diff options
Diffstat (limited to 'src/com/android/camera/OnScreenIndicators.java')
| -rw-r--r-- | src/com/android/camera/OnScreenIndicators.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/com/android/camera/OnScreenIndicators.java b/src/com/android/camera/OnScreenIndicators.java new file mode 100644 index 000000000..77c8fafc0 --- /dev/null +++ b/src/com/android/camera/OnScreenIndicators.java @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.camera; + +import android.content.Context; +import android.content.res.TypedArray; +import android.hardware.Camera; +import android.hardware.Camera.Parameters; +import android.view.View; +import android.widget.ImageView; + +import com.android.gallery3d.R; + +/** + * The on-screen indicators of the pie menu button. They show the camera + * settings in the viewfinder. + */ +public class OnScreenIndicators { + private final int[] mWBArray; + private final View mOnScreenIndicators; + private final ImageView mExposureIndicator; + private final ImageView mFlashIndicator; + private final ImageView mSceneIndicator; + private final ImageView mLocationIndicator; + private final ImageView mTimerIndicator; + private final ImageView mWBIndicator; + + public OnScreenIndicators(Context ctx, View onScreenIndicatorsView) { + TypedArray iconIds = ctx.getResources().obtainTypedArray( + R.array.camera_wb_indicators); + final int n = iconIds.length(); + mWBArray = new int[n]; + for (int i = 0; i < n; i++) { + mWBArray[i] = iconIds.getResourceId(i, R.drawable.ic_indicator_wb_off); + } + mOnScreenIndicators = onScreenIndicatorsView; + mExposureIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_exposure_indicator); + mFlashIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_flash_indicator); + mSceneIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_scenemode_indicator); + mLocationIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_location_indicator); + mTimerIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_timer_indicator); + mWBIndicator = (ImageView) onScreenIndicatorsView.findViewById( + R.id.menu_wb_indicator); + } + + /** + * Resets all indicators to show the default values. + */ + public void resetToDefault() { + updateExposureOnScreenIndicator(0); + updateFlashOnScreenIndicator(Parameters.FLASH_MODE_OFF); + updateSceneOnScreenIndicator(Parameters.SCENE_MODE_AUTO); + updateWBIndicator(2); + updateTimerIndicator(false); + updateLocationIndicator(false); + } + + /** + * Sets the exposure indicator using exposure compensations step rounding. + */ + public void updateExposureOnScreenIndicator(Camera.Parameters params, int value) { + if (mExposureIndicator == null) { + return; + } + float step = params.getExposureCompensationStep(); + value = Math.round(value * step); + updateExposureOnScreenIndicator(value); + } + + /** + * Set the exposure indicator to the given value. + * + * @param value Value between -3 and 3. If outside this range, 0 is used by + * default. + */ + public void updateExposureOnScreenIndicator(int value) { + int id = 0; + switch(value) { + case -3: + id = R.drawable.ic_indicator_ev_n3; + break; + case -2: + id = R.drawable.ic_indicator_ev_n2; + break; + case -1: + id = R.drawable.ic_indicator_ev_n1; + break; + case 0: + id = R.drawable.ic_indicator_ev_0; + break; + case 1: + id = R.drawable.ic_indicator_ev_p1; + break; + case 2: + id = R.drawable.ic_indicator_ev_p2; + break; + case 3: + id = R.drawable.ic_indicator_ev_p3; + break; + } + mExposureIndicator.setImageResource(id); + } + + public void updateWBIndicator(int wbIndex) { + if (mWBIndicator == null) return; + mWBIndicator.setImageResource(mWBArray[wbIndex]); + } + + public void updateTimerIndicator(boolean on) { + if (mTimerIndicator == null) return; + mTimerIndicator.setImageResource(on ? R.drawable.ic_indicator_timer_on + : R.drawable.ic_indicator_timer_off); + } + + public void updateLocationIndicator(boolean on) { + if (mLocationIndicator == null) return; + mLocationIndicator.setImageResource(on ? R.drawable.ic_indicator_loc_on + : R.drawable.ic_indicator_loc_off); + } + + /** + * Set the flash indicator to the given value. + * + * @param value One of Parameters.FLASH_MODE_OFF, + * Parameters.FLASH_MODE_AUTO, Parameters.FLASH_MODE_ON. + */ + public void updateFlashOnScreenIndicator(String value) { + if (mFlashIndicator == null) { + return; + } + if (value == null || Parameters.FLASH_MODE_OFF.equals(value)) { + mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_off); + } else { + if (Parameters.FLASH_MODE_AUTO.equals(value)) { + mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_auto); + } else if (Parameters.FLASH_MODE_ON.equals(value) + || Parameters.FLASH_MODE_TORCH.equals(value)) { + mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_on); + } else { + mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_off); + } + } + } + + /** + * Set the scene indicator depending on the given scene mode. + * + * @param value the current Parameters.SCENE_MODE_* value. + */ + public void updateSceneOnScreenIndicator(String value) { + if (mSceneIndicator == null) { + return; + } + if ((value == null) || Parameters.SCENE_MODE_AUTO.equals(value)) { + mSceneIndicator.setImageResource(R.drawable.ic_indicator_sce_off); + } else if (Parameters.SCENE_MODE_HDR.equals(value)) { + mSceneIndicator.setImageResource(R.drawable.ic_indicator_sce_hdr); + } else { + mSceneIndicator.setImageResource(R.drawable.ic_indicator_sce_on); + } + } + + /** + * Sets the visibility of all indicators. + * + * @param visibility View.VISIBLE, View.GONE etc. + */ + public void setVisibility(int visibility) { + mOnScreenIndicators.setVisibility(visibility); + } +} |