockAndPost)(void* surface);
void (* Region_constructor)(void* region);
void (* Region_set)(void* region, void* rect);
private:
// This will always be accessed from one thread (the Java UI thread),
// so we don't need to do locking to touch it.
nsTArray<DelayedTask*> mDelayedTaskQueue;
public:
void PostTaskToUiThread(Task* aTask, int aDelayMs);
int64_t RunDelayedUiThreadTasks();
};
class AutoJNIClass {
private:
JNIEnv* const mEnv;
const jclass mClass;
public:
AutoJNIClass(JNIEnv* jEnv, const char* name)
: mEnv(jEnv)
, mClass(AndroidBridge::GetClassGlobalRef(jEnv, name))
{}
~AutoJNIClass() {
mEnv->DeleteGlobalRef(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:
AutoJObject(JNIEnv* aJNIEnv = nullptr) : mObject(nullptr)
{
mJNIEnv = aJNIEnv ? aJNIEnv : AndroidBridge::GetJNIEnv();
}
AutoJObject(JNIEnv* aJNIEnv, jobject aObject)
{
mJNIEnv = aJNIEnv ? aJNIEnv : AndroidBridge::GetJNIEnv();
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:
AutoLocalJNIFrame(int nEntries = 15)
: mEntries(nEntries)
, mJNIEnv(AndroidBridge::GetJNIEnv())
, mHasFrameBeenPushed(false)
{
MOZ_ASSERT(mJNIEnv);
Push();
}
AutoLocalJNIFrame(JNIEnv* aJNIEnv, int nEntries = 15)
: mEntries(nEntries)
, mJNIEnv(aJNIEnv ? aJNIEnv : AndroidBridge::GetJNIEnv())
, mHasFrameBeenPushed(false)
{
MOZ_ASSERT(mJNIEnv);
Push();
}
~AutoLocalJNIFrame() {
if (mHasFrameBeenPushed) {
Pop();
}
}
JNIEnv* GetEnv() {
return mJNIEnv;
}
bool CheckForException() {
if (mJNIEnv->ExceptionCheck()) {
jni::HandleUncaughtException(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;
};
}
#define NS_ANDROIDBRIDGE_CID \
{ 0x0FE2321D, 0xEBD9, 0x467D, \
{ 0xA7, 0x43, 0x03, 0xA6, 0x8D, 0x40, 0x59, 0x9E } }
class nsAndroidBridge MOZ_FINAL : public nsIAndroidBridge
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIANDROIDBRIDGE
nsAndroidBridge();
private:
~nsAndroidBridge();
protected:
};
#endif /* AndroidBridge_h__ */