Adding a new sub-plugin that gives visual feedback for navigation keys.
This commit is contained in:
Derek Sollenberger
242
samples/BrowserPlugin/jni/navigation/NavigationPlugin.cpp
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242
samples/BrowserPlugin/jni/navigation/NavigationPlugin.cpp
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/*
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* Copyright 2010, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "NavigationPlugin.h"
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#include <stdio.h>
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#include <sys/time.h>
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#include <time.h>
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#include <math.h>
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#include <string.h>
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extern NPNetscapeFuncs* browser;
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extern ANPLogInterfaceV0 gLogI;
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extern ANPCanvasInterfaceV0 gCanvasI;
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extern ANPPaintInterfaceV0 gPaintI;
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extern ANPTypefaceInterfaceV0 gTypefaceI;
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extern ANPWindowInterfaceV0 gWindowI;
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static void inval(NPP instance) {
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browser->invalidaterect(instance, NULL);
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}
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static uint16 rnd16(float x, int inset) {
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int ix = (int)roundf(x) + inset;
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if (ix < 0) {
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ix = 0;
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}
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return static_cast<uint16>(ix);
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}
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static void inval(NPP instance, const ANPRectF& r, bool doAA) {
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const int inset = doAA ? -1 : 0;
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PluginObject *obj = reinterpret_cast<PluginObject*>(instance->pdata);
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NPRect inval;
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inval.left = rnd16(r.left, inset);
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inval.top = rnd16(r.top, inset);
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inval.right = rnd16(r.right, -inset);
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inval.bottom = rnd16(r.bottom, -inset);
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browser->invalidaterect(instance, &inval);
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}
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///////////////////////////////////////////////////////////////////////////////
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NavigationPlugin::NavigationPlugin(NPP inst) : SubPlugin(inst) {
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m_hasFocus = false;
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m_activeNav = NULL;
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m_paintDisabled = gPaintI.newPaint();
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gPaintI.setFlags(m_paintDisabled, gPaintI.getFlags(m_paintDisabled) | kAntiAlias_ANPPaintFlag);
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gPaintI.setColor(m_paintDisabled, 0xFFFFFFFF);
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m_paintActive = gPaintI.newPaint();
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gPaintI.setFlags(m_paintActive, gPaintI.getFlags(m_paintActive) | kAntiAlias_ANPPaintFlag);
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gPaintI.setColor(m_paintActive, 0xFFFFFF00);
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//register for key events
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ANPEventFlags flags = kKey_ANPEventFlag;
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NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
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if (err != NPERR_NO_ERROR) {
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gLogI.log(kError_ANPLogType, "Error selecting input events.");
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}
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}
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NavigationPlugin::~NavigationPlugin() {
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gPaintI.deletePaint(m_paintDisabled);
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gPaintI.deletePaint(m_paintActive);
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}
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bool NavigationPlugin::supportsDrawingModel(ANPDrawingModel model) {
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return (model == kBitmap_ANPDrawingModel);
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}
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void NavigationPlugin::drawPlugin(const ANPBitmap& bitmap, const ANPRectI& clip) {
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ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
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ANPRectF clipR;
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clipR.left = clip.left;
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clipR.top = clip.top;
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clipR.right = clip.right;
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clipR.bottom = clip.bottom;
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gCanvasI.clipRect(canvas, &clipR);
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draw(canvas);
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gCanvasI.deleteCanvas(canvas);
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}
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void NavigationPlugin::draw(ANPCanvas* canvas) {
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NPP instance = this->inst();
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PluginObject *obj = (PluginObject*) instance->pdata;
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const int W = obj->window->width;
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const int H = obj->window->height;
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const int Wm = W/2;
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const int Hm = H/2;
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// color the plugin canvas
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gCanvasI.drawColor(canvas, (m_hasFocus) ? 0xFFCDCDCD : 0xFF545454);
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// draw the nav up box (5 px from the top edge)
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m_navUp.left = Wm - 15;
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m_navUp.top = 5;
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m_navUp.right = m_navUp.left + 30;
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m_navUp.bottom = m_navUp.top + 30;
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gCanvasI.drawRect(canvas, &m_navUp, getPaint(&m_navUp));
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// draw the nav down box (5 px from the bottom edge)
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m_navDown.left = Wm - 15;
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m_navDown.top = H - (30 + 5);
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m_navDown.right = m_navDown.left + 30;
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m_navDown.bottom = m_navDown.top + 30;
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gCanvasI.drawRect(canvas, &m_navDown, getPaint(&m_navDown));
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// draw the nav left box (5 px from the left edge)
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m_navLeft.left = 5;
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m_navLeft.top = Hm - 15;
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m_navLeft.right = m_navLeft.left + 30;
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m_navLeft.bottom = m_navLeft.top + 30;
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gCanvasI.drawRect(canvas, &m_navLeft, getPaint(&m_navLeft));
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// draw the nav right box (5 px from the right edge)
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m_navRight.left = W - (30 + 5);
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m_navRight.top = Hm - 15;
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m_navRight.right = m_navRight.left + 30;
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m_navRight.bottom = m_navRight.top + 30;
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gCanvasI.drawRect(canvas, &m_navRight, getPaint(&m_navRight));
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// draw the nav center box
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m_navCenter.left = Wm - 15;
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m_navCenter.top = Hm - 15;
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m_navCenter.right = m_navCenter.left + 30;
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m_navCenter.bottom = m_navCenter.top + 30;
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gCanvasI.drawRect(canvas, &m_navCenter, getPaint(&m_navCenter));
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gLogI.log(kDebug_ANPLogType, "----%p Drawing Plugin", inst());
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}
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ANPPaint* NavigationPlugin::getPaint(ANPRectF* input) {
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return (input == m_activeNav) ? m_paintActive : m_paintDisabled;
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}
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int16 NavigationPlugin::handleEvent(const ANPEvent* evt) {
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NPP instance = this->inst();
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switch (evt->eventType) {
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case kDraw_ANPEventType:
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switch (evt->data.draw.model) {
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case kBitmap_ANPDrawingModel:
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drawPlugin(evt->data.draw.data.bitmap, evt->data.draw.clip);
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return 1;
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default:
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break; // unknown drawing model
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}
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break;
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case kLifecycle_ANPEventType:
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if (evt->data.lifecycle.action == kLoseFocus_ANPLifecycleAction) {
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gLogI.log(kDebug_ANPLogType, "----%p Loosing Focus", instance);
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m_hasFocus = false;
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inval(instance);
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return 1;
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}
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else if (evt->data.lifecycle.action == kGainFocus_ANPLifecycleAction) {
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gLogI.log(kDebug_ANPLogType, "----%p Gaining Focus", instance);
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m_hasFocus = true;
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inval(instance);
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return 1;
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}
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break;
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case kMouse_ANPEventType:
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return 1;
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case kKey_ANPEventType:
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if (evt->data.key.action == kDown_ANPKeyAction) {
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bool result = handleNavigation(evt->data.key.nativeCode);
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inval(instance);
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return result;
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}
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return 1;
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default:
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break;
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}
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return 0; // unknown or unhandled event
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}
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bool NavigationPlugin::handleNavigation(ANPKeyCode keyCode) {
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NPP instance = this->inst();
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gLogI.log(kDebug_ANPLogType, "----%p Received Key %d", instance, keyCode);
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switch (keyCode) {
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case kDpadUp_ANPKeyCode:
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m_activeNav = &m_navUp;
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break;
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case kDpadDown_ANPKeyCode:
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m_activeNav = &m_navDown;
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break;
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case kDpadLeft_ANPKeyCode:
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m_activeNav = &m_navLeft;
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break;
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case kDpadRight_ANPKeyCode:
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m_activeNav = &m_navRight;
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break;
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case kDpadCenter_ANPKeyCode:
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m_activeNav = &m_navCenter;
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break;
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case kQ_ANPKeyCode:
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case kDel_ANPKeyCode:
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m_activeNav = NULL;
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return false;
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default:
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m_activeNav = NULL;
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break;
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}
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return true;
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}
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