gecko-dev/widget/android/AndroidBridge.h

475 строки
15 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef AndroidBridge_h__
#define AndroidBridge_h__
#include <jni.h>
#include <android/log.h>
#include <cstdlib>
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsIRunnable.h"
#include "nsIObserver.h"
#include "AndroidJavaWrappers.h"
#include "nsIMutableArray.h"
#include "nsIMIMEInfo.h"
#include "nsColor.h"
#include "nsIAndroidBridge.h"
// Some debug #defines
// #define DEBUG_ANDROID_EVENTS
// #define DEBUG_ANDROID_WIDGET
class nsWindow;
namespace mozilla {
namespace hal {
class BatteryInformation;
} // namespace hal
// 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 AndroidBridge
{
public:
enum {
NOTIFY_IME_RESETINPUTSTATE = 0,
NOTIFY_IME_SETOPENSTATE = 1,
NOTIFY_IME_CANCELCOMPOSITION = 2,
NOTIFY_IME_FOCUSCHANGE = 3
};
static AndroidBridge *ConstructBridge(JNIEnv *jEnv,
jclass jGeckoAppShellClass);
static AndroidBridge *Bridge() {
return sBridge;
}
static JavaVM *VM() {
return sBridge->mJavaVM;
}
static JNIEnv *JNI() {
sBridge->EnsureJNIThread();
return sBridge->mJNIEnv;
}
static JNIEnv *JNIForThread() {
if (NS_LIKELY(sBridge))
return sBridge->AttachThread();
return nsnull;
}
static jclass GetGeckoAppShellClass() {
return sBridge->mGeckoAppShellClass;
}
// 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(void *thr);
JNIEnv* AttachThread(bool asDaemon = true);
/* These are all implemented in Java */
static void NotifyIME(int aType, int aState);
static void NotifyIMEEnabled(int aState, const nsAString& aTypeHint,
const nsAString& aActionHint);
static void NotifyIMEChange(const PRUnichar *aText, PRUint32 aTextLen, int aStart, int aEnd, int aNewEnd);
void AcknowledgeEventSync();
void EnableDeviceMotion(bool aEnable);
void EnableLocation(bool aEnable);
void ReturnIMEQueryResult(const PRUnichar *aResult, PRUint32 aLen, int aSelStart, int aSelLen);
void NotifyXreExit();
void ScheduleRestart();
void SetSoftwareLayerClient(jobject jobj);
AndroidGeckoSoftwareLayerClient &GetSoftwareLayerClient() { return mSoftwareLayerClient; }
void SetSurfaceView(jobject jobj);
AndroidGeckoSurfaceView& SurfaceView() { return mSurfaceView; }
bool GetHandlersForURL(const char *aURL,
nsIMutableArray* handlersArray = nsnull,
nsIHandlerApp **aDefaultApp = nsnull,
const nsAString& aAction = EmptyString());
bool GetHandlersForMimeType(const char *aMimeType,
nsIMutableArray* handlersArray = nsnull,
nsIHandlerApp **aDefaultApp = nsnull,
const nsAString& aAction = EmptyString());
bool OpenUriExternal(const nsACString& aUriSpec, const nsACString& aMimeType,
const nsAString& aPackageName = EmptyString(),
const nsAString& aClassName = EmptyString(),
const nsAString& aAction = EmptyString(),
const nsAString& aTitle = EmptyString());
void GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString& aMimeType);
void GetExtensionFromMimeType(const nsACString& aMimeType, nsACString& aFileExt);
void MoveTaskToBack();
bool GetClipboardText(nsAString& aText);
void SetClipboardText(const nsAString& aText);
void EmptyClipboard();
bool ClipboardHasText();
void ShowAlertNotification(const nsAString& aImageUrl,
const nsAString& aAlertTitle,
const nsAString& aAlertText,
const nsAString& aAlertData,
nsIObserver *aAlertListener,
const nsAString& aAlertName);
void AlertsProgressListener_OnProgress(const nsAString& aAlertName,
PRInt64 aProgress,
PRInt64 aProgressMax,
const nsAString& aAlertText);
void AlertsProgressListener_OnCancel(const nsAString& aAlertName);
int GetDPI();
void ShowFilePicker(nsAString& aFilePath, nsAString& aFilters);
void PerformHapticFeedback(bool aIsLongPress);
void Vibrate(const nsTArray<PRUint32>& aPattern);
void CancelVibrate();
void SetFullScreen(bool aFullScreen);
void ShowInputMethodPicker();
void HideProgressDialogOnce();
bool IsNetworkLinkUp();
bool IsNetworkLinkKnown();
void SetSelectedLocale(const nsAString&);
void GetSystemColors(AndroidSystemColors *aColors);
void GetIconForExtension(const nsACString& aFileExt, PRUint32 aIconSize, PRUint8 * const aBuf);
bool GetShowPasswordSetting();
void FireAndWaitForTracerEvent();
bool GetAccessibilityEnabled();
class AutoLocalJNIFrame {
public:
AutoLocalJNIFrame(int nEntries = 128)
: mEntries(nEntries)
, mJNIEnv(JNI())
{
Push();
}
AutoLocalJNIFrame(JNIEnv* aJNIEnv, int nEntries = 128)
: mEntries(nEntries)
, mJNIEnv(aJNIEnv ? aJNIEnv : JNI())
{
Push();
}
// 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() {
mJNIEnv->PopLocalFrame(NULL);
Push();
}
~AutoLocalJNIFrame() {
jthrowable exception = mJNIEnv->ExceptionOccurred();
if (exception) {
mJNIEnv->ExceptionDescribe();
mJNIEnv->ExceptionClear();
}
mJNIEnv->PopLocalFrame(NULL);
}
private:
void Push() {
// 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.
mJNIEnv->PushLocalFrame(mEntries + 1);
}
int mEntries;
JNIEnv* mJNIEnv;
};
/* See GLHelpers.java as to why this is needed */
void *CallEglCreateWindowSurface(void *dpy, void *config, AndroidGeckoSurfaceView& surfaceView);
bool GetStaticStringField(const char *classID, const char *field, nsAString &result);
bool GetStaticIntField(const char *className, const char *fieldName, PRInt32* aInt);
void SetKeepScreenOn(bool on);
void ScanMedia(const nsAString& aFile, const nsACString& aMimeType);
void CreateShortcut(const nsAString& aTitle, const nsAString& aURI, const nsAString& aIconData, const nsAString& aIntent);
// 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);
void UnlockBitmap(jobject bitmap);
void PostToJavaThread(nsIRunnable* aRunnable, bool aMainThread = false);
void ExecuteNextRunnable();
/* 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(jobject surface);
void ReleaseNativeWindow(void *window);
bool SetNativeWindowFormat(void *window, int format);
bool LockWindow(void *window, unsigned char **bits, int *width, int *height, int *format, int *stride);
bool UnlockWindow(void *window);
void HandleGeckoMessage(const nsAString& message, nsAString &aRet);
nsCOMPtr<nsIAndroidDrawMetadataProvider> GetDrawMetadataProvider();
void EmitGeckoAccessibilityEvent (PRInt32 eventType, const nsAString& role, const nsAString& text, const nsAString& description, bool enabled, bool checked, bool password);
void CheckURIVisited(const nsAString& uri);
void MarkURIVisited(const nsAString& uri);
bool InitCamera(const nsCString& contentType, PRUint32 camera, PRUint32 *width, PRUint32 *height, PRUint32 *fps);
void CloseCamera();
void EnableBatteryNotifications();
void DisableBatteryNotifications();
void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
PRUint16 GetNumberOfMessagesForText(const nsAString& aText);
void SendMessage(const nsAString& aNumber, const nsAString& aText);
bool IsTablet();
protected:
static AndroidBridge *sBridge;
// the global JavaVM
JavaVM *mJavaVM;
// the JNIEnv for the main thread
JNIEnv *mJNIEnv;
void *mThread;
// the GeckoSurfaceView
AndroidGeckoSurfaceView mSurfaceView;
AndroidGeckoSoftwareLayerClient mSoftwareLayerClient;
// the GeckoAppShell java class
jclass mGeckoAppShellClass;
AndroidBridge() { }
bool Init(JNIEnv *jEnv, jclass jGeckoApp);
void EnsureJNIThread();
bool mOpenedGraphicsLibraries;
void OpenGraphicsLibraries();
bool mHasNativeBitmapAccess;
bool mHasNativeWindowAccess;
nsCOMArray<nsIRunnable> mRunnableQueue;
// other things
jmethodID jNotifyIME;
jmethodID jNotifyIMEEnabled;
jmethodID jNotifyIMEChange;
jmethodID jAcknowledgeEventSync;
jmethodID jEnableDeviceMotion;
jmethodID jEnableLocation;
jmethodID jReturnIMEQueryResult;
jmethodID jNotifyAppShellReady;
jmethodID jNotifyXreExit;
jmethodID jScheduleRestart;
jmethodID jGetOutstandingDrawEvents;
jmethodID jGetHandlersForMimeType;
jmethodID jGetHandlersForURL;
jmethodID jOpenUriExternal;
jmethodID jGetMimeTypeFromExtensions;
jmethodID jGetExtensionFromMimeType;
jmethodID jMoveTaskToBack;
jmethodID jGetClipboardText;
jmethodID jSetClipboardText;
jmethodID jShowAlertNotification;
jmethodID jShowFilePicker;
jmethodID jAlertsProgressListener_OnProgress;
jmethodID jAlertsProgressListener_OnCancel;
jmethodID jGetDpi;
jmethodID jSetFullScreen;
jmethodID jShowInputMethodPicker;
jmethodID jHideProgressDialog;
jmethodID jPerformHapticFeedback;
jmethodID jVibrate1;
jmethodID jVibrateA;
jmethodID jCancelVibrate;
jmethodID jSetKeepScreenOn;
jmethodID jIsNetworkLinkUp;
jmethodID jIsNetworkLinkKnown;
jmethodID jSetSelectedLocale;
jmethodID jScanMedia;
jmethodID jGetSystemColors;
jmethodID jGetIconForExtension;
jmethodID jFireAndWaitForTracerEvent;
jmethodID jCreateShortcut;
jmethodID jGetShowPasswordSetting;
jmethodID jPostToJavaThread;
jmethodID jInitCamera;
jmethodID jCloseCamera;
jmethodID jIsTablet;
jmethodID jEnableBatteryNotifications;
jmethodID jDisableBatteryNotifications;
jmethodID jGetCurrentBatteryInformation;
jmethodID jGetAccessibilityEnabled;
jmethodID jHandleGeckoMessage;
jmethodID jCheckUriVisited;
jmethodID jMarkUriVisited;
jmethodID jEmitGeckoAccessibilityEvent;
jmethodID jNumberOfMessages;
jmethodID jSendMessage;
// stuff we need for CallEglCreateWindowSurface
jclass jEGLSurfaceImplClass;
jclass jEGLContextImplClass;
jclass jEGLConfigImplClass;
jclass jEGLDisplayImplClass;
jclass jEGLContextClass;
jclass jEGL10Class;
// 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_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);
};
}
#define NS_ANDROIDBRIDGE_CID \
{ 0x0FE2321D, 0xEBD9, 0x467D, \
{ 0xA7, 0x43, 0x03, 0xA6, 0x8D, 0x40, 0x59, 0x9E } }
class nsAndroidBridge : public nsIAndroidBridge
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIANDROIDBRIDGE
nsAndroidBridge();
private:
~nsAndroidBridge();
protected:
};
extern "C" JNIEnv * GetJNIForThread();
extern bool mozilla_AndroidBridge_SetMainThread(void *);
extern jclass GetGeckoAppShellClass();
#endif /* AndroidBridge_h__ */