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8febee184a
gecko/widget/android/nsWindow.cpp
Benoit Girard 7876b39a69 Fix GetLayerManager logic
2012-02-02 14:16:59 -05:00

2381 lines
71 KiB
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/* -*- Mode: c++; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Matt Brubeck <mbrubeck@mozilla.com>
* Vivien Nicolas <vnicolas@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include <android/log.h>
#include <math.h>
#include <unistd.h>
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/unused.h"
#include "mozilla/Preferences.h"
using mozilla::dom::ContentParent;
using mozilla::dom::ContentChild;
using mozilla::unused;
#include "nsAppShell.h"
#include "nsIdleService.h"
#include "nsWindow.h"
#include "nsIObserverService.h"
#include "nsFocusManager.h"
#include "nsRenderingContext.h"
#include "nsIDOMSimpleGestureEvent.h"
#include "nsDOMTouchEvent.h"
#include "nsGkAtoms.h"
#include "nsWidgetsCID.h"
#include "nsGfxCIID.h"
#include "gfxImageSurface.h"
#include "gfxContext.h"
#include "Layers.h"
#include "BasicLayers.h"
#include "LayerManagerOGL.h"
#include "GLContext.h"
#include "GLContextProvider.h"
#include "nsTArray.h"
#include "AndroidBridge.h"
#include "imgIEncoder.h"
#include "nsStringGlue.h"
using namespace mozilla;
using namespace mozilla::widget;
NS_IMPL_ISUPPORTS_INHERITED0(nsWindow, nsBaseWidget)
// The dimensions of the current android view
static gfxIntSize gAndroidBounds = gfxIntSize(0, 0);
static gfxIntSize gAndroidTileSize = gfxIntSize(0, 0);
static gfxIntSize gAndroidScreenBounds;
#ifdef ACCESSIBILITY
bool nsWindow::sAccessibilityEnabled = false;
#endif
#ifdef MOZ_JAVA_COMPOSITOR
#include "mozilla/Mutex.h"
#include "nsThreadUtils.h"
#include "AndroidDirectTexture.h"
static AndroidDirectTexture* sDirectTexture = new AndroidDirectTexture(2048, 2048,
AndroidGraphicBuffer::UsageSoftwareWrite | AndroidGraphicBuffer::UsageTexture,
gfxASurface::ImageFormatRGB16_565);
#endif
class ContentCreationNotifier;
static nsCOMPtr<ContentCreationNotifier> gContentCreationNotifier;
// A helper class to send updates when content processes
// are created. Currently an update for the screen size is sent.
class ContentCreationNotifier : public nsIObserver
{
NS_DECL_ISUPPORTS
NS_IMETHOD Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
if (!strcmp(aTopic, "ipc:content-created")) {
nsCOMPtr<nsIObserver> cpo = do_QueryInterface(aSubject);
ContentParent* cp = static_cast<ContentParent*>(cpo.get());
unused << cp->SendScreenSizeChanged(gAndroidScreenBounds);
} else if (!strcmp(aTopic, "xpcom-shutdown")) {
nsCOMPtr<nsIObserverService>
obs(do_GetService("@mozilla.org/observer-service;1"));
if (obs) {
obs->RemoveObserver(static_cast<nsIObserver*>(this),
"xpcom-shutdown");
obs->RemoveObserver(static_cast<nsIObserver*>(this),
"ipc:content-created");
}
gContentCreationNotifier = nsnull;
}
return NS_OK;
}
};
NS_IMPL_ISUPPORTS1(ContentCreationNotifier,
nsIObserver)
static bool gMenu;
static bool gMenuConsumed;
// All the toplevel windows that have been created; these are in
// stacking order, so the window at gAndroidBounds[0] is the topmost
// one.
static nsTArray<nsWindow*> gTopLevelWindows;
static nsRefPtr<gl::GLContext> sGLContext;
static bool sFailedToCreateGLContext = false;
static bool sValidSurface;
static bool sSurfaceExists = false;
static void *sNativeWindow = nsnull;
// Multitouch swipe thresholds in inches
static const double SWIPE_MAX_PINCH_DELTA_INCHES = 0.4;
static const double SWIPE_MIN_DISTANCE_INCHES = 0.6;
static nsWindow*
TopWindow()
{
if (!gTopLevelWindows.IsEmpty())
return gTopLevelWindows[0];
return nsnull;
}
void
nsWindow::LogWindow(nsWindow *win, int index, int indent)
{
char spaces[] = " ";
spaces[indent < 20 ? indent : 20] = 0;
ALOG("%s [% 2d] 0x%08x [parent 0x%08x] [% 3d,% 3d % 3dx% 3d] vis %d type %d",
spaces, index, (intptr_t)win, (intptr_t)win->mParent,
win->mBounds.x, win->mBounds.y,
win->mBounds.width, win->mBounds.height,
win->mIsVisible, win->mWindowType);
}
void
nsWindow::DumpWindows()
{
DumpWindows(gTopLevelWindows);
}
void
nsWindow::DumpWindows(const nsTArray<nsWindow*>& wins, int indent)
{
for (PRUint32 i = 0; i < wins.Length(); ++i) {
nsWindow *w = wins[i];
LogWindow(w, i, indent);
DumpWindows(w->mChildren, indent+1);
}
}
nsWindow::nsWindow() :
mIsVisible(false),
mParent(nsnull),
mFocus(nsnull),
#ifdef ACCESSIBILITY
mRootAccessible(nsnull),
#endif
mIMEComposing(false)
{
}
nsWindow::~nsWindow()
{
gTopLevelWindows.RemoveElement(this);
nsWindow *top = FindTopLevel();
if (top->mFocus == this)
top->mFocus = nsnull;
#ifdef ACCESSIBILITY
if (mRootAccessible)
mRootAccessible = nsnull;
#endif
ALOG("nsWindow %p destructor", (void*)this);
}
bool
nsWindow::IsTopLevel()
{
return mWindowType == eWindowType_toplevel ||
mWindowType == eWindowType_dialog ||
mWindowType == eWindowType_invisible;
}
NS_IMETHODIMP
nsWindow::Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData)
{
ALOG("nsWindow[%p]::Create %p [%d %d %d %d]", (void*)this, (void*)aParent, aRect.x, aRect.y, aRect.width, aRect.height);
nsWindow *parent = (nsWindow*) aParent;
if (!AndroidBridge::Bridge()) {
aNativeParent = nsnull;
}
if (aNativeParent) {
if (parent) {
ALOG("Ignoring native parent on Android window [%p], since parent was specified (%p %p)", (void*)this, (void*)aNativeParent, (void*)aParent);
} else {
parent = (nsWindow*) aNativeParent;
}
}
mBounds = aRect;
// for toplevel windows, bounds are fixed to full screen size
if (!parent) {
mBounds.x = 0;
mBounds.y = 0;
mBounds.width = gAndroidBounds.width;
mBounds.height = gAndroidBounds.height;
}
BaseCreate(nsnull, mBounds, aHandleEventFunction, aContext, aInitData);
NS_ASSERTION(IsTopLevel() || parent, "non top level windowdoesn't have a parent!");
if (IsTopLevel()) {
gTopLevelWindows.AppendElement(this);
}
if (parent) {
parent->mChildren.AppendElement(this);
mParent = parent;
}
float dpi = GetDPI();
mSwipeMaxPinchDelta = SWIPE_MAX_PINCH_DELTA_INCHES * dpi;
mSwipeMinDistance = SWIPE_MIN_DISTANCE_INCHES * dpi;
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Destroy(void)
{
nsBaseWidget::mOnDestroyCalled = true;
for (PRUint32 i = 0; i < mChildren.Length(); ++i) {
// why do we still have children?
ALOG("### Warning: Destroying window %p and reparenting child %p to null!", (void*)this, (void*)mChildren[i]);
mChildren[i]->SetParent(nsnull);
}
if (IsTopLevel())
gTopLevelWindows.RemoveElement(this);
if (mParent)
mParent->mChildren.RemoveElement(this);
nsBaseWidget::OnDestroy();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ConfigureChildren(const nsTArray<nsIWidget::Configuration>& config)
{
for (PRUint32 i = 0; i < config.Length(); ++i) {
nsWindow *childWin = (nsWindow*) config[i].mChild;
childWin->Resize(config[i].mBounds.x,
config[i].mBounds.y,
config[i].mBounds.width,
config[i].mBounds.height,
false);
}
return NS_OK;
}
void
nsWindow::RedrawAll()
{
nsIntRect entireRect(0, 0, gAndroidBounds.width, gAndroidBounds.height);
AndroidGeckoEvent *event = new AndroidGeckoEvent(AndroidGeckoEvent::DRAW, entireRect);
nsAppShell::gAppShell->PostEvent(event);
}
NS_IMETHODIMP
nsWindow::SetParent(nsIWidget *aNewParent)
{
if ((nsIWidget*)mParent == aNewParent)
return NS_OK;
// If we had a parent before, remove ourselves from its list of
// children. If we didn't have a parent, then remove ourselves
// from the list of toplevel windows if we're about to get a
// parent.
if (mParent)
mParent->mChildren.RemoveElement(this);
mParent = (nsWindow*)aNewParent;
if (mParent)
mParent->mChildren.AppendElement(this);
// if we are now in the toplevel window's hierarchy, schedule a redraw
if (FindTopLevel() == TopWindow())
RedrawAll();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ReparentNativeWidget(nsIWidget *aNewParent)
{
NS_PRECONDITION(aNewParent, "");
return NS_OK;
}
nsIWidget*
nsWindow::GetParent()
{
return mParent;
}
float
nsWindow::GetDPI()
{
if (AndroidBridge::Bridge())
return AndroidBridge::Bridge()->GetDPI();
return 160.0f;
}
NS_IMETHODIMP
nsWindow::Show(bool aState)
{
ALOG("nsWindow[%p]::Show %d", (void*)this, aState);
if (mWindowType == eWindowType_invisible) {
ALOG("trying to show invisible window! ignoring..");
return NS_ERROR_FAILURE;
}
if (aState == mIsVisible)
return NS_OK;
mIsVisible = aState;
if (IsTopLevel()) {
// XXX should we bring this to the front when it's shown,
// if it's a toplevel widget?
// XXX we should synthesize a NS_MOUSE_EXIT (for old top
// window)/NS_MOUSE_ENTER (for new top window) since we need
// to pretend that the top window always has focus. Not sure
// if Show() is the right place to do this, though.
if (aState) {
// It just became visible, so send a resize update if necessary
// and bring it to the front.
Resize(0, 0, gAndroidBounds.width, gAndroidBounds.height, false);
BringToFront();
} else if (TopWindow() == this) {
// find the next visible window to show
unsigned int i;
for (i = 1; i < gTopLevelWindows.Length(); i++) {
nsWindow *win = gTopLevelWindows[i];
if (!win->mIsVisible)
continue;
win->BringToFront();
break;
}
}
} else if (FindTopLevel() == TopWindow()) {
RedrawAll();
}
#ifdef ACCESSIBILITY
static bool sAccessibilityChecked = false;
if (!sAccessibilityChecked) {
sAccessibilityChecked = true;
sAccessibilityEnabled =
AndroidBridge::Bridge()->GetAccessibilityEnabled();
}
if (aState && sAccessibilityEnabled)
CreateRootAccessible();
#endif
#ifdef DEBUG_ANDROID_WIDGET
DumpWindows();
#endif
return NS_OK;
}
#ifdef ACCESSIBILITY
void
nsWindow::CreateRootAccessible()
{
if (IsTopLevel() && !mRootAccessible) {
ALOG(("nsWindow:: Create Toplevel Accessibility\n"));
nsAccessible *acc = DispatchAccessibleEvent();
if (acc) {
mRootAccessible = acc;
}
}
}
nsAccessible*
nsWindow::DispatchAccessibleEvent()
{
nsAccessibleEvent event(true, NS_GETACCESSIBLE, this);
nsEventStatus status;
DispatchEvent(&event, status);
return event.mAccessible;
}
#endif
NS_IMETHODIMP
nsWindow::SetModal(bool aState)
{
ALOG("nsWindow[%p]::SetModal %d ignored", (void*)this, aState);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::IsVisible(bool& aState)
{
aState = mIsVisible;
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ConstrainPosition(bool aAllowSlop,
PRInt32 *aX,
PRInt32 *aY)
{
ALOG("nsWindow[%p]::ConstrainPosition %d [%d %d]", (void*)this, aAllowSlop, *aX, *aY);
// constrain toplevel windows; children we don't care about
if (IsTopLevel()) {
*aX = 0;
*aY = 0;
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Move(PRInt32 aX,
PRInt32 aY)
{
if (IsTopLevel())
return NS_OK;
return Resize(aX,
aY,
mBounds.width,
mBounds.height,
true);
}
NS_IMETHODIMP
nsWindow::Resize(PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint)
{
return Resize(mBounds.x,
mBounds.y,
aWidth,
aHeight,
aRepaint);
}
NS_IMETHODIMP
nsWindow::Resize(PRInt32 aX,
PRInt32 aY,
PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint)
{
ALOG("nsWindow[%p]::Resize [%d %d %d %d] (repaint %d)", (void*)this, aX, aY, aWidth, aHeight, aRepaint);
bool needSizeDispatch = aWidth != mBounds.width || aHeight != mBounds.height;
mBounds.x = aX;
mBounds.y = aY;
mBounds.width = aWidth;
mBounds.height = aHeight;
if (needSizeDispatch)
OnSizeChanged(gfxIntSize(aWidth, aHeight));
// Should we skip honoring aRepaint here?
if (aRepaint && FindTopLevel() == TopWindow())
RedrawAll();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetZIndex(PRInt32 aZIndex)
{
ALOG("nsWindow[%p]::SetZIndex %d ignored", (void*)this, aZIndex);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetSizeMode(PRInt32 aMode)
{
switch (aMode) {
case nsSizeMode_Minimized:
AndroidBridge::Bridge()->MoveTaskToBack();
break;
case nsSizeMode_Fullscreen:
MakeFullScreen(true);
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Enable(bool aState)
{
ALOG("nsWindow[%p]::Enable %d ignored", (void*)this, aState);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::IsEnabled(bool *aState)
{
*aState = true;
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Invalidate(const nsIntRect &aRect)
{
AndroidGeckoEvent *event = new AndroidGeckoEvent(AndroidGeckoEvent::DRAW, aRect);
nsAppShell::gAppShell->PostEvent(event);
return NS_OK;
}
nsWindow*
nsWindow::FindTopLevel()
{
nsWindow *toplevel = this;
while (toplevel) {
if (toplevel->IsTopLevel())
return toplevel;
toplevel = toplevel->mParent;
}
ALOG("nsWindow::FindTopLevel(): couldn't find a toplevel or dialog window in this [%p] widget's hierarchy!", (void*)this);
return this;
}
NS_IMETHODIMP
nsWindow::SetFocus(bool aRaise)
{
if (!aRaise)
ALOG("nsWindow::SetFocus: can't set focus without raising, ignoring aRaise = false!");
if (!AndroidBridge::Bridge())
return NS_OK;
nsWindow *top = FindTopLevel();
top->mFocus = this;
top->BringToFront();
return NS_OK;
}
void
nsWindow::BringToFront()
{
// If the window to be raised is the same as the currently raised one,
// do nothing. We need to check the focus manager as well, as the first
// window that is created will be first in the window list but won't yet
// be focused.
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
nsCOMPtr<nsIDOMWindow> existingTopWindow;
fm->GetActiveWindow(getter_AddRefs(existingTopWindow));
if (existingTopWindow && FindTopLevel() == TopWindow())
return;
if (!IsTopLevel()) {
FindTopLevel()->BringToFront();
return;
}
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsWindow *oldTop = nsnull;
nsWindow *newTop = this;
if (!gTopLevelWindows.IsEmpty())
oldTop = gTopLevelWindows[0];
gTopLevelWindows.RemoveElement(this);
gTopLevelWindows.InsertElementAt(0, this);
if (oldTop) {
nsGUIEvent event(true, NS_DEACTIVATE, oldTop);
DispatchEvent(&event);
}
if (Destroyed()) {
// somehow the deactivate event handler destroyed this window.
// try to recover by grabbing the next window in line and activating
// that instead
if (gTopLevelWindows.IsEmpty())
return;
newTop = gTopLevelWindows[0];
}
nsGUIEvent event(true, NS_ACTIVATE, newTop);
DispatchEvent(&event);
// force a window resize
nsAppShell::gAppShell->ResendLastResizeEvent(newTop);
RedrawAll();
}
NS_IMETHODIMP
nsWindow::GetScreenBounds(nsIntRect &aRect)
{
nsIntPoint p = WidgetToScreenOffset();
aRect.x = p.x;
aRect.y = p.y;
aRect.width = mBounds.width;
aRect.height = mBounds.height;
return NS_OK;
}
nsIntPoint
nsWindow::WidgetToScreenOffset()
{
nsIntPoint p(0, 0);
nsWindow *w = this;
while (w && !w->IsTopLevel()) {
p.x += w->mBounds.x;
p.y += w->mBounds.y;
w = w->mParent;
}
return p;
}
NS_IMETHODIMP
nsWindow::DispatchEvent(nsGUIEvent *aEvent,
nsEventStatus &aStatus)
{
aStatus = DispatchEvent(aEvent);
return NS_OK;
}
nsEventStatus
nsWindow::DispatchEvent(nsGUIEvent *aEvent)
{
if (mEventCallback) {
nsEventStatus status = (*mEventCallback)(aEvent);
switch (aEvent->message) {
case NS_COMPOSITION_START:
mIMEComposing = true;
break;
case NS_COMPOSITION_END:
mIMEComposing = false;
break;
case NS_TEXT_TEXT:
mIMEComposingText = static_cast<nsTextEvent*>(aEvent)->theText;
break;
}
return status;
}
return nsEventStatus_eIgnore;
}
NS_IMETHODIMP
nsWindow::MakeFullScreen(bool aFullScreen)
{
AndroidBridge::Bridge()->SetFullScreen(aFullScreen);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::SetWindowClass(const nsAString& xulWinType)
{
return NS_OK;
}
mozilla::layers::LayerManager*
nsWindow::GetLayerManager(PLayersChild*, LayersBackend, LayerManagerPersistence,
bool* aAllowRetaining)
{
if (aAllowRetaining) {
*aAllowRetaining = true;
}
if (mLayerManager) {
return mLayerManager;
}
printf_stderr("nsWindow::GetLayerManager\n");
nsWindow *topWindow = TopWindow();
if (!topWindow) {
printf_stderr(" -- no topwindow\n");
mLayerManager = CreateBasicLayerManager();
return mLayerManager;
}
bool useCompositor =
Preferences::GetBool("layers.offmainthreadcomposition.enabled", false);
if (useCompositor) {
CreateCompositor();
if (mLayerManager)
return mLayerManager;
sFailedToCreateGLContext = true;
}
mUseAcceleratedRendering = GetShouldAccelerate();
if (!mUseAcceleratedRendering ||
sFailedToCreateGLContext)
{
printf_stderr(" -- creating basic, not accelerated\n");
mLayerManager = CreateBasicLayerManager();
return mLayerManager;
}
if (!mLayerManager) {
if (!sGLContext) {
// the window we give doesn't matter here
sGLContext = mozilla::gl::GLContextProvider::CreateForWindow(this);
}
if (sGLContext) {
nsRefPtr<mozilla::layers::LayerManagerOGL> layerManager =
new mozilla::layers::LayerManagerOGL(this);
if (layerManager && layerManager->Initialize(sGLContext))
mLayerManager = layerManager;
sValidSurface = true;
}
if (!sGLContext || !mLayerManager) {
sGLContext = nsnull;
sFailedToCreateGLContext = true;
mLayerManager = CreateBasicLayerManager();
}
}
return mLayerManager;
}
gfxASurface*
nsWindow::GetThebesSurface()
{
/* This is really a dummy surface; this is only used when doing reflow, because
* we need a RenderingContext to measure text against.
*/
// XXX this really wants to return already_AddRefed, but this only really gets used
// on direct assignment to a gfxASurface
return new gfxImageSurface(gfxIntSize(5,5), gfxImageSurface::ImageFormatRGB24);
}
#ifdef MOZ_JAVA_COMPOSITOR
void
nsWindow::BindToTexture()
{
sDirectTexture->Bind();
}
bool
nsWindow::HasDirectTexture()
{
return false;
static bool sTestedDirectTexture = false;
static bool sHasDirectTexture = false;
// If we already tested, return early
if (sTestedDirectTexture)
return sHasDirectTexture;
sTestedDirectTexture = true;
nsAutoString board;
AndroidGraphicBuffer* buffer = NULL;
unsigned char* bits = NULL;
if (AndroidGraphicBuffer::IsBlacklisted()) {
ALOG("device is blacklisted for direct texture");
goto cleanup;
}
buffer = new AndroidGraphicBuffer(512, 512,
AndroidGraphicBuffer::UsageSoftwareWrite | AndroidGraphicBuffer::UsageTexture,
gfxASurface::ImageFormatRGB16_565);
if (buffer->Lock(AndroidGraphicBuffer::UsageSoftwareWrite, &bits) != 0 || !bits) {
ALOG("failed to lock graphic buffer");
buffer->Unlock();
goto cleanup;
}
if (buffer->Unlock() != 0) {
ALOG("failed to unlock graphic buffer");
goto cleanup;
}
if (!buffer->Reallocate(1024, 1024, gfxASurface::ImageFormatRGB16_565)) {
ALOG("failed to reallocate graphic buffer");
goto cleanup;
}
sHasDirectTexture = true;
cleanup:
if (buffer)
delete buffer;
return sHasDirectTexture;
}
#endif
void
nsWindow::OnGlobalAndroidEvent(AndroidGeckoEvent *ae)
{
if (!AndroidBridge::Bridge())
return;
nsWindow *win = TopWindow();
if (!win)
return;
switch (ae->Type()) {
case AndroidGeckoEvent::FORCED_RESIZE:
win->mBounds.width = 0;
win->mBounds.height = 0;
// also resize the children
for (PRUint32 i = 0; i < win->mChildren.Length(); i++) {
win->mChildren[i]->mBounds.width = 0;
win->mChildren[i]->mBounds.height = 0;
}
case AndroidGeckoEvent::SIZE_CHANGED: {
nsTArray<nsIntPoint> points = ae->Points();
NS_ASSERTION(points.Length() != 3, "Size changed does not have enough coordinates");
int nw = points[0].x;
int nh = points[0].y;
if (ae->Type() == AndroidGeckoEvent::FORCED_RESIZE || nw != gAndroidBounds.width ||
nh != gAndroidBounds.height) {
gAndroidBounds.width = nw;
gAndroidBounds.height = nh;
// tell all the windows about the new size
for (size_t i = 0; i < gTopLevelWindows.Length(); ++i) {
if (gTopLevelWindows[i]->mIsVisible)
gTopLevelWindows[i]->Resize(gAndroidBounds.width,
gAndroidBounds.height,
true);
}
}
gAndroidTileSize.width = points[2].x;
gAndroidTileSize.height = points[2].y;
int newScreenWidth = points[1].x;
int newScreenHeight = points[1].y;
if (newScreenWidth == gAndroidScreenBounds.width &&
newScreenHeight == gAndroidScreenBounds.height)
break;
gAndroidScreenBounds.width = newScreenWidth;
gAndroidScreenBounds.height = newScreenHeight;
if (XRE_GetProcessType() != GeckoProcessType_Default)
break;
// Tell the content process the new screen size.
nsTArray<ContentParent*> cplist;
ContentParent::GetAll(cplist);
for (PRUint32 i = 0; i < cplist.Length(); ++i)
unused << cplist[i]->SendScreenSizeChanged(gAndroidScreenBounds);
if (gContentCreationNotifier)
break;
// If the content process is not created yet, wait until it's
// created and then tell it the screen size.
nsCOMPtr<nsIObserverService> obs = do_GetService("@mozilla.org/observer-service;1");
if (!obs)
break;
nsCOMPtr<ContentCreationNotifier> notifier = new ContentCreationNotifier;
if (NS_SUCCEEDED(obs->AddObserver(notifier, "ipc:content-created", false))) {
if (NS_SUCCEEDED(obs->AddObserver(notifier, "xpcom-shutdown", false)))
gContentCreationNotifier = notifier;
else
obs->RemoveObserver(notifier, "ipc:content-created");
}
break;
}
case AndroidGeckoEvent::MOTION_EVENT: {
win->UserActivity();
if (!gTopLevelWindows.IsEmpty()) {
nsIntPoint pt(0,0);
nsTArray<nsIntPoint> points = ae->Points();
if (points.Length() > 0) {
pt = points[0];
}
pt.x = clamped(pt.x, 0, gAndroidBounds.width - 1);
pt.y = clamped(pt.y, 0, gAndroidBounds.height - 1);
nsWindow *target = win->FindWindowForPoint(pt);
#if 0
ALOG("MOTION_EVENT %f,%f -> %p (visible: %d children: %d)", pt.x, pt.y, (void*)target,
target ? target->mIsVisible : 0,
target ? target->mChildren.Length() : 0);
DumpWindows();
#endif
if (target) {
bool preventDefaultActions = target->OnMultitouchEvent(ae);
if (!preventDefaultActions && ae->Count() == 2) {
target->OnGestureEvent(ae);
}
#ifndef MOZ_ONLY_TOUCH_EVENTS
if (!preventDefaultActions && ae->Count() < 2)
target->OnMotionEvent(ae);
#endif
}
}
break;
}
case AndroidGeckoEvent::KEY_EVENT:
win->UserActivity();
if (win->mFocus)
win->mFocus->OnKeyEvent(ae);
break;
case AndroidGeckoEvent::DRAW:
win->OnDraw(ae);
break;
case AndroidGeckoEvent::IME_EVENT:
win->UserActivity();
if (win->mFocus) {
win->mFocus->OnIMEEvent(ae);
} else {
NS_WARNING("Sending unexpected IME event to top window");
win->OnIMEEvent(ae);
}
break;
case AndroidGeckoEvent::SURFACE_CREATED:
sSurfaceExists = true;
if (AndroidBridge::Bridge()->HasNativeWindowAccess()) {
AndroidGeckoSurfaceView& sview(AndroidBridge::Bridge()->SurfaceView());
jobject surface = sview.GetSurface();
if (surface) {
sNativeWindow = AndroidBridge::Bridge()->AcquireNativeWindow(surface);
if (sNativeWindow) {
AndroidBridge::Bridge()->SetNativeWindowFormat(sNativeWindow, AndroidBridge::WINDOW_FORMAT_RGB_565);
}
}
}
break;
case AndroidGeckoEvent::SURFACE_DESTROYED:
if (sGLContext && sValidSurface) {
sGLContext->ReleaseSurface();
}
if (sNativeWindow) {
AndroidBridge::Bridge()->ReleaseNativeWindow(sNativeWindow);
sNativeWindow = nsnull;
}
sSurfaceExists = false;
sValidSurface = false;
break;
case AndroidGeckoEvent::GECKO_EVENT_SYNC:
AndroidBridge::Bridge()->AcknowledgeEventSync();
break;
default:
break;
}
}
void
nsWindow::OnAndroidEvent(AndroidGeckoEvent *ae)
{
if (!AndroidBridge::Bridge())
return;
switch (ae->Type()) {
case AndroidGeckoEvent::DRAW:
OnDraw(ae);
break;
default:
ALOG("Window got targetted android event type %d, but didn't handle!", ae->Type());
break;
}
}
bool
nsWindow::DrawTo(gfxASurface *targetSurface)
{
nsIntRect boundsRect(0, 0, mBounds.width, mBounds.height);
return DrawTo(targetSurface, boundsRect);
}
bool
nsWindow::DrawTo(gfxASurface *targetSurface, const nsIntRect &invalidRect)
{
if (!mIsVisible)
return false;
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsEventStatus status;
nsIntRect boundsRect(0, 0, mBounds.width, mBounds.height);
// Figure out if any of our children cover this widget completely
PRInt32 coveringChildIndex = -1;
for (PRUint32 i = 0; i < mChildren.Length(); ++i) {
if (mChildren[i]->mBounds.IsEmpty())
continue;
if (mChildren[i]->mBounds.Contains(boundsRect)) {
coveringChildIndex = PRInt32(i);
}
}
// If we have no covering child, then we need to render this.
if (coveringChildIndex == -1) {
nsPaintEvent event(true, NS_PAINT, this);
nsIntRect tileRect(0, 0, gAndroidBounds.width, gAndroidBounds.height);
event.region = boundsRect.Intersect(invalidRect).Intersect(tileRect);
switch (GetLayerManager(nsnull)->GetBackendType()) {
case LayerManager::LAYERS_BASIC: {
nsRefPtr<gfxContext> ctx = new gfxContext(targetSurface);
{
AutoLayerManagerSetup
setupLayerManager(this, ctx, BasicLayerManager::BUFFER_NONE);
status = DispatchEvent(&event);
}
// XXX uhh.. we can't just ignore this because we no longer have
// what we needed before, but let's keep drawing the children anyway?
#if 0
if (status == nsEventStatus_eIgnore)
return false;
#endif
// XXX if we got an ignore for the parent, do we still want to draw the children?
// We don't really have a good way not to...
break;
}
case LayerManager::LAYERS_OPENGL: {
static_cast<mozilla::layers::LayerManagerOGL*>(GetLayerManager(nsnull))->
SetClippingRegion(nsIntRegion(boundsRect));
status = DispatchEvent(&event);
break;
}
default:
NS_ERROR("Invalid layer manager");
}
// We had no covering child, so make sure we draw all the children,
// starting from index 0.
coveringChildIndex = 0;
}
gfxPoint offset;
if (targetSurface)
offset = targetSurface->GetDeviceOffset();
for (PRUint32 i = coveringChildIndex; i < mChildren.Length(); ++i) {
if (mChildren[i]->mBounds.IsEmpty() ||
!mChildren[i]->mBounds.Intersects(boundsRect)) {
continue;
}
if (targetSurface)
targetSurface->SetDeviceOffset(offset + gfxPoint(mChildren[i]->mBounds.x,
mChildren[i]->mBounds.y));
bool ok = mChildren[i]->DrawTo(targetSurface, invalidRect);
if (!ok) {
ALOG("nsWindow[%p]::DrawTo child %d[%p] returned FALSE!", (void*) this, i, (void*)mChildren[i]);
}
}
if (targetSurface)
targetSurface->SetDeviceOffset(offset);
return true;
}
void
nsWindow::OnDraw(AndroidGeckoEvent *ae)
{
if (!IsTopLevel()) {
ALOG("##### redraw for window %p, which is not a toplevel window -- sending to toplevel!", (void*) this);
DumpWindows();
return;
}
if (!mIsVisible) {
ALOG("##### redraw for window %p, which is not visible -- ignoring!", (void*) this);
DumpWindows();
return;
}
AndroidBridge::AutoLocalJNIFrame jniFrame;
#ifdef MOZ_JAVA_COMPOSITOR
// We haven't been given a window-size yet, so do nothing
if (gAndroidBounds.width <= 0 || gAndroidBounds.height <= 0)
return;
#if 0
// BEGIN HACK: gl layers
nsPaintEvent event(true, NS_PAINT, this);
nsIntRect tileRect(0, 0, gAndroidBounds.width, gAndroidBounds.height);
event.region = tileRect;
unsigned char *bits2 = new unsigned char[gAndroidBounds.width * gAndroidBounds.height * 2];
nsRefPtr<gfxImageSurface> targetSurface =
new gfxImageSurface(bits2,
gfxIntSize(gAndroidBounds.width, gAndroidBounds.height),
gAndroidBounds.width * 2,
gfxASurface::ImageFormatRGB16_565);
nsRefPtr<gfxContext> ctx = new gfxContext(targetSurface);
AutoLayerManagerSetup
setupLayerManager(this, ctx, BasicLayerManager::BUFFER_NONE);
DispatchEvent(&event);
delete[] bits2;
return;
// END HACK: gl layers
#endif
/*
* Check to see whether the presentation shell corresponding to the document on the screen
* is suppressing painting. If it is, we bail out, as continuing would result in a mismatch
* between the content on the screen and the current viewport metrics.
*/
nsCOMPtr<nsIAndroidDrawMetadataProvider> metadataProvider =
AndroidBridge::Bridge()->GetDrawMetadataProvider();
bool paintingSuppressed = false;
if (metadataProvider) {
metadataProvider->PaintingSuppressed(&paintingSuppressed);
}
if (paintingSuppressed) {
return;
}
nsAutoString metadata;
if (metadataProvider) {
metadataProvider->GetDrawMetadata(metadata);
}
AndroidGeckoSoftwareLayerClient &client =
AndroidBridge::Bridge()->GetSoftwareLayerClient();
if (!client.BeginDrawing(gAndroidBounds.width, gAndroidBounds.height,
gAndroidTileSize.width, gAndroidTileSize.height,
metadata, HasDirectTexture())) {
return;
}
nsIntPoint renderOffset;
client.GetRenderOffset(renderOffset);
nsIntRect dirtyRect = ae->Rect().Intersect(nsIntRect(0, 0, gAndroidBounds.width, gAndroidBounds.height));
unsigned char *bits = NULL;
if (HasDirectTexture()) {
if (sDirectTexture->Width() != gAndroidBounds.width ||
sDirectTexture->Height() != gAndroidBounds.height) {
sDirectTexture->Reallocate(gAndroidBounds.width, gAndroidBounds.height);
}
sDirectTexture->Lock(AndroidGraphicBuffer::UsageSoftwareWrite, dirtyRect, &bits);
} else {
bits = client.LockBufferBits();
}
if (!bits) {
ALOG("### Failed to lock buffer");
} else {
// If tile size is 0,0, we assume we only have a single tile
int tileWidth = (gAndroidTileSize.width > 0) ? gAndroidTileSize.width : gAndroidBounds.width;
int tileHeight = (gAndroidTileSize.height > 0) ? gAndroidTileSize.height : gAndroidBounds.height;
int offset = 0;
// It is assumed that the buffer has been over-allocated so that not
// only is the tile-size constant, but that a render-offset of anything
// up to (but not including) the tile size could be accommodated.
for (int y = 0; y < gAndroidBounds.height + gAndroidTileSize.height; y += tileHeight) {
for (int x = 0; x < gAndroidBounds.width + gAndroidTileSize.width; x += tileWidth) {
nsRefPtr<gfxImageSurface> targetSurface =
new gfxImageSurface(bits + offset,
gfxIntSize(tileWidth, tileHeight),
tileWidth * 2,
gfxASurface::ImageFormatRGB16_565);
offset += tileWidth * tileHeight * 2;
if (targetSurface->CairoStatus()) {
ALOG("### Failed to create a valid surface from the bitmap");
break;
} else {
targetSurface->SetDeviceOffset(gfxPoint(renderOffset.x - x,
renderOffset.y - y));
DrawTo(targetSurface, dirtyRect);
}
}
}
}
if (HasDirectTexture()) {
sDirectTexture->Unlock();
} else {
client.UnlockBuffer();
}
client.EndDrawing(dirtyRect);
return;
#endif
if (!sSurfaceExists) {
return;
}
AndroidGeckoSurfaceView& sview(AndroidBridge::Bridge()->SurfaceView());
NS_ASSERTION(!sview.isNull(), "SurfaceView is null!");
AndroidBridge::Bridge()->HideProgressDialogOnce();
if (GetLayerManager(nsnull)->GetBackendType() == LayerManager::LAYERS_BASIC) {
if (sNativeWindow) {
unsigned char *bits;
int width, height, format, stride;
if (!AndroidBridge::Bridge()->LockWindow(sNativeWindow, &bits, &width, &height, &format, &stride)) {
ALOG("failed to lock buffer - skipping draw");
return;
}
if (!bits || format != AndroidBridge::WINDOW_FORMAT_RGB_565 ||
width != mBounds.width || height != mBounds.height) {
ALOG("surface is not expected dimensions or format - skipping draw");
AndroidBridge::Bridge()->UnlockWindow(sNativeWindow);
return;
}
nsRefPtr<gfxImageSurface> targetSurface =
new gfxImageSurface(bits,
gfxIntSize(mBounds.width, mBounds.height),
stride * 2,
gfxASurface::ImageFormatRGB16_565);
if (targetSurface->CairoStatus()) {
ALOG("### Failed to create a valid surface from the bitmap");
} else {
DrawTo(targetSurface);
}
AndroidBridge::Bridge()->UnlockWindow(sNativeWindow);
} else if (AndroidBridge::Bridge()->HasNativeBitmapAccess()) {
jobject bitmap = sview.GetSoftwareDrawBitmap();
if (!bitmap) {
ALOG("no bitmap to draw into - skipping draw");
return;
}
if (!AndroidBridge::Bridge()->ValidateBitmap(bitmap, mBounds.width, mBounds.height))
return;
void *buf = AndroidBridge::Bridge()->LockBitmap(bitmap);
if (buf == nsnull) {
ALOG("### Software drawing, but failed to lock bitmap.");
return;
}
nsRefPtr<gfxImageSurface> targetSurface =
new gfxImageSurface((unsigned char *)buf,
gfxIntSize(mBounds.width, mBounds.height),
mBounds.width * 2,
gfxASurface::ImageFormatRGB16_565);
if (targetSurface->CairoStatus()) {
ALOG("### Failed to create a valid surface from the bitmap");
} else {
DrawTo(targetSurface);
}
AndroidBridge::Bridge()->UnlockBitmap(bitmap);
sview.Draw2D(bitmap, mBounds.width, mBounds.height);
} else {
jobject bytebuf = sview.GetSoftwareDrawBuffer();
if (!bytebuf) {
ALOG("no buffer to draw into - skipping draw");
return;
}
JNIEnv *env = AndroidBridge::GetJNIEnv();
if (!env)
return;
void *buf = env->GetDirectBufferAddress(bytebuf);
int cap = env->GetDirectBufferCapacity(bytebuf);
if (!buf || cap != (mBounds.width * mBounds.height * 2)) {
ALOG("### Software drawing, but unexpected buffer size %d expected %d (or no buffer %p)!", cap, mBounds.width * mBounds.height * 2, buf);
return;
}
nsRefPtr<gfxImageSurface> targetSurface =
new gfxImageSurface((unsigned char *)buf,
gfxIntSize(mBounds.width, mBounds.height),
mBounds.width * 2,
gfxASurface::ImageFormatRGB16_565);
if (targetSurface->CairoStatus()) {
ALOG("### Failed to create a valid surface");
} else {
DrawTo(targetSurface);
}
sview.Draw2D(bytebuf, mBounds.width * 2);
}
} else {
int drawType = sview.BeginDrawing();
if (drawType == AndroidGeckoSurfaceView::DRAW_DISABLED) {
return;
}
if (drawType == AndroidGeckoSurfaceView::DRAW_ERROR) {
ALOG("##### BeginDrawing failed!");
return;
}
if (!sValidSurface) {
sGLContext->RenewSurface();
sValidSurface = true;
}
NS_ASSERTION(sGLContext, "Drawing with GLES without a GL context?");
DrawTo(nsnull);
sview.EndDrawing();
}
}
void
nsWindow::OnSizeChanged(const gfxIntSize& aSize)
{
int w = aSize.width;
int h = aSize.height;
ALOG("nsWindow: %p OnSizeChanged [%d %d]", (void*)this, w, h);
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsSizeEvent event(true, NS_SIZE, this);
InitEvent(event);
nsIntRect wsz(0, 0, w, h);
event.windowSize = &wsz;
event.mWinWidth = w;
event.mWinHeight = h;
mBounds.width = w;
mBounds.height = h;
DispatchEvent(&event);
}
void
nsWindow::InitEvent(nsGUIEvent& event, nsIntPoint* aPoint)
{
if (aPoint) {
event.refPoint.x = aPoint->x;
event.refPoint.y = aPoint->y;
} else {
event.refPoint.x = 0;
event.refPoint.y = 0;
}
event.time = PR_Now() / 1000;
}
gfxIntSize
nsWindow::GetAndroidScreenBounds()
{
if (XRE_GetProcessType() == GeckoProcessType_Content) {
return ContentChild::GetSingleton()->GetScreenSize();
}
return gAndroidScreenBounds;
}
void *
nsWindow::GetNativeData(PRUint32 aDataType)
{
switch (aDataType) {
// used by GLContextProviderEGL, NULL is EGL_DEFAULT_DISPLAY
case NS_NATIVE_DISPLAY:
return NULL;
case NS_NATIVE_WIDGET:
return (void *) this;
}
return nsnull;
}
void
nsWindow::OnMotionEvent(AndroidGeckoEvent *ae)
{
PRUint32 msg;
switch (ae->Action() & AndroidMotionEvent::ACTION_MASK) {
case AndroidMotionEvent::ACTION_DOWN:
msg = NS_MOUSE_BUTTON_DOWN;
break;
case AndroidMotionEvent::ACTION_MOVE:
msg = NS_MOUSE_MOVE;
break;
case AndroidMotionEvent::ACTION_UP:
case AndroidMotionEvent::ACTION_CANCEL:
msg = NS_MOUSE_BUTTON_UP;
break;
default:
return;
}
send_again:
nsMouseEvent event(true,
msg, this,
nsMouseEvent::eReal, nsMouseEvent::eNormal);
// XXX can we synthesize different buttons?
event.button = nsMouseEvent::eLeftButton;
if (msg != NS_MOUSE_MOVE)
event.clickCount = 1;
// XXX add the double-click handling logic here
if (ae->Points().Length() > 0)
DispatchMotionEvent(event, ae, ae->Points()[0]);
if (Destroyed())
return;
if (msg == NS_MOUSE_BUTTON_DOWN) {
msg = NS_MOUSE_MOVE;
goto send_again;
}
}
static double
getDistance(const nsIntPoint &p1, const nsIntPoint &p2)
{
double deltaX = p2.x - p1.x;
double deltaY = p2.y - p1.y;
return sqrt(deltaX*deltaX + deltaY*deltaY);
}
bool nsWindow::OnMultitouchEvent(AndroidGeckoEvent *ae)
{
switch (ae->Action() & AndroidMotionEvent::ACTION_MASK) {
case AndroidMotionEvent::ACTION_DOWN:
case AndroidMotionEvent::ACTION_POINTER_DOWN: {
nsTouchEvent event(PR_TRUE, NS_TOUCH_START, this);
return DispatchMultitouchEvent(event, ae);
}
case AndroidMotionEvent::ACTION_MOVE: {
nsTouchEvent event(PR_TRUE, NS_TOUCH_MOVE, this);
return DispatchMultitouchEvent(event, ae);
}
case AndroidMotionEvent::ACTION_UP:
case AndroidMotionEvent::ACTION_POINTER_UP: {
nsTouchEvent event(PR_TRUE, NS_TOUCH_END, this);
return DispatchMultitouchEvent(event, ae);
}
case AndroidMotionEvent::ACTION_OUTSIDE:
case AndroidMotionEvent::ACTION_CANCEL: {
nsTouchEvent event(PR_TRUE, NS_TOUCH_CANCEL, this);
return DispatchMultitouchEvent(event, ae);
}
}
return false;
}
bool
nsWindow::DispatchMultitouchEvent(nsTouchEvent &event, AndroidGeckoEvent *ae)
{
nsIntPoint offset = WidgetToScreenOffset();
event.isShift = false;
event.isControl = false;
event.isMeta = false;
event.isAlt = false;
event.time = ae->Time();
int action = ae->Action() & AndroidMotionEvent::ACTION_MASK;
if (action == AndroidMotionEvent::ACTION_UP ||
action == AndroidMotionEvent::ACTION_POINTER_UP) {
event.touches.SetCapacity(1);
int pointerIndex = ae->PointerIndex();
nsCOMPtr<nsIDOMTouch> t(new nsDOMTouch(ae->PointIndicies()[pointerIndex],
ae->Points()[pointerIndex] - offset,
ae->PointRadii()[pointerIndex],
ae->Orientations()[pointerIndex],
ae->Pressures()[pointerIndex]));
event.touches.AppendElement(t);
} else {
int count = ae->Count();
event.touches.SetCapacity(count);
for (int i = 0; i < count; i++) {
nsCOMPtr<nsIDOMTouch> t(new nsDOMTouch(ae->PointIndicies()[i],
ae->Points()[i] - offset,
ae->PointRadii()[i],
ae->Orientations()[i],
ae->Pressures()[i]));
event.touches.AppendElement(t);
}
}
nsEventStatus status;
DispatchEvent(&event, status);
if (status == nsEventStatus_eConsumeNoDefault) {
AndroidBridge::Bridge()->PreventPanning();
return true;
}
return false;
}
void
nsWindow::OnGestureEvent(AndroidGeckoEvent *ae)
{
PRUint32 msg = 0;
nsIntPoint midPoint;
midPoint.x = ((ae->Points()[0].x + ae->Points()[1].x) / 2);
midPoint.y = ((ae->Points()[0].y + ae->Points()[1].y) / 2);
nsIntPoint refPoint = midPoint - WidgetToScreenOffset();
double pinchDist = getDistance(ae->Points()[0], ae->Points()[1]);
double pinchDelta = 0;
switch (ae->Action() & AndroidMotionEvent::ACTION_MASK) {
case AndroidMotionEvent::ACTION_POINTER_DOWN:
msg = NS_SIMPLE_GESTURE_MAGNIFY_START;
mStartPoint = new nsIntPoint(midPoint);
mStartDist = mLastDist = pinchDist;
mGestureFinished = false;
break;
case AndroidMotionEvent::ACTION_MOVE:
msg = NS_SIMPLE_GESTURE_MAGNIFY_UPDATE;
pinchDelta = pinchDist - mLastDist;
mLastDist = pinchDist;
break;
case AndroidMotionEvent::ACTION_POINTER_UP:
msg = NS_SIMPLE_GESTURE_MAGNIFY;
pinchDelta = pinchDist - mStartDist;
mStartPoint = nsnull;
break;
default:
return;
}
if (!mGestureFinished) {
nsRefPtr<nsWindow> kungFuDeathGrip(this);
DispatchGestureEvent(msg, 0, pinchDelta, refPoint, ae->Time());
if (Destroyed())
return;
// If the cumulative pinch delta goes past the threshold, treat this
// as a pinch only, and not a swipe.
if (fabs(pinchDist - mStartDist) > mSwipeMaxPinchDelta)
mStartPoint = nsnull;
// If we have traveled more than SWIPE_MIN_DISTANCE from the start
// point, stop the pinch gesture and fire a swipe event.
if (mStartPoint) {
double swipeDistance = getDistance(midPoint, *mStartPoint);
if (swipeDistance > mSwipeMinDistance) {
PRUint32 direction = 0;
nsIntPoint motion = midPoint - *mStartPoint;
if (motion.x < -swipeDistance/2)
direction |= nsIDOMSimpleGestureEvent::DIRECTION_LEFT;
if (motion.x > swipeDistance/2)
direction |= nsIDOMSimpleGestureEvent::DIRECTION_RIGHT;
if (motion.y < -swipeDistance/2)
direction |= nsIDOMSimpleGestureEvent::DIRECTION_UP;
if (motion.y > swipeDistance/2)
direction |= nsIDOMSimpleGestureEvent::DIRECTION_DOWN;
// Finish the pinch gesture, then fire the swipe event:
msg = NS_SIMPLE_GESTURE_MAGNIFY;
DispatchGestureEvent(msg, 0, pinchDist - mStartDist, refPoint, ae->Time());
if (Destroyed())
return;
msg = NS_SIMPLE_GESTURE_SWIPE;
DispatchGestureEvent(msg, direction, 0, refPoint, ae->Time());
// Don't generate any more gesture events for this touch.
mGestureFinished = true;
}
}
}
}
void
nsWindow::DispatchGestureEvent(PRUint32 msg, PRUint32 direction, double delta,
const nsIntPoint &refPoint, PRUint64 time)
{
nsSimpleGestureEvent event(true, msg, this, direction, delta);
event.isShift = false;
event.isControl = false;
event.isMeta = false;
event.isAlt = false;
event.time = time;
event.refPoint = refPoint;
DispatchEvent(&event);
}
void
nsWindow::DispatchMotionEvent(nsInputEvent &event, AndroidGeckoEvent *ae,
const nsIntPoint &refPoint)
{
nsIntPoint offset = WidgetToScreenOffset();
event.isShift = PR_FALSE;
event.isControl = PR_FALSE;
event.isMeta = PR_FALSE;
event.isAlt = PR_FALSE;
event.time = ae->Time();
// XXX possibly bound the range of event.refPoint here.
// some code may get confused.
event.refPoint = refPoint - offset;
DispatchEvent(&event);
}
void
nsWindow::InitKeyEvent(nsKeyEvent& event, AndroidGeckoEvent& key)
{
switch (key.KeyCode()) {
case AndroidKeyEvent::KEYCODE_UNKNOWN:
case AndroidKeyEvent::KEYCODE_HOME:
break;
case AndroidKeyEvent::KEYCODE_BACK:
event.keyCode = NS_VK_ESCAPE;
break;
case AndroidKeyEvent::KEYCODE_CALL:
case AndroidKeyEvent::KEYCODE_ENDCALL:
break;
case AndroidKeyEvent::KEYCODE_0:
case AndroidKeyEvent::KEYCODE_1:
case AndroidKeyEvent::KEYCODE_2:
case AndroidKeyEvent::KEYCODE_3:
case AndroidKeyEvent::KEYCODE_4:
case AndroidKeyEvent::KEYCODE_5:
case AndroidKeyEvent::KEYCODE_6:
case AndroidKeyEvent::KEYCODE_7:
case AndroidKeyEvent::KEYCODE_8:
case AndroidKeyEvent::KEYCODE_9:
event.keyCode = key.KeyCode() - AndroidKeyEvent::KEYCODE_0 + NS_VK_0;
break;
case AndroidKeyEvent::KEYCODE_STAR:
event.keyCode = NS_VK_MULTIPLY;
break;
case AndroidKeyEvent::KEYCODE_POUND:
break;
case AndroidKeyEvent::KEYCODE_DPAD_UP:
event.keyCode = NS_VK_UP;
break;
case AndroidKeyEvent::KEYCODE_DPAD_DOWN:
event.keyCode = NS_VK_DOWN;
break;
case AndroidKeyEvent::KEYCODE_SOFT_LEFT:
case AndroidKeyEvent::KEYCODE_DPAD_LEFT:
event.keyCode = NS_VK_LEFT;
break;
case AndroidKeyEvent::KEYCODE_SOFT_RIGHT:
case AndroidKeyEvent::KEYCODE_DPAD_RIGHT:
event.keyCode = NS_VK_RIGHT;
break;
case AndroidKeyEvent::KEYCODE_VOLUME_UP:
case AndroidKeyEvent::KEYCODE_VOLUME_DOWN:
case AndroidKeyEvent::KEYCODE_POWER:
case AndroidKeyEvent::KEYCODE_CAMERA:
case AndroidKeyEvent::KEYCODE_CLEAR:
break;
case AndroidKeyEvent::KEYCODE_A:
case AndroidKeyEvent::KEYCODE_B:
case AndroidKeyEvent::KEYCODE_C:
case AndroidKeyEvent::KEYCODE_D:
case AndroidKeyEvent::KEYCODE_E:
case AndroidKeyEvent::KEYCODE_F:
case AndroidKeyEvent::KEYCODE_G:
case AndroidKeyEvent::KEYCODE_H:
case AndroidKeyEvent::KEYCODE_I:
case AndroidKeyEvent::KEYCODE_J:
case AndroidKeyEvent::KEYCODE_K:
case AndroidKeyEvent::KEYCODE_L:
case AndroidKeyEvent::KEYCODE_M:
case AndroidKeyEvent::KEYCODE_N:
case AndroidKeyEvent::KEYCODE_O:
case AndroidKeyEvent::KEYCODE_P:
case AndroidKeyEvent::KEYCODE_Q:
case AndroidKeyEvent::KEYCODE_R:
case AndroidKeyEvent::KEYCODE_S:
case AndroidKeyEvent::KEYCODE_T:
case AndroidKeyEvent::KEYCODE_U:
case AndroidKeyEvent::KEYCODE_V:
case AndroidKeyEvent::KEYCODE_W:
case AndroidKeyEvent::KEYCODE_X:
case AndroidKeyEvent::KEYCODE_Y:
case AndroidKeyEvent::KEYCODE_Z:
event.keyCode = key.KeyCode() - AndroidKeyEvent::KEYCODE_A + NS_VK_A;
break;
case AndroidKeyEvent::KEYCODE_COMMA:
event.keyCode = NS_VK_COMMA;
break;
case AndroidKeyEvent::KEYCODE_PERIOD:
event.keyCode = NS_VK_PERIOD;
break;
case AndroidKeyEvent::KEYCODE_ALT_LEFT:
case AndroidKeyEvent::KEYCODE_ALT_RIGHT:
case AndroidKeyEvent::KEYCODE_SHIFT_LEFT:
case AndroidKeyEvent::KEYCODE_SHIFT_RIGHT:
break;
case AndroidKeyEvent::KEYCODE_TAB:
event.keyCode = NS_VK_TAB;
break;
case AndroidKeyEvent::KEYCODE_SPACE:
event.keyCode = NS_VK_SPACE;
break;
case AndroidKeyEvent::KEYCODE_SYM:
case AndroidKeyEvent::KEYCODE_EXPLORER:
case AndroidKeyEvent::KEYCODE_ENVELOPE:
break;
case AndroidKeyEvent::KEYCODE_DPAD_CENTER:
case AndroidKeyEvent::KEYCODE_ENTER:
event.keyCode = NS_VK_RETURN;
break;
case AndroidKeyEvent::KEYCODE_DEL:
event.keyCode = NS_VK_BACK;
break;
case AndroidKeyEvent::KEYCODE_GRAVE:
break;
case AndroidKeyEvent::KEYCODE_MINUS:
event.keyCode = NS_VK_SUBTRACT;
break;
case AndroidKeyEvent::KEYCODE_EQUALS:
event.keyCode = NS_VK_EQUALS;
break;
case AndroidKeyEvent::KEYCODE_LEFT_BRACKET:
event.keyCode = NS_VK_OPEN_BRACKET;
break;
case AndroidKeyEvent::KEYCODE_RIGHT_BRACKET:
event.keyCode = NS_VK_CLOSE_BRACKET;
break;
case AndroidKeyEvent::KEYCODE_BACKSLASH:
event.keyCode = NS_VK_BACK_SLASH;
break;
case AndroidKeyEvent::KEYCODE_SEMICOLON:
event.keyCode = NS_VK_SEMICOLON;
break;
case AndroidKeyEvent::KEYCODE_APOSTROPHE:
event.keyCode = NS_VK_QUOTE;
break;
case AndroidKeyEvent::KEYCODE_SLASH:
event.keyCode = NS_VK_SLASH;
break;
case AndroidKeyEvent::KEYCODE_AT:
case AndroidKeyEvent::KEYCODE_NUM:
case AndroidKeyEvent::KEYCODE_HEADSETHOOK:
case AndroidKeyEvent::KEYCODE_FOCUS:
break;
case AndroidKeyEvent::KEYCODE_PLUS:
event.keyCode = NS_VK_ADD;
break;
case AndroidKeyEvent::KEYCODE_MENU:
case AndroidKeyEvent::KEYCODE_NOTIFICATION:
case AndroidKeyEvent::KEYCODE_SEARCH:
case AndroidKeyEvent::KEYCODE_MEDIA_PLAY_PAUSE:
case AndroidKeyEvent::KEYCODE_MEDIA_STOP:
case AndroidKeyEvent::KEYCODE_MEDIA_NEXT:
case AndroidKeyEvent::KEYCODE_MEDIA_PREVIOUS:
case AndroidKeyEvent::KEYCODE_MEDIA_REWIND:
case AndroidKeyEvent::KEYCODE_MEDIA_FAST_FORWARD:
case AndroidKeyEvent::KEYCODE_MUTE:
break;
default:
ALOG("Unknown key code!");
break;
}
// Android gives us \n, so filter out some control characters.
if (event.message == NS_KEY_PRESS &&
key.UnicodeChar() >= ' ') {
event.charCode = key.UnicodeChar();
if (key.UnicodeChar())
event.keyCode = 0;
}
event.isShift = !!(key.MetaState() & AndroidKeyEvent::META_SHIFT_ON);
event.isControl = gMenu;
event.isAlt = !!(key.MetaState() & AndroidKeyEvent::META_ALT_ON);
event.isMeta = false;
event.time = key.Time();
if (gMenu)
gMenuConsumed = true;
}
void
nsWindow::HandleSpecialKey(AndroidGeckoEvent *ae)
{
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsCOMPtr<nsIAtom> command;
bool isDown = ae->Action() == AndroidKeyEvent::ACTION_DOWN;
bool isLongPress = !!(ae->Flags() & AndroidKeyEvent::FLAG_LONG_PRESS);
bool doCommand = false;
PRUint32 keyCode = ae->KeyCode();
if (isDown) {
switch (keyCode) {
case AndroidKeyEvent::KEYCODE_BACK:
if (isLongPress) {
command = nsGkAtoms::Clear;
doCommand = true;
}
break;
case AndroidKeyEvent::KEYCODE_VOLUME_UP:
command = nsGkAtoms::VolumeUp;
doCommand = true;
break;
case AndroidKeyEvent::KEYCODE_VOLUME_DOWN:
command = nsGkAtoms::VolumeDown;
doCommand = true;
break;
case AndroidKeyEvent::KEYCODE_MENU:
gMenu = true;
gMenuConsumed = isLongPress;
break;
}
} else {
switch (keyCode) {
case AndroidKeyEvent::KEYCODE_BACK: {
nsKeyEvent pressEvent(true, NS_KEY_PRESS, this);
InitKeyEvent(pressEvent, *ae);
DispatchEvent(&pressEvent);
return;
}
case AndroidKeyEvent::KEYCODE_MENU:
gMenu = false;
if (!gMenuConsumed) {
command = nsGkAtoms::Menu;
doCommand = true;
}
break;
case AndroidKeyEvent::KEYCODE_SEARCH:
command = nsGkAtoms::Search;
doCommand = true;
break;
default:
ALOG("Unknown special key code!");
return;
}
}
if (doCommand) {
nsCommandEvent event(true, nsGkAtoms::onAppCommand, command, this);
InitEvent(event);
DispatchEvent(&event);
}
}
void
nsWindow::OnKeyEvent(AndroidGeckoEvent *ae)
{
nsRefPtr<nsWindow> kungFuDeathGrip(this);
PRUint32 msg;
switch (ae->Action()) {
case AndroidKeyEvent::ACTION_DOWN:
msg = NS_KEY_DOWN;
break;
case AndroidKeyEvent::ACTION_UP:
msg = NS_KEY_UP;
break;
case AndroidKeyEvent::ACTION_MULTIPLE:
{
nsTextEvent event(true, NS_TEXT_TEXT, this);
event.theText.Assign(ae->Characters());
DispatchEvent(&event);
}
return;
default:
ALOG("Unknown key action event!");
return;
}
bool firePress = ae->Action() == AndroidKeyEvent::ACTION_DOWN;
switch (ae->KeyCode()) {
case AndroidKeyEvent::KEYCODE_SHIFT_LEFT:
case AndroidKeyEvent::KEYCODE_SHIFT_RIGHT:
case AndroidKeyEvent::KEYCODE_ALT_LEFT:
case AndroidKeyEvent::KEYCODE_ALT_RIGHT:
firePress = false;
break;
case AndroidKeyEvent::KEYCODE_BACK:
case AndroidKeyEvent::KEYCODE_MENU:
case AndroidKeyEvent::KEYCODE_SEARCH:
case AndroidKeyEvent::KEYCODE_VOLUME_UP:
case AndroidKeyEvent::KEYCODE_VOLUME_DOWN:
HandleSpecialKey(ae);
return;
}
nsEventStatus status;
nsKeyEvent event(true, msg, this);
InitKeyEvent(event, *ae);
DispatchEvent(&event, status);
if (Destroyed())
return;
if (!firePress)
return;
nsKeyEvent pressEvent(true, NS_KEY_PRESS, this);
InitKeyEvent(pressEvent, *ae);
if (status == nsEventStatus_eConsumeNoDefault) {
pressEvent.flags |= NS_EVENT_FLAG_NO_DEFAULT;
}
#ifdef DEBUG_ANDROID_WIDGET
__android_log_print(ANDROID_LOG_INFO, "Gecko", "Dispatching key pressEvent with keyCode %d charCode %d shift %d alt %d sym/ctrl %d metamask %d", pressEvent.keyCode, pressEvent.charCode, pressEvent.isShift, pressEvent.isAlt, pressEvent.isControl, ae->MetaState());
#endif
DispatchEvent(&pressEvent);
}
#ifdef DEBUG_ANDROID_IME
#define ALOGIME(args...) ALOG(args)
#else
#define ALOGIME(args...)
#endif
void
nsWindow::OnIMEAddRange(AndroidGeckoEvent *ae)
{
//ALOGIME("IME: IME_ADD_RANGE");
nsTextRange range;
range.mStartOffset = ae->Offset();
range.mEndOffset = range.mStartOffset + ae->Count();
range.mRangeType = ae->RangeType();
range.mRangeStyle.mDefinedStyles = ae->RangeStyles();
range.mRangeStyle.mLineStyle = nsTextRangeStyle::LINESTYLE_SOLID;
range.mRangeStyle.mForegroundColor = NS_RGBA(
((ae->RangeForeColor() >> 16) & 0xff),
((ae->RangeForeColor() >> 8) & 0xff),
(ae->RangeForeColor() & 0xff),
((ae->RangeForeColor() >> 24) & 0xff));
range.mRangeStyle.mBackgroundColor = NS_RGBA(
((ae->RangeBackColor() >> 16) & 0xff),
((ae->RangeBackColor() >> 8) & 0xff),
(ae->RangeBackColor() & 0xff),
((ae->RangeBackColor() >> 24) & 0xff));
mIMERanges.AppendElement(range);
return;
}
void
nsWindow::OnIMEEvent(AndroidGeckoEvent *ae)
{
nsRefPtr<nsWindow> kungFuDeathGrip(this);
switch (ae->Action()) {
case AndroidGeckoEvent::IME_COMPOSITION_END:
{
ALOGIME("IME: IME_COMPOSITION_END");
nsCompositionEvent event(true, NS_COMPOSITION_END, this);
InitEvent(event, nsnull);
event.data = mIMELastDispatchedComposingText;
mIMELastDispatchedComposingText.Truncate();
DispatchEvent(&event);
}
return;
case AndroidGeckoEvent::IME_COMPOSITION_BEGIN:
{
ALOGIME("IME: IME_COMPOSITION_BEGIN");
mIMELastDispatchedComposingText.Truncate();
nsCompositionEvent event(true, NS_COMPOSITION_START, this);
InitEvent(event, nsnull);
DispatchEvent(&event);
}
return;
case AndroidGeckoEvent::IME_ADD_RANGE:
{
OnIMEAddRange(ae);
}
return;
case AndroidGeckoEvent::IME_SET_TEXT:
{
OnIMEAddRange(ae);
nsTextEvent event(true, NS_TEXT_TEXT, this);
InitEvent(event, nsnull);
event.theText.Assign(ae->Characters());
event.rangeArray = mIMERanges.Elements();
event.rangeCount = mIMERanges.Length();
if (mIMEComposing &&
event.theText != mIMELastDispatchedComposingText) {
nsCompositionEvent compositionUpdate(true,
NS_COMPOSITION_UPDATE,
this);
InitEvent(compositionUpdate, nsnull);
compositionUpdate.data = event.theText;
mIMELastDispatchedComposingText = event.theText;
DispatchEvent(&compositionUpdate);
if (Destroyed())
return;
}
ALOGIME("IME: IME_SET_TEXT: l=%u, r=%u",
event.theText.Length(), mIMERanges.Length());
DispatchEvent(&event);
mIMERanges.Clear();
}
return;
case AndroidGeckoEvent::IME_GET_TEXT:
{
ALOGIME("IME: IME_GET_TEXT: o=%u, l=%u", ae->Offset(), ae->Count());
nsQueryContentEvent event(true, NS_QUERY_TEXT_CONTENT, this);
InitEvent(event, nsnull);
event.InitForQueryTextContent(ae->Offset(), ae->Count());
DispatchEvent(&event);
if (!event.mSucceeded) {
ALOGIME("IME: -> failed");
AndroidBridge::Bridge()->ReturnIMEQueryResult(
nsnull, 0, 0, 0);
return;
} else if (!event.mWasAsync) {
AndroidBridge::Bridge()->ReturnIMEQueryResult(
event.mReply.mString.get(),
event.mReply.mString.Length(), 0, 0);
}
//ALOGIME("IME: -> l=%u", event.mReply.mString.Length());
}
return;
case AndroidGeckoEvent::IME_DELETE_TEXT:
{
ALOGIME("IME: IME_DELETE_TEXT");
nsKeyEvent event(true, NS_KEY_PRESS, this);
InitEvent(event, nsnull);
event.keyCode = NS_VK_BACK;
DispatchEvent(&event);
}
return;
case AndroidGeckoEvent::IME_SET_SELECTION:
{
ALOGIME("IME: IME_SET_SELECTION: o=%u, l=%d", ae->Offset(), ae->Count());
nsSelectionEvent selEvent(true, NS_SELECTION_SET, this);
InitEvent(selEvent, nsnull);
selEvent.mOffset = PRUint32(ae->Count() >= 0 ?
ae->Offset() :
ae->Offset() + ae->Count());
selEvent.mLength = PRUint32(NS_ABS(ae->Count()));
selEvent.mReversed = ae->Count() >= 0 ? false : true;
DispatchEvent(&selEvent);
}
return;
case AndroidGeckoEvent::IME_GET_SELECTION:
{
ALOGIME("IME: IME_GET_SELECTION");
nsQueryContentEvent event(true, NS_QUERY_SELECTED_TEXT, this);
InitEvent(event, nsnull);
DispatchEvent(&event);
if (!event.mSucceeded) {
ALOGIME("IME: -> failed");
AndroidBridge::Bridge()->ReturnIMEQueryResult(
nsnull, 0, 0, 0);
return;
} else if (!event.mWasAsync) {
AndroidBridge::Bridge()->ReturnIMEQueryResult(
event.mReply.mString.get(),
event.mReply.mString.Length(),
event.GetSelectionStart(),
event.GetSelectionEnd() - event.GetSelectionStart());
}
//ALOGIME("IME: -> o=%u, l=%u", event.mReply.mOffset, event.mReply.mString.Length());
}
return;
}
}
nsWindow *
nsWindow::FindWindowForPoint(const nsIntPoint& pt)
{
if (!mBounds.Contains(pt))
return nsnull;
// children mBounds are relative to their parent
nsIntPoint childPoint(pt.x - mBounds.x, pt.y - mBounds.y);
for (PRUint32 i = 0; i < mChildren.Length(); ++i) {
if (mChildren[i]->mBounds.Contains(childPoint))
return mChildren[i]->FindWindowForPoint(childPoint);
}
return this;
}
void
nsWindow::UserActivity()
{
if (!mIdleService) {
mIdleService = do_GetService("@mozilla.org/widget/idleservice;1");
}
if (mIdleService) {
mIdleService->ResetIdleTimeOut();
}
}
NS_IMETHODIMP
nsWindow::ResetInputState()
{
//ALOGIME("IME: ResetInputState: s=%d", aState);
// Cancel composition on Gecko side
if (mIMEComposing) {
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsTextEvent textEvent(true, NS_TEXT_TEXT, this);
InitEvent(textEvent, nsnull);
textEvent.theText = mIMEComposingText;
DispatchEvent(&textEvent);
mIMEComposingText.Truncate(0);
nsCompositionEvent event(true, NS_COMPOSITION_END, this);
InitEvent(event, nsnull);
DispatchEvent(&event);
}
AndroidBridge::NotifyIME(AndroidBridge::NOTIFY_IME_RESETINPUTSTATE, 0);
// Send IME text/selection change notifications
OnIMETextChange(0, 0, 0);
OnIMESelectionChange();
return NS_OK;
}
NS_IMETHODIMP_(void)
nsWindow::SetInputContext(const InputContext& aContext,
const InputContextAction& aAction)
{
ALOGIME("IME: SetInputContext: s=0x%X, 0x%X, action=0x%X, 0x%X",
aContext.mIMEState.mEnabled, aContext.mIMEState.mOpen,
aAction.mCause, aAction.mFocusChange);
mInputContext = aContext;
// Ensure that opening the virtual keyboard is allowed for this specific
// InputContext depending on the content.ime.strict.policy pref
if (aContext.mIMEState.mEnabled != IMEState::DISABLED &&
aContext.mIMEState.mEnabled != IMEState::PLUGIN &&
Preferences::GetBool("content.ime.strict_policy", false) &&
!aAction.ContentGotFocusByTrustedCause() &&
!aAction.UserMightRequestOpenVKB()) {
return;
}
AndroidBridge::NotifyIMEEnabled(int(aContext.mIMEState.mEnabled),
aContext.mHTMLInputType,
aContext.mActionHint);
}
NS_IMETHODIMP_(InputContext)
nsWindow::GetInputContext()
{
mInputContext.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
return mInputContext;
}
NS_IMETHODIMP
nsWindow::CancelIMEComposition()
{
ALOGIME("IME: CancelIMEComposition");
// Cancel composition on Gecko side
if (mIMEComposing) {
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsTextEvent textEvent(true, NS_TEXT_TEXT, this);
InitEvent(textEvent, nsnull);
DispatchEvent(&textEvent);
mIMEComposingText.Truncate(0);
nsCompositionEvent compEvent(true, NS_COMPOSITION_END, this);
InitEvent(compEvent, nsnull);
DispatchEvent(&compEvent);
}
AndroidBridge::NotifyIME(AndroidBridge::NOTIFY_IME_CANCELCOMPOSITION, 0);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::OnIMEFocusChange(bool aFocus)
{
ALOGIME("IME: OnIMEFocusChange: f=%d", aFocus);
AndroidBridge::NotifyIME(AndroidBridge::NOTIFY_IME_FOCUSCHANGE,
int(aFocus));
if (aFocus) {
OnIMETextChange(0, 0, 0);
OnIMESelectionChange();
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::OnIMETextChange(PRUint32 aStart, PRUint32 aOldEnd, PRUint32 aNewEnd)
{
ALOGIME("IME: OnIMETextChange: s=%d, oe=%d, ne=%d",
aStart, aOldEnd, aNewEnd);
// A quirk in Android makes it necessary to pass the whole text.
// The more efficient way would have been passing the substring from index
// aStart to index aNewEnd
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsQueryContentEvent event(true, NS_QUERY_TEXT_CONTENT, this);
InitEvent(event, nsnull);
event.InitForQueryTextContent(0, PR_UINT32_MAX);
DispatchEvent(&event);
if (!event.mSucceeded)
return NS_OK;
AndroidBridge::NotifyIMEChange(event.mReply.mString.get(),
event.mReply.mString.Length(),
aStart, aOldEnd, aNewEnd);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::OnIMESelectionChange(void)
{
ALOGIME("IME: OnIMESelectionChange");
nsRefPtr<nsWindow> kungFuDeathGrip(this);
nsQueryContentEvent event(true, NS_QUERY_SELECTED_TEXT, this);
InitEvent(event, nsnull);
DispatchEvent(&event);
if (!event.mSucceeded)
return NS_OK;
AndroidBridge::NotifyIMEChange(nsnull, 0, int(event.mReply.mOffset),
int(event.mReply.mOffset +
event.mReply.mString.Length()), -1);
return NS_OK;
}
nsIMEUpdatePreference
nsWindow::GetIMEUpdatePreference()
{
return nsIMEUpdatePreference(true, true);
}
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