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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java')
-rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java new file mode 100644 index 000000000..6b643c85b --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/NativePanZoomController.java @@ -0,0 +1,300 @@ +/* -*- Mode: Java; 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/. */ + +package org.mozilla.gecko.gfx; + +import org.mozilla.gecko.GeckoAppShell; +import org.mozilla.gecko.GeckoThread; +import org.mozilla.gecko.PrefsHelper; +import org.mozilla.gecko.annotation.WrapForJNI; +import org.mozilla.gecko.gfx.DynamicToolbarAnimator.PinReason; +import org.mozilla.gecko.mozglue.JNIObject; +import org.mozilla.gecko.util.ThreadUtils; + +import org.json.JSONObject; + +import android.graphics.PointF; +import android.util.TypedValue; +import android.view.KeyEvent; +import android.view.MotionEvent; +import android.view.View; +import android.view.InputDevice; + +class NativePanZoomController extends JNIObject implements PanZoomController { + private final PanZoomTarget mTarget; + private final LayerView mView; + private boolean mDestroyed; + private Overscroll mOverscroll; + boolean mNegateWheelScroll; + private float mPointerScrollFactor; + private PrefsHelper.PrefHandler mPrefsObserver; + private long mLastDownTime; + private static final float MAX_SCROLL = 0.075f * GeckoAppShell.getDpi(); + + @WrapForJNI(calledFrom = "ui") + private native boolean handleMotionEvent( + int action, int actionIndex, long time, int metaState, + int pointerId[], float x[], float y[], float orientation[], float pressure[], + float toolMajor[], float toolMinor[]); + + @WrapForJNI(calledFrom = "ui") + private native boolean handleScrollEvent( + long time, int metaState, + float x, float y, + float hScroll, float vScroll); + + @WrapForJNI(calledFrom = "ui") + private native boolean handleMouseEvent( + int action, long time, int metaState, + float x, float y, int buttons); + + @WrapForJNI(calledFrom = "ui") + private native void handleMotionEventVelocity(long time, float ySpeed); + + private boolean handleMotionEvent(MotionEvent event) { + if (mDestroyed) { + return false; + } + + final int action = event.getActionMasked(); + final int count = event.getPointerCount(); + + if (action == MotionEvent.ACTION_DOWN) { + mLastDownTime = event.getDownTime(); + } else if (mLastDownTime != event.getDownTime()) { + return false; + } + + final int[] pointerId = new int[count]; + final float[] x = new float[count]; + final float[] y = new float[count]; + final float[] orientation = new float[count]; + final float[] pressure = new float[count]; + final float[] toolMajor = new float[count]; + final float[] toolMinor = new float[count]; + + final MotionEvent.PointerCoords coords = new MotionEvent.PointerCoords(); + + for (int i = 0; i < count; i++) { + pointerId[i] = event.getPointerId(i); + event.getPointerCoords(i, coords); + + x[i] = coords.x; + y[i] = coords.y; + + orientation[i] = coords.orientation; + pressure[i] = coords.pressure; + + // If we are converting to CSS pixels, we should adjust the radii as well. + toolMajor[i] = coords.toolMajor; + toolMinor[i] = coords.toolMinor; + } + + return handleMotionEvent(action, event.getActionIndex(), event.getEventTime(), + event.getMetaState(), pointerId, x, y, orientation, pressure, + toolMajor, toolMinor); + } + + private boolean handleScrollEvent(MotionEvent event) { + if (mDestroyed) { + return false; + } + + final int count = event.getPointerCount(); + + if (count <= 0) { + return false; + } + + final MotionEvent.PointerCoords coords = new MotionEvent.PointerCoords(); + event.getPointerCoords(0, coords); + final float x = coords.x; + final float y = coords.y; + + final float flipFactor = mNegateWheelScroll ? -1.0f : 1.0f; + final float hScroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL) * flipFactor * mPointerScrollFactor; + final float vScroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL) * flipFactor * mPointerScrollFactor; + + return handleScrollEvent(event.getEventTime(), event.getMetaState(), x, y, hScroll, vScroll); + } + + private boolean handleMouseEvent(MotionEvent event) { + if (mDestroyed) { + return false; + } + + final int count = event.getPointerCount(); + + if (count <= 0) { + return false; + } + + final MotionEvent.PointerCoords coords = new MotionEvent.PointerCoords(); + event.getPointerCoords(0, coords); + final float x = coords.x; + final float y = coords.y; + + return handleMouseEvent(event.getActionMasked(), event.getEventTime(), event.getMetaState(), x, y, event.getButtonState()); + } + + + NativePanZoomController(PanZoomTarget target, View view) { + mTarget = target; + mView = (LayerView) view; + mDestroyed = true; + + String[] prefs = { "ui.scrolling.negate_wheel_scroll" }; + mPrefsObserver = new PrefsHelper.PrefHandlerBase() { + @Override public void prefValue(String pref, boolean value) { + if (pref.equals("ui.scrolling.negate_wheel_scroll")) { + mNegateWheelScroll = value; + } + } + }; + PrefsHelper.addObserver(prefs, mPrefsObserver); + + TypedValue outValue = new TypedValue(); + if (view.getContext().getTheme().resolveAttribute(android.R.attr.listPreferredItemHeight, outValue, true)) { + mPointerScrollFactor = outValue.getDimension(view.getContext().getResources().getDisplayMetrics()); + } else { + mPointerScrollFactor = MAX_SCROLL; + } + } + + @Override + public boolean onTouchEvent(MotionEvent event) { +// NOTE: This commented out block of code allows Fennec to generate +// mouse event instead of converting them to touch events. +// This gives Fennec similar behaviour to desktop when using +// a mouse. +// +// if (event.getToolType(0) == MotionEvent.TOOL_TYPE_MOUSE) { +// return handleMouseEvent(event); +// } else { +// return handleMotionEvent(event); +// } + return handleMotionEvent(event); + } + + @Override + public boolean onMotionEvent(MotionEvent event) { + final int action = event.getActionMasked(); + if (action == MotionEvent.ACTION_SCROLL) { + if (event.getDownTime() >= mLastDownTime) { + mLastDownTime = event.getDownTime(); + } else if ((InputDevice.getDevice(event.getDeviceId()).getSources() & InputDevice.SOURCE_TOUCHPAD) == InputDevice.SOURCE_TOUCHPAD) { + return false; + } + return handleScrollEvent(event); + } else if ((action == MotionEvent.ACTION_HOVER_MOVE) || + (action == MotionEvent.ACTION_HOVER_ENTER) || + (action == MotionEvent.ACTION_HOVER_EXIT)) { + return handleMouseEvent(event); + } else { + return false; + } + } + + @Override + public void onMotionEventVelocity(final long aEventTime, final float aSpeedY) { + handleMotionEventVelocity(aEventTime, aSpeedY); + } + + @Override @WrapForJNI(calledFrom = "ui") // PanZoomController + public void destroy() { + if (mPrefsObserver != null) { + PrefsHelper.removeObserver(mPrefsObserver); + mPrefsObserver = null; + } + if (mDestroyed || !mTarget.isGeckoReady()) { + return; + } + mDestroyed = true; + disposeNative(); + } + + @Override + public void attach() { + mDestroyed = false; + } + + @WrapForJNI(calledFrom = "ui", dispatchTo = "gecko") @Override // JNIObject + protected native void disposeNative(); + + @Override + public void setOverscrollHandler(final Overscroll handler) { + mOverscroll = handler; + } + + @WrapForJNI(stubName = "SetIsLongpressEnabled") // Called from test thread. + private native void nativeSetIsLongpressEnabled(boolean isLongpressEnabled); + + @Override // PanZoomController + public void setIsLongpressEnabled(boolean isLongpressEnabled) { + if (!mDestroyed) { + nativeSetIsLongpressEnabled(isLongpressEnabled); + } + } + + @WrapForJNI(calledFrom = "ui") + private native void adjustScrollForSurfaceShift(float aX, float aY); + + @Override // PanZoomController + public ImmutableViewportMetrics adjustScrollForSurfaceShift(ImmutableViewportMetrics aMetrics, PointF aShift) { + adjustScrollForSurfaceShift(aShift.x, aShift.y); + return aMetrics.offsetViewportByAndClamp(aShift.x, aShift.y); + } + + @WrapForJNI + private void updateOverscrollVelocity(final float x, final float y) { + if (mOverscroll != null) { + if (ThreadUtils.isOnUiThread() == true) { + mOverscroll.setVelocity(x * 1000.0f, Overscroll.Axis.X); + mOverscroll.setVelocity(y * 1000.0f, Overscroll.Axis.Y); + } else { + ThreadUtils.postToUiThread(new Runnable() { + @Override + public void run() { + // Multiply the velocity by 1000 to match what was done in JPZ. + mOverscroll.setVelocity(x * 1000.0f, Overscroll.Axis.X); + mOverscroll.setVelocity(y * 1000.0f, Overscroll.Axis.Y); + } + }); + } + } + } + + @WrapForJNI + private void updateOverscrollOffset(final float x, final float y) { + if (mOverscroll != null) { + if (ThreadUtils.isOnUiThread() == true) { + mOverscroll.setDistance(x, Overscroll.Axis.X); + mOverscroll.setDistance(y, Overscroll.Axis.Y); + } else { + ThreadUtils.postToUiThread(new Runnable() { + @Override + public void run() { + mOverscroll.setDistance(x, Overscroll.Axis.X); + mOverscroll.setDistance(y, Overscroll.Axis.Y); + } + }); + } + } + } + + @WrapForJNI(calledFrom = "ui") + private void setScrollingRootContent(final boolean isRootContent) { + mTarget.setScrollingRootContent(isRootContent); + } + + /** + * Active SelectionCaretDrag requires DynamicToolbarAnimator to be pinned + * to avoid unwanted scroll interactions. + */ + @WrapForJNI(calledFrom = "gecko") + private void onSelectionDragState(boolean state) { + mView.getDynamicToolbarAnimator().setPinned(state, PinReason.CARET_DRAG); + } +} |