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Diffstat (limited to 'widget/gonk/libui/PointerController.h')
| -rw-r--r-- | widget/gonk/libui/PointerController.h | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/widget/gonk/libui/PointerController.h b/widget/gonk/libui/PointerController.h deleted file mode 100644 index eb48d9a1f..000000000 --- a/widget/gonk/libui/PointerController.h +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef _UI_POINTER_CONTROLLER_H -#define _UI_POINTER_CONTROLLER_H - -#include "SpriteController.h" - -#include <ui/DisplayInfo.h> -#include "Input.h" -#include <utils/BitSet.h> -#include <utils/RefBase.h> -#include <utils/Looper.h> -#include <utils/String8.h> - -#include <SkBitmap.h> - -namespace android { - -/** - * Interface for tracking a mouse / touch pad pointer and touch pad spots. - * - * The spots are sprites on screen that visually represent the positions of - * fingers - * - * The pointer controller is responsible for providing synchronization and for tracking - * display orientation changes if needed. - */ -class PointerControllerInterface : public virtual RefBase { -protected: - PointerControllerInterface() { } - virtual ~PointerControllerInterface() { } - -public: - /* Gets the bounds of the region that the pointer can traverse. - * Returns true if the bounds are available. */ - virtual bool getBounds(float* outMinX, float* outMinY, - float* outMaxX, float* outMaxY) const = 0; - - /* Move the pointer. */ - virtual void move(float deltaX, float deltaY) = 0; - - /* Sets a mask that indicates which buttons are pressed. */ - virtual void setButtonState(int32_t buttonState) = 0; - - /* Gets a mask that indicates which buttons are pressed. */ - virtual int32_t getButtonState() const = 0; - - /* Sets the absolute location of the pointer. */ - virtual void setPosition(float x, float y) = 0; - - /* Gets the absolute location of the pointer. */ - virtual void getPosition(float* outX, float* outY) const = 0; - - enum Transition { - // Fade/unfade immediately. - TRANSITION_IMMEDIATE, - // Fade/unfade gradually. - TRANSITION_GRADUAL, - }; - - /* Fades the pointer out now. */ - virtual void fade(Transition transition) = 0; - - /* Makes the pointer visible if it has faded out. - * The pointer never unfades itself automatically. This method must be called - * by the client whenever the pointer is moved or a button is pressed and it - * wants to ensure that the pointer becomes visible again. */ - virtual void unfade(Transition transition) = 0; - - enum Presentation { - // Show the mouse pointer. - PRESENTATION_POINTER, - // Show spots and a spot anchor in place of the mouse pointer. - PRESENTATION_SPOT, - }; - - /* Sets the mode of the pointer controller. */ - virtual void setPresentation(Presentation presentation) = 0; - - /* Sets the spots for the current gesture. - * The spots are not subject to the inactivity timeout like the pointer - * itself it since they are expected to remain visible for so long as - * the fingers are on the touch pad. - * - * The values of the AMOTION_EVENT_AXIS_PRESSURE axis is significant. - * For spotCoords, pressure != 0 indicates that the spot's location is being - * pressed (not hovering). - */ - virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex, - BitSet32 spotIdBits) = 0; - - /* Removes all spots. */ - virtual void clearSpots() = 0; -}; - - -/* - * Pointer resources. - */ -struct PointerResources { - SpriteIcon spotHover; - SpriteIcon spotTouch; - SpriteIcon spotAnchor; -}; - - -/* - * Pointer controller policy interface. - * - * The pointer controller policy is used by the pointer controller to interact with - * the Window Manager and other system components. - * - * The actual implementation is partially supported by callbacks into the DVM - * via JNI. This interface is also mocked in the unit tests. - */ -class PointerControllerPolicyInterface : public virtual RefBase { -protected: - PointerControllerPolicyInterface() { } - virtual ~PointerControllerPolicyInterface() { } - -public: - virtual void loadPointerResources(PointerResources* outResources) = 0; -}; - - -/* - * Tracks pointer movements and draws the pointer sprite to a surface. - * - * Handles pointer acceleration and animation. - */ -class PointerController : public PointerControllerInterface, public MessageHandler { -protected: - virtual ~PointerController(); - -public: - enum InactivityTimeout { - INACTIVITY_TIMEOUT_NORMAL = 0, - INACTIVITY_TIMEOUT_SHORT = 1, - }; - - PointerController(const sp<PointerControllerPolicyInterface>& policy, - const sp<Looper>& looper, const sp<SpriteController>& spriteController); - - virtual bool getBounds(float* outMinX, float* outMinY, - float* outMaxX, float* outMaxY) const; - virtual void move(float deltaX, float deltaY); - virtual void setButtonState(int32_t buttonState); - virtual int32_t getButtonState() const; - virtual void setPosition(float x, float y); - virtual void getPosition(float* outX, float* outY) const; - virtual void fade(Transition transition); - virtual void unfade(Transition transition); - - virtual void setPresentation(Presentation presentation); - virtual void setSpots(const PointerCoords* spotCoords, - const uint32_t* spotIdToIndex, BitSet32 spotIdBits); - virtual void clearSpots(); - - void setDisplayViewport(int32_t width, int32_t height, int32_t orientation); - void setPointerIcon(const SpriteIcon& icon); - void setInactivityTimeout(InactivityTimeout inactivityTimeout); - -private: - static const size_t MAX_RECYCLED_SPRITES = 12; - static const size_t MAX_SPOTS = 12; - - enum { - MSG_ANIMATE, - MSG_INACTIVITY_TIMEOUT, - }; - - struct Spot { - static const uint32_t INVALID_ID = 0xffffffff; - - uint32_t id; - sp<Sprite> sprite; - float alpha; - float scale; - float x, y; - - inline Spot(uint32_t id, const sp<Sprite>& sprite) - : id(id), sprite(sprite), alpha(1.0f), scale(1.0f), - x(0.0f), y(0.0f), lastIcon(NULL) { } - - void updateSprite(const SpriteIcon* icon, float x, float y); - - private: - const SpriteIcon* lastIcon; - }; - - mutable Mutex mLock; - - sp<PointerControllerPolicyInterface> mPolicy; - sp<Looper> mLooper; - sp<SpriteController> mSpriteController; - sp<WeakMessageHandler> mHandler; - - PointerResources mResources; - - struct Locked { - bool animationPending; - nsecs_t animationTime; - - int32_t displayWidth; - int32_t displayHeight; - int32_t displayOrientation; - - InactivityTimeout inactivityTimeout; - - Presentation presentation; - bool presentationChanged; - - int32_t pointerFadeDirection; - float pointerX; - float pointerY; - float pointerAlpha; - sp<Sprite> pointerSprite; - SpriteIcon pointerIcon; - bool pointerIconChanged; - - int32_t buttonState; - - Vector<Spot*> spots; - Vector<sp<Sprite> > recycledSprites; - } mLocked; - - bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const; - void setPositionLocked(float x, float y); - - void handleMessage(const Message& message); - void doAnimate(); - void doInactivityTimeout(); - - void startAnimationLocked(); - - void resetInactivityTimeoutLocked(); - void removeInactivityTimeoutLocked(); - void updatePointerLocked(); - - Spot* getSpotLocked(uint32_t id); - Spot* createAndAddSpotLocked(uint32_t id); - Spot* removeFirstFadingSpotLocked(); - void releaseSpotLocked(Spot* spot); - void fadeOutAndReleaseSpotLocked(Spot* spot); - void fadeOutAndReleaseAllSpotsLocked(); - - void loadResources(); -}; - -} // namespace android - -#endif // _UI_POINTER_CONTROLLER_H |