mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
728 lines
23 KiB
C++
728 lines
23 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 "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "nsIRunnable.h"
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#include "nsIObserver.h"
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#include "nsThreadUtils.h"
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#include "AndroidJavaWrappers.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 "nsIMobileMessageCallback.h"
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#include "mozilla/Likely.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/layers/GeckoContentController.h"
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#include "mozilla/TimeStamp.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 nsWindow;
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class nsIDOMMozSmsMessage;
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/* See the comment in AndroidBridge about this function before using it */
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extern "C" JNIEnv * GetJNIForThread();
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extern bool mozilla_AndroidBridge_SetMainThread(void *);
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extern jclass GetGeckoAppShellClass();
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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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namespace hal {
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class BatteryInformation;
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class NetworkInformation;
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} // namespace hal
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namespace dom {
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namespace mobilemessage {
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struct SmsFilterData;
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struct SmsSegmentInfoData;
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} // namespace mobilemessage
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} // namespace dom
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namespace layers {
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class CompositorParent;
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} // namespace layers
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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 nsFilePickerCallback : nsISupports {
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public:
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NS_DECL_ISUPPORTS
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virtual void handleResult(nsAString& filePath) = 0;
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nsFilePickerCallback() {}
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protected:
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virtual ~nsFilePickerCallback() {}
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};
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class DelayedTask {
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public:
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DelayedTask(Task* aTask, int aDelayMs) {
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mTask = aTask;
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mRunTime = TimeStamp::Now() + TimeDuration::FromMilliseconds(aDelayMs);
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}
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bool IsEarlierThan(DelayedTask *aOther) {
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return mRunTime < aOther->mRunTime;
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}
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int64_t MillisecondsToRunTime() {
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TimeDuration timeLeft = mRunTime - TimeStamp::Now();
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return (int64_t)timeLeft.ToMilliseconds();
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}
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Task* GetTask() {
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return mTask;
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}
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private:
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Task* mTask;
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TimeStamp mRunTime;
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};
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class AndroidBridge : public mozilla::layers::GeckoContentController
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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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// NotificationToIME enum; use negative values here to prevent conflict
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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 void ConstructBridge(JNIEnv *jEnv, jclass jGeckoAppShellClass);
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static AndroidBridge *Bridge() {
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return sBridge.get();
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}
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static JavaVM *GetVM() {
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if (MOZ_LIKELY(sBridge))
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return sBridge->mJavaVM;
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return nullptr;
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}
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static JNIEnv *GetJNIEnv() {
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if (MOZ_LIKELY(sBridge)) {
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if ((void*)pthread_self() != sBridge->mThread) {
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__android_log_print(ANDROID_LOG_INFO, "AndroidBridge",
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"###!!!!!!! Something's grabbing the JNIEnv from the wrong thread! (thr %p should be %p)",
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(void*)pthread_self(), (void*)sBridge->mThread);
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MOZ_ASSERT(false, "###!!!!!!! Something's grabbing the JNIEnv from the wrong thread!");
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return nullptr;
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}
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return sBridge->mJNIEnv;
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}
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return nullptr;
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}
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static jclass GetGeckoAppShellClass() {
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return sBridge->mGeckoAppShellClass;
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}
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// The bridge needs to be constructed via ConstructBridge first,
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// and then once the Gecko main thread is spun up (Gecko side),
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// SetMainThread should be called which will create the JNIEnv for
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// us to use. toolkit/xre/nsAndroidStartup.cpp calls
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// SetMainThread.
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bool SetMainThread(void *thr);
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/* These are all implemented in Java */
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static void NotifyIME(int aType);
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static void NotifyIMEContext(int aState, const nsAString& aTypeHint,
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const nsAString& aModeHint, const nsAString& aActionHint);
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static void NotifyIMEChange(const PRUnichar *aText, uint32_t aTextLen, int aStart, int aEnd, int aNewEnd);
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void StartJavaProfiling(int aInterval, int aSamples);
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void StopJavaProfiling();
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void PauseJavaProfiling();
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void UnpauseJavaProfiling();
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bool GetThreadNameJavaProfiling(uint32_t aThreadId, nsCString & aResult);
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bool GetFrameNameJavaProfiling(uint32_t aThreadId, uint32_t aSampleId, uint32_t aFrameId, nsCString & aResult);
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double GetSampleTimeJavaProfiling(uint32_t aThreadId, uint32_t aSampleId);
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nsresult CaptureThumbnail(nsIDOMWindow *window, int32_t bufW, int32_t bufH, int32_t tabId, jobject buffer);
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void SendThumbnail(jobject buffer, int32_t tabId, bool success);
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nsresult GetDisplayPort(bool aPageSizeUpdate, bool aIsBrowserContentDisplayed, int32_t tabId, nsIAndroidViewport* metrics, nsIAndroidDisplayport** displayPort);
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bool ProgressiveUpdateCallback(bool aHasPendingNewThebesContent, const gfx::Rect& aDisplayPort, float aDisplayResolution, bool aDrawingCritical, gfx::Rect& aViewport, float& aScaleX, float& aScaleY);
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void AcknowledgeEvent();
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void EnableLocation(bool aEnable);
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void EnableLocationHighAccuracy(bool aEnable);
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void EnableSensor(int aSensorType);
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void DisableSensor(int aSensorType);
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void NotifyXreExit();
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void ScheduleRestart();
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void SetLayerClient(JNIEnv* env, jobject jobj);
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AndroidGeckoLayerClient &GetLayerClient() { return *mLayerClient; }
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bool GetHandlersForURL(const char *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 char *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 OpenUriExternal(const nsACString& aUriSpec, const nsACString& aMimeType,
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const nsAString& aPackageName = EmptyString(),
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const nsAString& aClassName = EmptyString(),
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const nsAString& aAction = EmptyString(),
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const nsAString& aTitle = EmptyString());
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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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void MoveTaskToBack();
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bool GetClipboardText(nsAString& aText);
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void SetClipboardText(const nsAString& aText);
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void EmptyClipboard();
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bool ClipboardHasText();
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void ShowAlertNotification(const nsAString& aImageUrl,
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const nsAString& aAlertTitle,
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const nsAString& aAlertText,
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const nsAString& aAlertData,
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nsIObserver *aAlertListener,
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const nsAString& aAlertName);
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void AlertsProgressListener_OnProgress(const nsAString& aAlertName,
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int64_t aProgress,
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int64_t aProgressMax,
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const nsAString& aAlertText);
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void CloseNotification(const nsAString& aAlertName);
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int GetDPI();
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void ShowFilePickerForExtensions(nsAString& aFilePath, const nsAString& aExtensions);
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void ShowFilePickerForMimeType(nsAString& aFilePath, const nsAString& aMimeType);
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void ShowFilePickerAsync(const nsAString& aMimeType, nsFilePickerCallback* callback);
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void PerformHapticFeedback(bool aIsLongPress);
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void Vibrate(const nsTArray<uint32_t>& aPattern);
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void CancelVibrate();
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void SetFullScreen(bool aFullScreen);
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void ShowInputMethodPicker();
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void NotifyDefaultPrevented(bool aDefaultPrevented);
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void HideProgressDialogOnce();
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bool IsNetworkLinkUp();
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bool IsNetworkLinkKnown();
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void SetSelectedLocale(const nsAString&);
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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 GetShowPasswordSetting();
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// Switch Java to composite with the Gecko Compositor thread
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void RegisterCompositor(JNIEnv* env = NULL);
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EGLSurface ProvideEGLSurface();
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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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void SetKeepScreenOn(bool on);
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void ScanMedia(const nsAString& aFile, const nsACString& aMimeType);
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void CreateShortcut(const nsAString& aTitle, const nsAString& aURI, const nsAString& aIconData, const nsAString& aIntent);
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// These next four functions are for native Bitmap access in Android 2.2+
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bool HasNativeBitmapAccess();
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bool ValidateBitmap(jobject bitmap, int width, int height);
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void *LockBitmap(jobject bitmap);
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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 UnlockBitmap(jobject bitmap);
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bool UnlockProfile();
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void KillAnyZombies();
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/* Copied from Android's native_window.h in newer (platform 9) NDK */
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enum {
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WINDOW_FORMAT_RGBA_8888 = 1,
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WINDOW_FORMAT_RGBX_8888 = 2,
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WINDOW_FORMAT_RGB_565 = 4
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};
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bool HasNativeWindowAccess();
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void *AcquireNativeWindow(JNIEnv* aEnv, jobject aSurface);
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void ReleaseNativeWindow(void *window);
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void *AcquireNativeWindowFromSurfaceTexture(JNIEnv* aEnv, jobject aSurface);
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void ReleaseNativeWindowForSurfaceTexture(void *window);
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bool LockWindow(void *window, unsigned char **bits, int *width, int *height, int *format, int *stride);
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bool UnlockWindow(void *window);
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void HandleGeckoMessage(const nsAString& message, nsAString &aRet);
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void CheckURIVisited(const nsAString& uri);
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void MarkURIVisited(const nsAString& uri);
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void SetURITitle(const nsAString& uri, const nsAString& title);
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bool InitCamera(const nsCString& contentType, uint32_t camera, uint32_t *width, uint32_t *height, uint32_t *fps);
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void CloseCamera();
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void EnableBatteryNotifications();
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void DisableBatteryNotifications();
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void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
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nsresult GetSegmentInfoForText(const nsAString& aText,
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dom::mobilemessage::SmsSegmentInfoData* aData);
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void SendMessage(const nsAString& aNumber, const nsAString& aText,
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nsIMobileMessageCallback* aRequest);
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void GetMessage(int32_t aMessageId, nsIMobileMessageCallback* aRequest);
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void DeleteMessage(int32_t aMessageId, nsIMobileMessageCallback* aRequest);
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void CreateMessageList(const dom::mobilemessage::SmsFilterData& aFilter,
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bool aReverse, nsIMobileMessageCallback* aRequest);
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void GetNextMessageInList(int32_t aListId, nsIMobileMessageCallback* aRequest);
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void ClearMessageList(int32_t aListId);
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already_AddRefed<nsIMobileMessageCallback> DequeueSmsRequest(uint32_t aRequestId);
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bool IsTablet();
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void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
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void EnableNetworkNotifications();
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void DisableNetworkNotifications();
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void SetFirstPaintViewport(const nsIntPoint& aOffset, float aZoom, const nsIntRect& aPageRect, const gfx::Rect& aCssPageRect);
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void SetPageRect(const gfx::Rect& aCssPageRect);
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void SyncViewportInfo(const nsIntRect& aDisplayPort, float aDisplayResolution, bool aLayersUpdated,
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nsIntPoint& aScrollOffset, float& aScaleX, float& aScaleY,
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gfx::Margin& aFixedLayerMargins, float& aOffsetX, float& aOffsetY);
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void SyncFrameMetrics(const gfx::Point& aOffset, float aZoom, const gfx::Rect& aCssPageRect,
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bool aLayersUpdated, const gfx::Rect& aDisplayPort, float aDisplayResolution,
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bool aIsFirstPaint, gfx::Margin& aFixedLayerMargins, float& aOffsetX, float& aOffsetY);
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void AddPluginView(jobject view, const gfxRect& rect, bool isFullScreen);
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void RemovePluginView(jobject view, bool isFullScreen);
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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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void EnableScreenOrientationNotifications();
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void DisableScreenOrientationNotifications();
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void LockScreenOrientation(uint32_t aOrientation);
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void UnlockScreenOrientation();
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bool PumpMessageLoop();
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void NotifyWakeLockChanged(const nsAString& topic, const nsAString& state);
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int GetAPIVersion() { return mAPIVersion; }
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bool IsHoneycomb() { return mAPIVersion >= 11 && mAPIVersion <= 13; }
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void ScheduleComposite();
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void RegisterSurfaceTextureFrameListener(jobject surfaceTexture, int id);
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void UnregisterSurfaceTextureFrameListener(jobject surfaceTexture);
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jclass jGeckoJavaSamplerClass;
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jmethodID jStart;
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jmethodID jStop;
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jmethodID jPause;
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jmethodID jUnpause;
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jmethodID jGetThreadName;
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jmethodID jGetFrameName;
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jmethodID jGetSampleTime;
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void GetGfxInfoData(nsACString& aRet);
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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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protected:
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static nsRefPtr<AndroidBridge> sBridge;
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nsTArray<nsCOMPtr<nsIMobileMessageCallback> > mSmsRequests;
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// the global JavaVM
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JavaVM *mJavaVM;
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// the JNIEnv for the main thread
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JNIEnv *mJNIEnv;
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void *mThread;
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AndroidGeckoLayerClient *mLayerClient;
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// the GeckoAppShell java class
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jclass mGeckoAppShellClass;
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// the android.telephony.SmsMessage class
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jclass mAndroidSmsMessageClass;
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AndroidBridge();
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~AndroidBridge();
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bool Init(JNIEnv *jEnv, jclass jGeckoApp);
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bool mOpenedGraphicsLibraries;
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void OpenGraphicsLibraries();
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void* GetNativeSurface(JNIEnv* env, jobject surface);
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bool mHasNativeBitmapAccess;
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bool mHasNativeWindowAccess;
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bool mHasNativeWindowFallback;
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int mAPIVersion;
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bool QueueSmsRequest(nsIMobileMessageCallback* aRequest, uint32_t* aRequestIdOut);
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// other things
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jmethodID jNotifyIME;
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jmethodID jNotifyIMEContext;
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jmethodID jNotifyIMEChange;
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jmethodID jAcknowledgeEvent;
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jmethodID jEnableLocation;
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jmethodID jEnableLocationHighAccuracy;
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jmethodID jEnableSensor;
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jmethodID jDisableSensor;
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jmethodID jNotifyAppShellReady;
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jmethodID jNotifyXreExit;
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jmethodID jScheduleRestart;
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jmethodID jGetOutstandingDrawEvents;
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jmethodID jGetHandlersForMimeType;
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jmethodID jGetHandlersForURL;
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jmethodID jOpenUriExternal;
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jmethodID jGetMimeTypeFromExtensions;
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jmethodID jGetExtensionFromMimeType;
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jmethodID jMoveTaskToBack;
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jmethodID jGetClipboardText;
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jmethodID jSetClipboardText;
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jmethodID jShowAlertNotification;
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jmethodID jShowFilePickerForExtensions;
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jmethodID jShowFilePickerForMimeType;
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jmethodID jShowFilePickerAsync;
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jmethodID jUnlockProfile;
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jmethodID jKillAnyZombies;
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jmethodID jAlertsProgressListener_OnProgress;
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jmethodID jCloseNotification;
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jmethodID jGetDpi;
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jmethodID jSetFullScreen;
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jmethodID jShowInputMethodPicker;
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jmethodID jNotifyDefaultPrevented;
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jmethodID jHideProgressDialog;
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jmethodID jPerformHapticFeedback;
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jmethodID jVibrate1;
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jmethodID jVibrateA;
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jmethodID jCancelVibrate;
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jmethodID jSetKeepScreenOn;
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jmethodID jIsNetworkLinkUp;
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jmethodID jIsNetworkLinkKnown;
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jmethodID jSetSelectedLocale;
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jmethodID jScanMedia;
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jmethodID jGetSystemColors;
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jmethodID jGetIconForExtension;
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jmethodID jCreateShortcut;
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jmethodID jGetShowPasswordSetting;
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jmethodID jPostToJavaThread;
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jmethodID jInitCamera;
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jmethodID jCloseCamera;
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jmethodID jIsTablet;
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jmethodID jEnableBatteryNotifications;
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jmethodID jDisableBatteryNotifications;
|
|
jmethodID jGetCurrentBatteryInformation;
|
|
jmethodID jHandleGeckoMessage;
|
|
jmethodID jCheckUriVisited;
|
|
jmethodID jMarkUriVisited;
|
|
jmethodID jSetUriTitle;
|
|
jmethodID jAddPluginView;
|
|
jmethodID jRemovePluginView;
|
|
jmethodID jCreateSurface;
|
|
jmethodID jShowSurface;
|
|
jmethodID jHideSurface;
|
|
jmethodID jDestroySurface;
|
|
jmethodID jGetProxyForURI;
|
|
|
|
jmethodID jCalculateLength;
|
|
jmethodID jSendMessage;
|
|
jmethodID jGetMessage;
|
|
jmethodID jDeleteMessage;
|
|
jmethodID jCreateMessageList;
|
|
jmethodID jGetNextMessageinList;
|
|
jmethodID jClearMessageList;
|
|
|
|
jmethodID jGetCurrentNetworkInformation;
|
|
jmethodID jEnableNetworkNotifications;
|
|
jmethodID jDisableNetworkNotifications;
|
|
|
|
jmethodID jGetScreenOrientation;
|
|
jmethodID jEnableScreenOrientationNotifications;
|
|
jmethodID jDisableScreenOrientationNotifications;
|
|
jmethodID jLockScreenOrientation;
|
|
jmethodID jUnlockScreenOrientation;
|
|
jmethodID jPumpMessageLoop;
|
|
jmethodID jNotifyWakeLockChanged;
|
|
jmethodID jRegisterSurfaceTextureFrameListener;
|
|
jmethodID jUnregisterSurfaceTextureFrameListener;
|
|
|
|
jclass jThumbnailHelperClass;
|
|
jmethodID jNotifyThumbnail;
|
|
|
|
jmethodID jGetContext;
|
|
|
|
// for GfxInfo (gfx feature detection and blacklisting)
|
|
jmethodID jGetGfxInfoData;
|
|
|
|
// For native surface stuff
|
|
jclass jSurfaceClass;
|
|
jfieldID jSurfacePointerField;
|
|
|
|
jclass jLayerView;
|
|
jmethodID jProvideEGLSurfaceMethod;
|
|
jfieldID jEGLSurfacePointerField;
|
|
jobject mGLControllerObj;
|
|
|
|
jmethodID jRequestContentRepaint;
|
|
jmethodID jPostDelayedCallback;
|
|
|
|
// some convinient types to have around
|
|
jclass jStringClass;
|
|
|
|
// 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:
|
|
jobject mNativePanZoomController;
|
|
// This will always be accessed from one thread (the APZC "controller"
|
|
// thread, which is the Java UI thread), so we don't need to do locking
|
|
// to touch it
|
|
nsTArray<DelayedTask*> mDelayedTaskQueue;
|
|
|
|
public:
|
|
jobject SetNativePanZoomController(jobject obj);
|
|
// GeckoContentController methods
|
|
void RequestContentRepaint(const mozilla::layers::FrameMetrics& aFrameMetrics) MOZ_OVERRIDE;
|
|
void HandleDoubleTap(const nsIntPoint& aPoint) MOZ_OVERRIDE;
|
|
void HandleSingleTap(const nsIntPoint& aPoint) MOZ_OVERRIDE;
|
|
void HandleLongTap(const nsIntPoint& aPoint) MOZ_OVERRIDE;
|
|
void SendAsyncScrollDOMEvent(const gfx::Rect& aContentRect, const gfx::Size& aScrollableSize) MOZ_OVERRIDE;
|
|
void PostDelayedTask(Task* aTask, int aDelayMs) MOZ_OVERRIDE;
|
|
int64_t RunDelayedTasks();
|
|
};
|
|
|
|
class AutoJObject {
|
|
public:
|
|
AutoJObject(JNIEnv* aJNIEnv = NULL) : mObject(NULL)
|
|
{
|
|
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 = 128)
|
|
: mEntries(nEntries), mHasFrameBeenPushed(false)
|
|
{
|
|
mJNIEnv = AndroidBridge::GetJNIEnv();
|
|
Push();
|
|
}
|
|
|
|
AutoLocalJNIFrame(JNIEnv* aJNIEnv, int nEntries = 128)
|
|
: mEntries(nEntries), mHasFrameBeenPushed(false)
|
|
{
|
|
mJNIEnv = aJNIEnv ? aJNIEnv : AndroidBridge::GetJNIEnv();
|
|
|
|
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() {
|
|
if (mJNIEnv) {
|
|
if (mHasFrameBeenPushed)
|
|
mJNIEnv->PopLocalFrame(NULL);
|
|
Push();
|
|
}
|
|
}
|
|
|
|
JNIEnv* GetEnv() {
|
|
return mJNIEnv;
|
|
}
|
|
|
|
bool CheckForException() {
|
|
if (mJNIEnv->ExceptionCheck()) {
|
|
mJNIEnv->ExceptionDescribe();
|
|
mJNIEnv->ExceptionClear();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
~AutoLocalJNIFrame() {
|
|
if (!mJNIEnv)
|
|
return;
|
|
|
|
CheckForException();
|
|
|
|
if (mHasFrameBeenPushed)
|
|
mJNIEnv->PopLocalFrame(NULL);
|
|
}
|
|
|
|
private:
|
|
void Push() {
|
|
if (!mJNIEnv)
|
|
return;
|
|
|
|
// 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.
|
|
jint ret = mJNIEnv->PushLocalFrame(mEntries + 1);
|
|
NS_ABORT_IF_FALSE(ret == 0, "Failed to push local JNI frame");
|
|
if (ret < 0)
|
|
CheckForException();
|
|
else
|
|
mHasFrameBeenPushed = true;
|
|
}
|
|
|
|
int mEntries;
|
|
JNIEnv* mJNIEnv;
|
|
bool mHasFrameBeenPushed;
|
|
};
|
|
|
|
}
|
|
|
|
#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:
|
|
};
|
|
|
|
#endif /* AndroidBridge_h__ */
|