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Diffstat (limited to 'widget/gonk/libui/PointerController.cpp')
| -rw-r--r-- | widget/gonk/libui/PointerController.cpp | 604 |
1 files changed, 0 insertions, 604 deletions
diff --git a/widget/gonk/libui/PointerController.cpp b/widget/gonk/libui/PointerController.cpp deleted file mode 100644 index ff80a0a9f..000000000 --- a/widget/gonk/libui/PointerController.cpp +++ /dev/null @@ -1,604 +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. - */ - -#define LOG_TAG "PointerController" - -//#define LOG_NDEBUG 0 - -// Log debug messages about pointer updates -#define DEBUG_POINTER_UPDATES 0 - -#include "PointerController.h" - -#include "cutils_log.h" - -#include <SkBitmap.h> -#include <SkCanvas.h> -#include <SkColor.h> -#include <SkPaint.h> -#include <SkXfermode.h> - -namespace android { - -// --- PointerController --- - -// Time to wait before starting the fade when the pointer is inactive. -static const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL = 15 * 1000 * 1000000LL; // 15 seconds -static const nsecs_t INACTIVITY_TIMEOUT_DELAY_TIME_SHORT = 3 * 1000 * 1000000LL; // 3 seconds - -// Time to wait between animation frames. -static const nsecs_t ANIMATION_FRAME_INTERVAL = 1000000000LL / 60; - -// Time to spend fading out the spot completely. -static const nsecs_t SPOT_FADE_DURATION = 200 * 1000000LL; // 200 ms - -// Time to spend fading out the pointer completely. -static const nsecs_t POINTER_FADE_DURATION = 500 * 1000000LL; // 500 ms - - -// --- PointerController --- - -PointerController::PointerController(const sp<PointerControllerPolicyInterface>& policy, - const sp<Looper>& looper, const sp<SpriteController>& spriteController) : - mPolicy(policy), mLooper(looper), mSpriteController(spriteController) { - mHandler = new WeakMessageHandler(this); - - AutoMutex _l(mLock); - - mLocked.animationPending = false; - - mLocked.displayWidth = -1; - mLocked.displayHeight = -1; - mLocked.displayOrientation = DISPLAY_ORIENTATION_0; - - mLocked.presentation = PRESENTATION_POINTER; - mLocked.presentationChanged = false; - - mLocked.inactivityTimeout = INACTIVITY_TIMEOUT_NORMAL; - - mLocked.pointerFadeDirection = 0; - mLocked.pointerX = 0; - mLocked.pointerY = 0; - mLocked.pointerAlpha = 0.0f; // pointer is initially faded - mLocked.pointerSprite = mSpriteController->createSprite(); - mLocked.pointerIconChanged = false; - - mLocked.buttonState = 0; - - loadResources(); -} - -PointerController::~PointerController() { - mLooper->removeMessages(mHandler); - - AutoMutex _l(mLock); - - mLocked.pointerSprite.clear(); - - for (size_t i = 0; i < mLocked.spots.size(); i++) { - delete mLocked.spots.itemAt(i); - } - mLocked.spots.clear(); - mLocked.recycledSprites.clear(); -} - -bool PointerController::getBounds(float* outMinX, float* outMinY, - float* outMaxX, float* outMaxY) const { - AutoMutex _l(mLock); - - return getBoundsLocked(outMinX, outMinY, outMaxX, outMaxY); -} - -bool PointerController::getBoundsLocked(float* outMinX, float* outMinY, - float* outMaxX, float* outMaxY) const { - if (mLocked.displayWidth <= 0 || mLocked.displayHeight <= 0) { - return false; - } - - *outMinX = 0; - *outMinY = 0; - switch (mLocked.displayOrientation) { - case DISPLAY_ORIENTATION_90: - case DISPLAY_ORIENTATION_270: - *outMaxX = mLocked.displayHeight - 1; - *outMaxY = mLocked.displayWidth - 1; - break; - default: - *outMaxX = mLocked.displayWidth - 1; - *outMaxY = mLocked.displayHeight - 1; - break; - } - return true; -} - -void PointerController::move(float deltaX, float deltaY) { -#if DEBUG_POINTER_UPDATES - ALOGD("Move pointer by deltaX=%0.3f, deltaY=%0.3f", deltaX, deltaY); -#endif - if (deltaX == 0.0f && deltaY == 0.0f) { - return; - } - - AutoMutex _l(mLock); - - setPositionLocked(mLocked.pointerX + deltaX, mLocked.pointerY + deltaY); -} - -void PointerController::setButtonState(int32_t buttonState) { -#if DEBUG_POINTER_UPDATES - ALOGD("Set button state 0x%08x", buttonState); -#endif - AutoMutex _l(mLock); - - if (mLocked.buttonState != buttonState) { - mLocked.buttonState = buttonState; - } -} - -int32_t PointerController::getButtonState() const { - AutoMutex _l(mLock); - - return mLocked.buttonState; -} - -void PointerController::setPosition(float x, float y) { -#if DEBUG_POINTER_UPDATES - ALOGD("Set pointer position to x=%0.3f, y=%0.3f", x, y); -#endif - AutoMutex _l(mLock); - - setPositionLocked(x, y); -} - -void PointerController::setPositionLocked(float x, float y) { - float minX, minY, maxX, maxY; - if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) { - if (x <= minX) { - mLocked.pointerX = minX; - } else if (x >= maxX) { - mLocked.pointerX = maxX; - } else { - mLocked.pointerX = x; - } - if (y <= minY) { - mLocked.pointerY = minY; - } else if (y >= maxY) { - mLocked.pointerY = maxY; - } else { - mLocked.pointerY = y; - } - updatePointerLocked(); - } -} - -void PointerController::getPosition(float* outX, float* outY) const { - AutoMutex _l(mLock); - - *outX = mLocked.pointerX; - *outY = mLocked.pointerY; -} - -void PointerController::fade(Transition transition) { - AutoMutex _l(mLock); - - // Remove the inactivity timeout, since we are fading now. - removeInactivityTimeoutLocked(); - - // Start fading. - if (transition == TRANSITION_IMMEDIATE) { - mLocked.pointerFadeDirection = 0; - mLocked.pointerAlpha = 0.0f; - updatePointerLocked(); - } else { - mLocked.pointerFadeDirection = -1; - startAnimationLocked(); - } -} - -void PointerController::unfade(Transition transition) { - AutoMutex _l(mLock); - - // Always reset the inactivity timer. - resetInactivityTimeoutLocked(); - - // Start unfading. - if (transition == TRANSITION_IMMEDIATE) { - mLocked.pointerFadeDirection = 0; - mLocked.pointerAlpha = 1.0f; - updatePointerLocked(); - } else { - mLocked.pointerFadeDirection = 1; - startAnimationLocked(); - } -} - -void PointerController::setPresentation(Presentation presentation) { - AutoMutex _l(mLock); - - if (mLocked.presentation != presentation) { - mLocked.presentation = presentation; - mLocked.presentationChanged = true; - - if (presentation != PRESENTATION_SPOT) { - fadeOutAndReleaseAllSpotsLocked(); - } - - updatePointerLocked(); - } -} - -void PointerController::setSpots(const PointerCoords* spotCoords, - const uint32_t* spotIdToIndex, BitSet32 spotIdBits) { -#if DEBUG_POINTER_UPDATES - ALOGD("setSpots: idBits=%08x", spotIdBits.value); - for (BitSet32 idBits(spotIdBits); !idBits.isEmpty(); ) { - uint32_t id = idBits.firstMarkedBit(); - idBits.clearBit(id); - const PointerCoords& c = spotCoords[spotIdToIndex[id]]; - ALOGD(" spot %d: position=(%0.3f, %0.3f), pressure=%0.3f", id, - c.getAxisValue(AMOTION_EVENT_AXIS_X), - c.getAxisValue(AMOTION_EVENT_AXIS_Y), - c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE)); - } -#endif - - AutoMutex _l(mLock); - - mSpriteController->openTransaction(); - - // Add or move spots for fingers that are down. - for (BitSet32 idBits(spotIdBits); !idBits.isEmpty(); ) { - uint32_t id = idBits.clearFirstMarkedBit(); - const PointerCoords& c = spotCoords[spotIdToIndex[id]]; - const SpriteIcon& icon = c.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE) > 0 - ? mResources.spotTouch : mResources.spotHover; - float x = c.getAxisValue(AMOTION_EVENT_AXIS_X); - float y = c.getAxisValue(AMOTION_EVENT_AXIS_Y); - - Spot* spot = getSpotLocked(id); - if (!spot) { - spot = createAndAddSpotLocked(id); - } - - spot->updateSprite(&icon, x, y); - } - - // Remove spots for fingers that went up. - for (size_t i = 0; i < mLocked.spots.size(); i++) { - Spot* spot = mLocked.spots.itemAt(i); - if (spot->id != Spot::INVALID_ID - && !spotIdBits.hasBit(spot->id)) { - fadeOutAndReleaseSpotLocked(spot); - } - } - - mSpriteController->closeTransaction(); -} - -void PointerController::clearSpots() { -#if DEBUG_POINTER_UPDATES - ALOGD("clearSpots"); -#endif - - AutoMutex _l(mLock); - - fadeOutAndReleaseAllSpotsLocked(); -} - -void PointerController::setInactivityTimeout(InactivityTimeout inactivityTimeout) { - AutoMutex _l(mLock); - - if (mLocked.inactivityTimeout != inactivityTimeout) { - mLocked.inactivityTimeout = inactivityTimeout; - resetInactivityTimeoutLocked(); - } -} - -void PointerController::setDisplayViewport(int32_t width, int32_t height, int32_t orientation) { - AutoMutex _l(mLock); - - // Adjust to use the display's unrotated coordinate frame. - if (orientation == DISPLAY_ORIENTATION_90 - || orientation == DISPLAY_ORIENTATION_270) { - int32_t temp = height; - height = width; - width = temp; - } - - if (mLocked.displayWidth != width || mLocked.displayHeight != height) { - mLocked.displayWidth = width; - mLocked.displayHeight = height; - - float minX, minY, maxX, maxY; - if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) { - mLocked.pointerX = (minX + maxX) * 0.5f; - mLocked.pointerY = (minY + maxY) * 0.5f; - } else { - mLocked.pointerX = 0; - mLocked.pointerY = 0; - } - - fadeOutAndReleaseAllSpotsLocked(); - } - - if (mLocked.displayOrientation != orientation) { - // Apply offsets to convert from the pixel top-left corner position to the pixel center. - // This creates an invariant frame of reference that we can easily rotate when - // taking into account that the pointer may be located at fractional pixel offsets. - float x = mLocked.pointerX + 0.5f; - float y = mLocked.pointerY + 0.5f; - float temp; - - // Undo the previous rotation. - switch (mLocked.displayOrientation) { - case DISPLAY_ORIENTATION_90: - temp = x; - x = mLocked.displayWidth - y; - y = temp; - break; - case DISPLAY_ORIENTATION_180: - x = mLocked.displayWidth - x; - y = mLocked.displayHeight - y; - break; - case DISPLAY_ORIENTATION_270: - temp = x; - x = y; - y = mLocked.displayHeight - temp; - break; - } - - // Perform the new rotation. - switch (orientation) { - case DISPLAY_ORIENTATION_90: - temp = x; - x = y; - y = mLocked.displayWidth - temp; - break; - case DISPLAY_ORIENTATION_180: - x = mLocked.displayWidth - x; - y = mLocked.displayHeight - y; - break; - case DISPLAY_ORIENTATION_270: - temp = x; - x = mLocked.displayHeight - y; - y = temp; - break; - } - - // Apply offsets to convert from the pixel center to the pixel top-left corner position - // and save the results. - mLocked.pointerX = x - 0.5f; - mLocked.pointerY = y - 0.5f; - mLocked.displayOrientation = orientation; - } - - updatePointerLocked(); -} - -void PointerController::setPointerIcon(const SpriteIcon& icon) { - AutoMutex _l(mLock); - - mLocked.pointerIcon = icon.copy(); - mLocked.pointerIconChanged = true; - - updatePointerLocked(); -} - -void PointerController::handleMessage(const Message& message) { - switch (message.what) { - case MSG_ANIMATE: - doAnimate(); - break; - case MSG_INACTIVITY_TIMEOUT: - doInactivityTimeout(); - break; - } -} - -void PointerController::doAnimate() { - AutoMutex _l(mLock); - - bool keepAnimating = false; - mLocked.animationPending = false; - nsecs_t frameDelay = systemTime(SYSTEM_TIME_MONOTONIC) - mLocked.animationTime; - - // Animate pointer fade. - if (mLocked.pointerFadeDirection < 0) { - mLocked.pointerAlpha -= float(frameDelay) / POINTER_FADE_DURATION; - if (mLocked.pointerAlpha <= 0.0f) { - mLocked.pointerAlpha = 0.0f; - mLocked.pointerFadeDirection = 0; - } else { - keepAnimating = true; - } - updatePointerLocked(); - } else if (mLocked.pointerFadeDirection > 0) { - mLocked.pointerAlpha += float(frameDelay) / POINTER_FADE_DURATION; - if (mLocked.pointerAlpha >= 1.0f) { - mLocked.pointerAlpha = 1.0f; - mLocked.pointerFadeDirection = 0; - } else { - keepAnimating = true; - } - updatePointerLocked(); - } - - // Animate spots that are fading out and being removed. - for (size_t i = 0; i < mLocked.spots.size(); i++) { - Spot* spot = mLocked.spots.itemAt(i); - if (spot->id == Spot::INVALID_ID) { - spot->alpha -= float(frameDelay) / SPOT_FADE_DURATION; - if (spot->alpha <= 0) { - mLocked.spots.removeAt(i--); - releaseSpotLocked(spot); - } else { - spot->sprite->setAlpha(spot->alpha); - keepAnimating = true; - } - } - } - - if (keepAnimating) { - startAnimationLocked(); - } -} - -void PointerController::doInactivityTimeout() { - fade(TRANSITION_GRADUAL); -} - -void PointerController::startAnimationLocked() { - if (!mLocked.animationPending) { - mLocked.animationPending = true; - mLocked.animationTime = systemTime(SYSTEM_TIME_MONOTONIC); - mLooper->sendMessageDelayed(ANIMATION_FRAME_INTERVAL, mHandler, Message(MSG_ANIMATE)); - } -} - -void PointerController::resetInactivityTimeoutLocked() { - mLooper->removeMessages(mHandler, MSG_INACTIVITY_TIMEOUT); - - nsecs_t timeout = mLocked.inactivityTimeout == INACTIVITY_TIMEOUT_SHORT - ? INACTIVITY_TIMEOUT_DELAY_TIME_SHORT : INACTIVITY_TIMEOUT_DELAY_TIME_NORMAL; - mLooper->sendMessageDelayed(timeout, mHandler, MSG_INACTIVITY_TIMEOUT); -} - -void PointerController::removeInactivityTimeoutLocked() { - mLooper->removeMessages(mHandler, MSG_INACTIVITY_TIMEOUT); -} - -void PointerController::updatePointerLocked() { - mSpriteController->openTransaction(); - - mLocked.pointerSprite->setLayer(Sprite::BASE_LAYER_POINTER); - mLocked.pointerSprite->setPosition(mLocked.pointerX, mLocked.pointerY); - - if (mLocked.pointerAlpha > 0) { - mLocked.pointerSprite->setAlpha(mLocked.pointerAlpha); - mLocked.pointerSprite->setVisible(true); - } else { - mLocked.pointerSprite->setVisible(false); - } - - if (mLocked.pointerIconChanged || mLocked.presentationChanged) { - mLocked.pointerSprite->setIcon(mLocked.presentation == PRESENTATION_POINTER - ? mLocked.pointerIcon : mResources.spotAnchor); - mLocked.pointerIconChanged = false; - mLocked.presentationChanged = false; - } - - mSpriteController->closeTransaction(); -} - -PointerController::Spot* PointerController::getSpotLocked(uint32_t id) { - for (size_t i = 0; i < mLocked.spots.size(); i++) { - Spot* spot = mLocked.spots.itemAt(i); - if (spot->id == id) { - return spot; - } - } - return NULL; -} - -PointerController::Spot* PointerController::createAndAddSpotLocked(uint32_t id) { - // Remove spots until we have fewer than MAX_SPOTS remaining. - while (mLocked.spots.size() >= MAX_SPOTS) { - Spot* spot = removeFirstFadingSpotLocked(); - if (!spot) { - spot = mLocked.spots.itemAt(0); - mLocked.spots.removeAt(0); - } - releaseSpotLocked(spot); - } - - // Obtain a sprite from the recycled pool. - sp<Sprite> sprite; - if (! mLocked.recycledSprites.isEmpty()) { - sprite = mLocked.recycledSprites.top(); - mLocked.recycledSprites.pop(); - } else { - sprite = mSpriteController->createSprite(); - } - - // Return the new spot. - Spot* spot = new Spot(id, sprite); - mLocked.spots.push(spot); - return spot; -} - -PointerController::Spot* PointerController::removeFirstFadingSpotLocked() { - for (size_t i = 0; i < mLocked.spots.size(); i++) { - Spot* spot = mLocked.spots.itemAt(i); - if (spot->id == Spot::INVALID_ID) { - mLocked.spots.removeAt(i); - return spot; - } - } - return NULL; -} - -void PointerController::releaseSpotLocked(Spot* spot) { - spot->sprite->clearIcon(); - - if (mLocked.recycledSprites.size() < MAX_RECYCLED_SPRITES) { - mLocked.recycledSprites.push(spot->sprite); - } - - delete spot; -} - -void PointerController::fadeOutAndReleaseSpotLocked(Spot* spot) { - if (spot->id != Spot::INVALID_ID) { - spot->id = Spot::INVALID_ID; - startAnimationLocked(); - } -} - -void PointerController::fadeOutAndReleaseAllSpotsLocked() { - for (size_t i = 0; i < mLocked.spots.size(); i++) { - Spot* spot = mLocked.spots.itemAt(i); - fadeOutAndReleaseSpotLocked(spot); - } -} - -void PointerController::loadResources() { - mPolicy->loadPointerResources(&mResources); -} - - -// --- PointerController::Spot --- - -void PointerController::Spot::updateSprite(const SpriteIcon* icon, float x, float y) { - sprite->setLayer(Sprite::BASE_LAYER_SPOT + id); - sprite->setAlpha(alpha); - sprite->setTransformationMatrix(SpriteTransformationMatrix(scale, 0.0f, 0.0f, scale)); - sprite->setPosition(x, y); - - this->x = x; - this->y = y; - - if (icon != lastIcon) { - lastIcon = icon; - if (icon) { - sprite->setIcon(*icon); - sprite->setVisible(true); - } else { - sprite->setVisible(false); - } - } -} - -} // namespace android |