/*
* Copyright 2007, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "webviewglue"
#include "config.h"
#include "AndroidAnimation.h"
#include "AndroidLog.h"
#include "BaseLayerAndroid.h"
#include "BaseRenderer.h"
#include "DrawExtra.h"
#include "Frame.h"
#include "GLWebViewState.h"
#include "GraphicsJNI.h"
#include "HTMLInputElement.h"
#include "IntPoint.h"
#include "IntRect.h"
#include "LayerAndroid.h"
#include "LayerContent.h"
#include "Node.h"
#include "utils/Functor.h"
#include "private/hwui/DrawGlInfo.h"
#include "PlatformGraphicsContext.h"
#include "PlatformString.h"
#include "ScrollableLayerAndroid.h"
#include "SelectText.h"
#include "SkCanvas.h"
#include "SkDumpCanvas.h"
#include "SkPicture.h"
#include "SkRect.h"
#include "SkTime.h"
#include "TilesManager.h"
#include "TransferQueue.h"
#include "WebCoreJni.h"
#include "WebRequestContext.h"
#include "WebViewCore.h"
#include "android_graphics.h"
#ifdef GET_NATIVE_VIEW
#undef GET_NATIVE_VIEW
#endif
#define GET_NATIVE_VIEW(env, obj) ((WebView*)env->GetIntField(obj, gWebViewField))
#include <JNIUtility.h>
#include <JNIHelp.h>
#include <jni.h>
#include <androidfw/KeycodeLabels.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/CString.h>
// Free as much as we possible can
#define TRIM_MEMORY_COMPLETE 80
// Free a lot (all textures gone)
#define TRIM_MEMORY_MODERATE 60
// More moderate free (keep bare minimum to restore quickly-ish - possibly clear all textures)
#define TRIM_MEMORY_BACKGROUND 40
// Moderate free (clear cached tiles, keep visible ones)
#define TRIM_MEMORY_UI_HIDDEN 20
// Duration to show the pressed cursor ring
#define PRESSED_STATE_DURATION 400
namespace android {
static jfieldID gWebViewField;
//-------------------------------------
static jmethodID GetJMethod(JNIEnv* env, jclass clazz, const char name[], const char signature[])
{
jmethodID m = env->GetMethodID(clazz, name, signature);
ALOG_ASSERT(m, "Could not find method %s", name);
return m;
}
//-------------------------------------
// This class provides JNI for making calls into native code from the UI side
// of the multi-threaded WebView.
class WebView
{
public:
enum FrameCachePermission {
DontAllowNewer,
AllowNewer
};
#define DRAW_EXTRAS_SIZE 2
enum DrawExtras { // keep this in sync with WebView.java
DrawExtrasNone = 0,
DrawExtrasSelection = 1,
DrawExtrasCursorRing = 2
};
struct JavaGlue {
jweak m_obj;
jmethodID m_scrollBy;
jmethodID m_getScaledMaxXScroll;
jmethodID m_getScaledMaxYScroll;
jmethodID m_updateRectsForGL;
jmethodID m_viewInvalidate;
jmethodID m_viewInvalidateRect;
jmethodID m_postInvalidateDelayed;
jmethodID m_pageSwapCallback;
jfieldID m_rectLeft;
jfieldID m_rectTop;
jmethodID m_rectWidth;
jmethodID m_rectHeight;
jfieldID m_quadFP1;
jfieldID m_quadFP2;
jfieldID m_quadFP3;
jfieldID m_quadFP4;
AutoJObject object(JNIEnv* env) {
return getRealObject(env, m_obj);
}
} m_javaGlue;
WebView(JNIEnv* env, jobject javaWebView, int viewImpl, WTF::String drawableDir,
bool isHighEndGfx)
: m_isHighEndGfx(isHighEndGfx)
{
memset(m_extras, 0, DRAW_EXTRAS_SIZE * sizeof(DrawExtra*));
jclass clazz = env->FindClass("android/webkit/WebViewClassic");
m_javaGlue.m_obj = env->NewWeakGlobalRef(javaWebView);
m_javaGlue.m_scrollBy = GetJMethod(env, clazz, "setContentScrollBy", "(IIZ)Z");
m_javaGlue.m_getScaledMaxXScroll = GetJMethod(env, clazz, "getScaledMaxXScroll", "()I");
m_javaGlue.m_getScaledMaxYScroll = GetJMethod(env, clazz, "getScaledMaxYScroll", "()I");
m_javaGlue.m_updateRectsForGL = GetJMethod(env, clazz, "updateRectsForGL", "()V");
m_javaGlue.m_viewInvalidate = GetJMethod(env, clazz, "viewInvalidate", "()V");
m_javaGlue.m_viewInvalidateRect = GetJMethod(env, clazz, "viewInvalidate", "(IIII)V");
m_javaGlue.m_postInvalidateDelayed = GetJMethod(env, clazz,
"viewInvalidateDelayed", "(JIIII)V");
m_javaGlue.m_pageSwapCallback = GetJMethod(env, clazz, "pageSwapCallback", "(Z)V");
env->DeleteLocalRef(clazz);
jclass rectClass = env->FindClass("android/graphics/Rect");
ALOG_ASSERT(rectClass, "Could not find Rect class");
m_javaGlue.m_rectLeft = env->GetFieldID(rectClass, "left", "I");
m_javaGlue.m_rectTop = env->GetFieldID(rectClass, "top", "I");
m_javaGlue.m_rectWidth = GetJMethod(env, rectClass, "width", "()I");
m_javaGlue.m_rectHeight = GetJMethod(env, rectClass, "height", "()I");
env->DeleteLocalRef(rectClass);
jclass quadFClass = env->FindClass("android/webkit/QuadF");
ALOG_ASSERT(quadFClass, "Could not find QuadF class");
m_javaGlue.m_quadFP1 = env->GetFieldID(quadFClass, "p1", "Landroid/graphics/PointF;");
m_javaGlue.m_quadFP2 = env->GetFieldID(quadFClass, "p2", "Landroid/graphics/PointF;");
m_javaGlue.m_quadFP3 = env->GetFieldID(quadFClass, "p3", "Landroid/graphics/PointF;");
m_javaGlue.m_quadFP4 = env->GetFieldID(quadFClass, "p4", "Landroid/graphics/PointF;");
env->DeleteLocalRef(quadFClass);
env->SetIntField(javaWebView, gWebViewField, (jint)this);
m_viewImpl = (WebViewCore*) viewImpl;
m_generation = 0;
m_heightCanMeasure = false;
m_lastDx = 0;
m_lastDxTime = 0;
m_baseLayer = 0;
m_glDrawFunctor = 0;
m_isDrawingPaused = false;
#if USE(ACCELERATED_COMPOSITING)
m_glWebViewState = 0;
#endif
}
~WebView()
{
if (m_javaGlue.m_obj)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
env->DeleteWeakGlobalRef(m_javaGlue.m_obj);
m_javaGlue.m_obj = 0;
}
#if USE(ACCELERATED_COMPOSITING)
// We must remove the m_glWebViewState prior to deleting m_baseLayer. If we
// do not remove it here, we risk having BaseTiles trying to paint using a
// deallocated base layer.
stopGL();
#endif
SkSafeUnref(m_baseLayer);
delete m_glDrawFunctor;
for (int i = 0; i < DRAW_EXTRAS_SIZE; i++)
delete m_extras[i];
}
DrawExtra* getDrawExtra(DrawExtras extras)
{
if (extras == DrawExtrasNone)
return 0;
return m_extras[extras - 1];
}
void stopGL()
{
#if USE(ACCELERATED_COMPOSITING)
delete m_glWebViewState;
m_glWebViewState = 0;
#endif
}
WebViewCore* getWebViewCore() const {
return m_viewImpl;
}
void scrollRectOnScreen(const IntRect& rect)
{
if (rect.isEmpty())
return;
int dx = 0;
int left = rect.x();
int right = rect.maxX();
if (left < m_visibleContentRect.fLeft)
dx = left - m_visibleContentRect.fLeft;
// Only scroll right if the entire width can fit on screen.
else if (right > m_visibleContentRect.fRight
&& right - left < m_visibleContentRect.width())
dx = right - m_visibleContentRect.fRight;
int dy = 0;
int top = rect.y();
int bottom = rect.maxY();
if (top < m_visibleContentRect.fTop)
dy = top - m_visibleContentRect.fTop;
// Only scroll down if the entire height can fit on screen
else if (bottom > m_visibleContentRect.fBottom
&& bottom - top < m_visibleContentRect.height())
dy = bottom - m_visibleContentRect.fBottom;
if ((dx|dy) == 0 || !scrollBy(dx, dy))
return;
viewInvalidate();
}
int drawGL(WebCore::IntRect& invScreenRect, WebCore::IntRect* invalRect,
WebCore::IntRect& screenRect, int titleBarHeight,
WebCore::IntRect& screenClip, float scale, int extras, bool shouldDraw)
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_baseLayer)
return 0;
if (m_viewImpl)
m_viewImpl->setPrerenderingEnabled(!m_isDrawingPaused);
if (!m_glWebViewState) {
TilesManager::instance()->setHighEndGfx(m_isHighEndGfx);
m_glWebViewState = new GLWebViewState();
m_glWebViewState->setBaseLayer(m_baseLayer, false, true);
}
DrawExtra* extra = getDrawExtra((DrawExtras) extras);
m_glWebViewState->glExtras()->setDrawExtra(extra);
// Make sure we have valid coordinates. We might not have valid coords
// if the zoom manager is still initializing. We will be redrawn
// once the correct scale is set
if (!m_visibleContentRect.isFinite())
return 0;
bool treesSwapped = false;
bool newTreeHasAnim = false;
int ret = m_glWebViewState->drawGL(invScreenRect, m_visibleContentRect, invalRect,
screenRect, titleBarHeight, screenClip, scale,
&treesSwapped, &newTreeHasAnim, shouldDraw);
if (treesSwapped) {
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (javaObject.get()) {
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_pageSwapCallback, newTreeHasAnim);
checkException(env);
}
}
return m_isDrawingPaused ? 0 : ret;
#endif
return 0;
}
void draw(SkCanvas* canvas, SkColor bgColor, DrawExtras extras)
{
if (!m_baseLayer) {
canvas->drawColor(bgColor);
return;
}
// draw the content of the base layer first
LayerContent* content = m_baseLayer->content();
int sc = canvas->save(SkCanvas::kClip_SaveFlag);
if (content) {
canvas->clipRect(SkRect::MakeLTRB(0, 0, content->width(), content->height()),
SkRegion::kDifference_Op);
}
Color c = m_baseLayer->getBackgroundColor();
canvas->drawColor(SkColorSetARGBInline(c.alpha(), c.red(), c.green(), c.blue()));
canvas->restoreToCount(sc);
// call this to be sure we've adjusted for any scrolling or animations
// before we actually draw
m_baseLayer->updatePositionsRecursive(m_visibleContentRect);
m_baseLayer->updatePositions();
// We have to set the canvas' matrix on the base layer
// (to have fixed layers work as intended)
SkAutoCanvasRestore restore(canvas, true);
m_baseLayer->setMatrix(canvas->getTotalMatrix());
canvas->resetMatrix();
m_baseLayer->draw(canvas, getDrawExtra(extras));
}
int getScaledMaxXScroll()
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return 0;
int result = env->CallIntMethod(javaObject.get(), m_javaGlue.m_getScaledMaxXScroll);
checkException(env);
return result;
}
int getScaledMaxYScroll()
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return 0;
int result = env->CallIntMethod(javaObject.get(), m_javaGlue.m_getScaledMaxYScroll);
checkException(env);
return result;
}
// Call through JNI to ask Java side to update the rectangles for GL functor.
// This is called at every draw when it is not in process mode, so we should
// keep this route as efficient as possible. Currently, its average cost on Xoom
// is about 0.1ms - 0.2ms.
// Alternatively, this can be achieved by adding more listener on Java side, but
// that will be more likely causing jank when triggering GC.
void updateRectsForGL()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_updateRectsForGL);
checkException(env);
}
#if USE(ACCELERATED_COMPOSITING)
static const ScrollableLayerAndroid* findScrollableLayer(
const LayerAndroid* parent, int x, int y, SkIRect* foundBounds) {
IntRect bounds = enclosingIntRect(parent->fullContentAreaMapped());
// Check the parent bounds first; this will clip to within a masking layer's
// bounds.
if (parent->masksToBounds() && !bounds.contains(x, y))
return 0;
int count = parent->countChildren();
while (count--) {
const LayerAndroid* child = parent->getChild(count);
const ScrollableLayerAndroid* result = findScrollableLayer(child, x, y, foundBounds);
if (result) {
if (parent->masksToBounds()) {
if (bounds.width() < foundBounds->width())
foundBounds->fRight = foundBounds->fLeft + bounds.width();
if (bounds.height() < foundBounds->height())
foundBounds->fBottom = foundBounds->fTop + bounds.height();
}
return result;
}
}
if (parent->contentIsScrollable()) {
foundBounds->set(bounds.x(), bounds.y(), bounds.width(), bounds.height());
return static_cast<const ScrollableLayerAndroid*>(parent);
}
return 0;
}
#endif
int scrollableLayer(int x, int y, SkIRect* layerRect, SkIRect* bounds)
{
#if USE(ACCELERATED_COMPOSITING)
if (!m_baseLayer)
return 0;
const ScrollableLayerAndroid* result = findScrollableLayer(m_baseLayer, x, y, bounds);
if (result) {
result->getScrollRect(layerRect);
return result->uniqueId();
}
#endif
return 0;
}
void scrollLayer(int layerId, int x, int y)
{
if (m_glWebViewState)
m_glWebViewState->scrollLayer(layerId, x, y);
}
void setHeightCanMeasure(bool measure)
{
m_heightCanMeasure = measure;
}
String getSelection()
{
SelectText* select = static_cast<SelectText*>(
getDrawExtra(WebView::DrawExtrasSelection));
if (select)
return select->getText();
return String();
}
bool scrollBy(int dx, int dy)
{
ALOG_ASSERT(m_javaGlue.m_obj, "A java object was not associated with this native WebView!");
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return false;
bool result = env->CallBooleanMethod(javaObject.get(), m_javaGlue.m_scrollBy, dx, dy, true);
checkException(env);
return result;
}
void setIsScrolling(bool isScrolling)
{
#if USE(ACCELERATED_COMPOSITING)
if (m_glWebViewState)
m_glWebViewState->setIsScrolling(isScrolling);
#endif
}
void viewInvalidate()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_viewInvalidate);
checkException(env);
}
void viewInvalidateRect(int l, int t, int r, int b)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_viewInvalidateRect, l, r, t, b);
checkException(env);
}
void postInvalidateDelayed(int64_t delay, const WebCore::IntRect& bounds)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
AutoJObject javaObject = m_javaGlue.object(env);
if (!javaObject.get())
return;
env->CallVoidMethod(javaObject.get(), m_javaGlue.m_postInvalidateDelayed,
delay, bounds.x(), bounds.y(), bounds.maxX(), bounds.maxY());
checkException(env);
}
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
static void copyScrollPosition(const LayerAndroid* fromRoot,
LayerAndroid* toRoot, int layerId)
{
if (!fromRoot || !toRoot)
return;
const LayerAndroid* from = fromRoot->findById(layerId);
LayerAndroid* to = toRoot->findById(layerId);
if (!from || !to || !from->contentIsScrollable() || !to->contentIsScrollable())
return;
// TODO: Support this for iframes.
if (to->isIFrameContent() || from->isIFrameContent())
return;
to->setScrollOffset(from->getScrollOffset());
}
#endif
BaseLayerAndroid* getBaseLayer() const { return m_baseLayer; }
bool setBaseLayer(BaseLayerAndroid* newBaseLayer, bool showVisualIndicator,
bool isPictureAfterFirstLayout, int scrollingLayer)
{
bool queueFull = false;
#if USE(ACCELERATED_COMPOSITING)
if (m_glWebViewState)
queueFull = m_glWebViewState->setBaseLayer(newBaseLayer, showVisualIndicator,
isPictureAfterFirstLayout);
#endif
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
copyScrollPosition(m_baseLayer, newBaseLayer, scrollingLayer);
#endif
SkSafeUnref(m_baseLayer);
m_baseLayer = newBaseLayer;
return queueFull;
}
void copyBaseContentToPicture(SkPicture* picture)
{
if (!m_baseLayer || !m_baseLayer->content())
return;
LayerContent* content = m_baseLayer->content();
SkCanvas* canvas = picture->beginRecording(content->width(), content->height(),
SkPicture::kUsePathBoundsForClip_RecordingFlag);
// clear the BaseLayerAndroid's previous matrix (set at each draw)
SkMatrix baseMatrix;
baseMatrix.reset();
m_baseLayer->setMatrix(baseMatrix);
m_baseLayer->draw(canvas, 0);
picture->endRecording();
}
bool hasContent() {
if (!m_baseLayer || !m_baseLayer->content())
return false;
return !m_baseLayer->content()->isEmpty();
}
void setFunctor(Functor* functor) {
delete m_glDrawFunctor;
m_glDrawFunctor = functor;
}
Functor* getFunctor() {
return m_glDrawFunctor;
}
void setVisibleContentRect(SkRect& visibleContentRect) {
m_visibleContentRect = visibleContentRect;
}
void setDrawExtra(DrawExtra *extra, DrawExtras type)
{
if (type == DrawExtrasNone)
return;
DrawExtra* old = m_extras[type - 1];
m_extras[type - 1] = extra;
if (old != extra) {
delete old;
}
}
void setTextSelection(SelectText *selection) {
setDrawExtra(selection, DrawExtrasSelection);
}
const TransformationMatrix* getLayerTransform(int layerId) {
if (layerId != -1 && m_baseLayer) {
LayerAndroid* layer = m_baseLayer->findById(layerId);
// We need to make sure the drawTransform is up to date as this is
// called before a draw() or drawGL()
if (layer) {
m_baseLayer->updatePositionsRecursive(m_visibleContentRect);
return layer->drawTransform();
}
}
return 0;
}
int getHandleLayerId(SelectText::HandleId handleId, SkIPoint& cursorPoint,
FloatQuad& textBounds) {
SelectText* selectText = static_cast<SelectText*>(getDrawExtra(DrawExtrasSelection));
if (!selectText || !m_baseLayer)
return -1;
int layerId = selectText->caretLayerId(handleId);
IntRect cursorRect = selectText->caretRect(handleId);
IntRect textRect = selectText->textRect(handleId);
// Rects exclude the last pixel on right/bottom. We want only included pixels.
cursorPoint.set(cursorRect.x(), cursorRect.maxY() - 1);
textRect.setHeight(std::max(1, textRect.height() - 1));
textRect.setWidth(std::max(1, textRect.width() - 1));
textBounds = FloatQuad(textRect);
const TransformationMatrix* transform = getLayerTransform(layerId);
if (transform) {
// We're overloading the concept of Rect to be just the two
// points (bottom-left and top-right.
cursorPoint = transform->mapPoint(cursorPoint);
textBounds = transform->mapQuad(textBounds);
}
return layerId;
}
void mapLayerRect(int layerId, SkIRect& rect) {
const TransformationMatrix* transform = getLayerTransform(layerId);
if (transform)
rect = transform->mapRect(rect);
}
void floatQuadToQuadF(JNIEnv* env, const FloatQuad& nativeTextQuad,
jobject textQuad)
{
jobject p1 = env->GetObjectField(textQuad, m_javaGlue.m_quadFP1);
jobject p2 = env->GetObjectField(textQuad, m_javaGlue.m_quadFP2);
jobject p3 = env->GetObjectField(textQuad, m_javaGlue.m_quadFP3);
jobject p4 = env->GetObjectField(textQuad, m_javaGlue.m_quadFP4);
GraphicsJNI::point_to_jpointf(nativeTextQuad.p1(), env, p1);
GraphicsJNI::point_to_jpointf(nativeTextQuad.p2(), env, p2);
GraphicsJNI::point_to_jpointf(nativeTextQuad.p3(), env, p3);
GraphicsJNI::point_to_jpointf(nativeTextQuad.p4(), env, p4);
env->DeleteLocalRef(p1);
env->DeleteLocalRef(p2);
env->DeleteLocalRef(p3);
env->DeleteLocalRef(p4);
}
// This is called when WebView switches rendering modes in a more permanent fashion
// such as when the layer type is set or the view is attached/detached from the window
int setHwAccelerated(bool hwAccelerated) {
if (!m_glWebViewState)
return 0;
LayerAndroid* root = m_baseLayer;
if (root)
return root->setHwAccelerated(hwAccelerated);
return 0;
}
void setDrawingPaused(bool isPaused)
{
m_isDrawingPaused = isPaused;
if (m_viewImpl)
m_viewImpl->setPrerenderingEnabled(!isPaused);
}
// Finds the rectangles within world to the left, right, top, and bottom
// of rect and adds them to rects. If no intersection exists, false is returned.
static bool findMaskedRects(const FloatRect& world,
const FloatRect& rect, Vector<FloatRect>& rects) {
if (!world.intersects(rect))
return false; // nothing to subtract
// left rectangle
if (rect.x() > world.x())
rects.append(FloatRect(world.x(), world.y(),
rect.x() - world.x(), world.height()));
// top rectangle
if (rect.y() > world.y())
rects.append(FloatRect(world.x(), world.y(),
world.width(), rect.y() - world.y()));
// right rectangle
if (rect.maxX() < world.maxX())
rects.append(FloatRect(rect.maxX(), world.y(),
world.maxX() - rect.maxX(), world.height()));
// bottom rectangle
if (rect.maxY() < world.maxY())
rects.append(FloatRect(world.x(), rect.maxY(),
world.width(), world.maxY() - rect.maxY()));
return true;
}
// Returns false if layerId is a fixed position layer, otherwise
// all fixed position layer rectangles are subtracted from those within
// rects. Rects will be modified to contain rectangles that don't include
// the fixed position layer rectangles.
static bool findMaskedRectsForLayer(LayerAndroid* layer,
Vector<FloatRect>& rects, int layerId)
{
if (layer->isPositionFixed()) {
if (layerId == layer->uniqueId())
return false;
FloatRect layerRect = layer->fullContentAreaMapped();
for (int i = rects.size() - 1; i >= 0; i--)
if (findMaskedRects(rects[i], layerRect, rects))
rects.remove(i);
}
int childIndex = 0;
while (LayerAndroid* child = layer->getChild(childIndex++))
if (!findMaskedRectsForLayer(child, rects, layerId))
return false;
return true;
}
// Finds the largest rectangle not masked by any fixed layer.
void findMaxVisibleRect(int movingLayerId, SkIRect& visibleContentRect)
{
if (!m_baseLayer)
return;
FloatRect visibleContentFloatRect(visibleContentRect);
m_baseLayer->updatePositionsRecursive(visibleContentFloatRect);
Vector<FloatRect> rects;
rects.append(visibleContentFloatRect);
if (findMaskedRectsForLayer(m_baseLayer, rects, movingLayerId)) {
float maxSize = 0.0;
const FloatRect* largest = 0;
for (int i = 0; i < rects.size(); i++) {
const FloatRect& rect = rects[i];
float size = rect.width() * rect.height();
if (size > maxSize) {
maxSize = size;
largest = ▭
}
}
if (largest) {
SkRect largeRect = *largest;
largeRect.round(&visibleContentRect);
}
}
}
private: // local state for WebView
bool m_isDrawingPaused;
// private to getFrameCache(); other functions operate in a different thread
WebViewCore* m_viewImpl;
int m_generation; // associate unique ID with sent kit focus to match with ui
// Corresponds to the same-named boolean on the java side.
bool m_heightCanMeasure;
int m_lastDx;
SkMSec m_lastDxTime;
DrawExtra* m_extras[DRAW_EXTRAS_SIZE];
BaseLayerAndroid* m_baseLayer;
Functor* m_glDrawFunctor;
#if USE(ACCELERATED_COMPOSITING)
GLWebViewState* m_glWebViewState;
#endif
SkRect m_visibleContentRect;
bool m_isHighEndGfx;
}; // end of WebView class
/**
* This class holds a function pointer and parameters for calling drawGL into a specific
* viewport. The pointer to the Functor will be put on a framework display list to be called
* when the display list is replayed.
*/
class GLDrawFunctor : Functor {
public:
GLDrawFunctor(WebView* _wvInstance,
int (WebView::*_funcPtr)(WebCore::IntRect&, WebCore::IntRect*,
WebCore::IntRect&, int, WebCore::IntRect&, jfloat, jint, bool),
WebCore::IntRect _invScreenRect, float _scale, int _extras) {
wvInstance = _wvInstance;
funcPtr = _funcPtr;
invScreenRect = _invScreenRect;
scale = _scale;
extras = _extras;
};
status_t operator()(int messageId, void* data) {
TRACE_METHOD();
bool shouldDraw = (messageId == uirenderer::DrawGlInfo::kModeDraw);
if (shouldDraw)
wvInstance->updateRectsForGL();
if (invScreenRect.isEmpty()) {
// NOOP operation if viewport is empty
return 0;
}
WebCore::IntRect inval;
int titlebarHeight = screenRect.height() - invScreenRect.height();
uirenderer::DrawGlInfo* info = reinterpret_cast<uirenderer::DrawGlInfo*>(data);
WebCore::IntRect screenClip(info->clipLeft, info->clipTop,
info->clipRight - info->clipLeft,
info->clipBottom - info->clipTop);
WebCore::IntRect localInvScreenRect = invScreenRect;
if (info->isLayer) {
// When webview is on a layer, we need to use the viewport relative
// to the FBO, rather than the screen(which will use invScreenRect).
localInvScreenRect.setX(screenClip.x());
localInvScreenRect.setY(info->height - screenClip.y() - screenClip.height());
}
// Send the necessary info to the shader.
TilesManager::instance()->shader()->setGLDrawInfo(info);
int returnFlags = (*wvInstance.*funcPtr)(localInvScreenRect, &inval, screenRect,
titlebarHeight, screenClip, scale, extras, shouldDraw);
if ((returnFlags & uirenderer::DrawGlInfo::kStatusDraw) != 0) {
IntRect finalInval;
if (inval.isEmpty())
finalInval = screenRect;
else {
finalInval.setX(screenRect.x() + inval.x());
finalInval.setY(screenRect.y() + titlebarHeight + inval.y());
finalInval.setWidth(inval.width());
finalInval.setHeight(inval.height());
}
info->dirtyLeft = finalInval.x();
info->dirtyTop = finalInval.y();
info->dirtyRight = finalInval.maxX();
info->dirtyBottom = finalInval.maxY();
}
// return 1 if invalidation needed, 2 to request non-drawing functor callback, 0 otherwise
ALOGV("returnFlags are %d, shouldDraw %d", returnFlags, shouldDraw);
return returnFlags;
}
void updateScreenRect(WebCore::IntRect& _screenRect) {
screenRect = _screenRect;
}
void updateInvScreenRect(WebCore::IntRect& _invScreenRect) {
invScreenRect = _invScreenRect;
}
void updateScale(float _scale) {
scale = _scale;
}
void updateExtras(jint _extras) {
extras = _extras;
}
private:
WebView* wvInstance;
int (WebView::*funcPtr)(WebCore::IntRect&, WebCore::IntRect*,
WebCore::IntRect&, int, WebCore::IntRect&, float, int, bool);
WebCore::IntRect invScreenRect;
WebCore::IntRect screenRect;
jfloat scale;
jint extras;
};
/*
* Native JNI methods
*/
static void nativeCreate(JNIEnv *env, jobject obj, int viewImpl,
jstring drawableDir, jboolean isHighEndGfx)
{
WTF::String dir = jstringToWtfString(env, drawableDir);
new WebView(env, obj, viewImpl, dir, isHighEndGfx);
// NEED THIS OR SOMETHING LIKE IT!
//Release(obj);
}
static WebCore::IntRect jrect_to_webrect(JNIEnv* env, jobject obj)
{
if (obj) {
int L, T, R, B;
GraphicsJNI::get_jrect(env, obj, &L, &T, &R, &B);
return WebCore::IntRect(L, T, R - L, B - T);
} else
return WebCore::IntRect();
}
static SkRect jrectf_to_rect(JNIEnv* env, jobject obj)
{
SkRect rect = SkRect::MakeEmpty();
if (obj)
GraphicsJNI::jrectf_to_rect(env, obj, &rect);
return rect;
}
static void nativeDraw(JNIEnv *env, jobject obj, jobject canv,
jobject visible, jint color,
jint extras) {
SkCanvas* canvas = GraphicsJNI::getNativeCanvas(env, canv);
WebView* webView = GET_NATIVE_VIEW(env, obj);
SkRect visibleContentRect = jrectf_to_rect(env, visible);
webView->setVisibleContentRect(visibleContentRect);
webView->draw(canvas, color, static_cast<WebView::DrawExtras>(extras));
}
static jint nativeCreateDrawGLFunction(JNIEnv *env, jobject obj, jint nativeView,
jobject jinvscreenrect, jobject jscreenrect,
jobject jvisiblecontentrect,
jfloat scale, jint extras) {
WebCore::IntRect invScreenRect = jrect_to_webrect(env, jinvscreenrect);
WebView *wvInstance = reinterpret_cast<WebView*>(nativeView);
SkRect visibleContentRect = jrectf_to_rect(env, jvisiblecontentrect);
wvInstance->setVisibleContentRect(visibleContentRect);
GLDrawFunctor* functor = (GLDrawFunctor*) wvInstance->getFunctor();
if (!functor) {
functor = new GLDrawFunctor(wvInstance, &android::WebView::drawGL,
invScreenRect, scale, extras);
wvInstance->setFunctor((Functor*) functor);
} else {
functor->updateInvScreenRect(invScreenRect);
functor->updateScale(scale);
functor->updateExtras(extras);
}
WebCore::IntRect rect = jrect_to_webrect(env, jscreenrect);
functor->updateScreenRect(rect);
return (jint)functor;
}
static jint nativeGetDrawGLFunction(JNIEnv *env, jobject obj, jint nativeView) {
WebView *wvInstance = reinterpret_cast<WebView*>(nativeView);
if (!wvInstance)
return 0;
return (jint) wvInstance->getFunctor();
}
static void nativeUpdateDrawGLFunction(JNIEnv *env, jobject obj, jint nativeView,
jobject jinvscreenrect, jobject jscreenrect,
jobject jvisiblecontentrect, jfloat scale) {
WebView *wvInstance = reinterpret_cast<WebView*>(nativeView);
if (wvInstance) {
GLDrawFunctor* functor = (GLDrawFunctor*) wvInstance->getFunctor();
if (functor) {
WebCore::IntRect invScreenRect = jrect_to_webrect(env, jinvscreenrect);
functor->updateInvScreenRect(invScreenRect);
SkRect visibleContentRect = jrectf_to_rect(env, jvisiblecontentrect);
wvInstance->setVisibleContentRect(visibleContentRect);
WebCore::IntRect screenRect = jrect_to_webrect(env, jscreenrect);
functor->updateScreenRect(screenRect);
functor->updateScale(scale);
}
}
}
static bool nativeEvaluateLayersAnimations(JNIEnv *env, jobject obj, jint nativeView)
{
// only call in software rendering, initialize and evaluate animations
#if USE(ACCELERATED_COMPOSITING)
BaseLayerAndroid* baseLayer = reinterpret_cast<WebView*>(nativeView)->getBaseLayer();
if (baseLayer) {
baseLayer->initAnimations();
return baseLayer->evaluateAnimations();
}
#endif
return false;
}
static bool nativeSetBaseLayer(JNIEnv *env, jobject obj, jint nativeView, jint layer,
jboolean showVisualIndicator,
jboolean isPictureAfterFirstLayout,
jint scrollingLayer)
{
BaseLayerAndroid* layerImpl = reinterpret_cast<BaseLayerAndroid*>(layer);
return reinterpret_cast<WebView*>(nativeView)->setBaseLayer(layerImpl, showVisualIndicator,
isPictureAfterFirstLayout,
scrollingLayer);
}
static BaseLayerAndroid* nativeGetBaseLayer(JNIEnv *env, jobject obj, jint nativeView)
{
return reinterpret_cast<WebView*>(nativeView)->getBaseLayer();
}
static void nativeCopyBaseContentToPicture(JNIEnv *env, jobject obj, jobject pict)
{
SkPicture* picture = GraphicsJNI::getNativePicture(env, pict);
GET_NATIVE_VIEW(env, obj)->copyBaseContentToPicture(picture);
}
static bool nativeHasContent(JNIEnv *env, jobject obj)
{
return GET_NATIVE_VIEW(env, obj)->hasContent();
}
static void nativeSetHeightCanMeasure(JNIEnv *env, jobject obj, bool measure)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOG_ASSERT(view, "view not set in nativeSetHeightCanMeasure");
view->setHeightCanMeasure(measure);
}
static void nativeDestroy(JNIEnv *env, jobject obj, jint ptr)
{
WebView* view = reinterpret_cast<WebView*>(ptr);
ALOGD("nativeDestroy view: %p", view);
ALOG_ASSERT(view, "view not set in nativeDestroy");
delete view;
}
static void nativeStopGL(JNIEnv *env, jobject obj, jint ptr)
{
if (ptr)
reinterpret_cast<WebView*>(ptr)->stopGL();
}
static jobject nativeGetSelection(JNIEnv *env, jobject obj)
{
WebView* view = GET_NATIVE_VIEW(env, obj);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
String selection = view->getSelection();
return wtfStringToJstring(env, selection);
}
static void nativeDiscardAllTextures(JNIEnv *env, jobject obj)
{
//discard all textures for debugging/test purposes, but not gl backing memory
bool allTextures = true, deleteGLTextures = false;
TilesManager::instance()->discardTextures(allTextures, deleteGLTextures);
}
static void nativeTileProfilingStart(JNIEnv *env, jobject obj)
{
TilesManager::instance()->getProfiler()->start();
}
static float nativeTileProfilingStop(JNIEnv *env, jobject obj)
{
return TilesManager::instance()->getProfiler()->stop();
}
static void nativeTileProfilingClear(JNIEnv *env, jobject obj)
{
TilesManager::instance()->getProfiler()->clear();
}
static int nativeTileProfilingNumFrames(JNIEnv *env, jobject obj)
{
return TilesManager::instance()->getProfiler()->numFrames();
}
static int nativeTileProfilingNumTilesInFrame(JNIEnv *env, jobject obj, int frame)
{
return TilesManager::instance()->getProfiler()->numTilesInFrame(frame);
}
static int nativeTileProfilingGetInt(JNIEnv *env, jobject obj, int frame, int tile, jstring jkey)
{
WTF::String key = jstringToWtfString(env, jkey);
TileProfileRecord* record = TilesManager::instance()->getProfiler()->getTile(frame, tile);
if (key == "left")
return record->left;
if (key == "top")
return record->top;
if (key == "right")
return record->right;
if (key == "bottom")
return record->bottom;
if (key == "level")
return record->level;
if (key == "isReady")
return record->isReady ? 1 : 0;
return -1;
}
static float nativeTileProfilingGetFloat(JNIEnv *env, jobject obj, int frame, int tile, jstring jkey)
{
TileProfileRecord* record = TilesManager::instance()->getProfiler()->getTile(frame, tile);
return record->scale;
}
#ifdef ANDROID_DUMP_DISPLAY_TREE
static void dumpToFile(const char text[], void* file) {
fwrite(text, 1, strlen(text), reinterpret_cast<FILE*>(file));
fwrite("\n", 1, 1, reinterpret_cast<FILE*>(file));
}
#endif
// Return true to view invalidate WebView
static bool nativeSetProperty(JNIEnv *env, jobject obj, jstring jkey, jstring jvalue)
{
WTF::String key = jstringToWtfString(env, jkey);
WTF::String value = jstringToWtfString(env, jvalue);
if (key == "inverted") {
bool shouldInvert = (value == "true");
TilesManager::instance()->setInvertedScreen(shouldInvert);
return true;
}
else if (key == "inverted_contrast") {
float contrast = value.toFloat();
TilesManager::instance()->setInvertedScreenContrast(contrast);
return true;
}
else if (key == "enable_cpu_upload_path") {
TilesManager::instance()->transferQueue()->setTextureUploadType(
value == "true" ? CpuUpload : GpuUpload);
}
else if (key == "use_minimal_memory") {
TilesManager::instance()->setUseMinimalMemory(value == "true");
}
else if (key == "use_double_buffering") {
TilesManager::instance()->setUseDoubleBuffering(value == "true");
}
else if (key == "tree_updates") {
TilesManager::instance()->clearContentUpdates();
}
return false;
}
static jstring nativeGetProperty(JNIEnv *env, jobject obj, jstring jkey)
{
WTF::String key = jstringToWtfString(env, jkey);
if (key == "tree_updates") {
int updates = TilesManager::instance()->getContentUpdates();
WTF::String wtfUpdates = WTF::String::number(updates);
return wtfStringToJstring(env, wtfUpdates);
}
return 0;
}
static void nativeOnTrimMemory(JNIEnv *env, jobject obj, jint level)
{
if (TilesManager::hardwareAccelerationEnabled()) {
// When we got TRIM_MEMORY_MODERATE or TRIM_MEMORY_COMPLETE, we should
// make sure the transfer queue is empty and then abandon the Surface
// Texture to avoid ANR b/c framework may destroy the EGL context.
// Refer to WindowManagerImpl.java for conditions we followed.
TilesManager* tilesManager = TilesManager::instance();
if ((level >= TRIM_MEMORY_MODERATE
&& !tilesManager->highEndGfx())
|| level >= TRIM_MEMORY_COMPLETE) {
ALOGD("OnTrimMemory with EGL Context %p", eglGetCurrentContext());
tilesManager->cleanupGLResources();
}
bool freeAllTextures = (level > TRIM_MEMORY_UI_HIDDEN), glTextures = true;
tilesManager->discardTextures(freeAllTextures, glTextures);
}
}
static void nativeDumpDisplayTree(JNIEnv* env, jobject jwebview, jstring jurl)
{
#ifdef ANDROID_DUMP_DISPLAY_TREE
WebView* view = GET_NATIVE_VIEW(env, jwebview);
ALOG_ASSERT(view, "view not set in %s", __FUNCTION__);
if (view && view->getWebViewCore()) {
FILE* file = fopen(DISPLAY_TREE_LOG_FILE, "w");
if (file) {
SkFormatDumper dumper(dumpToFile, file);
// dump the URL
if (jurl) {
const char* str = env->GetStringUTFChars(jurl, 0);
SkDebugf("Dumping %s to %s\n", str, DISPLAY_TREE_LOG_FILE);
dumpToFile(str, file);
env->ReleaseStringUTFChars(jurl, str);
}
// now dump the display tree
SkDumpCanvas canvas(&dumper);
// this will playback the picture into the canvas, which will
// spew its contents to the dumper
view->draw(&canvas, 0, WebView::DrawExtrasNone);
// we're done with the file now
fwrite("\n", 1, 1, file);
fclose(file);
}
#if USE(ACCELERATED_COMPOSITING)
const LayerAndroid* baseLayer = view->getBaseLayer();
if (baseLayer) {
FILE* file = fopen(LAYERS_TREE_LOG_FILE,"w");
if (file) {
baseLayer->dumpLayers(file, 0);
fclose(file);
}
}
#endif
}
#endif
}
static int nativeScrollableLayer(JNIEnv* env, jobject jwebview, jint nativeView,
jint x, jint y, jobject rect, jobject bounds)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
ALOG_ASSERT(webview, "webview not set in %s", __FUNCTION__);
SkIRect nativeRect, nativeBounds;
int id = webview->scrollableLayer(x, y, &nativeRect, &nativeBounds);
if (rect)
GraphicsJNI::irect_to_jrect(nativeRect, env, rect);
if (bounds)
GraphicsJNI::irect_to_jrect(nativeBounds, env, bounds);
return id;
}
static bool nativeScrollLayer(JNIEnv* env, jobject obj,
jint nativeView, jint layerId, jint x, jint y)
{
#if ENABLE(ANDROID_OVERFLOW_SCROLL)
WebView* webview = reinterpret_cast<WebView*>(nativeView);
webview->scrollLayer(layerId, x, y);
//TODO: the below only needed for the SW rendering path
LayerAndroid* baseLayer = webview->getBaseLayer();
if (!baseLayer)
return false;
LayerAndroid* layer = baseLayer->findById(layerId);
if (!layer || !layer->contentIsScrollable())
return false;
return static_cast<ScrollableLayerAndroid*>(layer)->scrollTo(x, y);
#endif
return false;
}
static void nativeSetIsScrolling(JNIEnv* env, jobject jwebview, jboolean isScrolling)
{
// TODO: Pass in the native pointer instead
WebView* view = GET_NATIVE_VIEW(env, jwebview);
if (view)
view->setIsScrolling(isScrolling);
}
static void nativeUseHardwareAccelSkia(JNIEnv*, jobject, jboolean enabled)
{
BaseRenderer::setCurrentRendererType(enabled ? BaseRenderer::Ganesh : BaseRenderer::Raster);
}
static int nativeGetBackgroundColor(JNIEnv* env, jobject obj, jint nativeView)
{
WebView* view = reinterpret_cast<WebView*>(nativeView);
BaseLayerAndroid* baseLayer = view->getBaseLayer();
if (baseLayer) {
WebCore::Color color = baseLayer->getBackgroundColor();
if (color.isValid())
return SkColorSetARGB(color.alpha(), color.red(),
color.green(), color.blue());
}
return SK_ColorWHITE;
}
static void nativeSetPauseDrawing(JNIEnv *env, jobject obj, jint nativeView,
jboolean pause)
{
reinterpret_cast<WebView*>(nativeView)->setDrawingPaused(pause);
}
static void nativeSetTextSelection(JNIEnv *env, jobject obj, jint nativeView,
jint selectionPtr)
{
SelectText* selection = reinterpret_cast<SelectText*>(selectionPtr);
reinterpret_cast<WebView*>(nativeView)->setTextSelection(selection);
}
static jint nativeGetHandleLayerId(JNIEnv *env, jobject obj, jint nativeView,
jint handleIndex, jobject cursorPoint,
jobject textQuad)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
SkIPoint nativePoint;
FloatQuad nativeTextQuad;
int layerId = webview->getHandleLayerId((SelectText::HandleId) handleIndex,
nativePoint, nativeTextQuad);
if (cursorPoint)
GraphicsJNI::ipoint_to_jpoint(nativePoint, env, cursorPoint);
if (textQuad)
webview->floatQuadToQuadF(env, nativeTextQuad, textQuad);
return layerId;
}
static void nativeMapLayerRect(JNIEnv *env, jobject obj, jint nativeView,
jint layerId, jobject rect)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
SkIRect nativeRect;
GraphicsJNI::jrect_to_irect(env, rect, &nativeRect);
webview->mapLayerRect(layerId, nativeRect);
GraphicsJNI::irect_to_jrect(nativeRect, env, rect);
}
static jint nativeSetHwAccelerated(JNIEnv *env, jobject obj, jint nativeView,
jboolean hwAccelerated)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
return webview->setHwAccelerated(hwAccelerated);
}
static void nativeFindMaxVisibleRect(JNIEnv *env, jobject obj, jint nativeView,
jint movingLayerId, jobject visibleContentRect)
{
WebView* webview = reinterpret_cast<WebView*>(nativeView);
SkIRect nativeRect;
GraphicsJNI::jrect_to_irect(env, visibleContentRect, &nativeRect);
webview->findMaxVisibleRect(movingLayerId, nativeRect);
GraphicsJNI::irect_to_jrect(nativeRect, env, visibleContentRect);
}
/*
* JNI registration
*/
static JNINativeMethod gJavaWebViewMethods[] = {
{ "nativeCreate", "(ILjava/lang/String;Z)V",
(void*) nativeCreate },
{ "nativeDestroy", "(I)V",
(void*) nativeDestroy },
{ "nativeDraw", "(Landroid/graphics/Canvas;Landroid/graphics/RectF;II)V",
(void*) nativeDraw },
{ "nativeCreateDrawGLFunction", "(ILandroid/graphics/Rect;Landroid/graphics/Rect;Landroid/graphics/RectF;FI)I",
(void*) nativeCreateDrawGLFunction },
{ "nativeGetDrawGLFunction", "(I)I",
(void*) nativeGetDrawGLFunction },
{ "nativeUpdateDrawGLFunction", "(ILandroid/graphics/Rect;Landroid/graphics/Rect;Landroid/graphics/RectF;F)V",
(void*) nativeUpdateDrawGLFunction },
{ "nativeDumpDisplayTree", "(Ljava/lang/String;)V",
(void*) nativeDumpDisplayTree },
{ "nativeEvaluateLayersAnimations", "(I)Z",
(void*) nativeEvaluateLayersAnimations },
{ "nativeGetSelection", "()Ljava/lang/String;",
(void*) nativeGetSelection },
{ "nativeSetHeightCanMeasure", "(Z)V",
(void*) nativeSetHeightCanMeasure },
{ "nativeSetBaseLayer", "(IIZZI)Z",
(void*) nativeSetBaseLayer },
{ "nativeGetBaseLayer", "(I)I",
(void*) nativeGetBaseLayer },
{ "nativeCopyBaseContentToPicture", "(Landroid/graphics/Picture;)V",
(void*) nativeCopyBaseContentToPicture },
{ "nativeHasContent", "()Z",
(void*) nativeHasContent },
{ "nativeDiscardAllTextures", "()V",
(void*) nativeDiscardAllTextures },
{ "nativeTileProfilingStart", "()V",
(void*) nativeTileProfilingStart },
{ "nativeTileProfilingStop", "()F",
(void*) nativeTileProfilingStop },
{ "nativeTileProfilingClear", "()V",
(void*) nativeTileProfilingClear },
{ "nativeTileProfilingNumFrames", "()I",
(void*) nativeTileProfilingNumFrames },
{ "nativeTileProfilingNumTilesInFrame", "(I)I",
(void*) nativeTileProfilingNumTilesInFrame },
{ "nativeTileProfilingGetInt", "(IILjava/lang/String;)I",
(void*) nativeTileProfilingGetInt },
{ "nativeTileProfilingGetFloat", "(IILjava/lang/String;)F",
(void*) nativeTileProfilingGetFloat },
{ "nativeStopGL", "(I)V",
(void*) nativeStopGL },
{ "nativeScrollableLayer", "(IIILandroid/graphics/Rect;Landroid/graphics/Rect;)I",
(void*) nativeScrollableLayer },
{ "nativeScrollLayer", "(IIII)Z",
(void*) nativeScrollLayer },
{ "nativeSetIsScrolling", "(Z)V",
(void*) nativeSetIsScrolling },
{ "nativeUseHardwareAccelSkia", "(Z)V",
(void*) nativeUseHardwareAccelSkia },
{ "nativeGetBackgroundColor", "(I)I",
(void*) nativeGetBackgroundColor },
{ "nativeSetProperty", "(Ljava/lang/String;Ljava/lang/String;)Z",
(void*) nativeSetProperty },
{ "nativeGetProperty", "(Ljava/lang/String;)Ljava/lang/String;",
(void*) nativeGetProperty },
{ "nativeOnTrimMemory", "(I)V",
(void*) nativeOnTrimMemory },
{ "nativeSetPauseDrawing", "(IZ)V",
(void*) nativeSetPauseDrawing },
{ "nativeSetTextSelection", "(II)V",
(void*) nativeSetTextSelection },
{ "nativeGetHandleLayerId", "(IILandroid/graphics/Point;Landroid/webkit/QuadF;)I",
(void*) nativeGetHandleLayerId },
{ "nativeMapLayerRect", "(IILandroid/graphics/Rect;)V",
(void*) nativeMapLayerRect },
{ "nativeSetHwAccelerated", "(IZ)I",
(void*) nativeSetHwAccelerated },
{ "nativeFindMaxVisibleRect", "(IILandroid/graphics/Rect;)V",
(void*) nativeFindMaxVisibleRect },
};
int registerWebView(JNIEnv* env)
{
jclass clazz = env->FindClass("android/webkit/WebViewClassic");
ALOG_ASSERT(clazz, "Unable to find class android/webkit/WebViewClassic");
gWebViewField = env->GetFieldID(clazz, "mNativeClass", "I");
ALOG_ASSERT(gWebViewField, "Unable to find android/webkit/WebViewClassic.mNativeClass");
env->DeleteLocalRef(clazz);
return jniRegisterNativeMethods(env, "android/webkit/WebViewClassic", gJavaWebViewMethods, NELEM(gJavaWebViewMethods));
}
} // namespace android