[Remoting Android] Remove Cardboard Code

remoting/android/java/src/org/chromium/chromoting/cardboard/MenuItem.java

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chromoting.cardboard;
-
-import static org.chromium.chromoting.cardboard.CardboardUtil.makeFloatBuffer;
-import static org.chromium.chromoting.cardboard.CardboardUtil.makeRectangularTextureBuffer;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.PointF;
-import android.graphics.RectF;
-import android.opengl.GLES20;
-
-import org.chromium.chromoting.cardboard.MenuBar.MenuItemType;
-
-import java.nio.FloatBuffer;
-
-/**
- * Cardboard activity menu item representing a corresponding function.
- */
-public class MenuItem {
-    private static final String VERTEX_SHADER =
-            "uniform mat4 u_CombinedMatrix;"
-            + "attribute vec4 a_Position;"
-            + "attribute vec2 a_TexCoordinate;"
-            + "varying vec2 v_TexCoordinate;"
-            + "attribute float a_selected;"
-            + "varying float v_selected;"
-            + "void main() {"
-            + "  v_selected = a_selected;"
-            + "  v_TexCoordinate = a_TexCoordinate;"
-            + "  gl_Position = u_CombinedMatrix * a_Position;"
-            + "}";
-
-    private static final String FRAGMENT_SHADER =
-            "precision mediump float;"
-            + "uniform sampler2D u_Texture;"
-            + "varying vec2 v_TexCoordinate;"
-            + "varying float v_selected;"
-            + "void main() {"
-            + "  vec4 texture = texture2D(u_Texture, v_TexCoordinate);"
-            + "  if (v_selected > 0.5) {"
-            + "    gl_FragColor = vec4(texture.r + 0.5, texture.g + 0.5,"
-            + "        texture.b + 0.5, texture.a);"
-            + "  } else {"
-            + "    gl_FragColor = texture;"
-            + "  }"
-            + "}";
-
-    private static final FloatBuffer TEXTURE_COORDINATES = makeRectangularTextureBuffer(
-            0.0f, 1.0f, 0.0f, 1.0f);
-
-    private static final int POSITION_COORDINATE_DATA_SIZE = 3;
-    private static final int TEXTURE_COORDINATE_DATA_SIZE = 2;
-
-    // Number of vertices passed to glDrawArrays().
-    private static final int VERTICES_NUMBER = 6;
-
-    private final FloatBuffer mPositionCoordinates;
-
-    private int mVertexShaderHandle;
-    private int mFragmentShaderHandle;
-    private int mProgramHandle;
-    private int mCombinedMatrixHandle;
-    private int mTextureUniformHandle;
-    private int mPositionHandle;
-    private int mTextureDataHandle;
-    private int mTextureCoordinateHandle;
-    private int mItemSelectedHandle;
-
-    private MenuItemType mType;
-
-    private RectF mRect;
-
-    public MenuItem(Context context, MenuItemType type, RectF rect) {
-        mType = type;
-        mRect = new RectF(rect);
-        float halfHeight = mRect.height() / 2;
-        float halfWidth = mRect.width() / 2;
-        mPositionCoordinates = makeFloatBuffer(new float[] {
-            // Desktop model coordinates.
-            -halfWidth, halfHeight, 0.0f,
-            -halfWidth, -halfHeight, 0.0f,
-            halfWidth, halfHeight, 0.0f,
-            -halfWidth, -halfHeight, 0.0f,
-            halfWidth, -halfHeight, 0.0f,
-            halfWidth, halfHeight, 0.0f
-        });
-
-        mVertexShaderHandle =
-                ShaderHelper.compileShader(GLES20.GL_VERTEX_SHADER, VERTEX_SHADER);
-        mFragmentShaderHandle =
-                ShaderHelper.compileShader(GLES20.GL_FRAGMENT_SHADER, FRAGMENT_SHADER);
-        mProgramHandle = ShaderHelper.createAndLinkProgram(mVertexShaderHandle,
-                mFragmentShaderHandle, new String[] {"a_Position", "a_TexCoordinate",
-                    "a_selected", "u_CombinedMatrix", "u_Texture"});
-
-        mCombinedMatrixHandle =
-                GLES20.glGetUniformLocation(mProgramHandle, "u_CombinedMatrix");
-        mTextureUniformHandle = GLES20.glGetUniformLocation(mProgramHandle, "u_Texture");
-        mPositionHandle = GLES20.glGetAttribLocation(mProgramHandle, "a_Position");
-        mItemSelectedHandle = GLES20.glGetAttribLocation(mProgramHandle, "a_selected");
-        mTextureDataHandle = TextureHelper.createTextureHandle();
-        mTextureCoordinateHandle = GLES20.glGetAttribLocation(mProgramHandle, "a_TexCoordinate");
-
-        Bitmap texture = BitmapFactory.decodeResource(context.getResources(),
-                    type.resourceId());
-        TextureHelper.linkTexture(mTextureDataHandle, texture);
-        texture.recycle();
-    }
-
-    /**
-     * Return the type of this menu item.
-     */
-    public MenuItemType getType() {
-        return mType;
-    }
-
-    /**
-     * Return the position of the center of this menu item.
-     */
-    public PointF getPosition() {
-        return new PointF(mRect.centerX(), mRect.centerY());
-    }
-
-    /**
-     * Return true if the point is inside this menu item.
-     */
-    public boolean contains(PointF point) {
-        return mRect.contains(point.x, point.y);
-    }
-
-    /**
-     * Draw menu item according to the given model view projection matrix.
-     */
-    public void draw(float[] combinedMatrix, boolean selected) {
-        GLES20.glUseProgram(mProgramHandle);
-
-        // Pass in model view project matrix.
-        GLES20.glUniformMatrix4fv(mCombinedMatrixHandle, 1, false, combinedMatrix, 0);
-
-        // Pass in whether the item is selected
-        GLES20.glVertexAttrib1f(mItemSelectedHandle, selected ? 1.0f : 0.0f);
-
-        // Pass in model position.
-        GLES20.glVertexAttribPointer(mPositionHandle, POSITION_COORDINATE_DATA_SIZE,
-                GLES20.GL_FLOAT, false, 0, mPositionCoordinates);
-        GLES20.glEnableVertexAttribArray(mPositionHandle);
-
-        // Pass in texture coordinate.
-        GLES20.glVertexAttribPointer(mTextureCoordinateHandle, TEXTURE_COORDINATE_DATA_SIZE,
-                GLES20.GL_FLOAT, false, 0, TEXTURE_COORDINATES);
-        GLES20.glEnableVertexAttribArray(mTextureCoordinateHandle);
-
-        // Enable the transparent background.
-        GLES20.glEnable(GLES20.GL_BLEND);
-        GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
-
-        GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
-        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureDataHandle);
-        GLES20.glUniform1i(mTextureUniformHandle, 0);
-
-        GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, VERTICES_NUMBER);
-
-        GLES20.glDisable(GLES20.GL_BLEND);
-        GLES20.glDisableVertexAttribArray(mPositionHandle);
-        GLES20.glDisableVertexAttribArray(mTextureCoordinateHandle);
-    }
-
-    /*
-     * Clean menu item related opengl data.
-     */
-    public void clean() {
-        GLES20.glDeleteShader(mVertexShaderHandle);
-        GLES20.glDeleteShader(mFragmentShaderHandle);
-        GLES20.glDeleteTextures(1, new int[]{mTextureDataHandle}, 0);
-    }
-}